1761206468

old/poweroff_aarch64.s

@@ -0,0 +1,28 @@
+.global _start
+.text
+
+_start:
+    // Arguments are passed in registers x0 through x7 for AArch64.
+    // sys_reboot magic constants
+    mov x0, #0xfee1dead
+    mov x1, #0x28121969
+
+    // The Linux constant LINUX_REBOOT_CMD_HALT
+    mov x2, #0xcdef0123
+
+    // The fourth argument (x3) is optional, so set it to 0.
+    mov x3, #0
+
+    // The syscall number for sys_reboot on AArch64 is 169.
+    // The syscall number is placed in the X8 register.
+    mov x8, #169
+
+    // Execute the syscall.
+    svc #0
+
+    // This code should not be reached.
+    // If it is, exit with a status code.
+    // sys_exit is syscall number 93 on AArch64.
+    mov x8, #93
+    mov x0, #1
+    svc #0