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authordrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2007-03-29 14:59:36 +0000
committerdrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2007-03-29 14:59:36 +0000
commit5f548150a451964ca5cc302b3a1dd86ea5ef5f6f (patch)
tree1b975e06785f9046126aa404af547a2b8f8ced75 /src
parent4a5f45e87d593d6911da680cb92ffbc9b43c9486 (diff)
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- added "arm9tdmi vector_catch ['all'|'none'|'vec1 [vec2 [...]]']" command
- added missing arm926ej-s cp15 patch (thanks Vincent Palatin) git-svn-id: svn://svn.berlios.de/openocd/trunk@136 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src')
-rw-r--r--src/target/arm926ejs.c24
-rw-r--r--src/target/arm9tdmi.c133
-rw-r--r--src/target/arm9tdmi.h18
3 files changed, 166 insertions, 9 deletions
diff --git a/src/target/arm926ejs.c b/src/target/arm926ejs.c
index 829fb328..78d128de 100644
--- a/src/target/arm926ejs.c
+++ b/src/target/arm926ejs.c
@@ -701,10 +701,21 @@ int arm926ejs_handle_cp15_command(struct command_context_s *cmd_ctx, char *cmd,
arm7_9_common_t *arm7_9;
arm9tdmi_common_t *arm9tdmi;
arm926ejs_common_t *arm926ejs;
- int opcode_1 = strtoul(args[0], NULL, 0);
- int opcode_2 = strtoul(args[1], NULL, 0);
- int CRn = strtoul(args[2], NULL, 0);
- int CRm = strtoul(args[3], NULL, 0);
+ int opcode_1;
+ int opcode_2;
+ int CRn;
+ int CRm;
+
+ if ((argc < 4) || (argc > 5))
+ {
+ command_print(cmd_ctx, "usage: arm926ejs cp15 <opcode_1> <opcode_2> <CRn> <CRm> [value]");
+ return ERROR_OK;
+ }
+
+ opcode_1 = strtoul(args[0], NULL, 0);
+ opcode_2 = strtoul(args[1], NULL, 0);
+ CRn = strtoul(args[2], NULL, 0);
+ CRm = strtoul(args[3], NULL, 0);
if (arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs) != ERROR_OK)
{
@@ -718,11 +729,6 @@ int arm926ejs_handle_cp15_command(struct command_context_s *cmd_ctx, char *cmd,
return ERROR_OK;
}
- if ((argc < 4) || (argc > 5))
- {
- command_print(cmd_ctx, "usage: arm926ejs cp15 <opcode_1> <opcode_2> <CRn> <CRm> [value]");
- }
-
if (argc == 4)
{
u32 value;
diff --git a/src/target/arm9tdmi.c b/src/target/arm9tdmi.c
index e3302cf6..4a991c10 100644
--- a/src/target/arm9tdmi.c
+++ b/src/target/arm9tdmi.c
@@ -43,6 +43,7 @@
/* cli handling */
int arm9tdmi_register_commands(struct command_context_s *cmd_ctx);
+int handle_arm9tdmi_catch_vectors_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/* forward declarations */
int arm9tdmi_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
@@ -83,6 +84,19 @@ target_type_t arm9tdmi_target =
.quit = arm9tdmi_quit
};
+arm9tdmi_vector_t arm9tdmi_vectors[] =
+{
+ {"reset", ARM9TDMI_RESET_VECTOR},
+ {"undef", ARM9TDMI_UNDEF_VECTOR},
+ {"swi", ARM9TDMI_SWI_VECTOR},
+ {"pabt", ARM9TDMI_PABT_VECTOR},
+ {"dabt", ARM9TDMI_DABT_VECTOR},
+ {"reserved", ARM9TDMI_RESERVED_VECTOR},
+ {"irq", ARM9TDMI_IRQ_VECTOR},
+ {"fiq", ARM9TDMI_FIQ_VECTOR},
+ {0, 0},
+};
+
int arm9tdmi_examine_debug_reason(target_t *target)
{
/* get pointers to arch-specific information */
@@ -936,6 +950,37 @@ int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, int c
return ERROR_OK;
}
+int arm9tdmi_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, arm7_9_common_t **arm7_9_p, arm9tdmi_common_t **arm9tdmi_p)
+{
+ armv4_5_common_t *armv4_5 = target->arch_info;
+ arm7_9_common_t *arm7_9;
+ arm9tdmi_common_t *arm9tdmi;
+
+ if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
+ {
+ return -1;
+ }
+
+ arm7_9 = armv4_5->arch_info;
+ if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC)
+ {
+ return -1;
+ }
+
+ arm9tdmi = arm7_9->arch_info;
+ if (arm9tdmi->common_magic != ARM9TDMI_COMMON_MAGIC)
+ {
+ return -1;
+ }
+
+ *armv4_5_p = armv4_5;
+ *arm7_9_p = arm7_9;
+ *arm9tdmi_p = arm9tdmi;
+
+ return ERROR_OK;
+}
+
+
/* target arm9tdmi <endianess> <startup_mode> <chain_pos> <variant>*/
int arm9tdmi_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target)
{
@@ -963,9 +1008,97 @@ int arm9tdmi_register_commands(struct command_context_s *cmd_ctx)
{
int retval;
+ command_t *arm9tdmi_cmd;
+
+
retval = arm7_9_register_commands(cmd_ctx);
+ arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9tdmi", NULL, COMMAND_ANY, "arm9tdmi specific commands");
+
+ register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch", handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC, "catch arm920t vectors ['all'|'none'|'<vec1,vec2,...>']");
+
+
return ERROR_OK;
}
+int handle_arm9tdmi_catch_vectors_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+ armv4_5_common_t *armv4_5;
+ arm7_9_common_t *arm7_9;
+ arm9tdmi_common_t *arm9tdmi;
+ reg_t *vector_catch;
+ u32 vector_catch_value;
+ int i, j;
+
+ if (arm9tdmi_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi) != ERROR_OK)
+ {
+ command_print(cmd_ctx, "current target isn't an ARM9TDMI based target");
+ return ERROR_OK;
+ }
+
+ vector_catch = &arm7_9->eice_cache->reg_list[EICE_VEC_CATCH];
+
+ /* read the vector catch register if necessary */
+ if (!vector_catch->valid)
+ embeddedice_read_reg(vector_catch);
+
+ /* get the current setting */
+ vector_catch_value = buf_get_u32(vector_catch->value, 0, 32);
+
+ if (argc > 0)
+ {
+ vector_catch_value = 0x0;
+ if (strcmp(args[0], "all") == 0)
+ {
+ vector_catch_value = 0xdf;
+ }
+ else if (strcmp(args[0], "none") == 0)
+ {
+ /* do nothing */
+ }
+ else
+ {
+ for (i = 0; i < argc; i++)
+ {
+ /* go through list of vectors */
+ for(j = 0; arm9tdmi_vectors[j].name; j++)
+ {
+ if (strcmp(args[i], arm9tdmi_vectors[j].name) == 0)
+ {
+ vector_catch_value |= arm9tdmi_vectors[j].value;
+ break;
+ }
+ }
+
+ /* complain if vector wasn't found */
+ if (!arm9tdmi_vectors[j].name)
+ {
+ command_print(cmd_ctx, "vector '%s' not found, leaving current setting unchanged", args[i]);
+
+ /* reread current setting */
+ vector_catch_value = buf_get_u32(vector_catch->value, 0, 32);
+
+ break;
+ }
+ }
+ }
+
+ /* store new settings */
+ buf_set_u32(vector_catch->value, 0, 32, vector_catch_value);
+ embeddedice_store_reg(vector_catch);
+ }
+
+ /* output current settings (skip RESERVED vector) */
+ for (i = 0; i < 8; i++)
+ {
+ if (i != 5)
+ {
+ command_print(cmd_ctx, "%s: %s", arm9tdmi_vectors[i].name,
+ (vector_catch_value & (1 << i)) ? "catch" : "don't catch");
+ }
+ }
+
+ return ERROR_OK;
+}
diff --git a/src/target/arm9tdmi.h b/src/target/arm9tdmi.h
index f888c355..924a6ed6 100644
--- a/src/target/arm9tdmi.h
+++ b/src/target/arm9tdmi.h
@@ -37,6 +37,24 @@ typedef struct arm9tdmi_common_s
arm7_9_common_t arm7_9_common;
} arm9tdmi_common_t;
+typedef struct arm9tdmi_vector_s
+{
+ char *name;
+ u32 value;
+} arm9tdmi_vector_t;
+
+enum arm9tdmi_vector
+{
+ ARM9TDMI_RESET_VECTOR = 0x01,
+ ARM9TDMI_UNDEF_VECTOR = 0x02,
+ ARM9TDMI_SWI_VECTOR = 0x04,
+ ARM9TDMI_PABT_VECTOR = 0x08,
+ ARM9TDMI_DABT_VECTOR = 0x10,
+ ARM9TDMI_RESERVED_VECTOR = 0x20,
+ ARM9TDMI_IRQ_VECTOR = 0x40,
+ ARM9TDMI_FIQ_VECTOR = 0x80,
+};
+
extern int arm9tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
extern int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, int chain_pos, char *variant);
extern int arm9tdmi_register_commands(struct command_context_s *cmd_ctx);