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MIPS: pbl: add pbl_probe_mem macro 

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Oleksij Rempel 2013-06-19 11:11:28 +02:00 committed by Sascha Hauer
parent 23a1960361
commit 24b0d2effd
1 changed files with 12 additions and 0 deletions
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12
arch/mips/include/asm/pbl_macros.h
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@ -38,6 +38,18 @@
.set pop
.endm
.macro pbl_probe_mem ret1 ret2 addr
.set push
.set noreorder
la \ret1, \addr
sw zero, 0(\ret1)
li \ret2, 0x12345678
sw \ret2, 0(\ret1)
lw \ret2, 0(\ret1)
li \ret1, 0x12345678
.set pop
.endm
/*
* ADR macro instruction (inspired by ARM)
*