diff options
Diffstat (limited to 'arch/sh/include/asm')
| -rw-r--r-- | arch/sh/include/asm/io.h | 5 | ||||
| -rw-r--r-- | arch/sh/include/asm/io_noioport.h | 41 | ||||
| -rw-r--r-- | arch/sh/include/asm/kgdb.h | 30 | ||||
| -rw-r--r-- | arch/sh/include/asm/processor.h | 5 | ||||
| -rw-r--r-- | arch/sh/include/asm/processor_64.h | 3 | ||||
| -rw-r--r-- | arch/sh/include/asm/stackprotector.h | 27 |
6 files changed, 90 insertions, 21 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index ec464a6b95f..0cf60a62881 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -218,8 +218,13 @@ __BUILD_IOPORT_STRING(w, u16) __BUILD_IOPORT_STRING(l, u32) __BUILD_IOPORT_STRING(q, u64) +#else /* !CONFIG_HAS_IOPORT */ + +#include <asm/io_noioport.h> + #endif + #define IO_SPACE_LIMIT 0xffffffff /* synco on SH-4A, otherwise a nop */ diff --git a/arch/sh/include/asm/io_noioport.h b/arch/sh/include/asm/io_noioport.h new file mode 100644 index 00000000000..e136d28d1d2 --- /dev/null +++ b/arch/sh/include/asm/io_noioport.h @@ -0,0 +1,41 @@ +#ifndef __ASM_SH_IO_NOIOPORT_H +#define __ASM_SH_IO_NOIOPORT_H + +static inline u8 inb(unsigned long addr) +{ + BUG(); + return -1; +} + +static inline u16 inw(unsigned long addr) +{ + BUG(); + return -1; +} + +static inline u32 inl(unsigned long addr) +{ + BUG(); + return -1; +} + +#define outb(x, y) BUG() +#define outw(x, y) BUG() +#define outl(x, y) BUG() + +#define inb_p(addr) inb(addr) +#define inw_p(addr) inw(addr) +#define inl_p(addr) inl(addr) +#define outb_p(x, addr) outb((x), (addr)) +#define outw_p(x, addr) outw((x), (addr)) +#define outl_p(x, addr) outl((x), (addr)) + +#define insb(a, b, c) BUG() +#define insw(a, b, c) BUG() +#define insl(a, b, c) BUG() + +#define outsb(a, b, c) BUG() +#define outsw(a, b, c) BUG() +#define outsl(a, b, c) BUG() + +#endif /* __ASM_SH_IO_NOIOPORT_H */ diff --git a/arch/sh/include/asm/kgdb.h b/arch/sh/include/asm/kgdb.h index f3613952d1a..9e7d2d1b03e 100644 --- a/arch/sh/include/asm/kgdb.h +++ b/arch/sh/include/asm/kgdb.h @@ -4,18 +4,6 @@ #include <asm/cacheflush.h> #include <asm/ptrace.h> -/* Same as pt_regs but has vbr in place of syscall_nr */ -struct kgdb_regs { - unsigned long regs[16]; - unsigned long pc; - unsigned long pr; - unsigned long sr; - unsigned long gbr; - unsigned long mach; - unsigned long macl; - unsigned long vbr; -}; - enum regnames { GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7, GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15, @@ -23,17 +11,27 @@ enum regnames { GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR, }; -#define NUMREGBYTES ((GDB_VBR + 1) * 4) +#define _GP_REGS 16 +#define _EXTRA_REGS 7 +#define GDB_SIZEOF_REG sizeof(u32) + +#define DBG_MAX_REG_NUM (_GP_REGS + _EXTRA_REGS) +#define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG)) static inline void arch_kgdb_breakpoint(void) { __asm__ __volatile__ ("trapa #0x3c\n"); } -#define BUFMAX 2048 - -#define CACHE_FLUSH_IS_SAFE 1 #define BREAK_INSTR_SIZE 2 +#define BUFMAX 2048 + +#ifdef CONFIG_SMP +# define CACHE_FLUSH_IS_SAFE 0 +#else +# define CACHE_FLUSH_IS_SAFE 1 +#endif + #define GDB_ADJUSTS_BREAK_OFFSET #endif /* __ASM_SH_KGDB_H */ diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h index a229c393826..793b664ef7f 100644 --- a/arch/sh/include/asm/processor.h +++ b/arch/sh/include/asm/processor.h @@ -18,7 +18,8 @@ enum cpu_type { CPU_SH7619, /* SH-2A types */ - CPU_SH7201, CPU_SH7203, CPU_SH7206, CPU_SH7263, CPU_MXG, + CPU_SH7201, CPU_SH7203, CPU_SH7206, CPU_SH7263, CPU_SH7264, CPU_SH7269, + CPU_MXG, /* SH-3 types */ CPU_SH7705, CPU_SH7706, CPU_SH7707, @@ -32,7 +33,7 @@ enum cpu_type { /* SH-4A types */ CPU_SH7763, CPU_SH7770, CPU_SH7780, CPU_SH7781, CPU_SH7785, CPU_SH7786, - CPU_SH7723, CPU_SH7724, CPU_SH7757, CPU_SHX3, + CPU_SH7723, CPU_SH7724, CPU_SH7757, CPU_SH7734, CPU_SHX3, /* SH4AL-DSP types */ CPU_SH7343, CPU_SH7722, CPU_SH7366, CPU_SH7372, diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h index e25c4c7d6b6..740e2687659 100644 --- a/arch/sh/include/asm/processor_64.h +++ b/arch/sh/include/asm/processor_64.h @@ -121,7 +121,6 @@ struct thread_struct { NULL for a kernel thread. */ struct pt_regs *uregs; - unsigned long trap_no, error_code; unsigned long address; /* Hardware debugging registers may come here */ @@ -138,8 +137,6 @@ struct thread_struct { .pc = 0, \ .kregs = &fake_swapper_regs, \ .uregs = NULL, \ - .trap_no = 0, \ - .error_code = 0, \ .address = 0, \ .flags = 0, \ } diff --git a/arch/sh/include/asm/stackprotector.h b/arch/sh/include/asm/stackprotector.h new file mode 100644 index 00000000000..d9df3a76847 --- /dev/null +++ b/arch/sh/include/asm/stackprotector.h @@ -0,0 +1,27 @@ +#ifndef __ASM_SH_STACKPROTECTOR_H +#define __ASM_SH_STACKPROTECTOR_H + +#include <linux/random.h> +#include <linux/version.h> + +extern unsigned long __stack_chk_guard; + +/* + * Initialize the stackprotector canary value. + * + * NOTE: this must only be called from functions that never return, + * and it must always be inlined. + */ +static __always_inline void boot_init_stack_canary(void) +{ + unsigned long canary; + + /* Try to get a semi random initial value. */ + get_random_bytes(&canary, sizeof(canary)); + canary ^= LINUX_VERSION_CODE; + + current->stack_canary = canary; + __stack_chk_guard = current->stack_canary; +} + +#endif /* __ASM_SH_STACKPROTECTOR_H */ |