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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 /* cli handling */ int avr_register_commands(struct command_context_s *cmd_ctx); /* forward declarations */ int avr_target_create(struct target_s *target, Jim_Interp *interp); int avr_init_target(struct command_context_s *cmd_ctx, struct target_s *target); int avr_quit(void); int avr_arch_state(struct target_s *target); int avr_poll(target_t *target); int avr_halt(target_t *target); int avr_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution); int avr_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints); int avr_assert_reset(target_t *target); int avr_deassert_reset(target_t *target); int avr_soft_reset_halt(struct target_s *target); /* IR and DR functions */ int avr_jtag_sendinstr(jtag_tap_t *tap, uint8_t *ir_in, uint8_t ir_out); int avr_jtag_senddat(jtag_tap_t *tap, uint32_t *dr_in, uint32_t dr_out, int len); int mcu_write_ir(jtag_tap_t *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len, int rti); int mcu_write_dr(jtag_tap_t *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len, int rti); int mcu_write_ir_u8(jtag_tap_t *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len, int rti); int mcu_write_dr_u8(jtag_tap_t *tap, uint8_t *ir_in, uint8_t ir_out, int dr_len, int rti); int mcu_write_ir_u16(jtag_tap_t *tap, uint16_t *ir_in, uint16_t ir_out, int ir_len, int rti); int mcu_write_dr_u16(jtag_tap_t *tap, uint16_t *ir_in, uint16_t ir_out, int dr_len, int rti); int mcu_write_ir_u32(jtag_tap_t *tap, uint32_t *ir_in, uint32_t ir_out, int ir_len, int rti); int mcu_write_dr_u32(jtag_tap_t *tap, uint32_t *ir_in, uint32_t ir_out, int dr_len, int rti); int mcu_execute_queue(void); target_type_t 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, */ .register_commands = avr_register_commands, .target_create = avr_target_create, .init_target = avr_init_target, .quit = avr_quit, /* .virt2phys = avr_virt2phys, .mmu = avr_mmu */ }; int avr_register_commands(struct command_context_s *cmd_ctx) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_target_create(struct target_s *target, Jim_Interp *interp) { avr_common_t *avr = calloc(1, sizeof(avr_common_t)); avr->jtag_info.tap = target->tap; target->arch_info = avr; return ERROR_OK; } int avr_init_target(struct command_context_s *cmd_ctx, struct target_s *target) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_quit(void) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_arch_state(struct target_s *target) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_poll(target_t *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(target_t *target) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_assert_reset(target_t *target) { target->state = TARGET_RESET; LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_deassert_reset(target_t *target) { target->state = TARGET_RUNNING; LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_soft_reset_halt(struct target_s *target) { LOG_DEBUG("%s", __FUNCTION__); return ERROR_OK; } int avr_jtag_senddat(jtag_tap_t *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(jtag_tap_t *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(jtag_tap_t *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; } { scan_field_t field[1]; field[0].tap = tap; field[0].num_bits = tap->ir_length; field[0].out_value = ir_out; field[0].in_value = ir_in; jtag_add_plain_ir_scan(sizeof(field) / sizeof(field[0]), field, jtag_set_end_state(TAP_IDLE)); } return ERROR_OK; } int mcu_write_dr(jtag_tap_t *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len, int rti) { if (NULL == tap) { LOG_ERROR("invalid tap"); return ERROR_FAIL; } { scan_field_t field[1]; field[0].tap = tap; field[0].num_bits = dr_len; field[0].out_value = dr_out; field[0].in_value = dr_in; jtag_add_plain_dr_scan(sizeof(field) / sizeof(field[0]), field, jtag_set_end_state(TAP_IDLE)); } return ERROR_OK; } int mcu_write_ir_u8(jtag_tap_t *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(jtag_tap_t *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(jtag_tap_t *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(jtag_tap_t *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(jtag_tap_t *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(jtag_tap_t *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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