Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5b736cd2 authored by Leonid Yegoshin's avatar Leonid Yegoshin Committed by Ralf Baechle
Browse files

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: default avatarLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
parent a6e18781

arch/mips/include/asm/asm.h

+8 −0
Original line number Diff line number Diff line
@@ -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 */