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-rw-r--r--src/target/arm7tdmi.c42
-rw-r--r--src/target/arm9tdmi.c44
-rw-r--r--src/target/embeddedice.c35
-rw-r--r--src/target/etm.c53
4 files changed, 121 insertions, 53 deletions
diff --git a/src/target/arm7tdmi.c b/src/target/arm7tdmi.c
index f331bd2f..214eea05 100644
--- a/src/target/arm7tdmi.c
+++ b/src/target/arm7tdmi.c
@@ -738,26 +738,42 @@ void arm7tdmi_build_reg_cache(target_t *target)
reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
/* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
- arm_jtag_t *jtag_info = &arm7_9->jtag_info;
(*cache_p) = armv4_5_build_reg_cache(target, armv4_5);
armv4_5->core_cache = (*cache_p);
-
- (*cache_p)->next = embeddedice_build_reg_cache(target, arm7_9);
- arm7_9->eice_cache = (*cache_p)->next;
-
- if (arm7_9->etm_ctx)
- {
- (*cache_p)->next->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
- arm7_9->etm_ctx->reg_cache = (*cache_p)->next->next;
- }
}
int arm7tdmi_examine(struct command_context_s *cmd_ctx, struct target_s *target)
{
- target->type->examined = 1;
-
+ int retval;
+ armv4_5_common_t *armv4_5 = target->arch_info;
+ arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ if (!target->type->examined)
+ {
+ /* get pointers to arch-specific information */
+ reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
+ reg_cache_t *t=embeddedice_build_reg_cache(target, arm7_9);
+ if (t==NULL)
+ return ERROR_FAIL;
+
+ (*cache_p) = t;
+ arm7_9->eice_cache = (*cache_p);
+
+ if (arm7_9->etm_ctx)
+ {
+ arm_jtag_t *jtag_info = &arm7_9->jtag_info;
+ (*cache_p)->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
+ arm7_9->etm_ctx->reg_cache = (*cache_p)->next;
+ }
+ target->type->examined = 1;
+ }
+ if ((retval=embeddedice_setup(target))!=ERROR_OK)
+ return retval;
+ if (arm7_9->etm_ctx)
+ {
+ if ((retval=etm_setup(target))!=ERROR_OK)
+ return retval;
+ }
return ERROR_OK;
}
diff --git a/src/target/arm9tdmi.c b/src/target/arm9tdmi.c
index 0df6a14b..30034311 100644
--- a/src/target/arm9tdmi.c
+++ b/src/target/arm9tdmi.c
@@ -843,26 +843,44 @@ void arm9tdmi_build_reg_cache(target_t *target)
reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
/* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
- arm_jtag_t *jtag_info = &arm7_9->jtag_info;
(*cache_p) = armv4_5_build_reg_cache(target, armv4_5);
armv4_5->core_cache = (*cache_p);
-
- /* one extra register (vector catch) */
- (*cache_p)->next = embeddedice_build_reg_cache(target, arm7_9);
- arm7_9->eice_cache = (*cache_p)->next;
-
- if (arm7_9->etm_ctx)
- {
- (*cache_p)->next->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
- arm7_9->etm_ctx->reg_cache = (*cache_p)->next->next;
- }
}
+
int arm9tdmi_examine(struct command_context_s *cmd_ctx, struct target_s *target)
{
- target->type->examined = 1;
+ /* get pointers to arch-specific information */
+ int retval;
+ armv4_5_common_t *armv4_5 = target->arch_info;
+ arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ if (!target->type->examined)
+ {
+ reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
+ reg_cache_t *t;
+ /* one extra register (vector catch) */
+ t=embeddedice_build_reg_cache(target, arm7_9);
+ if (t==NULL)
+ return ERROR_FAIL;
+ (*cache_p) = t;
+ arm7_9->eice_cache = (*cache_p);
+
+ if (arm7_9->etm_ctx)
+ {
+ arm_jtag_t *jtag_info = &arm7_9->jtag_info;
+ (*cache_p)->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
+ arm7_9->etm_ctx->reg_cache = (*cache_p)->next;
+ }
+ target->type->examined = 1;
+ }
+ if ((retval=embeddedice_setup(target))!=ERROR_OK)
+ return retval;
+ if (arm7_9->etm_ctx)
+ {
+ if ((retval=etm_setup(target))!=ERROR_OK)
+ return retval;
+ }
return ERROR_OK;
}
diff --git a/src/target/embeddedice.c b/src/target/embeddedice.c
index 2f1a237f..5e6f3db6 100644
--- a/src/target/embeddedice.c
+++ b/src/target/embeddedice.c
@@ -88,6 +88,7 @@ int embeddedice_read_reg(reg_t *reg);
reg_cache_t* embeddedice_build_reg_cache(target_t *target, arm7_9_common_t *arm7_9)
{
+ int retval;
reg_cache_t *reg_cache = malloc(sizeof(reg_cache_t));
reg_t *reg_list = NULL;
embeddedice_reg_t *arch_info = NULL;
@@ -133,7 +134,16 @@ reg_cache_t* embeddedice_build_reg_cache(target_t *target, arm7_9_common_t *arm7
/* identify EmbeddedICE version by reading DCC control register */
embeddedice_read_reg(&reg_list[EICE_COMMS_CTRL]);
- jtag_execute_queue();
+ if ((retval=jtag_execute_queue())!=ERROR_OK)
+ {
+ for (i = 0; i < num_regs; i++)
+ {
+ free(reg_list[i].value);
+ }
+ free(reg_list);
+ free(arch_info);
+ return NULL;
+ }
eice_version = buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 28, 4);
@@ -181,16 +191,27 @@ reg_cache_t* embeddedice_build_reg_cache(target_t *target, arm7_9_common_t *arm7
LOG_ERROR("unknown EmbeddedICE version (comms ctrl: 0x%8.8x)", buf_get_u32(reg_list[EICE_COMMS_CTRL].value, 0, 32));
}
+ return reg_cache;
+}
+
+int embeddedice_setup(target_t *target)
+{
+ int retval;
+ armv4_5_common_t *armv4_5 = target->arch_info;
+ arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+
/* explicitly disable monitor mode */
if (arm7_9->has_monitor_mode)
{
- embeddedice_read_reg(&reg_list[EICE_DBG_CTRL]);
- jtag_execute_queue();
- buf_set_u32(reg_list[EICE_DBG_CTRL].value, 4, 1, 0);
- embeddedice_set_reg_w_exec(&reg_list[EICE_DBG_CTRL], reg_list[EICE_DBG_CTRL].value);
+ reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
+
+ embeddedice_read_reg(dbg_ctrl);
+ if ((retval=jtag_execute_queue())!=ERROR_OK)
+ return retval;
+ buf_set_u32(dbg_ctrl->value, 4, 1, 0);
+ embeddedice_set_reg_w_exec(dbg_ctrl, dbg_ctrl->value);
}
-
- return reg_cache;
+ return jtag_execute_queue();
}
int embeddedice_get_reg(reg_t *reg)
diff --git a/src/target/etm.c b/src/target/etm.c
index c6749c5c..8e39a4f6 100644
--- a/src/target/etm.c
+++ b/src/target/etm.c
@@ -223,7 +223,6 @@ reg_cache_t* etm_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, etm_co
etm_reg_t *arch_info = NULL;
int num_regs = sizeof(etm_reg_arch_info)/sizeof(int);
int i;
- u32 etm_ctrl_value;
/* register a register arch-type for etm registers only once */
if (etm_reg_arch_type == -1)
@@ -256,21 +255,6 @@ reg_cache_t* etm_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, etm_co
arch_info[i].jtag_info = jtag_info;
}
- /* initialize some ETM control register settings */
- etm_get_reg(&reg_list[ETM_CTRL]);
- etm_ctrl_value = buf_get_u32(reg_list[ETM_CTRL].value, 0, reg_list[ETM_CTRL].size);
-
- /* clear the ETM powerdown bit (0) */
- etm_ctrl_value &= ~0x1;
-
- /* configure port width (6:4), mode (17:16) and clocking (13) */
- etm_ctrl_value = (etm_ctrl_value &
- ~ETM_PORT_WIDTH_MASK & ~ETM_PORT_MODE_MASK & ~ETM_PORT_CLOCK_MASK)
- | etm_ctx->portmode;
-
- buf_set_u32(reg_list[ETM_CTRL].value, 0, reg_list[ETM_CTRL].size, etm_ctrl_value);
- etm_store_reg(&reg_list[ETM_CTRL]);
-
/* the ETM might have an ETB connected */
if (strcmp(etm_ctx->capture_driver->name, "etb") == 0)
{
@@ -287,13 +271,42 @@ reg_cache_t* etm_build_reg_cache(target_t *target, arm_jtag_t *jtag_info, etm_co
etb->reg_cache = reg_cache->next;
}
- if (etm_ctx->capture_driver->init(etm_ctx) != ERROR_OK)
+
+ return reg_cache;
+}
+
+int etm_setup(target_t *target)
+{
+ int retval;
+ u32 etm_ctrl_value;
+ armv4_5_common_t *armv4_5 = target->arch_info;
+ arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ etm_context_t *etm_ctx = arm7_9->etm_ctx;
+ reg_t *etm_ctrl_reg = &arm7_9->etm_ctx->reg_cache->reg_list[ETM_CTRL];
+ /* initialize some ETM control register settings */
+ etm_get_reg(etm_ctrl_reg);
+ etm_ctrl_value = buf_get_u32(etm_ctrl_reg->value, 0, etm_ctrl_reg->size);
+
+ /* clear the ETM powerdown bit (0) */
+ etm_ctrl_value &= ~0x1;
+
+ /* configure port width (6:4), mode (17:16) and clocking (13) */
+ etm_ctrl_value = (etm_ctrl_value &
+ ~ETM_PORT_WIDTH_MASK & ~ETM_PORT_MODE_MASK & ~ETM_PORT_CLOCK_MASK)
+ | etm_ctx->portmode;
+
+ buf_set_u32(etm_ctrl_reg->value, 0, etm_ctrl_reg->size, etm_ctrl_value);
+ etm_store_reg(etm_ctrl_reg);
+
+ if ((retval=jtag_execute_queue())!=ERROR_OK)
+ return retval;
+
+ if ((retval=etm_ctx->capture_driver->init(etm_ctx)) != ERROR_OK)
{
LOG_ERROR("ETM capture driver initialization failed");
- exit(-1);
+ return retval;
}
-
- return reg_cache;
+ return ERROR_OK;
}
int etm_get_reg(reg_t *reg)
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-04 13:22:39 +0000