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riscv-openocd/src/target/nds32_v2.c

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/***************************************************************************
* Copyright (C) 2013 Andes Technology *
* Hsiangkai Wang <hkwang@andestech.com> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <helper/time_support.h>
#include <helper/binarybuffer.h>
#include "breakpoints.h"
#include "nds32_insn.h"
#include "nds32_reg.h"
#include "nds32_edm.h"
#include "nds32_cmd.h"
#include "nds32_v2.h"
#include "nds32_aice.h"
#include "target_type.h"
static int nds32_v2_register_mapping(struct nds32 *nds32, int reg_no)
{
uint32_t max_level = nds32->max_interrupt_level;
uint32_t cur_level = nds32->current_interrupt_level;
if ((1 <= cur_level) && (cur_level < max_level)) {
if (IR0 == reg_no) {
LOG_DEBUG("Map PSW to IPSW");
return IR1;
} else if (PC == reg_no) {
LOG_DEBUG("Map PC to IPC");
return IR9;
}
} else if ((2 <= cur_level) && (cur_level < max_level)) {
if (R26 == reg_no) {
LOG_DEBUG("Mapping P0 to P_P0");
return IR12;
} else if (R27 == reg_no) {
LOG_DEBUG("Mapping P1 to P_P1");
return IR13;
} else if (IR1 == reg_no) {
LOG_DEBUG("Mapping IPSW to P_IPSW");
return IR2;
} else if (IR4 == reg_no) {
LOG_DEBUG("Mapping EVA to P_EVA");
return IR5;
} else if (IR6 == reg_no) {
LOG_DEBUG("Mapping ITYPE to P_ITYPE");
return IR7;
} else if (IR9 == reg_no) {
LOG_DEBUG("Mapping IPC to P_IPC");
return IR10;
}
} else if (cur_level == max_level) {
if (PC == reg_no) {
LOG_DEBUG("Mapping PC to O_IPC");
return IR11;
}
}
return reg_no;
}
static int nds32_v2_get_debug_reason(struct nds32 *nds32, uint32_t *reason)
{
uint32_t val_itype;
struct aice_port_s *aice = target_to_aice(nds32->target);
aice_read_register(aice, IR6, &val_itype);
*reason = val_itype & 0x0F;
return ERROR_OK;
}
static int nds32_v2_activate_hardware_breakpoint(struct target *target)
{
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
struct aice_port_s *aice = target_to_aice(target);
struct breakpoint *bp;
int32_t hbr_index = 0;
for (bp = target->breakpoints; bp; bp = bp->next) {
if (bp->type == BKPT_SOFT) {
/* already set at nds32_v2_add_breakpoint() */
continue;
} else if (bp->type == BKPT_HARD) {
/* set address */
aice_write_debug_reg(aice, NDS_EDM_SR_BPA0 + hbr_index, bp->address);
/* set mask */
aice_write_debug_reg(aice, NDS_EDM_SR_BPAM0 + hbr_index, 0);
/* set value */
aice_write_debug_reg(aice, NDS_EDM_SR_BPV0 + hbr_index, 0);
if (nds32_v2->nds32.memory.address_translation)
/* enable breakpoint (virtual address) */
aice_write_debug_reg(aice, NDS_EDM_SR_BPC0 + hbr_index, 0x2);
else
/* enable breakpoint (physical address) */
aice_write_debug_reg(aice, NDS_EDM_SR_BPC0 + hbr_index, 0xA);
LOG_DEBUG("Add hardware BP %" PRId32 " at %08" TARGET_PRIxADDR, hbr_index,
bp->address);
hbr_index++;
} else {
return ERROR_FAIL;
}
}
return ERROR_OK;
}
static int nds32_v2_deactivate_hardware_breakpoint(struct target *target)
{
struct aice_port_s *aice = target_to_aice(target);
struct breakpoint *bp;
int32_t hbr_index = 0;
for (bp = target->breakpoints; bp; bp = bp->next) {
if (bp->type == BKPT_SOFT)
continue;
else if (bp->type == BKPT_HARD)
/* disable breakpoint */
aice_write_debug_reg(aice, NDS_EDM_SR_BPC0 + hbr_index, 0x0);
else
return ERROR_FAIL;
LOG_DEBUG("Remove hardware BP %" PRId32 " at %08" TARGET_PRIxADDR, hbr_index,
bp->address);
hbr_index++;
}
return ERROR_OK;
}
static int nds32_v2_activate_hardware_watchpoint(struct target *target)
{
struct aice_port_s *aice = target_to_aice(target);
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
struct watchpoint *wp;
int32_t wp_num = nds32_v2->next_hbr_index;
uint32_t wp_config = 0;
for (wp = target->watchpoints; wp; wp = wp->next) {
wp_num--;
wp->mask = wp->length - 1;
if ((wp->address % wp->length) != 0)
wp->mask = (wp->mask << 1) + 1;
if (wp->rw == WPT_READ)
wp_config = 0x3;
else if (wp->rw == WPT_WRITE)
wp_config = 0x5;
else if (wp->rw == WPT_ACCESS)
wp_config = 0x7;
/* set/unset physical address bit of BPCn according to PSW.DT */
if (nds32_v2->nds32.memory.address_translation == false)
wp_config |= 0x8;
/* set address */
aice_write_debug_reg(aice, NDS_EDM_SR_BPA0 + wp_num,
wp->address - (wp->address % wp->length));
/* set mask */
aice_write_debug_reg(aice, NDS_EDM_SR_BPAM0 + wp_num, wp->mask);
/* enable watchpoint */
aice_write_debug_reg(aice, NDS_EDM_SR_BPC0 + wp_num, wp_config);
/* set value */
aice_write_debug_reg(aice, NDS_EDM_SR_BPV0 + wp_num, 0);
LOG_DEBUG("Add hardware watchpoint %" PRId32 " at %08" TARGET_PRIxADDR " mask %08" PRIx32, wp_num,
wp->address, wp->mask);
}
return ERROR_OK;
}
static int nds32_v2_deactivate_hardware_watchpoint(struct target *target)
{
struct aice_port_s *aice = target_to_aice(target);
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
int32_t wp_num = nds32_v2->next_hbr_index;
struct watchpoint *wp;
for (wp = target->watchpoints; wp; wp = wp->next) {
wp_num--;
/* disable watchpoint */
aice_write_debug_reg(aice, NDS_EDM_SR_BPC0 + wp_num, 0x0);
LOG_DEBUG("Remove hardware watchpoint %" PRId32 " at %08" TARGET_PRIxADDR " mask %08" PRIx32,
wp_num, wp->address, wp->mask);
}
return ERROR_OK;
}
static int nds32_v2_check_interrupt_stack(struct nds32_v2_common *nds32_v2)
{
struct nds32 *nds32 = &(nds32_v2->nds32);
struct aice_port_s *aice = target_to_aice(nds32->target);
uint32_t val_ir0;
uint32_t val_ir1;
uint32_t val_ir2;
uint32_t modified_psw;
/* Save interrupt level */
aice_read_register(aice, IR0, &val_ir0); /* get $IR0 directly */
/* backup $IR0 */
nds32_v2->backup_ir0 = val_ir0;
nds32->current_interrupt_level = (val_ir0 >> 1) & 0x3;
if (nds32_reach_max_interrupt_level(nds32)) {
LOG_ERROR("<-- TARGET ERROR! Reaching the max interrupt stack level %" PRIu32 ". -->",
nds32->current_interrupt_level);
/* decrease interrupt level */
modified_psw = val_ir0 - 0x2;
/* disable GIE, IT, DT, HSS */
modified_psw &= (~0x8C1);
aice_write_register(aice, IR0, modified_psw);
return ERROR_OK;
}
/* There is a case that single step also trigger another interrupt,
then HSS bit in psw(ir0) will push to ipsw(ir1).
Then hit debug interrupt HSS bit in ipsw(ir1) will push to (p_ipsw)ir2
Therefore, HSS bit in p_ipsw(ir2) also need clear.
Only update $ir2 as current interrupt level is 2, because $ir2 will be random
value if the target never reaches interrupt level 2. */
if ((nds32->max_interrupt_level == 3) && (nds32->current_interrupt_level == 2)) {
aice_read_register(aice, IR2, &val_ir2); /* get $IR2 directly */
val_ir2 &= ~(0x01 << 11);
aice_write_register(aice, IR2, val_ir2);
}
/* get origianl DT bit and set to current state let debugger has same memory view
PSW.IT MUST be turned off. Otherwise, DIM could not operate normally. */
aice_read_register(aice, IR1, &val_ir1);
modified_psw = val_ir0 | (val_ir1 & 0x80);
aice_write_register(aice, IR0, modified_psw);
return ERROR_OK;
}
static int nds32_v2_restore_interrupt_stack(struct nds32_v2_common *nds32_v2)
{
struct nds32 *nds32 = &(nds32_v2->nds32);
struct aice_port_s *aice = target_to_aice(nds32->target);
/* restore origin $IR0 */
aice_write_register(aice, IR0, nds32_v2->backup_ir0);
return ERROR_OK;
}
/**
* Save processor state. This is called after a HALT instruction
* succeeds, and on other occasions the processor enters debug mode
* (breakpoint, watchpoint, etc).
*/
static int nds32_v2_debug_entry(struct nds32 *nds32, bool enable_watchpoint)
{
LOG_DEBUG("nds32_v2_debug_entry");
if (nds32->virtual_hosting)
LOG_WARNING("<-- TARGET WARNING! Virtual hosting is not supported "
"under V1/V2 architecture. -->");
enum target_state backup_state = nds32->target->state;
nds32->target->state = TARGET_HALTED;
if (nds32->init_arch_info_after_halted == false) {
/* init architecture info according to config registers */
CHECK_RETVAL(nds32_config(nds32));
nds32->init_arch_info_after_halted = true;
}
/* REVISIT entire cache should already be invalid !!! */
register_cache_invalidate(nds32->core_cache);
/* deactivate all hardware breakpoints */
CHECK_RETVAL(nds32_v2_deactivate_hardware_breakpoint(nds32->target));
if (enable_watchpoint)
CHECK_RETVAL(nds32_v2_deactivate_hardware_watchpoint(nds32->target));
if (ERROR_OK != nds32_examine_debug_reason(nds32)) {
nds32->target->state = backup_state;
/* re-activate all hardware breakpoints & watchpoints */
CHECK_RETVAL(nds32_v2_activate_hardware_breakpoint(nds32->target));
if (enable_watchpoint) {
/* activate all watchpoints */
CHECK_RETVAL(nds32_v2_activate_hardware_watchpoint(nds32->target));
}
return ERROR_FAIL;
}
/* check interrupt level before .full_context(), because
* get_mapped_reg() in nds32_full_context() needs current_interrupt_level
* information */
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(nds32->target);
nds32_v2_check_interrupt_stack(nds32_v2);
/* Save registers. */
nds32_full_context(nds32);
return ERROR_OK;
}
/* target request support */
static int nds32_v2_target_request_data(struct target *target,
uint32_t size, uint8_t *buffer)
{
/* AndesCore could use DTR register to communicate with OpenOCD
* to output messages
* Target data will be put in buffer
* The format of DTR is as follow
* DTR[31:16] => length, DTR[15:8] => size, DTR[7:0] => target_req_cmd
* target_req_cmd has three possible values:
* TARGET_REQ_TRACEMSG
* TARGET_REQ_DEBUGMSG
* TARGET_REQ_DEBUGCHAR
* if size == 0, target will call target_asciimsg(),
* else call target_hexmsg()
*/
LOG_WARNING("Not implemented: %s", __func__);
return ERROR_OK;
}
/**
* Restore processor state.
*/
static int nds32_v2_leave_debug_state(struct nds32 *nds32, bool enable_watchpoint)
{
LOG_DEBUG("nds32_v2_leave_debug_state");
struct target *target = nds32->target;
/* activate all hardware breakpoints */
CHECK_RETVAL(nds32_v2_activate_hardware_breakpoint(nds32->target));
if (enable_watchpoint) {
/* activate all watchpoints */
CHECK_RETVAL(nds32_v2_activate_hardware_watchpoint(nds32->target));
}
/* restore interrupt stack */
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(nds32->target);
nds32_v2_restore_interrupt_stack(nds32_v2);
/* restore PSW, PC, and R0 ... after flushing any modified
* registers.
*/
CHECK_RETVAL(nds32_restore_context(target));
register_cache_invalidate(nds32->core_cache);
return ERROR_OK;
}
static int nds32_v2_deassert_reset(struct target *target)
{
int retval;
CHECK_RETVAL(nds32_poll(target));
if (target->state != TARGET_HALTED) {
/* reset only */
LOG_WARNING("%s: ran after reset and before halt ...",
target_name(target));
retval = target_halt(target);
if (retval != ERROR_OK)
return retval;
}
return ERROR_OK;
}
static int nds32_v2_checksum_memory(struct target *target,
target_addr_t address, uint32_t count, uint32_t *checksum)
{
LOG_WARNING("Not implemented: %s", __func__);
return ERROR_FAIL;
}
static int nds32_v2_add_breakpoint(struct target *target,
struct breakpoint *breakpoint)
{
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
struct nds32 *nds32 = &(nds32_v2->nds32);
int result;
if (breakpoint->type == BKPT_HARD) {
/* check hardware resource */
if (nds32_v2->n_hbr <= nds32_v2->next_hbr_index) {
LOG_WARNING("<-- TARGET WARNING! Insert too many hardware "
"breakpoints/watchpoints! The limit of "
"combined hardware breakpoints/watchpoints "
"is %" PRId32 ". -->", nds32_v2->n_hbr);
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
/* update next place to put hardware breakpoint */
nds32_v2->next_hbr_index++;
/* hardware breakpoint insertion occurs before 'continue' actually */
return ERROR_OK;
} else if (breakpoint->type == BKPT_SOFT) {
result = nds32_add_software_breakpoint(target, breakpoint);
if (ERROR_OK != result) {
/* auto convert to hardware breakpoint if failed */
if (nds32->auto_convert_hw_bp) {
/* convert to hardware breakpoint */
breakpoint->type = BKPT_HARD;
return nds32_v2_add_breakpoint(target, breakpoint);
}
}
return result;
} else /* unrecognized breakpoint type */
return ERROR_FAIL;
return ERROR_OK;
}
static int nds32_v2_remove_breakpoint(struct target *target,
struct breakpoint *breakpoint)
{
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
if (breakpoint->type == BKPT_HARD) {
if (nds32_v2->next_hbr_index <= 0)
return ERROR_FAIL;
/* update next place to put hardware breakpoint */
nds32_v2->next_hbr_index--;
/* hardware breakpoint removal occurs after 'halted' actually */
return ERROR_OK;
} else if (breakpoint->type == BKPT_SOFT) {
return nds32_remove_software_breakpoint(target, breakpoint);
} else /* unrecognized breakpoint type */
return ERROR_FAIL;
return ERROR_OK;
}
static int nds32_v2_add_watchpoint(struct target *target,
struct watchpoint *watchpoint)
{
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
/* check hardware resource */
if (nds32_v2->n_hbr <= nds32_v2->next_hbr_index) {
LOG_WARNING("<-- TARGET WARNING! Insert too many hardware "
"breakpoints/watchpoints! The limit of "
"combined hardware breakpoints/watchpoints is %" PRId32 ". -->", nds32_v2->n_hbr);
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
/* update next place to put hardware watchpoint */
nds32_v2->next_hbr_index++;
return ERROR_OK;
}
static int nds32_v2_remove_watchpoint(struct target *target,
struct watchpoint *watchpoint)
{
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
if (nds32_v2->next_hbr_index <= 0)
return ERROR_FAIL;
/* update next place to put hardware breakpoint */
nds32_v2->next_hbr_index--;
return ERROR_OK;
}
static int nds32_v2_get_exception_address(struct nds32 *nds32,
uint32_t *address, uint32_t reason)
{
struct aice_port_s *aice = target_to_aice(nds32->target);
aice_read_register(aice, IR4, address); /* read $EVA directly */
/* TODO: hit multiple watchpoints */
return ERROR_OK;
}
/**
* find out which watchpoint hits
* get exception address and compare the address to watchpoints
*/
static int nds32_v2_hit_watchpoint(struct target *target,
struct watchpoint **hit_watchpoint)
{
uint32_t exception_address;
struct watchpoint *wp;
static struct watchpoint scan_all_watchpoint;
struct nds32 *nds32 = target_to_nds32(target);
scan_all_watchpoint.address = 0;
scan_all_watchpoint.rw = WPT_WRITE;
scan_all_watchpoint.next = 0;
scan_all_watchpoint.unique_id = 0x5CA8;
exception_address = nds32->watched_address;
if (exception_address == 0) {
/* send watch:0 to tell GDB to do software scan for hitting multiple watchpoints */
*hit_watchpoint = &scan_all_watchpoint;
return ERROR_OK;
}
for (wp = target->watchpoints; wp; wp = wp->next) {
if (((exception_address ^ wp->address) & (~wp->mask)) == 0) {
/* TODO: dispel false match */
*hit_watchpoint = wp;
return ERROR_OK;
}
}
return ERROR_FAIL;
}
static int nds32_v2_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,
int timeout_ms,
void *arch_info)
{
LOG_WARNING("Not implemented: %s", __func__);
return ERROR_FAIL;
}
static int nds32_v2_target_create(struct target *target, Jim_Interp *interp)
{
struct nds32_v2_common *nds32_v2;
nds32_v2 = calloc(1, sizeof(*nds32_v2));
if (!nds32_v2)
return ERROR_FAIL;
nds32_v2->nds32.register_map = nds32_v2_register_mapping;
nds32_v2->nds32.get_debug_reason = nds32_v2_get_debug_reason;
nds32_v2->nds32.enter_debug_state = nds32_v2_debug_entry;
nds32_v2->nds32.leave_debug_state = nds32_v2_leave_debug_state;
nds32_v2->nds32.get_watched_address = nds32_v2_get_exception_address;
nds32_init_arch_info(target, &(nds32_v2->nds32));
return ERROR_OK;
}
static int nds32_v2_init_target(struct command_context *cmd_ctx,
struct target *target)
{
/* Initialize anything we can set up without talking to the target */
struct nds32 *nds32 = target_to_nds32(target);
nds32_init(nds32);
return ERROR_OK;
}
/* talk to the target and set things up */
static int nds32_v2_examine(struct target *target)
{
struct nds32_v2_common *nds32_v2 = target_to_nds32_v2(target);
struct nds32 *nds32 = &(nds32_v2->nds32);
struct aice_port_s *aice = target_to_aice(target);
if (!target_was_examined(target)) {
CHECK_RETVAL(nds32_edm_config(nds32));
if (nds32->reset_halt_as_examine)
CHECK_RETVAL(nds32_reset_halt(nds32));
}
uint32_t edm_cfg;
aice_read_debug_reg(aice, NDS_EDM_SR_EDM_CFG, &edm_cfg);
/* get the number of hardware breakpoints */
nds32_v2->n_hbr = (edm_cfg & 0x7) + 1;
nds32_v2->next_hbr_index = 0;
LOG_INFO("%s: total hardware breakpoint %" PRId32, target_name(target),
nds32_v2->n_hbr);
nds32->target->state = TARGET_RUNNING;
nds32->target->debug_reason = DBG_REASON_NOTHALTED;
target_set_examined(target);
return ERROR_OK;
}
static int nds32_v2_translate_address(struct target *target, target_addr_t *address)
{
struct nds32 *nds32 = target_to_nds32(target);
struct nds32_memory *memory = &(nds32->memory);
target_addr_t physical_address;
/* Following conditions need to do address translation
* 1. BUS mode
* 2. CPU mode under maximum interrupt level */
if ((NDS_MEMORY_ACC_BUS == memory->access_channel) ||
((NDS_MEMORY_ACC_CPU == memory->access_channel) &&
nds32_reach_max_interrupt_level(nds32))) {
if (ERROR_OK == target->type->virt2phys(target, *address, &physical_address))
*address = physical_address;
else
return ERROR_FAIL;
}
return ERROR_OK;
}
static int nds32_v2_read_buffer(struct target *target, target_addr_t address,
uint32_t size, uint8_t *buffer)
{
struct nds32 *nds32 = target_to_nds32(target);
struct nds32_memory *memory = &(nds32->memory);
if ((NDS_MEMORY_ACC_CPU == memory->access_channel) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
nds32_v2_translate_address(target, &address);
return nds32_read_buffer(target, address, size, buffer);
}
static int nds32_v2_write_buffer(struct target *target, target_addr_t address,
uint32_t size, const uint8_t *buffer)
{
struct nds32 *nds32 = target_to_nds32(target);
struct nds32_memory *memory = &(nds32->memory);
if ((NDS_MEMORY_ACC_CPU == memory->access_channel) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
nds32_v2_translate_address(target, &address);
return nds32_write_buffer(target, address, size, buffer);
}
static int nds32_v2_read_memory(struct target *target, target_addr_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{
struct nds32 *nds32 = target_to_nds32(target);
struct nds32_memory *memory = &(nds32->memory);
if ((NDS_MEMORY_ACC_CPU == memory->access_channel) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
nds32_v2_translate_address(target, &address);
return nds32_read_memory(target, address, size, count, buffer);
}
static int nds32_v2_write_memory(struct target *target, target_addr_t address,
uint32_t size, uint32_t count, const uint8_t *buffer)
{
struct nds32 *nds32 = target_to_nds32(target);
struct nds32_memory *memory = &(nds32->memory);
if ((NDS_MEMORY_ACC_CPU == memory->access_channel) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
nds32_v2_translate_address(target, &address);
return nds32_write_memory(target, address, size, count, buffer);
}
/** Holds methods for V2 targets. */
struct target_type nds32_v2_target = {
.name = "nds32_v2",
.poll = nds32_poll,
.arch_state = nds32_arch_state,
.target_request_data = nds32_v2_target_request_data,
.halt = nds32_halt,
.resume = nds32_resume,
.step = nds32_step,
.assert_reset = nds32_assert_reset,
.deassert_reset = nds32_v2_deassert_reset,
/* register access */
.get_gdb_reg_list = nds32_get_gdb_reg_list,
/* memory access */
.read_buffer = nds32_v2_read_buffer,
.write_buffer = nds32_v2_write_buffer,
.read_memory = nds32_v2_read_memory,
.write_memory = nds32_v2_write_memory,
.checksum_memory = nds32_v2_checksum_memory,
/* breakpoint/watchpoint */
.add_breakpoint = nds32_v2_add_breakpoint,
.remove_breakpoint = nds32_v2_remove_breakpoint,
.add_watchpoint = nds32_v2_add_watchpoint,
.remove_watchpoint = nds32_v2_remove_watchpoint,
.hit_watchpoint = nds32_v2_hit_watchpoint,
/* MMU */
.mmu = nds32_mmu,
.virt2phys = nds32_virtual_to_physical,
.read_phys_memory = nds32_read_phys_memory,
.write_phys_memory = nds32_write_phys_memory,
.run_algorithm = nds32_v2_run_algorithm,
.commands = nds32_command_handlers,
.target_create = nds32_v2_target_create,
.init_target = nds32_v2_init_target,
.examine = nds32_v2_examine,
};
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