add xbox patch support

2024-01-21 21:56:48 -08:00
parent db3cecdd2b
commit 80a57f9d3e
147 changed files with 584 additions and 198 deletions
@@ -0,0 +1,20 @@
+  mflr    r8
+  b       get_patch_data_ptr
+get_patch_data_ptr_ret:
+  mflr    r7  # r7 = patch header
+apply_patch:
+  addi    r4, r7, 8  # r4 = start of patch data
+  lwz     r3, [r4 - 8]  # r3 = patch dest address
+  lwz     r5, [r4 - 4]  # r5 = patch data size
+  or      r0, r3, r5
+  cmplwi  r0, 0
+  mtlr    r8
+  beqlr
+  add     r7, r4, r5  # r7 = next patch header
+  .include CopyCode
+  b       apply_patch
+
+get_patch_data_ptr:
+  bl      get_patch_data_ptr_ret
+
+first_patch_header: