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-rw-r--r--src/target/arm966e.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/src/target/arm966e.c b/src/target/arm966e.c
deleted file mode 100644
index 0429c54..0000000
--- a/src/target/arm966e.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * 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, see <http://www.gnu.org/licenses/>. *
- ***************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "arm966e.h"
-#include "target_type.h"
-#include "arm_opcodes.h"
-
-#if 0
-#define _DEBUG_INSTRUCTION_EXECUTION_
-#endif
-
-int arm966e_init_arch_info(struct target *target, struct arm966e_common *arm966e, struct jtag_tap *tap)
-{
- struct arm7_9_common *arm7_9 = &arm966e->arm7_9_common;
-
- /* initialize arm7/arm9 specific info (including armv4_5) */
- arm9tdmi_init_arch_info(target, arm7_9, tap);
-
- arm966e->common_magic = ARM966E_COMMON_MAGIC;
-
- /* The ARM966E-S implements the ARMv5TE architecture which
- * has the BKPT instruction, so we don't have to use a watchpoint comparator
- */
- arm7_9->arm_bkpt = ARMV5_BKPT(0x0);
- arm7_9->thumb_bkpt = ARMV5_T_BKPT(0x0) & 0xffff;
-
- return ERROR_OK;
-}
-
-static int arm966e_target_create(struct target *target, Jim_Interp *interp)
-{
- struct arm966e_common *arm966e = calloc(1, sizeof(struct arm966e_common));
-
- return arm966e_init_arch_info(target, arm966e, target->tap);
-}
-
-static int arm966e_verify_pointer(struct command_context *cmd_ctx,
- struct arm966e_common *arm966e)
-{
- if (arm966e->common_magic != ARM966E_COMMON_MAGIC) {
- command_print(cmd_ctx, "target is not an ARM966");
- return ERROR_TARGET_INVALID;
- }
- return ERROR_OK;
-}
-
-/*
- * REVISIT: The "read_cp15" and "write_cp15" commands could hook up
- * to eventual mrc() and mcr() routines ... the reg_addr values being
- * constructed (for CP15 only) from Opcode_1, Opcode_2, and CRn values.
- * See section 7.3 of the ARM966E-S TRM.
- */
-
-static int arm966e_read_cp15(struct target *target, int reg_addr, uint32_t *value)
-{
- int retval = ERROR_OK;
- struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
- struct arm_jtag *jtag_info = &arm7_9->jtag_info;
- struct scan_field fields[3];
- uint8_t reg_addr_buf = reg_addr & 0x3f;
- uint8_t nr_w_buf = 0;
-
- retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
- if (retval != ERROR_OK)
- return retval;
- retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
- if (retval != ERROR_OK)
- return retval;
-
- fields[0].num_bits = 32;
- /* REVISIT: table 7-2 shows that bits 31-31 need to be
- * specified for accessing BIST registers ...
- */
- fields[0].out_value = NULL;
- fields[0].in_value = NULL;
-
- fields[1].num_bits = 6;
- fields[1].out_value = &reg_addr_buf;
- fields[1].in_value = NULL;
-
- fields[2].num_bits = 1;
- fields[2].out_value = &nr_w_buf;
- fields[2].in_value = NULL;
-
- jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
-
- fields[1].in_value = (uint8_t *)value;
-
- jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
-
- jtag_add_callback(arm_le_to_h_u32, (jtag_callback_data_t)value);
-
-
-#ifdef _DEBUG_INSTRUCTION_EXECUTION_
- retval = jtag_execute_queue();
- if (retval != ERROR_OK)
- return retval;
- LOG_DEBUG("addr: 0x%x value: %8.8x", reg_addr, *value);
-#endif
-
- return ERROR_OK;
-}
-
-/* EXPORTED to str9x (flash) */
-int arm966e_write_cp15(struct target *target, int reg_addr, uint32_t value)
-{
- int retval = ERROR_OK;
- struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
- struct arm_jtag *jtag_info = &arm7_9->jtag_info;
- struct scan_field fields[3];
- uint8_t reg_addr_buf = reg_addr & 0x3f;
- uint8_t nr_w_buf = 1;
- uint8_t value_buf[4];
-
- buf_set_u32(value_buf, 0, 32, value);
-
- retval = arm_jtag_scann(jtag_info, 0xf, TAP_IDLE);
- if (retval != ERROR_OK)
- return retval;
- retval = arm_jtag_set_instr(jtag_info->tap, jtag_info->intest_instr, NULL, TAP_IDLE);
- if (retval != ERROR_OK)
- return retval;
-
- fields[0].num_bits = 32;
- fields[0].out_value = value_buf;
- fields[0].in_value = NULL;
-
- fields[1].num_bits = 6;
- fields[1].out_value = &reg_addr_buf;
- fields[1].in_value = NULL;
-
- fields[2].num_bits = 1;
- fields[2].out_value = &nr_w_buf;
- fields[2].in_value = NULL;
-
- jtag_add_dr_scan(jtag_info->tap, 3, fields, TAP_IDLE);
-
-#ifdef _DEBUG_INSTRUCTION_EXECUTION_
- LOG_DEBUG("addr: 0x%x value: %8.8x", reg_addr, value);
-#endif
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(arm966e_handle_cp15_command)
-{
- int retval;
- struct target *target = get_current_target(CMD_CTX);
- struct arm966e_common *arm966e = target_to_arm966(target);
-
- retval = arm966e_verify_pointer(CMD_CTX, arm966e);
- if (retval != ERROR_OK)
- return retval;
-
- if (target->state != TARGET_HALTED) {
- command_print(CMD_CTX, "target must be stopped for \"%s\" command", CMD_NAME);
- return ERROR_OK;
- }
-
- /* one or more argument, access a single register (write if second argument is given */
- if (CMD_ARGC >= 1) {
- uint32_t address;
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
-
- if (CMD_ARGC == 1) {
- uint32_t value;
- retval = arm966e_read_cp15(target, address, &value);
- if (retval != ERROR_OK) {
- command_print(CMD_CTX,
- "couldn't access reg %" PRIi32,
- address);
- return ERROR_OK;
- }
- retval = jtag_execute_queue();
- if (retval != ERROR_OK)
- return retval;
-
- command_print(CMD_CTX, "%" PRIi32 ": %8.8" PRIx32,
- address, value);
- } else if (CMD_ARGC == 2) {
- uint32_t value;
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
- retval = arm966e_write_cp15(target, address, value);
- if (retval != ERROR_OK) {
- command_print(CMD_CTX,
- "couldn't access reg %" PRIi32,
- address);
- return ERROR_OK;
- }
- command_print(CMD_CTX, "%" PRIi32 ": %8.8" PRIx32,
- address, value);
- }
- }
-
- return ERROR_OK;
-}
-
-static const struct command_registration arm966e_exec_command_handlers[] = {
- {
- .name = "cp15",
- .handler = arm966e_handle_cp15_command,
- .mode = COMMAND_EXEC,
- .usage = "regnum [value]",
- .help = "display/modify cp15 register",
- },
- COMMAND_REGISTRATION_DONE
-};
-
-const struct command_registration arm966e_command_handlers[] = {
- {
- .chain = arm9tdmi_command_handlers,
- },
- {
- .name = "arm966e",
- .mode = COMMAND_ANY,
- .help = "arm966e command group",
- .usage = "",
- .chain = arm966e_exec_command_handlers,
- },
- COMMAND_REGISTRATION_DONE
-};
-
-/** Holds methods for ARM966 targets. */
-struct target_type arm966e_target = {
- .name = "arm966e",
-
- .poll = arm7_9_poll,
- .arch_state = arm_arch_state,
-
- .target_request_data = arm7_9_target_request_data,
-
- .halt = arm7_9_halt,
- .resume = arm7_9_resume,
- .step = arm7_9_step,
-
- .assert_reset = arm7_9_assert_reset,
- .deassert_reset = arm7_9_deassert_reset,
- .soft_reset_halt = arm7_9_soft_reset_halt,
-
- .get_gdb_reg_list = arm_get_gdb_reg_list,
-
- .read_memory = arm7_9_read_memory,
- .write_memory = arm7_9_write_memory_opt,
-
- .checksum_memory = arm_checksum_memory,
- .blank_check_memory = arm_blank_check_memory,
-
- .run_algorithm = armv4_5_run_algorithm,
-
- .add_breakpoint = arm7_9_add_breakpoint,
- .remove_breakpoint = arm7_9_remove_breakpoint,
- .add_watchpoint = arm7_9_add_watchpoint,
- .remove_watchpoint = arm7_9_remove_watchpoint,
-
- .commands = arm966e_command_handlers,
- .target_create = arm966e_target_create,
- .init_target = arm9tdmi_init_target,
- .examine = arm7_9_examine,
- .check_reset = arm7_9_check_reset,
-};
generated by cgit v1.1 at 2024-12-24 17:51:44 +0000