15 lines
889 B
Markdown
15 lines
889 B
Markdown
# Pepper kernel system call table
|
|
|
|
The following table contains all of the system calls supported by PepperOS, as well as their arguments. The explanation for what every system call does is available as a comment above each function in corresponding files in the `src/syscall` folder.
|
|
|
|
Name | Number (%rax) | arg0 (%rdi) | arg1 (%rsi) | arg2 (%rdx) | arg3 (%r10) |
|
|
|---|---|---|---|---|---|
|
|
| sys_read | 0 | unsigned int fd | char* buf | size_t count | |
|
|
| sys_write | 1 | unsigned int fd | const char* buf | size_t count | |
|
|
| sys_open | 2 | const char* filename | int flags | | |
|
|
| sys_close | 3 | unsigned int fd | | | |
|
|
| sys_lseek | 8 | unsigned int fd | int offset | int whence | |
|
|
| sys_tell | 9 | unsigned int fd | | | |
|
|
| sys_eof | 10 | unsigned int fd | | | |
|
|
| sys_draw | 11 | const uint8_t* src | int width | int height | int channels |
|
|
| sys_exit | 60 | int error_code | | | | |