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| author | Benedikt Böhm <bb@xnull.de> | 2009-05-18 20:53:42 +0200 |
|---|---|---|
| committer | Benedikt Böhm <bb@xnull.de> | 2009-05-18 20:53:42 +0200 |
| commit | 49f510d2d60129526832bfcd9c0f4049962bc80e (patch) | |
| tree | 2828b773c75bdbc4014a3421c8046778a1a2b11b /src/emu/syscall.h | |
| parent | 144258f0196b69cbdd2f29bd501276942efc3182 (diff) | |
| download | swppy-49f510d2d60129526832bfcd9c0f4049962bc80e.tar.gz swppy-49f510d2d60129526832bfcd9c0f4049962bc80e.tar.xz swppy-49f510d2d60129526832bfcd9c0f4049962bc80e.zip | |
move stuff around and create initial source structure
Diffstat (limited to 'src/emu/syscall.h')
| -rw-r--r-- | src/emu/syscall.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/emu/syscall.h b/src/emu/syscall.h new file mode 100644 index 0000000..7c7265c --- /dev/null +++ b/src/emu/syscall.h @@ -0,0 +1,16 @@ +#ifndef _SYSCALL_H +#define _SYSCALL_H + +/* calling convention: + * - pass syscall number in GPR[1] + * - pass arguments in GPR[2]-GPR[9] + * - return code is passed in GPR[2] + */ + +#define SYS_exit 0x00 +#define SYS_read 0x01 +#define SYS_write 0x02 + +void do_syscall(void); + +#endif |