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sep: fixed bpr bypass
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asdfugil committed Jun 14, 2024
1 parent 07d0036 commit 40effc6
Showing 1 changed file with 5 additions and 0 deletions.
5 changes: 5 additions & 0 deletions src/drivers/sep/sep.c
Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,11 @@ void sepfw_kpf(void* sepfw_bytes, size_t sepfw_size) {
fiprintf(stderr, "patched out bpr check\n");
#endif
break;
} else if (insn_stream[i] == 0xe1910200) { // orrs r0, r1, r0, lsl 4
insn_stream[i] = 0xe1500000; // cmp r0, r0
#ifdef SEP_DEBUG
fiprintf(stderr, "patched out bpr check\n");
#endif
}
}
}
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