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Diffstat (limited to 'arch/arm64/include/asm/assembler.h')
-rw-r--r--arch/arm64/include/asm/assembler.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index ad63457a05c5..23be85d93348 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -41,6 +41,11 @@
/*
* Save/restore interrupts.
*/
+ .macro save_and_disable_daif, flags
+ mrs \flags, daif
+ msr daifset, #0xf
+ .endm
+
.macro save_and_disable_irq, flags
mrs \flags, daif
msr daifset, #3
@@ -53,7 +58,7 @@
.macro disable_step_tsk, flgs, tmp
tbz \flgs, #TIF_SINGLESTEP, 9990f
mrs \tmp, mdscr_el1
- bic \tmp, \tmp, #DBG_MDSCR_SS
+ bic \tmp, \tmp, #MDSCR_EL1_SS
msr mdscr_el1, \tmp
isb // Take effect before a subsequent clear of DAIF.D
9990:
@@ -63,7 +68,7 @@
.macro enable_step_tsk, flgs, tmp
tbz \flgs, #TIF_SINGLESTEP, 9990f
mrs \tmp, mdscr_el1
- orr \tmp, \tmp, #DBG_MDSCR_SS
+ orr \tmp, \tmp, #MDSCR_EL1_SS
msr mdscr_el1, \tmp
9990:
.endm