diff options
| author | Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> | 2013-12-03 10:48:15 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-03-26 23:09:12 +0100 |
| commit | 5b736cd243f942d474621a7521e08b34b8e4197b (patch) | |
| tree | c5f061c2540671f2c68ace937ed111029cf48584 | |
| parent | a6e18781c5b839dc5ad00a38303d101a0333965b (diff) | |
MIPS: asm: Add prefetch instruction for EVA
EVA can use the PREFE instruction to perform the virtual address
translation using the user mapping of the address rather than the
kernel mapping.
Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
| -rw-r--r-- | arch/mips/include/asm/asm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h index 879691d194a..b79be18a926 100644 --- a/arch/mips/include/asm/asm.h +++ b/arch/mips/include/asm/asm.h @@ -149,6 +149,13 @@ symbol = value pref hint, addr; \ .set pop +#define PREFE(hint, addr) \ + .set push; \ + .set mips0; \ + .set eva; \ + prefe hint, addr; \ + .set pop + #define PREFX(hint,addr) \ .set push; \ .set mips4; \ @@ -158,6 +165,7 @@ symbol = value #else /* !CONFIG_CPU_HAS_PREFETCH */ #define PREF(hint, addr) +#define PREFE(hint, addr) #define PREFX(hint, addr) #endif /* !CONFIG_CPU_HAS_PREFETCH */ |