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starting to work on pty drivers, fork(), and scheduler redesign

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slinky55
2026-07-07 00:13:24 -05:00
parent 6d7a23d747
commit 177a0b8fe9
29 changed files with 859 additions and 111 deletions
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11
rocklibc/include/syscall.h
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@@ -4,9 +4,11 @@
#include <stdint.h>
#include <stddef.h>
#define SYS_EXIT 1
#define SYS_READ 3
#define SYS_WRITE 4
#define SYS_EXIT 1
#define SYS_READ 3
#define SYS_WRITE 4
#define SYS_PTY 20
#define SYS_FORK 21
int write(int fd, const void *buf, size_t count);
int read(int fd, void *buf, size_t count);
@@ -19,4 +21,7 @@ void exit(int status) __attribute__((noreturn));
void *sbrk(intptr_t increment);
int brk(void *addr);
int pty(int* slave);
int fork();
#endif

8
rocklibc/src/syscall.c
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@@ -34,4 +34,12 @@ int write(int fd, const void* buf, size_t cnt) {
int read(int fd, void* buf, size_t cnt) {
return syscall3(SYS_READ, (uint32_t)fd, (uint32_t)buf, (uint32_t)cnt);
}
int pty(int* slave) {
return syscall1(SYS_PTY, (uint32_t)slave);
}
int fork() {
return syscall1(SYS_FORK, 0);
}