146 lines
2.3 KiB
C
146 lines
2.3 KiB
C
#include <defs.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <syscall.h>
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#include <stat.h>
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#include <dirent.h>
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#define MAX_ARGS 5
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static inline int
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syscall(int num, ...) {
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va_list ap;
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va_start(ap, num);
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uint32_t a[MAX_ARGS];
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int i, ret;
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for (i = 0; i < MAX_ARGS; i ++) {
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a[i] = va_arg(ap, uint32_t);
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}
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va_end(ap);
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asm volatile (
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"int %1;"
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: "=a" (ret)
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: "i" (T_SYSCALL),
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"a" (num),
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"d" (a[0]),
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"c" (a[1]),
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"b" (a[2]),
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"D" (a[3]),
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"S" (a[4])
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: "cc", "memory");
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return ret;
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}
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int
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sys_exit(int error_code) {
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return syscall(SYS_exit, error_code);
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}
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int
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sys_fork(void) {
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return syscall(SYS_fork);
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}
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int
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sys_wait(int pid, int *store) {
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return syscall(SYS_wait, pid, store);
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}
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int
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sys_yield(void) {
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return syscall(SYS_yield);
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}
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int
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sys_kill(int pid) {
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return syscall(SYS_kill, pid);
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}
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int
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sys_getpid(void) {
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return syscall(SYS_getpid);
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}
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int
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sys_putc(int c) {
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return syscall(SYS_putc, c);
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}
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int
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sys_pgdir(void) {
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return syscall(SYS_pgdir);
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}
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void
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sys_lab6_set_priority(uint32_t priority)
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{
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syscall(SYS_lab6_set_priority, priority);
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}
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int
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sys_sleep(unsigned int time) {
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return syscall(SYS_sleep, time);
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}
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size_t
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sys_gettime(void) {
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return syscall(SYS_gettime);
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}
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int
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sys_exec(const char *name, int argc, const char **argv) {
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return syscall(SYS_exec, name, argc, argv);
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}
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int
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sys_open(const char *path, uint32_t open_flags) {
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return syscall(SYS_open, path, open_flags);
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}
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int
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sys_close(int fd) {
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return syscall(SYS_close, fd);
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}
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int
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sys_read(int fd, void *base, size_t len) {
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return syscall(SYS_read, fd, base, len);
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}
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int
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sys_write(int fd, void *base, size_t len) {
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return syscall(SYS_write, fd, base, len);
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}
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int
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sys_seek(int fd, off_t pos, int whence) {
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return syscall(SYS_seek, fd, pos, whence);
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}
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int
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sys_fstat(int fd, struct stat *stat) {
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return syscall(SYS_fstat, fd, stat);
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}
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int
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sys_fsync(int fd) {
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return syscall(SYS_fsync, fd);
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}
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int
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sys_getcwd(char *buffer, size_t len) {
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return syscall(SYS_getcwd, buffer, len);
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}
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int
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sys_getdirentry(int fd, struct dirent *dirent) {
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return syscall(SYS_getdirentry, fd, dirent);
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}
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int
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sys_dup(int fd1, int fd2) {
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return syscall(SYS_dup, fd1, fd2);
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}
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