From 5b736cd243f942d474621a7521e08b34b8e4197b Mon Sep 17 00:00:00 2001 From: Leonid Yegoshin Date: Tue, 3 Dec 2013 10:48:15 +0000 Subject: [PATCH] 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 Signed-off-by: Markos Chandras --- arch/mips/include/asm/asm.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h index 879691d194af..b79be18a9267 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 */ -- GitLab