- 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

3 files changed, 166 insertions, 9 deletions

diff --git a/src/target/arm926ejs.c b/src/target/arm926ejs.c
index 829fb32..78d128d 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 e3302cf..4a991c1 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 f888c35..924a6ed 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);