From 7973d5454cc90766a32ee816c8909ab58a818eb2 Mon Sep 17 00:00:00 2001
From: Nick Chan <towinchenmi@gmail.com>
Date: Fri, 14 Jun 2024 14:02:00 +0800
Subject: [PATCH] sep: fixed bpr bypass (#183)

---
 src/drivers/sep/sep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/drivers/sep/sep.c b/src/drivers/sep/sep.c
index 3281e5f4..2f9f1ce1 100644
--- 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");