acadia/zion/usr/zcall.cpp

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#include "include/zcall.h"
#include <stdint.h>
z_err_t SysCall1(uint64_t number, const void* first) {
z_err_t return_code;
asm("syscall" : "=a"(return_code) : "D"(number), "S"(first) : "rcx", "r11");
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return return_code;
}