".set pop\n"
".end SyscallAsm\n"
".size SyscallAsm,.-SyscallAsm\n"
+#elif defined(__aarch64__)
+ ".text\n"
+ ".align 2\n"
+ ".type SyscallAsm, %function\n"
+ "SyscallAsm:\n"
+ ".cfi_startproc\n"
+ "cmp x0, #0\n"
+ "b.ge 1f\n"
+ "adr x0,2f\n"
+ "b 2f\n"
+ "1:ldr x5, [x6, #40]\n"
+ "ldr x4, [x6, #32]\n"
+ "ldr x3, [x6, #24]\n"
+ "ldr x2, [x6, #16]\n"
+ "ldr x1, [x6, #8]\n"
+ "mov x8, x0\n"
+ "ldr x0, [x6, #0]\n"
+ // Enter the kernel
+ "svc 0\n"
+ "2:ret\n"
+ ".cfi_endproc\n"
+ ".size SyscallAsm, .-SyscallAsm\n"
#endif
); // asm
// more like it would on other architectures.
ret = -ret;
}
+#elif defined(__aarch64__)
+ intptr_t ret;
+ {
+ register intptr_t inout __asm__("x0") = nr;
+ register const intptr_t* data __asm__("x6") = args;
+ asm volatile("bl SyscallAsm\n"
+ : "=r"(inout)
+ : "0"(inout), "r"(data)
+ : "memory", "x1", "x2", "x3", "x4", "x5", "x8", "x30");
+ ret = inout;
+ }
+
#else
#error "Unimplemented architecture"
#endif