* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2008 by Spencer Oliver *
+ * spen@spen-soft.co.uk *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
int arm7tdmi_register_commands(struct command_context_s *cmd_ctx);
/* forward declarations */
-int arm7tdmi_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
+
+int arm7tdmi_target_create(struct target_s *target,Jim_Interp *interp);
int arm7tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
-int arm7tdmi_quit();
+int arm7tdmi_quit(void);
/* target function declarations */
int arm7tdmi_poll(struct target_s *target);
.assert_reset = arm7_9_assert_reset,
.deassert_reset = arm7_9_deassert_reset,
.soft_reset_halt = arm7_9_soft_reset_halt,
- .prepare_reset_halt = arm7_9_prepare_reset_halt,
.get_gdb_reg_list = armv4_5_get_gdb_reg_list,
.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_watchpoint = arm7_9_add_watchpoint,
.remove_watchpoint = arm7_9_remove_watchpoint,
- .register_commands = arm7tdmi_register_commands,
- .target_command = arm7tdmi_target_command,
+ .register_commands = arm7tdmi_register_commands,
+ .target_create = arm7tdmi_target_create,
.init_target = arm7tdmi_init_target,
+ .examine = arm7tdmi_examine,
.quit = arm7tdmi_quit
};
arm_jtag_scann(&arm7_9->jtag_info, 0x1);
arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL);
- jtag_add_dr_scan(2, fields, TAP_PD, NULL);
+ jtag_add_dr_scan(2, fields, TAP_PD);
jtag_execute_queue();
fields[0].in_value = NULL;
fields[1].in_value = NULL;
fields[1].out_value = databus;
- jtag_add_dr_scan(2, fields, TAP_PD, NULL);
+ jtag_add_dr_scan(2, fields, TAP_PD);
if (breakpoint & 1)
target->debug_reason = DBG_REASON_WATCHPOINT;
return ERROR_OK;
}
-/* put an instruction in the ARM7TDMI pipeline or write the data bus, and optionally read data */
-int arm7tdmi_clock_out(arm_jtag_t *jtag_info, u32 out, u32 *in, int breakpoint)
+static int arm7tdmi_num_bits[]={1, 32};
+static __inline int arm7tdmi_clock_out_inner(arm_jtag_t *jtag_info, u32 out, int breakpoint)
{
- scan_field_t fields[2];
- u8 out_buf[4];
- u8 breakpoint_buf;
-
- buf_set_u32(out_buf, 0, 32, flip_u32(out, 32));
- buf_set_u32(&breakpoint_buf, 0, 1, breakpoint);
+ u32 values[2]={breakpoint, flip_u32(out, 32)};
+
+ jtag_add_dr_out(jtag_info->chain_pos,
+ 2,
+ arm7tdmi_num_bits,
+ values,
+ -1);
+
+ jtag_add_runtest(0, -1);
+
+ return ERROR_OK;
+}
+/* put an instruction in the ARM7TDMI pipeline or write the data bus, and optionally read data */
+static __inline int arm7tdmi_clock_out(arm_jtag_t *jtag_info, u32 out, u32 *deprecated, int breakpoint)
+{
jtag_add_end_state(TAP_PD);
arm_jtag_scann(jtag_info, 0x1);
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL);
- fields[0].device = jtag_info->chain_pos;
- fields[0].num_bits = 1;
- fields[0].out_value = &breakpoint_buf;
- fields[0].out_mask = NULL;
- fields[0].in_value = NULL;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
-
- fields[1].device = jtag_info->chain_pos;
- fields[1].num_bits = 32;
- fields[1].out_value = out_buf;
- fields[1].out_mask = NULL;
- fields[1].in_value = NULL;
- if (in)
- {
- fields[1].in_handler = arm_jtag_buf_to_u32_flip;
- fields[1].in_handler_priv = in;
- }
- else
- {
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
- }
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
-
- jtag_add_dr_scan(2, fields, -1, NULL);
-
- jtag_add_runtest(0, -1);
-
-#ifdef _DEBUG_INSTRUCTION_EXECUTION_
-{
- jtag_execute_queue();
-
- if (in)
- {
- DEBUG("out: 0x%8.8x, in: 0x%8.8x", out, *in);
- }
- else
- DEBUG("out: 0x%8.8x", out);
-}
-#endif
-
- return ERROR_OK;
+ return arm7tdmi_clock_out_inner(jtag_info, out, breakpoint);
}
/* clock the target, reading the databus */
fields[1].in_check_value = NULL;
fields[1].in_check_mask = NULL;
- jtag_add_dr_scan(2, fields, -1, NULL);
+ jtag_add_dr_scan(2, fields, -1);
jtag_add_runtest(0, -1);
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
fields[1].in_check_value = NULL;
fields[1].in_check_mask = NULL;
- jtag_add_dr_scan(2, fields, -1, NULL);
+ jtag_add_dr_scan(2, fields, -1);
jtag_add_runtest(0, -1);
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
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 */
arm7tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr & 0xff, 0, 1, spsr), NULL, 0);
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 */
arm7tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr_im, rot, 1, spsr), NULL, 0);
arm7tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 0), NULL, 0);
/* fetch NOP, LDM in DECODE stage */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
/* fetch NOP, LDM in EXECUTE stage (1st cycle) */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
for (i = 0; i <= 15; i++)
{
if (mask & (1 << i))
/* nothing fetched, LDM still in EXECUTE (1+i cycle) */
- arm7tdmi_clock_out(jtag_info, core_regs[i], NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, core_regs[i], 0);
}
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
}
*/
arm7tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, 0x8000, 0, 0), NULL, 0);
/* fetch NOP, LDM in DECODE stage */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
/* fetch NOP, LDM in EXECUTE stage (1st cycle) */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
/* nothing fetched, LDM in EXECUTE stage (1st cycle) load register */
- arm7tdmi_clock_out(jtag_info, pc, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, pc, 0);
/* nothing fetched, LDM in EXECUTE stage (2nd cycle) load register */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
/* nothing fetched, LDM in EXECUTE stage (3rd cycle) load register */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
/* fetch NOP, LDM in EXECUTE stage (4th cycle) */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
/* fetch NOP, LDM in EXECUTE stage (5th cycle) */
- arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_NOP, 0);
}
void arm7tdmi_branch_resume(target_t *target)
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
arm7tdmi_clock_out(jtag_info, ARMV4_5_NOP, NULL, 1);
- arm7tdmi_clock_out(jtag_info, ARMV4_5_B(0xfffffa, 0), NULL, 0);
+ arm7tdmi_clock_out_inner(jtag_info, ARMV4_5_B(0xfffffa, 0), 0);
}
void arm7tdmi_branch_resume_thumb(target_t *target)
{
- DEBUG("-");
+ LOG_DEBUG("-");
/* get pointers to arch-specific information */
armv4_5_common_t *armv4_5 = target->arch_info;
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;
-
+}
+
+int arm7tdmi_examine(struct target_s *target)
+{
+ 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 ((retval=arm7_9_setup(target))!=ERROR_OK)
+ return retval;
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;
+ if ((retval=etm_setup(target))!=ERROR_OK)
+ return retval;
}
+ return ERROR_OK;
}
int arm7tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
}
-int arm7tdmi_quit()
+int arm7tdmi_quit(void)
{
return ERROR_OK;
}
-int arm7tdmi_init_arch_info(target_t *target, arm7tdmi_common_t *arm7tdmi, int chain_pos, char *variant)
+int arm7tdmi_init_arch_info(target_t *target, arm7tdmi_common_t *arm7tdmi, int chain_pos, const char *variant)
{
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
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 = 2;
arm7_9->arch_info = arm7tdmi;
return ERROR_OK;
}
-/* target arm7tdmi <endianess> <startup_mode> <chain_pos> <variant> */
-int arm7tdmi_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target)
-{
- int chain_pos;
- char *variant = NULL;
- arm7tdmi_common_t *arm7tdmi = malloc(sizeof(arm7tdmi_common_t));
- if (argc < 4)
- {
- ERROR("'target arm7tdmi' requires at least one additional argument");
- exit(-1);
- }
-
- chain_pos = strtoul(args[3], NULL, 0);
+
+int arm7tdmi_target_create( struct target_s *target, Jim_Interp *interp )
+{
+ arm7tdmi_common_t *arm7tdmi;
- if (argc >= 5)
- variant = args[4];
+ arm7tdmi = calloc(1,sizeof(arm7tdmi_common_t));
- arm7tdmi_init_arch_info(target, arm7tdmi, chain_pos, variant);
+ arm7tdmi_init_arch_info(target, arm7tdmi, target->chain_position, target->variant);
return ERROR_OK;
}
+
int arm7tdmi_register_commands(struct command_context_s *cmd_ctx)
{
int retval;
return ERROR_OK;
}
-
projects / fw / openocd / blobdiff