add $nativecall command

2025-02-22 20:52:47 -08:00
parent 11d539042c
commit 66e00d5136
4 changed files with 133 additions and 0 deletions
@@ -0,0 +1,52 @@
+# This function implements the $nativecall chat command on GameCube clients.
+
+entry_ptr:
+reloc0:
+  .offsetof start
+
+start:
+  mflr   r0
+  stw    [r1 + 4], r0
+  stwu   [r1 - 0x20], r1
+  bl     read
+call_addr:
+  .zero
+arg0:
+  .zero
+arg1:
+  .zero
+arg2:
+  .zero
+arg3:
+  .zero
+arg4:
+  .zero
+arg5:
+  .zero
+arg6:
+  .zero
+arg7:
+  .zero
+arg8:
+  .zero
+arg9:
+  .zero
+resume:
+  mflr   r12
+  lwz    r0, [r12]          # call_addr
+  lwz    r3, [r12 + 0x04]   # arg0
+  lwz    r4, [r12 + 0x08]   # arg1
+  lwz    r5, [r12 + 0x0C]   # arg2
+  lwz    r6, [r12 + 0x10]   # arg3
+  lwz    r7, [r12 + 0x14]   # arg4
+  lwz    r8, [r12 + 0x18]   # arg5
+  lwz    r9, [r12 + 0x1C]   # arg6
+  lwz    r10, [r12 + 0x20]  # arg7
+  lwz    r11, [r12 + 0x24]  # arg8
+  lwz    r12, [r12 + 0x28]  # arg9
+  mtctr  r0
+  bctrl
+  addi   r1, r1, 0x20
+  lwz    r0, [r1 + 4]
+  mtlr   r0
+  blr