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 @@
+# This code flushes the data cache and invalidates the instruction cache for a
+# block of newly-written code in memory.
+# Arguments:
+#   r3 = address of written code
+#   r4 = number of bytes
+# Returns: nothing
+# Overwrites: r3, r4, r5
+  lis     r5, 0xFFFF
+  ori     r5, r5, 0xFFF1
+  and     r5, r5, r3
+  subf    r3, r5, r3
+  add     r4, r4, r3
+flush_cached_code_writes__again:
+  dcbst   r0, r5
+  sync
+  icbi    r0, r5
+  addic   r5, r5, 8
+  subic.  r4, r4, 8
+  bge     flush_cached_code_writes__again
+  isync