From e784db4fdd1e68d5469f1a1f8da10f86ea88ef3f Mon Sep 17 00:00:00 2001 From: oharboe Date: Mon, 27 Apr 2009 10:32:13 +0000 Subject: SimonQian AVR wip git-svn-id: svn://svn.berlios.de/openocd/trunk@1540 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/target/avrt.c | 354 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 354 insertions(+) create mode 100644 src/target/avrt.c (limited to 'src/target/avrt.c') diff --git a/src/target/avrt.c b/src/target/avrt.c new file mode 100644 index 00000000..f67f1969 --- /dev/null +++ b/src/target/avrt.c @@ -0,0 +1,354 @@ +/*************************************************************************** + * 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 "replacements.h" + +#include "avrt.h" + +#include "register.h" +#include "target.h" +#include "log.h" +#include "jtag.h" +#include "binarybuffer.h" +#include "time_support.h" +#include "breakpoints.h" +#include "fileio.h" + +#include +#include + +#include +#include +#include + +#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, u32 address, int handle_breakpoints, int debug_execution); +int avr_step(struct target_s *target, int current, u32 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, u8 *ir_in, u8 ir_out); +int avr_jtag_senddat(jtag_tap_t *tap, u32 *dr_in, u32 dr_out, int len); + +int mcu_write_ir(jtag_tap_t *tap, u8 *ir_in, u8 *ir_out, int ir_len, int rti); +int mcu_write_dr(jtag_tap_t *tap, u8 *dr_in, u8 *dr_out, int dr_len, int rti); +int mcu_write_ir_u8(jtag_tap_t *tap, u8 *ir_in, u8 ir_out, int ir_len, int rti); +int mcu_write_dr_u8(jtag_tap_t *tap, u8 *ir_in, u8 ir_out, int dr_len, int rti); +int mcu_write_ir_u16(jtag_tap_t *tap, u16 *ir_in, u16 ir_out, int ir_len, int rti); +int mcu_write_dr_u16(jtag_tap_t *tap, u16 *ir_in, u16 ir_out, int dr_len, int rti); +int mcu_write_ir_u32(jtag_tap_t *tap, u32 *ir_in, u32 ir_out, int ir_len, int rti); +int mcu_write_dr_u32(jtag_tap_t *tap, u32 *ir_in, u32 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(__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(__FUNCTION__); + return ERROR_OK; +} + +int avr_quit(void) +{ + LOG_DEBUG(__FUNCTION__); + return ERROR_OK; +} + +int avr_arch_state(struct target_s *target) +{ + LOG_DEBUG(__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(__FUNCTION__); + return ERROR_OK; +} + +int avr_halt(target_t *target) +{ + LOG_DEBUG(__FUNCTION__); + return ERROR_OK; +} + +int avr_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution) +{ + LOG_DEBUG(__FUNCTION__); + return ERROR_OK; +} + +int avr_step(struct target_s *target, int current, u32 address, int handle_breakpoints) +{ + LOG_DEBUG(__FUNCTION__); + return ERROR_OK; +} + +int avr_assert_reset(target_t *target) +{ + target->state = TARGET_RESET; + + LOG_DEBUG(__FUNCTION__); + return ERROR_OK; +} + +int avr_deassert_reset(target_t *target) +{ + target->state = TARGET_RUNNING; + + LOG_DEBUG(__FUNCTION__); + return ERROR_OK; +} + +int avr_soft_reset_halt(struct target_s *target) +{ + LOG_DEBUG(__FUNCTION__); + return ERROR_OK; +} + +int avr_jtag_senddat(jtag_tap_t *tap, u32* dr_in, u32 dr_out, int len) +{ + return mcu_write_dr_u32(tap, dr_in, dr_out, len, 1); +} + +int avr_jtag_sendinstr(jtag_tap_t *tap, u8 *ir_in, u8 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, u8 *ir_in, u8 *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].out_mask = NULL; + field[0].in_value = ir_in; + field[0].in_check_value = NULL; + field[0].in_check_mask = NULL; + field[0].in_handler = NULL; + field[0].in_handler_priv = NULL; + jtag_add_plain_ir_scan(sizeof(field) / sizeof(field[0]), field, TAP_IDLE); + } + + return ERROR_OK; +} + +int mcu_write_dr(jtag_tap_t *tap, u8 *dr_in, u8 *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].out_mask = NULL; + field[0].in_value = dr_in; + field[0].in_check_value = NULL; + field[0].in_check_mask = NULL; + field[0].in_handler = NULL; + field[0].in_handler_priv = NULL; + jtag_add_plain_dr_scan(sizeof(field) / sizeof(field[0]), field, TAP_IDLE); + } + + return ERROR_OK; +} + +int mcu_write_ir_u8(jtag_tap_t *tap, u8 *ir_in, u8 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, u8 *dr_in, u8 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, u16 *ir_in, u16 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, (u8*)ir_in, (u8*)&ir_out, ir_len, rti); + + return ERROR_OK; +} + +int mcu_write_dr_u16(jtag_tap_t *tap, u16 *dr_in, u16 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, (u8*)dr_in, (u8*)&dr_out, dr_len, rti); + + return ERROR_OK; +} + +int mcu_write_ir_u32(jtag_tap_t *tap, u32 *ir_in, u32 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, (u8*)ir_in, (u8*)&ir_out, ir_len, rti); + + return ERROR_OK; +} + +int mcu_write_dr_u32(jtag_tap_t *tap, u32 *dr_in, u32 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, (u8*)dr_in, (u8*)&dr_out, dr_len, rti); + + return ERROR_OK; +} + +int mcu_execute_queue(void) +{ + return jtag_execute_queue(); +} -- cgit v1.2.3