jtagonizer

commit bf1c46cd2f23033133e94c100216d616fe370b91
parent b09e4e8c9582bae629676d64a56b7c58e925bf01
Author: Brian Swetland <swetland@frotz.net>
Date:   Mon, 29 Sep 2014 18:19:09 -0700

v7debug: flush icache and other state on restart

Diffstat:
M
v7debug.c
 | 
5
+++++

1 file changed, 5 insertions(+), 0 deletions(-)
diff --git a/v7debug.c b/v7debug.c
@@ -126,6 +126,8 @@ static int dexec(V7DEBUG *debug, u32 instr) {
 }
 
 #define ARM_DSB			0xEE070F9A
+#define ARM_ICIALLU		0xEE070F15
+#define ARM_ISB			0xEE070F95
 #define ARM_MOV_DCC_Rx(x)	(0xEE000E15 | ((x) << 12)) // Rx -> DCC
 #define ARM_MOV_Rx_DCC(x)	(0xEE100E15 | ((x) << 12)) // DCC -> Rx
 #define ARM_MOV_R0_PC		0xE1A0000F
@@ -242,6 +244,9 @@ int debug_detach(V7DEBUG *debug) {
 	dccwr(debug, debug->save_r1);
 	dexec(debug, ARM_MOV_Rx_DCC(1));
 
+	dexec(debug, ARM_ICIALLU);
+	dexec(debug, ARM_ISB);
+
 	dwr(debug, DBGDSCR, 0);
 	dwr(debug, DBGDRCR, DRCR_CLR_EXC);
 	dwr(debug, DBGDRCR, DRCR_START_REQ);