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aarch64: clear CTI halt event early at debug entry 

The halt event was left pending in the CTI, better to clear it immediately
after debug entry.

Change-Id: I6002f862681baf98769e3c73332a7f7f0ef938c1
Signed-off-by: Matthias Welwarsky <matthias.welwarsky@sysgo.com>
Reviewed-on: http://openocd.zylin.com/4030
Tested-by: jenkins
Reviewed-by: Paul Fertser <fercerpav@gmail.com>
This commit is contained in:
Matthias Welwarsky 2017-03-01 16:15:33 +01:00 committed by Paul Fertser
parent 2804480b09
commit 332d66c75a
1 changed files with 2 additions and 0 deletions
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src/target/aarch64.c
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@ -923,6 +923,8 @@ static int aarch64_debug_entry(struct target *target)
if (retval == ERROR_OK)
retval = mem_ap_read_atomic_u32(armv8->debug_ap,
armv8->debug_base + CPUV8_DBG_DSCR, &dscr);
if (retval == ERROR_OK)
retval = arm_cti_ack_events(armv8->cti, CTI_TRIG(HALT));
if (retval != ERROR_OK)
return retval;