diff options
Diffstat (limited to 'arch/mips/include/asm')
-rw-r--r-- | arch/mips/include/asm/abi.h | 6 | ||||
-rw-r--r-- | arch/mips/include/asm/cmpxchg.h | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/elf.h | 5 | ||||
-rw-r--r-- | arch/mips/include/asm/fpu_emulator.h | 6 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 15 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h | 6 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h | 4 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-loongson/loongson.h | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/mach-sibyte/war.h | 6 | ||||
-rw-r--r-- | arch/mips/include/asm/mmu.h | 5 | ||||
-rw-r--r-- | arch/mips/include/asm/mmu_context.h | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/page.h | 6 | ||||
-rw-r--r-- | arch/mips/include/asm/pgtable-64.h | 9 | ||||
-rw-r--r-- | arch/mips/include/asm/processor.h | 11 | ||||
-rw-r--r-- | arch/mips/include/asm/ptrace.h | 4 | ||||
-rw-r--r-- | arch/mips/include/asm/stackframe.h | 19 | ||||
-rw-r--r-- | arch/mips/include/asm/uasm.h | 20 | ||||
-rw-r--r-- | arch/mips/include/asm/vdso.h | 29 |
20 files changed, 144 insertions, 17 deletions
diff --git a/arch/mips/include/asm/abi.h b/arch/mips/include/asm/abi.h index 1dd74fbdc09..9252d9b50e5 100644 --- a/arch/mips/include/asm/abi.h +++ b/arch/mips/include/asm/abi.h @@ -13,12 +13,14 @@ #include <asm/siginfo.h> struct mips_abi { - int (* const setup_frame)(struct k_sigaction * ka, + int (* const setup_frame)(void *sig_return, struct k_sigaction *ka, struct pt_regs *regs, int signr, sigset_t *set); - int (* const setup_rt_frame)(struct k_sigaction * ka, + const unsigned long signal_return_offset; + int (* const setup_rt_frame)(void *sig_return, struct k_sigaction *ka, struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info); + const unsigned long rt_signal_return_offset; const unsigned long restart; }; diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h index ed9aaaaf074..2d28017e95d 100644 --- a/arch/mips/include/asm/cmpxchg.h +++ b/arch/mips/include/asm/cmpxchg.h @@ -16,7 +16,7 @@ ({ \ __typeof(*(m)) __ret; \ \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ + if (kernel_uses_llsc && R10000_LLSC_WAR) { \ __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index e53d7bed5cd..ea77a42c5f8 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -310,6 +310,7 @@ do { \ #endif /* CONFIG_64BIT */ +struct pt_regs; struct task_struct; extern void elf_dump_regs(elf_greg_t *, struct pt_regs *regs); @@ -367,4 +368,8 @@ extern const char *__elf_platform; #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) #endif +#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 +struct linux_binprm; +extern int arch_setup_additional_pages(struct linux_binprm *bprm, + int uses_interp); #endif /* _ASM_ELF_H */ diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h index aecada6f611..3b409270556 100644 --- a/arch/mips/include/asm/fpu_emulator.h +++ b/arch/mips/include/asm/fpu_emulator.h @@ -41,7 +41,11 @@ struct mips_fpu_emulator_stats { DECLARE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats); #define MIPS_FPU_EMU_INC_STATS(M) \ - cpu_local_wrap(__local_inc(&__get_cpu_var(fpuemustats).M)) +do { \ + preempt_disable(); \ + __local_inc(&__get_cpu_var(fpuemustats).M); \ + preempt_enable(); \ +} while (0) #else #define MIPS_FPU_EMU_INC_STATS(M) do { } while (0) diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h index b12c4aca2cc..96a2391ad85 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h @@ -85,6 +85,7 @@ enum bcm63xx_regs_set { RSET_TIMER, RSET_WDT, RSET_UART0, + RSET_UART1, RSET_GPIO, RSET_SPI, RSET_UDC0, @@ -123,6 +124,7 @@ enum bcm63xx_regs_set { #define BCM_6338_TIMER_BASE (0xfffe0200) #define BCM_6338_WDT_BASE (0xfffe021c) #define BCM_6338_UART0_BASE (0xfffe0300) +#define BCM_6338_UART1_BASE (0xdeadbeef) #define BCM_6338_GPIO_BASE (0xfffe0400) #define BCM_6338_SPI_BASE (0xfffe0c00) #define BCM_6338_UDC0_BASE (0xdeadbeef) @@ -153,6 +155,7 @@ enum bcm63xx_regs_set { #define BCM_6345_TIMER_BASE (0xfffe0200) #define BCM_6345_WDT_BASE (0xfffe021c) #define BCM_6345_UART0_BASE (0xfffe0300) +#define BCM_6345_UART1_BASE (0xdeadbeef) #define BCM_6345_GPIO_BASE (0xfffe0400) #define BCM_6345_SPI_BASE (0xdeadbeef) #define BCM_6345_UDC0_BASE (0xdeadbeef) @@ -182,6 +185,7 @@ enum bcm63xx_regs_set { #define BCM_6348_TIMER_BASE (0xfffe0200) #define BCM_6348_WDT_BASE (0xfffe021c) #define BCM_6348_UART0_BASE (0xfffe0300) +#define BCM_6348_UART1_BASE (0xdeadbeef) #define BCM_6348_GPIO_BASE (0xfffe0400) #define BCM_6348_SPI_BASE (0xfffe0c00) #define BCM_6348_UDC0_BASE (0xfffe1000) @@ -208,6 +212,7 @@ enum bcm63xx_regs_set { #define BCM_6358_TIMER_BASE (0xfffe0040) #define BCM_6358_WDT_BASE (0xfffe005c) #define BCM_6358_UART0_BASE (0xfffe0100) +#define BCM_6358_UART1_BASE (0xfffe0120) #define BCM_6358_GPIO_BASE (0xfffe0080) #define BCM_6358_SPI_BASE (0xdeadbeef) #define BCM_6358_UDC0_BASE (0xfffe0800) @@ -246,6 +251,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) return BCM_6338_WDT_BASE; case RSET_UART0: return BCM_6338_UART0_BASE; + case RSET_UART1: + return BCM_6338_UART1_BASE; case RSET_GPIO: return BCM_6338_GPIO_BASE; case RSET_SPI: @@ -292,6 +299,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) return BCM_6345_WDT_BASE; case RSET_UART0: return BCM_6345_UART0_BASE; + case RSET_UART1: + return BCM_6345_UART1_BASE; case RSET_GPIO: return BCM_6345_GPIO_BASE; case RSET_SPI: @@ -338,6 +347,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) return BCM_6348_WDT_BASE; case RSET_UART0: return BCM_6348_UART0_BASE; + case RSET_UART1: + return BCM_6348_UART1_BASE; case RSET_GPIO: return BCM_6348_GPIO_BASE; case RSET_SPI: @@ -384,6 +395,8 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) return BCM_6358_WDT_BASE; case RSET_UART0: return BCM_6358_UART0_BASE; + case RSET_UART1: + return BCM_6358_UART1_BASE; case RSET_GPIO: return BCM_6358_GPIO_BASE; case RSET_SPI: @@ -429,6 +442,7 @@ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set) enum bcm63xx_irq { IRQ_TIMER = 0, IRQ_UART0, + IRQ_UART1, IRQ_DSL, IRQ_ENET0, IRQ_ENET1, @@ -510,6 +524,7 @@ enum bcm63xx_irq { */ #define BCM_6358_TIMER_IRQ (IRQ_INTERNAL_BASE + 0) #define BCM_6358_UART0_IRQ (IRQ_INTERNAL_BASE + 2) +#define BCM_6358_UART1_IRQ (IRQ_INTERNAL_BASE + 3) #define BCM_6358_OHCI0_IRQ (IRQ_INTERNAL_BASE + 5) #define BCM_6358_ENET1_IRQ (IRQ_INTERNAL_BASE + 6) #define BCM_6358_ENET0_IRQ (IRQ_INTERNAL_BASE + 8) diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h new file mode 100644 index 00000000000..23c705baf17 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h @@ -0,0 +1,6 @@ +#ifndef BCM63XX_DEV_UART_H_ +#define BCM63XX_DEV_UART_H_ + +int bcm63xx_uart_register(unsigned int id); + +#endif /* BCM63XX_DEV_UART_H_ */ diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h index 76a0b7216af..43d4da0b1e9 100644 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h @@ -10,6 +10,10 @@ static inline unsigned long bcm63xx_gpio_count(void) switch (bcm63xx_get_cpu_id()) { case BCM6358_CPU_ID: return 40; + case BCM6338_CPU_ID: + return 8; + case BCM6345_CPU_ID: + return 16; case BCM6348_CPU_ID: default: return 37; diff --git a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h index 6479090a410..474daaa5349 100644 --- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h +++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h @@ -45,6 +45,8 @@ struct board_info { unsigned int has_ohci0:1; unsigned int has_ehci0:1; unsigned int has_dsp:1; + unsigned int has_uart0:1; + unsigned int has_uart1:1; /* ethernet config */ struct bcm63xx_enet_platform_data enet0; diff --git a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h index 71742bac940..f453c01d067 100644 --- a/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-bcm63xx/cpu-feature-overrides.h @@ -24,7 +24,7 @@ #define cpu_has_smartmips 0 #define cpu_has_vtag_icache 0 -#if !defined(BCMCPU_RUNTIME_DETECT) && (defined(CONFIG_BCMCPU_IS_6348) || defined(CONFIG_CPU_IS_6338) || defined(CONFIG_CPU_IS_BCM6345)) +#if !defined(BCMCPU_RUNTIME_DETECT) && (defined(CONFIG_BCM63XX_CPU_6348) || defined(CONFIG_BCM63XX_CPU_6345) || defined(CONFIG_BCM63XX_CPU_6338)) #define cpu_has_dc_aliases 0 #endif diff --git a/arch/mips/include/asm/mach-loongson/loongson.h b/arch/mips/include/asm/mach-loongson/loongson.h index 1cf7b1401ee..fcdbe3a4ce1 100644 --- a/arch/mips/include/asm/mach-loongson/loongson.h +++ b/arch/mips/include/asm/mach-loongson/loongson.h @@ -307,7 +307,7 @@ extern unsigned long _loongson_addrwincfg_base; */ #define LOONGSON_ADDRWIN_CFG(s, d, w, src, dst, size) do {\ s##_WIN##w##_BASE = (src); \ - s##_WIN##w##_MMAP = (src) | ADDRWIN_MAP_DST_##d; \ + s##_WIN##w##_MMAP = (dst) | ADDRWIN_MAP_DST_##d; \ s##_WIN##w##_MASK = ~(size-1); \ } while (0) diff --git a/arch/mips/include/asm/mach-sibyte/war.h b/arch/mips/include/asm/mach-sibyte/war.h index 7950ef4f032..743385d7b5f 100644 --- a/arch/mips/include/asm/mach-sibyte/war.h +++ b/arch/mips/include/asm/mach-sibyte/war.h @@ -16,7 +16,11 @@ #if defined(CONFIG_SB1_PASS_1_WORKAROUNDS) || \ defined(CONFIG_SB1_PASS_2_WORKAROUNDS) -#define BCM1250_M3_WAR 1 +#ifndef __ASSEMBLY__ +extern int sb1250_m3_workaround_needed(void); +#endif + +#define BCM1250_M3_WAR sb1250_m3_workaround_needed() #define SIBYTE_1956_WAR 1 #else diff --git a/arch/mips/include/asm/mmu.h b/arch/mips/include/asm/mmu.h index 4063edd7962..c436138945a 100644 --- a/arch/mips/include/asm/mmu.h +++ b/arch/mips/include/asm/mmu.h @@ -1,6 +1,9 @@ #ifndef __ASM_MMU_H #define __ASM_MMU_H -typedef unsigned long mm_context_t[NR_CPUS]; +typedef struct { + unsigned long asid[NR_CPUS]; + void *vdso; +} mm_context_t; #endif /* __ASM_MMU_H */ diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h index 145bb81ccaa..d9592733a7b 100644 --- a/arch/mips/include/asm/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -104,7 +104,7 @@ extern unsigned long smtc_asid_mask; #endif -#define cpu_context(cpu, mm) ((mm)->context[cpu]) +#define cpu_context(cpu, mm) ((mm)->context.asid[cpu]) #define cpu_asid(cpu, mm) (cpu_context((cpu), (mm)) & ASID_MASK) #define asid_cache(cpu) (cpu_data[cpu].asid_cache) diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index ac32572430f..a16beafcea9 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -188,8 +188,10 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE) -#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET) +#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE + \ + PHYS_OFFSET) +#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET - \ + PHYS_OFFSET) #include <asm-generic/memory_model.h> #include <asm-generic/getorder.h> diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index 26dc69d792a..1be4b0fa30d 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -120,9 +120,14 @@ #endif #define FIRST_USER_ADDRESS 0UL -#define VMALLOC_START MAP_BASE +/* + * TLB refill handlers also map the vmalloc area into xuseg. Avoid + * the first couple of pages so NULL pointer dereferences will still + * reliably trap. + */ +#define VMALLOC_START (MAP_BASE + (2 * PAGE_SIZE)) #define VMALLOC_END \ - (VMALLOC_START + \ + (MAP_BASE + \ min(PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE, \ (1UL << cpu_vmbits)) - (1UL << 32)) diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 087a8884ef0..ab387910009 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -33,13 +33,19 @@ extern void (*cpu_wait)(void); extern unsigned int vced_count, vcei_count; +/* + * A special page (the vdso) is mapped into all processes at the very + * top of the virtual memory space. + */ +#define SPECIAL_PAGES_SIZE PAGE_SIZE + #ifdef CONFIG_32BIT /* * User space process size: 2GB. This is hardcoded into a few places, * so don't change it unless you know what you are doing. */ #define TASK_SIZE 0x7fff8000UL -#define STACK_TOP TASK_SIZE +#define STACK_TOP ((TASK_SIZE & PAGE_MASK) - SPECIAL_PAGES_SIZE) /* * This decides where the kernel will search for a free chunk of vm @@ -59,7 +65,8 @@ extern unsigned int vced_count, vcei_count; #define TASK_SIZE32 0x7fff8000UL #define TASK_SIZE 0x10000000000UL #define STACK_TOP \ - (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE) + (((test_thread_flag(TIF_32BIT_ADDR) ? \ + TASK_SIZE32 : TASK_SIZE) & PAGE_MASK) - SPECIAL_PAGES_SIZE) /* * This decides where the kernel will search for a free chunk of vm diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index ce47118e52b..cdc6a46efd9 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -142,9 +142,9 @@ extern int ptrace_set_watch_regs(struct task_struct *child, extern asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit); -extern NORET_TYPE void die(const char *, const struct pt_regs *) ATTRIB_NORET; +extern NORET_TYPE void die(const char *, struct pt_regs *) ATTRIB_NORET; -static inline void die_if_kernel(const char *str, const struct pt_regs *regs) +static inline void die_if_kernel(const char *str, struct pt_regs *regs) { if (unlikely(!user_mode(regs))) die(str, regs); diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index 3b6da3330e3..58730c5ce4b 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -121,6 +121,25 @@ .endm #else .macro get_saved_sp /* Uniprocessor variation */ +#ifdef CONFIG_CPU_JUMP_WORKAROUNDS + /* + * Clear BTB (branch target buffer), forbid RAS (return address + * stack) to workaround the Out-of-order Issue in Loongson2F + * via its diagnostic register. + */ + move k0, ra + jal 1f + nop +1: jal 1f + nop +1: jal 1f + nop +1: jal 1f + nop +1: move ra, k0 + li k0, 3 + mtc0 k0, $22 +#endif /* CONFIG_CPU_LOONGSON2F */ #if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) lui k1, %hi(kernelsp) #else diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h index b99bd07e199..697e40c0649 100644 --- a/arch/mips/include/asm/uasm.h +++ b/arch/mips/include/asm/uasm.h @@ -84,6 +84,7 @@ Ip_u2s3u1(_lw); Ip_u1u2u3(_mfc0); Ip_u1u2u3(_mtc0); Ip_u2u1u3(_ori); +Ip_u3u1u2(_or); Ip_u2s3u1(_pref); Ip_0(_rfe); Ip_u2s3u1(_sc); @@ -102,6 +103,7 @@ Ip_0(_tlbwr); Ip_u3u1u2(_xor); Ip_u2u1u3(_xori); Ip_u2u1msbu3(_dins); +Ip_u1(_syscall); /* Handle labels. */ struct uasm_label { @@ -165,6 +167,24 @@ static inline void __cpuinit uasm_l##lb(struct uasm_label **lab, u32 *addr) \ #define uasm_i_ssnop(buf) uasm_i_sll(buf, 0, 0, 1) #define uasm_i_ehb(buf) uasm_i_sll(buf, 0, 0, 3) +static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsrl(p, a1, a2, a3); + else + uasm_i_dsrl32(p, a1, a2, a3 - 32); +} + +static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, + unsigned int a2, unsigned int a3) +{ + if (a3 < 32) + uasm_i_dsll(p, a1, a2, a3); + else + uasm_i_dsll32(p, a1, a2, a3 - 32); +} + /* Handle relocations. */ struct uasm_reloc { u32 *addr; diff --git a/arch/mips/include/asm/vdso.h b/arch/mips/include/asm/vdso.h new file mode 100644 index 00000000000..cca56aa40ff --- /dev/null +++ b/arch/mips/include/asm/vdso.h @@ -0,0 +1,29 @@ +/* + * 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) 2009 Cavium Networks + */ + +#ifndef __ASM_VDSO_H +#define __ASM_VDSO_H + +#include <linux/types.h> + + +#ifdef CONFIG_32BIT +struct mips_vdso { + u32 signal_trampoline[2]; + u32 rt_signal_trampoline[2]; +}; +#else /* !CONFIG_32BIT */ +struct mips_vdso { + u32 o32_signal_trampoline[2]; + u32 o32_rt_signal_trampoline[2]; + u32 rt_signal_trampoline[2]; + u32 n32_rt_signal_trampoline[2]; +}; +#endif /* CONFIG_32BIT */ + +#endif /* __ASM_VDSO_H */ |