+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* 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, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "nds32_aice.h"
#include "nds32_v3_common.h"
-static struct breakpoint syscall_breakpoint = {
- 0x80,
- 0,
- 4,
- BKPT_SOFT,
- 0,
- NULL,
- NULL,
- 0x515CA11,
- 0,
-};
-
static struct nds32_v3_common_callback *v3_common_callback;
static int nds32_v3_register_mapping(struct nds32 *nds32, int reg_no)
{
LOG_DEBUG("nds32_v3_debug_entry");
- jtag_poll_set_enabled(false);
-
enum target_state backup_state = nds32->target->state;
nds32->target->state = TARGET_HALTED;
if (enable_watchpoint)
CHECK_RETVAL(v3_common_callback->deactivate_hardware_watchpoint(nds32->target));
+ struct breakpoint *syscall_break = &(nds32->syscall_break);
if (nds32->virtual_hosting) {
- if (syscall_breakpoint.set) {
+ if (syscall_break->is_set) {
/** disable virtual hosting */
/* remove breakpoint at syscall entry */
- target_remove_breakpoint(nds32->target, &syscall_breakpoint);
- syscall_breakpoint.set = 0;
+ target_remove_breakpoint(nds32->target, syscall_break);
+ syscall_break->is_set = false;
uint32_t value_pc;
nds32_get_mapped_reg(nds32, PC, &value_pc);
- if (value_pc == syscall_breakpoint.address)
+ if (value_pc == syscall_break->address)
/** process syscall for virtual hosting */
nds32->hit_syscall = true;
}
}
- if (ERROR_OK != nds32_examine_debug_reason(nds32)) {
+ if (nds32_examine_debug_reason(nds32) != ERROR_OK) {
nds32->target->state = backup_state;
/* re-activate all hardware breakpoints & watchpoints */
if (enable_watchpoint)
CHECK_RETVAL(v3_common_callback->activate_hardware_watchpoint(nds32->target));
- jtag_poll_set_enabled(true);
-
return ERROR_FAIL;
}
}
/* insert breakpoint at syscall entry */
- syscall_breakpoint.address = syscall_address;
- syscall_breakpoint.type = BKPT_SOFT;
- syscall_breakpoint.set = 1;
- target_add_breakpoint(target, &syscall_breakpoint);
- }
+ struct breakpoint *syscall_break = &(nds32->syscall_break);
- /* enable polling */
- jtag_poll_set_enabled(true);
+ syscall_break->address = syscall_address;
+ syscall_break->type = BKPT_SOFT;
+ syscall_break->is_set = true;
+ target_add_breakpoint(target, syscall_break);
+ }
return ERROR_OK;
}
uint32_t match_count;
int32_t i;
static int32_t number_of_hard_break;
+ uint32_t bp_control;
if (number_of_hard_break == 0) {
aice_read_debug_reg(aice, NDS_EDM_SR_EDM_CFG, &edm_cfg);
if (match_bits & (1 << i)) {
aice_read_debug_reg(aice, NDS_EDM_SR_BPA0 + i, address);
match_count++;
+
+ /* If target hits multiple read/access watchpoint,
+ * select the first one. */
+ aice_read_debug_reg(aice, NDS_EDM_SR_BPC0 + i, &bp_control);
+ if (0x3 == (bp_control & 0x3)) {
+ match_count = 1;
+ break;
+ }
}
}
nds32_get_mapped_reg(nds32, PC, &val_pc);
- if ((NDS32_DEBUG_DATA_ADDR_WATCHPOINT_NEXT_PRECISE == reason) ||
- (NDS32_DEBUG_DATA_VALUE_WATCHPOINT_NEXT_PRECISE == reason)) {
+ if ((reason == NDS32_DEBUG_DATA_ADDR_WATCHPOINT_NEXT_PRECISE) ||
+ (reason == NDS32_DEBUG_DATA_VALUE_WATCHPOINT_NEXT_PRECISE)) {
if (edmsw & 0x4) /* check EDMSW.IS_16BIT */
val_pc -= 2;
else
nds32_read_opcode(nds32, val_pc, &opcode);
nds32_evaluate_opcode(nds32, opcode, val_pc, &instruction);
- LOG_DEBUG("PC: 0x%08x, access start: 0x%08x, end: 0x%08x", val_pc,
- instruction.access_start, instruction.access_end);
+ LOG_DEBUG("PC: 0x%08" PRIx32 ", access start: 0x%08" PRIx32 ", end: 0x%08" PRIx32,
+ val_pc, instruction.access_start, instruction.access_end);
/* check if multiple hits in the access range */
uint32_t in_range_watch_count = 0;
return ERROR_FAIL;
} else if (match_count == 0) {
/* global stop is precise exception */
- if ((NDS32_DEBUG_LOAD_STORE_GLOBAL_STOP == reason) && nds32->global_stop) {
+ if ((reason == NDS32_DEBUG_LOAD_STORE_GLOBAL_STOP) && nds32->global_stop) {
/* parse instruction to get correct access address */
uint32_t val_pc;
uint32_t opcode;
return ERROR_OK;
}
-int nds32_v3_soft_reset_halt(struct target *target)
-{
- struct aice_port_s *aice = target_to_aice(target);
- return aice_assert_srst(aice, AICE_RESET_HOLD);
-}
-
int nds32_v3_checksum_memory(struct target *target,
- uint32_t address, uint32_t count, uint32_t *checksum)
+ target_addr_t address, uint32_t count, uint32_t *checksum)
{
LOG_WARNING("Not implemented: %s", __func__);
struct mem_param *mem_params,
int num_reg_params,
struct reg_param *reg_params,
- uint32_t entry_point,
- uint32_t exit_point,
+ target_addr_t entry_point,
+ target_addr_t exit_point,
int timeout_ms,
void *arch_info)
{
return ERROR_FAIL;
}
-int nds32_v3_read_buffer(struct target *target, uint32_t address,
+int nds32_v3_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) &&
+ if ((memory->access_channel == NDS_MEMORY_ACC_CPU) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
- uint32_t physical_address;
+ target_addr_t physical_address;
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
* Because hardware will turn off IT/DT by default, it MUST translate virtual address
* to physical address.
*/
- if (ERROR_OK == target->type->virt2phys(target, address, &physical_address))
+ if (target->type->virt2phys(target, address, &physical_address) == ERROR_OK)
address = physical_address;
else
return ERROR_FAIL;
return result;
}
-int nds32_v3_write_buffer(struct target *target, uint32_t address,
+int nds32_v3_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) &&
+ if ((memory->access_channel == NDS_MEMORY_ACC_CPU) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
- uint32_t physical_address;
+ target_addr_t physical_address;
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
* Because hardware will turn off IT/DT by default, it MUST translate virtual address
* to physical address.
*/
- if (ERROR_OK == target->type->virt2phys(target, address, &physical_address))
+ if (target->type->virt2phys(target, address, &physical_address) == ERROR_OK)
address = physical_address;
else
return ERROR_FAIL;
if (nds32->hit_syscall) {
- /* Use bus mode to access memory during virtual hosting */
struct aice_port_s *aice = target_to_aice(target);
enum nds_memory_access origin_access_channel;
- int result;
-
origin_access_channel = memory->access_channel;
- memory->access_channel = NDS_MEMORY_ACC_BUS;
- aice_memory_access(aice, NDS_MEMORY_ACC_BUS);
+ /* If target has no cache, use BUS mode to access memory. */
+ if ((memory->dcache.line_size == 0)
+ || (memory->dcache.enable == false)) {
+ /* There is no Dcache or Dcache is disabled. */
+ memory->access_channel = NDS_MEMORY_ACC_BUS;
+ aice_memory_access(aice, NDS_MEMORY_ACC_BUS);
+ }
+
+ int result;
result = nds32_gdb_fileio_write_memory(nds32, address, size, buffer);
- memory->access_channel = origin_access_channel;
- aice_memory_access(aice, origin_access_channel);
+ if (origin_access_channel == NDS_MEMORY_ACC_CPU) {
+ memory->access_channel = NDS_MEMORY_ACC_CPU;
+ aice_memory_access(aice, NDS_MEMORY_ACC_CPU);
+ }
return result;
}
return nds32_write_buffer(target, address, size, buffer);
}
-int nds32_v3_read_memory(struct target *target, uint32_t address,
+int nds32_v3_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) &&
+ if ((memory->access_channel == NDS_MEMORY_ACC_CPU) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
- uint32_t physical_address;
+ target_addr_t physical_address;
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
* Because hardware will turn off IT/DT by default, it MUST translate virtual address
* to physical address.
*/
- if (ERROR_OK == target->type->virt2phys(target, address, &physical_address))
+ if (target->type->virt2phys(target, address, &physical_address) == ERROR_OK)
address = physical_address;
else
return ERROR_FAIL;
return result;
}
-int nds32_v3_write_memory(struct target *target, uint32_t address,
+int nds32_v3_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) &&
+ if ((memory->access_channel == NDS_MEMORY_ACC_CPU) &&
(target->state != TARGET_HALTED)) {
LOG_WARNING("target was not halted");
return ERROR_TARGET_NOT_HALTED;
}
- uint32_t physical_address;
+ target_addr_t physical_address;
/* BUG: If access range crosses multiple pages, the translation will not correct
* for second page or so. */
* Because hardware will turn off IT/DT by default, it MUST translate virtual address
* to physical address.
*/
- if (ERROR_OK == target->type->virt2phys(target, address, &physical_address))
+ if (target->type->virt2phys(target, address, &physical_address) == ERROR_OK)
address = physical_address;
else
return ERROR_FAIL;
projects / fw / openocd / blobdiff