#include "target_type.h"
#include "target_request.h"
#include "breakpoints.h"
-#include "time_support.h"
+#include <helper/time_support.h>
#include "register.h"
#include "trace.h"
#include "image.h"
-#include "jtag.h"
+#include <jtag/jtag.h>
-static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv);
-
static int target_array2mem(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv);
static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, Jim_Obj *const *argv);
struct target_event_callback *target_event_callbacks = NULL;
struct target_timer_callback *target_timer_callbacks = NULL;
-const Jim_Nvp nvp_assert[] = {
+static const Jim_Nvp nvp_assert[] = {
{ .name = "assert", NVP_ASSERT },
{ .name = "deassert", NVP_DEASSERT },
{ .name = "T", NVP_ASSERT },
{ .name = NULL, .value = -1 }
};
-const Jim_Nvp nvp_error_target[] = {
+static const Jim_Nvp nvp_error_target[] = {
{ .value = ERROR_TARGET_INVALID, .name = "err-invalid" },
{ .value = ERROR_TARGET_INIT_FAILED, .name = "err-init-failed" },
{ .value = ERROR_TARGET_TIMEOUT, .name = "err-timeout" },
{ .name = NULL, .value = -1 }
};
-const Jim_Nvp nvp_target_state[] = {
+static const Jim_Nvp nvp_target_state[] = {
{ .name = "unknown", .value = TARGET_UNKNOWN },
{ .name = "running", .value = TARGET_RUNNING },
{ .name = "halted", .value = TARGET_HALTED },
{ .name = NULL, .value = -1 },
};
-const Jim_Nvp nvp_target_debug_reason [] = {
+static const Jim_Nvp nvp_target_debug_reason [] = {
{ .name = "debug-request" , .value = DBG_REASON_DBGRQ },
{ .name = "breakpoint" , .value = DBG_REASON_BREAKPOINT },
{ .name = "watchpoint" , .value = DBG_REASON_WATCHPOINT },
{ .name = NULL, .value = -1 },
};
-const Jim_Nvp nvp_target_endian[] = {
+static const Jim_Nvp nvp_target_endian[] = {
{ .name = "big", .value = TARGET_BIG_ENDIAN },
{ .name = "little", .value = TARGET_LITTLE_ENDIAN },
{ .name = "be", .value = TARGET_BIG_ENDIAN },
{ .name = NULL, .value = -1 },
};
-const Jim_Nvp nvp_reset_modes[] = {
+static const Jim_Nvp nvp_reset_modes[] = {
{ .name = "unknown", .value = RESET_UNKNOWN },
{ .name = "run" , .value = RESET_RUN },
{ .name = "halt" , .value = RESET_HALT },
{ .name = NULL , .value = -1 },
};
+const char *debug_reason_name(struct target *t)
+{
+ const char *cp;
+
+ cp = Jim_Nvp_value2name_simple(nvp_target_debug_reason,
+ t->debug_reason)->name;
+ if (!cp) {
+ LOG_ERROR("Invalid debug reason: %d", (int)(t->debug_reason));
+ cp = "(*BUG*unknown*BUG*)";
+ }
+ return cp;
+}
+
const char *
target_state_name( struct target *t )
{
target->examined = false;
}
-
-
-static int default_mrc(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
-{
- LOG_ERROR("Not implemented: %s", __func__);
- return ERROR_FAIL;
-}
-
-static int default_mcr(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
-{
- LOG_ERROR("Not implemented: %s", __func__);
- return ERROR_FAIL;
-}
-
-static int arm_cp_check(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm)
-{
- /* basic check */
- if (!target_was_examined(target))
- {
- LOG_ERROR("Target not examined yet");
- return ERROR_FAIL;
- }
-
- if ((cpnum <0) || (cpnum > 15))
- {
- LOG_ERROR("Illegal co-processor %d", cpnum);
- return ERROR_FAIL;
- }
-
- if (op1 > 7)
- {
- LOG_ERROR("Illegal op1");
- return ERROR_FAIL;
- }
-
- if (op2 > 7)
- {
- LOG_ERROR("Illegal op2");
- return ERROR_FAIL;
- }
-
- if (CRn > 15)
- {
- LOG_ERROR("Illegal CRn");
- return ERROR_FAIL;
- }
-
- if (CRm > 15)
- {
- LOG_ERROR("Illegal CRm");
- return ERROR_FAIL;
- }
-
- return ERROR_OK;
-}
-
-int target_mrc(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
-{
- int retval;
-
- retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
- if (retval != ERROR_OK)
- return retval;
-
- return target->type->mrc(target, cpnum, op1, op2, CRn, CRm, value);
-}
-
-int target_mcr(struct target *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
-{
- int retval;
-
- retval = arm_cp_check(target, cpnum, op1, op2, CRn, CRm);
- if (retval != ERROR_OK)
- return retval;
-
- return target->type->mcr(target, cpnum, op1, op2, CRn, CRm, value);
-}
-
static int
err_read_phys_memory(struct target *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
static int handle_target(void *priv);
-int target_init(struct command_context *cmd_ctx)
+static int target_init_one(struct command_context *cmd_ctx,
+ struct target *target)
{
- struct target *target;
- int retval;
+ target_reset_examined(target);
- for (target = all_targets; target; target = target->next) {
- struct target_type *type = target->type;
+ struct target_type *type = target->type;
+ if (type->examine == NULL)
+ type->examine = default_examine;
- target_reset_examined(target);
- if (target->type->examine == NULL)
- {
- target->type->examine = default_examine;
- }
+ int retval = type->init_target(cmd_ctx, target);
+ if (ERROR_OK != retval)
+ {
+ LOG_ERROR("target '%s' init failed", target_name(target));
+ return retval;
+ }
- if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK)
- {
- LOG_ERROR("target '%s' init failed", target_name(target));
- return retval;
- }
+ /**
+ * @todo get rid of those *memory_imp() methods, now that all
+ * callers are using target_*_memory() accessors ... and make
+ * sure the "physical" paths handle the same issues.
+ */
+ /* a non-invasive way(in terms of patches) to add some code that
+ * runs before the type->write/read_memory implementation
+ */
+ type->write_memory_imp = target->type->write_memory;
+ type->write_memory = target_write_memory_imp;
- /**
- * @todo MCR/MRC are ARM-specific; don't require them in
- * all targets, or for ARMs without coprocessors.
- */
- if (target->type->mcr == NULL)
- {
- target->type->mcr = default_mcr;
- } else
+ type->read_memory_imp = target->type->read_memory;
+ type->read_memory = target_read_memory_imp;
+
+ type->soft_reset_halt_imp = target->type->soft_reset_halt;
+ type->soft_reset_halt = target_soft_reset_halt_imp;
+
+ type->run_algorithm_imp = target->type->run_algorithm;
+ type->run_algorithm = target_run_algorithm_imp;
+
+ /* Sanity-check MMU support ... stub in what we must, to help
+ * implement it in stages, but warn if we need to do so.
+ */
+ if (type->mmu)
+ {
+ if (type->write_phys_memory == NULL)
{
- const struct command_registration mcr_cmd = {
- .name = "mcr",
- .mode = COMMAND_EXEC,
- .jim_handler = &jim_mcrmrc,
- .help = "write coprocessor",
- .usage = "<cpnum> <op1> <op2> <CRn> <CRm> <value>",
- };
- register_command(cmd_ctx, NULL, &mcr_cmd);
+ LOG_ERROR("type '%s' is missing write_phys_memory",
+ type->name);
+ type->write_phys_memory = err_write_phys_memory;
}
-
- if (target->type->mrc == NULL)
+ if (type->read_phys_memory == NULL)
{
- target->type->mrc = default_mrc;
- } else
+ LOG_ERROR("type '%s' is missing read_phys_memory",
+ type->name);
+ type->read_phys_memory = err_read_phys_memory;
+ }
+ if (type->virt2phys == NULL)
{
- const struct command_registration mrc_cmd = {
- .name = "mrc",
- .jim_handler = &jim_mcrmrc,
- .help = "read coprocessor",
- .usage = "<cpnum> <op1> <op2> <CRn> <CRm>",
- };
- register_command(cmd_ctx, NULL, &mrc_cmd);
+ LOG_ERROR("type '%s' is missing virt2phys", type->name);
+ type->virt2phys = identity_virt2phys;
}
-
-
- /**
- * @todo get rid of those *memory_imp() methods, now that all
- * callers are using target_*_memory() accessors ... and make
- * sure the "physical" paths handle the same issues.
- */
-
- /* a non-invasive way(in terms of patches) to add some code that
- * runs before the type->write/read_memory implementation
- */
- target->type->write_memory_imp = target->type->write_memory;
- target->type->write_memory = target_write_memory_imp;
- target->type->read_memory_imp = target->type->read_memory;
- target->type->read_memory = target_read_memory_imp;
- target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
- target->type->soft_reset_halt = target_soft_reset_halt_imp;
- target->type->run_algorithm_imp = target->type->run_algorithm;
- target->type->run_algorithm = target_run_algorithm_imp;
-
- /* Sanity-check MMU support ... stub in what we must, to help
- * implement it in stages, but warn if we need to do so.
- */
- if (type->mmu) {
- if (type->write_phys_memory == NULL) {
- LOG_ERROR("type '%s' is missing %s",
- type->name,
- "write_phys_memory");
- type->write_phys_memory = err_write_phys_memory;
- }
- if (type->read_phys_memory == NULL) {
- LOG_ERROR("type '%s' is missing %s",
- type->name,
- "read_phys_memory");
- type->read_phys_memory = err_read_phys_memory;
- }
- if (type->virt2phys == NULL) {
- LOG_ERROR("type '%s' is missing %s",
- type->name,
- "virt2phys");
- type->virt2phys = identity_virt2phys;
- }
-
+ }
+ else
+ {
/* Make sure no-MMU targets all behave the same: make no
* distinction between physical and virtual addresses, and
* ensure that virt2phys() is always an identity mapping.
*/
- } else {
- if (type->write_phys_memory
- || type->read_phys_memory
- || type->virt2phys)
- LOG_WARNING("type '%s' has broken MMU hooks",
- type->name);
-
- type->mmu = no_mmu;
- type->write_phys_memory = type->write_memory;
- type->read_phys_memory = type->read_memory;
- type->virt2phys = identity_virt2phys;
+ if (type->write_phys_memory || type->read_phys_memory
+ || type->virt2phys)
+ {
+ LOG_WARNING("type '%s' has bad MMU hooks", type->name);
}
+
+ type->mmu = no_mmu;
+ type->write_phys_memory = type->write_memory;
+ type->read_phys_memory = type->read_memory;
+ type->virt2phys = identity_virt2phys;
}
+ return ERROR_OK;
+}
+
+int target_init(struct command_context *cmd_ctx)
+{
+ struct target *target;
+ int retval;
- if (all_targets)
+ for (target = all_targets; target; target = target->next)
{
- if ((retval = target_register_user_commands(cmd_ctx)) != ERROR_OK)
- return retval;
- if ((retval = target_register_timer_callback(&handle_target, 100, 1, cmd_ctx->interp)) != ERROR_OK)
+ retval = target_init_one(cmd_ctx, target);
+ if (ERROR_OK != retval)
return retval;
}
+ if (!all_targets)
+ return ERROR_OK;
+
+ retval = target_register_user_commands(cmd_ctx);
+ if (ERROR_OK != retval)
+ return retval;
+
+ retval = target_register_timer_callback(&handle_target,
+ 100, 1, cmd_ctx->interp);
+ if (ERROR_OK != retval)
+ return retval;
+
return ERROR_OK;
}
+COMMAND_HANDLER(handle_target_init_command)
+{
+ if (CMD_ARGC != 0)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ static bool target_initialized = false;
+ if (target_initialized)
+ {
+ LOG_INFO("'target init' has already been called");
+ return ERROR_OK;
+ }
+ target_initialized = true;
+
+ LOG_DEBUG("Initializing targets...");
+ return target_init(CMD_CTX);
+}
+
int target_register_event_callback(int (*callback)(struct target *target, enum target_event event, void *priv), void *priv)
{
struct target_event_callback **callbacks_p = &target_event_callbacks;
case 2: value_fmt = "%4.2x "; break;
case 1: value_fmt = "%2.2x "; break;
default:
+ /* "can't happen", caller checked */
LOG_ERROR("invalid memory read size: %u", size);
- exit(-1);
+ return;
}
for (unsigned i = 0; i < count; i++)
}
static const struct command_registration target_subcommand_handlers[] = {
+ {
+ .name = "init",
+ .mode = COMMAND_CONFIG,
+ .handler = &handle_target_init_command,
+ .help = "initialize targets",
+ },
{
.name = "create",
.mode = COMMAND_ANY,
return retval;
}
-static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- struct command_context *context;
- struct target *target;
- int retval;
-
- context = Jim_GetAssocData(interp, "context");
- if (context == NULL) {
- LOG_ERROR("array2mem: no command context");
- return JIM_ERR;
- }
- target = get_current_target(context);
- if (target == NULL) {
- LOG_ERROR("array2mem: no current target");
- return JIM_ERR;
- }
-
- if ((argc < 6) || (argc > 7))
- {
- return JIM_ERR;
- }
-
- int cpnum;
- uint32_t op1;
- uint32_t op2;
- uint32_t CRn;
- uint32_t CRm;
- uint32_t value;
-
- int e;
- long l;
- e = Jim_GetLong(interp, argv[1], &l);
- if (e != JIM_OK) {
- return e;
- }
- cpnum = l;
-
- e = Jim_GetLong(interp, argv[2], &l);
- if (e != JIM_OK) {
- return e;
- }
- op1 = l;
-
- e = Jim_GetLong(interp, argv[3], &l);
- if (e != JIM_OK) {
- return e;
- }
- CRn = l;
-
- e = Jim_GetLong(interp, argv[4], &l);
- if (e != JIM_OK) {
- return e;
- }
- CRm = l;
-
- e = Jim_GetLong(interp, argv[5], &l);
- if (e != JIM_OK) {
- return e;
- }
- op2 = l;
-
- value = 0;
-
- if (argc == 7)
- {
- e = Jim_GetLong(interp, argv[6], &l);
- if (e != JIM_OK) {
- return e;
- }
- value = l;
-
- retval = target_mcr(target, cpnum, op1, op2, CRn, CRm, value);
- if (retval != ERROR_OK)
- return JIM_ERR;
- } else
- {
- retval = target_mrc(target, cpnum, op1, op2, CRn, CRm, &value);
- if (retval != ERROR_OK)
- return JIM_ERR;
-
- Jim_SetResult(interp, Jim_NewIntObj(interp, value));
- }
-
- return JIM_OK;
-}
-
static const struct command_registration target_command_handlers[] = {
{
.name = "targets",
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