From e53f7e5fc0d92299ee0bcc255bb8d1107a297372 Mon Sep 17 00:00:00 2001
From: Peter Horn <peter.horn@bluewin.ch>
Date: Tue, 28 Jun 2011 14:08:22 +0100
Subject: [PATCH] cortex_m3: add BKPT_TYPE_BY_ADDR define
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
---
src/target/cortex_m3.c | 36 ++++++++++++++++++++++--------------
1 file changed, 22 insertions(+), 14 deletions(-)
diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c
index 269d2a67f..9c3d2d9d6 100644
--- a/src/target/cortex_m3.c
+++ b/src/target/cortex_m3.c
@@ -51,6 +51,11 @@
* any longer.
*/
+/**
+ * Returns the type of a break point required by address location
+ */
+#define BKPT_TYPE_BY_ADDR(addr) ((addr) < 0x20000000 ? BKPT_HARD : BKPT_SOFT)
+
/* forward declarations */
static int cortex_m3_set_breakpoint(struct target *target, struct breakpoint *breakpoint);
@@ -864,10 +869,11 @@ static int cortex_m3_step(struct target *target, int current,
if (!current)
buf_set_u32(pc->value, 0, 32, address);
+ uint32_t pc_value = buf_get_u32(pc->value, 0, 32);
+
/* the front-end may request us not to handle breakpoints */
if (handle_breakpoints) {
- breakpoint = breakpoint_find(target,
- buf_get_u32(pc->value, 0, 32));
+ breakpoint = breakpoint_find(target, pc_value);
if (breakpoint)
cortex_m3_unset_breakpoint(target, breakpoint);
}
@@ -1071,7 +1077,7 @@ cortex_m3_set_breakpoint(struct target *target, struct breakpoint *breakpoint)
if (cortex_m3->auto_bp_type)
{
- breakpoint->type = (breakpoint->address < 0x20000000) ? BKPT_HARD : BKPT_SOFT;
+ breakpoint->type = BKPT_TYPE_BY_ADDR(breakpoint->address);
}
if (breakpoint->type == BKPT_HARD)
@@ -1191,7 +1197,7 @@ cortex_m3_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
if (cortex_m3->auto_bp_type)
{
- breakpoint->type = (breakpoint->address < 0x20000000) ? BKPT_HARD : BKPT_SOFT;
+ breakpoint->type = BKPT_TYPE_BY_ADDR(breakpoint->address);
#ifdef ARMV7_GDB_HACKS
if (breakpoint->length != 2) {
/* XXX Hack: Replace all breakpoints with length != 2 with
@@ -1202,16 +1208,18 @@ cortex_m3_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
#endif
}
- if ((breakpoint->type == BKPT_HARD) && (breakpoint->address >= 0x20000000))
- {
- LOG_INFO("flash patch comparator requested outside code memory region");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
+ if(breakpoint->type != BKPT_TYPE_BY_ADDR(breakpoint->address)) {
+ if (breakpoint->type == BKPT_HARD)
+ {
+ LOG_INFO("flash patch comparator requested outside code memory region");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
- if ((breakpoint->type == BKPT_SOFT) && (breakpoint->address < 0x20000000))
- {
- LOG_INFO("soft breakpoint requested in code (flash) memory region");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ if (breakpoint->type == BKPT_SOFT)
+ {
+ LOG_INFO("soft breakpoint requested in code (flash) memory region");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
}
if ((breakpoint->type == BKPT_HARD) && (cortex_m3->fp_code_available < 1))
@@ -1246,7 +1254,7 @@ cortex_m3_remove_breakpoint(struct target *target, struct breakpoint *breakpoint
if (cortex_m3->auto_bp_type)
{
- breakpoint->type = (breakpoint->address < 0x20000000) ? BKPT_HARD : BKPT_SOFT;
+ breakpoint->type = BKPT_TYPE_BY_ADDR(breakpoint->address);
}
if (breakpoint->set)
--
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