diff options
| author | Man, Jianting (Meco) <[email protected]> | 2023-02-25 13:52:37 -0500 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-02-25 13:52:37 -0500 |
| commit | 1acef4277b02e5084310ecd7028656ae535178f5 (patch) | |
| tree | 03b6b6f0b3df75a1cef301e1e7b2b3d234213390 /libcpu/risc-v/t-head/c906/stackframe.h | |
| parent | 759192f5f5af23ae360818483d35974ef5b91c78 (diff) | |
| parent | e63e33a3c64327aef3556fa811df0a8ec1e0e7ee (diff) | |
Merge pull request #6981 from RT-Thread/masterserialX-dev
sync from master
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. */ |