Registers 'r0' till 'r3' are scratch registers and do not need to be
restored.

Signed-off-by: Enrico Scholz <enrico.sch...@sigma-chemnitz.de>
---
 arch/arm/cpu/cache-armv7.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/cpu/cache-armv7.S b/arch/arm/cpu/cache-armv7.S
index 5bdf7e4..5595cf6 100644
--- a/arch/arm/cpu/cache-armv7.S
+++ b/arch/arm/cpu/cache-armv7.S
@@ -65,7 +65,7 @@ ENTRY(v7_mmu_cache_flush)
                mcr     p15, 0, r12, c7, c14, 0 @ clean+invalidate D
                b       iflush
 hierarchical:
-               stmfd   sp!, {r0-r7, r9-r11}
+               stmfd   sp!, {r4-r7, r9-r11}
                mcr     p15, 0, r12, c7, c10, 5 @ DMB
                mrc     p15, 1, r0, c0, c0, 1   @ read clidr
                ands    r3, r0, #0x7000000      @ extract loc from clidr
@@ -107,7 +107,7 @@ skip:
                cmp     r3, r12
                bgt     loop1
 finished:
-               ldmfd   sp!, {r0-r7, r9-r11}
+               ldmfd   sp!, {r4-r7, r9-r11}
                mov     r12, #0                 @ switch back to cache level 0
                mcr     p15, 2, r12, c0, c0, 0  @ select current cache level in 
cssr
 iflush:
-- 
1.8.1.4


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