diff options
Diffstat (limited to 'target/xtensa/helper.c')
-rw-r--r-- | target/xtensa/helper.c | 61 |
1 files changed, 21 insertions, 40 deletions
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c index f18ab383fd..ca214b948a 100644 --- a/target/xtensa/helper.c +++ b/target/xtensa/helper.c @@ -26,9 +26,10 @@ */ #include "qemu/osdep.h" +#include "qemu/log.h" #include "cpu.h" #include "exec/exec-all.h" -#include "exec/gdbstub.h" +#include "gdbstub/helpers.h" #include "exec/helper-proto.h" #include "qemu/error-report.h" #include "qemu/qemu-print.h" @@ -216,8 +217,7 @@ static uint32_t check_hw_breakpoints(CPUXtensaState *env) void xtensa_breakpoint_handler(CPUState *cs) { - XtensaCPU *cpu = XTENSA_CPU(cs); - CPUXtensaState *env = &cpu->env; + CPUXtensaState *env = cpu_env(cs); if (cs->watchpoint_hit) { if (cs->watchpoint_hit->flags & BP_CPU) { @@ -230,39 +230,22 @@ void xtensa_breakpoint_handler(CPUState *cs) } cpu_loop_exit_noexc(cs); } + } else { + if (cpu_breakpoint_test(cs, env->pc, BP_GDB) + || !cpu_breakpoint_test(cs, env->pc, BP_CPU)) { + return; + } + if (env->sregs[ICOUNT] == 0xffffffff && + xtensa_get_cintlevel(env) < env->sregs[ICOUNTLEVEL]) { + debug_exception_env(env, DEBUGCAUSE_IC); + } else { + debug_exception_env(env, DEBUGCAUSE_IB); + } + cpu_loop_exit_noexc(cs); } } -void xtensa_cpu_list(void) -{ - XtensaConfigList *core = xtensa_cores; - qemu_printf("Available CPUs:\n"); - for (; core; core = core->next) { - qemu_printf(" %s\n", core->config->name); - } -} - -#ifdef CONFIG_USER_ONLY - -bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size, - MMUAccessType access_type, int mmu_idx, - bool probe, uintptr_t retaddr) -{ - XtensaCPU *cpu = XTENSA_CPU(cs); - CPUXtensaState *env = &cpu->env; - - qemu_log_mask(CPU_LOG_INT, - "%s: rw = %d, address = 0x%08" VADDR_PRIx ", size = %d\n", - __func__, access_type, address, size); - env->sregs[EXCVADDR] = address; - env->sregs[EXCCAUSE] = (access_type == MMU_DATA_STORE ? - STORE_PROHIBITED_CAUSE : LOAD_PROHIBITED_CAUSE); - cs->exception_index = EXC_USER; - cpu_loop_exit_restore(cs, retaddr); -} - -#else /* !CONFIG_USER_ONLY */ - +#ifndef CONFIG_USER_ONLY void xtensa_cpu_do_unaligned_access(CPUState *cs, vaddr addr, MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) @@ -272,7 +255,7 @@ void xtensa_cpu_do_unaligned_access(CPUState *cs, assert(xtensa_option_enabled(env->config, XTENSA_OPTION_UNALIGNED_EXCEPTION)); - cpu_restore_state(CPU(cpu), retaddr, true); + cpu_restore_state(CPU(cpu), retaddr); HELPER(exception_cause_vaddr)(env, env->pc, LOAD_STORE_ALIGNMENT_CAUSE, addr); @@ -282,8 +265,7 @@ bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size, MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr) { - XtensaCPU *cpu = XTENSA_CPU(cs); - CPUXtensaState *env = &cpu->env; + CPUXtensaState *env = cpu_env(cs); uint32_t paddr; uint32_t page_size; unsigned access; @@ -303,7 +285,7 @@ bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size, } else if (probe) { return false; } else { - cpu_restore_state(cs, retaddr, true); + cpu_restore_state(cs, retaddr); HELPER(exception_cause_vaddr)(env, env->pc, ret, address); } } @@ -313,10 +295,9 @@ void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr, int mmu_idx, MemTxAttrs attrs, MemTxResult response, uintptr_t retaddr) { - XtensaCPU *cpu = XTENSA_CPU(cs); - CPUXtensaState *env = &cpu->env; + CPUXtensaState *env = cpu_env(cs); - cpu_restore_state(cs, retaddr, true); + cpu_restore_state(cs, retaddr); HELPER(exception_cause_vaddr)(env, env->pc, access_type == MMU_INST_FETCH ? INSTR_PIF_ADDR_ERROR_CAUSE : |