Module Name: src
Committed By: skrll
Date: Wed Oct 29 23:01:46 UTC 2014
Modified Files:
src/sys/arch/arm/arm: cpufunc_asm_armv7.S
Log Message:
Add some dsb instructions to avoid Cortex A7 errata
To generate a diff of this commit:
cvs rdiff -u -r1.19 -r1.20 src/sys/arch/arm/arm/cpufunc_asm_armv7.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/arm/cpufunc_asm_armv7.S
diff -u src/sys/arch/arm/arm/cpufunc_asm_armv7.S:1.19 src/sys/arch/arm/arm/cpufunc_asm_armv7.S:1.20
--- src/sys/arch/arm/arm/cpufunc_asm_armv7.S:1.19 Wed Oct 29 16:22:31 2014
+++ src/sys/arch/arm/arm/cpufunc_asm_armv7.S Wed Oct 29 23:01:46 2014
@@ -377,6 +377,7 @@ ENTRY_NP(armv7_dcache_inv_all)
b 1b
.Lnext_level_inv:
+ dsb
mrc p15, 1, r0, c0, c0, 1 @ read CLIDR
ubfx ip, r0, #24, #3 @ narrow to LoC
add r3, r3, #2 @ go to next level
@@ -437,6 +438,7 @@ ENTRY_NP(armv7_dcache_wbinv_all)
b 1b
.Lnext_level_wbinv:
+ dsb
mrc p15, 1, r0, c0, c0, 1 @ read CLIDR
ubfx ip, r0, #24, #3 @ narrow to LoC
add r3, r3, #2 @ go to next level
