Duane Ellis: "target as an [tcl] object" feature.
[openocd.git] / src / target / arm9tdmi.c
index ccd30312d253af77b7d817cf9620d8d64621f1a3..dcb35dabb88d93a3acc12e41f88ed9e73309eb4d 100644 (file)
@@ -28,6 +28,8 @@
 #include "target.h"
 #include "armv4_5.h"
 #include "embeddedice.h"
+#include "etm.h"
+#include "etb.h"
 #include "log.h"
 #include "jtag.h"
 #include "arm_jtag.h"
 
 /* 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);
+int arm9tdmi_target_create( struct target_s *target, Jim_Interp *interp );
+
 int arm9tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
-int arm9tdmi_quit();
+int arm9tdmi_quit(void);
                
 target_type_t arm9tdmi_target =
 {
@@ -54,6 +58,8 @@ target_type_t arm9tdmi_target =
        .poll = arm7_9_poll,
        .arch_state = armv4_5_arch_state,
 
+       .target_request_data = arm7_9_target_request_data,
+
        .halt = arm7_9_halt,
        .resume = arm7_9_resume,
        .step = arm7_9_step,
@@ -67,7 +73,9 @@ target_type_t arm9tdmi_target =
        .read_memory = arm7_9_read_memory,
        .write_memory = arm7_9_write_memory,
        .bulk_write_memory = arm7_9_bulk_write_memory,
-
+       .checksum_memory = arm7_9_checksum_memory,
+       .blank_check_memory = arm7_9_blank_check_memory,
+       
        .run_algorithm = armv4_5_run_algorithm,
        
        .add_breakpoint = arm7_9_add_breakpoint,
@@ -76,11 +84,25 @@ target_type_t arm9tdmi_target =
        .remove_watchpoint = arm7_9_remove_watchpoint,
 
        .register_commands = arm9tdmi_register_commands,
-       .target_command = arm9tdmi_target_command,
+       .target_create = arm9tdmi_target_create,
        .init_target = arm9tdmi_init_target,
+       .examine = arm9tdmi_examine,
        .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 */
@@ -129,7 +151,7 @@ int arm9tdmi_examine_debug_reason(target_t *target)
                fields[2].in_handler_priv = NULL;
                
                arm_jtag_scann(&arm7_9->jtag_info, 0x1);
-               arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr);
+               arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL);
 
                jtag_add_dr_scan(3, fields, TAP_PD);
                jtag_execute_queue();
@@ -173,7 +195,8 @@ int arm9tdmi_clock_out(arm_jtag_t *jtag_info, u32 instr, u32 out, u32 *in, int s
        
        jtag_add_end_state(TAP_PD);
        arm_jtag_scann(jtag_info, 0x1);
-       arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
+       
+       arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
                
        fields[0].device = jtag_info->chain_pos;
        fields[0].num_bits = 32;
@@ -223,10 +246,10 @@ int arm9tdmi_clock_out(arm_jtag_t *jtag_info, u32 instr, u32 out, u32 *in, int s
                
                if (in)
                {
-                       DEBUG("instr: 0x%8.8x, out: 0x%8.8x, in: 0x%8.8x", instr, out, *in);
+                       LOG_DEBUG("instr: 0x%8.8x, out: 0x%8.8x, in: 0x%8.8x", instr, out, *in);
                }
                else
-                       DEBUG("instr: 0x%8.8x, out: 0x%8.8x", instr, out);
+                       LOG_DEBUG("instr: 0x%8.8x, out: 0x%8.8x", instr, out);
        }
 #endif
 
@@ -240,7 +263,8 @@ int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
 
        jtag_add_end_state(TAP_PD);
        arm_jtag_scann(jtag_info, 0x1);
-       arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
+       
+       arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
                
        fields[0].device = jtag_info->chain_pos;
        fields[0].num_bits = 32;
@@ -282,11 +306,11 @@ int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
                        
                if (in)
                {
-                       DEBUG("in: 0x%8.8x", *in);
+                       LOG_DEBUG("in: 0x%8.8x", *in);
                }
                else
                {
-                       ERROR("BUG: called with in == NULL");
+                       LOG_ERROR("BUG: called with in == NULL");
                }
        }
 #endif
@@ -301,10 +325,11 @@ int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
 int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, int be)
 {
        scan_field_t fields[3];
-
+       
        jtag_add_end_state(TAP_PD);
        arm_jtag_scann(jtag_info, 0x1);
-       arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
+       
+       arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
                
        fields[0].device = jtag_info->chain_pos;
        fields[0].num_bits = 32;
@@ -357,11 +382,11 @@ int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size,
                        
                if (in)
                {
-                       DEBUG("in: 0x%8.8x", *in);
+                       LOG_DEBUG("in: 0x%8.8x", *(u32*)in);
                }
                else
                {
-                       ERROR("BUG: called with in == NULL");
+                       LOG_ERROR("BUG: called with in == NULL");
                }
        }
 #endif
@@ -521,7 +546,7 @@ void arm9tdmi_write_xpsr(target_t *target, u32 xpsr, int spsr)
        arm7_9_common_t *arm7_9 = armv4_5->arch_info;
        arm_jtag_t *jtag_info = &arm7_9->jtag_info;
                
-       DEBUG("xpsr: %8.8x, spsr: %i", xpsr, spsr);
+       LOG_DEBUG("xpsr: %8.8x, spsr: %i", xpsr, spsr);
 
        /* MSR1 fetched */
        arm9tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr & 0xff, 0, 1, spsr), 0, NULL, 0);
@@ -557,7 +582,7 @@ void arm9tdmi_write_xpsr_im8(target_t *target, u8 xpsr_im, int rot, int spsr)
        arm7_9_common_t *arm7_9 = armv4_5->arch_info;
        arm_jtag_t *jtag_info = &arm7_9->jtag_info;
                
-       DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
+       LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
        
        /* MSR fetched */
        arm9tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr_im, rot, 1, spsr), 0, NULL, 0);
@@ -722,7 +747,7 @@ void arm9tdmi_branch_resume(target_t *target)
 
 void arm9tdmi_branch_resume_thumb(target_t *target)
 {
-       DEBUG("");
+       LOG_DEBUG("-");
        
        /* get pointers to arch-specific information */
        armv4_5_common_t *armv4_5 = target->arch_info;
@@ -786,9 +811,8 @@ void arm9tdmi_enable_single_step(target_t *target)
        /* 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;
-       arm9tdmi_common_t *arm9 = arm7_9->arch_info;
        
-       if (arm9->has_single_step)
+       if (arm7_9->has_single_step)
        {
                buf_set_u32(arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].value, 3, 1, 1);
                embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]);
@@ -804,9 +828,8 @@ void arm9tdmi_disable_single_step(target_t *target)
        /* 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;
-       arm9tdmi_common_t *arm9 = arm7_9->arch_info;
        
-       if (arm9->has_single_step)
+       if (arm7_9->has_single_step)
        {
                buf_set_u32(arm7_9->eice_cache->reg_list[EICE_DBG_CTRL].value, 3, 1, 0);
                embeddedice_store_reg(&arm7_9->eice_cache->reg_list[EICE_DBG_CTRL]);
@@ -822,36 +845,47 @@ 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;
-       arm9tdmi_common_t *arm9tdmi = arm7_9->arch_info;
-
-       embeddedice_reg_t *vec_catch_arch_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, jtag_info, 1);
-       arm7_9->eice_cache = (*cache_p)->next;
-       
-       if (arm9tdmi->has_monitor_mode)
-               (*cache_p)->next->reg_list[EICE_DBG_CTRL].size = 6;
-       else
-               (*cache_p)->next->reg_list[EICE_DBG_CTRL].size = 4;
-       
-       (*cache_p)->next->reg_list[EICE_DBG_STAT].size = 5;
+}
+
 
-       (*cache_p)->next->reg_list[EICE_VEC_CATCH].name = "vector catch";
-       (*cache_p)->next->reg_list[EICE_VEC_CATCH].dirty = 0;
-       (*cache_p)->next->reg_list[EICE_VEC_CATCH].valid = 0;
-       (*cache_p)->next->reg_list[EICE_VEC_CATCH].bitfield_desc = NULL;
-       (*cache_p)->next->reg_list[EICE_VEC_CATCH].num_bitfields = 0;
-       (*cache_p)->next->reg_list[EICE_VEC_CATCH].size = 8;
-       (*cache_p)->next->reg_list[EICE_VEC_CATCH].value = calloc(1, 4);
-       vec_catch_arch_info = (*cache_p)->next->reg_list[EICE_VEC_CATCH].arch_info;
-       vec_catch_arch_info->addr = 0x2;
+int arm9tdmi_examine(struct target_s *target)
+{
+       /* 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 ((retval=arm7_9_setup(target))!=ERROR_OK)
+               return retval;
+       if (arm7_9->etm_ctx)
+       {
+               if ((retval=etm_setup(target))!=ERROR_OK)
+                       return retval;
+       }
+       return ERROR_OK;
 }
 
 int arm9tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
@@ -863,13 +897,13 @@ int arm9tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *tar
        
 }
 
-int arm9tdmi_quit()
+int arm9tdmi_quit(void)
 {
        
        return ERROR_OK;
 }
 
-int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, int chain_pos, char *variant)
+int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, int chain_pos, const char *variant)
 {
        armv4_5_common_t *armv4_5;
        arm7_9_common_t *arm7_9;
@@ -914,59 +948,72 @@ int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, int c
        arm7_9->post_restore_context = NULL;
 
        /* initialize arch-specific breakpoint handling */
-       buf_set_u32((u8*)(&arm7_9->arm_bkpt), 0, 32, 0xdeeedeee);
-       buf_set_u32((u8*)(&arm7_9->thumb_bkpt), 0, 16, 0xdeee);
+       arm7_9->arm_bkpt = 0xdeeedeee;
+       arm7_9->thumb_bkpt = 0xdeee;
        
-       arm7_9->sw_bkpts_use_wp = 1;
-       arm7_9->sw_bkpts_enabled = 0;
        arm7_9->dbgreq_adjust_pc = 3;
        arm7_9->arch_info = arm9tdmi;
        
        arm9tdmi->common_magic = ARM9TDMI_COMMON_MAGIC;
-       arm9tdmi->has_monitor_mode = 0;
-       arm9tdmi->has_single_step = 0;
        arm9tdmi->arch_info = NULL;
 
        if (variant)
        {
-               if (strcmp(variant, "arm920t") == 0)
-                       arm9tdmi->has_single_step = 1;
-               else if (strcmp(variant, "arm922t") == 0)
-                       arm9tdmi->has_single_step = 1;
-               else if (strcmp(variant, "arm940t") == 0)
-                       arm9tdmi->has_single_step = 1;
                arm9tdmi->variant = strdup(variant);
        }
        else
+       {
                arm9tdmi->variant = strdup("");
+       }
        
        arm7_9_init_arch_info(target, arm7_9);
 
        /* override use of DBGRQ, this is safe on ARM9TDMI */
        arm7_9->use_dbgrq = 1;
+
+       /* all ARM9s have the vector catch register */
+       arm7_9->has_vector_catch = 1;
        
        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)
+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)
 {
-       int chain_pos;
-       char *variant = NULL;
-       arm9tdmi_common_t *arm9tdmi = malloc(sizeof(arm9tdmi_common_t));
-
-       if (argc < 4)
+       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)
        {
-               ERROR("'target arm9tdmi' requires at least one additional argument");
-               exit(-1);
+               return -1;
        }
        
-       chain_pos = strtoul(args[3], NULL, 0);
+       arm7_9 = armv4_5->arch_info;
+       if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC)
+       {
+               return -1;
+       }
        
-       if (argc >= 5)
-               variant = args[4];
+       arm9tdmi = arm7_9->arch_info;
+       if (arm9tdmi->common_magic != ARM9TDMI_COMMON_MAGIC)
+       {
+               return -1;
+       }
        
-       arm9tdmi_init_arch_info(target, arm9tdmi, chain_pos, variant);
+       *armv4_5_p = armv4_5;
+       *arm7_9_p = arm7_9;
+       *arm9tdmi_p = arm9tdmi;
+       
+       return ERROR_OK;
+}
+
+
+
+int arm9tdmi_target_create(struct target_s *target, Jim_Interp *interp)
+{
+       arm9tdmi_common_t *arm9tdmi = calloc(1,sizeof(arm9tdmi_common_t));
+
+       arm9tdmi_init_arch_info(target, arm9tdmi, target->chain_position, target->variant);
        
        return ERROR_OK;
 }
@@ -975,9 +1022,106 @@ 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;
+}
+
+
+
+/*
+ * Local Variables: ***
+ * c-basic-offset: 4 ***
+ * tab-width: 4 ***
+ * End: ***
+ */

Linking to existing account procedure

If you already have an account and want to add another login method you MUST first sign in with your existing account and then change URL to read https://review.openocd.org/login/?link to get to this page again but this time it'll work for linking. Thank you.

SSH host keys fingerprints

1024 SHA256:YKx8b7u5ZWdcbp7/4AeXNaqElP49m6QrwfXaqQGJAOk gerrit-code-review@openocd.zylin.com (DSA)
384 SHA256:jHIbSQa4REvwCFG4cq5LBlBLxmxSqelQPem/EXIrxjk gerrit-code-review@openocd.org (ECDSA)
521 SHA256:UAOPYkU9Fjtcao0Ul/Rrlnj/OsQvt+pgdYSZ4jOYdgs gerrit-code-review@openocd.org (ECDSA)
256 SHA256:A13M5QlnozFOvTllybRZH6vm7iSt0XLxbA48yfc2yfY gerrit-code-review@openocd.org (ECDSA)
256 SHA256:spYMBqEYoAOtK7yZBrcwE8ZpYt6b68Cfh9yEVetvbXg gerrit-code-review@openocd.org (ED25519)
+--[ED25519 256]--+
|=..              |
|+o..   .         |
|*.o   . .        |
|+B . . .         |
|Bo. = o S        |
|Oo.+ + =         |
|oB=.* = . o      |
| =+=.+   + E     |
|. .=o   . o      |
+----[SHA256]-----+
2048 SHA256:0Onrb7/PHjpo6iVZ7xQX2riKN83FJ3KGU0TvI0TaFG4 gerrit-code-review@openocd.zylin.com (RSA)