mirror of
https://github.com/Noratrieb/rustv32i.git
synced 2026-01-14 21:35:02 +01:00
20 lines
370 B
C
20 lines
370 B
C
// <https://jborza.com/post/2021-05-11-riscv-linux-syscalls/>
|
|
|
|
_Noreturn void __attribute__ ((noinline)) exit(int code)
|
|
{
|
|
__asm__ volatile(
|
|
"li a7, 93;" // exit
|
|
"mv a0, %0;" // code
|
|
"ecall"
|
|
:
|
|
: "r"(code)
|
|
: "a7", "a0", "memory"
|
|
);
|
|
__builtin_unreachable();
|
|
}
|
|
|
|
_Noreturn void _start(void)
|
|
{
|
|
|
|
exit(10);
|
|
}
|