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| author | Vineet Gupta <vgupta@kernel.org> | 2020-05-23 02:24:53 +0300 |
|---|---|---|
| committer | Vineet Gupta <vgupta@kernel.org> | 2023-08-18 20:30:47 +0300 |
| commit | d4624bf6a6c9d9ff084eb2cba6d3cf6aeda9f974 (patch) | |
| tree | ee5d37e548da970e0f81386dc3943c6150cb0fd9 /arch/arc/kernel | |
| parent | 656f18ad8d5bc878cf05210e2fea8f13270ffcc5 (diff) | |
| download | linux-d4624bf6a6c9d9ff084eb2cba6d3cf6aeda9f974.tar.xz | |
ARCv2: entry: rearrange pt_regs slightly
Instead of r26,fp,sp,r12,r30 order as fp,r30,r12,r26,sp
- keeps SP at well known position (right abive hardware autosave)
- r26,r12 saved specifically for ARCv2 (and not in ARCv3) kept
closer for easy ifdef'ry later
Signed-off-by: Vineet Gupta <vgupta@kernel.org>
Diffstat (limited to 'arch/arc/kernel')
| -rw-r--r-- | arch/arc/kernel/asm-offsets.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arc/kernel/asm-offsets.c b/arch/arc/kernel/asm-offsets.c index e46688975868..478768c88f46 100644 --- a/arch/arc/kernel/asm-offsets.c +++ b/arch/arc/kernel/asm-offsets.c @@ -62,11 +62,9 @@ int main(void) DEFINE(PT_r26, offsetof(struct pt_regs, r26)); DEFINE(PT_ret, offsetof(struct pt_regs, ret)); DEFINE(PT_blink, offsetof(struct pt_regs, blink)); + OFFSET(PT_fp, pt_regs, fp); DEFINE(PT_lpe, offsetof(struct pt_regs, lp_end)); DEFINE(PT_lpc, offsetof(struct pt_regs, lp_count)); - DEFINE(SZ_CALLEE_REGS, sizeof(struct callee_regs)); - DEFINE(SZ_PT_REGS, sizeof(struct pt_regs)); - #ifdef CONFIG_ISA_ARCV2 OFFSET(PT_r12, pt_regs, r12); OFFSET(PT_r30, pt_regs, r30); @@ -79,5 +77,8 @@ int main(void) OFFSET(PT_DSP_CTRL, pt_regs, DSP_CTRL); #endif + DEFINE(SZ_CALLEE_REGS, sizeof(struct callee_regs)); + DEFINE(SZ_PT_REGS, sizeof(struct pt_regs)); + return 0; } |