maze stub logs lr/sp to mailbox

2026-09-11 07:31:35 +00:00
parent 5feb3b8332
commit 8c04899031
2 changed files with 32 additions and 4 deletions
@@ -0,0 +1,13 @@
+    .syntax unified
+    .cpu cortex-a7
+    .thumb
+    @ maze entry logger: record lr/sp to mailbox 0x08062200, return 0.
+    .text
+    .global maze_stub
+maze_stub:
+    movw r12, #:lower16:0x08062200
+    movt r12, #:upper16:0x08062200
+    str lr, [r12]
+    str sp, [r12, #4]
+    movs r0, #0
+    bx lr