X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fstm%2Fao_boot_chain.c;h=668f6e6d6813aab8d0b6a8afc3190dcc91f7878a;hp=9c63272b34b2261cd77cce868b93b31b0b6ce905;hb=35ef1f17e3efaa6d586ab7bb301f8133d52023b6;hpb=b1a43ce313c85cb7f8f16f7f0647d9d4320ba692

diff --git a/src/stm/ao_boot_chain.c b/src/stm/ao_boot_chain.c
index 9c63272b..668f6e6d 100644
--- a/src/stm/ao_boot_chain.c
+++ b/src/stm/ao_boot_chain.c
@@ -26,9 +26,11 @@ ao_boot_chain(uint32_t *base)
 
 	sp = base[0];
 	pc = base[1];
-	asm ("mov sp, %0" : : "r" (sp));
-	asm ("mov lr, %0" : : "r" (pc));
-	asm ("bx lr");
+	if (0x08000100 <= pc && pc <= 0x08200000) {
+		asm ("mov sp, %0" : : "r" (sp));
+		asm ("mov lr, %0" : : "r" (pc));
+		asm ("bx lr");
+	}
 }
 
 #define AO_BOOT_SIGNAL	0x5a5aa5a5