X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Ftarget%2Farm9tdmi.c;h=805330f259d4b8079b1aa7004fd24b0cc4bfd50f;hb=HEAD;hp=e8ad93289cc18eead404bf14c460f83fee50bff4;hpb=c3074f377c1da33ca8ba8493826e1b52351eebc6;p=fw%2Fopenocd diff --git a/src/target/arm9tdmi.c b/src/target/arm9tdmi.c index e8ad93289..805330f25 100644 --- a/src/target/arm9tdmi.c +++ b/src/target/arm9tdmi.c @@ -1,3 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + /*************************************************************************** * Copyright (C) 2005 by Dominic Rath * * Dominic.Rath@gmx.de * @@ -7,21 +9,6 @@ * * * Copyright (C) 2008 by Hongtao Zheng * * hontor@126.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 @@ -32,6 +19,7 @@ #include "target_type.h" #include "register.h" #include "arm_opcodes.h" +#include "arm_semihosting.h" /* * NOTE: this holds code that's used with multiple ARM9 processors: @@ -100,7 +88,7 @@ int arm9tdmi_examine_debug_reason(struct target *target) retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; - retval = arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL, TAP_DRPAUSE); + retval = arm_jtag_set_instr(arm7_9->jtag_info.tap, arm7_9->jtag_info.intest_instr, NULL, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; @@ -154,7 +142,7 @@ int arm9tdmi_clock_out(struct arm_jtag *jtag_info, uint32_t instr, if (retval != ERROR_OK) return retval; - retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_DRPAUSE); + retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; @@ -206,7 +194,7 @@ int arm9tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in) if (retval != ERROR_OK) return retval; - retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_DRPAUSE); + retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; @@ -244,16 +232,6 @@ int arm9tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in) return ERROR_OK; } -static int arm9endianness(jtag_callback_data_t arg, - jtag_callback_data_t size, jtag_callback_data_t be, - jtag_callback_data_t captured) -{ - uint8_t *in = (uint8_t *)arg; - - arm_endianness((uint8_t *)captured, in, (int)size, (int)be, 0); - return ERROR_OK; -} - /* clock the target, and read the databus * the *in pointer points to a buffer where elements of 'size' bytes * are stored in big (be == 1) or little (be == 0) endianness @@ -262,35 +240,43 @@ int arm9tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info, void *in, int size, int be) { int retval = ERROR_OK; - struct scan_field fields[3]; + struct scan_field fields[2]; retval = arm_jtag_scann(jtag_info, 0x1, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; - retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_DRPAUSE); + retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_DRPAUSE); if (retval != ERROR_OK) return retval; - fields[0].num_bits = size * 8; - fields[0].out_value = NULL; - fields[0].in_value = in; + if (size == 4) { + fields[0].num_bits = 32; + fields[0].out_value = NULL; + fields[0].in_value = in; - fields[1].num_bits = 3; - fields[1].out_value = NULL; - fields[1].in_value = NULL; + fields[1].num_bits = 3 + 32; + fields[1].out_value = NULL; + fields[1].in_value = NULL; + } else { + /* Discard irrelevant bits of the scan, making sure we don't write more + * than size bytes to in */ + fields[0].num_bits = size * 8; + fields[0].out_value = NULL; + fields[0].in_value = in; - fields[2].num_bits = 32; - fields[2].out_value = NULL; - fields[2].in_value = NULL; + fields[1].num_bits = 3 + 32 + 32 - size * 8; + fields[1].out_value = NULL; + fields[1].in_value = NULL; + } - jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_DRPAUSE); + jtag_add_dr_scan(jtag_info->tap, 2, fields, TAP_DRPAUSE); - jtag_add_callback4(arm9endianness, + jtag_add_callback4(arm7_9_endianness_callback, (jtag_callback_data_t)in, (jtag_callback_data_t)size, (jtag_callback_data_t)be, - (jtag_callback_data_t)in); + (jtag_callback_data_t)0); jtag_add_runtest(0, TAP_DRPAUSE); @@ -718,6 +704,7 @@ int arm9tdmi_init_target(struct command_context *cmd_ctx, struct target *target) { arm9tdmi_build_reg_cache(target); + arm_semihosting_init(target); return ERROR_OK; } @@ -754,6 +741,9 @@ int arm9tdmi_init_arch_info(struct target *target, arm7_9->enable_single_step = arm9tdmi_enable_single_step; arm7_9->disable_single_step = arm9tdmi_disable_single_step; + arm7_9->write_memory = arm7_9_write_memory; + arm7_9->bulk_write_memory = arm7_9_bulk_write_memory; + arm7_9->post_debug_entry = NULL; arm7_9->pre_restore_context = NULL; @@ -780,11 +770,21 @@ static int arm9tdmi_target_create(struct target *target, Jim_Interp *interp) struct arm7_9_common *arm7_9 = calloc(1, sizeof(struct arm7_9_common)); arm9tdmi_init_arch_info(target, arm7_9, target->tap); - arm7_9->arm.is_armv4 = true; + arm7_9->arm.arch = ARM_ARCH_V4; return ERROR_OK; } +void arm9tdmi_deinit_target(struct target *target) +{ + struct arm *arm = target_to_arm(target); + struct arm7_9_common *arm7_9 = target_to_arm7_9(target); + + arm7_9_deinit(target); + arm_free_reg_cache(arm); + free(arm7_9); +} + COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) { struct target *target = get_current_target(CMD_CTX); @@ -800,7 +800,7 @@ COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) /* it's uncommon, but some ARM7 chips can support this */ if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC || !arm7_9->has_vector_catch) { - command_print(CMD_CTX, "target doesn't have EmbeddedICE " + command_print(CMD, "target doesn't have EmbeddedICE " "with vector_catch"); return ERROR_TARGET_INVALID; } @@ -833,7 +833,7 @@ COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) /* complain if vector wasn't found */ if (!arm9tdmi_vectors[j].name) { - command_print(CMD_CTX, "vector '%s' not found, leaving current setting unchanged", CMD_ARGV[i]); + command_print(CMD, "vector '%s' not found, leaving current setting unchanged", CMD_ARGV[i]); /* reread current setting */ vector_catch_value = buf_get_u32( @@ -851,7 +851,7 @@ COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command) /* output current settings */ for (unsigned i = 0; arm9tdmi_vectors[i].name; i++) { - command_print(CMD_CTX, "%s: %s", arm9tdmi_vectors[i].name, + command_print(CMD, "%s: %s", arm9tdmi_vectors[i].name, (vector_catch_value & arm9tdmi_vectors[i].value) ? "catch" : "don't catch"); } @@ -901,11 +901,11 @@ struct target_type arm9tdmi_target = { .deassert_reset = arm7_9_deassert_reset, .soft_reset_halt = arm7_9_soft_reset_halt, + .get_gdb_arch = arm_get_gdb_arch, .get_gdb_reg_list = arm_get_gdb_reg_list, .read_memory = arm7_9_read_memory, - .write_memory = arm7_9_write_memory, - .bulk_write_memory = arm7_9_bulk_write_memory, + .write_memory = arm7_9_write_memory_opt, .checksum_memory = arm_checksum_memory, .blank_check_memory = arm_blank_check_memory, @@ -920,6 +920,7 @@ struct target_type arm9tdmi_target = { .commands = arm9tdmi_command_handlers, .target_create = arm9tdmi_target_create, .init_target = arm9tdmi_init_target, + .deinit_target = arm9tdmi_deinit_target, .examine = arm7_9_examine, .check_reset = arm7_9_check_reset, };