#include "config.h"
#endif
+#include "jtag/interface.h"
#include "jtag/jtag.h"
#include "jtag/hla/hla_transport.h"
#include "jtag/hla/hla_interface.h"
#include "cortex_m.h"
#include "arm_semihosting.h"
#include "target_request.h"
+#include <rtt/rtt.h>
#define savedDCRDR dbgbase /* FIXME: using target->dbgbase to preserve DCRDR */
}
static int adapter_load_core_reg_u32(struct target *target,
- uint32_t num, uint32_t *value)
+ uint32_t regsel, uint32_t *value)
{
- int retval;
struct hl_interface_s *adapter = target_to_adapter(target);
-
- LOG_DEBUG("%s", __func__);
-
- /* NOTE: we "know" here that the register identifiers used
- * in the v7m header match the Cortex-M3 Debug Core Register
- * Selector values for R0..R15, xPSR, MSP, and PSP.
- */
- switch (num) {
- case 0 ... 18:
- /* read a normal core register */
- retval = adapter->layout->api->read_reg(adapter->handle, num, value);
-
- if (retval != ERROR_OK) {
- LOG_ERROR("JTAG failure %i", retval);
- return ERROR_JTAG_DEVICE_ERROR;
- }
- LOG_DEBUG("load from core reg %i value 0x%" PRIx32 "", (int)num, *value);
- break;
-
- case ARMV7M_FPSCR:
- /* Floating-point Status and Registers */
- retval = target_write_u32(target, ARMV7M_SCS_DCRSR, 33);
- if (retval != ERROR_OK)
- return retval;
- retval = target_read_u32(target, ARMV7M_SCS_DCRDR, value);
- if (retval != ERROR_OK)
- return retval;
- LOG_DEBUG("load from FPSCR value 0x%" PRIx32, *value);
- break;
-
- case ARMV7M_S0 ... ARMV7M_S31:
- /* Floating-point Status and Registers */
- retval = target_write_u32(target, ARMV7M_SCS_DCRSR, num-ARMV7M_S0+64);
- if (retval != ERROR_OK)
- return retval;
- retval = target_read_u32(target, ARMV7M_SCS_DCRDR, value);
- if (retval != ERROR_OK)
- return retval;
- LOG_DEBUG("load from FPU reg S%d value 0x%" PRIx32,
- (int)(num - ARMV7M_S0), *value);
- break;
-
- case ARMV7M_PRIMASK:
- case ARMV7M_BASEPRI:
- case ARMV7M_FAULTMASK:
- case ARMV7M_CONTROL:
- /* Cortex-M3 packages these four registers as bitfields
- * in one Debug Core register. So say r0 and r2 docs;
- * it was removed from r1 docs, but still works.
- */
- retval = adapter->layout->api->read_reg(adapter->handle, 20, value);
- if (retval != ERROR_OK)
- return retval;
-
- switch (num) {
- case ARMV7M_PRIMASK:
- *value = buf_get_u32((uint8_t *) value, 0, 1);
- break;
-
- case ARMV7M_BASEPRI:
- *value = buf_get_u32((uint8_t *) value, 8, 8);
- break;
-
- case ARMV7M_FAULTMASK:
- *value = buf_get_u32((uint8_t *) value, 16, 1);
- break;
-
- case ARMV7M_CONTROL:
- *value = buf_get_u32((uint8_t *) value, 24, 2);
- break;
- }
-
- LOG_DEBUG("load from special reg %i value 0x%" PRIx32 "",
- (int)num, *value);
- break;
-
- default:
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- return ERROR_OK;
+ return adapter->layout->api->read_reg(adapter->handle, regsel, value);
}
static int adapter_store_core_reg_u32(struct target *target,
- uint32_t num, uint32_t value)
+ uint32_t regsel, uint32_t value)
{
- int retval;
- uint32_t reg;
- struct armv7m_common *armv7m = target_to_armv7m(target);
struct hl_interface_s *adapter = target_to_adapter(target);
-
- LOG_DEBUG("%s", __func__);
-
- /* NOTE: we "know" here that the register identifiers used
- * in the v7m header match the Cortex-M3 Debug Core Register
- * Selector values for R0..R15, xPSR, MSP, and PSP.
- */
- switch (num) {
- case 0 ... 18:
- retval = adapter->layout->api->write_reg(adapter->handle, num, value);
-
- if (retval != ERROR_OK) {
- struct reg *r;
-
- LOG_ERROR("JTAG failure");
- r = armv7m->arm.core_cache->reg_list + num;
- r->dirty = r->valid;
- return ERROR_JTAG_DEVICE_ERROR;
- }
- LOG_DEBUG("write core reg %i value 0x%" PRIx32 "", (int)num, value);
- break;
-
- case ARMV7M_FPSCR:
- /* Floating-point Status and Registers */
- retval = target_write_u32(target, ARMV7M_SCS_DCRDR, value);
- if (retval != ERROR_OK)
- return retval;
- retval = target_write_u32(target, ARMV7M_SCS_DCRSR, 33 | (1<<16));
- if (retval != ERROR_OK)
- return retval;
- LOG_DEBUG("write FPSCR value 0x%" PRIx32, value);
- break;
-
- case ARMV7M_S0 ... ARMV7M_S31:
- /* Floating-point Status and Registers */
- retval = target_write_u32(target, ARMV7M_SCS_DCRDR, value);
- if (retval != ERROR_OK)
- return retval;
- retval = target_write_u32(target, ARMV7M_SCS_DCRSR, (num-ARMV7M_S0+64) | (1<<16));
- if (retval != ERROR_OK)
- return retval;
- LOG_DEBUG("write FPU reg S%d value 0x%" PRIx32,
- (int)(num - ARMV7M_S0), value);
- break;
-
- case ARMV7M_PRIMASK:
- case ARMV7M_BASEPRI:
- case ARMV7M_FAULTMASK:
- case ARMV7M_CONTROL:
- /* Cortex-M3 packages these four registers as bitfields
- * in one Debug Core register. So say r0 and r2 docs;
- * it was removed from r1 docs, but still works.
- */
-
- adapter->layout->api->read_reg(adapter->handle, 20, ®);
-
- switch (num) {
- case ARMV7M_PRIMASK:
- buf_set_u32((uint8_t *) ®, 0, 1, value);
- break;
-
- case ARMV7M_BASEPRI:
- buf_set_u32((uint8_t *) ®, 8, 8, value);
- break;
-
- case ARMV7M_FAULTMASK:
- buf_set_u32((uint8_t *) ®, 16, 1, value);
- break;
-
- case ARMV7M_CONTROL:
- buf_set_u32((uint8_t *) ®, 24, 2, value);
- break;
- }
-
- adapter->layout->api->write_reg(adapter->handle, 20, reg);
-
- LOG_DEBUG("write special reg %i value 0x%" PRIx32 " ", (int)num, value);
- break;
-
- default:
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- return ERROR_OK;
+ return adapter->layout->api->write_reg(adapter->handle, regsel, value);
}
static int adapter_examine_debug_reason(struct target *target)
arm->map = armv7m_msp_reg_map;
} else {
unsigned control = buf_get_u32(arm->core_cache
- ->reg_list[ARMV7M_CONTROL].value, 0, 2);
+ ->reg_list[ARMV7M_CONTROL].value, 0, 3);
/* is this thread privileged? */
arm->core_mode = control & 1
return ERROR_OK;
}
-static int adapter_assert_reset(struct target *target)
+static int hl_assert_reset(struct target *target)
{
int res = ERROR_OK;
struct hl_interface_s *adapter = target_to_adapter(target);
if ((jtag_reset_config & RESET_HAS_SRST) &&
(jtag_reset_config & RESET_SRST_NO_GATING)) {
- jtag_add_reset(0, 1);
- res = adapter->layout->api->assert_srst(adapter->handle, 0);
+ res = adapter_assert_reset();
srst_asserted = true;
}
if (jtag_reset_config & RESET_HAS_SRST) {
if (!srst_asserted) {
- jtag_add_reset(0, 1);
- res = adapter->layout->api->assert_srst(adapter->handle, 0);
+ res = adapter_assert_reset();
}
if (res == ERROR_COMMAND_NOTFOUND)
LOG_ERROR("Hardware srst not supported, falling back to software reset");
return ERROR_OK;
}
-static int adapter_deassert_reset(struct target *target)
+static int hl_deassert_reset(struct target *target)
{
- struct hl_interface_s *adapter = target_to_adapter(target);
-
enum reset_types jtag_reset_config = jtag_get_reset_config();
LOG_DEBUG("%s", __func__);
if (jtag_reset_config & RESET_HAS_SRST)
- adapter->layout->api->assert_srst(adapter->handle, 1);
-
- /* virtual deassert reset, we need it for the internal
- * jtag state machine
- */
- jtag_add_reset(0, 0);
+ adapter_deassert_reset();
target->savedDCRDR = 0; /* clear both DCC busy bits on initial resume */
{
.chain = armv7m_trace_command_handlers,
},
+ {
+ .chain = rtt_target_command_handlers,
+ },
+ /* START_DEPRECATED_TPIU */
+ {
+ .chain = arm_tpiu_deprecated_command_handlers,
+ },
+ /* END_DEPRECATED_TPIU */
COMMAND_REGISTRATION_DONE
};
.arch_state = armv7m_arch_state,
.target_request_data = hl_target_request_data,
- .assert_reset = adapter_assert_reset,
- .deassert_reset = adapter_deassert_reset,
+ .assert_reset = hl_assert_reset,
+ .deassert_reset = hl_deassert_reset,
.halt = adapter_halt,
.resume = adapter_resume,
projects / fw / openocd / blobdiff