mirror of https://github.com/flysand7/ciabatta.git
23 lines
602 B
C
23 lines
602 B
C
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#include <cia_definitions.h>
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#define STDOUT_FILENO 1
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#define SYS_write 1
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static __inline i64 __syscall3(i64 n, i64 a1, i64 a2, i64 a3) {
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i64 ret;
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__asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2),
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"d"(a3) : "rcx", "r11", "memory");
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return ret;
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}
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static inline i64 syscall_write(u32 fd, char const *buf, u64 count) {
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return __syscall3(SYS_write, (i64)fd, (i64)buf, (u64)count);
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}
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char string[] = "Hello, world!\n";
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int main(int argc, char **argv, char **envp) {
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syscall_write(STDOUT_FILENO, string, sizeof string);
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return 0;
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}
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