diff options
Diffstat (limited to 'arch/mips/kernel')
37 files changed, 1999 insertions, 2098 deletions
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile index 210c2802cf4d..89b07ea8d249 100644 --- a/arch/mips/kernel/Makefile +++ b/arch/mips/kernel/Makefile @@ -42,9 +42,8 @@ sw-$(CONFIG_CPU_TX39XX) := r2300_switch.o sw-$(CONFIG_CPU_CAVIUM_OCTEON) := octeon_switch.o obj-y += $(sw-y) +obj-$(CONFIG_CPU_R2300_FPU) += r2300_fpu.o obj-$(CONFIG_CPU_R4K_FPU) += r4k_fpu.o -obj-$(CONFIG_CPU_R3000) += r2300_fpu.o -obj-$(CONFIG_CPU_TX39XX) += r2300_fpu.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_SMP_UP) += smp-up.o @@ -72,7 +71,7 @@ obj-$(CONFIG_IRQ_GT641XX) += irq-gt641xx.o obj-$(CONFIG_KPROBES) += kprobes.o obj-$(CONFIG_32BIT) += scall32-o32.o -obj-$(CONFIG_64BIT) += scall64-64.o +obj-$(CONFIG_64BIT) += scall64-n64.o obj-$(CONFIG_MIPS32_COMPAT) += linux32.o ptrace32.o signal32.o obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o signal_o32.o diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index cbe4742d2fff..aebfda81120a 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -123,7 +123,6 @@ void output_thread_defines(void) OFFSET(THREAD_REG31, task_struct, thread.reg31); OFFSET(THREAD_STATUS, task_struct, thread.cp0_status); - OFFSET(THREAD_FPU, task_struct, thread.fpu); OFFSET(THREAD_BVADDR, task_struct, \ thread.cp0_badvaddr); @@ -135,8 +134,11 @@ void output_thread_defines(void) BLANK(); } +#ifdef CONFIG_MIPS_FP_SUPPORT void output_thread_fpu_defines(void) { + OFFSET(THREAD_FPU, task_struct, thread.fpu); + OFFSET(THREAD_FPR0, task_struct, thread.fpu.fpr[0]); OFFSET(THREAD_FPR1, task_struct, thread.fpu.fpr[1]); OFFSET(THREAD_FPR2, task_struct, thread.fpu.fpr[2]); @@ -174,6 +176,7 @@ void output_thread_fpu_defines(void) OFFSET(THREAD_MSA_CSR, task_struct, thread.fpu.msacsr); BLANK(); } +#endif void output_mm_defines(void) { @@ -341,6 +344,7 @@ void output_pm_defines(void) } #endif +#ifdef CONFIG_MIPS_FP_SUPPORT void output_kvm_defines(void) { COMMENT(" KVM/MIPS Specific offsets. "); @@ -382,6 +386,7 @@ void output_kvm_defines(void) OFFSET(VCPU_MSA_CSR, kvm_vcpu_arch, fpu.msacsr); BLANK(); } +#endif #ifdef CONFIG_MIPS_CPS void output_cps_defines(void) diff --git a/arch/mips/kernel/bmips_5xxx_init.S b/arch/mips/kernel/bmips_5xxx_init.S index adaa82e00f2b..9e422d186a17 100644 --- a/arch/mips/kernel/bmips_5xxx_init.S +++ b/arch/mips/kernel/bmips_5xxx_init.S @@ -632,12 +632,6 @@ core_init: bal set_zephyr nop -#if ENABLE_FPU==1 - /* initialize the Floating point unit (both TPs) */ - bal init_fpu - nop -#endif - /* set low latency memory bus */ li a0, 1 bal set_llmb diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index e48f6c0a9e4a..180ad081afcf 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -58,9 +58,6 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, unsigned long *contpc) { union mips_instruction insn = (union mips_instruction)dec_insn.insn; - int bc_false = 0; - unsigned int fcr31; - unsigned int bit; if (!cpu_has_mmips) return 0; @@ -139,8 +136,13 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, dec_insn.pc_inc + dec_insn.next_pc_inc; return 1; +#ifdef CONFIG_MIPS_FP_SUPPORT case mm_bc2f_op: - case mm_bc1f_op: + case mm_bc1f_op: { + int bc_false = 0; + unsigned int fcr31; + unsigned int bit; + bc_false = 1; /* Fall through */ case mm_bc2t_op: @@ -167,6 +169,8 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, dec_insn.pc_inc + dec_insn.next_pc_inc; return 1; } +#endif /* CONFIG_MIPS_FP_SUPPORT */ + } break; case mm_pool16c_op: switch (insn.mm_i_format.rt) { @@ -416,8 +420,8 @@ int __MIPS16e_compute_return_epc(struct pt_regs *regs) int __compute_return_epc_for_insn(struct pt_regs *regs, union mips_instruction insn) { - unsigned int bit, fcr31, dspcontrol, reg; long epc = regs->cp0_epc; + unsigned int dspcontrol; int ret = 0; switch (insn.i_format.opcode) { @@ -447,6 +451,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case bltzl_op: if (NO_R6EMU) goto sigill_r2r6; + /* fall through */ case bltz_op: if ((long)regs->regs[insn.i_format.rs] < 0) { epc = epc + 4 + (insn.i_format.simmediate << 2); @@ -460,6 +465,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case bgezl_op: if (NO_R6EMU) goto sigill_r2r6; + /* fall through */ case bgez_op: if ((long)regs->regs[insn.i_format.rs] >= 0) { epc = epc + 4 + (insn.i_format.simmediate << 2); @@ -555,6 +561,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case jalx_op: case jal_op: regs->regs[31] = regs->cp0_epc + 8; + /* fall through */ case j_op: epc += 4; epc >>= 28; @@ -571,6 +578,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case beql_op: if (NO_R6EMU) goto sigill_r2r6; + /* fall through */ case beq_op: if (regs->regs[insn.i_format.rs] == regs->regs[insn.i_format.rt]) { @@ -585,6 +593,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case bnel_op: if (NO_R6EMU) goto sigill_r2r6; + /* fall through */ case bne_op: if (regs->regs[insn.i_format.rs] != regs->regs[insn.i_format.rt]) { @@ -599,6 +608,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case blezl_op: /* not really i_format */ if (!insn.i_format.rt && NO_R6EMU) goto sigill_r2r6; + /* fall through */ case blez_op: /* * Compact branches for R6 for the @@ -634,6 +644,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, case bgtzl_op: if (!insn.i_format.rt && NO_R6EMU) goto sigill_r2r6; + /* fall through */ case bgtz_op: /* * Compact branches for R6 for the @@ -667,23 +678,18 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, regs->cp0_epc = epc; break; +#ifdef CONFIG_MIPS_FP_SUPPORT /* * And now the FPA/cp1 branch instructions. */ - case cop1_op: + case cop1_op: { + unsigned int bit, fcr31, reg; + if (cpu_has_mips_r6 && ((insn.i_format.rs == bc1eqz_op) || (insn.i_format.rs == bc1nez_op))) { - if (!used_math()) { /* First time FPU user */ - ret = init_fpu(); - if (ret && NO_R6EMU) { - ret = -ret; - break; - } - ret = 0; - set_used_math(); - } - lose_fpu(1); /* Save FPU state for the emulator. */ + if (!init_fp_ctx(current)) + lose_fpu(1); reg = insn.i_format.rt; bit = get_fpr32(¤t->thread.fpu.fpr[reg], 0) & 0x1; if (insn.i_format.rs == bc1eqz_op) @@ -736,6 +742,9 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, } break; } + } +#endif /* CONFIG_MIPS_FP_SUPPORT */ + #ifdef CONFIG_CPU_CAVIUM_OCTEON case lwc2_op: /* This is bbit0 on Octeon */ if ((regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt)) diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c index c9e8622b5a16..bada74af7641 100644 --- a/arch/mips/kernel/cpu-bugs64.c +++ b/arch/mips/kernel/cpu-bugs64.c @@ -39,7 +39,7 @@ static inline void align_mod(const int align, const int mod) ".endr\n\t" ".set pop" : - : GCC_IMM_ASM() (align), GCC_IMM_ASM() (mod)); + : "n"(align), "n"(mod)); } static inline void mult_sh_align_mod(long *v1, long *v2, long *w, @@ -92,7 +92,7 @@ static inline void mult_sh_align_mod(long *v1, long *v2, long *w, ".set pop" : "=&r" (lv1), "=r" (lw) : "r" (m1), "r" (m2), "r" (s), "I" (0) - : "hi", "lo", GCC_REG_ACCUM); + : "hi", "lo", "$0"); /* We have to use single integers for m1 and m2 and a double * one for p to be sure the mulsidi3 gcc's RTL multiplication * instruction has the workaround applied. Older versions of diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index d535fc706a8b..95b18a194f53 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -36,6 +36,8 @@ unsigned int elf_hwcap __read_mostly; EXPORT_SYMBOL_GPL(elf_hwcap); +#ifdef CONFIG_MIPS_FP_SUPPORT + /* * Get the FPU Implementation/Revision. */ @@ -58,19 +60,6 @@ static inline int __cpu_has_fpu(void) return (cpu_get_fpu_id() & FPIR_IMP_MASK) != FPIR_IMP_NONE; } -static inline unsigned long cpu_get_msa_id(void) -{ - unsigned long status, msa_id; - - status = read_c0_status(); - __enable_fpu(FPU_64BIT); - enable_msa(); - msa_id = read_msa_ir(); - disable_msa(); - write_c0_status(status); - return msa_id; -} - /* * Determine the FCSR mask for FPU hardware. */ @@ -326,6 +315,45 @@ static int __init fpu_disable(char *s) __setup("nofpu", fpu_disable); +#else /* !CONFIG_MIPS_FP_SUPPORT */ + +#define mips_fpu_disabled 1 + +static inline unsigned long cpu_get_fpu_id(void) +{ + return FPIR_IMP_NONE; +} + +static inline int __cpu_has_fpu(void) +{ + return 0; +} + +static void cpu_set_fpu_opts(struct cpuinfo_mips *c) +{ + /* no-op */ +} + +static void cpu_set_nofpu_opts(struct cpuinfo_mips *c) +{ + /* no-op */ +} + +#endif /* CONFIG_MIPS_FP_SUPPORT */ + +static inline unsigned long cpu_get_msa_id(void) +{ + unsigned long status, msa_id; + + status = read_c0_status(); + __enable_fpu(FPU_64BIT); + enable_msa(); + msa_id = read_msa_ir(); + disable_msa(); + write_c0_status(status); + return msa_id; +} + static int mips_dsp_disabled; static int __init dsp_disable(char *s) @@ -489,12 +517,16 @@ static void set_isa(struct cpuinfo_mips *c, unsigned int isa) switch (isa) { case MIPS_CPU_ISA_M64R2: c->isa_level |= MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2; + /* fall through */ case MIPS_CPU_ISA_M64R1: c->isa_level |= MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1; + /* fall through */ case MIPS_CPU_ISA_V: c->isa_level |= MIPS_CPU_ISA_V; + /* fall through */ case MIPS_CPU_ISA_IV: c->isa_level |= MIPS_CPU_ISA_IV; + /* fall through */ case MIPS_CPU_ISA_III: c->isa_level |= MIPS_CPU_ISA_II | MIPS_CPU_ISA_III; break; @@ -502,14 +534,17 @@ static void set_isa(struct cpuinfo_mips *c, unsigned int isa) /* R6 incompatible with everything else */ case MIPS_CPU_ISA_M64R6: c->isa_level |= MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6; + /* fall through */ case MIPS_CPU_ISA_M32R6: c->isa_level |= MIPS_CPU_ISA_M32R6; /* Break here so we don't add incompatible ISAs */ break; case MIPS_CPU_ISA_M32R2: c->isa_level |= MIPS_CPU_ISA_M32R2; + /* fall through */ case MIPS_CPU_ISA_M32R1: c->isa_level |= MIPS_CPU_ISA_M32R1; + /* fall through */ case MIPS_CPU_ISA_II: c->isa_level |= MIPS_CPU_ISA_II; break; @@ -1843,7 +1878,8 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) switch (c->processor_id & PRID_IMP_MASK) { case PRID_IMP_LOONGSON_64: /* Loongson-2/3 */ switch (c->processor_id & PRID_REV_MASK) { - case PRID_REV_LOONGSON3A_R2: + case PRID_REV_LOONGSON3A_R2_0: + case PRID_REV_LOONGSON3A_R2_1: c->cputype = CPU_LOONGSON3; __cpu_name[cpu] = "ICT Loongson-3"; set_elf_platform(cpu, "loongson3a"); diff --git a/arch/mips/kernel/elf.c b/arch/mips/kernel/elf.c index 731325a61a78..72056d54a2b8 100644 --- a/arch/mips/kernel/elf.c +++ b/arch/mips/kernel/elf.c @@ -16,6 +16,8 @@ #include <asm/cpu-features.h> #include <asm/cpu-info.h> +#ifdef CONFIG_MIPS_FP_SUPPORT + /* Whether to accept legacy-NaN and 2008-NaN user binaries. */ bool mips_use_nan_legacy; bool mips_use_nan_2008; @@ -326,6 +328,8 @@ void mips_set_personality_nan(struct arch_elf_state *state) } } +#endif /* CONFIG_MIPS_FP_SUPPORT */ + int mips_elf_read_implies_exec(void *elf_ex, int exstack) { if (exstack != EXSTACK_DISABLE_X) { diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index b122cbb4aad1..2ea0ec95efe9 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -400,13 +400,13 @@ unsigned long __init arch_syscall_addr(int nr) unsigned long __init arch_syscall_addr(int nr) { #ifdef CONFIG_MIPS32_N32 - if (nr >= __NR_N32_Linux && nr <= __NR_N32_Linux + __NR_N32_Linux_syscalls) + if (nr >= __NR_N32_Linux && nr < __NR_N32_Linux + __NR_N32_Linux_syscalls) return (unsigned long)sysn32_call_table[nr - __NR_N32_Linux]; #endif - if (nr >= __NR_64_Linux && nr <= __NR_64_Linux + __NR_64_Linux_syscalls) + if (nr >= __NR_64_Linux && nr < __NR_64_Linux + __NR_64_Linux_syscalls) return (unsigned long)sys_call_table[nr - __NR_64_Linux]; #ifdef CONFIG_MIPS32_O32 - if (nr >= __NR_O32_Linux && nr <= __NR_O32_Linux + __NR_O32_Linux_syscalls) + if (nr >= __NR_O32_Linux && nr < __NR_O32_Linux + __NR_O32_Linux_syscalls) return (unsigned long)sys32_call_table[nr - __NR_O32_Linux]; #endif diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 6c257b52f57f..398b905b027d 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -553,7 +553,9 @@ NESTED(nmi_handler, PT_SIZE, sp) BUILD_HANDLER ov ov sti silent /* #12 */ BUILD_HANDLER tr tr sti silent /* #13 */ BUILD_HANDLER msa_fpe msa_fpe msa_fpe silent /* #14 */ +#ifdef CONFIG_MIPS_FP_SUPPORT BUILD_HANDLER fpe fpe fpe silent /* #15 */ +#endif BUILD_HANDLER ftlb ftlb none silent /* #16 */ BUILD_HANDLER msa msa sti silent /* #21 */ BUILD_HANDLER mdmx mdmx sti silent /* #22 */ @@ -650,9 +652,10 @@ isrdhwr: ori k1, _THREAD_MASK xori k1, _THREAD_MASK LONG_L v1, TI_TP_VALUE(k1) + .set push .set arch=r4000 eret - .set mips0 + .set pop #endif .set pop END(handle_ri_rdhwr) diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c index 046846999efd..695f55477503 100644 --- a/arch/mips/kernel/idle.c +++ b/arch/mips/kernel/idle.c @@ -101,7 +101,8 @@ static void __cpuidle au1k_wait(void) unsigned long c0status = read_c0_status() | 1; /* irqs on */ __asm__( - " .set arch=r4000 \n" + " .set push \n" + " .set arch=r4000 \n" " cache 0x14, 0(%0) \n" " cache 0x14, 32(%0) \n" " sync \n" @@ -111,7 +112,7 @@ static void __cpuidle au1k_wait(void) " nop \n" " nop \n" " nop \n" - " .set mips0 \n" + " .set pop \n" : : "r" (au1k_wait), "r" (c0status)); } @@ -183,7 +184,7 @@ void __init check_wait(void) cpu_wait = r4k_wait; break; case CPU_LOONGSON3: - if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON3A_R2) + if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON3A_R2_0) cpu_wait = r4k_wait; break; diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index eb6c0d582626..149100e1bc7c 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -207,7 +207,7 @@ void arch_kgdb_breakpoint(void) ".set\treorder"); } -static void kgdb_call_nmi_hook(void *ignored) +void kgdb_call_nmi_hook(void *ignored) { mm_segment_t old_fs; @@ -219,13 +219,6 @@ static void kgdb_call_nmi_hook(void *ignored) set_fs(old_fs); } -void kgdb_roundup_cpus(unsigned long flags) -{ - local_irq_enable(); - smp_call_function(kgdb_call_nmi_hook, NULL, 0); - local_irq_disable(); -} - static int compute_signal(int tt) { struct hard_trap_info *ht; @@ -394,18 +387,16 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code, return -1; } -struct kgdb_arch arch_kgdb_ops; +const struct kgdb_arch arch_kgdb_ops = { +#ifdef CONFIG_CPU_BIG_ENDIAN + .gdb_bpt_instr = { spec_op << 2, 0x00, 0x00, break_op }, +#else + .gdb_bpt_instr = { break_op, 0x00, 0x00, spec_op << 2 }, +#endif +}; int kgdb_arch_init(void) { - union mips_instruction insn = { - .r_format = { - .opcode = spec_op, - .func = break_op, - } - }; - memcpy(arch_kgdb_ops.gdb_bpt_instr, insn.byte, BREAK_INSTR_SIZE); - register_die_notifier(&kgdb_notifier); return 0; diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c index 9f85b98d24ac..d5f7362e8c24 100644 --- a/arch/mips/kernel/mips-mt.c +++ b/arch/mips/kernel/mips-mt.c @@ -119,19 +119,11 @@ void mips_mt_regdump(unsigned long mvpctl) local_irq_restore(flags); } -static int mt_opt_norps; static int mt_opt_rpsctl = -1; static int mt_opt_nblsu = -1; static int mt_opt_forceconfig7; static int mt_opt_config7 = -1; -static int __init rps_disable(char *s) -{ - mt_opt_norps = 1; - return 1; -} -__setup("norps", rps_disable); - static int __init rpsctl_set(char *str) { get_option(&str, &mt_opt_rpsctl); @@ -169,9 +161,6 @@ void mips_mt_set_cpuoptions(void) unsigned int oconfig7 = read_c0_config7(); unsigned int nconfig7 = oconfig7; - if (mt_opt_norps) { - printk("\"norps\" option deprecated: use \"rpsctl=\"\n"); - } if (mt_opt_rpsctl >= 0) { printk("34K return prediction stack override set to %d.\n", mt_opt_rpsctl); diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index eb18b186e858..cb22a558431e 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -1174,13 +1174,6 @@ repeat: fpu_emul: regs->regs[31] = r31; regs->cp0_epc = epc; - if (!used_math()) { /* First time FPU user. */ - preempt_disable(); - err = init_fpu(); - preempt_enable(); - set_used_math(); - } - lose_fpu(1); /* Save FPU state for the emulator. */ err = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 0, &fault_addr); @@ -2242,7 +2235,7 @@ fpu_emul: #ifdef CONFIG_DEBUG_FS -static int mipsr2_stats_show(struct seq_file *s, void *unused) +static int mipsr2_emul_show(struct seq_file *s, void *unused) { seq_printf(s, "Instruction\tTotal\tBDslot\n------------------------------\n"); @@ -2308,9 +2301,9 @@ static int mipsr2_stats_show(struct seq_file *s, void *unused) return 0; } -static int mipsr2_stats_clear_show(struct seq_file *s, void *unused) +static int mipsr2_clear_show(struct seq_file *s, void *unused) { - mipsr2_stats_show(s, unused); + mipsr2_emul_show(s, unused); __this_cpu_write((mipsr2emustats).movs, 0); __this_cpu_write((mipsr2bdemustats).movs, 0); @@ -2353,30 +2346,8 @@ static int mipsr2_stats_clear_show(struct seq_file *s, void *unused) return 0; } -static int mipsr2_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, mipsr2_stats_show, inode->i_private); -} - -static int mipsr2_stats_clear_open(struct inode *inode, struct file *file) -{ - return single_open(file, mipsr2_stats_clear_show, inode->i_private); -} - -static const struct file_operations mipsr2_emul_fops = { - .open = mipsr2_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations mipsr2_clear_fops = { - .open = mipsr2_stats_clear_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - +DEFINE_SHOW_ATTRIBUTE(mipsr2_emul); +DEFINE_SHOW_ATTRIBUTE(mipsr2_clear); static int __init mipsr2_init_debugfs(void) { diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index d4f7fd4550e1..6829a064aac8 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -737,10 +737,9 @@ static long prepare_for_fp_mode_switch(void *unused) /* * This is icky, but we use this to simply ensure that all CPUs have * context switched, regardless of whether they were previously running - * kernel or user code. This ensures that no CPU currently has its FPU - * enabled, or is about to attempt to enable it through any path other - * than enable_restore_fp_context() which will wait appropriately for - * fp_mode_switching to be zero. + * kernel or user code. This ensures that no CPU that a mode-switching + * program may execute on keeps its FPU enabled (& in the old mode) + * throughout the mode switch. */ return 0; } @@ -829,8 +828,6 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) work_on_cpu(cpu, prepare_for_fp_mode_switch, NULL); put_online_cpus(); - wake_up_var(&task->mm->context.fp_mode_switching); - return 0; } diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index e5ba56c01ee0..ea54575255ea 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -50,25 +50,6 @@ #define CREATE_TRACE_POINTS #include <trace/events/syscalls.h> -static void init_fp_ctx(struct task_struct *target) -{ - /* If FP has been used then the target already has context */ - if (tsk_used_math(target)) - return; - - /* Begin with data registers set to all 1s... */ - memset(&target->thread.fpu.fpr, ~0, sizeof(target->thread.fpu.fpr)); - - /* FCSR has been preset by `mips_set_personality_nan'. */ - - /* - * Record that the target has "used" math, such that the context - * just initialised, and any modifications made by the caller, - * aren't discarded. - */ - set_stopped_child_used_math(target); -} - /* * Called by kernel/ptrace.c when detaching.. * @@ -81,21 +62,6 @@ void ptrace_disable(struct task_struct *child) } /* - * Poke at FCSR according to its mask. Set the Cause bits even - * if a corresponding Enable bit is set. This will be noticed at - * the time the thread is switched to and SIGFPE thrown accordingly. - */ -static void ptrace_setfcr31(struct task_struct *child, u32 value) -{ - u32 fcr31; - u32 mask; - - fcr31 = child->thread.fpu.fcr31; - mask = boot_cpu_data.fpu_msk31; - child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask); -} - -/* * Read a general register set. We always use the 64-bit format, even * for 32-bit kernels and for 32-bit processes on a 64-bit kernel. * Registers are sign extended to fill the available space. @@ -151,55 +117,6 @@ int ptrace_setregs(struct task_struct *child, struct user_pt_regs __user *data) return 0; } -int ptrace_getfpregs(struct task_struct *child, __u32 __user *data) -{ - int i; - - if (!access_ok(VERIFY_WRITE, data, 33 * 8)) - return -EIO; - - if (tsk_used_math(child)) { - union fpureg *fregs = get_fpu_regs(child); - for (i = 0; i < 32; i++) - __put_user(get_fpr64(&fregs[i], 0), - i + (__u64 __user *)data); - } else { - for (i = 0; i < 32; i++) - __put_user((__u64) -1, i + (__u64 __user *) data); - } - - __put_user(child->thread.fpu.fcr31, data + 64); - __put_user(boot_cpu_data.fpu_id, data + 65); - - return 0; -} - -int ptrace_setfpregs(struct task_struct *child, __u32 __user *data) -{ - union fpureg *fregs; - u64 fpr_val; - u32 value; - int i; - - if (!access_ok(VERIFY_READ, data, 33 * 8)) - return -EIO; - - init_fp_ctx(child); - fregs = get_fpu_regs(child); - - for (i = 0; i < 32; i++) { - __get_user(fpr_val, i + (__u64 __user *)data); - set_fpr64(&fregs[i], 0, fpr_val); - } - - __get_user(value, data + 64); - ptrace_setfcr31(child, value); - - /* FIR may not be written. */ - - return 0; -} - int ptrace_get_watch_regs(struct task_struct *child, struct pt_watch_regs __user *addr) { @@ -420,6 +337,73 @@ static int gpr64_set(struct task_struct *target, #endif /* CONFIG_64BIT */ + +#ifdef CONFIG_MIPS_FP_SUPPORT + +/* + * Poke at FCSR according to its mask. Set the Cause bits even + * if a corresponding Enable bit is set. This will be noticed at + * the time the thread is switched to and SIGFPE thrown accordingly. + */ +static void ptrace_setfcr31(struct task_struct *child, u32 value) +{ + u32 fcr31; + u32 mask; + + fcr31 = child->thread.fpu.fcr31; + mask = boot_cpu_data.fpu_msk31; + child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask); +} + +int ptrace_getfpregs(struct task_struct *child, __u32 __user *data) +{ + int i; + + if (!access_ok(VERIFY_WRITE, data, 33 * 8)) + return -EIO; + + if (tsk_used_math(child)) { + union fpureg *fregs = get_fpu_regs(child); + for (i = 0; i < 32; i++) + __put_user(get_fpr64(&fregs[i], 0), + i + (__u64 __user *)data); + } else { + for (i = 0; i < 32; i++) + __put_user((__u64) -1, i + (__u64 __user *) data); + } + + __put_user(child->thread.fpu.fcr31, data + 64); + __put_user(boot_cpu_data.fpu_id, data + 65); + + return 0; +} + +int ptrace_setfpregs(struct task_struct *child, __u32 __user *data) +{ + union fpureg *fregs; + u64 fpr_val; + u32 value; + int i; + + if (!access_ok(VERIFY_READ, data, 33 * 8)) + return -EIO; + + init_fp_ctx(child); + fregs = get_fpu_regs(child); + + for (i = 0; i < 32; i++) { + __get_user(fpr_val, i + (__u64 __user *)data); + set_fpr64(&fregs[i], 0, fpr_val); + } + + __get_user(value, data + 64); + ptrace_setfcr31(child, value); + + /* FIR may not be written. */ + + return 0; +} + /* * Copy the floating-point context to the supplied NT_PRFPREG buffer, * !CONFIG_CPU_HAS_MSA variant. FP context's general register slots @@ -590,6 +574,178 @@ static int fpr_set(struct task_struct *target, return err; } +/* Copy the FP mode setting to the supplied NT_MIPS_FP_MODE buffer. */ +static int fp_mode_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + int fp_mode; + + fp_mode = mips_get_process_fp_mode(target); + return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &fp_mode, 0, + sizeof(fp_mode)); +} + +/* + * Copy the supplied NT_MIPS_FP_MODE buffer to the FP mode setting. + * + * We optimize for the case where `count % sizeof(int) == 0', which + * is supposed to have been guaranteed by the kernel before calling + * us, e.g. in `ptrace_regset'. We enforce that requirement, so + * that we can safely avoid preinitializing temporaries for partial + * mode writes. + */ +static int fp_mode_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + int fp_mode; + int err; + + BUG_ON(count % sizeof(int)); + + if (pos + count > sizeof(fp_mode)) + return -EIO; + + err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &fp_mode, 0, + sizeof(fp_mode)); + if (err) + return err; + + if (count > 0) + err = mips_set_process_fp_mode(target, fp_mode); + + return err; +} + +#endif /* CONFIG_MIPS_FP_SUPPORT */ + +#ifdef CONFIG_CPU_HAS_MSA + +struct msa_control_regs { + unsigned int fir; + unsigned int fcsr; + unsigned int msair; + unsigned int msacsr; +}; + +static int copy_pad_fprs(struct task_struct *target, + const struct user_regset *regset, + unsigned int *ppos, unsigned int *pcount, + void **pkbuf, void __user **pubuf, + unsigned int live_sz) +{ + int i, j, start, start_pad, err; + unsigned long long fill = ~0ull; + unsigned int cp_sz, pad_sz; + + cp_sz = min(regset->size, live_sz); + pad_sz = regset->size - cp_sz; + WARN_ON(pad_sz % sizeof(fill)); + + i = start = err = 0; + for (; i < NUM_FPU_REGS; i++, start += regset->size) { + err |= user_regset_copyout(ppos, pcount, pkbuf, pubuf, + &target->thread.fpu.fpr[i], + start, start + cp_sz); + + start_pad = start + cp_sz; + for (j = 0; j < (pad_sz / sizeof(fill)); j++) { + err |= user_regset_copyout(ppos, pcount, pkbuf, pubuf, + &fill, start_pad, + start_pad + sizeof(fill)); + start_pad += sizeof(fill); + } + } + + return err; +} + +static int msa_get(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + void *kbuf, void __user *ubuf) +{ + const unsigned int wr_size = NUM_FPU_REGS * regset->size; + const struct msa_control_regs ctrl_regs = { + .fir = boot_cpu_data.fpu_id, + .fcsr = target->thread.fpu.fcr31, + .msair = boot_cpu_data.msa_id, + .msacsr = target->thread.fpu.msacsr, + }; + int err; + + if (!tsk_used_math(target)) { + /* The task hasn't used FP or MSA, fill with 0xff */ + err = copy_pad_fprs(target, regset, &pos, &count, + &kbuf, &ubuf, 0); + } else if (!test_tsk_thread_flag(target, TIF_MSA_CTX_LIVE)) { + /* Copy scalar FP context, fill the rest with 0xff */ + err = copy_pad_fprs(target, regset, &pos, &count, + &kbuf, &ubuf, 8); + } else if (sizeof(target->thread.fpu.fpr[0]) == regset->size) { + /* Trivially copy the vector registers */ + err = user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.fpr, + 0, wr_size); + } else { + /* Copy as much context as possible, fill the rest with 0xff */ + err = copy_pad_fprs(target, regset, &pos, &count, + &kbuf, &ubuf, + sizeof(target->thread.fpu.fpr[0])); + } + + err |= user_regset_copyout(&pos, &count, &kbuf, &ubuf, + &ctrl_regs, wr_size, + wr_size + sizeof(ctrl_regs)); + return err; +} + +static int msa_set(struct task_struct *target, + const struct user_regset *regset, + unsigned int pos, unsigned int count, + const void *kbuf, const void __user *ubuf) +{ + const unsigned int wr_size = NUM_FPU_REGS * regset->size; + struct msa_control_regs ctrl_regs; + unsigned int cp_sz; + int i, err, start; + + init_fp_ctx(target); + + if (sizeof(target->thread.fpu.fpr[0]) == regset->size) { + /* Trivially copy the vector registers */ + err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.fpr, + 0, wr_size); + } else { + /* Copy as much context as possible */ + cp_sz = min_t(unsigned int, regset->size, + sizeof(target->thread.fpu.fpr[0])); + + i = start = err = 0; + for (; i < NUM_FPU_REGS; i++, start += regset->size) { + err |= user_regset_copyin(&pos, &count, &kbuf, &ubuf, + &target->thread.fpu.fpr[i], + start, start + cp_sz); + } + } + + if (!err) + err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ctrl_regs, + wr_size, wr_size + sizeof(ctrl_regs)); + if (!err) { + target->thread.fpu.fcr31 = ctrl_regs.fcsr & ~FPU_CSR_ALL_X; + target->thread.fpu.msacsr = ctrl_regs.msacsr & ~MSA_CSR_CAUSEF; + } + + return err; +} + +#endif /* CONFIG_CPU_HAS_MSA */ + #if defined(CONFIG_32BIT) || defined(CONFIG_MIPS32_O32) /* @@ -759,57 +915,16 @@ static int dsp_active(struct task_struct *target, return cpu_has_dsp ? NUM_DSP_REGS + 1 : -ENODEV; } -/* Copy the FP mode setting to the supplied NT_MIPS_FP_MODE buffer. */ -static int fp_mode_get(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - void *kbuf, void __user *ubuf) -{ - int fp_mode; - - fp_mode = mips_get_process_fp_mode(target); - return user_regset_copyout(&pos, &count, &kbuf, &ubuf, &fp_mode, 0, - sizeof(fp_mode)); -} - -/* - * Copy the supplied NT_MIPS_FP_MODE buffer to the FP mode setting. - * - * We optimize for the case where `count % sizeof(int) == 0', which - * is supposed to have been guaranteed by the kernel before calling - * us, e.g. in `ptrace_regset'. We enforce that requirement, so - * that we can safely avoid preinitializing temporaries for partial - * mode writes. - */ -static int fp_mode_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - int fp_mode; - int err; - - BUG_ON(count % sizeof(int)); - - if (pos + count > sizeof(fp_mode)) - return -EIO; - - err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &fp_mode, 0, - sizeof(fp_mode)); - if (err) - return err; - - if (count > 0) - err = mips_set_process_fp_mode(target, fp_mode); - - return err; -} - enum mips_regset { REGSET_GPR, - REGSET_FPR, REGSET_DSP, +#ifdef CONFIG_MIPS_FP_SUPPORT + REGSET_FPR, REGSET_FP_MODE, +#endif +#ifdef CONFIG_CPU_HAS_MSA + REGSET_MSA, +#endif }; struct pt_regs_offset { @@ -907,14 +1022,6 @@ static const struct user_regset mips_regsets[] = { .get = gpr32_get, .set = gpr32_set, }, - [REGSET_FPR] = { - .core_note_type = NT_PRFPREG, - .n = ELF_NFPREG, - .size = sizeof(elf_fpreg_t), - .align = sizeof(elf_fpreg_t), - .get = fpr_get, - .set = fpr_set, - }, [REGSET_DSP] = { .core_note_type = NT_MIPS_DSP, .n = NUM_DSP_REGS + 1, @@ -924,6 +1031,15 @@ static const struct user_regset mips_regsets[] = { .set = dsp32_set, .active = dsp_active, }, +#ifdef CONFIG_MIPS_FP_SUPPORT + [REGSET_FPR] = { + .core_note_type = NT_PRFPREG, + .n = ELF_NFPREG, + .size = sizeof(elf_fpreg_t), + .align = sizeof(elf_fpreg_t), + .get = fpr_get, + .set = fpr_set, + }, [REGSET_FP_MODE] = { .core_note_type = NT_MIPS_FP_MODE, .n = 1, @@ -932,6 +1048,17 @@ static const struct user_regset mips_regsets[] = { .get = fp_mode_get, .set = fp_mode_set, }, +#endif +#ifdef CONFIG_CPU_HAS_MSA + [REGSET_MSA] = { + .core_note_type = NT_MIPS_MSA, + .n = NUM_FPU_REGS + 1, + .size = 16, + .align = 16, + .get = msa_get, + .set = msa_set, + }, +#endif }; static const struct user_regset_view user_mips_view = { @@ -955,14 +1082,6 @@ static const struct user_regset mips64_regsets[] = { .get = gpr64_get, .set = gpr64_set, }, - [REGSET_FPR] = { - .core_note_type = NT_PRFPREG, - .n = ELF_NFPREG, - .size = sizeof(elf_fpreg_t), - .align = sizeof(elf_fpreg_t), - .get = fpr_get, - .set = fpr_set, - }, [REGSET_DSP] = { .core_note_type = NT_MIPS_DSP, .n = NUM_DSP_REGS + 1, @@ -972,6 +1091,7 @@ static const struct user_regset mips64_regsets[] = { .set = dsp64_set, .active = dsp_active, }, +#ifdef CONFIG_MIPS_FP_SUPPORT [REGSET_FP_MODE] = { .core_note_type = NT_MIPS_FP_MODE, .n = 1, @@ -980,6 +1100,25 @@ static const struct user_regset mips64_regsets[] = { .get = fp_mode_get, .set = fp_mode_set, }, + [REGSET_FPR] = { + .core_note_type = NT_PRFPREG, + .n = ELF_NFPREG, + .size = sizeof(elf_fpreg_t), + .align = sizeof(elf_fpreg_t), + .get = fpr_get, + .set = fpr_set, + }, +#endif +#ifdef CONFIG_CPU_HAS_MSA + [REGSET_MSA] = { + .core_note_type = NT_MIPS_MSA, + .n = NUM_FPU_REGS + 1, + .size = 16, + .align = 16, + .get = msa_get, + .set = msa_set, + }, +#endif }; static const struct user_regset_view user_mips64_view = { @@ -1040,7 +1179,6 @@ long arch_ptrace(struct task_struct *child, long request, /* Read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { struct pt_regs *regs; - union fpureg *fregs; unsigned long tmp = 0; regs = task_pt_regs(child); @@ -1050,7 +1188,10 @@ long arch_ptrace(struct task_struct *child, long request, case 0 ... 31: tmp = regs->regs[addr]; break; - case FPR_BASE ... FPR_BASE + 31: +#ifdef CONFIG_MIPS_FP_SUPPORT + case FPR_BASE ... FPR_BASE + 31: { + union fpureg *fregs; + if (!tsk_used_math(child)) { /* FP not yet used */ tmp = -1; @@ -1072,6 +1213,15 @@ long arch_ptrace(struct task_struct *child, long request, #endif tmp = get_fpr64(&fregs[addr - FPR_BASE], 0); break; + } + case FPC_CSR: + tmp = child->thread.fpu.fcr31; + break; + case FPC_EIR: + /* implementation / version register */ + tmp = boot_cpu_data.fpu_id; + break; +#endif case PC: tmp = regs->cp0_epc; break; @@ -1092,13 +1242,6 @@ long arch_ptrace(struct task_struct *child, long request, tmp = regs->acx; break; #endif - case FPC_CSR: - tmp = child->thread.fpu.fcr31; - break; - case FPC_EIR: - /* implementation / version register */ - tmp = boot_cpu_data.fpu_id; - break; case DSP_BASE ... DSP_BASE + 5: { dspreg_t *dregs; @@ -1149,6 +1292,7 @@ long arch_ptrace(struct task_struct *child, long request, mips_syscall_is_indirect(child, regs)) mips_syscall_update_nr(child, regs); break; +#ifdef CONFIG_MIPS_FP_SUPPORT case FPR_BASE ... FPR_BASE + 31: { union fpureg *fregs = get_fpu_regs(child); @@ -1168,6 +1312,11 @@ long arch_ptrace(struct task_struct *child, long request, set_fpr64(&fregs[addr - FPR_BASE], 0, data); break; } + case FPC_CSR: + init_fp_ctx(child); + ptrace_setfcr31(child, data); + break; +#endif case PC: regs->cp0_epc = data; break; @@ -1182,10 +1331,6 @@ long arch_ptrace(struct task_struct *child, long request, regs->acx = data; break; #endif - case FPC_CSR: - init_fp_ctx(child); - ptrace_setfcr31(child, data); - break; case DSP_BASE ... DSP_BASE + 5: { dspreg_t *dregs; @@ -1221,6 +1366,7 @@ long arch_ptrace(struct task_struct *child, long request, ret = ptrace_setregs(child, datavp); break; +#ifdef CONFIG_MIPS_FP_SUPPORT case PTRACE_GETFPREGS: ret = ptrace_getfpregs(child, datavp); break; @@ -1228,7 +1374,7 @@ long arch_ptrace(struct task_struct *child, long request, case PTRACE_SETFPREGS: ret = ptrace_setfpregs(child, datavp); break; - +#endif case PTRACE_GET_THREAD_AREA: ret = put_user(task_thread_info(child)->tp_value, datalp); break; diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index bc348d44d151..2525eca9c962 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -82,7 +82,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, /* Read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { struct pt_regs *regs; - union fpureg *fregs; unsigned int tmp; regs = task_pt_regs(child); @@ -92,7 +91,10 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, case 0 ... 31: tmp = regs->regs[addr]; break; - case FPR_BASE ... FPR_BASE + 31: +#ifdef CONFIG_MIPS_FP_SUPPORT + case FPR_BASE ... FPR_BASE + 31: { + union fpureg *fregs; + if (!tsk_used_math(child)) { /* FP not yet used */ tmp = -1; @@ -111,6 +113,15 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, } tmp = get_fpr64(&fregs[addr - FPR_BASE], 0); break; + } + case FPC_CSR: + tmp = child->thread.fpu.fcr31; + break; + case FPC_EIR: + /* implementation / version register */ + tmp = boot_cpu_data.fpu_id; + break; +#endif /* CONFIG_MIPS_FP_SUPPORT */ case PC: tmp = regs->cp0_epc; break; @@ -126,13 +137,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, case MMLO: tmp = regs->lo; break; - case FPC_CSR: - tmp = child->thread.fpu.fcr31; - break; - case FPC_EIR: - /* implementation / version register */ - tmp = boot_cpu_data.fpu_id; - break; case DSP_BASE ... DSP_BASE + 5: { dspreg_t *dregs; @@ -203,6 +207,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, mips_syscall_is_indirect(child, regs)) mips_syscall_update_nr(child, regs); break; +#ifdef CONFIG_MIPS_FP_SUPPORT case FPR_BASE ... FPR_BASE + 31: { union fpureg *fregs = get_fpu_regs(child); @@ -225,6 +230,10 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, set_fpr64(&fregs[addr - FPR_BASE], 0, data); break; } + case FPC_CSR: + child->thread.fpu.fcr31 = data; + break; +#endif /* CONFIG_MIPS_FP_SUPPORT */ case PC: regs->cp0_epc = data; break; @@ -234,9 +243,6 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, case MMLO: regs->lo = data; break; - case FPC_CSR: - child->thread.fpu.fcr31 = data; - break; case DSP_BASE ... DSP_BASE + 5: { dspreg_t *dregs; @@ -274,6 +280,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, (struct user_pt_regs __user *) (__u64) data); break; +#ifdef CONFIG_MIPS_FP_SUPPORT case PTRACE_GETFPREGS: ret = ptrace_getfpregs(child, (__u32 __user *) (__u64) data); break; @@ -281,7 +288,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, case PTRACE_SETFPREGS: ret = ptrace_setfpregs(child, (__u32 __user *) (__u64) data); break; - +#endif case PTRACE_GET_THREAD_AREA: ret = put_user(task_thread_info(child)->tp_value, (unsigned int __user *) (unsigned long) data); diff --git a/arch/mips/kernel/r2300_fpu.S b/arch/mips/kernel/r2300_fpu.S index 3062ba66c563..12e58053544f 100644 --- a/arch/mips/kernel/r2300_fpu.S +++ b/arch/mips/kernel/r2300_fpu.S @@ -52,64 +52,6 @@ LEAF(_restore_fp) jr ra END(_restore_fp) -/* - * Load the FPU with signalling NANS. This bit pattern we're using has - * the property that no matter whether considered as single or as double - * precision represents signaling NANS. - * - * The value to initialize fcr31 to comes in $a0. - */ - - .set push - SET_HARDFLOAT - -LEAF(_init_fpu) - mfc0 t0, CP0_STATUS - li t1, ST0_CU1 - or t0, t1 - mtc0 t0, CP0_STATUS - - ctc1 a0, fcr31 - - li t0, -1 - - mtc1 t0, $f0 - mtc1 t0, $f1 - mtc1 t0, $f2 - mtc1 t0, $f3 - mtc1 t0, $f4 - mtc1 t0, $f5 - mtc1 t0, $f6 - mtc1 t0, $f7 - mtc1 t0, $f8 - mtc1 t0, $f9 - mtc1 t0, $f10 - mtc1 t0, $f11 - mtc1 t0, $f12 - mtc1 t0, $f13 - mtc1 t0, $f14 - mtc1 t0, $f15 - mtc1 t0, $f16 - mtc1 t0, $f17 - mtc1 t0, $f18 - mtc1 t0, $f19 - mtc1 t0, $f20 - mtc1 t0, $f21 - mtc1 t0, $f22 - mtc1 t0, $f23 - mtc1 t0, $f24 - mtc1 t0, $f25 - mtc1 t0, $f26 - mtc1 t0, $f27 - mtc1 t0, $f28 - mtc1 t0, $f29 - mtc1 t0, $f30 - mtc1 t0, $f31 - jr ra - END(_init_fpu) - - .set pop - .set noreorder /** diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S index 8e3a6020c613..59be5c812aa2 100644 --- a/arch/mips/kernel/r4k_fpu.S +++ b/arch/mips/kernel/r4k_fpu.S @@ -86,150 +86,6 @@ LEAF(_init_msa_upper) #endif -/* - * Load the FPU with signalling NANS. This bit pattern we're using has - * the property that no matter whether considered as single or as double - * precision represents signaling NANS. - * - * The value to initialize fcr31 to comes in $a0. - */ - - .set push - SET_HARDFLOAT - -LEAF(_init_fpu) - mfc0 t0, CP0_STATUS - li t1, ST0_CU1 - or t0, t1 - mtc0 t0, CP0_STATUS - enable_fpu_hazard - - ctc1 a0, fcr31 - - li t1, -1 # SNaN - -#ifdef CONFIG_64BIT - sll t0, t0, 5 - bgez t0, 1f # 16 / 32 register mode? - - dmtc1 t1, $f1 - dmtc1 t1, $f3 - dmtc1 t1, $f5 - dmtc1 t1, $f7 - dmtc1 t1, $f9 - dmtc1 t1, $f11 - dmtc1 t1, $f13 - dmtc1 t1, $f15 - dmtc1 t1, $f17 - dmtc1 t1, $f19 - dmtc1 t1, $f21 - dmtc1 t1, $f23 - dmtc1 t1, $f25 - dmtc1 t1, $f27 - dmtc1 t1, $f29 - dmtc1 t1, $f31 -1: -#endif - -#ifdef CONFIG_CPU_MIPS32 - mtc1 t1, $f0 - mtc1 t1, $f1 - mtc1 t1, $f2 - mtc1 t1, $f3 - mtc1 t1, $f4 - mtc1 t1, $f5 - mtc1 t1, $f6 - mtc1 t1, $f7 - mtc1 t1, $f8 - mtc1 t1, $f9 - mtc1 t1, $f10 - mtc1 t1, $f11 - mtc1 t1, $f12 - mtc1 t1, $f13 - mtc1 t1, $f14 - mtc1 t1, $f15 - mtc1 t1, $f16 - mtc1 t1, $f17 - mtc1 t1, $f18 - mtc1 t1, $f19 - mtc1 t1, $f20 - mtc1 t1, $f21 - mtc1 t1, $f22 - mtc1 t1, $f23 - mtc1 t1, $f24 - mtc1 t1, $f25 - mtc1 t1, $f26 - mtc1 t1, $f27 - mtc1 t1, $f28 - mtc1 t1, $f29 - mtc1 t1, $f30 - mtc1 t1, $f31 - -#if defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS32_R6) - .set push - .set MIPS_ISA_LEVEL_RAW - .set fp=64 - sll t0, t0, 5 # is Status.FR set? - bgez t0, 1f # no: skip setting upper 32b - - mthc1 t1, $f0 - mthc1 t1, $f1 - mthc1 t1, $f2 - mthc1 t1, $f3 - mthc1 t1, $f4 - mthc1 t1, $f5 - mthc1 t1, $f6 - mthc1 t1, $f7 - mthc1 t1, $f8 - mthc1 t1, $f9 - mthc1 t1, $f10 - mthc1 t1, $f11 - mthc1 t1, $f12 - mthc1 t1, $f13 - mthc1 t1, $f14 - mthc1 t1, $f15 - mthc1 t1, $f16 - mthc1 t1, $f17 - mthc1 t1, $f18 - mthc1 t1, $f19 - mthc1 t1, $f20 - mthc1 t1, $f21 - mthc1 t1, $f22 - mthc1 t1, $f23 - mthc1 t1, $f24 - mthc1 t1, $f25 - mthc1 t1, $f26 - mthc1 t1, $f27 - mthc1 t1, $f28 - mthc1 t1, $f29 - mthc1 t1, $f30 - mthc1 t1, $f31 -1: .set pop -#endif /* CONFIG_CPU_MIPS32_R2 || CONFIG_CPU_MIPS32_R6 */ -#else - .set MIPS_ISA_ARCH_LEVEL_RAW - dmtc1 t1, $f0 - dmtc1 t1, $f2 - dmtc1 t1, $f4 - dmtc1 t1, $f6 - dmtc1 t1, $f8 - dmtc1 t1, $f10 - dmtc1 t1, $f12 - dmtc1 t1, $f14 - dmtc1 t1, $f16 - dmtc1 t1, $f18 - dmtc1 t1, $f20 - dmtc1 t1, $f22 - dmtc1 t1, $f24 - dmtc1 t1, $f26 - dmtc1 t1, $f28 - dmtc1 t1, $f30 -#endif - jr ra - END(_init_fpu) - - .set pop /* SET_HARDFLOAT */ - .set noreorder /** diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index 91d3c8c46097..d9434cd0f568 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -22,9 +22,6 @@ #include <asm/war.h> #include <asm/asm-offsets.h> -/* Highest syscall used of any syscall flavour */ -#define MAX_SYSCALL_NO __NR_O32_Linux + __NR_O32_Linux_syscalls - .align 5 NESTED(handle_sys, PT_SIZE, sp) .set noat @@ -89,7 +86,7 @@ loads_done: bnez t0, syscall_trace_entry # -> yes syscall_common: subu v0, v0, __NR_O32_Linux # check syscall number - sltiu t0, v0, __NR_O32_Linux_syscalls + 1 + sltiu t0, v0, __NR_O32_Linux_syscalls beqz t0, illegal_syscall sll t0, v0, 2 @@ -185,7 +182,7 @@ illegal_syscall: LEAF(sys_syscall) subu t0, a0, __NR_O32_Linux # check syscall number - sltiu v0, t0, __NR_O32_Linux_syscalls + 1 + sltiu v0, t0, __NR_O32_Linux_syscalls beqz t0, einval # do not recurse sll t1, t0, 2 beqz v0, einval @@ -208,248 +205,6 @@ einval: li v0, -ENOSYS jr ra END(sys_syscall) - .align 2 - .type sys_call_table, @object -EXPORT(sys_call_table) - PTR sys_syscall /* 4000 */ - PTR sys_exit - PTR __sys_fork - PTR sys_read - PTR sys_write - PTR sys_open /* 4005 */ - PTR sys_close - PTR sys_waitpid - PTR sys_creat - PTR sys_link - PTR sys_unlink /* 4010 */ - PTR sys_execve - PTR sys_chdir - PTR sys_time - PTR sys_mknod - PTR sys_chmod /* 4015 */ - PTR sys_lchown - PTR sys_ni_syscall - PTR sys_ni_syscall /* was sys_stat */ - PTR sys_lseek - PTR sys_getpid /* 4020 */ - PTR sys_mount - PTR sys_oldumount - PTR sys_setuid - PTR sys_getuid - PTR sys_stime /* 4025 */ - PTR sys_ptrace - PTR sys_alarm - PTR sys_ni_syscall /* was sys_fstat */ - PTR sys_pause - PTR sys_utime /* 4030 */ - PTR sys_ni_syscall - PTR sys_ni_syscall - PTR sys_access - PTR sys_nice - PTR sys_ni_syscall /* 4035 */ - PTR sys_sync - PTR sys_kill - PTR sys_rename - PTR sys_mkdir - PTR sys_rmdir /* 4040 */ - PTR sys_dup - PTR sysm_pipe - PTR sys_times - PTR sys_ni_syscall - PTR sys_brk /* 4045 */ - PTR sys_setgid - PTR sys_getgid - PTR sys_ni_syscall /* was signal(2) */ - PTR sys_geteuid - PTR sys_getegid /* 4050 */ - PTR sys_acct - PTR sys_umount - PTR sys_ni_syscall - PTR sys_ioctl - PTR sys_fcntl /* 4055 */ - PTR sys_ni_syscall - PTR sys_setpgid - PTR sys_ni_syscall - PTR sys_olduname - PTR sys_umask /* 4060 */ - PTR sys_chroot - PTR sys_ustat - PTR sys_dup2 - PTR sys_getppid - PTR sys_getpgrp /* 4065 */ - PTR sys_setsid - PTR sys_sigaction - PTR sys_sgetmask - PTR sys_ssetmask - PTR sys_setreuid /* 4070 */ - PTR sys_setregid - PTR sys_sigsuspend - PTR sys_sigpending - PTR sys_sethostname - PTR sys_setrlimit /* 4075 */ - PTR sys_getrlimit - PTR sys_getrusage - PTR sys_gettimeofday - PTR sys_settimeofday - PTR sys_getgroups /* 4080 */ - PTR sys_setgroups - PTR sys_ni_syscall /* old_select */ - PTR sys_symlink - PTR sys_ni_syscall /* was sys_lstat */ - PTR sys_readlink /* 4085 */ - PTR sys_uselib - PTR sys_swapon - PTR sys_reboot - PTR sys_old_readdir - PTR sys_mips_mmap /* 4090 */ - PTR sys_munmap - PTR sys_truncate - PTR sys_ftruncate - PTR sys_fchmod - PTR sys_fchown /* 4095 */ - PTR sys_getpriority - PTR sys_setpriority - PTR sys_ni_syscall - PTR sys_statfs - PTR sys_fstatfs /* 4100 */ - PTR sys_ni_syscall /* was ioperm(2) */ - PTR sys_socketcall - PTR sys_syslog - PTR sys_setitimer - PTR sys_getitimer /* 4105 */ - PTR sys_newstat - PTR sys_newlstat - PTR sys_newfstat - PTR sys_uname - PTR sys_ni_syscall /* 4110 was iopl(2) */ - PTR sys_vhangup - PTR sys_ni_syscall /* was sys_idle() */ - PTR sys_ni_syscall /* was sys_vm86 */ - PTR sys_wait4 - PTR sys_swapoff /* 4115 */ - PTR sys_sysinfo - PTR sys_ipc - PTR sys_fsync - PTR sys_sigreturn - PTR __sys_clone /* 4120 */ - PTR sys_setdomainname - PTR sys_newuname - PTR sys_ni_syscall /* sys_modify_ldt */ - PTR sys_adjtimex - PTR sys_mprotect /* 4125 */ - PTR sys_sigprocmask - PTR sys_ni_syscall /* was create_module */ - PTR sys_init_module - PTR sys_delete_module - PTR sys_ni_syscall /* 4130 was get_kernel_syms */ - PTR sys_quotactl - PTR sys_getpgid - PTR sys_fchdir - PTR sys_bdflush - PTR sys_sysfs /* 4135 */ - PTR sys_personality - PTR sys_ni_syscall /* for afs_syscall */ - PTR sys_setfsuid - PTR sys_setfsgid - PTR sys_llseek /* 4140 */ - PTR sys_getdents - PTR sys_select - PTR sys_flock - PTR sys_msync - PTR sys_readv /* 4145 */ - PTR sys_writev - PTR sys_cacheflush - PTR sys_cachectl - PTR __sys_sysmips - PTR sys_ni_syscall /* 4150 */ - PTR sys_getsid - PTR sys_fdatasync - PTR sys_sysctl - PTR sys_mlock - PTR sys_munlock /* 4155 */ - PTR sys_mlockall - PTR sys_munlockall - PTR sys_sched_setparam - PTR sys_sched_getparam - PTR sys_sched_setscheduler /* 4160 */ - PTR sys_sched_getscheduler - PTR sys_sched_yield - PTR sys_sched_get_priority_max - PTR sys_sched_get_priority_min - PTR sys_sched_rr_get_interval /* 4165 */ - PTR sys_nanosleep - PTR sys_mremap - PTR sys_accept - PTR sys_bind - PTR sys_connect /* 4170 */ - PTR sys_getpeername - PTR sys_getsockname - PTR sys_getsockopt - PTR sys_listen - PTR sys_recv /* 4175 */ - PTR sys_recvfrom - PTR sys_recvmsg - PTR sys_send - PTR sys_sendmsg - PTR sys_sendto /* 4180 */ - PTR sys_setsockopt - PTR sys_shutdown - PTR sys_socket - PTR sys_socketpair - PTR sys_setresuid /* 4185 */ - PTR sys_getresuid - PTR sys_ni_syscall /* was sys_query_module */ - PTR sys_poll - PTR sys_ni_syscall /* was nfsservctl */ - PTR sys_setresgid /* 4190 */ - PTR sys_getresgid - PTR sys_prctl - PTR sys_rt_sigreturn - PTR sys_rt_sigaction - PTR sys_rt_sigprocmask /* 4195 */ - PTR sys_rt_sigpending - PTR sys_rt_sigtimedwait - PTR sys_rt_sigqueueinfo - PTR sys_rt_sigsuspend - PTR sys_pread64 /* 4200 */ - PTR sys_pwrite64 - PTR sys_chown - PTR sys_getcwd - PTR sys_capget - PTR sys_capset /* 4205 */ - PTR sys_sigaltstack - PTR sys_sendfile - PTR sys_ni_syscall - PTR sys_ni_syscall - PTR sys_mips_mmap2 /* 4210 */ - PTR sys_truncate64 - PTR sys_ftruncate64 - PTR sys_stat64 - PTR sys_lstat64 - PTR sys_fstat64 /* 4215 */ - PTR sys_pivot_root - PTR sys_mincore - PTR sys_madvise - PTR sys_getdents64 - PTR sys_fcntl64 /* 4220 */ - PTR sys_ni_syscall - PTR sys_gettid - PTR sys_readahead - PTR sys_setxattr - PTR sys_lsetxattr /* 4225 */ - PTR sys_fsetxattr - PTR sys_getxattr - PTR sys_lgetxattr - PTR sys_fgetxattr - PTR sys_listxattr /* 4230 */ - PTR sys_llistxattr - PTR sys_flistxattr - PTR sys_removexattr - PTR sys_lremovexattr - PTR sys_fremovexattr /* 4235 */ - PTR sys_tkill - PTR sys_sendfile64 - PTR sys_futex #ifdef CONFIG_MIPS_MT_FPAFF /* * For FPU affinity scheduling on MIPS MT processors, we need to @@ -458,137 +213,13 @@ EXPORT(sys_call_table) * these hooks for the 32-bit kernel - there is no MIPS64 MT processor * atm. */ - PTR mipsmt_sys_sched_setaffinity - PTR mipsmt_sys_sched_getaffinity -#else - PTR sys_sched_setaffinity - PTR sys_sched_getaffinity /* 4240 */ +#define sys_sched_setaffinity mipsmt_sys_sched_setaffinity +#define sys_sched_getaffinity mipsmt_sys_sched_getaffinity #endif /* CONFIG_MIPS_MT_FPAFF */ - PTR sys_io_setup - PTR sys_io_destroy - PTR sys_io_getevents - PTR sys_io_submit - PTR sys_io_cancel /* 4245 */ - PTR sys_exit_group - PTR sys_lookup_dcookie - PTR sys_epoll_create - PTR sys_epoll_ctl - PTR sys_epoll_wait /* 4250 */ - PTR sys_remap_file_pages - PTR sys_set_tid_address - PTR sys_restart_syscall - PTR sys_fadvise64_64 - PTR sys_statfs64 /* 4255 */ - PTR sys_fstatfs64 - PTR sys_timer_create - PTR sys_timer_settime - PTR sys_timer_gettime - PTR sys_timer_getoverrun /* 4260 */ - PTR sys_timer_delete - PTR sys_clock_settime - PTR sys_clock_gettime - PTR sys_clock_getres - PTR sys_clock_nanosleep /* 4265 */ - PTR sys_tgkill - PTR sys_utimes - PTR sys_mbind - PTR sys_get_mempolicy - PTR sys_set_mempolicy /* 4270 */ - PTR sys_mq_open - PTR sys_mq_unlink - PTR sys_mq_timedsend - PTR sys_mq_timedreceive - PTR sys_mq_notify /* 4275 */ - PTR sys_mq_getsetattr - PTR sys_ni_syscall /* sys_vserver */ - PTR sys_waitid - PTR sys_ni_syscall /* available, was setaltroot */ - PTR sys_add_key /* 4280 */ - PTR sys_request_key - PTR sys_keyctl - PTR sys_set_thread_area - PTR sys_inotify_init - PTR sys_inotify_add_watch /* 4285 */ - PTR sys_inotify_rm_watch - PTR sys_migrate_pages - PTR sys_openat - PTR sys_mkdirat - PTR sys_mknodat /* 4290 */ - PTR sys_fchownat - PTR sys_futimesat - PTR sys_fstatat64 - PTR sys_unlinkat - PTR sys_renameat /* 4295 */ - PTR sys_linkat - PTR sys_symlinkat - PTR sys_readlinkat - PTR sys_fchmodat - PTR sys_faccessat /* 4300 */ - PTR sys_pselect6 - PTR sys_ppoll - PTR sys_unshare - PTR sys_splice - PTR sys_sync_file_range /* 4305 */ - PTR sys_tee - PTR sys_vmsplice - PTR sys_move_pages - PTR sys_set_robust_list - PTR sys_get_robust_list /* 4310 */ - PTR sys_kexec_load - PTR sys_getcpu - PTR sys_epoll_pwait - PTR sys_ioprio_set - PTR sys_ioprio_get /* 4315 */ - PTR sys_utimensat - PTR sys_signalfd - PTR sys_ni_syscall /* was timerfd */ - PTR sys_eventfd - PTR sys_fallocate /* 4320 */ - PTR sys_timerfd_create - PTR sys_timerfd_gettime - PTR sys_timerfd_settime - PTR sys_signalfd4 - PTR sys_eventfd2 /* 4325 */ - PTR sys_epoll_create1 - PTR sys_dup3 - PTR sys_pipe2 - PTR sys_inotify_init1 - PTR sys_preadv /* 4330 */ - PTR sys_pwritev - PTR sys_rt_tgsigqueueinfo - PTR sys_perf_event_open - PTR sys_accept4 - PTR sys_recvmmsg /* 4335 */ - PTR sys_fanotify_init - PTR sys_fanotify_mark - PTR sys_prlimit64 - PTR sys_name_to_handle_at - PTR sys_open_by_handle_at /* 4340 */ - PTR sys_clock_adjtime - PTR sys_syncfs - PTR sys_sendmmsg - PTR sys_setns - PTR sys_process_vm_readv /* 4345 */ - PTR sys_process_vm_writev - PTR sys_kcmp - PTR sys_finit_module - PTR sys_sched_setattr - PTR sys_sched_getattr /* 4350 */ - PTR sys_renameat2 - PTR sys_seccomp - PTR sys_getrandom - PTR sys_memfd_create - PTR sys_bpf /* 4355 */ - PTR sys_execveat - PTR sys_userfaultfd - PTR sys_membarrier - PTR sys_mlock2 - PTR sys_copy_file_range /* 4360 */ - PTR sys_preadv2 - PTR sys_pwritev2 - PTR sys_pkey_mprotect - PTR sys_pkey_alloc - PTR sys_pkey_free /* 4365 */ - PTR sys_statx - PTR sys_rseq - PTR sys_io_pgetevents + +#define __SYSCALL(nr, entry, nargs) PTR entry + .align 2 + .type sys_call_table, @object +EXPORT(sys_call_table) +#include <asm/syscall_table_32_o32.h> +#undef __SYSCALL diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S deleted file mode 100644 index 358d9599983d..000000000000 --- a/arch/mips/kernel/scall64-64.S +++ /dev/null @@ -1,444 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle - * Copyright (C) 1999, 2000 Silicon Graphics, Inc. - * Copyright (C) 2001 MIPS Technologies, Inc. - */ -#include <linux/errno.h> -#include <asm/asm.h> -#include <asm/asmmacro.h> -#include <asm/irqflags.h> -#include <asm/mipsregs.h> -#include <asm/regdef.h> -#include <asm/stackframe.h> -#include <asm/asm-offsets.h> -#include <asm/sysmips.h> -#include <asm/thread_info.h> -#include <asm/unistd.h> -#include <asm/war.h> - -#ifndef CONFIG_BINFMT_ELF32 -/* Neither O32 nor N32, so define handle_sys here */ -#define handle_sys64 handle_sys -#endif - - .align 5 -NESTED(handle_sys64, PT_SIZE, sp) -#if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32) - /* - * When 32-bit compatibility is configured scall_o32.S - * already did this. - */ - .set noat - SAVE_SOME - TRACE_IRQS_ON_RELOAD - STI - .set at -#endif - -#if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32) - ld t1, PT_EPC(sp) # skip syscall on return - daddiu t1, 4 # skip to next instruction - sd t1, PT_EPC(sp) -#endif - - sd a3, PT_R26(sp) # save a3 for syscall restarting - - li t1, _TIF_WORK_SYSCALL_ENTRY - LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? - and t0, t1, t0 - bnez t0, syscall_trace_entry - -syscall_common: - dsubu t2, v0, __NR_64_Linux - sltiu t0, t2, __NR_64_Linux_syscalls + 1 - beqz t0, illegal_syscall - - dsll t0, t2, 3 # offset into table - dla t2, sys_call_table - daddu t0, t2, t0 - ld t2, (t0) # syscall routine - beqz t2, illegal_syscall - - jalr t2 # Do The Real Thing (TM) - - li t0, -EMAXERRNO - 1 # error? - sltu t0, t0, v0 - sd t0, PT_R7(sp) # set error flag - beqz t0, 1f - - ld t1, PT_R2(sp) # syscall number - dnegu v0 # error - sd t1, PT_R0(sp) # save it for syscall restarting -1: sd v0, PT_R2(sp) # result - -n64_syscall_exit: - j syscall_exit_partial - -/* ------------------------------------------------------------------------ */ - -syscall_trace_entry: - SAVE_STATIC - move a0, sp - move a1, v0 - jal syscall_trace_enter - - bltz v0, 1f # seccomp failed? Skip syscall - - RESTORE_STATIC - ld v0, PT_R2(sp) # Restore syscall (maybe modified) - ld a0, PT_R4(sp) # Restore argument registers - ld a1, PT_R5(sp) - ld a2, PT_R6(sp) - ld a3, PT_R7(sp) - ld a4, PT_R8(sp) - ld a5, PT_R9(sp) - j syscall_common - -1: j syscall_exit - -illegal_syscall: - /* This also isn't a 64-bit syscall, throw an error. */ - li v0, ENOSYS # error - sd v0, PT_R2(sp) - li t0, 1 # set error flag - sd t0, PT_R7(sp) - j n64_syscall_exit - END(handle_sys64) - - .align 3 - .type sys_call_table, @object -EXPORT(sys_call_table) - PTR sys_read /* 5000 */ - PTR sys_write - PTR sys_open - PTR sys_close - PTR sys_newstat - PTR sys_newfstat /* 5005 */ - PTR sys_newlstat - PTR sys_poll - PTR sys_lseek - PTR sys_mips_mmap - PTR sys_mprotect /* 5010 */ - PTR sys_munmap - PTR sys_brk - PTR sys_rt_sigaction - PTR sys_rt_sigprocmask - PTR sys_ioctl /* 5015 */ - PTR sys_pread64 - PTR sys_pwrite64 - PTR sys_readv - PTR sys_writev - PTR sys_access /* 5020 */ - PTR sysm_pipe - PTR sys_select - PTR sys_sched_yield - PTR sys_mremap - PTR sys_msync /* 5025 */ - PTR sys_mincore - PTR sys_madvise - PTR sys_shmget - PTR sys_shmat - PTR sys_shmctl /* 5030 */ - PTR sys_dup - PTR sys_dup2 - PTR sys_pause - PTR sys_nanosleep - PTR sys_getitimer /* 5035 */ - PTR sys_setitimer - PTR sys_alarm - PTR sys_getpid - PTR sys_sendfile64 - PTR sys_socket /* 5040 */ - PTR sys_connect - PTR sys_accept - PTR sys_sendto - PTR sys_recvfrom - PTR sys_sendmsg /* 5045 */ - PTR sys_recvmsg - PTR sys_shutdown - PTR sys_bind - PTR sys_listen - PTR sys_getsockname /* 5050 */ - PTR sys_getpeername - PTR sys_socketpair - PTR sys_setsockopt - PTR sys_getsockopt - PTR __sys_clone /* 5055 */ - PTR __sys_fork - PTR sys_execve - PTR sys_exit - PTR sys_wait4 - PTR sys_kill /* 5060 */ - PTR sys_newuname - PTR sys_semget - PTR sys_semop - PTR sys_semctl - PTR sys_shmdt /* 5065 */ - PTR sys_msgget - PTR sys_msgsnd - PTR sys_msgrcv - PTR sys_msgctl - PTR sys_fcntl /* 5070 */ - PTR sys_flock - PTR sys_fsync - PTR sys_fdatasync - PTR sys_truncate - PTR sys_ftruncate /* 5075 */ - PTR sys_getdents - PTR sys_getcwd - PTR sys_chdir - PTR sys_fchdir - PTR sys_rename /* 5080 */ - PTR sys_mkdir - PTR sys_rmdir - PTR sys_creat - PTR sys_link - PTR sys_unlink /* 5085 */ - PTR sys_symlink - PTR sys_readlink - PTR sys_chmod - PTR sys_fchmod - PTR sys_chown /* 5090 */ - PTR sys_fchown - PTR sys_lchown - PTR sys_umask - PTR sys_gettimeofday - PTR sys_getrlimit /* 5095 */ - PTR sys_getrusage - PTR sys_sysinfo - PTR sys_times - PTR sys_ptrace - PTR sys_getuid /* 5100 */ - PTR sys_syslog - PTR sys_getgid - PTR sys_setuid - PTR sys_setgid - PTR sys_geteuid /* 5105 */ - PTR sys_getegid - PTR sys_setpgid - PTR sys_getppid - PTR sys_getpgrp - PTR sys_setsid /* 5110 */ - PTR sys_setreuid - PTR sys_setregid - PTR sys_getgroups - PTR sys_setgroups - PTR sys_setresuid /* 5115 */ - PTR sys_getresuid - PTR sys_setresgid - PTR sys_getresgid - PTR sys_getpgid - PTR sys_setfsuid /* 5120 */ - PTR sys_setfsgid - PTR sys_getsid - PTR sys_capget - PTR sys_capset - PTR sys_rt_sigpending /* 5125 */ - PTR sys_rt_sigtimedwait - PTR sys_rt_sigqueueinfo - PTR sys_rt_sigsuspend - PTR sys_sigaltstack - PTR sys_utime /* 5130 */ - PTR sys_mknod - PTR sys_personality - PTR sys_ustat - PTR sys_statfs - PTR sys_fstatfs /* 5135 */ - PTR sys_sysfs - PTR sys_getpriority - PTR sys_setpriority - PTR sys_sched_setparam - PTR sys_sched_getparam /* 5140 */ - PTR sys_sched_setscheduler - PTR sys_sched_getscheduler - PTR sys_sched_get_priority_max - PTR sys_sched_get_priority_min - PTR sys_sched_rr_get_interval /* 5145 */ - PTR sys_mlock - PTR sys_munlock - PTR sys_mlockall - PTR sys_munlockall - PTR sys_vhangup /* 5150 */ - PTR sys_pivot_root - PTR sys_sysctl - PTR sys_prctl - PTR sys_adjtimex - PTR sys_setrlimit /* 5155 */ - PTR sys_chroot - PTR sys_sync - PTR sys_acct - PTR sys_settimeofday - PTR sys_mount /* 5160 */ - PTR sys_umount - PTR sys_swapon - PTR sys_swapoff - PTR sys_reboot - PTR sys_sethostname /* 5165 */ - PTR sys_setdomainname - PTR sys_ni_syscall /* was create_module */ - PTR sys_init_module - PTR sys_delete_module - PTR sys_ni_syscall /* 5170, was get_kernel_syms */ - PTR sys_ni_syscall /* was query_module */ - PTR sys_quotactl - PTR sys_ni_syscall /* was nfsservctl */ - PTR sys_ni_syscall /* res. for getpmsg */ - PTR sys_ni_syscall /* 5175 for putpmsg */ - PTR sys_ni_syscall /* res. for afs_syscall */ - PTR sys_ni_syscall /* res. for security */ - PTR sys_gettid - PTR sys_readahead - PTR sys_setxattr /* 5180 */ - PTR sys_lsetxattr - PTR sys_fsetxattr - PTR sys_getxattr - PTR sys_lgetxattr - PTR sys_fgetxattr /* 5185 */ - PTR sys_listxattr - PTR sys_llistxattr - PTR sys_flistxattr - PTR sys_removexattr - PTR sys_lremovexattr /* 5190 */ - PTR sys_fremovexattr - PTR sys_tkill - PTR sys_ni_syscall - PTR sys_futex - PTR sys_sched_setaffinity /* 5195 */ - PTR sys_sched_getaffinity - PTR sys_cacheflush - PTR sys_cachectl - PTR __sys_sysmips - PTR sys_io_setup /* 5200 */ - PTR sys_io_destroy - PTR sys_io_getevents - PTR sys_io_submit - PTR sys_io_cancel - PTR sys_exit_group /* 5205 */ - PTR sys_lookup_dcookie - PTR sys_epoll_create - PTR sys_epoll_ctl - PTR sys_epoll_wait - PTR sys_remap_file_pages /* 5210 */ - PTR sys_rt_sigreturn - PTR sys_set_tid_address - PTR sys_restart_syscall - PTR sys_semtimedop - PTR sys_fadvise64_64 /* 5215 */ - PTR sys_timer_create - PTR sys_timer_settime - PTR sys_timer_gettime - PTR sys_timer_getoverrun - PTR sys_timer_delete /* 5220 */ - PTR sys_clock_settime - PTR sys_clock_gettime - PTR sys_clock_getres - PTR sys_clock_nanosleep - PTR sys_tgkill /* 5225 */ - PTR sys_utimes - PTR sys_mbind - PTR sys_get_mempolicy - PTR sys_set_mempolicy - PTR sys_mq_open /* 5230 */ - PTR sys_mq_unlink - PTR sys_mq_timedsend - PTR sys_mq_timedreceive - PTR sys_mq_notify - PTR sys_mq_getsetattr /* 5235 */ - PTR sys_ni_syscall /* sys_vserver */ - PTR sys_waitid - PTR sys_ni_syscall /* available, was setaltroot */ - PTR sys_add_key - PTR sys_request_key /* 5240 */ - PTR sys_keyctl - PTR sys_set_thread_area - PTR sys_inotify_init - PTR sys_inotify_add_watch - PTR sys_inotify_rm_watch /* 5245 */ - PTR sys_migrate_pages - PTR sys_openat - PTR sys_mkdirat - PTR sys_mknodat - PTR sys_fchownat /* 5250 */ - PTR sys_futimesat - PTR sys_newfstatat - PTR sys_unlinkat - PTR sys_renameat - PTR sys_linkat /* 5255 */ - PTR sys_symlinkat - PTR sys_readlinkat - PTR sys_fchmodat - PTR sys_faccessat - PTR sys_pselect6 /* 5260 */ - PTR sys_ppoll - PTR sys_unshare - PTR sys_splice - PTR sys_sync_file_range - PTR sys_tee /* 5265 */ - PTR sys_vmsplice - PTR sys_move_pages - PTR sys_set_robust_list - PTR sys_get_robust_list - PTR sys_kexec_load /* 5270 */ - PTR sys_getcpu - PTR sys_epoll_pwait - PTR sys_ioprio_set - PTR sys_ioprio_get - PTR sys_utimensat /* 5275 */ - PTR sys_signalfd - PTR sys_ni_syscall /* was timerfd */ - PTR sys_eventfd - PTR sys_fallocate - PTR sys_timerfd_create /* 5280 */ - PTR sys_timerfd_gettime - PTR sys_timerfd_settime - PTR sys_signalfd4 - PTR sys_eventfd2 - PTR sys_epoll_create1 /* 5285 */ - PTR sys_dup3 - PTR sys_pipe2 - PTR sys_inotify_init1 - PTR sys_preadv - PTR sys_pwritev /* 5290 */ - PTR sys_rt_tgsigqueueinfo - PTR sys_perf_event_open - PTR sys_accept4 - PTR sys_recvmmsg - PTR sys_fanotify_init /* 5295 */ - PTR sys_fanotify_mark - PTR sys_prlimit64 - PTR sys_name_to_handle_at - PTR sys_open_by_handle_at - PTR sys_clock_adjtime /* 5300 */ - PTR sys_syncfs - PTR sys_sendmmsg - PTR sys_setns - PTR sys_process_vm_readv - PTR sys_process_vm_writev /* 5305 */ - PTR sys_kcmp - PTR sys_finit_module - PTR sys_getdents64 - PTR sys_sched_setattr - PTR sys_sched_getattr /* 5310 */ - PTR sys_renameat2 - PTR sys_seccomp - PTR sys_getrandom - PTR sys_memfd_create - PTR sys_bpf /* 5315 */ - PTR sys_execveat - PTR sys_userfaultfd - PTR sys_membarrier - PTR sys_mlock2 - PTR sys_copy_file_range /* 5320 */ - PTR sys_preadv2 - PTR sys_pwritev2 - PTR sys_pkey_mprotect - PTR sys_pkey_alloc - PTR sys_pkey_free /* 5325 */ - PTR sys_statx - PTR sys_rseq - PTR sys_io_pgetevents - .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index c65eaacc1abf..c761ddfed9e6 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -33,7 +33,7 @@ NESTED(handle_sysn32, PT_SIZE, sp) #endif dsubu t0, v0, __NR_N32_Linux # check syscall number - sltiu t0, t0, __NR_N32_Linux_syscalls + 1 + sltiu t0, t0, __NR_N32_Linux_syscalls #ifndef CONFIG_MIPS32_O32 ld t1, PT_EPC(sp) # skip syscall on return @@ -87,7 +87,7 @@ n32_syscall_trace_entry: ld a5, PT_R9(sp) dsubu t2, v0, __NR_N32_Linux # check (new) syscall number - sltiu t0, t2, __NR_N32_Linux_syscalls + 1 + sltiu t0, t2, __NR_N32_Linux_syscalls beqz t0, not_n32_scall j syscall_common @@ -101,339 +101,8 @@ not_n32_scall: END(handle_sysn32) +#define __SYSCALL(nr, entry, nargs) PTR entry .type sysn32_call_table, @object EXPORT(sysn32_call_table) - PTR sys_read /* 6000 */ - PTR sys_write - PTR sys_open - PTR sys_close - PTR sys_newstat - PTR sys_newfstat /* 6005 */ - PTR sys_newlstat - PTR sys_poll - PTR sys_lseek - PTR sys_mips_mmap - PTR sys_mprotect /* 6010 */ - PTR sys_munmap - PTR sys_brk - PTR compat_sys_rt_sigaction - PTR compat_sys_rt_sigprocmask - PTR compat_sys_ioctl /* 6015 */ - PTR sys_pread64 - PTR sys_pwrite64 - PTR compat_sys_readv - PTR compat_sys_writev - PTR sys_access /* 6020 */ - PTR sysm_pipe - PTR compat_sys_select - PTR sys_sched_yield - PTR sys_mremap - PTR sys_msync /* 6025 */ - PTR sys_mincore - PTR sys_madvise - PTR sys_shmget - PTR sys_shmat - PTR compat_sys_shmctl /* 6030 */ - PTR sys_dup - PTR sys_dup2 - PTR sys_pause - PTR compat_sys_nanosleep - PTR compat_sys_getitimer /* 6035 */ - PTR compat_sys_setitimer - PTR sys_alarm - PTR sys_getpid - PTR compat_sys_sendfile - PTR sys_socket /* 6040 */ - PTR sys_connect - PTR sys_accept - PTR sys_sendto - PTR compat_sys_recvfrom - PTR compat_sys_sendmsg /* 6045 */ - PTR compat_sys_recvmsg - PTR sys_shutdown - PTR sys_bind - PTR sys_listen - PTR sys_getsockname /* 6050 */ - PTR sys_getpeername - PTR sys_socketpair - PTR compat_sys_setsockopt - PTR compat_sys_getsockopt - PTR __sys_clone /* 6055 */ - PTR __sys_fork - PTR compat_sys_execve - PTR sys_exit - PTR compat_sys_wait4 - PTR sys_kill /* 6060 */ - PTR sys_newuname - PTR sys_semget - PTR sys_semop - PTR compat_sys_semctl - PTR sys_shmdt /* 6065 */ - PTR sys_msgget - PTR compat_sys_msgsnd - PTR compat_sys_msgrcv - PTR compat_sys_msgctl - PTR compat_sys_fcntl /* 6070 */ - PTR sys_flock - PTR sys_fsync - PTR sys_fdatasync - PTR sys_truncate - PTR sys_ftruncate /* 6075 */ - PTR compat_sys_getdents - PTR sys_getcwd - PTR sys_chdir - PTR sys_fchdir - PTR sys_rename /* 6080 */ - PTR sys_mkdir - PTR sys_rmdir - PTR sys_creat - PTR sys_link - PTR sys_unlink /* 6085 */ - PTR sys_symlink - PTR sys_readlink - PTR sys_chmod - PTR sys_fchmod - PTR sys_chown /* 6090 */ - PTR sys_fchown - PTR sys_lchown - PTR sys_umask - PTR compat_sys_gettimeofday - PTR compat_sys_getrlimit /* 6095 */ - PTR compat_sys_getrusage - PTR compat_sys_sysinfo - PTR compat_sys_times - PTR compat_sys_ptrace - PTR sys_getuid /* 6100 */ - PTR sys_syslog - PTR sys_getgid - PTR sys_setuid - PTR sys_setgid - PTR sys_geteuid /* 6105 */ - PTR sys_getegid - PTR sys_setpgid - PTR sys_getppid - PTR sys_getpgrp - PTR sys_setsid /* 6110 */ - PTR sys_setreuid - PTR sys_setregid - PTR sys_getgroups - PTR sys_setgroups - PTR sys_setresuid /* 6115 */ - PTR sys_getresuid - PTR sys_setresgid - PTR sys_getresgid - PTR sys_getpgid - PTR sys_setfsuid /* 6120 */ - PTR sys_setfsgid - PTR sys_getsid - PTR sys_capget - PTR sys_capset - PTR compat_sys_rt_sigpending /* 6125 */ - PTR compat_sys_rt_sigtimedwait - PTR compat_sys_rt_sigqueueinfo - PTR compat_sys_rt_sigsuspend - PTR compat_sys_sigaltstack - PTR compat_sys_utime /* 6130 */ - PTR sys_mknod - PTR sys_32_personality - PTR compat_sys_ustat - PTR compat_sys_statfs - PTR compat_sys_fstatfs /* 6135 */ - PTR sys_sysfs - PTR sys_getpriority - PTR sys_setpriority - PTR sys_sched_setparam - PTR sys_sched_getparam /* 6140 */ - PTR sys_sched_setscheduler - PTR sys_sched_getscheduler - PTR sys_sched_get_priority_max - PTR sys_sched_get_priority_min - PTR compat_sys_sched_rr_get_interval /* 6145 */ - PTR sys_mlock - PTR sys_munlock - PTR sys_mlockall - PTR sys_munlockall - PTR sys_vhangup /* 6150 */ - PTR sys_pivot_root - PTR compat_sys_sysctl - PTR sys_prctl - PTR compat_sys_adjtimex - PTR compat_sys_setrlimit /* 6155 */ - PTR sys_chroot - PTR sys_sync - PTR sys_acct - PTR compat_sys_settimeofday - PTR compat_sys_mount /* 6160 */ - PTR sys_umount - PTR sys_swapon - PTR sys_swapoff - PTR sys_reboot - PTR sys_sethostname /* 6165 */ - PTR sys_setdomainname - PTR sys_ni_syscall /* was create_module */ - PTR sys_init_module - PTR sys_delete_module - PTR sys_ni_syscall /* 6170, was get_kernel_syms */ - PTR sys_ni_syscall /* was query_module */ - PTR sys_quotactl - PTR sys_ni_syscall /* was nfsservctl */ - PTR sys_ni_syscall /* res. for getpmsg */ - PTR sys_ni_syscall /* 6175 for putpmsg */ - PTR sys_ni_syscall /* res. for afs_syscall */ - PTR sys_ni_syscall /* res. for security */ - PTR sys_gettid - PTR sys_readahead - PTR sys_setxattr /* 6180 */ - PTR sys_lsetxattr - PTR sys_fsetxattr - PTR sys_getxattr - PTR sys_lgetxattr - PTR sys_fgetxattr /* 6185 */ - PTR sys_listxattr - PTR sys_llistxattr - PTR sys_flistxattr - PTR sys_removexattr - PTR sys_lremovexattr /* 6190 */ - PTR sys_fremovexattr - PTR sys_tkill - PTR sys_ni_syscall - PTR compat_sys_futex - PTR compat_sys_sched_setaffinity /* 6195 */ - PTR compat_sys_sched_getaffinity - PTR sys_cacheflush - PTR sys_cachectl - PTR __sys_sysmips - PTR compat_sys_io_setup /* 6200 */ - PTR sys_io_destroy - PTR compat_sys_io_getevents - PTR compat_sys_io_submit - PTR sys_io_cancel - PTR sys_exit_group /* 6205 */ - PTR sys_lookup_dcookie - PTR sys_epoll_create - PTR sys_epoll_ctl - PTR sys_epoll_wait - PTR sys_remap_file_pages /* 6210 */ - PTR sysn32_rt_sigreturn - PTR compat_sys_fcntl64 - PTR sys_set_tid_address - PTR sys_restart_syscall - PTR compat_sys_semtimedop /* 6215 */ - PTR sys_fadvise64_64 - PTR compat_sys_statfs64 - PTR compat_sys_fstatfs64 - PTR sys_sendfile64 - PTR compat_sys_timer_create /* 6220 */ - PTR compat_sys_timer_settime - PTR compat_sys_timer_gettime - PTR sys_timer_getoverrun - PTR sys_timer_delete - PTR compat_sys_clock_settime /* 6225 */ - PTR compat_sys_clock_gettime - PTR compat_sys_clock_getres - PTR compat_sys_clock_nanosleep - PTR sys_tgkill - PTR compat_sys_utimes /* 6230 */ - PTR compat_sys_mbind - PTR compat_sys_get_mempolicy - PTR compat_sys_set_mempolicy - PTR compat_sys_mq_open - PTR sys_mq_unlink /* 6235 */ - PTR compat_sys_mq_timedsend - PTR compat_sys_mq_timedreceive - PTR compat_sys_mq_notify - PTR compat_sys_mq_getsetattr - PTR sys_ni_syscall /* 6240, sys_vserver */ - PTR compat_sys_waitid - PTR sys_ni_syscall /* available, was setaltroot */ - PTR sys_add_key - PTR sys_request_key - PTR compat_sys_keyctl /* 6245 */ - PTR sys_set_thread_area - PTR sys_inotify_init - PTR sys_inotify_add_watch - PTR sys_inotify_rm_watch - PTR compat_sys_migrate_pages /* 6250 */ - PTR sys_openat - PTR sys_mkdirat - PTR sys_mknodat - PTR sys_fchownat - PTR compat_sys_futimesat /* 6255 */ - PTR sys_newfstatat - PTR sys_unlinkat - PTR sys_renameat - PTR sys_linkat - PTR sys_symlinkat /* 6260 */ - PTR sys_readlinkat - PTR sys_fchmodat - PTR sys_faccessat - PTR compat_sys_pselect6 - PTR compat_sys_ppoll /* 6265 */ - PTR sys_unshare - PTR sys_splice - PTR sys_sync_file_range - PTR sys_tee - PTR compat_sys_vmsplice /* 6270 */ - PTR compat_sys_move_pages - PTR compat_sys_set_robust_list - PTR compat_sys_get_robust_list - PTR compat_sys_kexec_load - PTR sys_getcpu /* 6275 */ - PTR compat_sys_epoll_pwait - PTR sys_ioprio_set - PTR sys_ioprio_get - PTR compat_sys_utimensat - PTR compat_sys_signalfd /* 6280 */ - PTR sys_ni_syscall /* was timerfd */ - PTR sys_eventfd - PTR sys_fallocate - PTR sys_timerfd_create - PTR compat_sys_timerfd_gettime /* 6285 */ - PTR compat_sys_timerfd_settime - PTR compat_sys_signalfd4 - PTR sys_eventfd2 - PTR sys_epoll_create1 - PTR sys_dup3 /* 6290 */ - PTR sys_pipe2 - PTR sys_inotify_init1 - PTR compat_sys_preadv - PTR compat_sys_pwritev - PTR compat_sys_rt_tgsigqueueinfo /* 6295 */ - PTR sys_perf_event_open - PTR sys_accept4 - PTR compat_sys_recvmmsg - PTR sys_getdents64 - PTR sys_fanotify_init /* 6300 */ - PTR sys_fanotify_mark - PTR sys_prlimit64 - PTR sys_name_to_handle_at - PTR sys_open_by_handle_at - PTR compat_sys_clock_adjtime /* 6305 */ - PTR sys_syncfs - PTR compat_sys_sendmmsg - PTR sys_setns - PTR compat_sys_process_vm_readv - PTR compat_sys_process_vm_writev /* 6310 */ - PTR sys_kcmp - PTR sys_finit_module - PTR sys_sched_setattr - PTR sys_sched_getattr - PTR sys_renameat2 /* 6315 */ - PTR sys_seccomp - PTR sys_getrandom - PTR sys_memfd_create - PTR sys_bpf - PTR compat_sys_execveat /* 6320 */ - PTR sys_userfaultfd - PTR sys_membarrier - PTR sys_mlock2 - PTR sys_copy_file_range - PTR compat_sys_preadv2 /* 6325 */ - PTR compat_sys_pwritev2 - PTR sys_pkey_mprotect - PTR sys_pkey_alloc - PTR sys_pkey_free - PTR sys_statx /* 6330 */ - PTR sys_rseq - PTR compat_sys_io_pgetevents - .size sysn32_call_table,.-sysn32_call_table +#include <asm/syscall_table_64_n32.h> +#undef __SYSCALL diff --git a/arch/mips/kernel/scall64-n64.S b/arch/mips/kernel/scall64-n64.S new file mode 100644 index 000000000000..727fb8a1b0eb --- /dev/null +++ b/arch/mips/kernel/scall64-n64.S @@ -0,0 +1,117 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + * Copyright (C) 2001 MIPS Technologies, Inc. + */ +#include <linux/errno.h> +#include <asm/asm.h> +#include <asm/asmmacro.h> +#include <asm/irqflags.h> +#include <asm/mipsregs.h> +#include <asm/regdef.h> +#include <asm/stackframe.h> +#include <asm/asm-offsets.h> +#include <asm/sysmips.h> +#include <asm/thread_info.h> +#include <asm/unistd.h> +#include <asm/war.h> + +#ifndef CONFIG_BINFMT_ELF32 +/* Neither O32 nor N32, so define handle_sys here */ +#define handle_sys64 handle_sys +#endif + + .align 5 +NESTED(handle_sys64, PT_SIZE, sp) +#if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32) + /* + * When 32-bit compatibility is configured scall_o32.S + * already did this. + */ + .set noat + SAVE_SOME + TRACE_IRQS_ON_RELOAD + STI + .set at +#endif + +#if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32) + ld t1, PT_EPC(sp) # skip syscall on return + daddiu t1, 4 # skip to next instruction + sd t1, PT_EPC(sp) +#endif + + sd a3, PT_R26(sp) # save a3 for syscall restarting + + li t1, _TIF_WORK_SYSCALL_ENTRY + LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? + and t0, t1, t0 + bnez t0, syscall_trace_entry + +syscall_common: + dsubu t2, v0, __NR_64_Linux + sltiu t0, t2, __NR_64_Linux_syscalls + beqz t0, illegal_syscall + + dsll t0, t2, 3 # offset into table + dla t2, sys_call_table + daddu t0, t2, t0 + ld t2, (t0) # syscall routine + beqz t2, illegal_syscall + + jalr t2 # Do The Real Thing (TM) + + li t0, -EMAXERRNO - 1 # error? + sltu t0, t0, v0 + sd t0, PT_R7(sp) # set error flag + beqz t0, 1f + + ld t1, PT_R2(sp) # syscall number + dnegu v0 # error + sd t1, PT_R0(sp) # save it for syscall restarting +1: sd v0, PT_R2(sp) # result + +n64_syscall_exit: + j syscall_exit_partial + +/* ------------------------------------------------------------------------ */ + +syscall_trace_entry: + SAVE_STATIC + move a0, sp + move a1, v0 + jal syscall_trace_enter + + bltz v0, 1f # seccomp failed? Skip syscall + + RESTORE_STATIC + ld v0, PT_R2(sp) # Restore syscall (maybe modified) + ld a0, PT_R4(sp) # Restore argument registers + ld a1, PT_R5(sp) + ld a2, PT_R6(sp) + ld a3, PT_R7(sp) + ld a4, PT_R8(sp) + ld a5, PT_R9(sp) + j syscall_common + +1: j syscall_exit + +illegal_syscall: + /* This also isn't a 64-bit syscall, throw an error. */ + li v0, ENOSYS # error + sd v0, PT_R2(sp) + li t0, 1 # set error flag + sd t0, PT_R7(sp) + j n64_syscall_exit + END(handle_sys64) + +#define __SYSCALL(nr, entry, nargs) PTR entry + .align 3 + .type sys_call_table, @object +EXPORT(sys_call_table) +#include <asm/syscall_table_64_n64.h> +#undef __SYSCALL diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 73913f072e39..f158c5894a9a 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -34,7 +34,7 @@ NESTED(handle_sys, PT_SIZE, sp) ld t1, PT_EPC(sp) # skip syscall on return dsubu t0, v0, __NR_O32_Linux # check syscall number - sltiu t0, t0, __NR_O32_Linux_syscalls + 1 + sltiu t0, t0, __NR_O32_Linux_syscalls daddiu t1, 4 # skip to next instruction sd t1, PT_EPC(sp) beqz t0, not_o32_scall @@ -144,7 +144,7 @@ trace_a_syscall: ld a7, PT_R11(sp) # For indirect syscalls dsubu t0, v0, __NR_O32_Linux # check (new) syscall number - sltiu t0, t0, __NR_O32_Linux_syscalls + 1 + sltiu t0, t0, __NR_O32_Linux_syscalls beqz t0, not_o32_scall j syscall_common @@ -193,7 +193,7 @@ not_o32_scall: LEAF(sys32_syscall) subu t0, a0, __NR_O32_Linux # check syscall number - sltiu v0, t0, __NR_O32_Linux_syscalls + 1 + sltiu v0, t0, __NR_O32_Linux_syscalls beqz t0, einval # do not recurse dsll t1, t0, 3 beqz v0, einval @@ -213,376 +213,9 @@ einval: li v0, -ENOSYS jr ra END(sys32_syscall) +#define __SYSCALL(nr, entry, nargs) PTR entry .align 3 .type sys32_call_table,@object EXPORT(sys32_call_table) - PTR sys32_syscall /* 4000 */ - PTR sys_exit - PTR __sys_fork - PTR sys_read - PTR sys_write - PTR compat_sys_open /* 4005 */ - PTR sys_close - PTR sys_waitpid - PTR sys_creat - PTR sys_link - PTR sys_unlink /* 4010 */ - PTR compat_sys_execve - PTR sys_chdir - PTR compat_sys_time - PTR sys_mknod - PTR sys_chmod /* 4015 */ - PTR sys_lchown - PTR sys_ni_syscall - PTR sys_ni_syscall /* was sys_stat */ - PTR sys_lseek - PTR sys_getpid /* 4020 */ - PTR compat_sys_mount - PTR sys_oldumount - PTR sys_setuid - PTR sys_getuid - PTR compat_sys_stime /* 4025 */ - PTR compat_sys_ptrace - PTR sys_alarm - PTR sys_ni_syscall /* was sys_fstat */ - PTR sys_pause - PTR compat_sys_utime /* 4030 */ - PTR sys_ni_syscall - PTR sys_ni_syscall - PTR sys_access - PTR sys_nice - PTR sys_ni_syscall /* 4035 */ - PTR sys_sync - PTR sys_kill - PTR sys_rename - PTR sys_mkdir - PTR sys_rmdir /* 4040 */ - PTR sys_dup - PTR sysm_pipe - PTR compat_sys_times - PTR sys_ni_syscall - PTR sys_brk /* 4045 */ - PTR sys_setgid - PTR sys_getgid - PTR sys_ni_syscall /* was signal 2 */ - PTR sys_geteuid - PTR sys_getegid /* 4050 */ - PTR sys_acct - PTR sys_umount - PTR sys_ni_syscall - PTR compat_sys_ioctl - PTR compat_sys_fcntl /* 4055 */ - PTR sys_ni_syscall - PTR sys_setpgid - PTR sys_ni_syscall - PTR sys_olduname - PTR sys_umask /* 4060 */ - PTR sys_chroot - PTR compat_sys_ustat - PTR sys_dup2 - PTR sys_getppid - PTR sys_getpgrp /* 4065 */ - PTR sys_setsid - PTR sys_32_sigaction - PTR sys_sgetmask - PTR sys_ssetmask - PTR sys_setreuid /* 4070 */ - PTR sys_setregid - PTR sys32_sigsuspend - PTR compat_sys_sigpending - PTR sys_sethostname - PTR compat_sys_setrlimit /* 4075 */ - PTR compat_sys_getrlimit - PTR compat_sys_getrusage - PTR compat_sys_gettimeofday - PTR compat_sys_settimeofday - PTR sys_getgroups /* 4080 */ - PTR sys_setgroups - PTR sys_ni_syscall /* old_select */ - PTR sys_symlink - PTR sys_ni_syscall /* was sys_lstat */ - PTR sys_readlink /* 4085 */ - PTR sys_uselib - PTR sys_swapon - PTR sys_reboot - PTR compat_sys_old_readdir - PTR sys_mips_mmap /* 4090 */ - PTR sys_munmap - PTR compat_sys_truncate - PTR compat_sys_ftruncate - PTR sys_fchmod - PTR sys_fchown /* 4095 */ - PTR sys_getpriority - PTR sys_setpriority - PTR sys_ni_syscall - PTR compat_sys_statfs - PTR compat_sys_fstatfs /* 4100 */ - PTR sys_ni_syscall /* sys_ioperm */ - PTR compat_sys_socketcall - PTR sys_syslog - PTR compat_sys_setitimer - PTR compat_sys_getitimer /* 4105 */ - PTR compat_sys_newstat - PTR compat_sys_newlstat - PTR compat_sys_newfstat - PTR sys_uname - PTR sys_ni_syscall /* sys_ioperm *//* 4110 */ - PTR sys_vhangup - PTR sys_ni_syscall /* was sys_idle */ - PTR sys_ni_syscall /* sys_vm86 */ - PTR compat_sys_wait4 - PTR sys_swapoff /* 4115 */ - PTR compat_sys_sysinfo - PTR compat_sys_ipc - PTR sys_fsync - PTR sys32_sigreturn - PTR __sys_clone /* 4120 */ - PTR sys_setdomainname - PTR sys_newuname - PTR sys_ni_syscall /* sys_modify_ldt */ - PTR compat_sys_adjtimex - PTR sys_mprotect /* 4125 */ - PTR compat_sys_sigprocmask - PTR sys_ni_syscall /* was creat_module */ - PTR sys_init_module - PTR sys_delete_module - PTR sys_ni_syscall /* 4130, get_kernel_syms */ - PTR sys_quotactl - PTR sys_getpgid - PTR sys_fchdir - PTR sys_bdflush - PTR sys_sysfs /* 4135 */ - PTR sys_32_personality - PTR sys_ni_syscall /* for afs_syscall */ - PTR sys_setfsuid - PTR sys_setfsgid - PTR sys_32_llseek /* 4140 */ - PTR compat_sys_getdents - PTR compat_sys_select - PTR sys_flock - PTR sys_msync - PTR compat_sys_readv /* 4145 */ - PTR compat_sys_writev - PTR sys_cacheflush - PTR sys_cachectl - PTR __sys_sysmips - PTR sys_ni_syscall /* 4150 */ - PTR sys_getsid - PTR sys_fdatasync - PTR compat_sys_sysctl - PTR sys_mlock - PTR sys_munlock /* 4155 */ - PTR sys_mlockall - PTR sys_munlockall - PTR sys_sched_setparam - PTR sys_sched_getparam - PTR sys_sched_setscheduler /* 4160 */ - PTR sys_sched_getscheduler - PTR sys_sched_yield - PTR sys_sched_get_priority_max - PTR sys_sched_get_priority_min - PTR compat_sys_sched_rr_get_interval /* 4165 */ - PTR compat_sys_nanosleep - PTR sys_mremap - PTR sys_accept - PTR sys_bind - PTR sys_connect /* 4170 */ - PTR sys_getpeername - PTR sys_getsockname - PTR compat_sys_getsockopt - PTR sys_listen - PTR compat_sys_recv /* 4175 */ - PTR compat_sys_recvfrom - PTR compat_sys_recvmsg - PTR sys_send - PTR compat_sys_sendmsg - PTR sys_sendto /* 4180 */ - PTR compat_sys_setsockopt - PTR sys_shutdown - PTR sys_socket - PTR sys_socketpair - PTR sys_setresuid /* 4185 */ - PTR sys_getresuid - PTR sys_ni_syscall /* was query_module */ - PTR sys_poll - PTR sys_ni_syscall /* was nfsservctl */ - PTR sys_setresgid /* 4190 */ - PTR sys_getresgid - PTR sys_prctl - PTR sys32_rt_sigreturn - PTR compat_sys_rt_sigaction - PTR compat_sys_rt_sigprocmask /* 4195 */ - PTR compat_sys_rt_sigpending - PTR compat_sys_rt_sigtimedwait - PTR compat_sys_rt_sigqueueinfo - PTR compat_sys_rt_sigsuspend - PTR sys_32_pread /* 4200 */ - PTR sys_32_pwrite - PTR sys_chown - PTR sys_getcwd - PTR sys_capget - PTR sys_capset /* 4205 */ - PTR compat_sys_sigaltstack - PTR compat_sys_sendfile - PTR sys_ni_syscall - PTR sys_ni_syscall - PTR sys_mips_mmap2 /* 4210 */ - PTR sys_32_truncate64 - PTR sys_32_ftruncate64 - PTR sys_newstat - PTR sys_newlstat - PTR sys_newfstat /* 4215 */ - PTR sys_pivot_root - PTR sys_mincore - PTR sys_madvise - PTR sys_getdents64 - PTR compat_sys_fcntl64 /* 4220 */ - PTR sys_ni_syscall - PTR sys_gettid - PTR sys32_readahead - PTR sys_setxattr - PTR sys_lsetxattr /* 4225 */ - PTR sys_fsetxattr - PTR sys_getxattr - PTR sys_lgetxattr - PTR sys_fgetxattr - PTR sys_listxattr /* 4230 */ - PTR sys_llistxattr - PTR sys_flistxattr - PTR sys_removexattr - PTR sys_lremovexattr - PTR sys_fremovexattr /* 4235 */ - PTR sys_tkill - PTR sys_sendfile64 - PTR compat_sys_futex - PTR compat_sys_sched_setaffinity - PTR compat_sys_sched_getaffinity /* 4240 */ - PTR compat_sys_io_setup - PTR sys_io_destroy - PTR compat_sys_io_getevents - PTR compat_sys_io_submit - PTR sys_io_cancel /* 4245 */ - PTR sys_exit_group - PTR compat_sys_lookup_dcookie - PTR sys_epoll_create - PTR sys_epoll_ctl - PTR sys_epoll_wait /* 4250 */ - PTR sys_remap_file_pages - PTR sys_set_tid_address - PTR sys_restart_syscall - PTR sys32_fadvise64_64 - PTR compat_sys_statfs64 /* 4255 */ - PTR compat_sys_fstatfs64 - PTR compat_sys_timer_create - PTR compat_sys_timer_settime - PTR compat_sys_timer_gettime - PTR sys_timer_getoverrun /* 4260 */ - PTR sys_timer_delete - PTR compat_sys_clock_settime - PTR compat_sys_clock_gettime - PTR compat_sys_clock_getres - PTR compat_sys_clock_nanosleep /* 4265 */ - PTR sys_tgkill - PTR compat_sys_utimes - PTR compat_sys_mbind - PTR compat_sys_get_mempolicy - PTR compat_sys_set_mempolicy /* 4270 */ - PTR compat_sys_mq_open - PTR sys_mq_unlink - PTR compat_sys_mq_timedsend - PTR compat_sys_mq_timedreceive - PTR compat_sys_mq_notify /* 4275 */ - PTR compat_sys_mq_getsetattr - PTR sys_ni_syscall /* sys_vserver */ - PTR compat_sys_waitid - PTR sys_ni_syscall /* available, was setaltroot */ - PTR sys_add_key /* 4280 */ - PTR sys_request_key - PTR compat_sys_keyctl - PTR sys_set_thread_area - PTR sys_inotify_init - PTR sys_inotify_add_watch /* 4285 */ - PTR sys_inotify_rm_watch - PTR compat_sys_migrate_pages - PTR compat_sys_openat - PTR sys_mkdirat - PTR sys_mknodat /* 4290 */ - PTR sys_fchownat - PTR compat_sys_futimesat - PTR sys_newfstatat - PTR sys_unlinkat - PTR sys_renameat /* 4295 */ - PTR sys_linkat - PTR sys_symlinkat - PTR sys_readlinkat - PTR sys_fchmodat - PTR sys_faccessat /* 4300 */ - PTR compat_sys_pselect6 - PTR compat_sys_ppoll - PTR sys_unshare - PTR sys_splice - PTR sys32_sync_file_range /* 4305 */ - PTR sys_tee - PTR compat_sys_vmsplice - PTR compat_sys_move_pages - PTR compat_sys_set_robust_list - PTR compat_sys_get_robust_list /* 4310 */ - PTR compat_sys_kexec_load - PTR sys_getcpu - PTR compat_sys_epoll_pwait - PTR sys_ioprio_set - PTR sys_ioprio_get /* 4315 */ - PTR compat_sys_utimensat - PTR compat_sys_signalfd - PTR sys_ni_syscall /* was timerfd */ - PTR sys_eventfd - PTR sys32_fallocate /* 4320 */ - PTR sys_timerfd_create - PTR compat_sys_timerfd_gettime - PTR compat_sys_timerfd_settime - PTR compat_sys_signalfd4 - PTR sys_eventfd2 /* 4325 */ - PTR sys_epoll_create1 - PTR sys_dup3 - PTR sys_pipe2 - PTR sys_inotify_init1 - PTR compat_sys_preadv /* 4330 */ - PTR compat_sys_pwritev - PTR compat_sys_rt_tgsigqueueinfo - PTR sys_perf_event_open - PTR sys_accept4 - PTR compat_sys_recvmmsg /* 4335 */ - PTR sys_fanotify_init - PTR compat_sys_fanotify_mark - PTR sys_prlimit64 - PTR sys_name_to_handle_at - PTR compat_sys_open_by_handle_at /* 4340 */ - PTR compat_sys_clock_adjtime - PTR sys_syncfs - PTR compat_sys_sendmmsg - PTR sys_setns - PTR compat_sys_process_vm_readv /* 4345 */ - PTR compat_sys_process_vm_writev - PTR sys_kcmp - PTR sys_finit_module - PTR sys_sched_setattr - PTR sys_sched_getattr /* 4350 */ - PTR sys_renameat2 - PTR sys_seccomp - PTR sys_getrandom - PTR sys_memfd_create - PTR sys_bpf /* 4355 */ - PTR compat_sys_execveat - PTR sys_userfaultfd - PTR sys_membarrier - PTR sys_mlock2 - PTR sys_copy_file_range /* 4360 */ - PTR compat_sys_preadv2 - PTR compat_sys_pwritev2 - PTR sys_pkey_mprotect - PTR sys_pkey_alloc - PTR sys_pkey_free /* 4365 */ - PTR sys_statx - PTR sys_rseq - PTR compat_sys_io_pgetevents - .size sys32_call_table,.-sys32_call_table +#include <asm/syscall_table_64_o32.h> +#undef __SYSCALL diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 109ed163a6a6..d3a23758592c 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -62,6 +62,8 @@ struct rt_sigframe { struct ucontext rs_uc; }; +#ifdef CONFIG_MIPS_FP_SUPPORT + /* * Thread saved context copy to/from a signal context presumed to be on the * user stack, and therefore accessed with appropriate macros from uaccess.h. @@ -104,6 +106,20 @@ static int copy_fp_from_sigcontext(void __user *sc) return err; } +#else /* !CONFIG_MIPS_FP_SUPPORT */ + +static int copy_fp_to_sigcontext(void __user *sc) +{ + return 0; +} + +static int copy_fp_from_sigcontext(void __user *sc) +{ + return 0; +} + +#endif /* !CONFIG_MIPS_FP_SUPPORT */ + /* * Wrappers for the assembly _{save,restore}_fp_context functions. */ @@ -142,6 +158,8 @@ static inline void __user *sc_to_extcontext(void __user *sc) return &uc->uc_extcontext; } +#ifdef CONFIG_CPU_HAS_MSA + static int save_msa_extcontext(void __user *buf) { struct msa_extcontext __user *msa = buf; @@ -195,9 +213,6 @@ static int restore_msa_extcontext(void __user *buf, unsigned int size) unsigned int csr; int i, err; - if (!IS_ENABLED(CONFIG_CPU_HAS_MSA)) - return SIGSYS; - if (size != sizeof(*msa)) return -EINVAL; @@ -234,6 +249,20 @@ static int restore_msa_extcontext(void __user *buf, unsigned int size) return err; } +#else /* !CONFIG_CPU_HAS_MSA */ + +static int save_msa_extcontext(void __user *buf) +{ + return 0; +} + +static int restore_msa_extcontext(void __user *buf, unsigned int size) +{ + return SIGSYS; +} + +#endif /* !CONFIG_CPU_HAS_MSA */ + static int save_extcontext(void __user *buf) { int sz; @@ -880,7 +909,7 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused, user_enter(); } -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_MIPS_FP_SUPPORT) static int smp_save_fp_context(void __user *sc) { return raw_cpu_has_fpu @@ -908,7 +937,7 @@ static int signal_setup(void) (offsetof(struct rt_sigframe, rs_uc.uc_extcontext) - offsetof(struct rt_sigframe, rs_uc.uc_mcontext))); -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) && defined(CONFIG_MIPS_FP_SUPPORT) /* For now just do the cpu_has_fpu check when the functions are invoked */ save_fp_context = smp_save_fp_context; restore_fp_context = smp_restore_fp_context; diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 69c17b549fd3..41a0db08cd37 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -106,6 +106,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) if (cpu_has_llsc && R10000_LLSC_WAR) { __asm__ __volatile__ ( + " .set push \n" " .set arch=r4000 \n" " li %[err], 0 \n" "1: ll %[old], (%[addr]) \n" @@ -122,7 +123,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) " "STR(PTR)" 1b, 4b \n" " "STR(PTR)" 2b, 4b \n" " .previous \n" - " .set mips0 \n" + " .set pop \n" : [old] "=&r" (old), [err] "=&r" (err), [tmp] "=&r" (tmp) @@ -132,6 +133,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) : "memory"); } else if (cpu_has_llsc) { __asm__ __volatile__ ( + " .set push \n" " .set "MIPS_ISA_ARCH_LEVEL" \n" " li %[err], 0 \n" "1: \n" @@ -150,7 +152,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) " "STR(PTR)" 1b, 5b \n" " "STR(PTR)" 2b, 5b \n" " .previous \n" - " .set mips0 \n" + " .set pop \n" : [old] "=&r" (old), [err] "=&r" (err), [tmp] "=&r" (tmp) diff --git a/arch/mips/kernel/syscalls/Makefile b/arch/mips/kernel/syscalls/Makefile new file mode 100644 index 000000000000..a3d4bec695c6 --- /dev/null +++ b/arch/mips/kernel/syscalls/Makefile @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: GPL-2.0 +kapi := arch/$(SRCARCH)/include/generated/asm +uapi := arch/$(SRCARCH)/include/generated/uapi/asm + +_dummy := $(shell [ -d '$(uapi)' ] || mkdir -p '$(uapi)') \ + $(shell [ -d '$(kapi)' ] || mkdir -p '$(kapi)') + +syscalln32 := $(srctree)/$(src)/syscall_n32.tbl +syscalln64 := $(srctree)/$(src)/syscall_n64.tbl +syscallo32 := $(srctree)/$(src)/syscall_o32.tbl +syshdr := $(srctree)/$(src)/syscallhdr.sh +sysnr := $(srctree)/$(src)/syscallnr.sh +systbl := $(srctree)/$(src)/syscalltbl.sh + +quiet_cmd_syshdr = SYSHDR $@ + cmd_syshdr = $(CONFIG_SHELL) '$(syshdr)' '$<' '$@' \ + '$(syshdr_abis_$(basetarget))' \ + '$(syshdr_pfx_$(basetarget))' \ + '$(syshdr_offset_$(basetarget))' + +quiet_cmd_sysnr = SYSNR $@ + cmd_sysnr = $(CONFIG_SHELL) '$(sysnr)' '$<' '$@' \ + '$(sysnr_abis_$(basetarget))' \ + '$(sysnr_pfx_$(basetarget))' \ + '$(sysnr_offset_$(basetarget))' + +quiet_cmd_systbl = SYSTBL $@ + cmd_systbl = $(CONFIG_SHELL) '$(systbl)' '$<' '$@' \ + '$(systbl_abis_$(basetarget))' \ + '$(systbl_abi_$(basetarget))' \ + '$(systbl_offset_$(basetarget))' + +syshdr_offset_unistd_n32 := __NR_Linux +$(uapi)/unistd_n32.h: $(syscalln32) $(syshdr) + $(call if_changed,syshdr) + +syshdr_offset_unistd_n64 := __NR_Linux +$(uapi)/unistd_n64.h: $(syscalln64) $(syshdr) + $(call if_changed,syshdr) + +syshdr_offset_unistd_o32 := __NR_Linux +$(uapi)/unistd_o32.h: $(syscallo32) $(syshdr) + $(call if_changed,syshdr) + +sysnr_pfx_unistd_nr_n32 := N32 +sysnr_offset_unistd_nr_n32 := 6000 +$(uapi)/unistd_nr_n32.h: $(syscalln32) $(sysnr) + $(call if_changed,sysnr) + +sysnr_pfx_unistd_nr_n64 := 64 +sysnr_offset_unistd_nr_n64 := 5000 +$(uapi)/unistd_nr_n64.h: $(syscalln64) $(sysnr) + $(call if_changed,sysnr) + +sysnr_pfx_unistd_nr_o32 := O32 +sysnr_offset_unistd_nr_o32 := 4000 +$(uapi)/unistd_nr_o32.h: $(syscallo32) $(sysnr) + $(call if_changed,sysnr) + +systbl_abi_syscall_table_32_o32 := 32_o32 +systbl_offset_syscall_table_32_o32 := 4000 +$(kapi)/syscall_table_32_o32.h: $(syscallo32) $(systbl) + $(call if_changed,systbl) + +systbl_abi_syscall_table_64_n32 := 64_n32 +systbl_offset_syscall_table_64_n32 := 6000 +$(kapi)/syscall_table_64_n32.h: $(syscalln32) $(systbl) + $(call if_changed,systbl) + +systbl_abi_syscall_table_64_n64 := 64_n64 +systbl_offset_syscall_table_64_n64 := 5000 +$(kapi)/syscall_table_64_n64.h: $(syscalln64) $(systbl) + $(call if_changed,systbl) + +systbl_abi_syscall_table_64_o32 := 64_o32 +systbl_offset_syscall_table_64_o32 := 4000 +$(kapi)/syscall_table_64_o32.h: $(syscallo32) $(systbl) + $(call if_changed,systbl) + +uapisyshdr-y += unistd_n32.h \ + unistd_n64.h \ + unistd_o32.h \ + unistd_nr_n32.h \ + unistd_nr_n64.h \ + unistd_nr_o32.h +kapisyshdr-y += syscall_table_32_o32.h \ + syscall_table_64_n32.h \ + syscall_table_64_n64.h \ + syscall_table_64_o32.h + +targets += $(uapisyshdr-y) $(kapisyshdr-y) + +PHONY += all +all: $(addprefix $(uapi)/,$(uapisyshdr-y)) +all: $(addprefix $(kapi)/,$(kapisyshdr-y)) + @: diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl new file mode 100644 index 000000000000..53d5862649ae --- /dev/null +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -0,0 +1,343 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# system call numbers and entry vectors for mips +# +# The format is: +# <number> <abi> <name> <entry point> <compat entry point> +# +# The <abi> is always "n32" for this file. +# +0 n32 read sys_read +1 n32 write sys_write +2 n32 open sys_open +3 n32 close sys_close +4 n32 stat sys_newstat +5 n32 fstat sys_newfstat +6 n32 lstat sys_newlstat +7 n32 poll sys_poll +8 n32 lseek sys_lseek +9 n32 mmap sys_mips_mmap +10 n32 mprotect sys_mprotect +11 n32 munmap sys_munmap +12 n32 brk sys_brk +13 n32 rt_sigaction compat_sys_rt_sigaction +14 n32 rt_sigprocmask compat_sys_rt_sigprocmask +15 n32 ioctl compat_sys_ioctl +16 n32 pread64 sys_pread64 +17 n32 pwrite64 sys_pwrite64 +18 n32 readv compat_sys_readv +19 n32 writev compat_sys_writev +20 n32 access sys_access +21 n32 pipe sysm_pipe +22 n32 _newselect compat_sys_select +23 n32 sched_yield sys_sched_yield +24 n32 mremap sys_mremap +25 n32 msync sys_msync +26 n32 mincore sys_mincore +27 n32 madvise sys_madvise +28 n32 shmget sys_shmget +29 n32 shmat sys_shmat +30 n32 shmctl compat_sys_shmctl +31 n32 dup sys_dup +32 n32 dup2 sys_dup2 +33 n32 pause sys_pause +34 n32 nanosleep compat_sys_nanosleep +35 n32 getitimer compat_sys_getitimer +36 n32 setitimer compat_sys_setitimer +37 n32 alarm sys_alarm +38 n32 getpid sys_getpid +39 n32 sendfile compat_sys_sendfile +40 n32 socket sys_socket +41 n32 connect sys_connect +42 n32 accept sys_accept +43 n32 sendto sys_sendto +44 n32 recvfrom compat_sys_recvfrom +45 n32 sendmsg compat_sys_sendmsg +46 n32 recvmsg compat_sys_recvmsg +47 n32 shutdown sys_shutdown +48 n32 bind sys_bind +49 n32 listen sys_listen +50 n32 getsockname sys_getsockname +51 n32 getpeername sys_getpeername +52 n32 socketpair sys_socketpair +53 n32 setsockopt compat_sys_setsockopt +54 n32 getsockopt compat_sys_getsockopt +55 n32 clone __sys_clone +56 n32 fork __sys_fork +57 n32 execve compat_sys_execve +58 n32 exit sys_exit +59 n32 wait4 compat_sys_wait4 +60 n32 kill sys_kill +61 n32 uname sys_newuname +62 n32 semget sys_semget +63 n32 semop sys_semop +64 n32 semctl compat_sys_semctl +65 n32 shmdt sys_shmdt +66 n32 msgget sys_msgget +67 n32 msgsnd compat_sys_msgsnd +68 n32 msgrcv compat_sys_msgrcv +69 n32 msgctl compat_sys_msgctl +70 n32 fcntl compat_sys_fcntl +71 n32 flock sys_flock +72 n32 fsync sys_fsync +73 n32 fdatasync sys_fdatasync +74 n32 truncate sys_truncate +75 n32 ftruncate sys_ftruncate +76 n32 getdents compat_sys_getdents +77 n32 getcwd sys_getcwd +78 n32 chdir sys_chdir +79 n32 fchdir sys_fchdir +80 n32 rename sys_rename +81 n32 mkdir sys_mkdir +82 n32 rmdir sys_rmdir +83 n32 creat sys_creat +84 n32 link sys_link +85 n32 unlink sys_unlink +86 n32 symlink sys_symlink +87 n32 readlink sys_readlink +88 n32 chmod sys_chmod +89 n32 fchmod sys_fchmod +90 n32 chown sys_chown +91 n32 fchown sys_fchown +92 n32 lchown sys_lchown +93 n32 umask sys_umask +94 n32 gettimeofday compat_sys_gettimeofday +95 n32 getrlimit compat_sys_getrlimit +96 n32 getrusage compat_sys_getrusage +97 n32 sysinfo compat_sys_sysinfo +98 n32 times compat_sys_times +99 n32 ptrace compat_sys_ptrace +100 n32 getuid sys_getuid +101 n32 syslog sys_syslog +102 n32 getgid sys_getgid +103 n32 setuid sys_setuid +104 n32 setgid sys_setgid +105 n32 geteuid sys_geteuid +106 n32 getegid sys_getegid +107 n32 setpgid sys_setpgid +108 n32 getppid sys_getppid +109 n32 getpgrp sys_getpgrp +110 n32 setsid sys_setsid +111 n32 setreuid sys_setreuid +112 n32 setregid sys_setregid +113 n32 getgroups sys_getgroups +114 n32 setgroups sys_setgroups +115 n32 setresuid sys_setresuid +116 n32 getresuid sys_getresuid +117 n32 setresgid sys_setresgid +118 n32 getresgid sys_getresgid +119 n32 getpgid sys_getpgid +120 n32 setfsuid sys_setfsuid +121 n32 setfsgid sys_setfsgid +122 n32 getsid sys_getsid +123 n32 capget sys_capget +124 n32 capset sys_capset +125 n32 rt_sigpending compat_sys_rt_sigpending +126 n32 rt_sigtimedwait compat_sys_rt_sigtimedwait +127 n32 rt_sigqueueinfo compat_sys_rt_sigqueueinfo +128 n32 rt_sigsuspend compat_sys_rt_sigsuspend +129 n32 sigaltstack compat_sys_sigaltstack +130 n32 utime compat_sys_utime +131 n32 mknod sys_mknod +132 n32 personality sys_32_personality +133 n32 ustat compat_sys_ustat +134 n32 statfs compat_sys_statfs +135 n32 fstatfs compat_sys_fstatfs +136 n32 sysfs sys_sysfs +137 n32 getpriority sys_getpriority +138 n32 setpriority sys_setpriority +139 n32 sched_setparam sys_sched_setparam +140 n32 sched_getparam sys_sched_getparam +141 n32 sched_setscheduler sys_sched_setscheduler +142 n32 sched_getscheduler sys_sched_getscheduler +143 n32 sched_get_priority_max sys_sched_get_priority_max +144 n32 sched_get_priority_min sys_sched_get_priority_min +145 n32 sched_rr_get_interval compat_sys_sched_rr_get_interval +146 n32 mlock sys_mlock +147 n32 munlock sys_munlock +148 n32 mlockall sys_mlockall +149 n32 munlockall sys_munlockall +150 n32 vhangup sys_vhangup +151 n32 pivot_root sys_pivot_root +152 n32 _sysctl compat_sys_sysctl +153 n32 prctl sys_prctl +154 n32 adjtimex compat_sys_adjtimex +155 n32 setrlimit compat_sys_setrlimit +156 n32 chroot sys_chroot +157 n32 sync sys_sync +158 n32 acct sys_acct +159 n32 settimeofday compat_sys_settimeofday +160 n32 mount compat_sys_mount +161 n32 umount2 sys_umount +162 n32 swapon sys_swapon +163 n32 swapoff sys_swapoff +164 n32 reboot sys_reboot +165 n32 sethostname sys_sethostname +166 n32 setdomainname sys_setdomainname +167 n32 create_module sys_ni_syscall +168 n32 init_module sys_init_module +169 n32 delete_module sys_delete_module +170 n32 get_kernel_syms sys_ni_syscall +171 n32 query_module sys_ni_syscall +172 n32 quotactl sys_quotactl +173 n32 nfsservctl sys_ni_syscall +174 n32 getpmsg sys_ni_syscall +175 n32 putpmsg sys_ni_syscall +176 n32 afs_syscall sys_ni_syscall +# 177 reserved for security +177 n32 reserved177 sys_ni_syscall +178 n32 gettid sys_gettid +179 n32 readahead sys_readahead +180 n32 setxattr sys_setxattr +181 n32 lsetxattr sys_lsetxattr +182 n32 fsetxattr sys_fsetxattr +183 n32 getxattr sys_getxattr +184 n32 lgetxattr sys_lgetxattr +185 n32 fgetxattr sys_fgetxattr +186 n32 listxattr sys_listxattr +187 n32 llistxattr sys_llistxattr +188 n32 flistxattr sys_flistxattr +189 n32 removexattr sys_removexattr +190 n32 lremovexattr sys_lremovexattr +191 n32 fremovexattr sys_fremovexattr +192 n32 tkill sys_tkill +193 n32 reserved193 sys_ni_syscall +194 n32 futex compat_sys_futex +195 n32 sched_setaffinity compat_sys_sched_setaffinity +196 n32 sched_getaffinity compat_sys_sched_getaffinity +197 n32 cacheflush sys_cacheflush +198 n32 cachectl sys_cachectl +199 n32 sysmips __sys_sysmips +200 n32 io_setup compat_sys_io_setup +201 n32 io_destroy sys_io_destroy +202 n32 io_getevents compat_sys_io_getevents +203 n32 io_submit compat_sys_io_submit +204 n32 io_cancel sys_io_cancel +205 n32 exit_group sys_exit_group +206 n32 lookup_dcookie sys_lookup_dcookie +207 n32 epoll_create sys_epoll_create +208 n32 epoll_ctl sys_epoll_ctl +209 n32 epoll_wait sys_epoll_wait +210 n32 remap_file_pages sys_remap_file_pages +211 n32 rt_sigreturn sysn32_rt_sigreturn +212 n32 fcntl64 compat_sys_fcntl64 +213 n32 set_tid_address sys_set_tid_address +214 n32 restart_syscall sys_restart_syscall +215 n32 semtimedop compat_sys_semtimedop +216 n32 fadvise64 sys_fadvise64_64 +217 n32 statfs64 compat_sys_statfs64 +218 n32 fstatfs64 compat_sys_fstatfs64 +219 n32 sendfile64 sys_sendfile64 +220 n32 timer_create compat_sys_timer_create +221 n32 timer_settime compat_sys_timer_settime +222 n32 timer_gettime compat_sys_timer_gettime +223 n32 timer_getoverrun sys_timer_getoverrun +224 n32 timer_delete sys_timer_delete +225 n32 clock_settime compat_sys_clock_settime +226 n32 clock_gettime compat_sys_clock_gettime +227 n32 clock_getres compat_sys_clock_getres +228 n32 clock_nanosleep compat_sys_clock_nanosleep +229 n32 tgkill sys_tgkill +230 n32 utimes compat_sys_utimes +231 n32 mbind compat_sys_mbind +232 n32 get_mempolicy compat_sys_get_mempolicy +233 n32 set_mempolicy compat_sys_set_mempolicy +234 n32 mq_open compat_sys_mq_open +235 n32 mq_unlink sys_mq_unlink +236 n32 mq_timedsend compat_sys_mq_timedsend +237 n32 mq_timedreceive compat_sys_mq_timedreceive +238 n32 mq_notify compat_sys_mq_notify +239 n32 mq_getsetattr compat_sys_mq_getsetattr +240 n32 vserver sys_ni_syscall +241 n32 waitid compat_sys_waitid +# 242 was sys_setaltroot +243 n32 add_key sys_add_key +244 n32 request_key sys_request_key +245 n32 keyctl compat_sys_keyctl +246 n32 set_thread_area sys_set_thread_area +247 n32 inotify_init sys_inotify_init +248 n32 inotify_add_watch sys_inotify_add_watch +249 n32 inotify_rm_watch sys_inotify_rm_watch +250 n32 migrate_pages compat_sys_migrate_pages +251 n32 openat sys_openat +252 n32 mkdirat sys_mkdirat +253 n32 mknodat sys_mknodat +254 n32 fchownat sys_fchownat +255 n32 futimesat compat_sys_futimesat +256 n32 newfstatat sys_newfstatat +257 n32 unlinkat sys_unlinkat +258 n32 renameat sys_renameat +259 n32 linkat sys_linkat +260 n32 symlinkat sys_symlinkat +261 n32 readlinkat sys_readlinkat +262 n32 fchmodat sys_fchmodat +263 n32 faccessat sys_faccessat +264 n32 pselect6 compat_sys_pselect6 +265 n32 ppoll compat_sys_ppoll +266 n32 unshare sys_unshare +267 n32 splice sys_splice +268 n32 sync_file_range sys_sync_file_range +269 n32 tee sys_tee +270 n32 vmsplice compat_sys_vmsplice +271 n32 move_pages compat_sys_move_pages +272 n32 set_robust_list compat_sys_set_robust_list +273 n32 get_robust_list compat_sys_get_robust_list +274 n32 kexec_load compat_sys_kexec_load +275 n32 getcpu sys_getcpu +276 n32 epoll_pwait compat_sys_epoll_pwait +277 n32 ioprio_set sys_ioprio_set +278 n32 ioprio_get sys_ioprio_get +279 n32 utimensat compat_sys_utimensat +280 n32 signalfd compat_sys_signalfd +281 n32 timerfd sys_ni_syscall +282 n32 eventfd sys_eventfd +283 n32 fallocate sys_fallocate +284 n32 timerfd_create sys_timerfd_create +285 n32 timerfd_gettime compat_sys_timerfd_gettime +286 n32 timerfd_settime compat_sys_timerfd_settime +287 n32 signalfd4 compat_sys_signalfd4 +288 n32 eventfd2 sys_eventfd2 +289 n32 epoll_create1 sys_epoll_create1 +290 n32 dup3 sys_dup3 +291 n32 pipe2 sys_pipe2 +292 n32 inotify_init1 sys_inotify_init1 +293 n32 preadv compat_sys_preadv +294 n32 pwritev compat_sys_pwritev +295 n32 rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo +296 n32 perf_event_open sys_perf_event_open +297 n32 accept4 sys_accept4 +298 n32 recvmmsg compat_sys_recvmmsg +299 n32 getdents64 sys_getdents64 +300 n32 fanotify_init sys_fanotify_init +301 n32 fanotify_mark sys_fanotify_mark +302 n32 prlimit64 sys_prlimit64 +303 n32 name_to_handle_at sys_name_to_handle_at +304 n32 open_by_handle_at sys_open_by_handle_at +305 n32 clock_adjtime compat_sys_clock_adjtime +306 n32 syncfs sys_syncfs +307 n32 sendmmsg compat_sys_sendmmsg +308 n32 setns sys_setns +309 n32 process_vm_readv compat_sys_process_vm_readv +310 n32 process_vm_writev compat_sys_process_vm_writev +311 n32 kcmp sys_kcmp +312 n32 finit_module sys_finit_module +313 n32 sched_setattr sys_sched_setattr +314 n32 sched_getattr sys_sched_getattr +315 n32 renameat2 sys_renameat2 +316 n32 seccomp sys_seccomp +317 n32 getrandom sys_getrandom +318 n32 memfd_create sys_memfd_create +319 n32 bpf sys_bpf +320 n32 execveat compat_sys_execveat +321 n32 userfaultfd sys_userfaultfd +322 n32 membarrier sys_membarrier +323 n32 mlock2 sys_mlock2 +324 n32 copy_file_range sys_copy_file_range +325 n32 preadv2 compat_sys_preadv2 +326 n32 pwritev2 compat_sys_pwritev2 +327 n32 pkey_mprotect sys_pkey_mprotect +328 n32 pkey_alloc sys_pkey_alloc +329 n32 pkey_free sys_pkey_free +330 n32 statx sys_statx +331 n32 rseq sys_rseq +332 n32 io_pgetevents compat_sys_io_pgetevents diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl new file mode 100644 index 000000000000..a8286ccbb66c --- /dev/null +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -0,0 +1,339 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# system call numbers and entry vectors for mips +# +# The format is: +# <number> <abi> <name> <entry point> +# +# The <abi> is always "n64" for this file. +# +0 n64 read sys_read +1 n64 write sys_write +2 n64 open sys_open +3 n64 close sys_close +4 n64 stat sys_newstat +5 n64 fstat sys_newfstat +6 n64 lstat sys_newlstat +7 n64 poll sys_poll +8 n64 lseek sys_lseek +9 n64 mmap sys_mips_mmap +10 n64 mprotect sys_mprotect +11 n64 munmap sys_munmap +12 n64 brk sys_brk +13 n64 rt_sigaction sys_rt_sigaction +14 n64 rt_sigprocmask sys_rt_sigprocmask +15 n64 ioctl sys_ioctl +16 n64 pread64 sys_pread64 +17 n64 pwrite64 sys_pwrite64 +18 n64 readv sys_readv +19 n64 writev sys_writev +20 n64 access sys_access +21 n64 pipe sysm_pipe +22 n64 _newselect sys_select +23 n64 sched_yield sys_sched_yield +24 n64 mremap sys_mremap +25 n64 msync sys_msync +26 n64 mincore sys_mincore +27 n64 madvise sys_madvise +28 n64 shmget sys_shmget +29 n64 shmat sys_shmat +30 n64 shmctl sys_shmctl +31 n64 dup sys_dup +32 n64 dup2 sys_dup2 +33 n64 pause sys_pause +34 n64 nanosleep sys_nanosleep +35 n64 getitimer sys_getitimer +36 n64 setitimer sys_setitimer +37 n64 alarm sys_alarm +38 n64 getpid sys_getpid +39 n64 sendfile sys_sendfile64 +40 n64 socket sys_socket +41 n64 connect sys_connect +42 n64 accept sys_accept +43 n64 sendto sys_sendto +44 n64 recvfrom sys_recvfrom +45 n64 sendmsg sys_sendmsg +46 n64 recvmsg sys_recvmsg +47 n64 shutdown sys_shutdown +48 n64 bind sys_bind +49 n64 listen sys_listen +50 n64 getsockname sys_getsockname +51 n64 getpeername sys_getpeername +52 n64 socketpair sys_socketpair +53 n64 setsockopt sys_setsockopt +54 n64 getsockopt sys_getsockopt +55 n64 clone __sys_clone +56 n64 fork __sys_fork +57 n64 execve sys_execve +58 n64 exit sys_exit +59 n64 wait4 sys_wait4 +60 n64 kill sys_kill +61 n64 uname sys_newuname +62 n64 semget sys_semget +63 n64 semop sys_semop +64 n64 semctl sys_semctl +65 n64 shmdt sys_shmdt +66 n64 msgget sys_msgget +67 n64 msgsnd sys_msgsnd +68 n64 msgrcv sys_msgrcv +69 n64 msgctl sys_msgctl +70 n64 fcntl sys_fcntl +71 n64 flock sys_flock +72 n64 fsync sys_fsync +73 n64 fdatasync sys_fdatasync +74 n64 truncate sys_truncate +75 n64 ftruncate sys_ftruncate +76 n64 getdents sys_getdents +77 n64 getcwd sys_getcwd +78 n64 chdir sys_chdir +79 n64 fchdir sys_fchdir +80 n64 rename sys_rename +81 n64 mkdir sys_mkdir +82 n64 rmdir sys_rmdir +83 n64 creat sys_creat +84 n64 link sys_link +85 n64 unlink sys_unlink +86 n64 symlink sys_symlink +87 n64 readlink sys_readlink +88 n64 chmod sys_chmod +89 n64 fchmod sys_fchmod +90 n64 chown sys_chown +91 n64 fchown sys_fchown +92 n64 lchown sys_lchown +93 n64 umask sys_umask +94 n64 gettimeofday sys_gettimeofday +95 n64 getrlimit sys_getrlimit +96 n64 getrusage sys_getrusage +97 n64 sysinfo sys_sysinfo +98 n64 times sys_times +99 n64 ptrace sys_ptrace +100 n64 getuid sys_getuid +101 n64 syslog sys_syslog +102 n64 getgid sys_getgid +103 n64 setuid sys_setuid +104 n64 setgid sys_setgid +105 n64 geteuid sys_geteuid +106 n64 getegid sys_getegid +107 n64 setpgid sys_setpgid +108 n64 getppid sys_getppid +109 n64 getpgrp sys_getpgrp +110 n64 setsid sys_setsid +111 n64 setreuid sys_setreuid +112 n64 setregid sys_setregid +113 n64 getgroups sys_getgroups +114 n64 setgroups sys_setgroups +115 n64 setresuid sys_setresuid +116 n64 getresuid sys_getresuid +117 n64 setresgid sys_setresgid +118 n64 getresgid sys_getresgid +119 n64 getpgid sys_getpgid +120 n64 setfsuid sys_setfsuid +121 n64 setfsgid sys_setfsgid +122 n64 getsid sys_getsid +123 n64 capget sys_capget +124 n64 capset sys_capset +125 n64 rt_sigpending sys_rt_sigpending +126 n64 rt_sigtimedwait sys_rt_sigtimedwait +127 n64 rt_sigqueueinfo sys_rt_sigqueueinfo +128 n64 rt_sigsuspend sys_rt_sigsuspend +129 n64 sigaltstack sys_sigaltstack +130 n64 utime sys_utime +131 n64 mknod sys_mknod +132 n64 personality sys_personality +133 n64 ustat sys_ustat +134 n64 statfs sys_statfs +135 n64 fstatfs sys_fstatfs +136 n64 sysfs sys_sysfs +137 n64 getpriority sys_getpriority +138 n64 setpriority sys_setpriority +139 n64 sched_setparam sys_sched_setparam +140 n64 sched_getparam sys_sched_getparam +141 n64 sched_setscheduler sys_sched_setscheduler +142 n64 sched_getscheduler sys_sched_getscheduler +143 n64 sched_get_priority_max sys_sched_get_priority_max +144 n64 sched_get_priority_min sys_sched_get_priority_min +145 n64 sched_rr_get_interval sys_sched_rr_get_interval +146 n64 mlock sys_mlock +147 n64 munlock sys_munlock +148 n64 mlockall sys_mlockall +149 n64 munlockall sys_munlockall +150 n64 vhangup sys_vhangup +151 n64 pivot_root sys_pivot_root +152 n64 _sysctl sys_sysctl +153 n64 prctl sys_prctl +154 n64 adjtimex sys_adjtimex +155 n64 setrlimit sys_setrlimit +156 n64 chroot sys_chroot +157 n64 sync sys_sync +158 n64 acct sys_acct +159 n64 settimeofday sys_settimeofday +160 n64 mount sys_mount +161 n64 umount2 sys_umount +162 n64 swapon sys_swapon +163 n64 swapoff sys_swapoff +164 n64 reboot sys_reboot +165 n64 sethostname sys_sethostname +166 n64 setdomainname sys_setdomainname +167 n64 create_module sys_ni_syscall +168 n64 init_module sys_init_module +169 n64 delete_module sys_delete_module +170 n64 get_kernel_syms sys_ni_syscall +171 n64 query_module sys_ni_syscall +172 n64 quotactl sys_quotactl +173 n64 nfsservctl sys_ni_syscall +174 n64 getpmsg sys_ni_syscall +175 n64 putpmsg sys_ni_syscall +176 n64 afs_syscall sys_ni_syscall +# 177 reserved for security +177 n64 reserved177 sys_ni_syscall +178 n64 gettid sys_gettid +179 n64 readahead sys_readahead +180 n64 setxattr sys_setxattr +181 n64 lsetxattr sys_lsetxattr +182 n64 fsetxattr sys_fsetxattr +183 n64 getxattr sys_getxattr +184 n64 lgetxattr sys_lgetxattr +185 n64 fgetxattr sys_fgetxattr +186 n64 listxattr sys_listxattr +187 n64 llistxattr sys_llistxattr +188 n64 flistxattr sys_flistxattr +189 n64 removexattr sys_removexattr +190 n64 lremovexattr sys_lremovexattr +191 n64 fremovexattr sys_fremovexattr +192 n64 tkill sys_tkill +193 n64 reserved193 sys_ni_syscall +194 n64 futex sys_futex +195 n64 sched_setaffinity sys_sched_setaffinity +196 n64 sched_getaffinity sys_sched_getaffinity +197 n64 cacheflush sys_cacheflush +198 n64 cachectl sys_cachectl +199 n64 sysmips __sys_sysmips +200 n64 io_setup sys_io_setup +201 n64 io_destroy sys_io_destroy +202 n64 io_getevents sys_io_getevents +203 n64 io_submit sys_io_submit +204 n64 io_cancel sys_io_cancel +205 n64 exit_group sys_exit_group +206 n64 lookup_dcookie sys_lookup_dcookie +207 n64 epoll_create sys_epoll_create +208 n64 epoll_ctl sys_epoll_ctl +209 n64 epoll_wait sys_epoll_wait +210 n64 remap_file_pages sys_remap_file_pages +211 n64 rt_sigreturn sys_rt_sigreturn +212 n64 set_tid_address sys_set_tid_address +213 n64 restart_syscall sys_restart_syscall +214 n64 semtimedop sys_semtimedop +215 n64 fadvise64 sys_fadvise64_64 +216 n64 timer_create sys_timer_create +217 n64 timer_settime sys_timer_settime +218 n64 timer_gettime sys_timer_gettime +219 n64 timer_getoverrun sys_timer_getoverrun +220 n64 timer_delete sys_timer_delete +221 n64 clock_settime sys_clock_settime +222 n64 clock_gettime sys_clock_gettime +223 n64 clock_getres sys_clock_getres +224 n64 clock_nanosleep sys_clock_nanosleep +225 n64 tgkill sys_tgkill +226 n64 utimes sys_utimes +227 n64 mbind sys_mbind +228 n64 get_mempolicy sys_get_mempolicy +229 n64 set_mempolicy sys_set_mempolicy +230 n64 mq_open sys_mq_open +231 n64 mq_unlink sys_mq_unlink +232 n64 mq_timedsend sys_mq_timedsend +233 n64 mq_timedreceive sys_mq_timedreceive +234 n64 mq_notify sys_mq_notify +235 n64 mq_getsetattr sys_mq_getsetattr +236 n64 vserver sys_ni_syscall +237 n64 waitid sys_waitid +# 238 was sys_setaltroot +239 n64 add_key sys_add_key +240 n64 request_key sys_request_key +241 n64 keyctl sys_keyctl +242 n64 set_thread_area sys_set_thread_area +243 n64 inotify_init sys_inotify_init +244 n64 inotify_add_watch sys_inotify_add_watch +245 n64 inotify_rm_watch sys_inotify_rm_watch +246 n64 migrate_pages sys_migrate_pages +247 n64 openat sys_openat +248 n64 mkdirat sys_mkdirat +249 n64 mknodat sys_mknodat +250 n64 fchownat sys_fchownat +251 n64 futimesat sys_futimesat +252 n64 newfstatat sys_newfstatat +253 n64 unlinkat sys_unlinkat +254 n64 renameat sys_renameat +255 n64 linkat sys_linkat +256 n64 symlinkat sys_symlinkat +257 n64 readlinkat sys_readlinkat +258 n64 fchmodat sys_fchmodat +259 n64 faccessat sys_faccessat +260 n64 pselect6 sys_pselect6 +261 n64 ppoll sys_ppoll +262 n64 unshare sys_unshare +263 n64 splice sys_splice +264 n64 sync_file_range sys_sync_file_range +265 n64 tee sys_tee +266 n64 vmsplice sys_vmsplice +267 n64 move_pages sys_move_pages +268 n64 set_robust_list sys_set_robust_list +269 n64 get_robust_list sys_get_robust_list +270 n64 kexec_load sys_kexec_load +271 n64 getcpu sys_getcpu +272 n64 epoll_pwait sys_epoll_pwait +273 n64 ioprio_set sys_ioprio_set +274 n64 ioprio_get sys_ioprio_get +275 n64 utimensat sys_utimensat +276 n64 signalfd sys_signalfd +277 n64 timerfd sys_ni_syscall +278 n64 eventfd sys_eventfd +279 n64 fallocate sys_fallocate +280 n64 timerfd_create sys_timerfd_create +281 n64 timerfd_gettime sys_timerfd_gettime +282 n64 timerfd_settime sys_timerfd_settime +283 n64 signalfd4 sys_signalfd4 +284 n64 eventfd2 sys_eventfd2 +285 n64 epoll_create1 sys_epoll_create1 +286 n64 dup3 sys_dup3 +287 n64 pipe2 sys_pipe2 +288 n64 inotify_init1 sys_inotify_init1 +289 n64 preadv sys_preadv +290 n64 pwritev sys_pwritev +291 n64 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo +292 n64 perf_event_open sys_perf_event_open +293 n64 accept4 sys_accept4 +294 n64 recvmmsg sys_recvmmsg +295 n64 fanotify_init sys_fanotify_init +296 n64 fanotify_mark sys_fanotify_mark +297 n64 prlimit64 sys_prlimit64 +298 n64 name_to_handle_at sys_name_to_handle_at +299 n64 open_by_handle_at sys_open_by_handle_at +300 n64 clock_adjtime sys_clock_adjtime +301 n64 syncfs sys_syncfs +302 n64 sendmmsg sys_sendmmsg +303 n64 setns sys_setns +304 n64 process_vm_readv sys_process_vm_readv +305 n64 process_vm_writev sys_process_vm_writev +306 n64 kcmp sys_kcmp +307 n64 finit_module sys_finit_module +308 n64 getdents64 sys_getdents64 +309 n64 sched_setattr sys_sched_setattr +310 n64 sched_getattr sys_sched_getattr +311 n64 renameat2 sys_renameat2 +312 n64 seccomp sys_seccomp +313 n64 getrandom sys_getrandom +314 n64 memfd_create sys_memfd_create +315 n64 bpf sys_bpf +316 n64 execveat sys_execveat +317 n64 userfaultfd sys_userfaultfd +318 n64 membarrier sys_membarrier +319 n64 mlock2 sys_mlock2 +320 n64 copy_file_range sys_copy_file_range +321 n64 preadv2 sys_preadv2 +322 n64 pwritev2 sys_pwritev2 +323 n64 pkey_mprotect sys_pkey_mprotect +324 n64 pkey_alloc sys_pkey_alloc +325 n64 pkey_free sys_pkey_free +326 n64 statx sys_statx +327 n64 rseq sys_rseq +328 n64 io_pgetevents sys_io_pgetevents diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl new file mode 100644 index 000000000000..3d5a47b80d2b --- /dev/null +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -0,0 +1,382 @@ +# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note +# +# system call numbers and entry vectors for mips +# +# The format is: +# <number> <abi> <name> <entry point> <compat entry point> +# +# The <abi> is always "o32" for this file. +# +0 o32 syscall sys_syscall sys32_syscall +1 o32 exit sys_exit +2 o32 fork __sys_fork +3 o32 read sys_read +4 o32 write sys_write +5 o32 open sys_open compat_sys_open +6 o32 close sys_close +7 o32 waitpid sys_waitpid +8 o32 creat sys_creat +9 o32 link sys_link +10 o32 unlink sys_unlink +11 o32 execve sys_execve compat_sys_execve +12 o32 chdir sys_chdir +13 o32 time sys_time compat_sys_time +14 o32 mknod sys_mknod +15 o32 chmod sys_chmod +16 o32 lchown sys_lchown +17 o32 break sys_ni_syscall +# 18 was sys_stat +18 o32 unused18 sys_ni_syscall +19 o32 lseek sys_lseek +20 o32 getpid sys_getpid +21 o32 mount sys_mount compat_sys_mount +22 o32 umount sys_oldumount +23 o32 setuid sys_setuid +24 o32 getuid sys_getuid +25 o32 stime sys_stime compat_sys_stime +26 o32 ptrace sys_ptrace compat_sys_ptrace +27 o32 alarm sys_alarm +# 28 was sys_fstat +28 o32 unused28 sys_ni_syscall +29 o32 pause sys_pause +30 o32 utime sys_utime compat_sys_utime +31 o32 stty sys_ni_syscall +32 o32 gtty sys_ni_syscall +33 o32 access sys_access +34 o32 nice sys_nice +35 o32 ftime sys_ni_syscall +36 o32 sync sys_sync +37 o32 kill sys_kill +38 o32 rename sys_rename +39 o32 mkdir sys_mkdir +40 o32 rmdir sys_rmdir +41 o32 dup sys_dup +42 o32 pipe sysm_pipe +43 o32 times sys_times compat_sys_times +44 o32 prof sys_ni_syscall +45 o32 brk sys_brk +46 o32 setgid sys_setgid +47 o32 getgid sys_getgid +48 o32 signal sys_ni_syscall +49 o32 geteuid sys_geteuid +50 o32 getegid sys_getegid +51 o32 acct sys_acct +52 o32 umount2 sys_umount +53 o32 lock sys_ni_syscall +54 o32 ioctl sys_ioctl compat_sys_ioctl +55 o32 fcntl sys_fcntl compat_sys_fcntl +56 o32 mpx sys_ni_syscall +57 o32 setpgid sys_setpgid +58 o32 ulimit sys_ni_syscall +59 o32 unused59 sys_olduname +60 o32 umask sys_umask +61 o32 chroot sys_chroot +62 o32 ustat sys_ustat compat_sys_ustat +63 o32 dup2 sys_dup2 +64 o32 getppid sys_getppid +65 o32 getpgrp sys_getpgrp +66 o32 setsid sys_setsid +67 o32 sigaction sys_sigaction sys_32_sigaction +68 o32 sgetmask sys_sgetmask +69 o32 ssetmask sys_ssetmask +70 o32 setreuid sys_setreuid +71 o32 setregid sys_setregid +72 o32 sigsuspend sys_sigsuspend sys32_sigsuspend +73 o32 sigpending sys_sigpending compat_sys_sigpending +74 o32 sethostname sys_sethostname +75 o32 setrlimit sys_setrlimit compat_sys_setrlimit +76 o32 getrlimit sys_getrlimit compat_sys_getrlimit +77 o32 getrusage sys_getrusage compat_sys_getrusage +78 o32 gettimeofday sys_gettimeofday compat_sys_gettimeofday +79 o32 settimeofday sys_settimeofday compat_sys_settimeofday +80 o32 getgroups sys_getgroups +81 o32 setgroups sys_setgroups +# 82 was old_select +82 o32 reserved82 sys_ni_syscall +83 o32 symlink sys_symlink +# 84 was sys_lstat +84 o32 unused84 sys_ni_syscall +85 o32 readlink sys_readlink +86 o32 uselib sys_uselib +87 o32 swapon sys_swapon +88 o32 reboot sys_reboot +89 o32 readdir sys_old_readdir compat_sys_old_readdir +90 o32 mmap sys_mips_mmap +91 o32 munmap sys_munmap +92 o32 truncate sys_truncate compat_sys_truncate +93 o32 ftruncate sys_ftruncate compat_sys_ftruncate +94 o32 fchmod sys_fchmod +95 o32 fchown sys_fchown +96 o32 getpriority sys_getpriority +97 o32 setpriority sys_setpriority +98 o32 profil sys_ni_syscall +99 o32 statfs sys_statfs compat_sys_statfs +100 o32 fstatfs sys_fstatfs compat_sys_fstatfs +101 o32 ioperm sys_ni_syscall +102 o32 socketcall sys_socketcall compat_sys_socketcall +103 o32 syslog sys_syslog +104 o32 setitimer sys_setitimer compat_sys_setitimer +105 o32 getitimer sys_getitimer compat_sys_getitimer +106 o32 stat sys_newstat compat_sys_newstat +107 o32 lstat sys_newlstat compat_sys_newlstat +108 o32 fstat sys_newfstat compat_sys_newfstat +109 o32 unused109 sys_uname +110 o32 iopl sys_ni_syscall +111 o32 vhangup sys_vhangup +112 o32 idle sys_ni_syscall +113 o32 vm86 sys_ni_syscall +114 o32 wait4 sys_wait4 compat_sys_wait4 +115 o32 swapoff sys_swapoff +116 o32 sysinfo sys_sysinfo compat_sys_sysinfo +117 o32 ipc sys_ipc compat_sys_ipc +118 o32 fsync sys_fsync +119 o32 sigreturn sys_sigreturn sys32_sigreturn +120 o32 clone __sys_clone +121 o32 setdomainname sys_setdomainname +122 o32 uname sys_newuname +123 o32 modify_ldt sys_ni_syscall +124 o32 adjtimex sys_adjtimex compat_sys_adjtimex +125 o32 mprotect sys_mprotect +126 o32 sigprocmask sys_sigprocmask compat_sys_sigprocmask +127 o32 create_module sys_ni_syscall +128 o32 init_module sys_init_module +129 o32 delete_module sys_delete_module +130 o32 get_kernel_syms sys_ni_syscall +131 o32 quotactl sys_quotactl +132 o32 getpgid sys_getpgid +133 o32 fchdir sys_fchdir +134 o32 bdflush sys_bdflush +135 o32 sysfs sys_sysfs +136 o32 personality sys_personality sys_32_personality +137 o32 afs_syscall sys_ni_syscall +138 o32 setfsuid sys_setfsuid +139 o32 setfsgid sys_setfsgid +140 o32 _llseek sys_llseek sys_32_llseek +141 o32 getdents sys_getdents compat_sys_getdents +142 o32 _newselect sys_select compat_sys_select +143 o32 flock sys_flock +144 o32 msync sys_msync +145 o32 readv sys_readv compat_sys_readv +146 o32 writev sys_writev compat_sys_writev +147 o32 cacheflush sys_cacheflush +148 o32 cachectl sys_cachectl +149 o32 sysmips __sys_sysmips +150 o32 unused150 sys_ni_syscall +151 o32 getsid sys_getsid +152 o32 fdatasync sys_fdatasync +153 o32 _sysctl sys_sysctl compat_sys_sysctl +154 o32 mlock sys_mlock +155 o32 munlock sys_munlock +156 o32 mlockall sys_mlockall +157 o32 munlockall sys_munlockall +158 o32 sched_setparam sys_sched_setparam +159 o32 sched_getparam sys_sched_getparam +160 o32 sched_setscheduler sys_sched_setscheduler +161 o32 sched_getscheduler sys_sched_getscheduler +162 o32 sched_yield sys_sched_yield +163 o32 sched_get_priority_max sys_sched_get_priority_max +164 o32 sched_get_priority_min sys_sched_get_priority_min +165 o32 sched_rr_get_interval sys_sched_rr_get_interval compat_sys_sched_rr_get_interval +166 o32 nanosleep sys_nanosleep compat_sys_nanosleep +167 o32 mremap sys_mremap +168 o32 accept sys_accept +169 o32 bind sys_bind +170 o32 connect sys_connect +171 o32 getpeername sys_getpeername +172 o32 getsockname sys_getsockname +173 o32 getsockopt sys_getsockopt compat_sys_getsockopt +174 o32 listen sys_listen +175 o32 recv sys_recv compat_sys_recv +176 o32 recvfrom sys_recvfrom compat_sys_recvfrom +177 o32 recvmsg sys_recvmsg compat_sys_recvmsg +178 o32 send sys_send +179 o32 sendmsg sys_sendmsg compat_sys_sendmsg +180 o32 sendto sys_sendto +181 o32 setsockopt sys_setsockopt compat_sys_setsockopt +182 o32 shutdown sys_shutdown +183 o32 socket sys_socket +184 o32 socketpair sys_socketpair +185 o32 setresuid sys_setresuid +186 o32 getresuid sys_getresuid +187 o32 query_module sys_ni_syscall +188 o32 poll sys_poll +189 o32 nfsservctl sys_ni_syscall +190 o32 setresgid sys_setresgid +191 o32 getresgid sys_getresgid +192 o32 prctl sys_prctl +193 o32 rt_sigreturn sys_rt_sigreturn sys32_rt_sigreturn +194 o32 rt_sigaction sys_rt_sigaction compat_sys_rt_sigaction +195 o32 rt_sigprocmask sys_rt_sigprocmask compat_sys_rt_sigprocmask +196 o32 rt_sigpending sys_rt_sigpending compat_sys_rt_sigpending +197 o32 rt_sigtimedwait sys_rt_sigtimedwait compat_sys_rt_sigtimedwait +198 o32 rt_sigqueueinfo sys_rt_sigqueueinfo compat_sys_rt_sigqueueinfo +199 o32 rt_sigsuspend sys_rt_sigsuspend compat_sys_rt_sigsuspend +200 o32 pread64 sys_pread64 sys_32_pread +201 o32 pwrite64 sys_pwrite64 sys_32_pwrite +202 o32 chown sys_chown +203 o32 getcwd sys_getcwd +204 o32 capget sys_capget +205 o32 capset sys_capset +206 o32 sigaltstack sys_sigaltstack compat_sys_sigaltstack +207 o32 sendfile sys_sendfile compat_sys_sendfile +208 o32 getpmsg sys_ni_syscall +209 o32 putpmsg sys_ni_syscall +210 o32 mmap2 sys_mips_mmap2 +211 o32 truncate64 sys_truncate64 sys_32_truncate64 +212 o32 ftruncate64 sys_ftruncate64 sys_32_ftruncate64 +213 o32 stat64 sys_stat64 sys_newstat +214 o32 lstat64 sys_lstat64 sys_newlstat +215 o32 fstat64 sys_fstat64 sys_newfstat +216 o32 pivot_root sys_pivot_root +217 o32 mincore sys_mincore +218 o32 madvise sys_madvise +219 o32 getdents64 sys_getdents64 +220 o32 fcntl64 sys_fcntl64 compat_sys_fcntl64 +221 o32 reserved221 sys_ni_syscall +222 o32 gettid sys_gettid +223 o32 readahead sys_readahead sys32_readahead +224 o32 setxattr sys_setxattr +225 o32 lsetxattr sys_lsetxattr +226 o32 fsetxattr sys_fsetxattr +227 o32 getxattr sys_getxattr +228 o32 lgetxattr sys_lgetxattr +229 o32 fgetxattr sys_fgetxattr +230 o32 listxattr sys_listxattr +231 o32 llistxattr sys_llistxattr +232 o32 flistxattr sys_flistxattr +233 o32 removexattr sys_removexattr +234 o32 lremovexattr sys_lremovexattr +235 o32 fremovexattr sys_fremovexattr +236 o32 tkill sys_tkill +237 o32 sendfile64 sys_sendfile64 +238 o32 futex sys_futex compat_sys_futex +239 o32 sched_setaffinity sys_sched_setaffinity compat_sys_sched_setaffinity +240 o32 sched_getaffinity sys_sched_getaffinity compat_sys_sched_getaffinity +241 o32 io_setup sys_io_setup compat_sys_io_setup +242 o32 io_destroy sys_io_destroy +243 o32 io_getevents sys_io_getevents compat_sys_io_getevents +244 o32 io_submit sys_io_submit compat_sys_io_submit +245 o32 io_cancel sys_io_cancel +246 o32 exit_group sys_exit_group +247 o32 lookup_dcookie sys_lookup_dcookie compat_sys_lookup_dcookie +248 o32 epoll_create sys_epoll_create +249 o32 epoll_ctl sys_epoll_ctl +250 o32 epoll_wait sys_epoll_wait +251 o32 remap_file_pages sys_remap_file_pages +252 o32 set_tid_address sys_set_tid_address +253 o32 restart_syscall sys_restart_syscall +254 o32 fadvise64 sys_fadvise64_64 sys32_fadvise64_64 +255 o32 statfs64 sys_statfs64 compat_sys_statfs64 +256 o32 fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 +257 o32 timer_create sys_timer_create compat_sys_timer_create +258 o32 timer_settime sys_timer_settime compat_sys_timer_settime +259 o32 timer_gettime sys_timer_gettime compat_sys_timer_gettime +260 o32 timer_getoverrun sys_timer_getoverrun +261 o32 timer_delete sys_timer_delete +262 o32 clock_settime sys_clock_settime compat_sys_clock_settime +263 o32 clock_gettime sys_clock_gettime compat_sys_clock_gettime +264 o32 clock_getres sys_clock_getres compat_sys_clock_getres +265 o32 clock_nanosleep sys_clock_nanosleep compat_sys_clock_nanosleep +266 o32 tgkill sys_tgkill +267 o32 utimes sys_utimes compat_sys_utimes +268 o32 mbind sys_mbind compat_sys_mbind +269 o32 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy +270 o32 set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +271 o32 mq_open sys_mq_open compat_sys_mq_open +272 o32 mq_unlink sys_mq_unlink +273 o32 mq_timedsend sys_mq_timedsend compat_sys_mq_timedsend +274 o32 mq_timedreceive sys_mq_timedreceive compat_sys_mq_timedreceive +275 o32 mq_notify sys_mq_notify compat_sys_mq_notify +276 o32 mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr +277 o32 vserver sys_ni_syscall +278 o32 waitid sys_waitid compat_sys_waitid +# 279 was sys_setaltroot +280 o32 add_key sys_add_key +281 o32 request_key sys_request_key +282 o32 keyctl sys_keyctl compat_sys_keyctl +283 o32 set_thread_area sys_set_thread_area +284 o32 inotify_init sys_inotify_init +285 o32 inotify_add_watch sys_inotify_add_watch +286 o32 inotify_rm_watch sys_inotify_rm_watch +287 o32 migrate_pages sys_migrate_pages compat_sys_migrate_pages +288 o32 openat sys_openat compat_sys_openat +289 o32 mkdirat sys_mkdirat +290 o32 mknodat sys_mknodat +291 o32 fchownat sys_fchownat +292 o32 futimesat sys_futimesat compat_sys_futimesat +293 o32 fstatat64 sys_fstatat64 sys_newfstatat +294 o32 unlinkat sys_unlinkat +295 o32 renameat sys_renameat +296 o32 linkat sys_linkat +297 o32 symlinkat sys_symlinkat +298 o32 readlinkat sys_readlinkat +299 o32 fchmodat sys_fchmodat +300 o32 faccessat sys_faccessat +301 o32 pselect6 sys_pselect6 compat_sys_pselect6 +302 o32 ppoll sys_ppoll compat_sys_ppoll +303 o32 unshare sys_unshare +304 o32 splice sys_splice +305 o32 sync_file_range sys_sync_file_range sys32_sync_file_range +306 o32 tee sys_tee +307 o32 vmsplice sys_vmsplice compat_sys_vmsplice +308 o32 move_pages sys_move_pages compat_sys_move_pages +309 o32 set_robust_list sys_set_robust_list compat_sys_set_robust_list +310 o32 get_robust_list sys_get_robust_list compat_sys_get_robust_list +311 o32 kexec_load sys_kexec_load compat_sys_kexec_load +312 o32 getcpu sys_getcpu +313 o32 epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait +314 o32 ioprio_set sys_ioprio_set +315 o32 ioprio_get sys_ioprio_get +316 o32 utimensat sys_utimensat compat_sys_utimensat +317 o32 signalfd sys_signalfd compat_sys_signalfd +318 o32 timerfd sys_ni_syscall +319 o32 eventfd sys_eventfd +320 o32 fallocate sys_fallocate sys32_fallocate +321 o32 timerfd_create sys_timerfd_create +322 o32 timerfd_gettime sys_timerfd_gettime compat_sys_timerfd_gettime +323 o32 timerfd_settime sys_timerfd_settime compat_sys_timerfd_settime +324 o32 signalfd4 sys_signalfd4 compat_sys_signalfd4 +325 o32 eventfd2 sys_eventfd2 +326 o32 epoll_create1 sys_epoll_create1 +327 o32 dup3 sys_dup3 +328 o32 pipe2 sys_pipe2 +329 o32 inotify_init1 sys_inotify_init1 +330 o32 preadv sys_preadv compat_sys_preadv +331 o32 pwritev sys_pwritev compat_sys_pwritev +332 o32 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo +333 o32 perf_event_open sys_perf_event_open +334 o32 accept4 sys_accept4 +335 o32 recvmmsg sys_recvmmsg compat_sys_recvmmsg +336 o32 fanotify_init sys_fanotify_init +337 o32 fanotify_mark sys_fanotify_mark compat_sys_fanotify_mark +338 o32 prlimit64 sys_prlimit64 +339 o32 name_to_handle_at sys_name_to_handle_at +340 o32 open_by_handle_at sys_open_by_handle_at compat_sys_open_by_handle_at +341 o32 clock_adjtime sys_clock_adjtime compat_sys_clock_adjtime +342 o32 syncfs sys_syncfs +343 o32 sendmmsg sys_sendmmsg compat_sys_sendmmsg +344 o32 setns sys_setns +345 o32 process_vm_readv sys_process_vm_readv compat_sys_process_vm_readv +346 o32 process_vm_writev sys_process_vm_writev compat_sys_process_vm_writev +347 o32 kcmp sys_kcmp +348 o32 finit_module sys_finit_module +349 o32 sched_setattr sys_sched_setattr +350 o32 sched_getattr sys_sched_getattr +351 o32 renameat2 sys_renameat2 +352 o32 seccomp sys_seccomp +353 o32 getrandom sys_getrandom +354 o32 memfd_create sys_memfd_create +355 o32 bpf sys_bpf +356 o32 execveat sys_execveat compat_sys_execveat +357 o32 userfaultfd sys_userfaultfd +358 o32 membarrier sys_membarrier +359 o32 mlock2 sys_mlock2 +360 o32 copy_file_range sys_copy_file_range +361 o32 preadv2 sys_preadv2 compat_sys_preadv2 +362 o32 pwritev2 sys_pwritev2 compat_sys_pwritev2 +363 o32 pkey_mprotect sys_pkey_mprotect +364 o32 pkey_alloc sys_pkey_alloc +365 o32 pkey_free sys_pkey_free +366 o32 statx sys_statx +367 o32 rseq sys_rseq +368 o32 io_pgetevents sys_io_pgetevents compat_sys_io_pgetevents diff --git a/arch/mips/kernel/syscalls/syscallhdr.sh b/arch/mips/kernel/syscalls/syscallhdr.sh new file mode 100644 index 000000000000..d2bcfa8f4d1a --- /dev/null +++ b/arch/mips/kernel/syscalls/syscallhdr.sh @@ -0,0 +1,37 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +in="$1" +out="$2" +my_abis=`echo "($3)" | tr ',' '|'` +prefix="$4" +offset="$5" + +fileguard=_UAPI_ASM_MIPS_`basename "$out" | sed \ + -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ + -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` +grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( + printf "#ifndef %s\n" "${fileguard}" + printf "#define %s\n" "${fileguard}" + printf "\n" + + nxt=0 + while read nr abi name entry compat ; do + if [ -z "$offset" ]; then + printf "#define __NR_%s%s\t%s\n" \ + "${prefix}" "${name}" "${nr}" + else + printf "#define __NR_%s%s\t(%s + %s)\n" \ + "${prefix}" "${name}" "${offset}" "${nr}" + fi + nxt=$((nr+1)) + done + + printf "\n" + printf "#ifdef __KERNEL__\n" + printf "#define __NR_syscalls\t%s\n" "${nxt}" + printf "#endif\n" + printf "\n" + printf "#endif /* %s */" "${fileguard}" + printf "\n" +) > "$out" diff --git a/arch/mips/kernel/syscalls/syscallnr.sh b/arch/mips/kernel/syscalls/syscallnr.sh new file mode 100644 index 000000000000..60bbdb3fe03a --- /dev/null +++ b/arch/mips/kernel/syscalls/syscallnr.sh @@ -0,0 +1,28 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +in="$1" +out="$2" +my_abis=`echo "($3)" | tr ',' '|'` +prefix="$4" +offset="$5" + +fileguard=_UAPI_ASM_MIPS_`basename "$out" | sed \ + -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \ + -e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g'` +grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( + printf "#ifndef %s\n" "${fileguard}" + printf "#define %s\n" "${fileguard}" + printf "\n" + + nxt=0 + while read nr abi name entry compat ; do + nxt=$((nr+1)) + done + + printf "#define __NR_%s_Linux\t%s\n" "${prefix}" "${offset}" + printf "#define __NR_%s_Linux_syscalls\t%s\n" "${prefix}" "${nxt}" + printf "\n" + printf "#endif /* %s */" "${fileguard}" + printf "\n" +) > "$out" diff --git a/arch/mips/kernel/syscalls/syscalltbl.sh b/arch/mips/kernel/syscalls/syscalltbl.sh new file mode 100644 index 000000000000..acd338d33bbe --- /dev/null +++ b/arch/mips/kernel/syscalls/syscalltbl.sh @@ -0,0 +1,36 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +in="$1" +out="$2" +my_abis=`echo "($3)" | tr ',' '|'` +my_abi="$4" +offset="$5" + +emit() { + t_nxt="$1" + t_nr="$2" + t_entry="$3" + + while [ $t_nxt -lt $t_nr ]; do + printf "__SYSCALL(%s, sys_ni_syscall, )\n" "${t_nxt}" + t_nxt=$((t_nxt+1)) + done + printf "__SYSCALL(%s, %s, )\n" "${t_nxt}" "${t_entry}" +} + +grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( + nxt=0 + if [ -z "$offset" ]; then + offset=0 + fi + + while read nr abi name entry compat ; do + if [ "$my_abi" = "64_o32" ] && [ ! -z "$compat" ]; then + emit $((nxt+offset)) $((nr+offset)) $compat + else + emit $((nxt+offset)) $((nr+offset)) $entry + fi + nxt=$((nr+1)) + done +) > "$out" diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 15e103c6d799..c91097f7b32f 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -50,6 +50,7 @@ #include <asm/fpu.h> #include <asm/fpu_emulator.h> #include <asm/idle.h> +#include <asm/isa-rev.h> #include <asm/mips-cps.h> #include <asm/mips-r2-to-r6-emul.h> #include <asm/mipsregs.h> @@ -277,8 +278,10 @@ static void __show_regs(const struct pt_regs *regs) #ifdef CONFIG_CPU_HAS_SMARTMIPS printk("Acx : %0*lx\n", field, regs->acx); #endif - printk("Hi : %0*lx\n", field, regs->hi); - printk("Lo : %0*lx\n", field, regs->lo); + if (MIPS_ISA_REV < 6) { + printk("Hi : %0*lx\n", field, regs->hi); + printk("Lo : %0*lx\n", field, regs->lo); + } /* * Saved cp0 registers @@ -706,6 +709,8 @@ asmlinkage void do_ov(struct pt_regs *regs) exception_exit(prev_state); } +#ifdef CONFIG_MIPS_FP_SUPPORT + /* * Send SIGFPE according to FCSR Cause bits, which must have already * been masked against Enable bits. This is impotant as Inexact can @@ -794,9 +799,6 @@ static int simulate_fp(struct pt_regs *regs, unsigned int opcode, regs->cp0_epc = old_epc; regs->regs[31] = old_ra; - /* Save the FP context to struct thread_struct */ - lose_fpu(1); - /* Run the emulator */ sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, &fault_addr); @@ -848,8 +850,6 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31) * register operands before invoking the emulator, which seems * a bit extreme for what should be an infrequent event. */ - /* Ensure 'resume' not overwrite saved fp context again. */ - lose_fpu(1); /* Run the emulator */ sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, @@ -876,6 +876,45 @@ out: exception_exit(prev_state); } +/* + * MIPS MT processors may have fewer FPU contexts than CPU threads. If we've + * emulated more than some threshold number of instructions, force migration to + * a "CPU" that has FP support. + */ +static void mt_ase_fp_affinity(void) +{ +#ifdef CONFIG_MIPS_MT_FPAFF + if (mt_fpemul_threshold > 0 && + ((current->thread.emulated_fp++ > mt_fpemul_threshold))) { + /* + * If there's no FPU present, or if the application has already + * restricted the allowed set to exclude any CPUs with FPUs, + * we'll skip the procedure. + */ + if (cpumask_intersects(¤t->cpus_allowed, &mt_fpu_cpumask)) { + cpumask_t tmask; + + current->thread.user_cpus_allowed + = current->cpus_allowed; + cpumask_and(&tmask, ¤t->cpus_allowed, + &mt_fpu_cpumask); + set_cpus_allowed_ptr(current, &tmask); + set_thread_flag(TIF_FPUBOUND); + } + } +#endif /* CONFIG_MIPS_MT_FPAFF */ +} + +#else /* !CONFIG_MIPS_FP_SUPPORT */ + +static int simulate_fp(struct pt_regs *regs, unsigned int opcode, + unsigned long old_epc, unsigned long old_ra) +{ + return -1; +} + +#endif /* !CONFIG_MIPS_FP_SUPPORT */ + void do_trap_or_bp(struct pt_regs *regs, unsigned int code, int si_code, const char *str) { @@ -1160,35 +1199,6 @@ out: } /* - * MIPS MT processors may have fewer FPU contexts than CPU threads. If we've - * emulated more than some threshold number of instructions, force migration to - * a "CPU" that has FP support. - */ -static void mt_ase_fp_affinity(void) -{ -#ifdef CONFIG_MIPS_MT_FPAFF - if (mt_fpemul_threshold > 0 && - ((current->thread.emulated_fp++ > mt_fpemul_threshold))) { - /* - * If there's no FPU present, or if the application has already - * restricted the allowed set to exclude any CPUs with FPUs, - * we'll skip the procedure. - */ - if (cpumask_intersects(¤t->cpus_allowed, &mt_fpu_cpumask)) { - cpumask_t tmask; - - current->thread.user_cpus_allowed - = current->cpus_allowed; - cpumask_and(&tmask, ¤t->cpus_allowed, - &mt_fpu_cpumask); - set_cpus_allowed_ptr(current, &tmask); - set_thread_flag(TIF_FPUBOUND); - } - } -#endif /* CONFIG_MIPS_MT_FPAFF */ -} - -/* * No lock; only written during early bootup by CPU 0. */ static RAW_NOTIFIER_HEAD(cu2_chain); @@ -1215,23 +1225,25 @@ static int default_cu2_call(struct notifier_block *nfb, unsigned long action, return NOTIFY_OK; } +#ifdef CONFIG_MIPS_FP_SUPPORT + static int enable_restore_fp_context(int msa) { int err, was_fpu_owner, prior_msa; + bool first_fp; + + /* Initialize context if it hasn't been used already */ + first_fp = init_fp_ctx(current); - if (!used_math()) { - /* First time FP context user. */ + if (first_fp) { preempt_disable(); - err = init_fpu(); + err = own_fpu_inatomic(1); if (msa && !err) { enable_msa(); - init_msa_upper(); set_thread_flag(TIF_USEDMSA); set_thread_flag(TIF_MSA_CTX_LIVE); } preempt_enable(); - if (!err) - set_used_math(); return err; } @@ -1322,17 +1334,23 @@ out: return 0; } +#else /* !CONFIG_MIPS_FP_SUPPORT */ + +static int enable_restore_fp_context(int msa) +{ + return SIGILL; +} + +#endif /* CONFIG_MIPS_FP_SUPPORT */ + asmlinkage void do_cpu(struct pt_regs *regs) { enum ctx_state prev_state; unsigned int __user *epc; unsigned long old_epc, old31; - void __user *fault_addr; unsigned int opcode; - unsigned long fcr31; unsigned int cpid; - int status, err; - int sig; + int status; prev_state = exception_enter(); cpid = (regs->cp0_cause >> CAUSEB_CE) & 3; @@ -1370,6 +1388,7 @@ asmlinkage void do_cpu(struct pt_regs *regs) break; +#ifdef CONFIG_MIPS_FP_SUPPORT case 3: /* * The COP3 opcode space and consequently the CP0.Status.CU3 @@ -1389,7 +1408,11 @@ asmlinkage void do_cpu(struct pt_regs *regs) } /* Fall through. */ - case 1: + case 1: { + void __user *fault_addr; + unsigned long fcr31; + int err, sig; + err = enable_restore_fp_context(0); if (raw_cpu_has_fpu && !err) @@ -1410,6 +1433,13 @@ asmlinkage void do_cpu(struct pt_regs *regs) mt_ase_fp_affinity(); break; + } +#else /* CONFIG_MIPS_FP_SUPPORT */ + case 1: + case 3: + force_sig(SIGILL, current); + break; +#endif /* CONFIG_MIPS_FP_SUPPORT */ case 2: raw_notifier_call_chain(&cu2_chain, CU2_EXCEPTION, regs); diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index ce446eed62d2..c60e7719ef77 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -882,18 +882,12 @@ do { \ static void emulate_load_store_insn(struct pt_regs *regs, void __user *addr, unsigned int __user *pc) { + unsigned long origpc, orig31, value; union mips_instruction insn; - unsigned long value; - unsigned int res, preempted; - unsigned long origpc; - unsigned long orig31; - void __user *fault_addr = NULL; + unsigned int res; #ifdef CONFIG_EVA mm_segment_t seg; #endif - union fpureg *fpr; - enum msa_2b_fmt df; - unsigned int wd; origpc = (unsigned long)pc; orig31 = regs->regs[31]; @@ -1212,15 +1206,18 @@ static void emulate_load_store_insn(struct pt_regs *regs, /* Cannot handle 64-bit instructions in 32-bit kernel */ goto sigill; +#ifdef CONFIG_MIPS_FP_SUPPORT + case lwc1_op: case ldc1_op: case swc1_op: case sdc1_op: - case cop1x_op: + case cop1x_op: { + void __user *fault_addr = NULL; + die_if_kernel("Unaligned FP access in kernel code", regs); BUG_ON(!used_math()); - lose_fpu(1); /* Save FPU state for the emulator. */ res = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, &fault_addr); own_fpu(1); /* Restore FPU state. */ @@ -1231,8 +1228,16 @@ static void emulate_load_store_insn(struct pt_regs *regs, if (res == 0) break; return; + } +#endif /* CONFIG_MIPS_FP_SUPPORT */ + +#ifdef CONFIG_CPU_HAS_MSA + + case msa_op: { + unsigned int wd, preempted; + enum msa_2b_fmt df; + union fpureg *fpr; - case msa_op: if (!cpu_has_msa) goto sigill; @@ -1309,6 +1314,8 @@ static void emulate_load_store_insn(struct pt_regs *regs, compute_return_epc(regs); break; + } +#endif /* CONFIG_CPU_HAS_MSA */ #ifndef CONFIG_CPU_MIPSR6 /* @@ -1393,7 +1400,6 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs, unsigned long origpc, contpc; union mips_instruction insn; struct mm_decoded_insn mminsn; - void __user *fault_addr = NULL; origpc = regs->cp0_epc; orig31 = regs->regs[31]; @@ -1709,6 +1715,7 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs, /* LL,SC,LLD,SCD are not serviced */ goto sigbus; +#ifdef CONFIG_MIPS_FP_SUPPORT case mm_pool32f_op: switch (insn.mm_x_format.func) { case mm_lwxc1_func: @@ -1723,7 +1730,9 @@ static void emulate_load_store_microMIPS(struct pt_regs *regs, case mm_ldc132_op: case mm_sdc132_op: case mm_lwc132_op: - case mm_swc132_op: + case mm_swc132_op: { + void __user *fault_addr = NULL; + fpu_emul: /* roll back jump/branch */ regs->cp0_epc = origpc; @@ -1733,7 +1742,6 @@ fpu_emul: BUG_ON(!used_math()); BUG_ON(!is_fpu_owner()); - lose_fpu(1); /* save the FPU state for the emulator */ res = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, &fault_addr); own_fpu(1); /* restore FPU state */ @@ -1744,6 +1752,8 @@ fpu_emul: if (res == 0) goto success; return; + } +#endif /* CONFIG_MIPS_FP_SUPPORT */ case mm_lh32_op: reg = insn.mm_i_format.rt; @@ -2338,7 +2348,7 @@ asmlinkage void do_ade(struct pt_regs *regs) set_fs(seg); return; - } + } goto sigbus; } diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c index 48a9c6b90e07..9df3ebdc7b0f 100644 --- a/arch/mips/kernel/vdso.c +++ b/arch/mips/kernel/vdso.c @@ -126,8 +126,8 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) /* Map delay slot emulation page */ base = mmap_region(NULL, STACK_TOP, PAGE_SIZE, - VM_READ|VM_WRITE|VM_EXEC| - VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, + VM_READ | VM_EXEC | + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC, 0, NULL); if (IS_ERR_VALUE(base)) { ret = base; diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S index 971a504001c2..cb7e9ed7a453 100644 --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -72,7 +72,7 @@ SECTIONS /* Exception table for data bus errors */ __dbe_table : { __start___dbe_table = .; - *(__dbe_table) + KEEP(*(__dbe_table)) __stop___dbe_table = .; } @@ -123,7 +123,7 @@ SECTIONS . = ALIGN(4); .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) { __mips_machines_start = .; - *(.mips.machines.init) + KEEP(*(.mips.machines.init)) __mips_machines_end = .; } diff --git a/arch/mips/kernel/watch.c b/arch/mips/kernel/watch.c index 0e61a5b7647f..ba73b4077668 100644 --- a/arch/mips/kernel/watch.c +++ b/arch/mips/kernel/watch.c @@ -27,12 +27,15 @@ void mips_install_watch_registers(struct task_struct *t) case 4: write_c0_watchlo3(watches->watchlo[3]); write_c0_watchhi3(watchhi | watches->watchhi[3]); + /* fall through */ case 3: write_c0_watchlo2(watches->watchlo[2]); write_c0_watchhi2(watchhi | watches->watchhi[2]); + /* fall through */ case 2: write_c0_watchlo1(watches->watchlo[1]); write_c0_watchhi1(watchhi | watches->watchhi[1]); + /* fall through */ case 1: write_c0_watchlo0(watches->watchlo[0]); write_c0_watchhi0(watchhi | watches->watchhi[0]); @@ -55,10 +58,13 @@ void mips_read_watch_registers(void) BUG(); case 4: watches->watchhi[3] = (read_c0_watchhi3() & watchhi_mask); + /* fall through */ case 3: watches->watchhi[2] = (read_c0_watchhi2() & watchhi_mask); + /* fall through */ case 2: watches->watchhi[1] = (read_c0_watchhi1() & watchhi_mask); + /* fall through */ case 1: watches->watchhi[0] = (read_c0_watchhi0() & watchhi_mask); } @@ -85,18 +91,25 @@ void mips_clear_watch_registers(void) BUG(); case 8: write_c0_watchlo7(0); + /* fall through */ case 7: write_c0_watchlo6(0); + /* fall through */ case 6: write_c0_watchlo5(0); + /* fall through */ case 5: write_c0_watchlo4(0); + /* fall through */ case 4: write_c0_watchlo3(0); + /* fall through */ case 3: write_c0_watchlo2(0); + /* fall through */ case 2: write_c0_watchlo1(0); + /* fall through */ case 1: write_c0_watchlo0(0); } |