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meta: move photon/libc to root

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max 🍓
2026-02-08 20:45:25 +00:00
parent f00e74260d
commit 345a37962e
140 changed files with 0 additions and 0 deletions
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108
libc/sys/linux/machine/x86_64/syscall.c Normal file
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@@ -0,0 +1,108 @@
#include <stdint.h>
intptr_t __syscall0(uintptr_t id)
{
intptr_t ret = 0;
asm volatile("mov %1, %%rax; syscall; mov %%rax, %0"
: "=m" (ret)
: "m" (id));
return ret;
}
intptr_t __syscall1(uintptr_t id, uintptr_t p0)
{
intptr_t ret = 0;
asm volatile(
"mov %1, %%rax;"
"mov %2, %%rdi;"
"syscall;"
"mov %%rax, %0"
: "=m" (ret)
: "m" (id), "m" (p0));
return ret;
}
intptr_t __syscall2(uintptr_t id, uintptr_t p0, uintptr_t p1)
{
intptr_t ret = 0;
asm volatile(
"mov %1, %%rax;"
"mov %2, %%rdi;"
"mov %3, %%rsi;"
"syscall;"
"mov %%rax, %0"
: "=m" (ret)
: "m" (id), "m" (p0), "m" (p1));
return ret;
}
intptr_t __syscall3(uintptr_t id, uintptr_t p0, uintptr_t p1, uintptr_t p2)
{
intptr_t ret = 0;
asm volatile(
"movq %1, %%rax;"
"mov %2, %%rdi;"
"mov %3, %%rsi;"
"mov %4, %%rdx;"
"syscall;"
"mov %%rax, %0"
: "=m" (ret)
: "m" (id), "m" (p0), "m" (p1), "m" (p2));
return ret;
}
intptr_t __syscall4(uintptr_t id, uintptr_t p0, uintptr_t p1, uintptr_t p2,
uintptr_t p3)
{
intptr_t ret = 0;
asm volatile(
"mov %1, %%rax;"
"mov %2, %%rdi;"
"mov %3, %%rsi;"
"mov %4, %%rdx;"
"mov %5, %%r10;"
"syscall;"
"mov %%rax, %0"
: "=m" (ret)
: "m" (id), "m" (p0), "m" (p1), "m" (p2), "m" (p3));
return ret;
}
intptr_t __syscall5(uintptr_t id, uintptr_t p0, uintptr_t p1, uintptr_t p2,
uintptr_t p3, uintptr_t p4)
{
intptr_t ret = 0;
asm volatile(
"mov %1, %%rax;"
"mov %2, %%rdi;"
"mov %3, %%rsi;"
"mov %4, %%rdx;"
"mov %5, %%r10;"
"mov %6, %%r8;"
"syscall;"
"mov %%rax, %0"
: "=m" (ret)
: "m" (id), "m" (p0), "m" (p1), "m" (p2), "m" (p3), "m" (p4));
return ret;
}
intptr_t __syscall6(uintptr_t id, uintptr_t p0, uintptr_t p1, uintptr_t p2,
uintptr_t p3, uintptr_t p4, uintptr_t p5)
{
intptr_t ret = 0;
asm volatile(
"mov %1, %%rax;"
"mov %2, %%rdi;"
"mov %3, %%rsi;"
"mov %4, %%rdx;"
"mov %5, %%r10;"
"mov %6, %%r8;"
"mov %7, %%r9;"
"syscall;"
"mov %%rax, %0"
: "=m" (ret)
: "m" (id), "m" (p0), "m" (p1), "m" (p2), "m" (p3), "m" (p4),
"m" (p5));
return ret;
}