- Added support for ARM926EJ-S based cores
- Added contributors to AUTHORS file - Added link to Joern Kaipf's OOCD-Link git-svn-id: svn://svn.berlios.de/openocd/trunk@126 b42882b7-edfa-0310-969c-e2dbd0fdcd60__archive__
drath
parent
4fc97d3f27
commit
81e8e44cf0
3
AUTHORS
3
AUTHORS
|
|
@ -1 +1,4 @@
|
||||||
Dominic Rath <Dominic.Rath@gmx.de>
|
Dominic Rath <Dominic.Rath@gmx.de>
|
||||||
|
Magnus Lundin <lundin@mlu.mine.nu>
|
||||||
|
Michael Fischer <fischermi@t-online.de>
|
||||||
|
Spencer Oliver <spen@spen-soft.co.uk>
|
||||||
|
|
|
||||||
8
README
8
README
|
|
@ -38,6 +38,9 @@ interface for use with the OpenOCD. Schematics are available at the USBJTAG
|
||||||
website, and a homebrew device can easily be built using the FTDI evaluation
|
website, and a homebrew device can easily be built using the FTDI evaluation
|
||||||
module DLP2232M.
|
module DLP2232M.
|
||||||
|
|
||||||
|
* OOCD-Link: http://www.joernonline.de/dw/doku.php?id=en:projects:oocdlink
|
||||||
|
Similar to the USBJTAG, this design comes with free schematics, too.
|
||||||
|
|
||||||
* Amontec JTAGkey: www.amontec.com
|
* Amontec JTAGkey: www.amontec.com
|
||||||
The Amontec JTAGkey offers support for a wide variety of target voltages from
|
The Amontec JTAGkey offers support for a wide variety of target voltages from
|
||||||
1.4V to 5V. It also allows the JTAG lines and reset signals to be tri-stated,
|
1.4V to 5V. It also allows the JTAG lines and reset signals to be tri-stated,
|
||||||
|
|
@ -75,11 +78,6 @@ This version of openocd supports the following cores:
|
||||||
Support for Intel XScale CPUs (PXA25x, PXA27x and IXP4xx) is currently being
|
Support for Intel XScale CPUs (PXA25x, PXA27x and IXP4xx) is currently being
|
||||||
developed.
|
developed.
|
||||||
|
|
||||||
The OpenOCD is only tested with little-endian targets, but support for
|
|
||||||
big-endian is planned. If you're interested in helping with this (and you
|
|
||||||
happen to have a big-endian ARM7/ARM9 system, feel free to contact
|
|
||||||
Dominic.Rath <at> gmx.de.
|
|
||||||
|
|
||||||
3. Host platforms
|
3. Host platforms
|
||||||
|
|
||||||
OpenOCD was originally developed on x86-Linux, but has since then been ported
|
OpenOCD was originally developed on x86-Linux, but has since then been ported
|
||||||
|
|
|
||||||
|
|
@ -3,7 +3,7 @@ METASOURCES = AUTO
|
||||||
noinst_LIBRARIES = libtarget.a
|
noinst_LIBRARIES = libtarget.a
|
||||||
libtarget_a_SOURCES = target.c register.c breakpoints.c armv4_5.c embeddedice.c etm.c arm7tdmi.c arm9tdmi.c \
|
libtarget_a_SOURCES = target.c register.c breakpoints.c armv4_5.c embeddedice.c etm.c arm7tdmi.c arm9tdmi.c \
|
||||||
arm_jtag.c arm7_9_common.c algorithm.c arm920t.c arm720t.c armv4_5_mmu.c armv4_5_cache.c arm_disassembler.c \
|
arm_jtag.c arm7_9_common.c algorithm.c arm920t.c arm720t.c armv4_5_mmu.c armv4_5_cache.c arm_disassembler.c \
|
||||||
arm966e.c
|
arm966e.c arm926ejs.c
|
||||||
noinst_HEADERS = target.h register.h armv4_5.h embeddedice.h etm.h arm7tdmi.h arm9tdmi.h \
|
noinst_HEADERS = target.h register.h armv4_5.h embeddedice.h etm.h arm7tdmi.h arm9tdmi.h \
|
||||||
arm_jtag.h arm7_9_common.h arm920t.h arm720t.h armv4_5_mmu.h armv4_5_cache.h breakpoints.h algorithm.h \
|
arm_jtag.h arm7_9_common.h arm920t.h arm720t.h armv4_5_mmu.h armv4_5_cache.h breakpoints.h algorithm.h \
|
||||||
arm_disassembler.h arm966e.h
|
arm_disassembler.h arm966e.h arm926ejs.h
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,845 @@
|
||||||
|
/***************************************************************************
|
||||||
|
* Copyright (C) 2007 by Dominic Rath *
|
||||||
|
* Dominic.Rath@gmx.de *
|
||||||
|
* *
|
||||||
|
* 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 "arm926ejs.h"
|
||||||
|
#include "jtag.h"
|
||||||
|
#include "log.h"
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#if 0
|
||||||
|
#define _DEBUG_INSTRUCTION_EXECUTION_
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* cli handling */
|
||||||
|
int arm926ejs_register_commands(struct command_context_s *cmd_ctx);
|
||||||
|
|
||||||
|
int arm926ejs_handle_cp15_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
int arm926ejs_handle_cp15i_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
int arm926ejs_handle_virt2phys_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
int arm926ejs_handle_cache_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
int arm926ejs_handle_md_phys_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
int arm926ejs_handle_mw_phys_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
|
||||||
|
int arm926ejs_handle_read_cache_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
int arm926ejs_handle_read_mmu_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
|
||||||
|
|
||||||
|
/* forward declarations */
|
||||||
|
int arm926ejs_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target);
|
||||||
|
int arm926ejs_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
|
||||||
|
int arm926ejs_quit();
|
||||||
|
int arm926ejs_arch_state(struct target_s *target, char *buf, int buf_size);
|
||||||
|
int arm926ejs_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
|
||||||
|
int arm926ejs_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
|
||||||
|
int arm926ejs_soft_reset_halt(struct target_s *target);
|
||||||
|
|
||||||
|
#define ARM926EJS_CP15_ADDR(opcode_1, opcode_2, CRn, CRm) ((opcode_1 << 11) | (opcode_2 << 8) | (CRn << 4) | (CRm << 0))
|
||||||
|
|
||||||
|
target_type_t arm926ejs_target =
|
||||||
|
{
|
||||||
|
.name = "arm926ejs",
|
||||||
|
|
||||||
|
.poll = arm7_9_poll,
|
||||||
|
.arch_state = arm926ejs_arch_state,
|
||||||
|
|
||||||
|
.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 = arm926ejs_soft_reset_halt,
|
||||||
|
|
||||||
|
.get_gdb_reg_list = armv4_5_get_gdb_reg_list,
|
||||||
|
|
||||||
|
.read_memory = arm7_9_read_memory,
|
||||||
|
.write_memory = arm926ejs_write_memory,
|
||||||
|
.bulk_write_memory = arm7_9_bulk_write_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,
|
||||||
|
|
||||||
|
.register_commands = arm926ejs_register_commands,
|
||||||
|
.target_command = arm926ejs_target_command,
|
||||||
|
.init_target = arm926ejs_init_target,
|
||||||
|
.quit = arm926ejs_quit
|
||||||
|
};
|
||||||
|
|
||||||
|
int arm926ejs_read_cp15(target_t *target, u32 address, u32 *value)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
|
||||||
|
scan_field_t fields[4];
|
||||||
|
u8 address_buf[2];
|
||||||
|
u8 nr_w_buf = 0;
|
||||||
|
u8 access = 1;
|
||||||
|
|
||||||
|
buf_set_u32(address_buf, 0, 14, address);
|
||||||
|
|
||||||
|
jtag_add_end_state(TAP_RTI);
|
||||||
|
arm_jtag_scann(jtag_info, 0xf);
|
||||||
|
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
|
||||||
|
|
||||||
|
fields[0].device = jtag_info->chain_pos;
|
||||||
|
fields[0].num_bits = 32;
|
||||||
|
fields[0].out_value = NULL;
|
||||||
|
fields[0].out_mask = NULL;
|
||||||
|
fields[0].in_value = NULL;
|
||||||
|
fields[0].in_check_value = NULL;
|
||||||
|
fields[0].in_check_mask = NULL;
|
||||||
|
fields[0].in_handler = NULL;
|
||||||
|
fields[0].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
fields[1].device = jtag_info->chain_pos;
|
||||||
|
fields[1].num_bits = 1;
|
||||||
|
fields[1].out_value = &access;
|
||||||
|
fields[1].out_mask = NULL;
|
||||||
|
fields[1].in_value = &access;
|
||||||
|
fields[1].in_check_value = NULL;
|
||||||
|
fields[1].in_check_mask = NULL;
|
||||||
|
fields[1].in_handler = NULL;
|
||||||
|
fields[1].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
fields[2].device = jtag_info->chain_pos;
|
||||||
|
fields[2].num_bits = 14;
|
||||||
|
fields[2].out_value = address_buf;
|
||||||
|
fields[2].out_mask = NULL;
|
||||||
|
fields[2].in_value = NULL;
|
||||||
|
fields[2].in_check_value = NULL;
|
||||||
|
fields[2].in_check_mask = NULL;
|
||||||
|
fields[2].in_handler = NULL;
|
||||||
|
fields[2].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
fields[3].device = jtag_info->chain_pos;
|
||||||
|
fields[3].num_bits = 1;
|
||||||
|
fields[3].out_value = &nr_w_buf;
|
||||||
|
fields[3].out_mask = NULL;
|
||||||
|
fields[3].in_value = NULL;
|
||||||
|
fields[3].in_check_value = NULL;
|
||||||
|
fields[3].in_check_mask = NULL;
|
||||||
|
fields[3].in_handler = NULL;
|
||||||
|
fields[3].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
jtag_add_dr_scan(4, fields, -1);
|
||||||
|
|
||||||
|
/* rescan with NOP, to wait for the access to complete */
|
||||||
|
access = 0;
|
||||||
|
|
||||||
|
fields[0].in_handler_priv = value;
|
||||||
|
fields[0].in_handler = arm_jtag_buf_to_u32;
|
||||||
|
|
||||||
|
do
|
||||||
|
{
|
||||||
|
jtag_add_dr_scan(4, fields, -1);
|
||||||
|
jtag_execute_queue();
|
||||||
|
} while ((access & 1) != 1);
|
||||||
|
|
||||||
|
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
|
||||||
|
DEBUG("addr: 0x%x value: %8.8x", address, *value);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_write_cp15(target_t *target, u32 address, u32 value)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
arm_jtag_t *jtag_info = &arm7_9->jtag_info;
|
||||||
|
scan_field_t fields[4];
|
||||||
|
u8 value_buf[4];
|
||||||
|
u8 address_buf[2];
|
||||||
|
u8 nr_w_buf = 1;
|
||||||
|
u8 access = 1;
|
||||||
|
|
||||||
|
buf_set_u32(address_buf, 0, 14, address);
|
||||||
|
buf_set_u32(value_buf, 0, 32, value);
|
||||||
|
|
||||||
|
jtag_add_end_state(TAP_RTI);
|
||||||
|
arm_jtag_scann(jtag_info, 0xf);
|
||||||
|
arm_jtag_set_instr(jtag_info, jtag_info->intest_instr);
|
||||||
|
|
||||||
|
fields[0].device = jtag_info->chain_pos;
|
||||||
|
fields[0].num_bits = 32;
|
||||||
|
fields[0].out_value = value_buf;
|
||||||
|
fields[0].out_mask = NULL;
|
||||||
|
fields[0].in_value = NULL;
|
||||||
|
fields[0].in_check_value = NULL;
|
||||||
|
fields[0].in_check_mask = NULL;
|
||||||
|
fields[0].in_handler = NULL;
|
||||||
|
fields[0].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
fields[1].device = jtag_info->chain_pos;
|
||||||
|
fields[1].num_bits = 1;
|
||||||
|
fields[1].out_value = &access;
|
||||||
|
fields[1].out_mask = NULL;
|
||||||
|
fields[1].in_value = &access;
|
||||||
|
fields[1].in_check_value = NULL;
|
||||||
|
fields[1].in_check_mask = NULL;
|
||||||
|
fields[1].in_handler = NULL;
|
||||||
|
fields[1].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
fields[2].device = jtag_info->chain_pos;
|
||||||
|
fields[2].num_bits = 14;
|
||||||
|
fields[2].out_value = address_buf;
|
||||||
|
fields[2].out_mask = NULL;
|
||||||
|
fields[2].in_value = NULL;
|
||||||
|
fields[2].in_check_value = NULL;
|
||||||
|
fields[2].in_check_mask = NULL;
|
||||||
|
fields[2].in_handler = NULL;
|
||||||
|
fields[2].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
fields[3].device = jtag_info->chain_pos;
|
||||||
|
fields[3].num_bits = 1;
|
||||||
|
fields[3].out_value = &nr_w_buf;
|
||||||
|
fields[3].out_mask = NULL;
|
||||||
|
fields[3].in_value = NULL;
|
||||||
|
fields[3].in_check_value = NULL;
|
||||||
|
fields[3].in_check_mask = NULL;
|
||||||
|
fields[3].in_handler = NULL;
|
||||||
|
fields[3].in_handler_priv = NULL;
|
||||||
|
|
||||||
|
jtag_add_dr_scan(4, fields, -1);
|
||||||
|
|
||||||
|
/* rescan with NOP, to wait for the access to complete */
|
||||||
|
access = 0;
|
||||||
|
|
||||||
|
do
|
||||||
|
{
|
||||||
|
jtag_add_dr_scan(4, fields, -1);
|
||||||
|
jtag_execute_queue();
|
||||||
|
} while (access != 1);
|
||||||
|
|
||||||
|
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
|
||||||
|
DEBUG("addr: 0x%x value: %8.8x", address, value);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_examine_debug_reason(target_t *target)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
|
||||||
|
int debug_reason;
|
||||||
|
int retval;
|
||||||
|
|
||||||
|
embeddedice_read_reg(dbg_stat);
|
||||||
|
if ((retval = jtag_execute_queue()) != ERROR_OK)
|
||||||
|
return retval;
|
||||||
|
|
||||||
|
debug_reason = buf_get_u32(dbg_stat->value, 6, 4);
|
||||||
|
|
||||||
|
switch (debug_reason)
|
||||||
|
{
|
||||||
|
case 1:
|
||||||
|
DEBUG("breakpoint from EICE unit 0");
|
||||||
|
target->debug_reason = DBG_REASON_BREAKPOINT;
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
DEBUG("breakpoint from EICE unit 1");
|
||||||
|
target->debug_reason = DBG_REASON_BREAKPOINT;
|
||||||
|
break;
|
||||||
|
case 3:
|
||||||
|
DEBUG("soft breakpoint (BKPT instruction)");
|
||||||
|
target->debug_reason = DBG_REASON_BREAKPOINT;
|
||||||
|
break;
|
||||||
|
case 4:
|
||||||
|
DEBUG("vector catch breakpoint");
|
||||||
|
target->debug_reason = DBG_REASON_BREAKPOINT;
|
||||||
|
break;
|
||||||
|
case 5:
|
||||||
|
DEBUG("external breakpoint");
|
||||||
|
target->debug_reason = DBG_REASON_BREAKPOINT;
|
||||||
|
break;
|
||||||
|
case 6:
|
||||||
|
DEBUG("watchpoint from EICE unit 0");
|
||||||
|
target->debug_reason = DBG_REASON_WATCHPOINT;
|
||||||
|
break;
|
||||||
|
case 7:
|
||||||
|
DEBUG("watchpoint from EICE unit 1");
|
||||||
|
target->debug_reason = DBG_REASON_WATCHPOINT;
|
||||||
|
break;
|
||||||
|
case 8:
|
||||||
|
DEBUG("external watchpoint");
|
||||||
|
target->debug_reason = DBG_REASON_WATCHPOINT;
|
||||||
|
break;
|
||||||
|
case 9:
|
||||||
|
DEBUG("internal debug request");
|
||||||
|
target->debug_reason = DBG_REASON_DBGRQ;
|
||||||
|
break;
|
||||||
|
case 10:
|
||||||
|
DEBUG("external debug request");
|
||||||
|
target->debug_reason = DBG_REASON_DBGRQ;
|
||||||
|
break;
|
||||||
|
case 11:
|
||||||
|
ERROR("BUG: debug re-entry from system speed access shouldn't be handled here");
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
ERROR("BUG: unknown debug reason: 0x%x", debug_reason);
|
||||||
|
target->debug_reason = DBG_REASON_DBGRQ;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
u32 arm926ejs_get_ttb(target_t *target)
|
||||||
|
{
|
||||||
|
int retval;
|
||||||
|
u32 ttb = 0x0;
|
||||||
|
|
||||||
|
if ((retval = arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 2, 0), &ttb)) != ERROR_OK)
|
||||||
|
return retval;
|
||||||
|
|
||||||
|
return ttb;
|
||||||
|
}
|
||||||
|
|
||||||
|
void arm926ejs_disable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_cache)
|
||||||
|
{
|
||||||
|
u32 cp15_control;
|
||||||
|
|
||||||
|
/* read cp15 control register */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 1, 0), &cp15_control);
|
||||||
|
jtag_execute_queue();
|
||||||
|
|
||||||
|
if (mmu)
|
||||||
|
{
|
||||||
|
/* invalidate TLB */
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 8, 7), 0x0);
|
||||||
|
|
||||||
|
cp15_control &= ~0x1U;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (d_u_cache)
|
||||||
|
{
|
||||||
|
u32 debug_override;
|
||||||
|
/* read-modify-write CP15 debug override register
|
||||||
|
* to enable "test and clean all" */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 15, 0), &debug_override);
|
||||||
|
debug_override |= 0x80000;
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 15, 0), debug_override);
|
||||||
|
|
||||||
|
/* clean and invalidate DCache */
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 7, 5), 0x0);
|
||||||
|
|
||||||
|
/* write CP15 debug override register
|
||||||
|
* to disable "test and clean all" */
|
||||||
|
debug_override &= ~0x80000;
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 15, 0), debug_override);
|
||||||
|
|
||||||
|
cp15_control &= ~0x4U;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (i_cache)
|
||||||
|
{
|
||||||
|
/* invalidate ICache */
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 7, 5), 0x0);
|
||||||
|
|
||||||
|
cp15_control &= ~0x1000U;
|
||||||
|
}
|
||||||
|
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 1, 0), cp15_control);
|
||||||
|
}
|
||||||
|
|
||||||
|
void arm926ejs_enable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_cache)
|
||||||
|
{
|
||||||
|
u32 cp15_control;
|
||||||
|
|
||||||
|
/* read cp15 control register */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 1, 0), &cp15_control);
|
||||||
|
jtag_execute_queue();
|
||||||
|
|
||||||
|
if (mmu)
|
||||||
|
cp15_control |= 0x1U;
|
||||||
|
|
||||||
|
if (d_u_cache)
|
||||||
|
cp15_control |= 0x4U;
|
||||||
|
|
||||||
|
if (i_cache)
|
||||||
|
cp15_control |= 0x1000U;
|
||||||
|
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 1, 0), cp15_control);
|
||||||
|
}
|
||||||
|
|
||||||
|
void arm926ejs_post_debug_entry(target_t *target)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
arm9tdmi_common_t *arm9tdmi = arm7_9->arch_info;
|
||||||
|
arm926ejs_common_t *arm926ejs = arm9tdmi->arch_info;
|
||||||
|
|
||||||
|
/* examine cp15 control reg */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 1, 0), &arm926ejs->cp15_control_reg);
|
||||||
|
jtag_execute_queue();
|
||||||
|
DEBUG("cp15_control_reg: %8.8x", arm926ejs->cp15_control_reg);
|
||||||
|
|
||||||
|
if (arm926ejs->armv4_5_mmu.armv4_5_cache.ctype == -1)
|
||||||
|
{
|
||||||
|
u32 cache_type_reg;
|
||||||
|
/* identify caches */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 1, 0, 0), &cache_type_reg);
|
||||||
|
jtag_execute_queue();
|
||||||
|
armv4_5_identify_cache(cache_type_reg, &arm926ejs->armv4_5_mmu.armv4_5_cache);
|
||||||
|
}
|
||||||
|
|
||||||
|
arm926ejs->armv4_5_mmu.mmu_enabled = (arm926ejs->cp15_control_reg & 0x1U) ? 1 : 0;
|
||||||
|
arm926ejs->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled = (arm926ejs->cp15_control_reg & 0x4U) ? 1 : 0;
|
||||||
|
arm926ejs->armv4_5_mmu.armv4_5_cache.i_cache_enabled = (arm926ejs->cp15_control_reg & 0x1000U) ? 1 : 0;
|
||||||
|
|
||||||
|
/* save i/d fault status and address register */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 5, 0), &arm926ejs->d_fsr);
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 1, 5, 0), &arm926ejs->i_fsr);
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 6, 0), &arm926ejs->d_far);
|
||||||
|
|
||||||
|
DEBUG("D FSR: 0x%8.8x, D FAR: 0x%8.8x, I FSR: 0x%8.8x",
|
||||||
|
arm926ejs->d_fsr, arm926ejs->d_far, arm926ejs->i_fsr);
|
||||||
|
|
||||||
|
|
||||||
|
u32 cache_dbg_ctrl;
|
||||||
|
|
||||||
|
/* read-modify-write CP15 cache debug control register
|
||||||
|
* to disable I/D-cache linefills and force WT */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(7, 0, 15, 0), &cache_dbg_ctrl);
|
||||||
|
cache_dbg_ctrl |= 0x7;
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(7, 0, 15, 0), cache_dbg_ctrl);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void arm926ejs_pre_restore_context(target_t *target)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
arm9tdmi_common_t *arm9tdmi = arm7_9->arch_info;
|
||||||
|
arm926ejs_common_t *arm926ejs = arm9tdmi->arch_info;
|
||||||
|
|
||||||
|
/* restore i/d fault status and address register */
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 5, 0), arm926ejs->d_fsr);
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 1, 5, 0), arm926ejs->i_fsr);
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 6, 0), arm926ejs->d_far);
|
||||||
|
|
||||||
|
u32 cache_dbg_ctrl;
|
||||||
|
|
||||||
|
/* read-modify-write CP15 cache debug control register
|
||||||
|
* to reenable I/D-cache linefills and disable WT */
|
||||||
|
arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(7, 0, 15, 0), &cache_dbg_ctrl);
|
||||||
|
cache_dbg_ctrl |= 0x7;
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(7, 0, 15, 0), cache_dbg_ctrl);
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, arm7_9_common_t **arm7_9_p, arm9tdmi_common_t **arm9tdmi_p, arm926ejs_common_t **arm926ejs_p)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9;
|
||||||
|
arm9tdmi_common_t *arm9tdmi;
|
||||||
|
arm926ejs_common_t *arm926ejs;
|
||||||
|
|
||||||
|
if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
|
||||||
|
{
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
arm7_9 = armv4_5->arch_info;
|
||||||
|
if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC)
|
||||||
|
{
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
arm9tdmi = arm7_9->arch_info;
|
||||||
|
if (arm9tdmi->common_magic != ARM9TDMI_COMMON_MAGIC)
|
||||||
|
{
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
arm926ejs = arm9tdmi->arch_info;
|
||||||
|
if (arm926ejs->common_magic != ARM926EJS_COMMON_MAGIC)
|
||||||
|
{
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
*armv4_5_p = armv4_5;
|
||||||
|
*arm7_9_p = arm7_9;
|
||||||
|
*arm9tdmi_p = arm9tdmi;
|
||||||
|
*arm926ejs_p = arm926ejs;
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_arch_state(struct target_s *target, char *buf, int buf_size)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
arm9tdmi_common_t *arm9tdmi = arm7_9->arch_info;
|
||||||
|
arm926ejs_common_t *arm926ejs = arm9tdmi->arch_info;
|
||||||
|
|
||||||
|
char *state[] =
|
||||||
|
{
|
||||||
|
"disabled", "enabled"
|
||||||
|
};
|
||||||
|
|
||||||
|
if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
|
||||||
|
{
|
||||||
|
ERROR("BUG: called for a non-ARMv4/5 target");
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
snprintf(buf, buf_size,
|
||||||
|
"target halted in %s state due to %s, current mode: %s\n"
|
||||||
|
"cpsr: 0x%8.8x pc: 0x%8.8x\n"
|
||||||
|
"MMU: %s, D-Cache: %s, I-Cache: %s",
|
||||||
|
armv4_5_state_strings[armv4_5->core_state],
|
||||||
|
target_debug_reason_strings[target->debug_reason],
|
||||||
|
armv4_5_mode_strings[armv4_5_mode_to_number(armv4_5->core_mode)],
|
||||||
|
buf_get_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 32),
|
||||||
|
buf_get_u32(armv4_5->core_cache->reg_list[15].value, 0, 32),
|
||||||
|
state[arm926ejs->armv4_5_mmu.mmu_enabled],
|
||||||
|
state[arm926ejs->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled],
|
||||||
|
state[arm926ejs->armv4_5_mmu.armv4_5_cache.i_cache_enabled]);
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_soft_reset_halt(struct target_s *target)
|
||||||
|
{
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
arm9tdmi_common_t *arm9tdmi = arm7_9->arch_info;
|
||||||
|
arm926ejs_common_t *arm926ejs = arm9tdmi->arch_info;
|
||||||
|
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
|
||||||
|
|
||||||
|
if (target->state == TARGET_RUNNING)
|
||||||
|
{
|
||||||
|
target->type->halt(target);
|
||||||
|
}
|
||||||
|
|
||||||
|
while (buf_get_u32(dbg_stat->value, EICE_DBG_CONTROL_DBGACK, 1) == 0)
|
||||||
|
{
|
||||||
|
embeddedice_read_reg(dbg_stat);
|
||||||
|
jtag_execute_queue();
|
||||||
|
}
|
||||||
|
|
||||||
|
target->state = TARGET_HALTED;
|
||||||
|
|
||||||
|
/* SVC, ARM state, IRQ and FIQ disabled */
|
||||||
|
buf_set_u32(armv4_5->core_cache->reg_list[ARMV4_5_CPSR].value, 0, 8, 0xd3);
|
||||||
|
armv4_5->core_cache->reg_list[ARMV4_5_CPSR].dirty = 1;
|
||||||
|
armv4_5->core_cache->reg_list[ARMV4_5_CPSR].valid = 1;
|
||||||
|
|
||||||
|
/* start fetching from 0x0 */
|
||||||
|
buf_set_u32(armv4_5->core_cache->reg_list[15].value, 0, 32, 0x0);
|
||||||
|
armv4_5->core_cache->reg_list[15].dirty = 1;
|
||||||
|
armv4_5->core_cache->reg_list[15].valid = 1;
|
||||||
|
|
||||||
|
armv4_5->core_mode = ARMV4_5_MODE_SVC;
|
||||||
|
armv4_5->core_state = ARMV4_5_STATE_ARM;
|
||||||
|
|
||||||
|
arm926ejs_disable_mmu_caches(target, 1, 1, 1);
|
||||||
|
arm926ejs->armv4_5_mmu.mmu_enabled = 0;
|
||||||
|
arm926ejs->armv4_5_mmu.armv4_5_cache.d_u_cache_enabled = 0;
|
||||||
|
arm926ejs->armv4_5_mmu.armv4_5_cache.i_cache_enabled = 0;
|
||||||
|
|
||||||
|
target_call_event_callbacks(target, TARGET_EVENT_HALTED);
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
|
||||||
|
{
|
||||||
|
int retval;
|
||||||
|
armv4_5_common_t *armv4_5 = target->arch_info;
|
||||||
|
arm7_9_common_t *arm7_9 = armv4_5->arch_info;
|
||||||
|
arm9tdmi_common_t *arm9tdmi = arm7_9->arch_info;
|
||||||
|
arm926ejs_common_t *arm926ejs = arm9tdmi->arch_info;
|
||||||
|
|
||||||
|
if ((retval = arm7_9_write_memory(target, address, size, count, buffer)) != ERROR_OK)
|
||||||
|
return retval;
|
||||||
|
|
||||||
|
/* If ICache is enabled, we have to invalidate affected ICache lines
|
||||||
|
* the DCache is forced to write-through, so we don't have to clean it here
|
||||||
|
*/
|
||||||
|
if (arm926ejs->armv4_5_mmu.armv4_5_cache.i_cache_enabled)
|
||||||
|
{
|
||||||
|
if (count <= 1)
|
||||||
|
{
|
||||||
|
/* invalidate ICache single entry with MVA */
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 1, 7, 5), address);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* invalidate ICache */
|
||||||
|
arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(0, 0, 7, 5), address);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return retval;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
|
||||||
|
{
|
||||||
|
arm9tdmi_init_target(cmd_ctx, target);
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_quit()
|
||||||
|
{
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_init_arch_info(target_t *target, arm926ejs_common_t *arm926ejs, int chain_pos, char *variant)
|
||||||
|
{
|
||||||
|
arm9tdmi_common_t *arm9tdmi = &arm926ejs->arm9tdmi_common;
|
||||||
|
arm7_9_common_t *arm7_9 = &arm9tdmi->arm7_9_common;
|
||||||
|
|
||||||
|
/* initialize arm9tdmi specific info (including arm7_9 and armv4_5)
|
||||||
|
*/
|
||||||
|
arm9tdmi_init_arch_info(target, arm9tdmi, chain_pos, variant);
|
||||||
|
|
||||||
|
arm9tdmi->arch_info = arm926ejs;
|
||||||
|
arm926ejs->common_magic = ARM926EJS_COMMON_MAGIC;
|
||||||
|
|
||||||
|
arm7_9->post_debug_entry = arm926ejs_post_debug_entry;
|
||||||
|
arm7_9->pre_restore_context = arm926ejs_pre_restore_context;
|
||||||
|
|
||||||
|
arm926ejs->armv4_5_mmu.armv4_5_cache.ctype = -1;
|
||||||
|
arm926ejs->armv4_5_mmu.get_ttb = arm926ejs_get_ttb;
|
||||||
|
arm926ejs->armv4_5_mmu.read_memory = arm7_9_read_memory;
|
||||||
|
arm926ejs->armv4_5_mmu.write_memory = arm7_9_write_memory;
|
||||||
|
arm926ejs->armv4_5_mmu.disable_mmu_caches = arm926ejs_disable_mmu_caches;
|
||||||
|
arm926ejs->armv4_5_mmu.enable_mmu_caches = arm926ejs_enable_mmu_caches;
|
||||||
|
arm926ejs->armv4_5_mmu.has_tiny_pages = 1;
|
||||||
|
arm926ejs->armv4_5_mmu.mmu_enabled = 0;
|
||||||
|
|
||||||
|
arm7_9->examine_debug_reason = arm926ejs_examine_debug_reason;
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target)
|
||||||
|
{
|
||||||
|
int chain_pos;
|
||||||
|
char *variant = NULL;
|
||||||
|
arm926ejs_common_t *arm926ejs = malloc(sizeof(arm926ejs_common_t));
|
||||||
|
|
||||||
|
if (argc < 4)
|
||||||
|
{
|
||||||
|
ERROR("'target arm926ejs' requires at least one additional argument");
|
||||||
|
exit(-1);
|
||||||
|
}
|
||||||
|
|
||||||
|
chain_pos = strtoul(args[3], NULL, 0);
|
||||||
|
|
||||||
|
if (argc >= 5)
|
||||||
|
variant = args[4];
|
||||||
|
|
||||||
|
DEBUG("chain_pos: %i, variant: %s", chain_pos, variant);
|
||||||
|
|
||||||
|
arm926ejs_init_arch_info(target, arm926ejs, chain_pos, variant);
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_register_commands(struct command_context_s *cmd_ctx)
|
||||||
|
{
|
||||||
|
int retval;
|
||||||
|
command_t *arm926ejs_cmd;
|
||||||
|
|
||||||
|
|
||||||
|
retval = arm9tdmi_register_commands(cmd_ctx);
|
||||||
|
|
||||||
|
arm926ejs_cmd = register_command(cmd_ctx, NULL, "arm926ejs", NULL, COMMAND_ANY, "arm926ejs specific commands");
|
||||||
|
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "cp15", arm926ejs_handle_cp15_command, COMMAND_EXEC, "display/modify cp15 register <opcode_1> <opcode_2> <CRn> <CRm> [value]");
|
||||||
|
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "cache_info", arm926ejs_handle_cache_info_command, COMMAND_EXEC, "display information about target caches");
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "virt2phys", arm926ejs_handle_virt2phys_command, COMMAND_EXEC, "translate va to pa <va>");
|
||||||
|
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "mdw_phys", arm926ejs_handle_md_phys_command, COMMAND_EXEC, "display memory words <physical addr> [count]");
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "mdh_phys", arm926ejs_handle_md_phys_command, COMMAND_EXEC, "display memory half-words <physical addr> [count]");
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "mdb_phys", arm926ejs_handle_md_phys_command, COMMAND_EXEC, "display memory bytes <physical addr> [count]");
|
||||||
|
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "mww_phys", arm926ejs_handle_mw_phys_command, COMMAND_EXEC, "write memory word <physical addr> <value>");
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "mwh_phys", arm926ejs_handle_mw_phys_command, COMMAND_EXEC, "write memory half-word <physical addr> <value>");
|
||||||
|
register_command(cmd_ctx, arm926ejs_cmd, "mwb_phys", arm926ejs_handle_mw_phys_command, COMMAND_EXEC, "write memory byte <physical addr> <value>");
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_handle_cp15_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
||||||
|
{
|
||||||
|
int retval;
|
||||||
|
target_t *target = get_current_target(cmd_ctx);
|
||||||
|
armv4_5_common_t *armv4_5;
|
||||||
|
arm7_9_common_t *arm7_9;
|
||||||
|
arm9tdmi_common_t *arm9tdmi;
|
||||||
|
arm926ejs_common_t *arm926ejs;
|
||||||
|
int opcode_1 = strtoul(args[0], NULL, 0);
|
||||||
|
int opcode_2 = strtoul(args[1], NULL, 0);
|
||||||
|
int CRn = strtoul(args[2], NULL, 0);
|
||||||
|
int CRm = strtoul(args[3], NULL, 0);
|
||||||
|
|
||||||
|
if (arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs) != ERROR_OK)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "current target isn't an ARM926EJ-S target");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (target->state != TARGET_HALTED)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ((argc < 4) || (argc > 5))
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "usage: arm926ejs cp15 <opcode_1> <opcode_2> <CRn> <CRm> [value]");
|
||||||
|
}
|
||||||
|
|
||||||
|
if (argc == 4)
|
||||||
|
{
|
||||||
|
u32 value;
|
||||||
|
if ((retval = arm926ejs_read_cp15(target, ARM926EJS_CP15_ADDR(opcode_1, opcode_2, CRn, CRm), &value)) != ERROR_OK)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "couldn't access register");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
jtag_execute_queue();
|
||||||
|
|
||||||
|
command_print(cmd_ctx, "%i %i %i %i: %8.8x", opcode_1, opcode_2, CRn, CRm, value);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
u32 value = strtoul(args[4], NULL, 0);
|
||||||
|
if ((retval = arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(opcode_1, opcode_2, CRn, CRm), value)) != ERROR_OK)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "couldn't access register");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
command_print(cmd_ctx, "%i %i %i %i: %8.8x", opcode_1, opcode_2, CRn, CRm, value);
|
||||||
|
}
|
||||||
|
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_handle_cache_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
||||||
|
{
|
||||||
|
target_t *target = get_current_target(cmd_ctx);
|
||||||
|
armv4_5_common_t *armv4_5;
|
||||||
|
arm7_9_common_t *arm7_9;
|
||||||
|
arm9tdmi_common_t *arm9tdmi;
|
||||||
|
arm926ejs_common_t *arm926ejs;
|
||||||
|
|
||||||
|
if (arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs) != ERROR_OK)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "current target isn't an ARM926EJ-S target");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return armv4_5_handle_cache_info_command(cmd_ctx, &arm926ejs->armv4_5_mmu.armv4_5_cache);
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
|
||||||
|
{
|
||||||
|
target_t *target = get_current_target(cmd_ctx);
|
||||||
|
armv4_5_common_t *armv4_5;
|
||||||
|
arm7_9_common_t *arm7_9;
|
||||||
|
arm9tdmi_common_t *arm9tdmi;
|
||||||
|
arm926ejs_common_t *arm926ejs;
|
||||||
|
arm_jtag_t *jtag_info;
|
||||||
|
|
||||||
|
if (arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs) != ERROR_OK)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "current target isn't an ARM926EJ-S target");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
jtag_info = &arm7_9->jtag_info;
|
||||||
|
|
||||||
|
if (target->state != TARGET_HALTED)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return armv4_5_mmu_handle_virt2phys_command(cmd_ctx, cmd, args, argc, target, &arm926ejs->armv4_5_mmu);
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_handle_md_phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
|
||||||
|
{
|
||||||
|
target_t *target = get_current_target(cmd_ctx);
|
||||||
|
armv4_5_common_t *armv4_5;
|
||||||
|
arm7_9_common_t *arm7_9;
|
||||||
|
arm9tdmi_common_t *arm9tdmi;
|
||||||
|
arm926ejs_common_t *arm926ejs;
|
||||||
|
arm_jtag_t *jtag_info;
|
||||||
|
|
||||||
|
if (arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs) != ERROR_OK)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "current target isn't an ARM926EJ-S target");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
jtag_info = &arm7_9->jtag_info;
|
||||||
|
|
||||||
|
if (target->state != TARGET_HALTED)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return armv4_5_mmu_handle_md_phys_command(cmd_ctx, cmd, args, argc, target, &arm926ejs->armv4_5_mmu);
|
||||||
|
}
|
||||||
|
|
||||||
|
int arm926ejs_handle_mw_phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
|
||||||
|
{
|
||||||
|
target_t *target = get_current_target(cmd_ctx);
|
||||||
|
armv4_5_common_t *armv4_5;
|
||||||
|
arm7_9_common_t *arm7_9;
|
||||||
|
arm9tdmi_common_t *arm9tdmi;
|
||||||
|
arm926ejs_common_t *arm926ejs;
|
||||||
|
arm_jtag_t *jtag_info;
|
||||||
|
|
||||||
|
if (arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs) != ERROR_OK)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "current target isn't an ARM926EJ-S target");
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
jtag_info = &arm7_9->jtag_info;
|
||||||
|
|
||||||
|
if (target->state != TARGET_HALTED)
|
||||||
|
{
|
||||||
|
command_print(cmd_ctx, "target must be stopped for \"%s\" command", cmd);
|
||||||
|
return ERROR_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
return armv4_5_mmu_handle_mw_phys_command(cmd_ctx, cmd, args, argc, target, &arm926ejs->armv4_5_mmu);
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,44 @@
|
||||||
|
/***************************************************************************
|
||||||
|
* Copyright (C) 2007 by Dominic Rath *
|
||||||
|
* Dominic.Rath@gmx.de *
|
||||||
|
* *
|
||||||
|
* 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. *
|
||||||
|
***************************************************************************/
|
||||||
|
#ifndef ARM926EJS_H
|
||||||
|
#define ARM926EJS_H
|
||||||
|
|
||||||
|
#include "target.h"
|
||||||
|
#include "register.h"
|
||||||
|
#include "embeddedice.h"
|
||||||
|
#include "arm_jtag.h"
|
||||||
|
#include "arm9tdmi.h"
|
||||||
|
#include "armv4_5_mmu.h"
|
||||||
|
#include "armv4_5_cache.h"
|
||||||
|
|
||||||
|
#define ARM926EJS_COMMON_MAGIC 0xa926a926
|
||||||
|
|
||||||
|
typedef struct arm926ejs_common_s
|
||||||
|
{
|
||||||
|
int common_magic;
|
||||||
|
armv4_5_mmu_common_t armv4_5_mmu;
|
||||||
|
arm9tdmi_common_t arm9tdmi_common;
|
||||||
|
u32 cp15_control_reg;
|
||||||
|
u32 d_fsr;
|
||||||
|
u32 i_fsr;
|
||||||
|
u32 d_far;
|
||||||
|
} arm926ejs_common_t;
|
||||||
|
|
||||||
|
#endif /* ARM926EJS_H */
|
||||||
|
|
@ -76,6 +76,7 @@ extern target_type_t arm720t_target;
|
||||||
extern target_type_t arm9tdmi_target;
|
extern target_type_t arm9tdmi_target;
|
||||||
extern target_type_t arm920t_target;
|
extern target_type_t arm920t_target;
|
||||||
extern target_type_t arm966e_target;
|
extern target_type_t arm966e_target;
|
||||||
|
extern target_type_t arm926ejs_target;
|
||||||
|
|
||||||
target_type_t *target_types[] =
|
target_type_t *target_types[] =
|
||||||
{
|
{
|
||||||
|
|
@ -84,6 +85,7 @@ target_type_t *target_types[] =
|
||||||
&arm920t_target,
|
&arm920t_target,
|
||||||
&arm720t_target,
|
&arm720t_target,
|
||||||
&arm966e_target,
|
&arm966e_target,
|
||||||
|
&arm926ejs_target,
|
||||||
NULL,
|
NULL,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue