This makes the newer v2 api behave as per the v1 api, eg. single stepping
masks all interrupts.
A better long term solution is to use same behaviour as a cortex-m3
target, see CORTEX_M3_ISRMASK_AUTO.
Change-Id: Iaf9f9adf225cf274faaac938050bb996582aa98f
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/621
Tested-by: jenkins
h = (struct stlink_usb_handle_s *)handle;
h = (struct stlink_usb_handle_s *)handle;
- if (h->jtag_api == STLINK_JTAG_API_V2)
- return stlink_usb_write_debug_reg(handle, DCB_DHCSR, DBGKEY|C_STEP|C_DEBUGEN);
+ if (h->jtag_api == STLINK_JTAG_API_V2) {
+ /* TODO: this emulates the v1 api, it should really use a similar auto mask isr
+ * that the cortex-m3 currently does. */
+ stlink_usb_write_debug_reg(handle, DCB_DHCSR, DBGKEY|C_HALT|C_MASKINTS|C_DEBUGEN);
+ stlink_usb_write_debug_reg(handle, DCB_DHCSR, DBGKEY|C_STEP|C_MASKINTS|C_DEBUGEN);
+ return stlink_usb_write_debug_reg(handle, DCB_DHCSR, DBGKEY|C_HALT|C_DEBUGEN);
+ }
stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
stlink_usb_init_buffer(handle, STLINK_RX_EP, 2);
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