xtensa_debug_module.c File Reference

Include dependency graph for xtensa_debug_module.c:

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Macros
#define	TAPINS_BYPASS   0x1F
#define	TAPINS_BYPASS_LEN   1
#define	TAPINS_IDCODE   0x1E
#define	TAPINS_IDCODE_LEN   32
#define	TAPINS_NARSEL   0x1C
#define	TAPINS_NARSEL_ADRLEN   8
#define	TAPINS_NARSEL_DATALEN   32
#define	TAPINS_PWRCTL   0x08
#define	TAPINS_PWRCTL_LEN   8
#define	TAPINS_PWRSTAT   0x09
#define	TAPINS_PWRSTAT_LEN   8

Functions
static void	xtensa_dm_add_dr_scan (struct xtensa_debug_module *dm, int len, const uint8_t *src, uint8_t *dest, tap_state_t endstate)
static void	xtensa_dm_add_set_ir (struct xtensa_debug_module *dm, uint8_t value)
int	xtensa_dm_core_status_clear (struct xtensa_debug_module *dm, xtensa_dsr_t bits)
int	xtensa_dm_core_status_read (struct xtensa_debug_module *dm)
void	xtensa_dm_deinit (struct xtensa_debug_module *dm)
int	xtensa_dm_device_id_read (struct xtensa_debug_module *dm)
int	xtensa_dm_examine (struct xtensa_debug_module *dm)
int	xtensa_dm_init (struct xtensa_debug_module *dm, const struct xtensa_debug_module_config *cfg)
int	xtensa_dm_perfmon_dump (struct xtensa_debug_module *dm, int counter_id, struct xtensa_perfmon_result *out_result)
int	xtensa_dm_perfmon_enable (struct xtensa_debug_module *dm, int counter_id, const struct xtensa_perfmon_config *config)
int	xtensa_dm_poll (struct xtensa_debug_module *dm)
int	xtensa_dm_power_status_read (struct xtensa_debug_module *dm, uint32_t clear)
int	xtensa_dm_queue_enable (struct xtensa_debug_module *dm)
int	xtensa_dm_queue_pwr_reg_read (struct xtensa_debug_module *dm, enum xtensa_dm_pwr_reg reg, uint8_t *data, uint32_t clear)
int	xtensa_dm_queue_pwr_reg_write (struct xtensa_debug_module *dm, enum xtensa_dm_pwr_reg reg, uint32_t data)
int	xtensa_dm_queue_reg_read (struct xtensa_debug_module *dm, enum xtensa_dm_reg reg, uint8_t *value)
int	xtensa_dm_queue_reg_write (struct xtensa_debug_module *dm, enum xtensa_dm_reg reg, uint32_t value)
int	xtensa_dm_trace_config_read (struct xtensa_debug_module *dm, struct xtensa_trace_config *config)
int	xtensa_dm_trace_data_read (struct xtensa_debug_module *dm, uint8_t *dest, uint32_t size)
int	xtensa_dm_trace_start (struct xtensa_debug_module *dm, struct xtensa_trace_start_config *cfg)
int	xtensa_dm_trace_status_read (struct xtensa_debug_module *dm, struct xtensa_trace_status *status)
int	xtensa_dm_trace_stop (struct xtensa_debug_module *dm, bool pto_enable)

Variables
static const struct xtensa_dm_pwr_reg_offsets	xdm_pwr_regs [XDMREG_PWRNUM]
static const struct xtensa_dm_reg_offsets	xdm_regs [XDMREG_NUM]

Macro Definition Documentation

TAPINS_BYPASS

#define TAPINS_BYPASS   0x1F

Definition at line 20 of file xtensa_debug_module.c.

TAPINS_BYPASS_LEN

#define TAPINS_BYPASS_LEN   1

Definition at line 27 of file xtensa_debug_module.c.

TAPINS_IDCODE

#define TAPINS_IDCODE   0x1E

Definition at line 19 of file xtensa_debug_module.c.

TAPINS_IDCODE_LEN

#define TAPINS_IDCODE_LEN   32

Definition at line 26 of file xtensa_debug_module.c.

TAPINS_NARSEL

#define TAPINS_NARSEL   0x1C

Definition at line 18 of file xtensa_debug_module.c.

TAPINS_NARSEL_ADRLEN

#define TAPINS_NARSEL_ADRLEN   8

Definition at line 24 of file xtensa_debug_module.c.

TAPINS_NARSEL_DATALEN

#define TAPINS_NARSEL_DATALEN   32

Definition at line 25 of file xtensa_debug_module.c.

TAPINS_PWRCTL

#define TAPINS_PWRCTL   0x08

Definition at line 16 of file xtensa_debug_module.c.

TAPINS_PWRCTL_LEN

#define TAPINS_PWRCTL_LEN   8

Definition at line 22 of file xtensa_debug_module.c.

TAPINS_PWRSTAT

#define TAPINS_PWRSTAT   0x09

Definition at line 17 of file xtensa_debug_module.c.

TAPINS_PWRSTAT_LEN

#define TAPINS_PWRSTAT_LEN   8

Definition at line 23 of file xtensa_debug_module.c.

Function Documentation

xtensa_dm_add_dr_scan()

static void xtensa_dm_add_dr_scan ( struct xtensa_debug_module *  dm, int  len, const uint8_t *  src, uint8_t *  dest, tap_state_t  endstate  )

static

Definition at line 49 of file xtensa_debug_module.c.

References scan_field::in_value, jtag_add_dr_scan(), scan_field::num_bits, scan_field::out_value, and xtensa_debug_module::tap.

Referenced by xtensa_dm_queue_pwr_reg_read(), xtensa_dm_queue_pwr_reg_write(), xtensa_dm_queue_reg_read(), and xtensa_dm_queue_reg_write().

xtensa_dm_add_set_ir()

static void xtensa_dm_add_set_ir ( struct xtensa_debug_module *  dm, uint8_t  value  )

static

Definition at line 37 of file xtensa_debug_module.c.

References buf_set_u32(), jtag_tap::ir_length, jtag_add_ir_scan(), scan_field::num_bits, scan_field::out_value, xtensa_debug_module::tap, and TAP_IDLE.

Referenced by xtensa_dm_queue_pwr_reg_read(), xtensa_dm_queue_pwr_reg_write(), xtensa_dm_queue_reg_read(), and xtensa_dm_queue_reg_write().

xtensa_dm_core_status_clear()

int xtensa_dm_core_status_clear	(	struct xtensa_debug_module *	dm,
		xtensa_dsr_t	bits
	)

Definition at line 281 of file xtensa_debug_module.c.

References bits, xtensa_debug_module::dbg_ops, xtensa_debug_ops::queue_reg_write, XDMREG_DSR, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by xtensa_core_status_check(), xtensa_core_status_clear(), and xtensa_poll().

xtensa_dm_core_status_read()

int xtensa_dm_core_status_read

(

struct xtensa_debug_module *

dm

)

Definition at line 267 of file xtensa_debug_module.c.

References buf_get_u32(), xtensa_debug_module::core_status, xtensa_debug_module::dbg_ops, xtensa_core_status::dsr, ERROR_OK, xtensa_debug_ops::queue_reg_read, XDMREG_DSR, xtensa_dm_queue_enable(), xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by xtensa_core_status_check(), xtensa_do_step(), xtensa_halt(), and xtensa_poll().

xtensa_dm_deinit()

void xtensa_dm_deinit

(

struct xtensa_debug_module *

dm

)

Definition at line 86 of file xtensa_debug_module.c.

References dap_put_ap(), xtensa_debug_module::debug_ap, and NULL.

Referenced by xtensa_target_deinit().

xtensa_dm_device_id_read()

int xtensa_dm_device_id_read

(

struct xtensa_debug_module *

dm

)

Definition at line 234 of file xtensa_debug_module.c.

References buf_get_u32(), xtensa_debug_module::dbg_ops, xtensa_debug_module::device_id, ERROR_OK, xtensa_debug_ops::queue_reg_read, XDMREG_OCDID, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

xtensa_dm_examine()

int xtensa_dm_examine

(

struct xtensa_debug_module *

dm

)

Definition at line 104 of file xtensa_debug_module.c.

References adiv5_ap::ap_num, AP_TYPE_APB_AP, xtensa_debug_module::dap, dap_find_get_ap(), dap_get_ap(), dap_put_ap(), xtensa_debug_module::debug_ap, xtensa_debug_module::debug_apsel, DP_APSEL_INVALID, ERROR_OK, LOG_DEBUG, LOG_ERROR, mem_ap_init(), adiv5_ap::memaccess_tck, NULL, and adiv5_ap::tar_autoincr_block.

Referenced by xtensa_chip_examine().

xtensa_dm_init()

int xtensa_dm_init	(	struct xtensa_debug_module *	dm,
		const struct xtensa_debug_module_config *	cfg
	)

Definition at line 64 of file xtensa_debug_module.c.

References xtensa_debug_module_config::ap_offset, xtensa_debug_module::ap_offset, xtensa_debug_module_config::dap, xtensa_debug_module::dap, xtensa_debug_module_config::dbg_ops, xtensa_debug_module::dbg_ops, xtensa_debug_module_config::debug_ap, xtensa_debug_module::debug_ap, xtensa_debug_module_config::debug_apsel, xtensa_debug_module::debug_apsel, ERROR_FAIL, ERROR_OK, IS_ALIGNED, LOG_ERROR, xtensa_debug_module_config::pwr_ops, xtensa_debug_module::pwr_ops, xtensa_debug_module_config::queue_tdi_idle, xtensa_debug_module::queue_tdi_idle, xtensa_debug_module_config::queue_tdi_idle_arg, xtensa_debug_module::queue_tdi_idle_arg, xtensa_debug_module_config::tap, xtensa_debug_module::tap, and XTENSA_DM_APB_ALIGN.

Referenced by xtensa_init_arch_info().

xtensa_dm_perfmon_dump()

int xtensa_dm_perfmon_dump	(	struct xtensa_debug_module *	dm,
		int	counter_id,
		struct xtensa_perfmon_result *	out_result
	)

Definition at line 420 of file xtensa_debug_module.c.

References buf_get_u32(), xtensa_debug_module::dbg_ops, ERROR_OK, xtensa_perfmon_result::overflow, xtensa_debug_ops::queue_reg_read, xtensa_trace_status::stat, xtensa_perfmon_result::value, XDMREG_PM0, XDMREG_PMSTAT0, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by COMMAND_HELPER().

xtensa_dm_perfmon_enable()

int xtensa_dm_perfmon_enable	(	struct xtensa_debug_module *	dm,
		int	counter_id,
		const struct xtensa_perfmon_config *	config
	)

Definition at line 398 of file xtensa_debug_module.c.

References config, xtensa_debug_module::dbg_ops, ERROR_FAIL, xtensa_debug_ops::queue_reg_read, xtensa_debug_ops::queue_reg_write, XDMREG_PM0, XDMREG_PMCTRL0, XDMREG_PMG, XDMREG_PMSTAT0, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by COMMAND_HELPER().

xtensa_dm_poll()

int xtensa_dm_poll

(

struct xtensa_debug_module *

dm

)

Definition at line 94 of file xtensa_debug_module.c.

References xtensa_debug_module::dap, xtensa_debug_module::debug_ap, ERROR_FAIL, and ERROR_OK.

Referenced by xtensa_poll().

xtensa_dm_power_status_read()

int xtensa_dm_power_status_read	(	struct xtensa_debug_module *	dm,
		uint32_t	clear
	)

Definition at line 247 of file xtensa_debug_module.c.

References buf_get_u32(), ERROR_OK, xtensa_debug_module::power_status, xtensa_debug_module::pwr_ops, xtensa_power_ops::queue_reg_read, xtensa_power_status::stat, xtensa_power_status::stath, XDMREG_PWRSTAT, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by xtensa_poll().

xtensa_dm_queue_enable()

int xtensa_dm_queue_enable

(

struct xtensa_debug_module *

dm

)

Definition at line 147 of file xtensa_debug_module.c.

References xtensa_debug_module::dbg_ops, OCDDCR_ENABLEOCD, xtensa_debug_ops::queue_reg_write, and XDMREG_DCRSET.

Referenced by xtensa_dm_core_status_read(), and xtensa_examine().

xtensa_dm_queue_pwr_reg_read()

int xtensa_dm_queue_pwr_reg_read	(	struct xtensa_debug_module *	dm,
		enum xtensa_dm_pwr_reg	reg,
		uint8_t *	data,
		uint32_t	clear
	)

Definition at line 187 of file xtensa_debug_module.c.

References xtensa_debug_module::ap_offset, xtensa_dm_pwr_reg_offsets::apb, xtensa_debug_module::dap, xtensa_debug_module::debug_ap, ERROR_FAIL, ERROR_OK, LOG_ERROR, mem_ap_read_buf(), mem_ap_write_u32(), TAP_IDLE, TAPINS_PWRCTL, TAPINS_PWRCTL_LEN, TAPINS_PWRSTAT, TAPINS_PWRSTAT_LEN, xdm_pwr_regs, XDMREG_PWRCTL, XDMREG_PWRNUM, xtensa_dm_add_dr_scan(), and xtensa_dm_add_set_ir().

xtensa_dm_queue_pwr_reg_write()

int xtensa_dm_queue_pwr_reg_write	(	struct xtensa_debug_module *	dm,
		enum xtensa_dm_pwr_reg	reg,
		uint32_t	data
	)

Definition at line 214 of file xtensa_debug_module.c.

References xtensa_debug_module::ap_offset, xtensa_dm_pwr_reg_offsets::apb, xtensa_debug_module::dap, xtensa_debug_module::debug_ap, ERROR_FAIL, ERROR_OK, LOG_ERROR, mem_ap_write_u32(), NULL, TAP_IDLE, TAPINS_PWRCTL, TAPINS_PWRCTL_LEN, TAPINS_PWRSTAT, TAPINS_PWRSTAT_LEN, xdm_pwr_regs, XDMREG_PWRCTL, XDMREG_PWRNUM, xtensa_dm_add_dr_scan(), and xtensa_dm_add_set_ir().

xtensa_dm_queue_reg_read()

int xtensa_dm_queue_reg_read	(	struct xtensa_debug_module *	dm,
		enum xtensa_dm_reg	reg,
		uint8_t *	value
	)

Definition at line 152 of file xtensa_debug_module.c.

References xtensa_debug_module::ap_offset, xtensa_dm_reg_offsets::apb, xtensa_debug_module::dap, xtensa_debug_module::debug_ap, dummy, ERROR_FAIL, ERROR_OK, LOG_ERROR, mem_ap_read_buf(), xtensa_dm_reg_offsets::nar, NULL, TAP_IDLE, TAPINS_NARSEL, TAPINS_NARSEL_ADRLEN, TAPINS_NARSEL_DATALEN, xdm_regs, XDMREG_NUM, xtensa_dm_add_dr_scan(), and xtensa_dm_add_set_ir().

xtensa_dm_queue_reg_write()

int xtensa_dm_queue_reg_write	(	struct xtensa_debug_module *	dm,
		enum xtensa_dm_reg	reg,
		uint32_t	value
	)

Definition at line 171 of file xtensa_debug_module.c.

References xtensa_debug_module::ap_offset, xtensa_dm_reg_offsets::apb, xtensa_debug_module::dap, xtensa_debug_module::debug_ap, ERROR_FAIL, ERROR_OK, LOG_ERROR, mem_ap_write_u32(), xtensa_dm_reg_offsets::nar, NULL, TAP_IDLE, TAPINS_NARSEL, TAPINS_NARSEL_ADRLEN, TAPINS_NARSEL_DATALEN, xdm_regs, XDMREG_NUM, xtensa_dm_add_dr_scan(), and xtensa_dm_add_set_ir().

xtensa_dm_trace_config_read()

int xtensa_dm_trace_config_read	(	struct xtensa_debug_module *	dm,
		struct xtensa_trace_config *	config
	)

Definition at line 362 of file xtensa_debug_module.c.

References buf_get_u32(), config, xtensa_debug_module::dbg_ops, ERROR_FAIL, ERROR_OK, xtensa_debug_ops::queue_reg_read, XDMREG_MEMADDREND, XDMREG_MEMADDRSTART, XDMREG_TRAXADDR, XDMREG_TRAXCTRL, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by COMMAND_HELPER().

xtensa_dm_trace_data_read()

int xtensa_dm_trace_data_read	(	struct xtensa_debug_module *	dm,
		uint8_t *	dest,
		uint32_t	size
	)

Definition at line 387 of file xtensa_debug_module.c.

References xtensa_debug_module::dbg_ops, ERROR_FAIL, xtensa_debug_ops::queue_reg_read, size, XDMREG_TRAXDATA, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by COMMAND_HELPER().

xtensa_dm_trace_start()

int xtensa_dm_trace_start	(	struct xtensa_debug_module *	dm,
		struct xtensa_trace_start_config *	cfg
	)

Definition at line 288 of file xtensa_debug_module.c.

References xtensa_trace_start_config::after, xtensa_trace_start_config::after_is_words, xtensa_debug_module::dbg_ops, ERROR_OK, PCMATCHCTRL_PCML_SHIFT, xtensa_debug_ops::queue_reg_write, xtensa_trace_start_config::stopmask, xtensa_trace_start_config::stoppc, TRAXCTRL_CNTU, TRAXCTRL_PCMEN, TRAXCTRL_PTOWS, TRAXCTRL_SMPER_SHIFT, TRAXCTRL_TMEN, TRAXCTRL_TREN, XDMREG_DELAYCNT, XDMREG_PCMATCHCTRL, XDMREG_TRAXADDR, XDMREG_TRAXCTRL, XDMREG_TRIGGERPC, xtensa_dm_queue_execute(), xtensa_dm_queue_tdi_idle(), and XTENSA_STOPMASK_DISABLED.

Referenced by COMMAND_HELPER().

xtensa_dm_trace_status_read()

int xtensa_dm_trace_status_read	(	struct xtensa_debug_module *	dm,
		struct xtensa_trace_status *	status
	)

Definition at line 350 of file xtensa_debug_module.c.

References buf_get_u32(), xtensa_debug_module::dbg_ops, ERROR_OK, xtensa_debug_ops::queue_reg_read, status, XDMREG_TRAXSTAT, xtensa_dm_queue_execute(), and xtensa_dm_queue_tdi_idle().

Referenced by COMMAND_HELPER(), xtensa_dm_trace_stop(), and xtensa_poll().

xtensa_dm_trace_stop()

int xtensa_dm_trace_stop	(	struct xtensa_debug_module *	dm,
		bool	pto_enable
	)

Definition at line 316 of file xtensa_debug_module.c.

References buf_get_u32(), xtensa_debug_module::dbg_ops, ERROR_FAIL, ERROR_OK, LOG_ERROR, xtensa_debug_ops::queue_reg_read, xtensa_debug_ops::queue_reg_write, TRAXCTRL_PTOWS, TRAXCTRL_PTOWT, TRAXCTRL_TRSTP, TRAXSTAT_TRACT, XDMREG_TRAXCTRL, xtensa_dm_queue_execute(), xtensa_dm_queue_tdi_idle(), and xtensa_dm_trace_status_read().

Referenced by COMMAND_HELPER().

Variable Documentation

xdm_pwr_regs

const struct xtensa_dm_pwr_reg_offsets xdm_pwr_regs[XDMREG_PWRNUM]

static

Initial value:

=
    XTENSA_DM_PWR_REG_OFFSETS

Definition at line 1 of file xtensa_debug_module.c.

Referenced by xtensa_dm_queue_pwr_reg_read(), and xtensa_dm_queue_pwr_reg_write().

xdm_regs

const struct xtensa_dm_reg_offsets xdm_regs[XDMREG_NUM]

static

Initial value:

=
    XTENSA_DM_REG_OFFSETS

Definition at line 1 of file xtensa_debug_module.c.

Referenced by xtensa_dm_queue_reg_read(), and xtensa_dm_queue_reg_write().