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xscale: cleanup 

- fix error propagation
- add some debug output for "unused" variables
- reduce scope of variable to avoid "unread" variables.

Change-Id: I136995f2a043102e64b8fff3017502fae564013b
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Reviewed-on: http://openocd.zylin.com/175
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Øyvind Harboe 2011-11-07 07:20:26 +01:00 committed by Spencer Oliver
parent b01e136045
commit 6be4646d17
1 changed files with 8 additions and 1 deletions
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9
src/target/xscale.c
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@ -1180,7 +1180,6 @@ static int xscale_resume(struct target *target, int current,
{
struct xscale_common *xscale = target_to_xscale(target);
struct arm *armv4_5 = &xscale->armv4_5_common;
struct breakpoint *breakpoint = target->breakpoints;
uint32_t current_pc;
int retval;
int i;
@ -1218,6 +1217,7 @@ static int xscale_resume(struct target *target, int current,
/* the front-end may request us not to handle breakpoints */
if (handle_breakpoints)
{
struct breakpoint *breakpoint;
breakpoint = breakpoint_find(target,
buf_get_u32(armv4_5->pc->value, 0, 32));
if (breakpoint != NULL)
@ -1242,6 +1242,8 @@ static int xscale_resume(struct target *target, int current,
/* restore banked registers */
retval = xscale_restore_banked(target);
if (retval != ERROR_OK)
return retval;
/* send resume request */
xscale_send_u32(target, 0x30);
@ -1289,6 +1291,8 @@ static int xscale_resume(struct target *target, int current,
/* restore banked registers */
retval = xscale_restore_banked(target);
if (retval != ERROR_OK)
return retval;
/* send resume request (command 0x30 or 0x31)
* clean the trace buffer if it is to be enabled (0x62) */
@ -1462,6 +1466,7 @@ static int xscale_step(struct target *target, int current,
if ((retval = arm_simulate_step(target, NULL)) != ERROR_OK)
return retval;
current_pc = buf_get_u32(armv4_5->pc->value, 0, 32);
LOG_DEBUG("current pc %" PRIx32, current_pc);
target->debug_reason = DBG_REASON_SINGLESTEP;
target_call_event_callbacks(target, TARGET_EVENT_HALTED);
@ -1480,6 +1485,8 @@ static int xscale_step(struct target *target, int current,
}
retval = xscale_step_inner(target, current, address, handle_breakpoints);
if (retval != ERROR_OK)
return retval;
if (breakpoint)
{