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- /***************************************************************************
- * Copyright (C) 2009 by Simon Qian *
- * SimonQian@SimonQian.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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
- #ifdef HAVE_CONFIG_H
- #include "config.h"
- #endif
-
- #include "avrt.h"
- #include "target.h"
- #include "target_type.h"
-
-
- #define AVR_JTAG_INS_LEN 4
-
- /* forward declarations */
- int avr_target_create(struct target *target, Jim_Interp *interp);
- int avr_init_target(struct command_context *cmd_ctx, struct target *target);
-
- int avr_arch_state(struct target *target);
- int avr_poll(struct target *target);
- int avr_halt(struct target *target);
- int avr_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution);
- int avr_step(struct target *target, int current, uint32_t address, int handle_breakpoints);
-
- int avr_assert_reset(struct target *target);
- int avr_deassert_reset(struct target *target);
- int avr_soft_reset_halt(struct target *target);
-
- /* IR and DR functions */
- int avr_jtag_sendinstr(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out);
- int avr_jtag_senddat(struct jtag_tap *tap, uint32_t *dr_in, uint32_t dr_out, int len);
-
- int mcu_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len, int rti);
- int mcu_write_dr(struct jtag_tap *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len, int rti);
- int mcu_write_ir_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len, int rti);
- int mcu_write_dr_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int dr_len, int rti);
- int mcu_write_ir_u16(struct jtag_tap *tap, uint16_t *ir_in, uint16_t ir_out, int ir_len, int rti);
- int mcu_write_dr_u16(struct jtag_tap *tap, uint16_t *ir_in, uint16_t ir_out, int dr_len, int rti);
- int mcu_write_ir_u32(struct jtag_tap *tap, uint32_t *ir_in, uint32_t ir_out, int ir_len, int rti);
- int mcu_write_dr_u32(struct jtag_tap *tap, uint32_t *ir_in, uint32_t ir_out, int dr_len, int rti);
- int mcu_execute_queue(void);
-
- struct target_type avr_target =
- {
- .name = "avr",
-
- .poll = avr_poll,
- .arch_state = avr_arch_state,
-
- .target_request_data = NULL,
-
- .halt = avr_halt,
- .resume = avr_resume,
- .step = avr_step,
-
- .assert_reset = avr_assert_reset,
- .deassert_reset = avr_deassert_reset,
- .soft_reset_halt = avr_soft_reset_halt,
- /*
- .get_gdb_reg_list = avr_get_gdb_reg_list,
-
- .read_memory = avr_read_memory,
- .write_memory = avr_write_memory,
- .bulk_write_memory = avr_bulk_write_memory,
- .checksum_memory = avr_checksum_memory,
- .blank_check_memory = avr_blank_check_memory,
-
- .run_algorithm = avr_run_algorithm,
-
- .add_breakpoint = avr_add_breakpoint,
- .remove_breakpoint = avr_remove_breakpoint,
- .add_watchpoint = avr_add_watchpoint,
- .remove_watchpoint = avr_remove_watchpoint,
- */
- .target_create = avr_target_create,
- .init_target = avr_init_target,
- };
-
- int avr_target_create(struct target *target, Jim_Interp *interp)
- {
- struct avr_common *avr = calloc(1, sizeof(struct avr_common));
-
- avr->jtag_info.tap = target->tap;
- target->arch_info = avr;
-
- return ERROR_OK;
- }
-
- int avr_init_target(struct command_context *cmd_ctx, struct target *target)
- {
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_arch_state(struct target *target)
- {
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_poll(struct target *target)
- {
- if ((target->state == TARGET_RUNNING) || (target->state == TARGET_DEBUG_RUNNING))
- {
- target->state = TARGET_HALTED;
- }
-
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_halt(struct target *target)
- {
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
- {
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_step(struct target *target, int current, uint32_t address, int handle_breakpoints)
- {
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_assert_reset(struct target *target)
- {
- target->state = TARGET_RESET;
-
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_deassert_reset(struct target *target)
- {
- target->state = TARGET_RUNNING;
-
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_soft_reset_halt(struct target *target)
- {
- LOG_DEBUG("%s", __FUNCTION__);
- return ERROR_OK;
- }
-
- int avr_jtag_senddat(struct jtag_tap *tap, uint32_t* dr_in, uint32_t dr_out, int len)
- {
- return mcu_write_dr_u32(tap, dr_in, dr_out, len, 1);
- }
-
- int avr_jtag_sendinstr(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out)
- {
- return mcu_write_ir_u8(tap, ir_in, ir_out, AVR_JTAG_INS_LEN, 1);
- }
-
- /* IR and DR functions */
- int mcu_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len, int rti)
- {
- if (NULL == tap)
- {
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
- }
- if (ir_len != tap->ir_length)
- {
- LOG_ERROR("invalid ir_len");
- return ERROR_FAIL;
- }
-
- {
- jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE);
- }
-
- return ERROR_OK;
- }
-
- int mcu_write_dr(struct jtag_tap *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len, int rti)
- {
- if (NULL == tap)
- {
- LOG_ERROR("invalid tap");
- return ERROR_FAIL;
- }
-
- {
- jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE);
- }
-
- return ERROR_OK;
- }
-
- int mcu_write_ir_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len, int rti)
- {
- if (ir_len > 8)
- {
- LOG_ERROR("ir_len overflow, maxium is 8");
- return ERROR_FAIL;
- }
-
- mcu_write_ir(tap, ir_in, &ir_out, ir_len, rti);
-
- return ERROR_OK;
- }
-
- int mcu_write_dr_u8(struct jtag_tap *tap, uint8_t *dr_in, uint8_t dr_out, int dr_len, int rti)
- {
- if (dr_len > 8)
- {
- LOG_ERROR("dr_len overflow, maxium is 8");
- return ERROR_FAIL;
- }
-
- mcu_write_dr(tap, dr_in, &dr_out, dr_len, rti);
-
- return ERROR_OK;
- }
-
- int mcu_write_ir_u16(struct jtag_tap *tap, uint16_t *ir_in, uint16_t ir_out, int ir_len, int rti)
- {
- if (ir_len > 16)
- {
- LOG_ERROR("ir_len overflow, maxium is 16");
- return ERROR_FAIL;
- }
-
- mcu_write_ir(tap, (uint8_t*)ir_in, (uint8_t*)&ir_out, ir_len, rti);
-
- return ERROR_OK;
- }
-
- int mcu_write_dr_u16(struct jtag_tap *tap, uint16_t *dr_in, uint16_t dr_out, int dr_len, int rti)
- {
- if (dr_len > 16)
- {
- LOG_ERROR("dr_len overflow, maxium is 16");
- return ERROR_FAIL;
- }
-
- mcu_write_dr(tap, (uint8_t*)dr_in, (uint8_t*)&dr_out, dr_len, rti);
-
- return ERROR_OK;
- }
-
- int mcu_write_ir_u32(struct jtag_tap *tap, uint32_t *ir_in, uint32_t ir_out, int ir_len, int rti)
- {
- if (ir_len > 32)
- {
- LOG_ERROR("ir_len overflow, maxium is 32");
- return ERROR_FAIL;
- }
-
- mcu_write_ir(tap, (uint8_t*)ir_in, (uint8_t*)&ir_out, ir_len, rti);
-
- return ERROR_OK;
- }
-
- int mcu_write_dr_u32(struct jtag_tap *tap, uint32_t *dr_in, uint32_t dr_out, int dr_len, int rti)
- {
- if (dr_len > 32)
- {
- LOG_ERROR("dr_len overflow, maxium is 32");
- return ERROR_FAIL;
- }
-
- mcu_write_dr(tap, (uint8_t*)dr_in, (uint8_t*)&dr_out, dr_len, rti);
-
- return ERROR_OK;
- }
-
- int mcu_execute_queue(void)
- {
- return jtag_execute_queue();
- }
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