- added "arm9tdmi vector_catch ['all'|'none'|'vec1 [vec2 [...]]']" command
authordrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 29 Mar 2007 14:59:36 +0000 (14:59 +0000)
committerdrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 29 Mar 2007 14:59:36 +0000 (14:59 +0000)
- added missing arm926ej-s cp15 patch (thanks Vincent Palatin)

git-svn-id: svn://svn.berlios.de/openocd/trunk@136 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/target/arm926ejs.c
src/target/arm9tdmi.c
src/target/arm9tdmi.h

index 829fb32..78d128d 100644 (file)
@@ -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;
index e3302cf..4a991c1 100644 (file)
@@ -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;
+}
index f888c35..924a6ed 100644 (file)
@@ -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);