diff options
Diffstat (limited to 'libcpu/risc-v/t-head/c906/stackframe.h')
| -rw-r--r-- | libcpu/risc-v/t-head/c906/stackframe.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libcpu/risc-v/t-head/c906/stackframe.h b/libcpu/risc-v/t-head/c906/stackframe.h index 1e191900b4..d6fd0c3c5e 100644 --- a/libcpu/risc-v/t-head/c906/stackframe.h +++ b/libcpu/risc-v/t-head/c906/stackframe.h @@ -13,6 +13,10 @@ #ifndef __STACKFRAME_H__ #define __STACKFRAME_H__ +#define BYTES(idx) ((idx) * REGBYTES) +#define FRAME_OFF_SSTATUS BYTES(2) +#define FRAME_OFF_SP BYTES(32) + #include "cpuport.h" #include "encoding.h" @@ -54,7 +58,7 @@ /** * The register `tp` always save/restore when context switch, * we call `lwp_user_setting_save` when syscall enter, - * call `lwp_user_setting_restore` when syscall exit + * call `lwp_user_setting_restore` when syscall exit * and modify context stack after `lwp_user_setting_restore` called * so that the `tp` can be the correct thread area value. */ |