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| author | David Daney <ddaney@avtrex.com> | 2008-09-23 11:05:54 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2008-10-11 19:18:56 +0400 |
| commit | 6aa3524c182c01b8b8b7c21c4da20c742a9b4d86 (patch) | |
| tree | 245fc4e9f26ad9e7a95e83087bfcc79528d1352e /arch/mips/include/asm/cpu-info.h | |
| parent | 8192c9ea9ac44213d1266ecb64615519443979b3 (diff) | |
| download | linux-6aa3524c182c01b8b8b7c21c4da20c742a9b4d86.tar.xz | |
MIPS: Add HARDWARE_WATCHPOINTS definitions and support code.
This is the main support code for the patch. Here we just add the
code, the following patches hook it up.
Signed-off-by: David Daney <ddaney@avtrex.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
create mode 100644 arch/mips/include/asm/watch.h
create mode 100644 arch/mips/kernel/watch.c
Diffstat (limited to 'arch/mips/include/asm/cpu-info.h')
| -rw-r--r-- | arch/mips/include/asm/cpu-info.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index 2de73dbb2e9e..744cd8fb107f 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -12,6 +12,8 @@ #ifndef __ASM_CPU_INFO_H #define __ASM_CPU_INFO_H +#include <linux/types.h> + #include <asm/cache.h> /* @@ -69,6 +71,10 @@ struct cpuinfo_mips { int tc_id; /* Thread Context number */ #endif void *data; /* Additional data */ + unsigned int watch_reg_count; /* Number that exist */ + unsigned int watch_reg_use_cnt; /* Usable by ptrace */ +#define NUM_WATCH_REGS 4 + u16 watch_reg_masks[NUM_WATCH_REGS]; } __attribute__((aligned(SMP_CACHE_BYTES))); extern struct cpuinfo_mips cpu_data[]; |