diff options
Diffstat (limited to 'arch/sparc/kernel')
39 files changed, 656 insertions, 633 deletions
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index 53adcaa0348..54742e58831 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -52,6 +52,8 @@ obj-$(CONFIG_SPARC64) += visemul.o obj-$(CONFIG_SPARC64) += hvapi.o obj-$(CONFIG_SPARC64) += sstate.o obj-$(CONFIG_SPARC64) += mdesc.o +obj-$(CONFIG_SPARC64) += pcr.o +obj-$(CONFIG_SPARC64) += nmi.o # sparc32 do not use GENERIC_HARDIRQS but uses the generic devres implementation obj-$(CONFIG_SPARC32) += devres.o diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c index 09c857215a5..45c41232fc4 100644 --- a/arch/sparc/kernel/auxio_32.c +++ b/arch/sparc/kernel/auxio_32.c @@ -76,6 +76,7 @@ unsigned char get_auxio(void) return sbus_readb(auxio_register); return 0; } +EXPORT_SYMBOL(get_auxio); void set_auxio(unsigned char bits_on, unsigned char bits_off) { @@ -102,7 +103,7 @@ void set_auxio(unsigned char bits_on, unsigned char bits_off) }; spin_unlock_irqrestore(&auxio_lock, flags); } - +EXPORT_SYMBOL(set_auxio); /* sun4m power control register (AUXIO2) */ diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c index 8b67347d422..9f52db2d441 100644 --- a/arch/sparc/kernel/auxio_64.c +++ b/arch/sparc/kernel/auxio_64.c @@ -72,6 +72,7 @@ void auxio_set_led(int on) bit = (ebus ? AUXIO_PCIO_LED : AUXIO_AUX1_LED); __auxio_set_bit(bit, on, ebus); } +EXPORT_SYMBOL(auxio_set_led); static void __auxio_sbus_set_lte(int on) { @@ -90,6 +91,7 @@ void auxio_set_lte(int on) break; } } +EXPORT_SYMBOL(auxio_set_lte); static struct of_device_id __initdata auxio_match[] = { { diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c index 05f1c916db0..f3b5466c389 100644 --- a/arch/sparc/kernel/central.c +++ b/arch/sparc/kernel/central.c @@ -103,6 +103,7 @@ static int __devinit clock_board_probe(struct of_device *op, p->leds_resource.name = "leds"; p->leds_pdev.name = "sunfire-clockboard-leds"; + p->leds_pdev.id = -1; p->leds_pdev.resource = &p->leds_resource; p->leds_pdev.num_resources = 1; p->leds_pdev.dev.parent = &op->dev; @@ -197,6 +198,7 @@ static int __devinit fhc_probe(struct of_device *op, p->leds_resource.name = "leds"; p->leds_pdev.name = "sunfire-fhc-leds"; + p->leds_pdev.id = p->board_num; p->leds_pdev.resource = &p->leds_resource; p->leds_pdev.num_resources = 1; p->leds_pdev.dev.parent = &op->dev; diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index 3b9f4d6e14a..e1a9598e2a4 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -306,6 +306,7 @@ static int jbusmc_print_dimm(int syndrome_code, buf[1] = '?'; buf[2] = '?'; buf[3] = '\0'; + return 0; } p = dp->controller; prop = &p->layout; diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c index 6c2da2420f7..d85c3dc4953 100644 --- a/arch/sparc/kernel/cpu.c +++ b/arch/sparc/kernel/cpu.c @@ -5,6 +5,7 @@ */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/init.h> #include <linux/smp.h> #include <linux/threads.h> @@ -20,10 +21,12 @@ #include "kernel.h" DEFINE_PER_CPU(cpuinfo_sparc, __cpu_data) = { 0 }; +EXPORT_PER_CPU_SYMBOL(__cpu_data); struct cpu_info { int psr_vers; const char *name; + const char *pmu_name; }; struct fpu_info { @@ -43,6 +46,9 @@ struct manufacturer_info { #define CPU(ver, _name) \ { .psr_vers = ver, .name = _name } +#define CPU_PMU(ver, _name, _pmu_name) \ +{ .psr_vers = ver, .name = _name, .pmu_name = _pmu_name } + #define FPU(ver, _name) \ { .fp_vers = ver, .name = _name } @@ -181,10 +187,10 @@ static const struct manufacturer_info __initconst manufacturer_info[] = { },{ 0x17, .cpu_info = { - CPU(0x10, "TI UltraSparc I (SpitFire)"), - CPU(0x11, "TI UltraSparc II (BlackBird)"), - CPU(0x12, "TI UltraSparc IIi (Sabre)"), - CPU(0x13, "TI UltraSparc IIe (Hummingbird)"), + CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"), + CPU_PMU(0x11, "TI UltraSparc II (BlackBird)", "ultra12"), + CPU_PMU(0x12, "TI UltraSparc IIi (Sabre)", "ultra12"), + CPU_PMU(0x13, "TI UltraSparc IIe (Hummingbird)", "ultra12"), CPU(-1, NULL) }, .fpu_info = { @@ -197,7 +203,7 @@ static const struct manufacturer_info __initconst manufacturer_info[] = { },{ 0x22, .cpu_info = { - CPU(0x10, "TI UltraSparc I (SpitFire)"), + CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"), CPU(-1, NULL) }, .fpu_info = { @@ -207,12 +213,12 @@ static const struct manufacturer_info __initconst manufacturer_info[] = { },{ 0x3e, .cpu_info = { - CPU(0x14, "TI UltraSparc III (Cheetah)"), - CPU(0x15, "TI UltraSparc III+ (Cheetah+)"), - CPU(0x16, "TI UltraSparc IIIi (Jalapeno)"), - CPU(0x18, "TI UltraSparc IV (Jaguar)"), - CPU(0x19, "TI UltraSparc IV+ (Panther)"), - CPU(0x22, "TI UltraSparc IIIi+ (Serrano)"), + CPU_PMU(0x14, "TI UltraSparc III (Cheetah)", "ultra3"), + CPU_PMU(0x15, "TI UltraSparc III+ (Cheetah+)", "ultra3+"), + CPU_PMU(0x16, "TI UltraSparc IIIi (Jalapeno)", "ultra3i"), + CPU_PMU(0x18, "TI UltraSparc IV (Jaguar)", "ultra3+"), + CPU_PMU(0x19, "TI UltraSparc IV+ (Panther)", "ultra4+"), + CPU_PMU(0x22, "TI UltraSparc IIIi+ (Serrano)", "ultra3i"), CPU(-1, NULL) }, .fpu_info = { @@ -232,29 +238,44 @@ static const struct manufacturer_info __initconst manufacturer_info[] = { const char *sparc_cpu_type; const char *sparc_fpu_type; +const char *sparc_pmu_type; unsigned int fsr_storage; static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers) { + const struct manufacturer_info *manuf; + int i; + sparc_cpu_type = NULL; sparc_fpu_type = NULL; - if (psr_impl < ARRAY_SIZE(manufacturer_info)) + sparc_pmu_type = NULL; + manuf = NULL; + + for (i = 0; i < ARRAY_SIZE(manufacturer_info); i++) + { + if (psr_impl == manufacturer_info[i].psr_impl) { + manuf = &manufacturer_info[i]; + break; + } + } + if (manuf != NULL) { const struct cpu_info *cpu; const struct fpu_info *fpu; - cpu = &manufacturer_info[psr_impl].cpu_info[0]; + cpu = &manuf->cpu_info[0]; while (cpu->psr_vers != -1) { if (cpu->psr_vers == psr_vers) { sparc_cpu_type = cpu->name; + sparc_pmu_type = cpu->pmu_name; sparc_fpu_type = "No FPU"; break; } cpu++; } - fpu = &manufacturer_info[psr_impl].fpu_info[0]; + fpu = &manuf->fpu_info[0]; while (fpu->fp_vers != -1) { if (fpu->fp_vers == fpu_vers) { @@ -276,6 +297,8 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers) psr_impl, fpu_vers); sparc_fpu_type = "Unknown FPU"; } + if (sparc_pmu_type == NULL) + sparc_pmu_type = "Unknown PMU"; } #ifdef CONFIG_SPARC32 @@ -301,11 +324,13 @@ static void __init sun4v_cpu_probe(void) case SUN4V_CHIP_NIAGARA1: sparc_cpu_type = "UltraSparc T1 (Niagara)"; sparc_fpu_type = "UltraSparc T1 integrated FPU"; + sparc_pmu_type = "niagara"; break; case SUN4V_CHIP_NIAGARA2: sparc_cpu_type = "UltraSparc T2 (Niagara2)"; sparc_fpu_type = "UltraSparc T2 integrated FPU"; + sparc_pmu_type = "niagara2"; break; default: diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index faf9ccd9ef5..f41ecc5ac0b 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -1088,8 +1088,8 @@ sunos_execv: ld [%sp + STACKFRAME_SZ + PT_I0], %o0 .align 4 - .globl sys_pipe -sys_pipe: + .globl sys_sparc_pipe +sys_sparc_pipe: mov %o7, %l5 add %sp, STACKFRAME_SZ, %o0 ! pt_regs *regs arg call sparc_pipe diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 8ffee714f93..a46c3a21e26 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -891,10 +891,35 @@ prom_tba: .xword 0 tlb_type: .word 0 /* Must NOT end up in BSS */ .section ".fixup",#alloc,#execinstr - .globl __ret_efault, __retl_efault -__ret_efault: + .globl __ret_efault, __retl_efault, __ret_one, __retl_one +ENTRY(__ret_efault) ret restore %g0, -EFAULT, %o0 -__retl_efault: +ENDPROC(__ret_efault) + +ENTRY(__retl_efault) retl mov -EFAULT, %o0 +ENDPROC(__retl_efault) + +ENTRY(__retl_one) + retl + mov 1, %o0 +ENDPROC(__retl_one) + +ENTRY(__ret_one_asi) + wr %g0, ASI_AIUS, %asi + ret + restore %g0, 1, %o0 +ENDPROC(__ret_one_asi) + +ENTRY(__retl_one_asi) + wr %g0, ASI_AIUS, %asi + retl + mov 1, %o0 +ENDPROC(__retl_one_asi) + +ENTRY(__retl_o1) + retl + mov %o1, %o0 +ENDPROC(__retl_o1) diff --git a/arch/sparc/kernel/idprom.c b/arch/sparc/kernel/idprom.c index c16135e0c15..57922f69c3f 100644 --- a/arch/sparc/kernel/idprom.c +++ b/arch/sparc/kernel/idprom.c @@ -8,11 +8,14 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/init.h> +#include <linux/module.h> #include <asm/oplib.h> #include <asm/idprom.h> struct idprom *idprom; +EXPORT_SYMBOL(idprom); + static struct idprom idprom_buffer; #ifdef CONFIG_SPARC32 diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 7ce14f05eb4..87ea0d03d97 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -120,6 +120,7 @@ void __iomem *ioremap(unsigned long offset, unsigned long size) sprintf(name, "phys_%08x", (u32)offset); return _sparc_alloc_io(0, offset, size, name); } +EXPORT_SYMBOL(ioremap); /* * Comlimentary to ioremap(). @@ -141,6 +142,7 @@ void iounmap(volatile void __iomem *virtual) kfree(res); } } +EXPORT_SYMBOL(iounmap); void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name) @@ -237,6 +239,7 @@ void sbus_set_sbus64(struct device *dev, int x) { printk("sbus_set_sbus64: unsupported\n"); } +EXPORT_SYMBOL(sbus_set_sbus64); /* * Allocate a chunk of memory suitable for DMA. @@ -436,6 +439,7 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t len, dma_addr_t *pba) *pba = virt_to_phys(va); /* equals virt_to_bus (R.I.P.) for us. */ return (void *) res->start; } +EXPORT_SYMBOL(pci_alloc_consistent); /* Free and unmap a consistent DMA buffer. * cpu_addr is what was returned from pci_alloc_consistent, @@ -477,6 +481,7 @@ void pci_free_consistent(struct pci_dev *pdev, size_t n, void *p, dma_addr_t ba) free_pages(pgp, get_order(n)); } +EXPORT_SYMBOL(pci_free_consistent); /* Map a single buffer of the indicated size for DMA in streaming mode. * The 32-bit bus address to use is returned. @@ -491,6 +496,7 @@ dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, /* IIep is write-through, not flushing. */ return virt_to_phys(ptr); } +EXPORT_SYMBOL(pci_map_single); /* Unmap a single streaming mode DMA translation. The dma_addr and size * must match what was provided for in a previous pci_map_single call. All @@ -508,6 +514,7 @@ void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t ba, size_t size, (size + PAGE_SIZE-1) & PAGE_MASK); } } +EXPORT_SYMBOL(pci_unmap_single); /* * Same as pci_map_single, but with pages. @@ -519,6 +526,7 @@ dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page, /* IIep is write-through, not flushing. */ return page_to_phys(page) + offset; } +EXPORT_SYMBOL(pci_map_page); void pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address, size_t size, int direction) @@ -526,6 +534,7 @@ void pci_unmap_page(struct pci_dev *hwdev, BUG_ON(direction == PCI_DMA_NONE); /* mmu_inval_dma_area XXX */ } +EXPORT_SYMBOL(pci_unmap_page); /* Map a set of buffers described by scatterlist in streaming * mode for DMA. This is the scather-gather version of the @@ -557,6 +566,7 @@ int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sgl, int nents, } return nents; } +EXPORT_SYMBOL(pci_map_sg); /* Unmap a set of streaming mode DMA translations. * Again, cpu read rules concerning calls here are the same as for @@ -578,6 +588,7 @@ void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sgl, int nents, } } } +EXPORT_SYMBOL(pci_unmap_sg); /* Make physical memory consistent for a single * streaming mode DMA translation before or after a transfer. @@ -597,6 +608,7 @@ void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t ba, size_t si (size + PAGE_SIZE-1) & PAGE_MASK); } } +EXPORT_SYMBOL(pci_dma_sync_single_for_cpu); void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t ba, size_t size, int direction) { @@ -606,6 +618,7 @@ void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t ba, size_t (size + PAGE_SIZE-1) & PAGE_MASK); } } +EXPORT_SYMBOL(pci_dma_sync_single_for_device); /* Make physical memory consistent for a set of streaming * mode DMA translations after a transfer. @@ -628,6 +641,7 @@ void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sgl, int } } } +EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu); void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sgl, int nents, int direction) { @@ -644,6 +658,7 @@ void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sgl, } } } +EXPORT_SYMBOL(pci_dma_sync_sg_for_device); #endif /* CONFIG_PCI */ #ifdef CONFIG_PROC_FS diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c index 1eff942fe22..44dd5ee6433 100644 --- a/arch/sparc/kernel/irq_32.c +++ b/arch/sparc/kernel/irq_32.c @@ -294,6 +294,7 @@ void synchronize_irq(unsigned int irq) while (sparc_irq[cpu_irq].flags & SPARC_IRQ_INPROGRESS) cpu_relax(); } +EXPORT_SYMBOL(synchronize_irq); #endif /* SMP */ void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs) diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index cab8e028687..1c378d8e90c 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -196,6 +196,11 @@ int show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); skip: spin_unlock_irqrestore(&irq_desc[i].lock, flags); + } else if (i == NR_IRQS) { + seq_printf(p, "NMI: "); + for_each_online_cpu(j) + seq_printf(p, "%10u ", cpu_data(j).__nmi_count); + seq_printf(p, " Non-maskable interrupts\n"); } return 0; } @@ -318,17 +323,25 @@ static void sun4u_set_affinity(unsigned int virt_irq, sun4u_irq_enable(virt_irq); } +/* Don't do anything. The desc->status check for IRQ_DISABLED in + * handler_irq() will skip the handler call and that will leave the + * interrupt in the sent state. The next ->enable() call will hit the + * ICLR register to reset the state machine. + * + * This scheme is necessary, instead of clearing the Valid bit in the + * IMAP register, to handle the case of IMAP registers being shared by + * multiple INOs (and thus ICLR registers). Since we use a different + * virtual IRQ for each shared IMAP instance, the generic code thinks + * there is only one user so it prematurely calls ->disable() on + * free_irq(). + * + * We have to provide an explicit ->disable() method instead of using + * NULL to get the default. The reason is that if the generic code + * sees that, it also hooks up a default ->shutdown method which + * invokes ->mask() which we do not want. See irq_chip_set_defaults(). + */ static void sun4u_irq_disable(unsigned int virt_irq) { - struct irq_handler_data *data = get_irq_chip_data(virt_irq); - - if (likely(data)) { - unsigned long imap = data->imap; - unsigned long tmp = upa_readq(imap); - - tmp &= ~IMAP_VALID; - upa_writeq(tmp, imap); - } } static void sun4u_irq_eoi(unsigned int virt_irq) @@ -741,7 +754,8 @@ void handler_irq(int irq, struct pt_regs *regs) desc = irq_desc + virt_irq; - desc->handle_irq(virt_irq, desc); + if (!(desc->status & IRQ_DISABLED)) + desc->handle_irq(virt_irq, desc); bucket_pa = next_pa; } @@ -778,69 +792,6 @@ void do_softirq(void) local_irq_restore(flags); } -static void unhandled_perf_irq(struct pt_regs *regs) -{ - unsigned long pcr, pic; - - read_pcr(pcr); - read_pic(pic); - - write_pcr(0); - - printk(KERN_EMERG "CPU %d: Got unexpected perf counter IRQ.\n", - smp_processor_id()); - printk(KERN_EMERG "CPU %d: PCR[%016lx] PIC[%016lx]\n", - smp_processor_id(), pcr, pic); -} - -/* Almost a direct copy of the powerpc PMC code. */ -static DEFINE_SPINLOCK(perf_irq_lock); -static void *perf_irq_owner_caller; /* mostly for debugging */ -static void (*perf_irq)(struct pt_regs *regs) = unhandled_perf_irq; - -/* Invoked from level 15 PIL handler in trap table. */ -void perfctr_irq(int irq, struct pt_regs *regs) -{ - clear_softint(1 << irq); - perf_irq(regs); -} - -int register_perfctr_intr(void (*handler)(struct pt_regs *)) -{ - int ret; - - if (!handler) - return -EINVAL; - - spin_lock(&perf_irq_lock); - if (perf_irq != unhandled_perf_irq) { - printk(KERN_WARNING "register_perfctr_intr: " - "perf IRQ busy (reserved by caller %p)\n", - perf_irq_owner_caller); - ret = -EBUSY; - goto out; - } - - perf_irq_owner_caller = __builtin_return_address(0); - perf_irq = handler; - - ret = 0; -out: - spin_unlock(&perf_irq_lock); - - return ret; -} -EXPORT_SYMBOL_GPL(register_perfctr_intr); - -void release_perfctr_intr(void (*handler)(struct pt_regs *)) -{ - spin_lock(&perf_irq_lock); - perf_irq_owner_caller = NULL; - perf_irq = unhandled_perf_irq; - spin_unlock(&perf_irq_lock); -} -EXPORT_SYMBOL_GPL(release_perfctr_intr); - #ifdef CONFIG_HOTPLUG_CPU void fixup_irqs(void) { diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index 81a972e8d8e..15d8a3f645c 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -5,6 +5,7 @@ /* cpu.c */ extern const char *sparc_cpu_type; +extern const char *sparc_pmu_type; extern const char *sparc_fpu_type; extern unsigned int fsr_storage; diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index fefbe6dc51b..f5a0fd490b5 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -108,7 +108,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs) } #ifdef CONFIG_SMP -void smp_kgdb_capture_client(struct pt_regs *regs) +void smp_kgdb_capture_client(int irq, struct pt_regs *regs) { unsigned long flags; diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c new file mode 100644 index 00000000000..f3577223c86 --- /dev/null +++ b/arch/sparc/kernel/nmi.c @@ -0,0 +1,225 @@ +/* Pseudo NMI support on sparc64 systems. + * + * Copyright (C) 2009 David S. Miller <davem@davemloft.net> + * + * The NMI watchdog support and infrastructure is based almost + * entirely upon the x86 NMI support code. + */ +#include <linux/kernel.h> +#include <linux/param.h> +#include <linux/init.h> +#include <linux/percpu.h> +#include <linux/nmi.h> +#include <linux/module.h> +#include <linux/kprobes.h> +#include <linux/kernel_stat.h> +#include <linux/slab.h> +#include <linux/kdebug.h> +#include <linux/delay.h> +#include <linux/smp.h> + +#include <asm/ptrace.h> +#include <asm/local.h> +#include <asm/pcr.h> + +/* We don't have a real NMI on sparc64, but we can fake one + * up using profiling counter overflow interrupts and interrupt + * levels. + * + * The profile overflow interrupts at level 15, so we use + * level 14 as our IRQ off level. + */ + +static int nmi_watchdog_active; +static int panic_on_timeout; + +int nmi_usable; +EXPORT_SYMBOL_GPL(nmi_usable); + +static unsigned int nmi_hz = HZ; + +static DEFINE_PER_CPU(unsigned int, last_irq_sum); +static DEFINE_PER_CPU(local_t, alert_counter); +static DEFINE_PER_CPU(int, nmi_touch); + +void touch_nmi_watchdog(void) +{ + if (nmi_watchdog_active) { + int cpu; + + for_each_present_cpu(cpu) { + if (per_cpu(nmi_touch, cpu) != 1) + per_cpu(nmi_touch, cpu) = 1; + } + } + + touch_softlockup_watchdog(); +} +EXPORT_SYMBOL(touch_nmi_watchdog); + +static void die_nmi(const char *str, struct pt_regs *regs, int do_panic) +{ + if (notify_die(DIE_NMIWATCHDOG, str, regs, 0, + pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP) + return; + + console_verbose(); + bust_spinlocks(1); + + printk(KERN_EMERG "%s", str); + printk(" on CPU%d, ip %08lx, registers:\n", + smp_processor_id(), regs->tpc); + show_regs(regs); + dump_stack(); + + bust_spinlocks(0); + + if (do_panic || panic_on_oops) + panic("Non maskable interrupt"); + + local_irq_enable(); + do_exit(SIGBUS); +} + +notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs) +{ + unsigned int sum, touched = 0; + int cpu = smp_processor_id(); + + clear_softint(1 << irq); + pcr_ops->write(PCR_PIC_PRIV); + + local_cpu_data().__nmi_count++; + + if (notify_die(DIE_NMI, "nmi", regs, 0, + pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP) + touched = 1; + + sum = kstat_irqs_cpu(0, cpu); + if (__get_cpu_var(nmi_touch)) { + __get_cpu_var(nmi_touch) = 0; + touched = 1; + } + if (!touched && __get_cpu_var(last_irq_sum) == sum) { + local_inc(&__get_cpu_var(alert_counter)); + if (local_read(&__get_cpu_var(alert_counter)) == 5 * nmi_hz) + die_nmi("BUG: NMI Watchdog detected LOCKUP", + regs, panic_on_timeout); + } else { + __get_cpu_var(last_irq_sum) = sum; + local_set(&__get_cpu_var(alert_counter), 0); + } + if (nmi_usable) { + write_pic(picl_value(nmi_hz)); + pcr_ops->write(pcr_enable); + } +} + +static inline unsigned int get_nmi_count(int cpu) +{ + return cpu_data(cpu).__nmi_count; +} + +static int endflag __initdata; + +static __init void nmi_cpu_busy(void *data) +{ + local_irq_enable_in_hardirq(); + while (endflag == 0) + mb(); +} + +static void report_broken_nmi(int cpu, int *prev_nmi_count) +{ + printk(KERN_CONT "\n"); + + printk(KERN_WARNING + "WARNING: CPU#%d: NMI appears to be stuck (%d->%d)!\n", + cpu, prev_nmi_count[cpu], get_nmi_count(cpu)); + + printk(KERN_WARNING + "Please report this to bugzilla.kernel.org,\n"); + printk(KERN_WARNING + "and attach the output of the 'dmesg' command.\n"); + + nmi_usable = 0; +} + +static void stop_watchdog(void *unused) +{ + pcr_ops->write(PCR_PIC_PRIV); +} + +static int __init check_nmi_watchdog(void) +{ + unsigned int *prev_nmi_count; + int cpu, err; + + prev_nmi_count = kmalloc(nr_cpu_ids * sizeof(unsigned int), GFP_KERNEL); + if (!prev_nmi_count) { + err = -ENOMEM; + goto error; + } + + printk(KERN_INFO "Testing NMI watchdog ... "); + + smp_call_function(nmi_cpu_busy, (void *)&endflag, 0); + + for_each_possible_cpu(cpu) + prev_nmi_count[cpu] = get_nmi_count(cpu); + local_irq_enable(); + mdelay((20 * 1000) / nmi_hz); /* wait 20 ticks */ + + for_each_online_cpu(cpu) { + if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5) + report_broken_nmi(cpu, prev_nmi_count); + } + endflag = 1; + if (!nmi_usable) { + kfree(prev_nmi_count); + err = -ENODEV; + goto error; + } + printk("OK.\n"); + + nmi_hz = 1; + + kfree(prev_nmi_count); + return 0; +error: + on_each_cpu(stop_watchdog, NULL, 1); + return err; +} + +static void start_watchdog(void *unused) +{ + pcr_ops->write(PCR_PIC_PRIV); + write_pic(picl_value(nmi_hz)); + + pcr_ops->write(pcr_enable); +} + +void nmi_adjust_hz(unsigned int new_hz) +{ + nmi_hz = new_hz; + on_each_cpu(start_watchdog, NULL, 1); +} +EXPORT_SYMBOL_GPL(nmi_adjust_hz); + +int __init nmi_init(void) +{ + nmi_usable = 1; + + on_each_cpu(start_watchdog, NULL, 1); + + return check_nmi_watchdog(); +} + +static int __init setup_nmi_watchdog(char *str) +{ + if (!strncmp(str, "panic", 5)) + panic_on_timeout = 1; + + return 0; +} +__setup("nmi_watchdog=", setup_nmi_watchdog); diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 923e9bbb9fe..4638fba799e 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -1077,6 +1077,7 @@ int pci_dma_supported(struct pci_dev *pdev, u64 device_mask) return (device_mask & dma_addr_mask) == dma_addr_mask; } +EXPORT_SYMBOL(pci_dma_supported); void pci_resource_to_user(const struct pci_dev *pdev, int bar, const struct resource *rp, resource_size_t *start, diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c index 64e6edf17b9..b775658a927 100644 --- a/arch/sparc/kernel/pci_common.c +++ b/arch/sparc/kernel/pci_common.c @@ -368,7 +368,7 @@ static void pci_register_iommu_region(struct pci_pbm_info *pbm) const u32 *vdma = of_get_property(pbm->op->node, "virtual-dma", NULL); if (vdma) { - struct resource *rp = kmalloc(sizeof(*rp), GFP_KERNEL); + struct resource *rp = kzalloc(sizeof(*rp), GFP_KERNEL); if (!rp) { prom_printf("Cannot allocate IOMMU resource.\n"); diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index 75ed98be3ed..85e7037429b 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -956,6 +956,7 @@ void outsb(unsigned long addr, const void *src, unsigned long count) /* addr += 1; */ } } +EXPORT_SYMBOL(outsb); void outsw(unsigned long addr, const void *src, unsigned long count) { @@ -966,6 +967,7 @@ void outsw(unsigned long addr, const void *src, unsigned long count) /* addr += 2; */ } } +EXPORT_SYMBOL(outsw); void outsl(unsigned long addr, const void *src, unsigned long count) { @@ -976,6 +978,7 @@ void outsl(unsigned long addr, const void *src, unsigned long count) /* addr += 4; */ } } +EXPORT_SYMBOL(outsl); void insb(unsigned long addr, void *dst, unsigned long count) { @@ -986,6 +989,7 @@ void insb(unsigned long addr, void *dst, unsigned long count) /* addr += 1; */ } } +EXPORT_SYMBOL(insb); void insw(unsigned long addr, void *dst, unsigned long count) { @@ -996,6 +1000,7 @@ void insw(unsigned long addr, void *dst, unsigned long count) /* addr += 2; */ } } +EXPORT_SYMBOL(insw); void insl(unsigned long addr, void *dst, unsigned long count) { @@ -1009,5 +1014,6 @@ void insl(unsigned long addr, void *dst, unsigned long count) /* addr += 4; */ } } +EXPORT_SYMBOL(insl); subsys_initcall(pcic_init); diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c new file mode 100644 index 00000000000..1ae8cdd7e70 --- /dev/null +++ b/arch/sparc/kernel/pcr.c @@ -0,0 +1,158 @@ +/* pcr.c: Generic sparc64 performance counter infrastructure. + * + * Copyright (C) 2009 David S. Miller (davem@davemloft.net) + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/pil.h> +#include <asm/pcr.h> +#include <asm/nmi.h> + +/* This code is shared between various users of the performance + * counters. Users will be oprofile, pseudo-NMI watchdog, and the + * perf_counter support layer. + */ + +#define PCR_SUN4U_ENABLE (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE) +#define PCR_N2_ENABLE (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE | \ + PCR_N2_TOE_OV1 | \ + (2 << PCR_N2_SL1_SHIFT) | \ + (0xff << PCR_N2_MASK1_SHIFT)) + +u64 pcr_enable; +unsigned int picl_shift; + +/* Performance counter interrupts run unmasked at PIL level 15. + * Therefore we can't do things like wakeups and other work + * that expects IRQ disabling to be adhered to in locking etc. + * + * Therefore in such situations we defer the work by signalling + * a lower level cpu IRQ. + */ +void deferred_pcr_work_irq(int irq, struct pt_regs *regs) +{ + clear_softint(1 << PIL_DEFERRED_PCR_WORK); +} + +void schedule_deferred_pcr_work(void) +{ + set_softint(1 << PIL_DEFERRED_PCR_WORK); +} + +const struct pcr_ops *pcr_ops; +EXPORT_SYMBOL_GPL(pcr_ops); + +static u64 direct_pcr_read(void) +{ + u64 val; + + read_pcr(val); + return val; +} + +static void direct_pcr_write(u64 val) +{ + write_pcr(val); +} + +static const struct pcr_ops direct_pcr_ops = { + .read = direct_pcr_read, + .write = direct_pcr_write, +}; + +static void n2_pcr_write(u64 val) +{ + unsigned long ret; + + ret = sun4v_niagara2_setperf(HV_N2_PERF_SPARC_CTL, val); + if (val != HV_EOK) + write_pcr(val); +} + +static const struct pcr_ops n2_pcr_ops = { + .read = direct_pcr_read, + .write = n2_pcr_write, +}; + +static unsigned long perf_hsvc_group; +static unsigned long perf_hsvc_major; +static unsigned long perf_hsvc_minor; + +static int __init register_perf_hsvc(void) +{ + if (tlb_type == hypervisor) { + switch (sun4v_chip_type) { + case SUN4V_CHIP_NIAGARA1: + perf_hsvc_group = HV_GRP_NIAG_PERF; + break; + + case SUN4V_CHIP_NIAGARA2: + perf_hsvc_group = HV_GRP_N2_CPU; + break; + + default: + return -ENODEV; + } + + + perf_hsvc_major = 1; + perf_hsvc_minor = 0; + if (sun4v_hvapi_register(perf_hsvc_group, + perf_hsvc_major, + &perf_hsvc_minor)) { + printk("perfmon: Could not register hvapi.\n"); + return -ENODEV; + } + } + return 0; +} + +static void __init unregister_perf_hsvc(void) +{ + if (tlb_type != hypervisor) + return; + sun4v_hvapi_unregister(perf_hsvc_group); +} + +int __init pcr_arch_init(void) +{ + int err = register_perf_hsvc(); + + if (err) + return err; + + switch (tlb_type) { + case hypervisor: + pcr_ops = &n2_pcr_ops; + pcr_enable = PCR_N2_ENABLE; + picl_shift = 2; + break; + + case cheetah: + case cheetah_plus: + pcr_ops = &direct_pcr_ops; + pcr_enable = PCR_SUN4U_ENABLE; + break; + + case spitfire: + /* UltraSPARC-I/II and derivatives lack a profile + * counter overflow interrupt so we can't make use of + * their hardware currently. + */ + /* fallthrough */ + default: + err = -ENODEV; + goto out_unregister; + } + + return nmi_init(); + +out_unregister: + unregister_perf_hsvc(); + return err; +} + +arch_initcall(pcr_arch_init); diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index 5a8d8ced33d..f4bee35a1b4 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -44,6 +44,7 @@ * Set in pm platform drivers (apc.c and pmc.c) */ void (*pm_idle)(void); +EXPORT_SYMBOL(pm_idle); /* * Power-off handler instantiation for pm.h compliance @@ -673,6 +674,7 @@ pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) "g1", "g2", "g3", "o0", "o1", "memory", "cc"); return retval; } +EXPORT_SYMBOL(kernel_thread); unsigned long get_wchan(struct task_struct *task) { diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index d5e2acef987..a73954b87f0 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -29,6 +29,7 @@ #include <linux/cpu.h> #include <linux/elfcore.h> #include <linux/sysrq.h> +#include <linux/nmi.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -52,8 +53,10 @@ static void sparc64_yield(int cpu) { - if (tlb_type != hypervisor) + if (tlb_type != hypervisor) { + touch_nmi_watchdog(); return; + } clear_thread_flag(TIF_POLLING_NRFLAG); smp_mb__after_clear_bit(); @@ -678,6 +681,7 @@ pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags) "g1", "g2", "g3", "o0", "o1", "memory", "cc"); return retval; } +EXPORT_SYMBOL(kernel_thread); typedef struct { union { @@ -743,6 +747,7 @@ int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs) } return 1; } +EXPORT_SYMBOL(dump_fpu); /* * sparc_execve() executes a new program after the asm stub has set diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index 40689ae3c9b..8f147847542 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -11,19 +11,19 @@ #include "iommu_common.h" #include "psycho_common.h" -#define PSYCHO_STRBUF_CTRL_DENAB 0x0000000000000002UL -#define PSYCHO_STCERR_WRITE 0x0000000000000002UL -#define PSYCHO_STCERR_READ 0x0000000000000001UL -#define PSYCHO_STCTAG_PPN 0x0fffffff00000000UL -#define PSYCHO_STCTAG_VPN 0x00000000ffffe000UL -#define PSYCHO_STCTAG_VALID 0x0000000000000002UL -#define PSYCHO_STCTAG_WRITE 0x0000000000000001UL -#define PSYCHO_STCLINE_LINDX 0x0000000001e00000UL -#define PSYCHO_STCLINE_SPTR 0x00000000001f8000UL -#define PSYCHO_STCLINE_LADDR 0x0000000000007f00UL -#define PSYCHO_STCLINE_EPTR 0x00000000000000fcUL -#define PSYCHO_STCLINE_VALID 0x0000000000000002UL -#define PSYCHO_STCLINE_FOFN 0x0000000000000001UL +#define PSYCHO_STRBUF_CTRL_DENAB 0x0000000000000002ULL +#define PSYCHO_STCERR_WRITE 0x0000000000000002ULL +#define PSYCHO_STCERR_READ 0x0000000000000001ULL +#define PSYCHO_STCTAG_PPN 0x0fffffff00000000ULL +#define PSYCHO_STCTAG_VPN 0x00000000ffffe000ULL +#define PSYCHO_STCTAG_VALID 0x0000000000000002ULL +#define PSYCHO_STCTAG_WRITE 0x0000000000000001ULL +#define PSYCHO_STCLINE_LINDX 0x0000000001e00000ULL +#define PSYCHO_STCLINE_SPTR 0x00000000001f8000ULL +#define PSYCHO_STCLINE_LADDR 0x0000000000007f00ULL +#define PSYCHO_STCLINE_EPTR 0x00000000000000fcULL +#define PSYCHO_STCLINE_VALID 0x0000000000000002ULL +#define PSYCHO_STCLINE_FOFN 0x0000000000000001ULL static DEFINE_SPINLOCK(stc_buf_lock); static unsigned long stc_error_buf[128]; @@ -144,10 +144,10 @@ static void psycho_record_iommu_tags_and_data(struct pci_pbm_info *pbm, #define PSYCHO_IOMMU_TAG_WRITE (0x1UL << 21UL) #define PSYCHO_IOMMU_TAG_STREAM (0x1UL << 20UL) #define PSYCHO_IOMMU_TAG_SIZE (0x1UL << 19UL) -#define PSYCHO_IOMMU_TAG_VPAGE 0x7ffffUL +#define PSYCHO_IOMMU_TAG_VPAGE 0x7ffffULL #define PSYCHO_IOMMU_DATA_VALID (1UL << 30UL) #define PSYCHO_IOMMU_DATA_CACHE (1UL << 28UL) -#define PSYCHO_IOMMU_DATA_PPAGE 0xfffffffUL +#define PSYCHO_IOMMU_DATA_PPAGE 0xfffffffULL static void psycho_dump_iommu_tags_and_data(struct pci_pbm_info *pbm, u64 *tag, u64 *data) @@ -190,7 +190,7 @@ static void psycho_dump_iommu_tags_and_data(struct pci_pbm_info *pbm, pbm->name, i, ((data_val & PSYCHO_IOMMU_DATA_VALID) ? 1 : 0), ((data_val & PSYCHO_IOMMU_DATA_CACHE) ? 1 : 0), - (data_val & PSYCHO_IOMMU_DATA_PPAGE)<<IOMMU_PAGE_SHIFT); + (data_val & PSYCHO_IOMMU_DATA_PPAGE) << IOMMU_PAGE_SHIFT); } } @@ -285,20 +285,20 @@ static irqreturn_t psycho_pcierr_intr_other(struct pci_pbm_info *pbm) return ret; } -#define PSYCHO_PCIAFSR_PMA 0x8000000000000000UL -#define PSYCHO_PCIAFSR_PTA 0x4000000000000000UL -#define PSYCHO_PCIAFSR_PRTRY 0x2000000000000000UL -#define PSYCHO_PCIAFSR_PPERR 0x1000000000000000UL -#define PSYCHO_PCIAFSR_SMA 0x0800000000000000UL -#define PSYCHO_PCIAFSR_STA 0x0400000000000000UL -#define PSYCHO_PCIAFSR_SRTRY 0x0200000000000000UL -#define PSYCHO_PCIAFSR_SPERR 0x0100000000000000UL -#define PSYCHO_PCIAFSR_RESV1 0x00ff000000000000UL -#define PSYCHO_PCIAFSR_BMSK 0x0000ffff00000000UL -#define PSYCHO_PCIAFSR_BLK 0x0000000080000000UL -#define PSYCHO_PCIAFSR_RESV2 0x0000000040000000UL -#define PSYCHO_PCIAFSR_MID 0x000000003e000000UL -#define PSYCHO_PCIAFSR_RESV3 0x0000000001ffffffUL +#define PSYCHO_PCIAFSR_PMA 0x8000000000000000ULL +#define PSYCHO_PCIAFSR_PTA 0x4000000000000000ULL +#define PSYCHO_PCIAFSR_PRTRY 0x2000000000000000ULL +#define PSYCHO_PCIAFSR_PPERR 0x1000000000000000ULL +#define PSYCHO_PCIAFSR_SMA 0x0800000000000000ULL +#define PSYCHO_PCIAFSR_STA 0x0400000000000000ULL +#define PSYCHO_PCIAFSR_SRTRY 0x0200000000000000ULL +#define PSYCHO_PCIAFSR_SPERR 0x0100000000000000ULL +#define PSYCHO_PCIAFSR_RESV1 0x00ff000000000000ULL +#define PSYCHO_PCIAFSR_BMSK 0x0000ffff00000000ULL +#define PSYCHO_PCIAFSR_BLK 0x0000000080000000ULL +#define PSYCHO_PCIAFSR_RESV2 0x0000000040000000ULL +#define PSYCHO_PCIAFSR_MID 0x000000003e000000ULL +#define PSYCHO_PCIAFSR_RESV3 0x0000000001ffffffULL irqreturn_t psycho_pcierr_intr(int irq, void *dev_id) { diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c index 2ead310066d..406e0872504 100644 --- a/arch/sparc/kernel/sbus.c +++ b/arch/sparc/kernel/sbus.c @@ -117,6 +117,7 @@ void sbus_set_sbus64(struct device *dev, int bursts) val |= (1UL << 4UL); upa_writeq(val, cfg_reg); } +EXPORT_SYMBOL(sbus_set_sbus64); /* INO number to IMAP register offset for SYSIO external IRQ's. * This should conform to both Sunfire/Wildfire server and Fusion diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c index c96c65d1b58..998cadb4e7f 100644 --- a/arch/sparc/kernel/setup_32.c +++ b/arch/sparc/kernel/setup_32.c @@ -199,7 +199,9 @@ extern unsigned short ram_flags; extern int root_mountflags; char reboot_command[COMMAND_LINE_SIZE]; + enum sparc_cpu sparc_cpu_model; +EXPORT_SYMBOL(sparc_cpu_model); struct tt_entry *sparc_ttable; @@ -391,6 +393,7 @@ void sun_do_break(void) prom_cmdline(); } +EXPORT_SYMBOL(sun_do_break); int stop_a_enabled = 1; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 555db7452eb..f2bcfd2967d 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -58,6 +58,7 @@ * operations in asm/ns87303.h */ DEFINE_SPINLOCK(ns87303_lock); +EXPORT_SYMBOL(ns87303_lock); struct screen_info screen_info = { 0, 0, /* orig-x, orig-y */ @@ -353,6 +354,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused) seq_printf(m, "cpu\t\t: %s\n" "fpu\t\t: %s\n" + "pmu\t\t: %s\n" "prom\t\t: %s\n" "type\t\t: %s\n" "ncpus probed\t: %d\n" @@ -365,6 +367,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused) , sparc_cpu_type, sparc_fpu_type, + sparc_pmu_type, prom_version, ((tlb_type == hypervisor) ? "sun4v" : @@ -425,5 +428,7 @@ void sun_do_break(void) prom_cmdline(); } +EXPORT_SYMBOL(sun_do_break); int stop_a_enabled = 1; +EXPORT_SYMBOL(stop_a_enabled); diff --git a/arch/sparc/kernel/sparc_ksyms_32.c b/arch/sparc/kernel/sparc_ksyms_32.c index e1e97639231..baeab872023 100644 --- a/arch/sparc/kernel/sparc_ksyms_32.c +++ b/arch/sparc/kernel/sparc_ksyms_32.c @@ -5,49 +5,14 @@ * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be) */ -/* Tell string.h we don't want memcpy etc. as cpp defines */ -#define EXPORT_SYMTAB_STROPS -#define PROMLIB_INTERNAL - #include <linux/module.h> #include <linux/init.h> -#include <linux/smp.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/sched.h> -#include <linux/interrupt.h> -#include <linux/in6.h> -#include <linux/spinlock.h> -#include <linux/mm.h> -#include <linux/syscalls.h> -#ifdef CONFIG_PCI -#include <linux/pci.h> -#endif -#include <linux/pm.h> -#ifdef CONFIG_HIGHMEM -#include <linux/highmem.h> -#endif -#include <asm/oplib.h> -#include <asm/delay.h> -#include <asm/system.h> -#include <asm/auxio.h> #include <asm/pgtable.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/idprom.h> -#include <asm/head.h> -#include <asm/smp.h> -#include <asm/ptrace.h> #include <asm/uaccess.h> -#include <asm/checksum.h> -#ifdef CONFIG_SBUS +#include <asm/delay.h> +#include <asm/head.h> #include <asm/dma.h> -#endif -#include <asm/io-unit.h> -#include <asm/bug.h> - -extern spinlock_t rtc_lock; struct poll { int fd; @@ -55,72 +20,15 @@ struct poll { short revents; }; -extern void (*__copy_1page)(void *, const void *); -extern void __memmove(void *, const void *, __kernel_size_t); -extern void (*bzero_1page)(void *); -extern void *__bzero(void *, size_t); -extern void *__memscan_zero(void *, size_t); -extern void *__memscan_generic(void *, int, size_t); -extern int __strncmp(const char *, const char *, __kernel_size_t); - -extern int __ashrdi3(int, int); -extern int __ashldi3(int, int); -extern int __lshrdi3(int, int); -extern int __muldi3(int, int); -extern int __divdi3(int, int); - -/* Private functions with odd calling conventions. */ -extern void ___atomic24_add(void); -extern void ___atomic24_sub(void); -extern void ___rw_read_enter(void); -extern void ___rw_read_try(void); -extern void ___rw_read_exit(void); -extern void ___rw_write_enter(void); - -/* Alias functions whose names begin with "." and export the aliases. - * The module references will be fixed up by module_frob_arch_sections. - */ -extern int _Div(int, int); -extern int _Mul(int, int); -extern int _Rem(int, int); -extern unsigned _Udiv(unsigned, unsigned); -extern unsigned _Umul(unsigned, unsigned); -extern unsigned _Urem(unsigned, unsigned); - -/* used by various drivers */ -EXPORT_SYMBOL(sparc_cpu_model); -EXPORT_SYMBOL(kernel_thread); -#ifdef CONFIG_SMP -// XXX find what uses (or used) these. AV: see asm/spinlock.h -EXPORT_SYMBOL(___rw_read_enter); -EXPORT_SYMBOL(___rw_read_try); -EXPORT_SYMBOL(___rw_read_exit); -EXPORT_SYMBOL(___rw_write_enter); -#endif - -EXPORT_SYMBOL(sparc_valid_addr_bitmap); -EXPORT_SYMBOL(phys_base); -EXPORT_SYMBOL(pfn_base); - -/* Atomic operations. */ -EXPORT_SYMBOL(___atomic24_add); -EXPORT_SYMBOL(___atomic24_sub); - -/* Per-CPU information table */ -EXPORT_PER_CPU_SYMBOL(__cpu_data); - -#ifdef CONFIG_SMP -/* IRQ implementation. */ -EXPORT_SYMBOL(synchronize_irq); -#endif - +/* from entry.S */ EXPORT_SYMBOL(__udelay); EXPORT_SYMBOL(__ndelay); -EXPORT_SYMBOL(rtc_lock); -EXPORT_SYMBOL(set_auxio); -EXPORT_SYMBOL(get_auxio); -EXPORT_SYMBOL(io_remap_pfn_range); +/* from head_32.S */ +EXPORT_SYMBOL(__ret_efault); +EXPORT_SYMBOL(empty_zero_page); + +/* Defined using magic */ #ifndef CONFIG_SMP EXPORT_SYMBOL(BTFIXUP_CALL(___xchg32)); #else @@ -132,122 +40,7 @@ EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_sgl)); EXPORT_SYMBOL(BTFIXUP_CALL(mmu_get_scsi_one)); EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_sgl)); EXPORT_SYMBOL(BTFIXUP_CALL(mmu_release_scsi_one)); - EXPORT_SYMBOL(BTFIXUP_CALL(pgprot_noncached)); -#ifdef CONFIG_SBUS -EXPORT_SYMBOL(sbus_set_sbus64); -#endif -#ifdef CONFIG_PCI -EXPORT_SYMBOL(insb); -EXPORT_SYMBOL(outsb); -EXPORT_SYMBOL(insw); -EXPORT_SYMBOL(outsw); -EXPORT_SYMBOL(insl); -EXPORT_SYMBOL(outsl); -EXPORT_SYMBOL(pci_alloc_consistent); -EXPORT_SYMBOL(pci_free_consistent); -EXPORT_SYMBOL(pci_map_single); -EXPORT_SYMBOL(pci_unmap_single); -EXPORT_SYMBOL(pci_dma_sync_single_for_cpu); -EXPORT_SYMBOL(pci_dma_sync_single_for_device); -EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu); -EXPORT_SYMBOL(pci_dma_sync_sg_for_device); -EXPORT_SYMBOL(pci_map_sg); -EXPORT_SYMBOL(pci_unmap_sg); -EXPORT_SYMBOL(pci_map_page); -EXPORT_SYMBOL(pci_unmap_page); -/* Actually, ioremap/iounmap are not PCI specific. But it is ok for drivers. */ -EXPORT_SYMBOL(ioremap); -EXPORT_SYMBOL(iounmap); -#endif - -/* in arch/sparc/mm/highmem.c */ -#ifdef CONFIG_HIGHMEM -EXPORT_SYMBOL(kmap_atomic); -EXPORT_SYMBOL(kunmap_atomic); -#endif - -/* prom symbols */ -EXPORT_SYMBOL(idprom); -EXPORT_SYMBOL(prom_root_node); -EXPORT_SYMBOL(prom_getchild); -EXPORT_SYMBOL(prom_getsibling); -EXPORT_SYMBOL(prom_searchsiblings); -EXPORT_SYMBOL(prom_firstprop); -EXPORT_SYMBOL(prom_nextprop); -EXPORT_SYMBOL(prom_getproplen); -EXPORT_SYMBOL(prom_getproperty); -EXPORT_SYMBOL(prom_node_has_property); -EXPORT_SYMBOL(prom_setprop); +/* Exporting a symbol from /init/main.c */ EXPORT_SYMBOL(saved_command_line); -EXPORT_SYMBOL(prom_apply_obio_ranges); -EXPORT_SYMBOL(prom_feval); -EXPORT_SYMBOL(prom_getbool); -EXPORT_SYMBOL(prom_getstring); -EXPORT_SYMBOL(prom_getint); -EXPORT_SYMBOL(prom_getintdefault); -EXPORT_SYMBOL(prom_finddevice); -EXPORT_SYMBOL(romvec); -EXPORT_SYMBOL(__prom_getchild); -EXPORT_SYMBOL(__prom_getsibling); - -/* sparc library symbols */ -EXPORT_SYMBOL(memscan); -EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(strncmp); -EXPORT_SYMBOL(page_kernel); - -/* Special internal versions of library functions. */ -EXPORT_SYMBOL(__copy_1page); -EXPORT_SYMBOL(__memcpy); -EXPORT_SYMBOL(__memset); -EXPORT_SYMBOL(bzero_1page); -EXPORT_SYMBOL(__bzero); -EXPORT_SYMBOL(__memscan_zero); -EXPORT_SYMBOL(__memscan_generic); -EXPORT_SYMBOL(__strncmp); -EXPORT_SYMBOL(__memmove); - -/* Moving data to/from userspace. */ -EXPORT_SYMBOL(__copy_user); -EXPORT_SYMBOL(__strncpy_from_user); -EXPORT_SYMBOL(__strnlen_user); - -/* Networking helper routines. */ -EXPORT_SYMBOL(__csum_partial_copy_sparc_generic); -EXPORT_SYMBOL(csum_partial); - -/* Cache flushing. */ -EXPORT_SYMBOL(sparc_flush_page_to_ram); - -/* For when serial stuff is built as modules. */ -EXPORT_SYMBOL(sun_do_break); - -EXPORT_SYMBOL(__ret_efault); - -EXPORT_SYMBOL(memcmp); -EXPORT_SYMBOL(memcpy); -EXPORT_SYMBOL(memset); -EXPORT_SYMBOL(memmove); -EXPORT_SYMBOL(__ashrdi3); -EXPORT_SYMBOL(__ashldi3); -EXPORT_SYMBOL(__lshrdi3); -EXPORT_SYMBOL(__muldi3); -EXPORT_SYMBOL(__divdi3); - -EXPORT_SYMBOL(_Rem); -EXPORT_SYMBOL(_Urem); -EXPORT_SYMBOL(_Mul); -EXPORT_SYMBOL(_Umul); -EXPORT_SYMBOL(_Div); -EXPORT_SYMBOL(_Udiv); - -#ifdef CONFIG_DEBUG_BUGVERBOSE -EXPORT_SYMBOL(do_BUG); -#endif - -/* Sun Power Management Idle Handler */ -EXPORT_SYMBOL(pm_idle); - -EXPORT_SYMBOL(empty_zero_page); diff --git a/arch/sparc/kernel/sparc_ksyms_64.c b/arch/sparc/kernel/sparc_ksyms_64.c index 0133211ab63..0f26066a08d 100644 --- a/arch/sparc/kernel/sparc_ksyms_64.c +++ b/arch/sparc/kernel/sparc_ksyms_64.c @@ -5,50 +5,15 @@ * Copyright (C) 1999 Jakub Jelinek (jj@ultra.linux.cz) */ -/* Tell string.h we don't want memcpy etc. as cpp defines */ -#define EXPORT_SYMTAB_STROPS -#define PROMLIB_INTERNAL - #include <linux/module.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/sched.h> -#include <linux/in6.h> #include <linux/pci.h> -#include <linux/interrupt.h> -#include <linux/fs_struct.h> -#include <linux/fs.h> -#include <linux/mm.h> -#include <linux/socket.h> -#include <linux/syscalls.h> -#include <linux/percpu.h> #include <linux/init.h> -#include <linux/rwsem.h> -#include <net/compat.h> -#include <asm/oplib.h> #include <asm/system.h> -#include <asm/auxio.h> -#include <asm/pgtable.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/idprom.h> -#include <asm/elf.h> -#include <asm/head.h> -#include <asm/smp.h> -#include <asm/ptrace.h> -#include <asm/uaccess.h> -#include <asm/checksum.h> -#include <asm/fpumacro.h> -#include <asm/pgalloc.h> -#include <asm/cacheflush.h> -#ifdef CONFIG_SBUS -#include <asm/dma.h> -#endif -#include <asm/ns87303.h> -#include <asm/timer.h> #include <asm/cpudata.h> -#include <asm/ftrace.h> +#include <asm/uaccess.h> +#include <asm/spitfire.h> +#include <asm/oplib.h> #include <asm/hypervisor.h> struct poll { @@ -57,114 +22,24 @@ struct poll { short revents; }; -extern void die_if_kernel(char *str, struct pt_regs *regs); -extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); -extern void *__bzero(void *, size_t); -extern void *__memscan_zero(void *, size_t); -extern void *__memscan_generic(void *, int, size_t); -extern __kernel_size_t strlen(const char *); -extern void sys_sigsuspend(void); -extern int compat_sys_ioctl(unsigned int fd, unsigned int cmd, u32 arg); -extern int (*handle_mathemu)(struct pt_regs *, struct fpustate *); -extern long sparc32_open(const char __user * filename, int flags, int mode); -extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, unsigned long size, pgprot_t prot); - -extern int __ashrdi3(int, int); - -extern int dump_fpu (struct pt_regs * regs, elf_fpregset_t * fpregs); - -extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); -extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, - unsigned long *); -extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *); -extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *, unsigned long *); - -extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *); -extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *, - unsigned long *); -extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *); -extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *, unsigned long *); - -/* Per-CPU information table */ -EXPORT_PER_CPU_SYMBOL(__cpu_data); - -/* used by various drivers */ -#ifdef CONFIG_SMP -/* Out of line rw-locking implementation. */ -EXPORT_SYMBOL(__read_lock); -EXPORT_SYMBOL(__read_unlock); -EXPORT_SYMBOL(__write_lock); -EXPORT_SYMBOL(__write_unlock); -EXPORT_SYMBOL(__write_trylock); -#endif /* CONFIG_SMP */ - -#ifdef CONFIG_MCOUNT -EXPORT_SYMBOL(_mcount); -#endif - -EXPORT_SYMBOL(sparc64_get_clock_tick); - -/* RW semaphores */ -EXPORT_SYMBOL(__down_read); -EXPORT_SYMBOL(__down_read_trylock); -EXPORT_SYMBOL(__down_write); -EXPORT_SYMBOL(__down_write_trylock); -EXPORT_SYMBOL(__up_read); -EXPORT_SYMBOL(__up_write); -EXPORT_SYMBOL(__downgrade_write); - -/* Atomic counter implementation. */ -EXPORT_SYMBOL(atomic_add); -EXPORT_SYMBOL(atomic_add_ret); -EXPORT_SYMBOL(atomic_sub); -EXPORT_SYMBOL(atomic_sub_ret); -EXPORT_SYMBOL(atomic64_add); -EXPORT_SYMBOL(atomic64_add_ret); -EXPORT_SYMBOL(atomic64_sub); -EXPORT_SYMBOL(atomic64_sub_ret); - -/* Atomic bit operations. */ -EXPORT_SYMBOL(test_and_set_bit); -EXPORT_SYMBOL(test_and_clear_bit); -EXPORT_SYMBOL(test_and_change_bit); -EXPORT_SYMBOL(set_bit); -EXPORT_SYMBOL(clear_bit); -EXPORT_SYMBOL(change_bit); - +/* from helpers.S */ EXPORT_SYMBOL(__flushw_user); +EXPORT_SYMBOL_GPL(real_hard_smp_processor_id); +/* from head_64.S */ +EXPORT_SYMBOL(__ret_efault); EXPORT_SYMBOL(tlb_type); EXPORT_SYMBOL(sun4v_chip_type); -EXPORT_SYMBOL(get_fb_unmapped_area); -EXPORT_SYMBOL(flush_icache_range); - -EXPORT_SYMBOL(flush_dcache_page); -#ifdef DCACHE_ALIASING_POSSIBLE -EXPORT_SYMBOL(__flush_dcache_range); -#endif +EXPORT_SYMBOL(prom_root_node); +/* from hvcalls.S */ EXPORT_SYMBOL(sun4v_niagara_getperf); EXPORT_SYMBOL(sun4v_niagara_setperf); EXPORT_SYMBOL(sun4v_niagara2_getperf); EXPORT_SYMBOL(sun4v_niagara2_setperf); -EXPORT_SYMBOL(auxio_set_led); -EXPORT_SYMBOL(auxio_set_lte); -#ifdef CONFIG_SBUS -EXPORT_SYMBOL(sbus_set_sbus64); -#endif -EXPORT_SYMBOL(outsb); -EXPORT_SYMBOL(outsw); -EXPORT_SYMBOL(outsl); -EXPORT_SYMBOL(insb); -EXPORT_SYMBOL(insw); -EXPORT_SYMBOL(insl); #ifdef CONFIG_PCI +/* inline functions in asm/pci_64.h */ EXPORT_SYMBOL(pci_alloc_consistent); EXPORT_SYMBOL(pci_free_consistent); EXPORT_SYMBOL(pci_map_single); @@ -173,112 +48,7 @@ EXPORT_SYMBOL(pci_map_sg); EXPORT_SYMBOL(pci_unmap_sg); EXPORT_SYMBOL(pci_dma_sync_single_for_cpu); EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu); -EXPORT_SYMBOL(pci_dma_supported); #endif -/* I/O device mmaping on Sparc64. */ -EXPORT_SYMBOL(io_remap_pfn_range); - -EXPORT_SYMBOL(dump_fpu); - -/* math-emu wants this */ -EXPORT_SYMBOL(die_if_kernel); - -/* Kernel thread creation. */ -EXPORT_SYMBOL(kernel_thread); - -/* prom symbols */ -EXPORT_SYMBOL(idprom); -EXPORT_SYMBOL(prom_root_node); -EXPORT_SYMBOL(prom_getchild); -EXPORT_SYMBOL(prom_getsibling); -EXPORT_SYMBOL(prom_searchsiblings); -EXPORT_SYMBOL(prom_firstprop); -EXPORT_SYMBOL(prom_nextprop); -EXPORT_SYMBOL(prom_getproplen); -EXPORT_SYMBOL(prom_getproperty); -EXPORT_SYMBOL(prom_node_has_property); -EXPORT_SYMBOL(prom_setprop); +/* Exporting a symbol from /init/main.c */ EXPORT_SYMBOL(saved_command_line); -EXPORT_SYMBOL(prom_finddevice); -EXPORT_SYMBOL(prom_feval); -EXPORT_SYMBOL(prom_getbool); -EXPORT_SYMBOL(prom_getstring); -EXPORT_SYMBOL(prom_getint); -EXPORT_SYMBOL(prom_getintdefault); -EXPORT_SYMBOL(__prom_getchild); -EXPORT_SYMBOL(__prom_getsibling); - -/* sparc library symbols */ -EXPORT_SYMBOL(strlen); -EXPORT_SYMBOL(__strlen_user); -EXPORT_SYMBOL(__strnlen_user); - -/* Special internal versions of library functions. */ -EXPORT_SYMBOL(_clear_page); -EXPORT_SYMBOL(clear_user_page); -EXPORT_SYMBOL(copy_user_page); -EXPORT_SYMBOL(__bzero); -EXPORT_SYMBOL(__memscan_zero); -EXPORT_SYMBOL(__memscan_generic); -EXPORT_SYMBOL(__memset); - -EXPORT_SYMBOL(csum_partial); -EXPORT_SYMBOL(csum_partial_copy_nocheck); -EXPORT_SYMBOL(__csum_partial_copy_from_user); -EXPORT_SYMBOL(__csum_partial_copy_to_user); -EXPORT_SYMBOL(ip_fast_csum); - -/* Moving data to/from/in userspace. */ -EXPORT_SYMBOL(___copy_to_user); -EXPORT_SYMBOL(___copy_from_user); -EXPORT_SYMBOL(___copy_in_user); -EXPORT_SYMBOL(copy_to_user_fixup); -EXPORT_SYMBOL(copy_from_user_fixup); -EXPORT_SYMBOL(copy_in_user_fixup); -EXPORT_SYMBOL(__strncpy_from_user); -EXPORT_SYMBOL(__clear_user); - -/* Various address conversion macros use this. */ -EXPORT_SYMBOL(sparc64_valid_addr_bitmap); - -/* No version information on this, heavily used in inline asm, - * and will always be 'void __ret_efault(void)'. - */ -EXPORT_SYMBOL(__ret_efault); - -/* No version information on these, as gcc produces such symbols. */ -EXPORT_SYMBOL(memcmp); -EXPORT_SYMBOL(memcpy); -EXPORT_SYMBOL(memset); -EXPORT_SYMBOL(memmove); -EXPORT_SYMBOL(strncmp); - -void VISenter(void); -/* RAID code needs this */ -EXPORT_SYMBOL(VISenter); - -/* for input/keybdev */ -EXPORT_SYMBOL(sun_do_break); -EXPORT_SYMBOL(stop_a_enabled); - -#ifdef CONFIG_DEBUG_BUGVERBOSE -EXPORT_SYMBOL(do_BUG); -#endif - -/* for ns8703 */ -EXPORT_SYMBOL(ns87303_lock); - -EXPORT_SYMBOL(tick_ops); - -EXPORT_SYMBOL(xor_vis_2); -EXPORT_SYMBOL(xor_vis_3); -EXPORT_SYMBOL(xor_vis_4); -EXPORT_SYMBOL(xor_vis_5); - -EXPORT_SYMBOL(xor_niagara_2); -EXPORT_SYMBOL(xor_niagara_3); -EXPORT_SYMBOL(xor_niagara_4); -EXPORT_SYMBOL(xor_niagara_5); - -EXPORT_SYMBOL_GPL(real_hard_smp_processor_id); diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index 16ab0cb731c..50afaed99c8 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -60,7 +60,7 @@ extern int __smp4d_processor_id(void); #define SMP_PRINTK(x) #endif -static inline unsigned long swap(volatile unsigned long *ptr, unsigned long val) +static inline unsigned long sun4d_swap(volatile unsigned long *ptr, unsigned long val) { __asm__ __volatile__("swap [%1], %0\n\t" : "=&r" (val), "=&r" (ptr) : @@ -115,7 +115,7 @@ void __cpuinit smp4d_callin(void) local_flush_tlb_all(); /* Allow master to continue. */ - swap((unsigned long *)&cpu_callin_map[cpuid], 1); + sun4d_swap((unsigned long *)&cpu_callin_map[cpuid], 1); local_flush_cache_all(); local_flush_tlb_all(); diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 39749e32dc7..e2d102447a4 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -23,6 +23,7 @@ #include <linux/ipc.h> #include <linux/personality.h> #include <linux/random.h> +#include <linux/module.h> #include <asm/uaccess.h> #include <asm/utrap.h> @@ -354,6 +355,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u return addr; } +EXPORT_SYMBOL(get_fb_unmapped_area); /* Essentially the same as PowerPC... */ void arch_pick_mmap_layout(struct mm_struct *mm) @@ -397,7 +399,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm) } } -asmlinkage unsigned long sparc_brk(unsigned long brk) +SYSCALL_DEFINE1(sparc_brk, unsigned long, brk) { /* People could try to be nasty and use ta 0x6d in 32bit programs */ if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32) @@ -413,7 +415,7 @@ asmlinkage unsigned long sparc_brk(unsigned long brk) * sys_pipe() is the normal C calling standard for creating * a pipe. It's not the way unix traditionally does this, though. */ -asmlinkage long sparc_pipe(struct pt_regs *regs) +SYSCALL_DEFINE1(sparc_pipe_real, struct pt_regs *, regs) { int fd[2]; int error; @@ -433,8 +435,8 @@ out: * This is really horribly ugly. */ -asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, - unsigned long third, void __user *ptr, long fifth) +SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second, + unsigned long, third, void __user *, ptr, long, fifth) { long err; @@ -517,7 +519,7 @@ out: return err; } -asmlinkage long sparc64_newuname(struct new_utsname __user *name) +SYSCALL_DEFINE1(sparc64_newuname, struct new_utsname __user *, name) { int ret = sys_newuname(name); @@ -528,7 +530,7 @@ asmlinkage long sparc64_newuname(struct new_utsname __user *name) return ret; } -asmlinkage long sparc64_personality(unsigned long personality) +SYSCALL_DEFINE1(sparc64_personality, unsigned long, personality) { int ret; @@ -562,9 +564,9 @@ int sparc_mmap_check(unsigned long addr, unsigned long len) } /* Linux version of mmap */ -asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, unsigned long fd, - unsigned long off) +SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, + unsigned long, prot, unsigned long, flags, unsigned long, fd, + unsigned long, off) { struct file * file = NULL; unsigned long retval = -EBADF; @@ -587,7 +589,7 @@ out: return retval; } -asmlinkage long sys64_munmap(unsigned long addr, size_t len) +SYSCALL_DEFINE2(64_munmap, unsigned long, addr, size_t, len) { long ret; @@ -604,9 +606,9 @@ extern unsigned long do_mremap(unsigned long addr, unsigned long old_len, unsigned long new_len, unsigned long flags, unsigned long new_addr); -asmlinkage unsigned long sys64_mremap(unsigned long addr, - unsigned long old_len, unsigned long new_len, - unsigned long flags, unsigned long new_addr) +SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len, + unsigned long, new_len, unsigned long, flags, + unsigned long, new_addr) { unsigned long ret = -EINVAL; @@ -669,7 +671,7 @@ asmlinkage void sparc_breakpoint(struct pt_regs *regs) extern void check_pending(int signum); -asmlinkage long sys_getdomainname(char __user *name, int len) +SYSCALL_DEFINE2(getdomainname, char __user *, name, int, len) { int nlen, err; @@ -692,11 +694,10 @@ out: return err; } -asmlinkage long sys_utrap_install(utrap_entry_t type, - utrap_handler_t new_p, - utrap_handler_t new_d, - utrap_handler_t __user *old_p, - utrap_handler_t __user *old_d) +SYSCALL_DEFINE5(utrap_install, utrap_entry_t, type, + utrap_handler_t, new_p, utrap_handler_t, new_d, + utrap_handler_t __user *, old_p, + utrap_handler_t __user *, old_d) { if (type < UT_INSTRUCTION_EXCEPTION || type > UT_TRAP_INSTRUCTION_31) return -EINVAL; @@ -762,11 +763,9 @@ asmlinkage long sparc_memory_ordering(unsigned long model, return 0; } -asmlinkage long sys_rt_sigaction(int sig, - const struct sigaction __user *act, - struct sigaction __user *oact, - void __user *restorer, - size_t sigsetsize) +SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, + struct sigaction __user *, oact, void __user *, restorer, + size_t, sigsetsize) { struct k_sigaction new_ka, old_ka; int ret; @@ -806,7 +805,8 @@ asmlinkage void update_perfctrs(void) reset_pic(); } -asmlinkage long sys_perfctr(int opcode, unsigned long arg0, unsigned long arg1, unsigned long arg2) +SYSCALL_DEFINE4(perfctr, int, opcode, unsigned long, arg0, + unsigned long, arg1, unsigned long, arg2) { int err = 0; diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S index 7a6786a7136..d150c2aa98d 100644 --- a/arch/sparc/kernel/syscalls.S +++ b/arch/sparc/kernel/syscalls.S @@ -20,8 +20,8 @@ execve_merge: add %sp, PTREGS_OFF, %o0 .align 32 -sys_pipe: - ba,pt %xcc, sparc_pipe +sys_sparc_pipe: + ba,pt %xcc, sys_sparc_pipe_real add %sp, PTREGS_OFF, %o0 sys_nis_syscall: ba,pt %xcc, c_sys_nis_syscall diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h index bc9f5dac406..15c2d752b2b 100644 --- a/arch/sparc/kernel/systbls.h +++ b/arch/sparc/kernel/systbls.h @@ -16,9 +16,6 @@ extern asmlinkage long sys_ipc(unsigned int call, int first, void __user *ptr, long fifth); extern asmlinkage long sparc64_newuname(struct new_utsname __user *name); extern asmlinkage long sparc64_personality(unsigned long personality); -extern asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long off); extern asmlinkage long sys64_munmap(unsigned long addr, size_t len); extern asmlinkage unsigned long sys64_mremap(unsigned long addr, unsigned long old_len, diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 7d080758644..dccc95df0c7 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -24,7 +24,7 @@ sys_call_table: /*25*/ .long sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause /*30*/ .long sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice /*35*/ .long sys_chown, sys_sync, sys_kill, sys_newstat, sys_sendfile -/*40*/ .long sys_newlstat, sys_dup, sys_pipe, sys_times, sys_getuid +/*40*/ .long sys_newlstat, sys_dup, sys_sparc_pipe, sys_times, sys_getuid /*45*/ .long sys_umount, sys_setgid16, sys_getgid16, sys_signal, sys_geteuid16 /*50*/ .long sys_getegid16, sys_acct, sys_nis_syscall, sys_getgid, sys_ioctl /*55*/ .long sys_reboot, sys_mmap2, sys_symlink, sys_readlink, sys_execve @@ -56,7 +56,7 @@ sys_call_table: /*185*/ .long sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_newuname /*190*/ .long sys_init_module, sys_personality, sparc_remap_file_pages, sys_epoll_create, sys_epoll_ctl /*195*/ .long sys_epoll_wait, sys_ioprio_set, sys_getppid, sparc_sigaction, sys_sgetmask -/*200*/ .long sys_ssetmask, sys_sigsuspend, sys_newlstat, sys_uselib, old_readdir +/*200*/ .long sys_ssetmask, sys_sigsuspend, sys_newlstat, sys_uselib, sys_old_readdir /*205*/ .long sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64 /*210*/ .long sys_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, sys_sysinfo /*215*/ .long sys_ipc, sys_sigreturn, sys_clone, sys_ioprio_get, sys_adjtimex diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 9fc78cf354b..f93c42a2b52 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -21,12 +21,12 @@ sys_call_table32: /*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write /*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link /*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod -/*15*/ .word sys_chmod, sys_lchown16, sparc_brk, sys32_perfctr, sys32_lseek +/*15*/ .word sys_chmod, sys_lchown16, sys_sparc_brk, sys32_perfctr, sys32_lseek /*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16 /*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause /*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice .word sys_chown, sys_sync, sys32_kill, compat_sys_newstat, sys32_sendfile -/*40*/ .word compat_sys_newlstat, sys_dup, sys_pipe, compat_sys_times, sys_getuid +/*40*/ .word compat_sys_newlstat, sys_dup, sys_sparc_pipe, compat_sys_times, sys_getuid .word sys32_umount, sys_setgid16, sys_getgid16, sys32_signal, sys_geteuid16 /*50*/ .word sys_getegid16, sys_acct, sys_nis_syscall, sys_getgid, compat_sys_ioctl .word sys32_reboot, sys32_mmap2, sys_symlink, sys32_readlink, sys32_execve @@ -55,8 +55,8 @@ sys_call_table32: /*170*/ .word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents .word sys_setsid, sys_fchdir, sys32_fgetxattr, sys_listxattr, sys_llistxattr /*180*/ .word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall - .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sparc64_newuname -/*190*/ .word sys32_init_module, sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl + .word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_sparc64_newuname +/*190*/ .word sys32_init_module, sys_sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl .word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask /*200*/ .word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir .word sys32_readahead, sys32_socketcall, sys32_syslog, sys32_lookup_dcookie, sys32_fadvise64 @@ -95,18 +95,18 @@ sys_call_table: /*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write /*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link /*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod -/*15*/ .word sys_chmod, sys_lchown, sparc_brk, sys_perfctr, sys_lseek +/*15*/ .word sys_chmod, sys_lchown, sys_sparc_brk, sys_perfctr, sys_lseek /*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid /*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall /*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice .word sys_nis_syscall, sys_sync, sys_kill, sys_newstat, sys_sendfile64 -/*40*/ .word sys_newlstat, sys_dup, sys_pipe, sys_times, sys_nis_syscall +/*40*/ .word sys_newlstat, sys_dup, sys_sparc_pipe, sys_times, sys_nis_syscall .word sys_umount, sys_setgid, sys_getgid, sys_signal, sys_geteuid /*50*/ .word sys_getegid, sys_acct, sys_memory_ordering, sys_nis_syscall, sys_ioctl .word sys_reboot, sys_nis_syscall, sys_symlink, sys_readlink, sys_execve /*60*/ .word sys_umask, sys_chroot, sys_newfstat, sys_fstat64, sys_getpagesize .word sys_msync, sys_vfork, sys_pread64, sys_pwrite64, sys_nis_syscall -/*70*/ .word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys64_munmap, sys_mprotect +/*70*/ .word sys_nis_syscall, sys_mmap, sys_nis_syscall, sys_64_munmap, sys_mprotect .word sys_madvise, sys_vhangup, sys_nis_syscall, sys_mincore, sys_getgroups /*80*/ .word sys_setgroups, sys_getpgrp, sys_nis_syscall, sys_setitimer, sys_nis_syscall .word sys_swapon, sys_getitimer, sys_nis_syscall, sys_sethostname, sys_nis_syscall @@ -129,8 +129,8 @@ sys_call_table: /*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents .word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr /*180*/ .word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall - .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sparc64_newuname -/*190*/ .word sys_init_module, sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl + .word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_sparc64_newuname +/*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl .word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask /*200*/ .word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall .word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64 @@ -142,7 +142,7 @@ sys_call_table: .word sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall /*240*/ .word sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler .word sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep -/*250*/ .word sys64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl +/*250*/ .word sys_64_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl .word sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep /*260*/ .word sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun .word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index 00f7383c765..614ac7b4a9d 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -48,6 +48,8 @@ #include "irq.h" DEFINE_SPINLOCK(rtc_lock); +EXPORT_SYMBOL(rtc_lock); + static int set_rtc_mmss(unsigned long); static int sbus_do_settimeofday(struct timespec *tv); diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 54405d36214..2db3c2229b9 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -176,6 +176,7 @@ static struct sparc64_tick_ops tick_operations __read_mostly = { }; struct sparc64_tick_ops *tick_ops __read_mostly = &tick_operations; +EXPORT_SYMBOL(tick_ops); static void stick_disable_irq(void) { @@ -639,6 +640,7 @@ unsigned long sparc64_get_clock_tick(unsigned int cpu) return ft->clock_tick_ref; return cpu_data(cpu).clock_tick; } +EXPORT_SYMBOL(sparc64_get_clock_tick); #ifdef CONFIG_CPU_FREQ diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c index 213645be6e9..358283341b4 100644 --- a/arch/sparc/kernel/traps_32.c +++ b/arch/sparc/kernel/traps_32.c @@ -424,6 +424,7 @@ void do_BUG(const char *file, int line) // bust_spinlocks(1); XXX Not in our original BUG() printk("kernel BUG at %s:%d!\n", file, line); } +EXPORT_SYMBOL(do_BUG); #endif /* Since we have our mappings set up, on multiprocessors we can spin them diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index bca3b4e09c4..d809c4ebb48 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -1,6 +1,6 @@ /* arch/sparc64/kernel/traps.c * - * Copyright (C) 1995,1997,2008 David S. Miller (davem@davemloft.net) + * Copyright (C) 1995,1997,2008,2009 David S. Miller (davem@davemloft.net) * Copyright (C) 1997,1999,2000 Jakub Jelinek (jakub@redhat.com) */ @@ -128,6 +128,7 @@ void do_BUG(const char *file, int line) bust_spinlocks(1); printk("kernel BUG at %s:%d!\n", file, line); } +EXPORT_SYMBOL(do_BUG); #endif static DEFINE_SPINLOCK(dimm_handler_lock); @@ -313,6 +314,21 @@ void sun4v_data_access_exception(struct pt_regs *regs, unsigned long addr, unsig return; if (regs->tstate & TSTATE_PRIV) { + /* Test if this comes from uaccess places. */ + const struct exception_table_entry *entry; + + entry = search_exception_tables(regs->tpc); + if (entry) { + /* Ouch, somebody is trying VM hole tricks on us... */ +#ifdef DEBUG_EXCEPTIONS + printk("Exception: PC<%016lx> faddr<UNKNOWN>\n", regs->tpc); + printk("EX_TABLE: insn<%016lx> fixup<%016lx>\n", + regs->tpc, entry->fixup); +#endif + regs->tpc = entry->fixup; + regs->tnpc = regs->tpc + 4; + return; + } printk("sun4v_data_access_exception: ADDR[%016lx] " "CTX[%04x] TYPE[%04x], going.\n", addr, ctx, type); @@ -2261,6 +2277,7 @@ void die_if_kernel(char *str, struct pt_regs *regs) do_exit(SIGKILL); do_exit(SIGSEGV); } +EXPORT_SYMBOL(die_if_kernel); #define VIS_OPCODE_MASK ((0x3 << 30) | (0x3f << 19)) #define VIS_OPCODE_VAL ((0x2 << 30) | (0x36 << 19)) diff --git a/arch/sparc/kernel/ttable.S b/arch/sparc/kernel/ttable.S index ea925503b42..76d837fc47d 100644 --- a/arch/sparc/kernel/ttable.S +++ b/arch/sparc/kernel/ttable.S @@ -63,7 +63,13 @@ tl0_irq6: TRAP_IRQ(smp_call_function_single_client, 6) #else tl0_irq6: BTRAP(0x46) #endif -tl0_irq7: BTRAP(0x47) BTRAP(0x48) BTRAP(0x49) +tl0_irq7: TRAP_IRQ(deferred_pcr_work_irq, 7) +#ifdef CONFIG_KGDB +tl0_irq8: TRAP_IRQ(smp_kgdb_capture_client, 8) +#else +tl0_irq8: BTRAP(0x48) +#endif +tl0_irq9: BTRAP(0x49) tl0_irq10: BTRAP(0x4a) BTRAP(0x4b) BTRAP(0x4c) BTRAP(0x4d) tl0_irq14: TRAP_IRQ(timer_interrupt, 14) tl0_irq15: TRAP_NMI_IRQ(perfctr_irq, 15) diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index f164d5a850f..379209982a0 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -589,7 +589,6 @@ void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr unsigned long pc = regs->tpc; unsigned long tstate = regs->tstate; u32 insn; - u32 first, second; u64 value; u8 freg; int flag; @@ -601,19 +600,20 @@ void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr pc = (u32)pc; if (get_user(insn, (u32 __user *) pc) != -EFAULT) { int asi = decode_asi(insn, regs); + u32 first, second; int err; if ((asi > ASI_SNFL) || (asi < ASI_P)) goto daex; + first = second = 0; err = get_user(first, (u32 __user *)sfar); if (!err) err = get_user(second, (u32 __user *)(sfar + 4)); if (err) { - if (asi & 0x2) /* NF */ { - first = 0; second = 0; - } else + if (!(asi & 0x2)) goto daex; + first = second = 0; } save_and_clear_fpu(); freg = ((insn >> 25) & 0x1e) | ((insn >> 20) & 0x20); |