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authorMax Filippov <jcmvbkbc@gmail.com>2012-11-15 03:25:48 +0100
committerChris Zankel <chris@zankel.net>2012-12-19 06:10:22 +0100
commit733536b865441d9bad02c4711a4372d48ce21e54 (patch)
treee54c74b6f27dab1175701128e1c0ac2a18cccdc3 /arch/xtensa/kernel/asm-offsets.c
parentxtensa: display s32c1i feature flag in cpuinfo (diff)
downloadlinux-733536b865441d9bad02c4711a4372d48ce21e54.tar.xz
linux-733536b865441d9bad02c4711a4372d48ce21e54.zip
xtensa: save and restore scompare1 SR on kernel entry
Although scompare1 may be saved/restored by xchal_ncp_{load,store} macros, explicit save/restore of registers manipulated by the kernel itself is considered more correct. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa/kernel/asm-offsets.c')
-rw-r--r--arch/xtensa/kernel/asm-offsets.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c
index 7dc3f9157185..845475afc683 100644
--- a/arch/xtensa/kernel/asm-offsets.c
+++ b/arch/xtensa/kernel/asm-offsets.c
@@ -41,6 +41,7 @@ int main(void)
DEFINE(PT_SAR, offsetof (struct pt_regs, sar));
DEFINE(PT_ICOUNTLEVEL, offsetof (struct pt_regs, icountlevel));
DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall));
+ DEFINE(PT_SCOMPARE1, offsetof(struct pt_regs, scompare1));
DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0]));
DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0]));
DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1]));