/***************************************************************************
* Copyright (C) 2008 digenius technology GmbH. *
* *
+ * Copyright (C) 2008 Oyvind Harboe oyvind.harboe@zylin.com *
+ * *
+ * Copyright (C) 2008 Georg Acher <acher@in.tum.de> *
+ * *
* 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 *
#if 0
-#define FNC_INFO DEBUG("-")
+#define FNC_INFO LOG_DEBUG("-")
#else
#define FNC_INFO
#endif
#if 1
-#define FNC_INFO_NOTIMPLEMENTED do { DEBUG("NOT IMPLEMENTED"); /*exit(-1);*/ } while (0)
+#define FNC_INFO_NOTIMPLEMENTED do { LOG_DEBUG("NOT IMPLEMENTED"); /*exit(-1);*/ } while (0)
#else
#define FNC_INFO_NOTIMPLEMENTED
#endif
static void arm11_on_enter_debug_state(arm11_common_t * arm11);
-int arm11_config_memwrite_burst = 1;
-int arm11_config_memwrite_error_fatal = 1;
+bool arm11_config_memwrite_burst = true;
+bool arm11_config_memwrite_error_fatal = true;
u32 arm11_vcr = 0;
ARM11_HANDLER(assert_reset),
ARM11_HANDLER(deassert_reset),
ARM11_HANDLER(soft_reset_halt),
- ARM11_HANDLER(prepare_reset_halt),
-
+
ARM11_HANDLER(get_gdb_reg_list),
-
+
ARM11_HANDLER(read_memory),
ARM11_HANDLER(write_memory),
-
+
ARM11_HANDLER(bulk_write_memory),
-
+
ARM11_HANDLER(checksum_memory),
ARM11_HANDLER(add_breakpoint),
ARM11_HANDLER(remove_watchpoint),
ARM11_HANDLER(run_algorithm),
-
+
ARM11_HANDLER(register_commands),
- ARM11_HANDLER(target_command),
+ ARM11_HANDLER(target_create),
ARM11_HANDLER(init_target),
+ ARM11_HANDLER(examine),
ARM11_HANDLER(quit),
};
ARM11_RC_WDTR,
ARM11_RC_RDTR,
-
ARM11_RC_MAX,
};
if (!(*dscr & ARM11_DSCR_MODE_SELECT))
{
- DEBUG("Bringing target into debug mode");
+ LOG_DEBUG("Bringing target into debug mode");
*dscr |= ARM11_DSCR_MODE_SELECT; /* Halt debug-mode */
arm11_write_DSCR(arm11, *dscr);
/* add further reset initialization here */
+ arm11->simulate_reset_on_next_halt = true;
+
if (*dscr & ARM11_DSCR_CORE_HALTED)
{
+ /** \todo TODO: this needs further scrutiny because
+ * arm11_on_enter_debug_state() never gets properly called
+ */
+
arm11->target->state = TARGET_HALTED;
arm11->target->debug_reason = arm11_get_DSCR_debug_reason(*dscr);
}
u32 new_dscr = R(DSCR) | ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE;
- /* this executes JTAG queue: */
+ /* this executes JTAG queue: */
arm11_write_DSCR(arm11, new_dscr);
-// jtag_execute_queue();
-
-
-
-// DEBUG("SAVE DSCR %08x", R(DSCR));
-
-// if (R(DSCR) & ARM11_DSCR_WDTR_FULL)
-// DEBUG("SAVE wDTR %08x", R(WDTR));
-
/* From the spec:
Before executing any instruction in debug state you have to drain the write buffer.
/* mcr 15, 0, r0, cr7, cr10, {4} */
arm11_run_instr_no_data1(arm11, 0xee070f9a);
-
+
u32 dscr = arm11_read_DSCR(arm11);
- DEBUG("DRAIN, DSCR %08x", dscr);
+ LOG_DEBUG("DRAIN, DSCR %08x", dscr);
if (dscr & ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT)
{
dscr = arm11_read_DSCR(arm11);
- DEBUG("DRAIN, DSCR %08x (DONE)", dscr);
+ LOG_DEBUG("DRAIN, DSCR %08x (DONE)", dscr);
break;
}
arm11->reg_values[ARM11_RC_PC] -= 8;
}
-// DEBUG("SAVE PC %08x", R(PC));
+ if (arm11->simulate_reset_on_next_halt)
+ {
+ arm11->simulate_reset_on_next_halt = false;
+
+ LOG_DEBUG("Reset c1 Control Register");
+
+ /* Write 0 (reset value) to Control register 0 to disable MMU/Cache etc. */
+
+ /* MCR p15,0,R0,c1,c0,0 */
+ arm11_run_instr_data_to_core_via_r0(arm11, 0xee010f10, 0);
+
+ }
arm11_run_instr_data_finish(arm11);
if (!arm11->reg_list[i].valid)
{
if (arm11->reg_history[i].valid)
- INFO("%8s INVALID (%08x)", arm11_reg_defs[i].name, arm11->reg_history[i].value);
+ LOG_INFO("%8s INVALID (%08x)", arm11_reg_defs[i].name, arm11->reg_history[i].value);
}
else
{
if (arm11->reg_history[i].valid)
{
if (arm11->reg_history[i].value != arm11->reg_values[i])
- INFO("%8s %08x (%08x)", arm11_reg_defs[i].name, arm11->reg_values[i], arm11->reg_history[i].value);
+ LOG_INFO("%8s %08x (%08x)", arm11_reg_defs[i].name, arm11->reg_values[i], arm11->reg_history[i].value);
}
else
{
- INFO("%8s %08x (INVALID)", arm11_reg_defs[i].name, arm11->reg_values[i]);
+ LOG_INFO("%8s %08x (INVALID)", arm11_reg_defs[i].name, arm11->reg_values[i]);
}
}
}}
/* MRC p14,0,r?,c0,c5,0 */
arm11_run_instr_data_to_core1(arm11, 0xee100e15 | (i << 12), R(RX + i));
-// DEBUG("RESTORE R%d %08x", i, R(RX + i));
+// LOG_DEBUG("RESTORE R" ZU " %08x", i, R(RX + i));
}}
arm11_run_instr_data_finish(arm11);
if (DSCR & (ARM11_DSCR_RDTR_FULL | ARM11_DSCR_WDTR_FULL))
{
- ERROR("wDTR/rDTR inconsistent (DSCR %08x)", DSCR);
+ LOG_ERROR("wDTR/rDTR inconsistent (DSCR %08x)", DSCR);
}
}
/* restore rDTR */
-
+
if (R(DSCR) & ARM11_DSCR_RDTR_FULL || arm11->reg_list[ARM11_RC_RDTR].dirty)
{
arm11_add_debug_SCAN_N(arm11, 0x05, -1);
u32 dscr = arm11_read_DSCR(arm11);
- DEBUG("DSCR %08x", dscr);
+ LOG_DEBUG("DSCR %08x", dscr);
arm11_check_init(arm11, &dscr);
{
enum target_state old_state = target->state;
- DEBUG("enter TARGET_HALTED");
+ LOG_DEBUG("enter TARGET_HALTED");
target->state = TARGET_HALTED;
target->debug_reason = arm11_get_DSCR_debug_reason(dscr);
arm11_on_enter_debug_state(arm11);
{
if (target->state != TARGET_RUNNING && target->state != TARGET_DEBUG_RUNNING)
{
- DEBUG("enter TARGET_RUNNING");
+ LOG_DEBUG("enter TARGET_RUNNING");
target->state = TARGET_RUNNING;
target->debug_reason = DBG_REASON_NOTHALTED;
}
arm11_common_t * arm11 = target->arch_info;
- DEBUG("target->state: %s", target_state_strings[target->state]);
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+
+ if (target->state == TARGET_UNKNOWN)
+ {
+ arm11->simulate_reset_on_next_halt = true;
+ }
if (target->state == TARGET_HALTED)
{
- WARNING("target was already halted");
- return ERROR_TARGET_ALREADY_HALTED;
+ LOG_DEBUG("target was already halted");
+ return ERROR_OK;
}
if (arm11->trst_active)
{
- arm11->halt_requested = 1;
+ arm11->halt_requested = true;
return ERROR_OK;
}
{
FNC_INFO;
-// DEBUG("current %d address %08x handle_breakpoints %d debug_execution %d",
+// LOG_DEBUG("current %d address %08x handle_breakpoints %d debug_execution %d",
// current, address, handle_breakpoints, debug_execution);
arm11_common_t * arm11 = target->arch_info;
- DEBUG("target->state: %s", target_state_strings[target->state]);
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+
if (target->state != TARGET_HALTED)
- {
- WARNING("target was not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
+ {
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
if (!current)
R(PC) = address;
- INFO("RESUME PC %08x", R(PC));
+ LOG_INFO("RESUME PC %08x%s", R(PC), !current ? "!" : "");
/* clear breakpoints/watchpoints and VCR*/
arm11_sc7_clear_vbw(arm11);
{
if (bp->address == R(PC))
{
- DEBUG("must step over %08x", bp->address);
+ LOG_DEBUG("must step over %08x", bp->address);
arm11_step(target, 1, 0, 0);
break;
}
/* set all breakpoints */
size_t brp_num = 0;
-
+
for (bp = target->breakpoints; bp; bp = bp->next)
{
arm11_sc7_action_t brp[2];
brp[1].write = 1;
brp[1].address = ARM11_SC7_BCR0 + brp_num;
brp[1].value = 0x1 | (3 << 1) | (0x0F << 5) | (0 << 14) | (0 << 16) | (0 << 20) | (0 << 21);
-
+
arm11_sc7_run(arm11, brp, asizeof(brp));
- DEBUG("Add BP %d at %08x", brp_num, bp->address);
+ LOG_DEBUG("Add BP " ZU " at %08x", brp_num, bp->address);
brp_num++;
}
{
u32 dscr = arm11_read_DSCR(arm11);
- DEBUG("DSCR %08x", dscr);
+ LOG_DEBUG("DSCR %08x", dscr);
if (dscr & ARM11_DSCR_CORE_RESTARTED)
break;
{
FNC_INFO;
- DEBUG("target->state: %s", target_state_strings[target->state]);
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
if (target->state != TARGET_HALTED)
{
- WARNING("target was not halted");
+ LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
if (!current)
R(PC) = address;
- INFO("STEP PC %08x", R(PC));
+ LOG_INFO("STEP PC %08x%s", R(PC), !current ? "!" : "");
/** \todo TODO: Thumb not supported here */
arm11_read_memory_word(arm11, R(PC), &next_instruction);
- /** skip over BKPT */
+ /* skip over BKPT */
if ((next_instruction & 0xFFF00070) == 0xe1200070)
{
R(PC) += 4;
arm11->reg_list[ARM11_RC_PC].valid = 1;
arm11->reg_list[ARM11_RC_PC].dirty = 0;
- INFO("Skipping BKPT");
+ LOG_INFO("Skipping BKPT");
+ }
+ /* skip over Wait for interrupt / Standby */
+ /* mcr 15, 0, r?, cr7, cr0, {4} */
+ else if ((next_instruction & 0xFFFF0FFF) == 0xee070f90)
+ {
+ R(PC) += 4;
+ arm11->reg_list[ARM11_RC_PC].valid = 1;
+ arm11->reg_list[ARM11_RC_PC].dirty = 0;
+ LOG_INFO("Skipping WFI");
}
/* ignore B to self */
else if ((next_instruction & 0xFEFFFFFF) == 0xeafffffe)
{
- INFO("Not stepping jump to self");
+ LOG_INFO("Not stepping jump to self");
}
else
{
{
u32 dscr = arm11_read_DSCR(arm11);
- DEBUG("DSCR %08x", dscr);
+ LOG_DEBUG("DSCR %08x", dscr);
if ((dscr & (ARM11_DSCR_CORE_RESTARTED | ARM11_DSCR_CORE_HALTED)) ==
(ARM11_DSCR_CORE_RESTARTED | ARM11_DSCR_CORE_HALTED))
jtag_add_sleep(5000);
arm11_common_t * arm11 = target->arch_info;
- arm11->trst_active = 1;
+ arm11->trst_active = true;
#endif
+ if (target->reset_halt)
+ {
+ int retval;
+ if ((retval = target_halt(target))!=ERROR_OK)
+ return retval;
+ }
+
return ERROR_OK;
}
FNC_INFO;
#if 0
- DEBUG("target->state: %s", target_state_strings[target->state]);
+ LOG_DEBUG("target->state: %s",
+ Jim_Nvp_value2name_simple( nvp_target_state, target->state )->name );
+
/* deassert reset lines */
jtag_add_reset(0, 0);
return ERROR_OK;
}
-int arm11_prepare_reset_halt(struct target_s *target)
-{
- FNC_INFO_NOTIMPLEMENTED;
-
- return ERROR_OK;
-}
/* target register access for gdb */
arm11_common_t * arm11 = target->arch_info;
- if (target->state != TARGET_HALTED)
- {
- return ERROR_TARGET_NOT_HALTED;
- }
-
*reg_list_size = ARM11_GDB_REGISTER_COUNT;
*reg_list = malloc(sizeof(reg_t*) * ARM11_GDB_REGISTER_COUNT);
}
-/* target memory access
+/* target memory access
* size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit)
* count: number of items of <size>
*/
FNC_INFO;
- DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target was not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ LOG_DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
arm11_common_t * arm11 = target->arch_info;
/** \todo TODO: check if dirty is the right choice to force a rewrite on arm11_resume() */
arm11->reg_list[ARM11_RC_R1].dirty = 1;
- while (count--)
+ {size_t i;
+ for (i = 0; i < count; i++)
{
/* ldrb r1, [r0], #1 */
arm11_run_instr_no_data1(arm11, 0xe4d01001);
arm11_run_instr_data_from_core(arm11, 0xEE001E15, &res, 1);
*buffer++ = res;
- }
+ }}
+
break;
case 2:
u16 * buf16 = (u16*)buffer;
- while (count--)
+ {size_t i;
+ for (i = 0; i < count; i++)
{
/* ldrh r1, [r0], #2 */
arm11_run_instr_no_data1(arm11, 0xe0d010b2);
arm11_run_instr_data_from_core(arm11, 0xEE001E15, &res, 1);
*buf16++ = res;
- }
+ }}
+
break;
}
{
FNC_INFO;
- DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target was not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ LOG_DEBUG("ADDR %08x SIZE %08x COUNT %08x", address, size, count);
arm11_common_t * arm11 = target->arch_info;
switch (size)
{
case 1:
+ {
arm11->reg_list[ARM11_RC_R1].dirty = 1;
- while (count--)
+ {size_t i;
+ for (i = 0; i < count; i++)
{
/* MRC p14,0,r1,c0,c5,0 */
arm11_run_instr_data_to_core1(arm11, 0xee101e15, *buffer++);
/* strb r1, [r0], #1 */
arm11_run_instr_no_data1(arm11, 0xe4c01001);
- }
+ }}
+
break;
+ }
case 2:
{
u16 * buf16 = (u16*)buffer;
- while (count--)
+ {size_t i;
+ for (i = 0; i < count; i++)
{
/* MRC p14,0,r1,c0,c5,0 */
arm11_run_instr_data_to_core1(arm11, 0xee101e15, *buf16++);
/* strh r1, [r0], #2 */
arm11_run_instr_no_data1(arm11, 0xe0c010b2);
- }
+ }}
+
break;
}
if (address + size * count != r0)
{
- ERROR("Data transfer failed. (%d)", (r0 - address) - size * count);
+ LOG_ERROR("Data transfer failed. (%d)", (r0 - address) - size * count);
if (arm11_config_memwrite_burst)
- ERROR("use 'arm11 memwrite burst disable' to disable fast burst mode");
+ LOG_ERROR("use 'arm11 memwrite burst disable' to disable fast burst mode");
if (arm11_config_memwrite_error_fatal)
- exit(-1);
+ return ERROR_FAIL;
}
}
#endif
{
FNC_INFO;
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target was not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
return arm11_write_memory(target, address, 4, count, buffer);
}
}
-/* target break-/watchpoint control
+/* target break-/watchpoint control
* rw: 0 = write, 1 = read, 2 = access
*/
int arm11_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
#if 0
if (breakpoint->type == BKPT_SOFT)
{
- INFO("sw breakpoint requested, but software breakpoints not enabled");
+ LOG_INFO("sw breakpoint requested, but software breakpoints not enabled");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
#endif
if (!arm11->free_brps)
{
- INFO("no breakpoint unit available for hardware breakpoint");
+ LOG_INFO("no breakpoint unit available for hardware breakpoint");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
if (breakpoint->length != 4)
{
- INFO("only breakpoints of four bytes length supported");
+ LOG_INFO("only breakpoints of four bytes length supported");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
FNC_INFO;
arm11_common_t * arm11 = target->arch_info;
-
+
arm11->free_brps++;
return ERROR_OK;
return ERROR_OK;
}
-
+// HACKHACKHACK - FIXME mode/state
/* target algorithm support */
-int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
+int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params,
+ int num_reg_params, reg_param_t *reg_params, u32 entry_point, u32 exit_point,
+ int timeout_ms, void *arch_info)
{
- FNC_INFO_NOTIMPLEMENTED;
+ arm11_common_t *arm11 = target->arch_info;
+ armv4_5_algorithm_t *arm11_algorithm_info = arch_info;
+// enum armv4_5_state core_state = arm11->core_state;
+// enum armv4_5_mode core_mode = arm11->core_mode;
+ u32 context[16];
+ u32 cpsr;
+ int exit_breakpoint_size = 0;
+ int i;
+ int retval = ERROR_OK;
+ LOG_DEBUG("Running algorithm");
+
+ if (arm11_algorithm_info->common_magic != ARMV4_5_COMMON_MAGIC)
+ {
+ LOG_ERROR("current target isn't an ARMV4/5 target");
+ return ERROR_TARGET_INVALID;
+ }
- return ERROR_OK;
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ // FIXME
+// if (armv4_5_mode_to_number(arm11->core_mode)==-1)
+// return ERROR_FAIL;
+
+ // Save regs
+ for (i = 0; i < 16; i++)
+ {
+ context[i] = buf_get_u32((u8*)(&arm11->reg_values[i]),0,32);
+ LOG_DEBUG("Save %i: 0x%x",i,context[i]);
+ }
+
+ cpsr = buf_get_u32((u8*)(arm11->reg_values+ARM11_RC_CPSR),0,32);
+ LOG_DEBUG("Save CPSR: 0x%x",i,cpsr);
+
+ for (i = 0; i < num_mem_params; i++)
+ {
+ target_write_buffer(target, mem_params[i].address, mem_params[i].size, mem_params[i].value);
+ }
+
+ // Set register parameters
+ for (i = 0; i < num_reg_params; i++)
+ {
+ reg_t *reg = register_get_by_name(arm11->core_cache, reg_params[i].reg_name, 0);
+ u32 val;
+ if (!reg)
+ {
+ LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
+ exit(-1);
+ }
+
+ if (reg->size != reg_params[i].size)
+ {
+ LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name);
+ exit(-1);
+ }
+ arm11_set_reg(reg,reg_params[i].value);
+// printf("%i: Set %s =%08x\n", i, reg_params[i].reg_name,val);
+ }
+
+ exit_breakpoint_size = 4;
+
+/* arm11->core_state = arm11_algorithm_info->core_state;
+ if (arm11->core_state == ARMV4_5_STATE_ARM)
+ exit_breakpoint_size = 4;
+ else if (arm11->core_state == ARMV4_5_STATE_THUMB)
+ exit_breakpoint_size = 2;
+ else
+ {
+ LOG_ERROR("BUG: can't execute algorithms when not in ARM or Thumb state");
+ exit(-1);
+ }
+*/
+ if (arm11_algorithm_info->core_mode != ARMV4_5_MODE_ANY)
+ {
+ LOG_DEBUG("setting core_mode: 0x%2.2x", arm11_algorithm_info->core_mode);
+ buf_set_u32(arm11->reg_list[ARM11_RC_CPSR].value, 0, 5, arm11_algorithm_info->core_mode);
+ arm11->reg_list[ARM11_RC_CPSR].dirty = 1;
+ arm11->reg_list[ARM11_RC_CPSR].valid = 1;
+ }
+
+ if ((retval = breakpoint_add(target, exit_point, exit_breakpoint_size, BKPT_HARD)) != ERROR_OK)
+ {
+ LOG_ERROR("can't add breakpoint to finish algorithm execution");
+ retval = ERROR_TARGET_FAILURE;
+ goto restore;
+ }
+
+ target_resume(target, 0, entry_point, 1, 0); // no debug, otherwise breakpoint is not set
+
+ target_wait_state(target, TARGET_HALTED, timeout_ms);
+ if (target->state != TARGET_HALTED)
+ {
+ if ((retval=target_halt(target))!=ERROR_OK)
+ return retval;
+ if ((retval=target_wait_state(target, TARGET_HALTED, 500))!=ERROR_OK)
+ {
+ return retval;
+ }
+ retval = ERROR_TARGET_TIMEOUT;
+ goto del_breakpoint;
+ }
+
+ if (buf_get_u32(arm11->reg_list[15].value, 0, 32) != exit_point)
+ {
+ LOG_WARNING("target reentered debug state, but not at the desired exit point: 0x%4.4x",
+ buf_get_u32(arm11->reg_list[15].value, 0, 32));
+ retval = ERROR_TARGET_TIMEOUT;
+ goto del_breakpoint;
+ }
+
+ for (i = 0; i < num_mem_params; i++)
+ {
+ if (mem_params[i].direction != PARAM_OUT)
+ target_read_buffer(target, mem_params[i].address, mem_params[i].size, mem_params[i].value);
+ }
+
+ for (i = 0; i < num_reg_params; i++)
+ {
+ if (reg_params[i].direction != PARAM_OUT)
+ {
+ reg_t *reg = register_get_by_name(arm11->core_cache, reg_params[i].reg_name, 0);
+ if (!reg)
+ {
+ LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
+ exit(-1);
+ }
+
+ if (reg->size != reg_params[i].size)
+ {
+ LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size", reg_params[i].reg_name);
+ exit(-1);
+ }
+
+ buf_set_u32(reg_params[i].value, 0, 32, buf_get_u32(reg->value, 0, 32));
+ }
+ }
+
+del_breakpoint:
+ breakpoint_remove(target, exit_point);
+
+restore:
+ // Restore context
+ for (i = 0; i < 16; i++)
+ {
+ LOG_DEBUG("restoring register %s with value 0x%8.8x",
+ arm11->reg_list[i].name, context[i]);
+ arm11_set_reg(&arm11->reg_list[i], &context[i]);
+ }
+ LOG_DEBUG("restoring CPSR with value 0x%8.8x", cpsr);
+ arm11_set_reg(&arm11->reg_list[ARM11_RC_CPSR], &cpsr);
+
+// arm11->core_state = core_state;
+// arm11->core_mode = core_mode;
+
+ return retval;
}
-int arm11_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target)
+int arm11_target_create(struct target_s *target, Jim_Interp *interp)
{
FNC_INFO;
- if (argc < 4)
- {
- ERROR("'target arm11' 4th argument <jtag chain pos>");
- exit(-1);
- }
-
- int chain_pos = strtoul(args[3], NULL, 0);
-
NEW(arm11_common_t, arm11, 1);
arm11->target = target;
/* prepare JTAG information for the new target */
- arm11->jtag_info.chain_pos = chain_pos;
+ arm11->jtag_info.chain_pos = target->chain_position;
arm11->jtag_info.scann_size = 5;
arm_jtag_setup_connection(&arm11->jtag_info);
- jtag_device_t *device = jtag_get_device(chain_pos);
+ jtag_device_t *device = jtag_get_device(target->chain_position);
if (device->ir_length != 5)
{
- ERROR("'target arm11' expects 'jtag_device 5 0x01 0x1F 0x1E'");
- exit(-1);
+ LOG_ERROR("'target arm11' expects 'jtag_device 5 0x01 0x1F 0x1E'");
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
target->arch_info = arm11;
}
int arm11_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
+{
+ /* Initialize anything we can set up without talking to the target */
+ return ERROR_OK;
+}
+
+/* talk to the target and set things up */
+int arm11_examine(struct target_s *target)
{
FNC_INFO;
+ int retval;
arm11_common_t * arm11 = target->arch_info;
arm11_add_dr_scan_vc(asizeof(chain0_fields), chain0_fields, TAP_RTI);
- jtag_execute_queue();
+ if ((retval=jtag_execute_queue())!=ERROR_OK)
+ return retval;
switch (arm11->device_id & 0x0FFFF000)
{
- case 0x07B36000: INFO("found ARM1136"); break;
- case 0x07B56000: INFO("found ARM1156"); break;
- case 0x07B76000: INFO("found ARM1176"); break;
+ case 0x07B36000: LOG_INFO("found ARM1136"); break;
+ case 0x07B56000: LOG_INFO("found ARM1156"); break;
+ case 0x07B76000: LOG_INFO("found ARM1176"); break;
default:
{
- ERROR("'target arm11' expects IDCODE 0x*7B*7****");
- exit(-1);
+ LOG_ERROR("'target arm11' expects IDCODE 0x*7B*7****");
+ return ERROR_FAIL;
}
}
if (arm11->debug_version != ARM11_DEBUG_V6 &&
arm11->debug_version != ARM11_DEBUG_V61)
{
- ERROR("Only ARMv6 v6 and v6.1 architectures supported.");
- exit(-1);
+ LOG_ERROR("Only ARMv6 v6 and v6.1 architectures supported.");
+ return ERROR_FAIL;
}
arm11->free_brps = arm11->brp;
arm11->free_wrps = arm11->wrp;
- DEBUG("IDCODE %08x IMPLEMENTOR %02x DIDR %08x",
+ LOG_DEBUG("IDCODE %08x IMPLEMENTOR %02x DIDR %08x",
arm11->device_id,
arm11->implementor,
arm11->didr);
arm11_check_init(arm11, NULL);
+ target->type->examined = 1;
+
return ERROR_OK;
}
if (target->state != TARGET_HALTED)
{
+ LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
NEW(arm11_reg_state_t, arm11_reg_states, ARM11_REGCACHE_COUNT);
if (arm11_regs_arch_type == -1)
- arm11_regs_arch_type = register_reg_arch_type(arm11_get_reg, arm11_set_reg);
+ arm11_regs_arch_type = register_reg_arch_type(arm11_get_reg, arm11_set_reg);
+
+ register_init_dummy(&arm11_gdb_dummy_fp_reg);
+ register_init_dummy(&arm11_gdb_dummy_fps_reg);
arm11->reg_list = reg_list;
- /* Build the process context cache */
+ /* Build the process context cache */
cache->name = "arm11 registers";
cache->next = NULL;
cache->reg_list = reg_list;
reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
(*cache_p) = cache;
-// armv7m->core_cache = cache;
+ arm11->core_cache = cache;
// armv7m->process_context = cache;
size_t i;
ARM11_REGCACHE_COUNT != asizeof(arm11_reg_defs) ||
ARM11_REGCACHE_COUNT != ARM11_RC_MAX)
{
- ERROR("arm11->reg_values inconsistent (%d %d %d %d)", ARM11_REGCACHE_COUNT, asizeof(arm11->reg_values), asizeof(arm11_reg_defs), ARM11_RC_MAX);
+ LOG_ERROR("BUG: arm11->reg_values inconsistent (%d " ZU " " ZU " %d)", ARM11_REGCACHE_COUNT, asizeof(arm11->reg_values), asizeof(arm11_reg_defs), ARM11_RC_MAX);
exit(-1);
}
-int arm11_handle_bool(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, int * var, char * name)
+int arm11_handle_bool(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, bool * var, char * name)
{
if (argc == 0)
{
- INFO("%s is %s.", name, *var ? "enabled" : "disabled");
+ LOG_INFO("%s is %s.", name, *var ? "enabled" : "disabled");
return ERROR_OK;
}
case 'F':
case 'd': /* disable */
case 'D':
- *var = 0;
+ *var = false;
break;
case '1': /* 1 */
case 'T':
case 'e': /* enable */
case 'E':
- *var = 1;
+ *var = true;
break;
}
- INFO("%s %s.", *var ? "Enabled" : "Disabled", name);
+ LOG_INFO("%s %s.", *var ? "Enabled" : "Disabled", name);
return ERROR_OK;
}
return ERROR_COMMAND_SYNTAX_ERROR;
}
- INFO("VCR 0x%08X", arm11_vcr);
+ LOG_INFO("VCR 0x%08X", arm11_vcr);
return ERROR_OK;
}
+const u32 arm11_coproc_instruction_limits[] =
+{
+ 15, /* coprocessor */
+ 7, /* opcode 1 */
+ 15, /* CRn */
+ 15, /* CRm */
+ 7, /* opcode 2 */
+ 0xFFFFFFFF, /* value */
+};
+
+const char arm11_mrc_syntax[] = "Syntax: mrc <jtag_target> <coprocessor> <opcode 1> <CRn> <CRm> <opcode 2>. All parameters are numbers only.";
+const char arm11_mcr_syntax[] = "Syntax: mcr <jtag_target> <coprocessor> <opcode 1> <CRn> <CRm> <opcode 2> <32bit value to write>. All parameters are numbers only.";
+
+
+arm11_common_t * arm11_find_target(const char * arg)
+{
+ size_t jtag_target = strtoul(arg, NULL, 0);
+
+ {target_t * t;
+ for (t = all_targets; t; t = t->next)
+ {
+ if (strcmp(t->type->name,"arm11"))
+ continue;
+
+ arm11_common_t * arm11 = t->arch_info;
+
+ if (arm11->jtag_info.chain_pos != jtag_target)
+ continue;
+
+ return arm11;
+ }}
+
+ return 0;
+}
+
+int arm11_handle_mrc_mcr(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, bool read)
+{
+ if (argc != (read ? 6 : 7))
+ {
+ LOG_ERROR("Invalid number of arguments. %s", read ? arm11_mrc_syntax : arm11_mcr_syntax);
+ return -1;
+ }
+
+ arm11_common_t * arm11 = arm11_find_target(args[0]);
+
+ if (!arm11)
+ {
+ LOG_ERROR("Parameter 1 is not a the JTAG chain position of an ARM11 device. %s",
+ read ? arm11_mrc_syntax : arm11_mcr_syntax);
+
+ return -1;
+
+ }
+
+ if (arm11->target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target was not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+
+ u32 values[6];
+
+ {size_t i;
+ for (i = 0; i < (read ? 5 : 6); i++)
+ {
+ values[i] = strtoul(args[i + 1], NULL, 0);
+
+ if (values[i] > arm11_coproc_instruction_limits[i])
+ {
+ LOG_ERROR("Parameter %ld out of bounds (%d max). %s",
+ (long)(i + 2), arm11_coproc_instruction_limits[i],
+ read ? arm11_mrc_syntax : arm11_mcr_syntax);
+ return -1;
+ }
+ }}
+
+ u32 instr = 0xEE000010 |
+ (values[0] << 8) |
+ (values[1] << 21) |
+ (values[2] << 16) |
+ (values[3] << 0) |
+ (values[4] << 5);
+
+ if (read)
+ instr |= 0x00100000;
+
+
+ arm11_run_instr_data_prepare(arm11);
+
+ if (read)
+ {
+ u32 result;
+ arm11_run_instr_data_from_core_via_r0(arm11, instr, &result);
+
+ LOG_INFO("MRC p%d, %d, R0, c%d, c%d, %d = 0x%08x (%d)",
+ values[0], values[1], values[2], values[3], values[4], result, result);
+ }
+ else
+ {
+ arm11_run_instr_data_to_core_via_r0(arm11, instr, values[5]);
+
+ LOG_INFO("MRC p%d, %d, R0 (#0x%08x), c%d, c%d, %d",
+ values[0], values[1],
+ values[5],
+ values[2], values[3], values[4]);
+ }
+
+ arm11_run_instr_data_finish(arm11);
+
+
+ return ERROR_OK;
+}
+
+int arm11_handle_mrc(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ return arm11_handle_mrc_mcr(cmd_ctx, cmd, args, argc, true);
+}
+
+int arm11_handle_mcr(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ return arm11_handle_mrc_mcr(cmd_ctx, cmd, args, argc, false);
+}
int arm11_register_commands(struct command_context_s *cmd_ctx)
{
RC_FINAL( "vcr", "Control (Interrupt) Vector Catch Register",
arm11_handle_vcr)
+
+ RC_FINAL( "mrc", "Read Coprocessor register",
+ arm11_handle_mrc)
+
+ RC_FINAL( "mcr", "Write Coprocessor register",
+ arm11_handle_mcr)
)
return ERROR_OK;