diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2010-12-21 14:19:09 -0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2011-01-18 19:30:22 +0100 |
| commit | e77c32fe284a4da1b4e0994890a4d3527812eb61 (patch) | |
| tree | 8bff97f0aeb8ce4ba0bf4af92f798e06b66f6e9f /arch/mips/include | |
| parent | 487d70d0b8bd1c70d099a7526077ffefee412050 (diff) | |
MIPS: Probe for presence of KScratch registers.
Probe c0_config4 for KScratch registers and report them in /proc/cpuinfo.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1877/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/cpu-info.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index b39def3f6e03..c454550eb0c0 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -78,6 +78,7 @@ struct cpuinfo_mips { unsigned int watch_reg_use_cnt; /* Usable by ptrace */ #define NUM_WATCH_REGS 4 u16 watch_reg_masks[NUM_WATCH_REGS]; + unsigned int kscratch_mask; /* Usable KScratch mask. */ } __attribute__((aligned(SMP_CACHE_BYTES))); extern struct cpuinfo_mips cpu_data[]; |