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target: Rework 'set' variable of break-/watchpoints

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The 'set' variable name suggests a boolean data type which determines
whether a breakpoint (or watchpoint) is active. However, it is also
used to store the number of the breakpoint.

This encoding leads to inconsistent value assignments: boolean and
integer values are mixed. Also, associated hardware comparator
numbers, which are usually numbered from 0, cannot be used directly.
An additional offset is required to store the comparator numbers.

In order to make the code more readable and the value assignment more
consistent, change the variable name to 'is_set', its data type to 'bool'
and introduce a dedicated variable for the break-/watchpoint
number.

In order to make the review easier, the data types of various related
variables (e.g. number of breakpoints) are not changed.

While at it, fix a few coding style issues.

Change-Id: I2193f5639247cce6b80580d4c1c6afee916aeb82
Signed-off-by: Marc Schink <dev@zapb.de>
Reviewed-on: https://review.openocd.org/c/openocd/+/6319
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
This commit is contained in:
Marc Schink
2021-06-13 11:21:18 +02:00
committed by Antonio Borneo
parent ab43721be6
commit fb43f1ff4e
21 changed files with 258 additions and 242 deletions
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8
src/target/openrisc/or1k.c
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@@ -923,9 +923,9 @@ static int or1k_add_breakpoint(struct target *target,
struct or1k_du *du_core = or1k_to_du(or1k);
uint8_t data;
LOG_DEBUG("Adding breakpoint: addr 0x%08" TARGET_PRIxADDR ", len %d, type %d, set: %d, id: %" PRIu32,
LOG_DEBUG("Adding breakpoint: addr 0x%08" TARGET_PRIxADDR ", len %d, type %d, id: %" PRIu32,
breakpoint->address, breakpoint->length, breakpoint->type,
breakpoint->set, breakpoint->unique_id);
breakpoint->unique_id);
/* Only support SW breakpoints for now. */
if (breakpoint->type == BKPT_HARD)
@@ -981,9 +981,9 @@ static int or1k_remove_breakpoint(struct target *target,
struct or1k_common *or1k = target_to_or1k(target);
struct or1k_du *du_core = or1k_to_du(or1k);
LOG_DEBUG("Removing breakpoint: addr 0x%08" TARGET_PRIxADDR ", len %d, type %d, set: %d, id: %" PRIu32,
LOG_DEBUG("Removing breakpoint: addr 0x%08" TARGET_PRIxADDR ", len %d, type %d, id: %" PRIu32,
breakpoint->address, breakpoint->length, breakpoint->type,
breakpoint->set, breakpoint->unique_id);
breakpoint->unique_id);
/* Only support SW breakpoints for now. */
if (breakpoint->type == BKPT_HARD)