armv7m: add generic trace support (TPIU, ITM, etc.)

[fw/openocd] / tcl / target / stm32f4x.cfg

diff --git a/tcl/target/stm32f4x.cfg b/tcl/target/stm32f4x.cfg
index fd5cab6a1c74390839aab7842a29606e6c627a75..51d76e7e5be6382e7bfc6aefa59d3ec984c21141 100644 (file)
--- a/tcl/target/stm32f4x.cfg
+++ b/tcl/target/stm32f4x.cfg
@@ -4,6 +4,7 @@
 # stm32 devices support both JTAG and SWD transports.
 #
 source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
 
 if { [info exists CHIPNAME] } {
    set _CHIPNAME $CHIPNAME
@@ -89,3 +90,19 @@ if {![using_hla]} {
    # perform a soft reset
    cortex_m reset_config sysresetreq
 }
+
+$_TARGETNAME configure -event examine-end {
+       # DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP
+       mmw 0xE0042004 0x00000007 0
+
+       # Stop watchdog counters during halt
+       # DBGMCU_APB1_FZ = DBG_IWDG_STOP | DBG_WWDG_STOP
+       mww 0xE0042008 0x00001800
+}
+
+$_TARGETNAME configure -event trace-config {
+       # Set TRACE_IOEN; TRACE_MODE is set to async; when using sync
+       # change this value accordingly to configure trace pins
+       # assignment
+       mmw 0xE0042004 0x00000020 0
+}