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Outline
#include "config.h"
#include "avrt.h"
#include "target.h"
#include "target_type.h"
#define AVR_JTAG_INS_LEN
avr_target
avr_target_create(struct target *, Jim_Interp *)
avr_init_target(struct command_context *, struct target *)
avr_arch_state(struct target *)
avr_poll(struct target *)
avr_halt(struct target *)
avr_resume(struct target *, int, target_addr_t, int, int)
avr_step(struct target *, int, target_addr_t, int)
avr_assert_reset(struct target *)
avr_deassert_reset(struct target *)
avr_jtag_senddat(struct jtag_tap *, uint32_t *, uint32_t, int)
avr_jtag_sendinstr(struct jtag_tap *, uint8_t *, uint8_t)
mcu_write_ir(struct jtag_tap *, uint8_t *, uint8_t *, int)
mcu_write_dr(struct jtag_tap *, uint8_t *, uint8_t *, int)
mcu_write_ir_u8(struct jtag_tap *, uint8_t *, uint8_t, int)
mcu_write_dr_u32(struct jtag_tap *, uint32_t *, uint32_t, int)
mcu_execute_queue()
Files
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SourceVuDevelopment ToolsOpenOCDsrc/target/avrt.c
 
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// SPDX-License-Identifier: GPL-2.0-or-later /*************************************************************************** * Copyright (C) 2009 by Simon Qian * * SimonQian@SimonQian.com * ***************************************************************************//* ... */ #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 */ static int avr_target_create(struct target *target, Jim_Interp *interp); static int avr_init_target(struct command_context *cmd_ctx, struct target *target); static int avr_arch_state(struct target *target); static int avr_poll(struct target *target); static int avr_halt(struct target *target); static int avr_resume(struct target *target, int current, target_addr_t address, int handle_breakpoints, int debug_execution); static int avr_step(struct target *target, int current, target_addr_t address, int handle_breakpoints); static int avr_assert_reset(struct target *target); static int avr_deassert_reset(struct target *target); /* IR and DR functions */ static int mcu_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len); static int mcu_write_dr(struct jtag_tap *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len); static int mcu_write_ir_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len); static int mcu_write_dr_u32(struct jtag_tap *tap, uint32_t *ir_in, uint32_t ir_out, int dr_len); struct target_type avr_target = { .name = "avr", .poll = avr_poll, .arch_state = avr_arch_state, .halt = avr_halt, .resume = avr_resume, .step = avr_step, .assert_reset = avr_assert_reset, .deassert_reset = avr_deassert_reset, /* .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, ...}; static 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; }{ ... } static int avr_init_target(struct command_context *cmd_ctx, struct target *target) { LOG_DEBUG("%s", __func__); return ERROR_OK; }{ ... } static int avr_arch_state(struct target *target) { LOG_DEBUG("%s", __func__); return ERROR_OK; }{ ... } static int avr_poll(struct target *target) { if ((target->state == TARGET_RUNNING) || (target->state == TARGET_DEBUG_RUNNING)) target->state = TARGET_HALTED; LOG_DEBUG("%s", __func__); return ERROR_OK; }{ ... } static int avr_halt(struct target *target) { LOG_DEBUG("%s", __func__); return ERROR_OK; }{ ... } static int avr_resume(struct target *target, int current, target_addr_t address, int handle_breakpoints, int debug_execution) { LOG_DEBUG("%s", __func__); return ERROR_OK; }{ ... } static int avr_step(struct target *target, int current, target_addr_t address, int handle_breakpoints) { LOG_DEBUG("%s", __func__); return ERROR_OK; }{ ... } static int avr_assert_reset(struct target *target) { target->state = TARGET_RESET; LOG_DEBUG("%s", __func__); return ERROR_OK; }{ ... } static int avr_deassert_reset(struct target *target) { target->state = TARGET_RUNNING; LOG_DEBUG("%s", __func__); 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); }{ ... } 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); }{ ... } /* IR and DR functions */ static int mcu_write_ir(struct jtag_tap *tap, uint8_t *ir_in, uint8_t *ir_out, int ir_len) { if (!tap) { LOG_ERROR("invalid tap"); return ERROR_FAIL; }if (!tap) { ... } if ((unsigned int)ir_len != tap->ir_length) { LOG_ERROR("invalid ir_len"); return ERROR_FAIL; }if ((unsigned int)ir_len != tap->ir_length) { ... } { jtag_add_plain_ir_scan(tap->ir_length, ir_out, ir_in, TAP_IDLE); ...} return ERROR_OK; }{ ... } static int mcu_write_dr(struct jtag_tap *tap, uint8_t *dr_in, uint8_t *dr_out, int dr_len) { if (!tap) { LOG_ERROR("invalid tap"); return ERROR_FAIL; }if (!tap) { ... } { jtag_add_plain_dr_scan(dr_len, dr_out, dr_in, TAP_IDLE); ...} return ERROR_OK; }{ ... } static int mcu_write_ir_u8(struct jtag_tap *tap, uint8_t *ir_in, uint8_t ir_out, int ir_len) { if (ir_len > 8) { LOG_ERROR("ir_len overflow, maximum is 8"); return ERROR_FAIL; }if (ir_len > 8) { ... } mcu_write_ir(tap, ir_in, &ir_out, ir_len); return ERROR_OK; }{ ... } static int mcu_write_dr_u32(struct jtag_tap *tap, uint32_t *dr_in, uint32_t dr_out, int dr_len) { if (dr_len > 32) { LOG_ERROR("dr_len overflow, maximum is 32"); return ERROR_FAIL; }if (dr_len > 32) { ... } mcu_write_dr(tap, (uint8_t *)dr_in, (uint8_t *)&dr_out, dr_len); return ERROR_OK; }{ ... } int mcu_execute_queue(void) { return jtag_execute_queue(); }{ ... }
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