#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
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(register_commands),
ARM11_HANDLER(target_command),
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 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->simulate_reset_on_next_halt = false;
- DEBUG("Reset c1 Control Register");
+ LOG_DEBUG("Reset c1 Control Register");
/* Write 0 (reset value) to Control register 0 to disable MMU/Cache etc. */
}
-
-
arm11_run_instr_data_finish(arm11);
arm11_dump_reg_changes(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);
}
}
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", target_state_strings[target->state]);
if (target->state == TARGET_UNKNOWN)
{
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)
{
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", target_state_strings[target->state]);
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("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;
}
arm11_sc7_run(arm11, brp, asizeof(brp));
- DEBUG("Add BP %zd 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", target_state_strings[target->state]);
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 */
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} */
R(PC) += 4;
arm11->reg_list[ARM11_RC_PC].valid = 1;
arm11->reg_list[ARM11_RC_PC].dirty = 0;
- INFO("Skipping WFI");
+ 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))
FNC_INFO;
#if 0
- DEBUG("target->state: %s", target_state_strings[target->state]);
+ LOG_DEBUG("target->state: %s", target_state_strings[target->state]);
/* 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);
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;
{
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;
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);
{
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);
}
#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;
}
if (argc < 4)
{
- ERROR("'target arm11' 4th argument <jtag chain pos>");
+ LOG_ERROR("'target arm11' 4th argument <jtag chain pos>");
exit(-1);
}
if (device->ir_length != 5)
{
- ERROR("'target arm11' expects 'jtag_device 5 0x01 0x1F 0x1E'");
+ LOG_ERROR("'target arm11' expects 'jtag_device 5 0x01 0x1F 0x1E'");
exit(-1);
}
}
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 command_context_s *cmd_ctx, struct target_s *target)
{
FNC_INFO;
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****");
+ LOG_ERROR("'target arm11' expects IDCODE 0x*7B*7****");
exit(-1);
}
}
if (arm11->debug_version != ARM11_DEBUG_V6 &&
arm11->debug_version != ARM11_DEBUG_V61)
{
- ERROR("Only ARMv6 v6 and v6.1 architectures supported.");
+ LOG_ERROR("Only ARMv6 v6 and v6.1 architectures supported.");
exit(-1);
}
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);
if (target->state != TARGET_HALTED)
{
+ LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
ARM11_REGCACHE_COUNT != asizeof(arm11_reg_defs) ||
ARM11_REGCACHE_COUNT != ARM11_RC_MAX)
{
- ERROR("arm11->reg_values inconsistent (%d %zd %zd %d)", ARM11_REGCACHE_COUNT, asizeof(arm11->reg_values), asizeof(arm11_reg_defs), ARM11_RC_MAX);
+ LOG_ERROR("arm11->reg_values inconsistent (%d " ZU " " ZU " %d)", ARM11_REGCACHE_COUNT, asizeof(arm11->reg_values), asizeof(arm11_reg_defs), ARM11_RC_MAX);
exit(-1);
}
{
if (argc == 0)
{
- INFO("%s is %s.", name, *var ? "enabled" : "disabled");
+ LOG_INFO("%s is %s.", name, *var ? "enabled" : "disabled");
return ERROR_OK;
}
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 = targets; t; t = t->next)
+ {
+ if (t->type != &arm11_target)
+ 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",
+ 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;
projects / fw / openocd / blobdiff