Adapt changes from b9s/next

arm11/source/start.s

@@ -17,11 +17,35 @@
 @   Additional Terms 7.b of GPLv3 applies to this file: Requiring preservation of specified
 @   reasonable legal notices or author attributions in that material or in the Appropriate Legal
 @   Notices displayed by works containing it.
-
+ 
 .section .text.start
 .align 4
 .global _start
+.type   _start, %function
 _start:
+b start
+
+.global operation
+operation:
+    .word 0
+
+start:
     cpsid aif
-    ldr sp, =0x1FFFE000
+    ldr sp, =__stack_top__
     b main
+
+.global prepareForFirmlaunch
+.type   prepareForFirmlaunch, %function
+prepareForFirmlaunch:
+    mov r0, #0x20000000
+
+    _wait_for_core0_entrypoint_loop:
+        ldr r1, [r0, #-4]   @ check if core0's entrypoint is 0
+        cmp r1, #0
+        beq _wait_for_core0_entrypoint_loop
+
+    bx r1                   @ jump to core0's entrypoint
+prepareForFirmlaunchEnd:
+
+.global prepareForFirmlaunchSize
+prepareForFirmlaunchSize: .word prepareForFirmlaunchEnd - prepareForFirmlaunch