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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-05-28 09:54:43 +0200 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-06-22 15:53:23 +0200 |
| commit | 3ebedbb2fdf730b7e5e2417dbd37faee6304bfb5 (patch) | |
| tree | c902fc923c5094ca614b389399c3b9ebb2ee90be /arch/arc/kernel | |
| parent | ARC: pt_regs update #3: Remove unused gutter at start of callee_regs (diff) | |
| download | linux-3ebedbb2fdf730b7e5e2417dbd37faee6304bfb5.tar.xz linux-3ebedbb2fdf730b7e5e2417dbd37faee6304bfb5.zip | |
ARC: Increase readability of entry handlers
* use artificial PUSH/POP contructs for CORE Reg save/restore to stack
* use artificial PUSHAX/POPAX contructs for Auxiliary Space regs
* macro'ize multiple copies of callee-reg-save/restore (SAVE_R13_TO_R24)
* use BIC insn for inverse-and operation
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/kernel')
| -rw-r--r-- | arch/arc/kernel/process.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index db868db82944..c6e22e060578 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c @@ -73,6 +73,10 @@ asmlinkage void ret_from_fork(void); * ~ ~ * | --to-- | (scratch Regs of user mode) * | r0 | + * ------------------ + * | SP | + * | orig_r0 | + * | orig_r8 | * ------------------ <===== END of PAGE */ int copy_thread(unsigned long clone_flags, |