Include dependency graph for armv7m.c:

Macros
#define	ARMV7M_NUM_REGS ARRAY_SIZE(armv7m_regs)

Functions
int	armv7m_arch_state (struct target *target)
	Logs summary of ARMv7-M state for a halted target. More...

int	armv7m_blank_check_memory (struct target target, struct target_memory_check_block blocks, int num_blocks, uint8_t erased_value)
	Checks an array of memory regions whether they are erased. More...

struct reg_cache *	armv7m_build_reg_cache (struct target *target)
	Builds cache of architecturally defined registers. More...

int	armv7m_checksum_memory (struct target target, target_addr_t address, uint32_t count, uint32_t checksum)
	Generates a CRC32 checksum of a memory region. More...

const char *	armv7m_exception_string (int number)
	Maps ISR number (from xPSR) to name. More...

void	armv7m_free_reg_cache (struct target *target)

static int	armv7m_get_core_reg (struct reg *reg)

int	armv7m_get_gdb_reg_list (struct target target, struct reg reg_list[], int reg_list_size, enum target_register_class reg_class)
	Returns generic ARM userspace registers to GDB. More...

int	armv7m_init_arch_info (struct target target, struct armv7m_common armv7m)
	Sets up target as a generic ARMv7-M core. More...

uint32_t	armv7m_map_id_to_regsel (unsigned int arm_reg_id)

bool	armv7m_map_reg_packing (unsigned int arm_reg_id, unsigned int reg32_id, uint32_t offset)

int	armv7m_maybe_skip_bkpt_inst (struct target target, bool inst_found)

static int	armv7m_read_core_reg (struct target target, struct reg r, int num, enum arm_mode mode)

int	armv7m_restore_context (struct target *target)
	Restores target context using the cache of core registers set up by armv7m_build_reg_cache(), calling optional core-specific hooks. More...

int	armv7m_run_algorithm (struct target target, int num_mem_params, struct mem_param mem_params, int num_reg_params, struct reg_param reg_params, target_addr_t entry_point, target_addr_t exit_point, unsigned int timeout_ms, void arch_info)
	Runs a Thumb algorithm in the target. More...

static int	armv7m_set_core_reg (struct reg reg, uint8_t buf)

static int	armv7m_setup_semihosting (struct target *target, int enable)

int	armv7m_start_algorithm (struct target target, int num_mem_params, struct mem_param mem_params, int num_reg_params, struct reg_param reg_params, target_addr_t entry_point, target_addr_t exit_point, void arch_info)
	Starts a Thumb algorithm in the target. More...

int	armv7m_wait_algorithm (struct target target, int num_mem_params, struct mem_param mem_params, int num_reg_params, struct reg_param reg_params, target_addr_t exit_point, unsigned int timeout_ms, void arch_info)
	Waits for an algorithm in the target. More...

static int	armv7m_write_core_reg (struct target target, struct reg r, int num, enum arm_mode mode, uint8_t *value)

Variables
const struct command_registration	armv7m_command_handlers []

static const char *const	armv7m_exception_strings []

const int	armv7m_msp_reg_map [ARMV7M_NUM_CORE_REGS]

const int	armv7m_psp_reg_map [ARMV7M_NUM_CORE_REGS]

static const struct reg_arch_type	armv7m_reg_type

struct {
unsigned bits

const char * feature

const char * group

unsigned id

const char * name

enum reg_type type

}	armv7m_regs []

Macro Definition Documentation

◆ ARMV7M_NUM_REGS

#define ARMV7M_NUM_REGS ARRAY_SIZE(armv7m_regs)

Definition at line 162 of file armv7m.c.

Function Documentation

◆ armv7m_arch_state()

int armv7m_arch_state ( struct target * target )

Logs summary of ARMv7-M state for a halted target.

Definition at line 728 of file armv7m.c.

References armv7m_common::arm, arm_mode_name(), ARMV7M_CONTROL, armv7m_exception_string(), ARMV7M_R13, buf_get_u32(), arm::core_cache, arm::core_mode, arm::cpsr, ctrl, debug_reason_name(), ERROR_OK, armv7m_common::exception_number, semihosting::hit_fileio, semihosting::is_active, semihosting::is_fileio, LOG_USER, arm::pc, reg_cache::reg_list, target::semihosting, sp, target_name(), target_to_armv7m(), and reg::value.

◆ armv7m_blank_check_memory()

int armv7m_blank_check_memory	(	struct target *	target,
		struct target_memory_check_block *	blocks,
		int	num_blocks,
		uint8_t	erased_value
	)

Checks an array of memory regions whether they are erased.

Definition at line 933 of file armv7m.c.

References working_area::address, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, ARRAY_SIZE, buf_set_u32(), armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, destroy_reg_param(), ERROR_FAIL, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, ERROR_TARGET_TIMEOUT, init_reg_param(), LOG_DEBUG, LOG_INFO, NULL, PARAM_OUT, target_memory_check_block::result, size, target_memory_check_block::size, TARGET_ADDR_FMT, target_alloc_working_area(), target_buffer_get_u32(), target_buffer_set_u32(), target_free_working_area(), target_get_working_area_avail(), target_read_buffer(), target_run_algorithm(), and target_write_buffer().

Referenced by psoc5lp_erase_check().

◆ armv7m_build_reg_cache()

struct reg_cache* armv7m_build_reg_cache ( struct target * target )

Builds cache of architecturally defined registers.

Definition at line 763 of file armv7m.c.

References reg::arch_info, arm_reg::arm, armv7m_common::arm, ARMV7M_NUM_REGS, ARMV7M_PC, ARMV7M_PMSK_BPRI_FLTMSK_CTRL, armv7m_reg_type, armv7m_regs, ARMV7M_XPSR, ARMV8M_PMSK_BPRI_FLTMSK_CTRL_NS, ARMV8M_PMSK_BPRI_FLTMSK_CTRL_S, reg::caller_save, arm::core_cache, arm::cpsr, reg::dirty, reg::exist, feature, reg::feature, reg::group, reg::hidden, LOG_ERROR, reg::name, reg_cache::name, reg_cache::next, NULL, arm_reg::num, reg_cache::num_regs, reg::number, arm::pc, target::reg_cache, reg::reg_data_type, reg_cache::reg_list, register_get_last_cache_p(), reg::size, target, arm_reg::target, target_to_armv7m(), reg_data_type::type, reg::type, reg::valid, arm_reg::value, and reg::value.

Referenced by adapter_init_target(), and cortex_m_init_target().

◆ armv7m_checksum_memory()

int armv7m_checksum_memory	(	struct target *	target,
		target_addr_t	address,
		uint32_t	count,
		uint32_t *	checksum
	)

Generates a CRC32 checksum of a memory region.

Definition at line 882 of file armv7m.c.

References working_area::address, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, buf_get_u32(), buf_set_u32(), armv7m_algorithm::common_magic, armv7m_algorithm::core_mode, count, destroy_reg_param(), ERROR_OK, init_reg_param(), LOG_ERROR, NULL, PARAM_IN_OUT, PARAM_OUT, target_alloc_working_area(), target_free_working_area(), target_run_algorithm(), target_write_buffer(), and reg_param::value.

◆ armv7m_exception_string()

const char* armv7m_exception_string ( int number )

Maps ISR number (from xPSR) to name.

Note that while names and meanings for the first sixteen are standardized (with zero not a true exception), external interrupts are only numbered. They are assigned by vendors, which generally assign different numbers to peripherals (such as UART0 or a USB peripheral controller).

Definition at line 204 of file armv7m.c.

References armv7m_exception_strings, and number.

Referenced by armv7m_arch_state(), and cortex_m_examine_exception_reason().

◆ armv7m_free_reg_cache()

void armv7m_free_reg_cache ( struct target * target )

Definition at line 826 of file armv7m.c.

References reg::arch_info, armv7m_common::arm, arm::core_cache, reg::feature, NULL, reg_cache::num_regs, reg::reg_data_type, reg_cache::reg_list, and target_to_armv7m().

Referenced by cortex_m_deinit_target().

◆ armv7m_get_core_reg()

static int armv7m_get_core_reg ( struct reg * reg )

static

Definition at line 216 of file armv7m.c.

References reg::arch_info, arm::core_mode, ERROR_TARGET_NOT_HALTED, reg::number, arm::read_core_reg, target::state, arm_reg::target, TARGET_HALTED, and target_to_arm().

Referenced by armv7m_start_algorithm().

◆ armv7m_get_gdb_reg_list()

int armv7m_get_gdb_reg_list	(	struct target *	target,
		struct reg **	reg_list[],
		int *	reg_list_size,
		enum target_register_class	reg_class
	)

Returns generic ARM userspace registers to GDB.

Definition at line 459 of file armv7m.c.

References armv7m_common::arm, ARMV7M_NUM_CORE_REGS, arm::core_cache, ERROR_FAIL, ERROR_OK, reg_cache::num_regs, REG_CLASS_ALL, reg_cache::reg_list, size, and target_to_armv7m().

◆ armv7m_init_arch_info()

int armv7m_init_arch_info	(	struct target *	target,
		struct armv7m_common *	armv7m
	)

Sets up target as a generic ARMv7-M core.

Definition at line 860 of file armv7m.c.

References arm::arch_info, armv7m_common::arm, ARM_CORE_TYPE_M_PROFILE, arm_init_arch_info(), ARM_STATE_THUMB, ARMV7M_COMMON_MAGIC, armv7m_read_core_reg(), armv7m_setup_semihosting(), armv7m_write_core_reg(), armv7m_common::common_magic, arm::core_state, arm::core_type, armv7m_common::fp_feature, FP_NONE, armv7m_trace_config::itm_ter, arm::read_core_reg, arm::setup_semihosting, armv7m_trace_config::trace_bus_id, armv7m_common::trace_config, and arm::write_core_reg.

Referenced by adapter_init_arch_info(), and cortex_m_init_arch_info().

◆ armv7m_map_id_to_regsel()

uint32_t armv7m_map_id_to_regsel ( unsigned int arm_reg_id )

◆ armv7m_map_reg_packing()

bool armv7m_map_reg_packing	(	unsigned int	arm_reg_id,
		unsigned int *	reg32_id,
		uint32_t *	offset
	)

Definition at line 284 of file armv7m.c.

References ARMV7M_PMSK_BPRI_FLTMSK_CTRL, ARMV7M_PRIMASK, ARMV8M_PMSK_BPRI_FLTMSK_CTRL_NS, ARMV8M_PMSK_BPRI_FLTMSK_CTRL_S, ARMV8M_PRIMASK_NS, ARMV8M_PRIMASK_S, and offset.

Referenced by armv7m_read_core_reg(), armv7m_write_core_reg(), and cortex_m_fast_read_all_regs().

◆ armv7m_maybe_skip_bkpt_inst()

int armv7m_maybe_skip_bkpt_inst	(	struct target *	target,
		bool *	inst_found
	)

Definition at line 1065 of file armv7m.c.

Referenced by adapter_resume(), adapter_step(), cortex_m_restore_one(), and cortex_m_step().

◆ armv7m_read_core_reg()

static int armv7m_read_core_reg	(	struct target *	target,
		struct reg *	r,
		int	num,
		enum arm_mode	mode
	)

static

Definition at line 309 of file armv7m.c.

References reg::arch_info, armv7m_common::arm, armv7m_map_id_to_regsel(), armv7m_map_reg_packing(), buf_cpy(), buf_get_u64(), buf_set_u32(), arm::core_cache, reg::dirty, ERROR_FAIL, ERROR_OK, armv7m_common::load_core_reg_u32, LOG_DEBUG, mode, reg::name, arm_reg::num, reg_cache::num_regs, reg::number, offset, reg_cache::reg_list, reg::size, target_to_armv7m(), reg::valid, and reg::value.

Referenced by armv7m_init_arch_info(), and armv7m_write_core_reg().

◆ armv7m_restore_context()

int armv7m_restore_context ( struct target * target )

Restores target context using the cache of core registers set up by armv7m_build_reg_cache(), calling optional core-specific hooks.

Definition at line 168 of file armv7m.c.

References armv7m_common::arm, ARM_MODE_ANY, arm::core_cache, reg::dirty, ERROR_OK, reg::exist, LOG_DEBUG, reg_cache::num_regs, armv7m_common::pre_restore_context, reg_cache::reg_list, target_to_armv7m(), reg::value, and arm::write_core_reg.

Referenced by adapter_resume(), adapter_step(), cortex_m_restore_one(), and cortex_m_step().

◆ armv7m_run_algorithm()

int armv7m_run_algorithm	(	struct target *	target,
		int	num_mem_params,
		struct mem_param *	mem_params,
		int	num_reg_params,
		struct reg_param *	reg_params,
		target_addr_t	entry_point,
		target_addr_t	exit_point,
		unsigned int	timeout_ms,
		void *	arch_info
	)

Runs a Thumb algorithm in the target.

Definition at line 483 of file armv7m.c.

References armv7m_start_algorithm(), armv7m_wait_algorithm(), and ERROR_OK.

◆ armv7m_set_core_reg()

static int armv7m_set_core_reg	(	struct reg *	reg,
		uint8_t *	buf
	)

static

Definition at line 231 of file armv7m.c.

References reg::arch_info, buf_cpy(), reg::dirty, ERROR_OK, ERROR_TARGET_NOT_HALTED, reg::size, target::state, arm_reg::target, TARGET_HALTED, reg::valid, and reg::value.

Referenced by armv7m_start_algorithm().

◆ armv7m_setup_semihosting()

static int armv7m_setup_semihosting	(	struct target *	target,
		int	enable
	)

static

Definition at line 853 of file armv7m.c.

References ERROR_OK.

Referenced by armv7m_init_arch_info().

◆ armv7m_start_algorithm()

int armv7m_start_algorithm	(	struct target *	target,
		int	num_mem_params,
		struct mem_param *	mem_params,
		int	num_reg_params,
		struct reg_param *	reg_params,
		target_addr_t	entry_point,
		target_addr_t	exit_point,
		void *	arch_info
	)

Starts a Thumb algorithm in the target.

Definition at line 508 of file armv7m.c.

References armv7m_common::arm, ARM_MODE_ANY, ARM_MODE_HANDLER, ARM_MODE_THREAD, ARMV7M_COMMON_MAGIC, ARMV7M_CONTROL, armv7m_get_core_reg(), armv7m_set_core_reg(), ARMV7M_XPSR, buf_get_u32(), buf_set_u32(), armv7m_algorithm::common_magic, armv7m_algorithm::context, arm::core_cache, arm::core_mode, armv7m_algorithm::core_mode, direction, reg::dirty, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_INVALID, ERROR_TARGET_NOT_HALTED, reg::exist, LOG_DEBUG, LOG_ERROR, LOG_INFO, LOG_TARGET_ERROR, LOG_TARGET_WARNING, reg::name, reg_cache::num_regs, PARAM_IN, reg_cache::reg_list, reg_param::reg_name, register_get_by_name(), size, reg_param::size, reg::size, target::state, TARGET_HALTED, target_resume(), target_to_armv7m(), target_write_buffer(), reg::valid, and reg::value.

Referenced by armv7m_run_algorithm().

◆ armv7m_wait_algorithm()

int armv7m_wait_algorithm	(	struct target *	target,
		int	num_mem_params,
		struct mem_param *	mem_params,
		int	num_reg_params,
		struct reg_param *	reg_params,
		target_addr_t	exit_point,
		unsigned int	timeout_ms,
		void *	arch_info
	)

Waits for an algorithm in the target.

Definition at line 622 of file armv7m.c.

References armv7m_common::arm, ARMV7M_COMMON_MAGIC, ARMV7M_CONTROL, buf_get_u32(), buf_set_u32(), armv7m_algorithm::common_magic, armv7m_algorithm::context, arm::core_cache, arm::core_mode, armv7m_algorithm::core_mode, direction, reg::dirty, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_ALGO_EXIT, ERROR_TARGET_INVALID, ERROR_TARGET_TIMEOUT, reg::exist, LOG_DEBUG, LOG_ERROR, reg::name, reg_cache::num_regs, PARAM_OUT, arm::pc, reg_cache::reg_list, reg_param::reg_name, register_get_by_name(), size, reg_param::size, reg::size, target::state, target_halt(), TARGET_HALTED, TARGET_PRIxADDR, target_read_buffer(), target_to_armv7m(), target_wait_state(), reg::valid, and reg::value.

Referenced by armv7m_run_algorithm().

◆ armv7m_write_core_reg()

static int armv7m_write_core_reg	(	struct target *	target,
		struct reg *	r,
		int	num,
		enum arm_mode	mode,
		uint8_t *	value
	)

static

Definition at line 380 of file armv7m.c.

References reg::arch_info, armv7m_common::arm, armv7m_map_id_to_regsel(), armv7m_map_reg_packing(), armv7m_read_core_reg(), buf_cpy(), buf_get_u32(), buf_get_u64(), arm::core_cache, reg::dirty, ERROR_FAIL, ERROR_OK, LOG_DEBUG, LOG_ERROR, mode, reg::name, arm_reg::num, reg_cache::num_regs, reg::number, offset, reg_cache::reg_list, reg::size, armv7m_common::store_core_reg_u32, target_to_armv7m(), reg::valid, arm_reg::value, and reg::value.

Referenced by armv7m_init_arch_info().

Variable Documentation

◆ armv7m_command_handlers

const struct command_registration armv7m_command_handlers[]

Initial value:

= {
    {
        .name = "arm",
        .mode = COMMAND_ANY,
        .help = "ARM command group",
        .usage = "",
        .chain = arm_all_profiles_command_handlers,
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 1065 of file armv7m.c.

◆ armv7m_exception_strings

const char* const armv7m_exception_strings[]

static

Initial value:

= {
    "", "Reset", "NMI", "HardFault",
    "MemManage", "BusFault", "UsageFault", "SecureFault",
    "RESERVED", "RESERVED", "RESERVED", "SVCall",
    "DebugMonitor", "RESERVED", "PendSV", "SysTick"
}

Definition at line 43 of file armv7m.c.

Referenced by armv7m_exception_string().

◆ armv7m_msp_reg_map

const int armv7m_msp_reg_map[ARMV7M_NUM_CORE_REGS]

Initial value:

= {
    ARMV7M_R0, ARMV7M_R1, ARMV7M_R2, ARMV7M_R3,
    ARMV7M_R4, ARMV7M_R5, ARMV7M_R6, ARMV7M_R7,
    ARMV7M_R8, ARMV7M_R9, ARMV7M_R10, ARMV7M_R11,
    ARMV7M_R12, ARMV7M_MSP, ARMV7M_R14, ARMV7M_PC,
    ARMV7M_XPSR,
}

Definition at line 60 of file armv7m.c.

Referenced by adapter_debug_entry(), and cortex_m_debug_entry().

◆ armv7m_psp_reg_map

const int armv7m_psp_reg_map[ARMV7M_NUM_CORE_REGS]

Initial value:

= {
    ARMV7M_R0, ARMV7M_R1, ARMV7M_R2, ARMV7M_R3,
    ARMV7M_R4, ARMV7M_R5, ARMV7M_R6, ARMV7M_R7,
    ARMV7M_R8, ARMV7M_R9, ARMV7M_R10, ARMV7M_R11,
    ARMV7M_R12, ARMV7M_PSP, ARMV7M_R14, ARMV7M_PC,
    ARMV7M_XPSR,
}

Definition at line 51 of file armv7m.c.

Referenced by adapter_debug_entry(), and cortex_m_debug_entry().

◆ armv7m_reg_type

const struct reg_arch_type armv7m_reg_type

static

Initial value:

= {
    .get = armv7m_get_core_reg,
    .set = armv7m_set_core_reg,
}

Definition at line 728 of file armv7m.c.

Referenced by armv7m_build_reg_cache().

◆

const { ... } armv7m_regs[]

Referenced by armv7m_build_reg_cache().

◆ bits

unsigned bits

Definition at line 79 of file armv7m.c.

◆ feature

const char* feature

Definition at line 82 of file armv7m.c.

Referenced by armv7m_build_reg_cache().

◆ group

const char* group

Definition at line 81 of file armv7m.c.

◆ id

unsigned id

Definition at line 77 of file armv7m.c.

◆ name

const char* name

Definition at line 78 of file armv7m.c.

◆ type

enum reg_type type

Definition at line 79 of file armv7m.c.

Macros

Functions

Variables

Macro Definition Documentation

◆ ARMV7M_NUM_REGS

Function Documentation

◆ armv7m_arch_state()

◆ armv7m_blank_check_memory()

◆ armv7m_build_reg_cache()

◆ armv7m_checksum_memory()

◆ armv7m_exception_string()

◆ armv7m_free_reg_cache()

◆ armv7m_get_core_reg()

◆ armv7m_get_gdb_reg_list()

◆ armv7m_init_arch_info()

◆ armv7m_map_id_to_regsel()

◆ armv7m_map_reg_packing()

◆ armv7m_maybe_skip_bkpt_inst()

◆ armv7m_read_core_reg()

◆ armv7m_restore_context()

◆ armv7m_run_algorithm()

◆ armv7m_set_core_reg()

◆ armv7m_setup_semihosting()

◆ armv7m_start_algorithm()

◆ armv7m_wait_algorithm()

◆ armv7m_write_core_reg()

Variable Documentation

◆ armv7m_command_handlers

◆ armv7m_exception_strings

◆ armv7m_msp_reg_map

◆ armv7m_psp_reg_map

◆ armv7m_reg_type

◆

◆ bits

◆ feature

◆ group

◆ id

◆ name

◆ type