From: David Brownell <dbrownell@users.sourceforge.net>
Date: Mon, 7 Dec 2009 20:05:59 +0000 (-0800)
Subject: ARM DPM: don't write low bits of watchpoint value
X-Git-Tag: v0.4.0-rc1~87
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=efb93efd6f2eb7aa555e4e86e95b636003ccf37a;p=openocd

ARM DPM: don't write low bits of watchpoint value

The low two bits are defined as should-be-zero-or-presereved.
We'll take the zero option, it's easier to enforce.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
---

diff --git a/src/target/arm_dpm.c b/src/target/arm_dpm.c
index ff89c476..1ddf530c 100644
--- a/src/target/arm_dpm.c
+++ b/src/target/arm_dpm.c
@@ -329,7 +329,7 @@ int arm_dpm_write_dirty_registers(struct arm_dpm *dpm, bool bpwp)
 			retval = dpm->bpwp_disable(dpm, 16 + i);
 		else
 			retval = dpm->bpwp_enable(dpm, 16 + i,
-					wp->address, dwp->control);
+					wp->address & ~3, dwp->control);
 
 		if (retval != ERROR_OK)
 			LOG_ERROR("%s: can't %s HW watchpoint %d",