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| author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-05-13 12:22:38 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-06-22 21:54:52 +0300 |
| commit | e6a9dc6129d23cd3025e841c4e13a70910a37135 (patch) | |
| tree | c640167a388bc12c4e82f6416becd61546c126c3 /arch/arm/kernel/entry-armv.S | |
| parent | 5745eef6b813194b4dd3e2aee1dd712d8512bf91 (diff) | |
| download | linux-e6a9dc6129d23cd3025e841c4e13a70910a37135.tar.xz | |
ARM: introduce svc_pt_regs structure
Since the privileged mode pt_regs are an extended version of the saved
userland pt_regs, introduce a new svc_pt_regs structure to describe this
layout.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/kernel/entry-armv.S')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index a6cb019d9920..0d6f5413be18 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -152,7 +152,7 @@ ENDPROC(__und_invalid) .macro svc_entry, stack_hole=0, trace=1, uaccess=1 UNWIND(.fnstart ) UNWIND(.save {r0 - pc} ) - sub sp, sp, #(PT_REGS_SIZE + 8 + \stack_hole - 4) + sub sp, sp, #(SVC_REGS_SIZE + \stack_hole - 4) #ifdef CONFIG_THUMB2_KERNEL SPFIX( str r0, [sp] ) @ temporarily saved SPFIX( mov r0, sp ) @@ -167,7 +167,7 @@ ENDPROC(__und_invalid) ldmia r0, {r3 - r5} add r7, sp, #S_SP - 4 @ here for interlock avoidance mov r6, #-1 @ "" "" "" "" - add r2, sp, #(PT_REGS_SIZE + 8 + \stack_hole - 4) + add r2, sp, #(SVC_REGS_SIZE + \stack_hole - 4) SPFIX( addeq r2, r2, #4 ) str r3, [sp, #-4]! @ save the "real" r0 copied @ from the exception stack |