diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2019-05-29 11:42:59 +0300 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2019-08-26 13:42:40 +0300 |
| commit | d2f965549006acb865c4638f1f030ebcefdc71f6 (patch) | |
| tree | 26e5afbb10f7bf38b51aa276cafd52ec3d9e9cad /arch/mips/include/asm/cpu.h | |
| parent | 322e577b02ab096aaf630caae93f18e1e67b775f (diff) | |
| download | linux-d2f965549006acb865c4638f1f030ebcefdc71f6.tar.xz | |
MIPS: Treat Loongson Extensions as ASEs
Recently, binutils had split Loongson-3 Extensions into four ASEs:
MMI, CAM, EXT, EXT2. This patch do the samething in kernel and expose
them in cpuinfo so applications can probe supported ASEs at runtime.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Yunqiang Su <ysu@wavecomp.com>
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm/cpu.h')
| -rw-r--r-- | arch/mips/include/asm/cpu.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h index 6826f0a657fb..7fddcb8350c6 100644 --- a/arch/mips/include/asm/cpu.h +++ b/arch/mips/include/asm/cpu.h @@ -428,5 +428,9 @@ enum cpu_type_enum { #define MIPS_ASE_MSA 0x00000100 /* MIPS SIMD Architecture */ #define MIPS_ASE_DSP3 0x00000200 /* Signal Processing ASE Rev 3*/ #define MIPS_ASE_MIPS16E2 0x00000400 /* MIPS16e2 */ +#define MIPS_ASE_LOONGSON_MMI 0x00000800 /* Loongson MultiMedia extensions Instructions */ +#define MIPS_ASE_LOONGSON_CAM 0x00001000 /* Loongson CAM */ +#define MIPS_ASE_LOONGSON_EXT 0x00002000 /* Loongson EXTensions */ +#define MIPS_ASE_LOONGSON_EXT2 0x00004000 /* Loongson EXTensions R2 */ #endif /* _ASM_CPU_H */ |