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user: implement mlibc as the libc, finally.

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It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>
This commit is contained in:
kaguya
2026-05-02 03:31:49 -04:00
parent 2fa39ad85a
commit 9a9b91c940
2387 changed files with 152741 additions and 315 deletions
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user/include/mlibc/sysdeps/linux/riscv64/arch-syscall.cpp
+117
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@@ -0,0 +1,117 @@
#include <sys/syscall.h>
#include <bits/syscall.h>
using sc_word_t = __sc_word_t;
sc_word_t __do_syscall0(long sc) {
register int sc_reg asm("a7") = sc;
register sc_word_t ret asm("a0");
asm volatile ("ecall" : "=r"(ret) : "r"(sc_reg) : "memory", "a1");
return ret;
}
sc_word_t __do_syscall1(long sc,
sc_word_t arg1) {
register int sc_reg asm("a7") = sc;
register sc_word_t arg1_reg asm("a0") = arg1;
register sc_word_t ret asm("a0");
asm volatile ("ecall" : "=r"(ret) :
"r"(sc_reg),
"r"(arg1_reg)
: "memory", "a1");
return ret;
}
sc_word_t __do_syscall2(long sc,
sc_word_t arg1, sc_word_t arg2) {
register int sc_reg asm("a7") = sc;
register sc_word_t arg1_reg asm("a0") = arg1;
register sc_word_t arg2_reg asm("a1") = arg2;
register sc_word_t ret asm("a0");
asm volatile ("ecall" : "=r"(ret) :
"r"(sc_reg),
"r"(arg1_reg),
"r"(arg2_reg)
: "memory");
return ret;
}
sc_word_t __do_syscall3(long sc,
sc_word_t arg1, sc_word_t arg2, sc_word_t arg3) {
register int sc_reg asm("a7") = sc;
register sc_word_t arg1_reg asm("a0") = arg1;
register sc_word_t arg2_reg asm("a1") = arg2;
register sc_word_t arg3_reg asm("a2") = arg3;
register sc_word_t ret asm("a0");
asm volatile ("ecall" : "=r"(ret) :
"r"(sc_reg),
"r"(arg1_reg),
"r"(arg2_reg),
"r"(arg3_reg)
: "memory");
return ret;
}
sc_word_t __do_syscall4(long sc,
sc_word_t arg1, sc_word_t arg2, sc_word_t arg3,
sc_word_t arg4) {
register int sc_reg asm("a7") = sc;
register sc_word_t arg1_reg asm("a0") = arg1;
register sc_word_t arg2_reg asm("a1") = arg2;
register sc_word_t arg3_reg asm("a2") = arg3;
register sc_word_t arg4_reg asm("a3") = arg4;
register sc_word_t ret asm("a0");
asm volatile ("ecall" : "=r"(ret) :
"r"(sc_reg),
"r"(arg1_reg),
"r"(arg2_reg),
"r"(arg3_reg),
"r"(arg4_reg)
: "memory");
return ret;
}
sc_word_t __do_syscall5(long sc,
sc_word_t arg1, sc_word_t arg2, sc_word_t arg3,
sc_word_t arg4, sc_word_t arg5) {
register int sc_reg asm("a7") = sc;
register sc_word_t arg1_reg asm("a0") = arg1;
register sc_word_t arg2_reg asm("a1") = arg2;
register sc_word_t arg3_reg asm("a2") = arg3;
register sc_word_t arg4_reg asm("a3") = arg4;
register sc_word_t arg5_reg asm("a4") = arg5;
register sc_word_t ret asm("a0");
asm volatile ("ecall" : "=r"(ret) :
"r"(sc_reg),
"r"(arg1_reg),
"r"(arg2_reg),
"r"(arg3_reg),
"r"(arg4_reg),
"r"(arg5_reg)
: "memory");
return ret;
}
sc_word_t __do_syscall6(long sc,
sc_word_t arg1, sc_word_t arg2, sc_word_t arg3,
sc_word_t arg4, sc_word_t arg5, sc_word_t arg6) {
register int sc_reg asm("a7") = sc;
register sc_word_t arg1_reg asm("a0") = arg1;
register sc_word_t arg2_reg asm("a1") = arg2;
register sc_word_t arg3_reg asm("a2") = arg3;
register sc_word_t arg4_reg asm("a3") = arg4;
register sc_word_t arg5_reg asm("a4") = arg5;
register sc_word_t arg6_reg asm("a5") = arg6;
register sc_word_t ret asm("a0");
asm volatile ("ecall" : "=r"(ret) :
"r"(sc_reg),
"r"(arg1_reg),
"r"(arg2_reg),
"r"(arg3_reg),
"r"(arg4_reg),
"r"(arg5_reg),
"r"(arg6_reg)
: "memory"
);
return ret;
}