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Add support for clock syscalls

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This commit is contained in:
Lucas Schumacher
2025-04-30 12:52:49 -04:00
parent 74cfa5f949
commit ab5dd8d9fb
6 changed files with 214 additions and 0 deletions
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59
arch/mips.c
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@@ -242,4 +242,63 @@ ssize_t recvfrom(int sockfd, const void* buf, size_t size, int flags, const void
return rtn;
}
int clock_settime(clockid_t clockid, const struct timespec *tp){
int rtn = 0;
asm volatile (
"move $a0, %1\n"
"move $a1, %2\n"
"li $v0, 4262\n"
"syscall\n"
"move %0, $v0\n"
: "=r"(rtn)
: "r"(clockid), "r"(tp)
: "a0", "a1", "v0"
);
return rtn;
}
int clock_gettime(clockid_t clockid, struct timespec *tp){
int rtn = 0;
asm volatile (
"move $a0, %1\n"
"move $a1, %2\n"
"li $v0, 4263\n"
"syscall\n"
"move %0, $v0\n"
: "=r"(rtn)
: "r"(clockid), "r"(tp)
: "a0", "a1", "v0", "memory"
);
return rtn;
}
int clock_getres(clockid_t clockid, struct timespec *res){
int rtn = 0;
asm volatile (
"move $a0, %1\n"
"move $a1, %2\n"
"li $v0, 4264\n"
"syscall\n"
"move %0, $v0\n"
: "=r"(rtn)
: "r"(clockid), "r"(res)
: "a0", "a1", "v0", "memory"
);
return rtn;
}
int clock_nanosleep(clockid_t clockid, int flags, const struct timespec *t, struct timespec* remain){
int rtn = 0;
asm volatile (
"move $a0, %1\n"
"move $a1, %2\n"
"move $a2, %3\n"
"move $a3, %4\n"
"li $v0, 4265\n"
"syscall\n"
"move %0, $v0\n"
: "=r"(rtn)
: "r"(clockid), "r"(flags), "r"(t), "r"(remain)
: "a0", "a1", "a2", "a3", "v0", "memory"
);
return rtn;
}
#endif