sep: fixed bpr bypass (#183)

checkra1n · Jun 14, 2024 · 7973d54 · 7973d54
1 parent 07d0036
commit 7973d54
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/drivers/sep/sep.c b/src/drivers/sep/sep.c
@@ -98,7 +98,7 @@ void sepfw_kpf(void* sepfw_bytes, size_t sepfw_size) {
  fiprintf(stderr, "patched out bpr check\n");
 #endif
  break;
- } else if (insn_stream[i] == 0xe1930200) { // orrs r0, r3, r0, lsl 4
+ } else if ((insn_stream[i] & 0xfff8ffff) == 0xe1900200) { // orrs r0, r{0-7}, r0, lsl 4
  insn_stream[i] = 0xe1500000; // cmp r0, r0
 #ifdef SEP_DEBUG
  fiprintf(stderr, "patched out bpr check\n");