From: He Sheng <hesheng@wxiat.com> Sunway inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I56OLG -------------------------------- addl and subl only support 8-bit immediate value, which is not suitable for us to extend struct pt_regs later. Signed-off-by: He Sheng <hesheng@wxiat.com> Signed-off-by: Gu Zitao <guzitao@wxiat.com> --- arch/sw_64/kernel/entry.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/sw_64/kernel/entry.S b/arch/sw_64/kernel/entry.S index c12487e52141..6c40d2015439 100644 --- a/arch/sw_64/kernel/entry.S +++ b/arch/sw_64/kernel/entry.S @@ -22,7 +22,7 @@ */ #define SAVE_ALL \ - subl $sp, PT_REGS_PS, $sp; \ + ldi $sp, -PT_REGS_PS($sp); \ stl $0, PT_REGS_R0($sp); \ stl $1, PT_REGS_R1($sp); \ stl $2, PT_REGS_R2($sp); \ @@ -66,7 +66,7 @@ ldl $26, PT_REGS_R26($sp); \ ldl $27, PT_REGS_R27($sp); \ ldl $28, PT_REGS_R28($sp); \ - addl $sp, PT_REGS_PS, $sp + ldi $sp, PT_REGS_PS($sp) /* * Non-syscall kernel entry points. -- 2.20.1