mips32.c File Reference

Include dependency graph for mips32.c:

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Macros
#define	a0   4
#define	a1   5
#define	a2   6
#define	a3   7
#define	AT   1
#define	fp   30
#define	gp   28
#define	k0   26
#define	k1   27
#define	MIPS32_GDB_FP_REG   1
#define	MIPS32_NUM_REGS   ARRAY_SIZE(mips32_regs)
#define	ra   31
#define	s0   16
#define	s1   17
#define	s2   18
#define	s3   19
#define	s4   20
#define	s5   21
#define	s6   22
#define	s7   23
#define	s8   30 /* == fp */
#define	sp   29
#define	t0   8
#define	t1   9
#define	t2   10
#define	t3   11
#define	t4   12
#define	t5   13
#define	t6   14
#define	t7   15
#define	t8   24
#define	t9   25
#define	ta0   12 /* alias for $t4 */
#define	ta1   13 /* alias for $t5 */
#define	ta2   14 /* alias for $t6 */
#define	ta3   15 /* alias for $t7 */
#define	v0   2
#define	v1   3
#define	zero   0

Functions
	COMMAND_HANDLER (mips32_handle_cp0_command)
	mips32_handle_cp0_command - Handle commands related to CP0 registers. More...
	COMMAND_HANDLER (mips32_handle_cpuinfo_command)
	mips32_handle_cpuinfo_command - Handles the 'cpuinfo' command. More...
	COMMAND_HANDLER (mips32_handle_dsp_command)
	mips32_handle_dsp_command - Handles mips dsp related command More...
	COMMAND_HANDLER (mips32_handle_ejtag_reg_command)
	mips32_handle_ejtag_reg_command - Handler commands related to EJTAG More...
	COMMAND_HANDLER (mips32_handle_scan_delay_command)
	mips32_handle_scan_delay_command - Handler command for changing scan delay More...
int	mips32_arch_state (struct target *target)
int	mips32_blank_check_memory (struct target *target, struct target_memory_check_block *blocks, int num_blocks, uint8_t erased_value)
	Checks whether a memory region is erased. More...
struct reg_cache *	mips32_build_reg_cache (struct target *target)
int	mips32_checksum_memory (struct target *target, target_addr_t address, uint32_t count, uint32_t *checksum)
int	mips32_configure_break_unit (struct target *target)
static int	mips32_configure_dbs (struct target *target)
static int	mips32_configure_ibs (struct target *target)
static const struct mips32_cp0 *	mips32_cp0_find_register_by_name (uint32_t cp0_mask, const char *reg_name)
	mips32_cp0_find_register_by_name - Find CP0 register by its name. More...
static int	mips32_cp0_get_all_regs (struct command_invocation *cmd, struct mips_ejtag *ejtag_info, uint32_t cp0_mask)
	mips32_cp0_get_all_regs - Print all CP0 registers and their values. More...
static int	mips32_cp0_get_reg_by_name (struct command_invocation *cmd, struct mips_ejtag *ejtag_info, uint32_t cp0_mask)
	mips32_cp0_get_reg_by_name - Read and print a CP0 register's value by name. More...
static int	mips32_cp0_get_reg_by_number (struct command_invocation *cmd, struct mips_ejtag *ejtag_info)
	mips32_cp0_get_reg_by_number - Read and print a CP0 register's value by number. More...
static int	mips32_cp0_set_reg_by_name (struct command_invocation *cmd, struct mips32_common *mips32, struct mips_ejtag *ejtag_info)
	mips32_cp0_set_reg_by_name - Write to a CP0 register identified by name. More...
static int	mips32_cp0_set_reg_by_number (struct command_invocation *cmd, struct mips32_common *mips32, struct mips_ejtag *ejtag_info)
	mips32_cp0_set_reg_by_number - Write to a CP0 register identified by number. More...
static int	mips32_cpu_get_release (struct mips_ejtag *ejtag_info)
static bool	mips32_cpu_is_lexra (struct mips_ejtag *ejtag_info)
int	mips32_cpu_probe (struct target *target)
	mips32_cpu_probe - Detects processor type and applies necessary quirks. More...
bool	mips32_cpu_support_hazard_barrier (struct mips_ejtag *ejtag_info)
	mips32_cpu_support_hazard_barrier - Checks CPU supports hazard barrier More...
bool	mips32_cpu_support_sync (struct mips_ejtag *ejtag_info)
	mips32_cpu_support_sync - Checks CPU supports ordering More...
static void	mips32_detect_fpr_mode_change (struct mips32_common *mips32, uint32_t cp0_status)
	mips32_detect_fpr_mode_change - Detect changes in floating-point register mode More...
static void	mips32_dsp_enable (struct pracc_queue_info *ctx, int isa)
	mips32_dsp_enable - Enable access to DSP registers More...
static int	mips32_dsp_find_register_by_name (const char *reg_name)
	mips32_dsp_find_register_by_name - Find DSP register index by name More...
static int	mips32_dsp_get_all_regs (struct command_invocation *cmd, struct mips32_common *mips32)
	mips32_dsp_get_all_regs - Get values of all MIPS32 DSP registers More...
static int	mips32_dsp_get_register (struct command_invocation *cmd, struct mips32_common *mips32)
	mips32_dsp_get_register - Get the value of a MIPS32 DSP register More...
static void	mips32_dsp_restore (struct pracc_queue_info *ctx, int isa)
	mips32_dsp_restore - Restore DSP status registers to the previous setting More...
static int	mips32_dsp_set_register (struct command_invocation *cmd, struct mips32_common *mips32)
	mips32_dsp_set_register - Set the value of a MIPS32 DSP register More...
int	mips32_enable_interrupts (struct target *target, int enable)
int	mips32_examine (struct target *target)
static const struct cpu_entry *	mips32_find_cpu_by_prid (uint32_t prid)
	mips32_find_cpu_by_prid - Find CPU information by processor ID. More...
static int	mips32_get_core_reg (struct reg *reg)
int	mips32_get_gdb_reg_list (struct target *target, struct reg **reg_list[], int *reg_list_size, enum target_register_class reg_class)
int	mips32_init_arch_info (struct target *target, struct mips32_common *mips32, struct jtag_tap *tap)
static int	mips32_pracc_read_dsp_reg (struct mips_ejtag *ejtag_info, uint32_t *val, uint32_t reg)
	mips32_pracc_read_dsp_reg - Read a value from a MIPS32 DSP register More...
static int	mips32_pracc_write_dsp_reg (struct mips_ejtag *ejtag_info, uint32_t val, uint32_t reg)
	mips32_pracc_write_dsp_reg - Write a value to a MIPS32 DSP register More...
static int	mips32_read_c0_prid (struct target *target)
static void	mips32_read_config_dsp (struct mips32_common *mips32, struct mips_ejtag *ejtag_info)
static void	mips32_read_config_fdc (struct mips32_common *mips32, struct mips_ejtag *ejtag_info, uint32_t dcr)
	mips32_read_config_fdc - Read Fast Debug Channel configuration More...
static int	mips32_read_config_fpu (struct mips32_common *mips32, struct mips_ejtag *ejtag_info)
static int	mips32_read_config_mmu (struct mips_ejtag *ejtag_info)
	mips32_read_config_mmu - Reads MMU configuration and logs relevant information. More...
int	mips32_read_config_regs (struct target *target)
static int	mips32_read_core_reg (struct target *target, unsigned int num)
int	mips32_restore_context (struct target *target)
int	mips32_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)
static int	mips32_run_and_wait (struct target *target, target_addr_t entry_point, unsigned int timeout_ms, target_addr_t exit_point, struct mips32_common *mips32)
int	mips32_save_context (struct target *target)
static void	mips32_set_all_fpr_width (struct mips32_common *mips32, bool fp64)
	mips32_set_all_fpr_width - Set the width of all floating-point registers More...
static int	mips32_set_core_reg (struct reg *reg, uint8_t *buf)
static int	mips32_verify_pointer (struct command_invocation *cmd, struct mips32_common *mips32)
static int	mips32_write_core_reg (struct target *target, unsigned int num)

Variables
const struct command_registration	mips32_command_handlers []
struct {
const char *   name
}	mips32_dsp_regs [MIPS32NUMDSPREGS]
static const struct command_registration	mips32_exec_command_handlers []
static const struct reg_arch_type	mips32_reg_type
struct {
const char *   feature
const char *   group
unsigned int   id
const char *   name
int   size
enum reg_type   type
}	mips32_regs []
static const char *	mips_isa_strings []

Macro Definition Documentation

a0

#define a0   4

Definition at line 188 of file mips32.c.

a1

#define a1   5

Definition at line 189 of file mips32.c.

a2

#define a2   6

Definition at line 190 of file mips32.c.

a3

#define a3   7

Definition at line 191 of file mips32.c.

AT

#define AT   1

Definition at line 183 of file mips32.c.

fp

#define fp   30

Definition at line 223 of file mips32.c.

gp

#define gp   28

Definition at line 220 of file mips32.c.

k0

#define k0   26

Definition at line 217 of file mips32.c.

k1

#define k1   27

Definition at line 218 of file mips32.c.

MIPS32_GDB_FP_REG

#define MIPS32_GDB_FP_REG   1

Definition at line 30 of file mips32.c.

MIPS32_NUM_REGS

#define MIPS32_NUM_REGS   ARRAY_SIZE(mips32_regs)

Definition at line 177 of file mips32.c.

ra

#define ra   31

Definition at line 224 of file mips32.c.

s0

#define s0   16

Definition at line 205 of file mips32.c.

s1

#define s1   17

Definition at line 206 of file mips32.c.

s2

#define s2   18

Definition at line 207 of file mips32.c.

s3

#define s3   19

Definition at line 208 of file mips32.c.

s4

#define s4   20

Definition at line 209 of file mips32.c.

s5

#define s5   21

Definition at line 210 of file mips32.c.

s6

#define s6   22

Definition at line 211 of file mips32.c.

s7

#define s7   23

Definition at line 212 of file mips32.c.

s8

#define s8   30 /* == fp */

Definition at line 213 of file mips32.c.

sp

#define sp   29

Definition at line 222 of file mips32.c.

t0

#define t0   8

Definition at line 192 of file mips32.c.

t1

#define t1   9

Definition at line 193 of file mips32.c.

t2

#define t2   10

Definition at line 194 of file mips32.c.

t3

#define t3   11

Definition at line 195 of file mips32.c.

t4

#define t4   12

Definition at line 196 of file mips32.c.

t5

#define t5   13

Definition at line 197 of file mips32.c.

t6

#define t6   14

Definition at line 198 of file mips32.c.

t7

#define t7   15

Definition at line 199 of file mips32.c.

t8

#define t8   24

Definition at line 215 of file mips32.c.

t9

#define t9   25

Definition at line 216 of file mips32.c.

ta0

#define ta0   12 /* alias for $t4 */

Definition at line 200 of file mips32.c.

ta1

#define ta1   13 /* alias for $t5 */

Definition at line 201 of file mips32.c.

ta2

#define ta2   14 /* alias for $t6 */

Definition at line 202 of file mips32.c.

ta3

#define ta3   15 /* alias for $t7 */

Definition at line 203 of file mips32.c.

v0

#define v0   2

Definition at line 185 of file mips32.c.

v1

#define v1   3

Definition at line 186 of file mips32.c.

zero

#define zero   0

Definition at line 181 of file mips32.c.

Function Documentation

COMMAND_HANDLER() [1/5]

COMMAND_HANDLER

(

mips32_handle_cp0_command

)

mips32_handle_cp0_command - Handle commands related to CP0 registers.

@cmd: Command invocation context.

Orchestrates different operations on CP0 registers based on the command arguments. Supports operations like reading all registers, reading/writing a specific register by name or number.

Return: ERROR_OK on success; error code on failure.

Definition at line 1672 of file mips32.c.

References CMD, CMD_ARGC, CMD_ARGV, CMD_CTX, CMD_NAME, command_print(), mips32_common::cp0_mask, mips32_common::ejtag_info, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, get_current_target(), mips32_cp0_get_all_regs(), mips32_cp0_get_reg_by_name(), mips32_cp0_get_reg_by_number(), mips32_cp0_set_reg_by_name(), mips32_cp0_set_reg_by_number(), mips32_verify_pointer(), target::state, TARGET_HALTED, and target_to_mips32().

COMMAND_HANDLER() [2/5]

COMMAND_HANDLER

(

mips32_handle_cpuinfo_command

)

mips32_handle_cpuinfo_command - Handles the 'cpuinfo' command.

Parameters

[in]

cmd

Command invocation context.

Executes the 'cpuinfo' command which displays detailed information about the current CPU core. This includes core type, vendor, instruction set, cache size, and other relevant details.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1918 of file mips32.c.

References BIT, CMD, CMD_ARGC, CMD_CTX, CMD_NAME, command_print(), mips_ejtag::config, mips32_common::cpu_info, cpu_entry::cpu_name, mips32_common::ejtag_info, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_NOT_HALTED, get_current_target(), mips32_common::isa_rel, MIPS32_CFG1_DASHIFT, MIPS32_CFG1_DLSHIFT, MIPS32_CFG1_DSSHIFT, MIPS32_CFG1_IASHIFT, MIPS32_CFG1_ILSHIFT, MIPS32_CFG1_ISSHIFT, MIPS32_CONFIG3_ISA_MASK, MIPS32_CONFIG3_ISA_SHIFT, mips32_cp0_read(), mips32_cpu_entry, MIPS32_MMU_BAT, MIPS32_MMU_DUAL_VTLB_FTLB, MIPS32_MMU_FIXED, MIPS32_MMU_TLB, MIPS32_NUM_CPU_ENTRIES, mips32_read_config_dsp(), mips32_read_config_fpu(), mips32_read_config_mmu(), MIPS32_RELEASE_1, MIPS32_RELEASE_2, MIPS32_RELEASE_6, mips32_common::num_data_bpoints, mips32_common::num_inst_bpoints, cpu_entry::prid, mips32_common::prid, mips_ejtag::prid, pracc_queue_info::retval, target::state, TARGET_HALTED, target_to_mips32(), and cpu_entry::vendor.

COMMAND_HANDLER() [3/5]

COMMAND_HANDLER

(

mips32_handle_dsp_command

)

mips32_handle_dsp_command - Handles mips dsp related command

Parameters

[in]

cmd

Command invocation context

Reads or sets the content of each dsp register.

Returns

ERROR_OK on success; error code on failure.

Definition at line 2238 of file mips32.c.

References CMD, CMD_ARGC, CMD_ARGV, CMD_CTX, CMD_NAME, command_print(), mips32_common::dsp_imp, ERROR_COMMAND_ARGUMENT_INVALID, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, get_current_target(), mips32_dsp_get_all_regs(), mips32_dsp_get_register(), mips32_dsp_set_register(), mips32_verify_pointer(), target::state, TARGET_HALTED, and target_to_mips32().

COMMAND_HANDLER() [4/5]

COMMAND_HANDLER

(

mips32_handle_ejtag_reg_command

)

mips32_handle_ejtag_reg_command - Handler commands related to EJTAG

Parameters

[in]

cmd

Command invocation context

Prints all EJTAG Registers including DCR features.

Returns

ERROR_OK on success; error code on failure.

Definition at line 2296 of file mips32.c.

References BIT, bit(), CMD, CMD_CTX, command_print(), dcr_features, mips_ejtag::ejtag_ctrl, EJTAG_DCR, EJTAG_DCR_ENTRIES, mips32_common::ejtag_info, EJTAG_INST_CONTROL, ejtag_main_print_imp(), ERROR_OK, get_current_target(), mips_ejtag::idcode, mips_ejtag::impcode, mips_ejtag_drscan_32(), mips_ejtag_get_idcode(), mips_ejtag_get_impcode(), mips_ejtag_set_instr(), name, target_read_u32(), and target_to_mips32().

COMMAND_HANDLER() [5/5]

COMMAND_HANDLER

(

mips32_handle_scan_delay_command

)

mips32_handle_scan_delay_command - Handler command for changing scan delay

Parameters

[in]

cmd

Command invocation context

Changes current scan mode between legacy and fast queued mode.

Returns

ERROR_OK on success; error code on failure.

Definition at line 2351 of file mips32.c.

References CMD, CMD_ARGC, CMD_ARGV, CMD_CTX, COMMAND_PARSE_NUMBER, command_print(), mips32_common::ejtag_info, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, get_current_target(), MIPS32_SCAN_DELAY_LEGACY_MODE, mips_ejtag::mode, mips_ejtag::scan_delay, and target_to_mips32().

mips32_arch_state()

int mips32_arch_state

(

struct target *

target

)

Definition at line 484 of file mips32.c.

References buf_get_u32(), mips32_common::core_cache, debug_reason_name(), ERROR_OK, mips32_common::isa_mode, LOG_USER, MIPS32_REGLIST_C0_PC_INDEX, mips_isa_strings, reg_cache::reg_list, target_to_mips32(), and reg::value.

mips32_blank_check_memory()

int mips32_blank_check_memory	(	struct target *	target,
		struct target_memory_check_block *	blocks,
		int	num_blocks,
		uint8_t	erased_value
	)

Checks whether a memory region is erased.

Definition at line 1312 of file mips32.c.

References working_area::address, ARRAY_SIZE, buf_get_u32(), buf_set_u32(), mips32_algorithm::common_magic, destroy_reg_param(), mips32_common::ejtag_info, ERROR_FAIL, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, init_reg_param(), mips_ejtag::isa, mips32_algorithm::isa_mode, LOG_ERROR, MIPS32_ADDIU, MIPS32_AND, MIPS32_BNE, MIPS32_COMMON_MAGIC, MIPS32_ISA_MIPS32, MIPS32_ISA_MMIPS32, MIPS32_LB, MIPS32_SDBBP, NEG16, NULL, PARAM_IN_OUT, PARAM_OUT, pracc_swap16_array(), target_memory_check_block::result, size, target_alloc_working_area(), target_buffer_set_u32_array(), target_free_working_area(), target_run_algorithm(), target_to_mips32(), and target_write_buffer().

mips32_build_reg_cache()

struct reg_cache* mips32_build_reg_cache

(

struct target *

target

)

Definition at line 501 of file mips32.c.

References reg::arch_info, reg::caller_save, mips32_common::core_cache, reg::dirty, reg::exist, feature, reg::feature, reg::group, LOG_ERROR, mips32_core_reg::mips32_common, MIPS32_NUM_REGS, mips32_reg_type, mips32_regs, reg::name, reg_cache::name, reg_cache::next, NULL, mips32_core_reg::num, reg_cache::num_regs, reg::number, target::reg_cache, reg::reg_data_type, reg_cache::reg_list, register_get_last_cache_p(), reg::size, target, mips32_core_reg::target, target_to_mips32(), reg_data_type::type, reg::type, reg::valid, and reg::value.

Referenced by mips_m4k_init_target().

mips32_checksum_memory()

int mips32_checksum_memory	(	struct target *	target,
		target_addr_t	address,
		uint32_t	count,
		uint32_t *	checksum
	)

Definition at line 1229 of file mips32.c.

References working_area::address, ARRAY_SIZE, buf_get_u32(), buf_set_u32(), mips32_algorithm::common_magic, count, destroy_reg_param(), mips32_common::ejtag_info, ERROR_OK, ERROR_TARGET_RESOURCE_NOT_AVAILABLE, init_reg_param(), mips_ejtag::isa, mips32_algorithm::isa_mode, MIPS32_ADDI, MIPS32_ADDIU, MIPS32_ADDU, MIPS32_BEQ, MIPS32_BNE, MIPS32_COMMON_MAGIC, MIPS32_ISA_MIPS32, MIPS32_ISA_MMIPS32, MIPS32_LB, MIPS32_LUI, MIPS32_MOVN, MIPS32_ORI, MIPS32_SDBBP, MIPS32_SLL, MIPS32_SLTI, MIPS32_XOR, NEG16, NULL, PARAM_IN_OUT, PARAM_OUT, pracc_swap16_array(), target_alloc_working_area(), target_buffer_set_u32_array(), target_free_working_area(), target_run_algorithm(), target_to_mips32(), and target_write_buffer().

mips32_configure_break_unit()

int mips32_configure_break_unit

(

struct target *

target

)

Definition at line 804 of file mips32.c.

References mips32_common::bp_scanned, mips_ejtag::debug_caps, EJTAG_DCR, EJTAG_DCR_DB, EJTAG_DCR_ENM, EJTAG_DCR_IB, mips32_common::ejtag_info, EJTAG_V20_IMP_NODB, EJTAG_V20_IMP_NOIB, mips_ejtag::ejtag_version, EJTAG_VERSION_20, target::endianness, ERROR_OK, mips_ejtag::impcode, LOG_DEBUG, LOG_WARNING, mips32_configure_dbs(), mips32_configure_ibs(), mips32_common::num_data_bpoints, mips32_common::num_inst_bpoints, TARGET_BIG_ENDIAN, TARGET_LITTLE_ENDIAN, target_read_u32(), and target_to_mips32().

Referenced by mips_m4k_debug_entry().

mips32_configure_dbs()

static int mips32_configure_dbs ( struct target *  target )

static

Definition at line 777 of file mips32.c.

References mips32_common::data_break_list, mips_ejtag::ejtag_dba0_addr, mips_ejtag::ejtag_dba_step_size, mips_ejtag::ejtag_dbs_addr, mips32_common::ejtag_info, ERROR_OK, mips32_common::num_data_bpoints, mips32_common::num_data_bpoints_avail, mips32_comparator::reg_address, target_read_u32(), target_to_mips32(), and target_write_u32().

Referenced by mips32_configure_break_unit().

mips32_configure_ibs()

static int mips32_configure_ibs ( struct target *  target )

static

Definition at line 750 of file mips32.c.

References mips_ejtag::ejtag_iba0_addr, mips_ejtag::ejtag_iba_step_size, mips_ejtag::ejtag_ibs_addr, mips32_common::ejtag_info, ERROR_OK, mips32_common::inst_break_list, mips32_common::num_inst_bpoints, mips32_common::num_inst_bpoints_avail, mips32_comparator::reg_address, target_read_u32(), target_to_mips32(), and target_write_u32().

Referenced by mips32_configure_break_unit().

mips32_cp0_find_register_by_name()

static const struct mips32_cp0* mips32_cp0_find_register_by_name ( uint32_t  cp0_mask, const char *  reg_name  )

static

mips32_cp0_find_register_by_name - Find CP0 register by its name.

Parameters

[in]	cp0_mask	Mask to filter out irrelevant registers.
[in]	reg_name	Name of the register to find.

This function iterates through mips32_cp0_regs to find a register matching reg_name, considering cp0_mask to filter out registers not relevant for the current core.

Returns

Pointer to the found register, or NULL if not found.

Definition at line 1452 of file mips32.c.

References mips32_cp0::core, mips32_cp0_regs, MIPS32NUMCP0REGS, name, and NULL.

Referenced by mips32_cp0_get_reg_by_name(), and mips32_cp0_set_reg_by_name().

mips32_cp0_get_all_regs()

static int mips32_cp0_get_all_regs ( struct command_invocation *  cmd, struct mips_ejtag *  ejtag_info, uint32_t  cp0_mask  )

static

mips32_cp0_get_all_regs - Print all CP0 registers and their values.

Parameters

[in]	cmd	Command invocation context.
[in]	ejtag_info	EJTAG interface information.
[in]	cp0_mask	Mask to identify relevant registers.

Iterates over all CP0 registers, reads their values, and prints them. Only considers registers relevant to the current core, as defined by cp0_mask.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1476 of file mips32.c.

References CMD, command_print(), mips32_cp0::core, ERROR_OK, mips32_cp0_read(), mips32_cp0_regs, MIPS32NUMCP0REGS, name, and mips32_cp0::sel.

Referenced by COMMAND_HANDLER().

mips32_cp0_get_reg_by_name()

static int mips32_cp0_get_reg_by_name ( struct command_invocation *  cmd, struct mips_ejtag *  ejtag_info, uint32_t  cp0_mask  )

static

mips32_cp0_get_reg_by_name - Read and print a CP0 register's value by name.

Parameters

[in]	cmd	Command invocation context.
[in]	ejtag_info	EJTAG interface information.
[in]	cp0_mask	Mask to identify relevant registers.

Finds a CP0 register by name, reads its value, and prints it. Handles error scenarios like register not found or read failure.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1507 of file mips32.c.

References CMD, CMD_ARGV, command_print(), ERROR_COMMAND_ARGUMENT_INVALID, ERROR_OK, mips32_cp0_find_register_by_name(), mips32_cp0_read(), mips32_cp0::reg, and mips32_cp0::sel.

Referenced by COMMAND_HANDLER().

mips32_cp0_get_reg_by_number()

static int mips32_cp0_get_reg_by_number ( struct command_invocation *  cmd, struct mips_ejtag *  ejtag_info  )

static

mips32_cp0_get_reg_by_number - Read and print a CP0 register's value by number.

Parameters

[in]	cmd	Command invocation context.
[in]	ejtag_info	EJTAG interface information.

Reads a specific CP0 register (identified by number and selection) and prints its value. The register number and selection are parsed from the command arguments.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1537 of file mips32.c.

References CMD, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), ERROR_OK, and mips32_cp0_read().

Referenced by COMMAND_HANDLER().

mips32_cp0_set_reg_by_name()

static int mips32_cp0_set_reg_by_name ( struct command_invocation *  cmd, struct mips32_common *  mips32, struct mips_ejtag *  ejtag_info  )

static

mips32_cp0_set_reg_by_name - Write to a CP0 register identified by name.

Parameters

[in]	cmd	Command invocation context.
[in]	mips32	Common MIPS32 data structure.
[in]	ejtag_info	EJTAG interface information.

Writes a value to a CP0 register specified by name. Updates internal cache if specific registers (STATUS, CAUSE, DEPC, GUESTCTL1) are modified.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1567 of file mips32.c.

References CMD, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), mips32_common::core_cache, mips32_common::core_regs, mips32_core_regs::cp0, mips32_common::cp0_mask, reg::dirty, ERROR_COMMAND_ARGUMENT_INVALID, ERROR_OK, MIPS32_C0_CAUSE, MIPS32_C0_DEPC, MIPS32_C0_GUESTCTL1, MIPS32_C0_STATUS, mips32_cp0_find_register_by_name(), mips32_cp0_write(), MIPS32_REG_C0_CAUSE_INDEX, MIPS32_REG_C0_GUESTCTL1_INDEX, MIPS32_REG_C0_PC_INDEX, MIPS32_REG_C0_STATUS_INDEX, MIPS32_REGLIST_C0_CAUSE_INDEX, MIPS32_REGLIST_C0_GUESTCTL1_INDEX, MIPS32_REGLIST_C0_PC_INDEX, MIPS32_REGLIST_C0_STATUS_INDEX, mips32_cp0::reg, reg_cache::reg_list, and mips32_cp0::sel.

Referenced by COMMAND_HANDLER().

mips32_cp0_set_reg_by_number()

static int mips32_cp0_set_reg_by_number ( struct command_invocation *  cmd, struct mips32_common *  mips32, struct mips_ejtag *  ejtag_info  )

static

mips32_cp0_set_reg_by_number - Write to a CP0 register identified by number.

Parameters

[in]	cmd	Command invocation context.
[in]	mips32	Common MIPS32 data structure.
[in]	ejtag_info	EJTAG interface information.

Writes a value to a CP0 register specified by number and selection. Handles special cases like updating the internal cache for certain registers.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1623 of file mips32.c.

References CMD, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), mips32_common::core_cache, mips32_common::core_regs, mips32_core_regs::cp0, reg::dirty, ERROR_OK, MIPS32_C0_CAUSE, MIPS32_C0_DEPC, MIPS32_C0_GUESTCTL1, MIPS32_C0_STATUS, mips32_cp0_write(), MIPS32_REG_C0_CAUSE_INDEX, MIPS32_REG_C0_GUESTCTL1_INDEX, MIPS32_REG_C0_PC_INDEX, MIPS32_REG_C0_STATUS_INDEX, MIPS32_REGLIST_C0_CAUSE_INDEX, MIPS32_REGLIST_C0_GUESTCTL1_INDEX, MIPS32_REGLIST_C0_PC_INDEX, MIPS32_REGLIST_C0_STATUS_INDEX, and reg_cache::reg_list.

Referenced by COMMAND_HANDLER().

mips32_cpu_get_release()

static int mips32_cpu_get_release ( struct mips_ejtag *  ejtag_info )

static

Definition at line 948 of file mips32.c.

References mips_ejtag::config, MIPS32_CONFIG0_AR_MASK, and MIPS32_CONFIG0_AR_SHIFT.

Referenced by mips32_cpu_support_hazard_barrier().

mips32_cpu_is_lexra()

static bool mips32_cpu_is_lexra ( struct mips_ejtag *  ejtag_info )

static

Definition at line 943 of file mips32.c.

References mips_ejtag::prid, PRID_COMP_LEXRA, and PRID_COMP_MASK.

Referenced by mips32_cpu_support_sync().

mips32_cpu_probe()

int mips32_cpu_probe

(

struct target *

target

)

mips32_cpu_probe - Detects processor type and applies necessary quirks.

Parameters

[in]

target

The target CPU to probe.

This function probes the CPU, reads its PRID (Processor ID), and determines the CPU type. It applies any quirks necessary for specific processor types.

NOTE: The proper detection of certain CPUs can become quite complicated. Please consult the following Linux kernel code when adding new CPUs: arch/mips/include/asm/cpu.h arch/mips/kernel/cpu-probe.c

Returns

ERROR_OK on success; error code on failure.

Definition at line 995 of file mips32.c.

References mips32_common::cp0_mask, mips32_common::cpu_info, cpu_entry::cpu_name, mips32_common::cpu_quirks, EJTAG_QUIRK_PAD_DRET, ERROR_OK, LOG_DEBUG, mips32_find_cpu_by_prid(), mips32_read_c0_prid(), MIPS_CP0_IAPTIV, MIPS_CP0_MAPTIV_UC, MIPS_CP0_MAPTIV_UP, MIPS_CP0_MK4, cpu_entry::prid, mips32_common::prid, PRID_COMP_INGENIC_E1, PRID_COMP_MASK, PRID_COMP_MTI, PRID_IMP_IAPTIV, PRID_IMP_IAPTIV_CM, PRID_IMP_M5150, PRID_IMP_MAPTIV_UC, PRID_IMP_MAPTIV_UP, PRID_IMP_MASK, PRID_IMP_XBURST_REV1, and target_to_mips32().

Referenced by mips_m4k_debug_entry().

mips32_cpu_support_hazard_barrier()

bool mips32_cpu_support_hazard_barrier

(

struct mips_ejtag *

ejtag_info

)

mips32_cpu_support_hazard_barrier - Checks CPU supports hazard barrier

Parameters

[in]

ejtag_info

MIPS EJTAG information structure.

hazard barrier instructions EHB and *.HB was introduced to MIPS from release 2.

Returns

true if current CPU supports hazard barrier(release > 1)

Definition at line 976 of file mips32.c.

References mips32_cpu_get_release(), and MIPS32_RELEASE_1.

Referenced by mips32_cp0_read(), mips32_cp0_write(), mips32_pracc_fastdata_xfer(), mips32_pracc_write_mem(), and mips32_pracc_write_regs().

mips32_cpu_support_sync()

bool mips32_cpu_support_sync

(

struct mips_ejtag *

ejtag_info

)

mips32_cpu_support_sync - Checks CPU supports ordering

Parameters

[in]

ejtag_info

MIPS EJTAG information structure.

MIPS ISA implemented on Lexra CPUs is MIPS-I, similar to R3000, which does not have the SYNC instruction alone with unaligned load/store instructions.

Returns

true if current CPU supports sync instruction(CPU is not Lexra)

Definition at line 963 of file mips32.c.

References mips32_cpu_is_lexra().

Referenced by mips32_pracc_fastdata_xfer(), mips32_pracc_read_mem(), mips32_pracc_read_u32(), and mips32_pracc_write_mem().

mips32_detect_fpr_mode_change()

static void mips32_detect_fpr_mode_change ( struct mips32_common *  mips32, uint32_t  cp0_status  )

static

mips32_detect_fpr_mode_change - Detect changes in floating-point register mode

Parameters

[in]	mips32	MIPS32 common structure
[in]	cp0_status	Value of the CP0 status register

Detects changes in the floating-point register mode based on the CP0 status register. If changes are detected, it updates the internal state and logs a warning message indicating the mode change.

Definition at line 307 of file mips32.c.

References BIT, mips32_common::fp_imp, mips32_common::fpu_enabled, mips32_common::fpu_in_64bit, LOG_WARNING, MIPS32_CP0_STATUS_CU1_SHIFT, MIPS32_CP0_STATUS_FR_SHIFT, and mips32_set_all_fpr_width().

Referenced by mips32_read_core_reg(), and mips32_write_core_reg().

mips32_dsp_enable()

static void mips32_dsp_enable ( struct pracc_queue_info *  ctx, int  isa  )

static

mips32_dsp_enable - Enable access to DSP registers

Parameters

[in]	ctx	Context information for the pracc queue
[in]	isa	Instruction Set Architecture identifier

Enables access to DSP registers by modifying the status register.

This function adds instructions to the context queue for enabling access to DSP registers by modifying the status register.

Definition at line 1725 of file mips32.c.

References mips_ejtag::isa, LOWER16, MIPS32_DSP_ENABLE, MIPS32_ISA_OR, MIPS32_LUI, MIPS32_MFC0, MIPS32_MTC0, MIPS32_ORI, pracc_add(), and UPPER16.

Referenced by mips32_pracc_read_dsp_reg(), and mips32_pracc_write_dsp_reg().

mips32_dsp_find_register_by_name()

static int mips32_dsp_find_register_by_name ( const char *  reg_name )

static

mips32_dsp_find_register_by_name - Find DSP register index by name

Parameters

[in]

reg_name

Name of the DSP register to find

Searches for a DSP register by name and returns its index. If no match is found, it returns MIPS32NUMDSPREGS.

Returns

Index of the found register or MIPS32NUMDSPREGS if not found.

Definition at line 2120 of file mips32.c.

References mips32_dsp_regs, MIPS32NUMDSPREGS, and name.

Referenced by mips32_dsp_get_register(), and mips32_dsp_set_register().

mips32_dsp_get_all_regs()

static int mips32_dsp_get_all_regs ( struct command_invocation *  cmd, struct mips32_common *  mips32  )

static

mips32_dsp_get_all_regs - Get values of all MIPS32 DSP registers

Parameters

[in]	cmd	Command invocation context
[in]	ejtag_info	EJTAG information structure

This function iterates through all DSP registers, reads their values, and prints each register name along with its corresponding value.

Returns

ERROR_OK on success; error code on failure.

Definition at line 2140 of file mips32.c.

References CMD, command_print(), mips32_common::core_cache, mips32_common::core_regs, reg::dirty, mips32_core_regs::dsp, mips32_common::ejtag_info, ERROR_OK, mips32_dsp_regs, mips32_pracc_read_dsp_reg(), MIPS32_REGLIST_DSP_INDEX, MIPS32NUMDSPREGS, name, and reg_cache::reg_list.

Referenced by COMMAND_HANDLER().

mips32_dsp_get_register()

static int mips32_dsp_get_register ( struct command_invocation *  cmd, struct mips32_common *  mips32  )

static

mips32_dsp_get_register - Get the value of a MIPS32 DSP register

Parameters

[in]	cmd	Command invocation context
[in]	ejtag_info	EJTAG information structure

Retrieves the value of a specified MIPS32 DSP register. If the register is found, it reads the register value and prints the result. If the register is not found, it prints an error message.

Returns

ERROR_OK on success; error code on failure.

Definition at line 2168 of file mips32.c.

References CMD, CMD_ARGV, command_print(), mips32_common::core_cache, mips32_common::core_regs, reg::dirty, mips32_core_regs::dsp, mips32_common::ejtag_info, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, mips32_dsp_find_register_by_name(), mips32_pracc_read_dsp_reg(), MIPS32_REGLIST_DSP_INDEX, MIPS32NUMDSPREGS, and reg_cache::reg_list.

Referenced by COMMAND_HANDLER().

mips32_dsp_restore()

static void mips32_dsp_restore ( struct pracc_queue_info *  ctx, int  isa  )

static

mips32_dsp_restore - Restore DSP status registers to the previous setting

Parameters

[in]	ctx	Context information pracc queue
[in]	isa	isa identifier

Restores the DSP status registers to their previous setting.

This function adds instructions to the context queue for restoring the DSP status registers to their values before the operation.

Definition at line 1754 of file mips32.c.

References mips_ejtag::isa, MIPS32_MTC0, MIPS32_NOP, and pracc_add().

Referenced by mips32_pracc_read_dsp_reg(), and mips32_pracc_write_dsp_reg().

mips32_dsp_set_register()

static int mips32_dsp_set_register ( struct command_invocation *  cmd, struct mips32_common *  mips32  )

static

mips32_dsp_set_register - Set the value of a MIPS32 DSP register

Parameters

[in]	cmd	Command invocation context
[in]	ejtag_info	EJTAG information structure

Sets the value of a specified MIPS32 DSP register. If the register is found, it writes provided value to the register. If the register is not found or there is an error in writing the value, it prints an error message.

Returns

ERROR_OK on success; error code on failure.

Definition at line 2206 of file mips32.c.

References CMD, CMD_ARGV, COMMAND_PARSE_NUMBER, command_print(), mips32_common::core_cache, mips32_common::core_regs, reg::dirty, mips32_core_regs::dsp, mips32_common::ejtag_info, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, mips32_dsp_find_register_by_name(), mips32_pracc_write_dsp_reg(), MIPS32_REGLIST_DSP_INDEX, MIPS32NUMDSPREGS, and reg_cache::reg_list.

Referenced by COMMAND_HANDLER().

mips32_enable_interrupts()

int mips32_enable_interrupts	(	struct target *	target,
		int	enable
	)

Definition at line 860 of file mips32.c.

References EJTAG_DCR, EJTAG_DCR_INTE, ERROR_OK, target_read_u32(), and target_write_u32().

Referenced by mips_m4k_internal_restore(), mips_m4k_single_step_core(), and mips_m4k_step().

mips32_examine()

int mips32_examine

(

struct target *

target

)

Definition at line 732 of file mips32.c.

References mips32_common::bp_scanned, ERROR_OK, mips32_common::num_data_bpoints, mips32_common::num_data_bpoints_avail, mips32_common::num_inst_bpoints, mips32_common::num_inst_bpoints_avail, target_set_examined(), target_to_mips32(), and target_was_examined().

Referenced by mips_m4k_examine().

mips32_find_cpu_by_prid()

static const struct cpu_entry* mips32_find_cpu_by_prid ( uint32_t  prid )

static

mips32_find_cpu_by_prid - Find CPU information by processor ID.

Parameters

[in]

prid

Processor ID of the CPU.

This function looks up the CPU entry in the mips32_cpu_entry array based on the provided processor ID. It also handles special cases like AMD/Alchemy CPUs that use Company Options instead of Processor IDs.

Returns

Pointer to the corresponding cpu_entry struct, or the 'unknown' entry if not found.

Definition at line 920 of file mips32.c.

References MIPS32_CORE_MASK, mips32_cpu_entry, MIPS32_NUM_CPU_ENTRIES, cpu_entry::prid, PRID_COMP_ALCHEMY, and PRID_COMP_MASK.

Referenced by mips32_cpu_probe().

mips32_get_core_reg()

static int mips32_get_core_reg ( struct reg *  reg )

static

Definition at line 239 of file mips32.c.

References reg::arch_info, ERROR_TARGET_NOT_HALTED, mips32_core_reg::num, mips32_common::read_core_reg, target::state, mips32_core_reg::target, TARGET_HALTED, and target_to_mips32().

mips32_get_gdb_reg_list()

int mips32_get_gdb_reg_list	(	struct target *	target,
		struct reg **	reg_list[],
		int *	reg_list_size,
		enum target_register_class	reg_class
	)

Definition at line 429 of file mips32.c.

References mips32_common::core_cache, ERROR_OK, MIPS32_NUM_REGS, reg_cache::reg_list, and target_to_mips32().

mips32_init_arch_info()

int mips32_init_arch_info	(	struct target *	target,
		struct mips32_common *	mips32,
		struct jtag_tap *	tap
	)

Definition at line 560 of file mips32.c.

References target::arch_info, mips32_common::bp_scanned, mips32_common::common_magic, mips_ejtag::config_regs, mips32_common::data_break_list, mips32_common::ejtag_info, mips_ejtag::endianness, target::endianness, ERROR_OK, mips32_common::fast_data_area, mips_ejtag::isa, mips32_common::isa_imp, MIPS32_COMMON_MAGIC, MIPS32_ONLY, mips32_read_core_reg(), MIPS32_SCAN_DELAY_LEGACY_MODE, mips32_write_core_reg(), mips_ejtag::mode, NULL, mips32_common::read_core_reg, mips_ejtag::scan_delay, mips_ejtag::tap, TARGET_BIG_ENDIAN, and mips32_common::write_core_reg.

Referenced by mips_m4k_init_arch_info().

mips32_pracc_read_dsp_reg()

static int mips32_pracc_read_dsp_reg ( struct mips_ejtag *  ejtag_info, uint32_t *  val, uint32_t  reg  )

static

mips32_pracc_read_dsp_reg - Read a value from a MIPS32 DSP register

Parameters

[in]	ejtag_info	EJTAG information structure
[out]	val	Pointer to store the read value
[in]	reg	Index of the DSP register to read

Reads the value from the specified MIPS32 DSP register using EJTAG access.

This function initiates a sequence of instructions to read the value from the specified DSP register. It will enable dsp module if its not enabled and restoring the status registers after the read operation.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1774 of file mips32.c.

References pracc_queue_info::code_count, pracc_queue_info::ejtag_info, ERROR_OK, pracc_queue_info::isa, mips_ejtag::isa, LOWER16, pracc_queue_info::max_code, MIPS32_B, mips32_dsp_enable(), MIPS32_DSP_MFHI, MIPS32_DSP_MFLO, MIPS32_DSP_RDDSP, mips32_dsp_restore(), MIPS32_LUI, MIPS32_MFC0, MIPS32_ORI, MIPS32_PRACC_PARAM_OUT, mips32_pracc_queue_exec(), MIPS32_SW, MIPS32_SYNC, NEG16, NULL, pracc_add(), pracc_queue_info::pracc_list, PRACC_OUT_OFFSET, pracc_queue_free(), pracc_queue_init(), PRACC_UPPER_BASE_ADDR, mips_ejtag::reg8, mips_ejtag::reg9, pracc_queue_info::retval, t0, and UPPER16.

Referenced by mips32_dsp_get_all_regs(), and mips32_dsp_get_register().

mips32_pracc_write_dsp_reg()

static int mips32_pracc_write_dsp_reg ( struct mips_ejtag *  ejtag_info, uint32_t  val, uint32_t  reg  )

static

mips32_pracc_write_dsp_reg - Write a value to a MIPS32 DSP register

Parameters

[in]	ejtag_info	EJTAG information structure
[in]	val	Value to be written to the register
[in]	reg	Index of the DSP register to write

Writes the specified value to the specified MIPS32 DSP register.

This function initiates a sequence of instructions to write the given value to the specified DSP register.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1849 of file mips32.c.

References pracc_queue_info::code_count, pracc_queue_info::ejtag_info, ERROR_OK, pracc_queue_info::isa, LOWER16, pracc_queue_info::max_code, MIPS32_B, mips32_dsp_enable(), MIPS32_DSP_MTHI, MIPS32_DSP_MTLO, mips32_dsp_restore(), MIPS32_DSP_WRDSP, MIPS32_LUI, MIPS32_MFC0, MIPS32_NOP, MIPS32_ORI, mips32_pracc_queue_exec(), NEG16, NULL, pracc_add(), pracc_queue_free(), pracc_queue_init(), mips_ejtag::reg8, mips_ejtag::reg9, pracc_queue_info::retval, t0, and UPPER16.

Referenced by mips32_dsp_set_register().

mips32_read_c0_prid()

static int mips32_read_c0_prid ( struct target *  target )

static

Definition at line 895 of file mips32.c.

References mips32_common::ejtag_info, ERROR_OK, LOG_ERROR, mips32_cp0_read(), mips32_common::prid, and target_to_mips32().

Referenced by mips32_cpu_probe().

mips32_read_config_dsp()

static void mips32_read_config_dsp ( struct mips32_common *  mips32, struct mips_ejtag *  ejtag_info  )

static

Definition at line 1051 of file mips32.c.

References BIT, mips_ejtag::config, mips32_common::dsp_imp, ERROR_OK, LOG_ERROR, LOG_USER, MIPS32_C0_STATUS, MIPS32_CONFIG3_DSPP_MASK, MIPS32_CONFIG3_DSPP_SHIFT, MIPS32_CONFIG3_DSPREV_MASK, MIPS32_CONFIG3_DSPREV_SHIFT, mips32_cp0_read(), and MIPS32_CP0_STATUS_MX_SHIFT.

Referenced by COMMAND_HANDLER(), and mips32_read_config_regs().

mips32_read_config_fdc()

static void mips32_read_config_fdc ( struct mips32_common *  mips32, struct mips_ejtag *  ejtag_info, uint32_t  dcr  )

static

mips32_read_config_fdc - Read Fast Debug Channel configuration

Parameters

[in,out]	mips32	MIPS32 common structure
[in]	ejtag_info	EJTAG information structure
[in]	dcr	Device Configuration Register value

Checks if the current target implements the Common Device Memory Map (CDMM) and Fast Debug Channel (FDC).

This function examines the configuration registers and the Device Configuration Register (DCR) to determine if the current MIPS32 target supports the Common Device Memory Map (CDMM) and the Fast Debug Channel (FDC). If supported, it sets the corresponding flags in the MIPS32 common structure.
NOTE:These are defined on MD00090, page 67 and MD00047F, page 82, respectively. MIPS Documents are pretty much all available online, it should pop up first when you search "MDxxxxx"

Definition at line 1143 of file mips32.c.

References mips_ejtag::config, EJTAG_DCR_FDC, mips32_common::fdc, MIPS32_CONFIG3_CDMM_MASK, and mips32_common::semihosting.

Referenced by mips32_read_config_regs().

mips32_read_config_fpu()

static int mips32_read_config_fpu ( struct mips32_common *  mips32, struct mips_ejtag *  ejtag_info  )

static

Definition at line 1073 of file mips32.c.

References BIT, mips_ejtag::config, ERROR_OK, mips32_common::fp_imp, mips32_common::fpu_enabled, mips32_common::fpu_in_64bit, LOG_ERROR, LOG_USER, MIPS32_C0_STATUS, MIPS32_CONFIG1_FP_MASK, MIPS32_CONFIG1_FP_SHIFT, mips32_cp0_read(), MIPS32_CP0_STATUS_CU1_SHIFT, MIPS32_CP0_STATUS_FR_SHIFT, mips32_cp1_control_read(), MIPS32_CP1_FIR_F64_SHIFT, MIPS32_FP_IMP_64, MIPS32_FP_IMP_NONE, MIPS32_FP_IMP_UNKNOWN, and mips32_set_all_fpr_width().

Referenced by COMMAND_HANDLER(), and mips32_read_config_regs().

mips32_read_config_mmu()

static int mips32_read_config_mmu ( struct mips_ejtag *  ejtag_info )

static

mips32_read_config_mmu - Reads MMU configuration and logs relevant information.

Parameters

[in]

ejtag_info

EJTAG interface information.

Reads the MMU configuration from the CP0 register and calculates the number of TLB entries, ways, and sets. Handles different MMU types like VTLB only, root RPU/Fixed, and VTLB and FTLB.

Returns

ERROR_OK on success; error code on failure.

Definition at line 1405 of file mips32.c.

References BIT, mips_ejtag::config, ERROR_OK, LOG_USER, and mips32_cp0_read().

Referenced by COMMAND_HANDLER().

mips32_read_config_regs()

int mips32_read_config_regs

(

struct target *

target

)

Definition at line 1155 of file mips32.c.

References mips_ejtag::config, mips_ejtag::config_regs, EJTAG_DCR, EJTAG_IMP_MIPS16, mips32_common::ejtag_info, ERROR_OK, mips32_common::fp_imp, mips_ejtag::impcode, mips32_common::isa_imp, mips32_common::isa_rel, LOG_DEBUG, LOG_ERROR, LOG_USER, MIPS32_CONFIG0_AR_MASK, MIPS32_CONFIG0_AR_SHIFT, MIPS32_CONFIG3_ISA_MASK, MIPS32_CONFIG3_ISA_SHIFT, mips32_cp0_read(), MIPS32_FP_IMP_NONE, MIPS32_MIPS16, MIPS32_MMIPS32, MIPS32_ONLY, mips32_read_config_dsp(), mips32_read_config_fdc(), mips32_read_config_fpu(), MIPS32_RELEASE_1, MIPS32_RELEASE_2, MIPS32_RELEASE_6, MMIPS32_ONLY, target_read_u32(), and target_to_mips32().

Referenced by mips_m4k_debug_entry().

mips32_read_core_reg()

static int mips32_read_core_reg ( struct target *  target, unsigned int  num  )

static

Definition at line 334 of file mips32.c.

References buf_set_u32(), buf_set_u64(), mips32_common::core_cache, mips32_common::core_regs, mips32_core_regs::cp0, reg::dirty, mips32_core_regs::dsp, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, mips32_core_regs::fpcr, mips32_core_regs::fpr, mips32_core_regs::gpr, LOG_DEBUG, mips32_detect_fpr_mode_change(), MIPS32_NUM_REGS, MIPS32_REG_C0_STATUS_INDEX, MIPS32_REGLIST_C0_INDEX, MIPS32_REGLIST_DSP_INDEX, MIPS32_REGLIST_FP_INDEX, MIPS32_REGLIST_FPC_INDEX, MIPS32_REGLIST_GP_INDEX, reg_cache::reg_list, target_to_mips32(), reg::valid, and reg::value.

Referenced by mips32_init_arch_info().

mips32_restore_context()

int mips32_restore_context

(

struct target *

target

)

Definition at line 468 of file mips32.c.

References mips32_common::core_cache, reg::dirty, MIPS32_NUM_REGS, mips32_pracc_write_regs(), reg_cache::reg_list, target_to_mips32(), and mips32_common::write_core_reg.

Referenced by mips_m4k_internal_restore(), and mips_m4k_step().

mips32_run_algorithm()

int mips32_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
	)

Definition at line 616 of file mips32.c.

References buf_get_u32(), buf_set_u32(), mips32_common::common_magic, mips32_common::core_cache, direction, reg::dirty, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, ERROR_TARGET_INVALID, ERROR_TARGET_NOT_HALTED, mips32_common::isa_mode, mips32_algorithm::isa_mode, LOG_DEBUG, LOG_ERROR, LOG_TARGET_ERROR, MIPS32_COMMON_MAGIC, MIPS32_NUM_REGS, mips32_run_and_wait(), mips32_set_core_reg(), reg::name, PARAM_IN, PARAM_OUT, mips32_common::read_core_reg, reg_cache::reg_list, reg_param::reg_name, register_get_by_name(), reg_param::size, size, reg::size, target::state, TARGET_HALTED, target_read_buffer(), target_to_mips32(), target_write_buffer(), reg::valid, and reg::value.

mips32_run_and_wait()

static int mips32_run_and_wait ( struct target *  target, target_addr_t  entry_point, unsigned int  timeout_ms, target_addr_t  exit_point, struct mips32_common *  mips32  )

static

Definition at line 584 of file mips32.c.

References buf_get_u32(), mips32_common::core_cache, ERROR_OK, ERROR_TARGET_TIMEOUT, LOG_DEBUG, MIPS32_REGLIST_C0_PC_INDEX, reg_cache::reg_list, target::state, target_halt(), TARGET_HALTED, target_resume(), target_wait_state(), and reg::value.

Referenced by mips32_run_algorithm().

mips32_save_context()

int mips32_save_context

(

struct target *

target

)

Definition at line 446 of file mips32.c.

References mips32_common::core_cache, ERROR_OK, LOG_ERROR, MIPS32_NUM_REGS, mips32_pracc_read_regs(), mips32_common::read_core_reg, reg_cache::reg_list, target_to_mips32(), and reg::valid.

Referenced by mips_m4k_debug_entry().

mips32_set_all_fpr_width()

static void mips32_set_all_fpr_width ( struct mips32_common *  mips32, bool  fp64  )

static

mips32_set_all_fpr_width - Set the width of all floating-point registers

Parameters

[in]	mips32	MIPS32 common structure
[in]	fp64	Flag indicating whether to set the width to 64 bits (double precision)

Sets the width of all floating-point registers based on the specified flag.

Definition at line 286 of file mips32.c.

References mips32_common::core_cache, MIPS32_REG_FP_COUNT, MIPS32_REGLIST_FP_INDEX, reg::reg_data_type, reg_cache::reg_list, REG_TYPE_IEEE_DOUBLE, REG_TYPE_IEEE_SINGLE, reg::size, and reg_data_type::type.

Referenced by mips32_detect_fpr_mode_change(), and mips32_read_config_fpu().

mips32_set_core_reg()

static int mips32_set_core_reg ( struct reg *  reg, uint8_t *  buf  )

static

Definition at line 254 of file mips32.c.

References reg::arch_info, buf_get_u32(), buf_get_u64(), buf_set_u32(), buf_set_u64(), reg::dirty, ERROR_OK, ERROR_TARGET_NOT_HALTED, reg::size, target::state, mips32_core_reg::target, TARGET_HALTED, reg::valid, and reg::value.

Referenced by mips32_run_algorithm().

mips32_verify_pointer()

static int mips32_verify_pointer ( struct command_invocation *  cmd, struct mips32_common *  mips32  )

static

Definition at line 1386 of file mips32.c.

References cmd, command_print(), mips32_common::common_magic, ERROR_OK, ERROR_TARGET_INVALID, and MIPS32_COMMON_MAGIC.

Referenced by COMMAND_HANDLER().

mips32_write_core_reg()

static int mips32_write_core_reg ( struct target *  target, unsigned int  num  )

static

Definition at line 382 of file mips32.c.

References buf_get_u32(), buf_get_u64(), mips32_common::core_cache, mips32_common::core_regs, mips32_core_regs::cp0, reg::dirty, mips32_core_regs::dsp, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, mips32_core_regs::fpcr, mips32_core_regs::fpr, mips32_core_regs::gpr, LOG_DEBUG, mips32_detect_fpr_mode_change(), MIPS32_NUM_REGS, MIPS32_REG_C0_STATUS_INDEX, MIPS32_REGLIST_C0_INDEX, MIPS32_REGLIST_DSP_INDEX, MIPS32_REGLIST_FP_INDEX, MIPS32_REGLIST_FPC_INDEX, MIPS32_REGLIST_GP_INDEX, reg_cache::reg_list, target_to_mips32(), reg::valid, and reg::value.

Referenced by mips32_init_arch_info().

Variable Documentation

feature

const char* feature

Definition at line 41 of file mips32.c.

Referenced by mips32_build_reg_cache().

group

const char* group

Definition at line 40 of file mips32.c.

id

unsigned int id

Definition at line 37 of file mips32.c.

mips32_command_handlers

const struct command_registration mips32_command_handlers[]

Initial value:

= {
    {
        .name = "mips32",
        .mode = COMMAND_ANY,
        .help = "mips32 command group",
        .usage = "",
        .chain = mips32_exec_command_handlers,
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 2351 of file mips32.c.

const { ... } mips32_dsp_regs[MIPS32NUMDSPREGS]

Initial value:

= {
    { "hi1"},
    { "lo1"},
    { "hi2"},
    { "lo2"},
    { "hi3"},
    { "lo3"},
    { "control"},
}

Referenced by mips32_dsp_find_register_by_name(), and mips32_dsp_get_all_regs().

mips32_exec_command_handlers

const struct command_registration mips32_exec_command_handlers[]

static

Definition at line 2351 of file mips32.c.

mips32_reg_type

const struct reg_arch_type mips32_reg_type

static

Initial value:

= {
    .get = mips32_get_core_reg,
    .set = mips32_set_core_reg,
}

Definition at line 484 of file mips32.c.

Referenced by mips32_build_reg_cache().

const { ... } mips32_regs[]

Referenced by mips32_build_reg_cache().

mips_isa_strings

const char* mips_isa_strings[]

static

Initial value:

= {
    "MIPS32", "MIPS16", "", "MICRO MIPS32",
}

Definition at line 26 of file mips32.c.

Referenced by mips32_arch_state().

name

const char* name

Definition at line 38 of file mips32.c.

Referenced by COMMAND_HANDLER(), mips32_cp0_find_register_by_name(), mips32_cp0_get_all_regs(), mips32_dsp_find_register_by_name(), and mips32_dsp_get_all_regs().

size

int size

Definition at line 42 of file mips32.c.

Referenced by mips32_blank_check_memory(), and mips32_run_algorithm().

type

enum reg_type type

Definition at line 38 of file mips32.c.