- added manpage for OpenOCD (thanks to Uwe Hermann)
authordrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 14 Jun 2007 09:47:00 +0000 (09:47 +0000)
committerdrath <drath@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 14 Jun 2007 09:47:00 +0000 (09:47 +0000)
- fixed bug in ARM926EJ-S cache handling that caused cache linefills to be disabled after first debug entry
- added support for auto image type detection (thanks to Vincent Palatin)
- further work on ETM trace decoding (tested with a ETB interface using an ETM in normal 16-bit port mode, still experimental)

git-svn-id: svn://svn.berlios.de/openocd/trunk@169 b42882b7-edfa-0310-969c-e2dbd0fdcd60

16 files changed:
README
configure.in
doc/openocd.1 [new file with mode: 0644]
src/flash/flash.c
src/helper/fileio.c
src/openocd.c
src/target/arm926ejs.c
src/target/arm_disassembler.c
src/target/arm_disassembler.h
src/target/etb.c
src/target/etm.c
src/target/etm.h
src/target/image.c
src/target/image.h
src/target/target.c
src/target/trace.h

diff --git a/README b/README
index 3dc5865..2defb5d 100644 (file)
--- a/README
+++ b/README
@@ -2,7 +2,7 @@
 
                         Free and Open On-Chip Debugging, In-System Programming 
                                                   and Boundary-Scan Testing
-                                 Copyright (c) 2004, 2005, 2006 Dominic Rath
+                                 Copyright (c) 2004-2007 Dominic Rath
 
 The debugger uses an IEEE 1149-1 compliant JTAG TAP bus master to access on-chip
 debug functionality available on ARM7 and ARM9 based microcontrollers /
@@ -67,22 +67,28 @@ with many Linux distributions.
 
 2. Supported cores
 
-This version of openocd supports the following cores:
+This version of openocd supports the following ARM7/9 cores:
 
 - ARM7TDMI(-s)
 - ARM9TDMI
 - ARM920t
 - ARM922t
+- ARM926ej-s
 - ARM966e
 
-Support for Intel XScale CPUs (PXA25x, PXA27x and IXP4xx) is currently being
-developed.
+Support for Intel XScale CPUs is also included:
 
+- PXA25x
+- IXP42x
+
+PXA27x debugging should be similar to the PXA25x but fails in the current
+version of OpenOCD.
 3. Host platforms
 
 OpenOCD was originally developed on x86-Linux, but has since then been ported
 to run on Windows/Cygwin, native Windows with MinGW, FreeBSD, x86-64-Linux and
-(though it's not fully working yet) PowerPC OS-X.
+PowerPC OS-X.
 
 4. Documentation
 
index cdee2b8..69b1510 100644 (file)
@@ -4,6 +4,8 @@ AC_SEARCH_LIBS([ioperm], [ioperm])
 
 AC_CANONICAL_HOST
 
+AC_CHECK_HEADERS(sys/param.h)
+
 AC_C_BIGENDIAN
 
 AC_CHECK_FUNCS(strndup)
diff --git a/doc/openocd.1 b/doc/openocd.1
new file mode 100644 (file)
index 0000000..d313530
--- /dev/null
@@ -0,0 +1,103 @@
+.TH "OPENOCD" "1" "May 03, 2007" "" ""
+.SH "NAME"
+openocd \- A free and open on\-chip debugging, in\-system programming and
+boundary\-scan testing tool for ARM systems (currently ARM7/9 and XScale, Cortex\-M3 support to be merged)
+.SH "SYNOPSIS"
+.B openocd \fR[\fB\-fdlh\fR] [\fB\-\-file\fR <filename>] [\fB\-\-debug\fR <debuglevel>] [\fB\-\-log_output\fR <filename>] [\fB\-\-help]
+.SH "DESCRIPTION"
+.B OpenOCD
+is an on\-chip debugging, in\-system programming and boundary\-scan
+testing tool for ARM systems.
+.PP 
+The debugger uses an IEEE 1149\-1 compliant JTAG TAP bus master to access
+on\-chip debug functionality available on ARM7/9 and XScale based
+microcontrollers / system\-on\-chip solutions.
+.PP 
+User interaction is realized through a telnet command line interface and
+a gdb (the GNU debugger) remote protocol server.
+.PP 
+OpenOCD supports various different types of JTAG interfaces/programmers:
+  * Parallel port wigglers
+  * Amontec JTAG Accelerator
+  * FTDI FT2232 based USB devices
+  * USBJTAG
+  * OOCD\-Link
+  * Amontec JTAGkey
+  * Amontec JTAGkey\-Tiny
+  * Olimex ARM\-USB\-OCD
+  * eVerve Signalyzer
+  * ... other FT2232 based dongles
+.PP 
+It also supports a number of different ARM7/9 cores:
+  * ARM7TDMI(\-s)
+  * ARM720t
+  * ARM9TDMI
+  * ARM920t
+  * ARM922t
+  * ARM926ej\-s
+  * ARM966e
+.PP 
+Support for Intel XScale CPUs is also included:
+  * PXA25x
+  * IXP42x
+
+PXA27x debugging should be similar to the PXA25x but fails in the current
+version of OpenOCD.
+.SH "OPTIONS"
+.TP 
+.B "\-f, \-\-file <filename>"
+Use configuration file
+.BR <filename> .
+If this option is omitted, the config file
+.B openocd.cfg
+in the current working directory will be used.
+.TP 
+.B "\-d, \-\-debug <debuglevel>"
+Set debug level. Possible values are:
+.br 
+.RB "  * " 0 " (errors)"
+.br 
+.RB "  * " 1 " (warnings)"
+.br 
+.RB "  * " 2 " (informational messages)"
+.br 
+.RB "  * " 3 " (debug messages)"
+.br 
+The default level is
+.BR 2 .
+.TP 
+.B "\-l, \-\-log_output <filename>"
+Redirect log output to the file
+.BR <filename> .
+Per default the log output is printed on
+.BR stderr .
+.TP 
+.B "\-h, \-\-help"
+Show a help text and exit.
+.\".TP 
+.\".B "\-v, \-\-version"
+.\"Show version information and exit.
+.SH "BUGS"
+Please report any bugs at
+.B http://developer.berlios.de/bugs/?group_id=4148
+or on the mailing list
+.BR openocd\-development@lists.berlios.de .
+.SH "LICENCE"
+.B OpenOCD
+is covered by the GNU General Public License (GPL), version 2 or later.
+.\"
+.SH "SEE ALSO"
+
+.SH "AUTHORS"
+Dominic Rath <Dominic.Rath@gmx.de>
+.br 
+Magnus Lundin <lundin@mlu.mine.nu>
+.br 
+Michael Fischer <fischermi@t\-online.de>
+.br 
+Spencer Oliver <spen@spen\-soft.co.uk>
+.br 
+and others
+.PP 
+This manual page was written by Uwe Hermann <uwe@hermann\-uwe.de>.
+It is licensed under the terms of the GNU GPL (v2 or later).
index 58a467d..fecb89b 100644 (file)
@@ -511,8 +511,6 @@ int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, cha
        
        duration_start_measure(&duration);
        
-       identify_image_type(&image.type, (argc == 4) ? args[3] : NULL);
-
        image.base_address_set = 1;
        image.base_address = strtoul(args[1], NULL, 0);
        
@@ -526,7 +524,7 @@ int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, cha
                return ERROR_OK;
        }
        
-       if (image_open(&image, args[1], FILEIO_READ) != ERROR_OK)
+       if (image_open(&image, args[1], (argc == 4) ? args[3] : NULL) != ERROR_OK)
        {
                command_print(cmd_ctx, "flash write error: %s", image.error_str);
                return ERROR_OK;
index 3a760cd..7075fc1 100644 (file)
@@ -258,6 +258,27 @@ int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read)
        }
 }
 
+int fileio_read_u32(fileio_t *fileio, u32 *data)
+{
+       u8 buf[4];
+       u32 size_read;
+       int retval;
+       
+       switch (fileio->location)
+       {
+               case FILEIO_LOCAL:
+                       if ((retval = fileio_local_read(fileio, 4, buf, &size_read)) != ERROR_OK)
+                               return retval;
+                       *data = be_to_h_u32(buf);
+                       break;
+               default:
+                       ERROR("BUG: should never get here");
+                       exit(-1);
+       }
+       
+       return ERROR_OK;
+}
+
 int fileio_local_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
 {
        fileio_local_t *fileio_local = fileio->location_private;
@@ -280,3 +301,24 @@ int fileio_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written)
        
        return ERROR_OK;
 }
+
+int fileio_write_u32(fileio_t *fileio, u32 data)
+{
+       u8 buf[4];
+       u32 size_written;
+       int retval;
+       
+       h_u32_to_be(buf, data);
+       
+       switch (fileio->location)
+       {
+               case FILEIO_LOCAL:
+                       if ((retval = fileio_local_write(fileio, 4, buf, &size_written)) != ERROR_OK)
+                               return retval;
+                       break;
+               default:
+                       ERROR("BUG: should never get here");
+       }
+       
+       return ERROR_OK;
+}
index 9601b9e..ac8e2fe 100644 (file)
@@ -18,7 +18,7 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#define OPENOCD_VERSION "Open On-Chip Debugger (2007-05-30 17:45 CEST)"
+#define OPENOCD_VERSION "Open On-Chip Debugger (2007-06-14 12:00 CEST)"
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
index 89fbfae..b62bc49 100644 (file)
@@ -477,7 +477,7 @@ void arm926ejs_pre_restore_context(target_t *target)
        /* 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;
+       cache_dbg_ctrl &= ~0x7;
        arm926ejs_write_cp15(target, ARM926EJS_CP15_ADDR(7, 0, 15, 0), cache_dbg_ctrl);
 }
 
index 1c275f5..ed7fe65 100644 (file)
@@ -2080,3 +2080,37 @@ int thumb_evaluate_opcode(u16 opcode, u32 address, arm_instruction_t *instructio
        return -1;
 }
 
+int arm_access_size(arm_instruction_t *instruction)
+{
+       if ((instruction->type == ARM_LDRB)
+               || (instruction->type == ARM_LDRBT)
+               || (instruction->type == ARM_LDRSB)
+               || (instruction->type == ARM_STRB)
+               || (instruction->type == ARM_STRBT))
+       {
+               return 1;
+       }
+       else if ((instruction->type == ARM_LDRH)
+               || (instruction->type == ARM_LDRSH)
+               || (instruction->type == ARM_STRH))
+       {
+               return 2;
+       }
+       else if ((instruction->type == ARM_LDR)
+               || (instruction->type == ARM_LDRT)
+               || (instruction->type == ARM_STR)
+               || (instruction->type == ARM_STRT))
+       {
+               return 4;
+       }
+       else if ((instruction->type == ARM_LDRD)
+               || (instruction->type == ARM_STRD))
+       {
+               return 8;
+       }
+       else
+       {
+               ERROR("BUG: instruction type %i isn't a load/store instruction", instruction->type);
+               return 0;
+       }
+}
index bdab113..d0fcabd 100644 (file)
@@ -196,6 +196,7 @@ typedef struct arm_instruction_s
 
 extern int arm_evaluate_opcode(u32 opcode, u32 address, arm_instruction_t *instruction);
 extern int thumb_evaluate_opcode(u16 opcode, u32 address, arm_instruction_t *instruction);
+extern int arm_access_size(arm_instruction_t *instruction);
 
 #define COND(opcode) (arm_condition_strings[(opcode & 0xf0000000)>>28])
 
index 257c4b1..81e20af 100644 (file)
@@ -582,11 +582,29 @@ int etb_read_trace(etm_context_t *etm_ctx)
                {
                        etm_ctx->trace_data[j].pipestat = trace_data[i] & 0x7;
                        etm_ctx->trace_data[j].packet = (trace_data[i] & 0x7f8) >> 3;
-                       etm_ctx->trace_data[j].tracesync = (trace_data[i] & 0x800) >> 11;
+                       etm_ctx->trace_data[j].flags = 0;
+                       if ((trace_data[i] & 0x800) >> 11)
+                       {
+                               etm_ctx->trace_data[j].flags |= ETMV1_TRACESYNC_CYCLE;
+                       }
+                       if (etm_ctx->trace_data[j].pipestat == STAT_TR)
+                       {
+                               etm_ctx->trace_data[j].pipestat = etm_ctx->trace_data[j].packet & 0x7;
+                               etm_ctx->trace_data[j].flags |= ETMV1_TRIGGER_CYCLE;
+                       }
 
                        etm_ctx->trace_data[j+1].pipestat = (trace_data[i] & 0x7000) >> 12;
                        etm_ctx->trace_data[j+1].packet = (trace_data[i] & 0x7f8000) >> 15;
-                       etm_ctx->trace_data[j+1].tracesync = (trace_data[i] & 0x800000) >> 23;
+                       etm_ctx->trace_data[j+1].flags = 0;
+                       if ((trace_data[i] & 0x800000) >> 23)
+                       {
+                               etm_ctx->trace_data[j+1].flags |= ETMV1_TRACESYNC_CYCLE;
+                       }
+                       if (etm_ctx->trace_data[j+1].pipestat == STAT_TR)
+                       {
+                               etm_ctx->trace_data[j+1].pipestat = etm_ctx->trace_data[j+1].packet & 0x7;
+                               etm_ctx->trace_data[j+1].flags |= ETMV1_TRIGGER_CYCLE;
+                       }
                        
                        j += 2;
                }
@@ -594,7 +612,16 @@ int etb_read_trace(etm_context_t *etm_ctx)
                {
                        etm_ctx->trace_data[j].pipestat = trace_data[i] & 0x7;
                        etm_ctx->trace_data[j].packet = (trace_data[i] & 0x7fff8) >> 3;
-                       etm_ctx->trace_data[j].tracesync = (trace_data[i] & 0x80000) >> 19;
+                       etm_ctx->trace_data[j].flags = 0;
+                       if ((trace_data[i] & 0x80000) >> 19)
+                       {
+                               etm_ctx->trace_data[j].flags |= ETMV1_TRACESYNC_CYCLE;
+                       }
+                       if (etm_ctx->trace_data[j].pipestat == STAT_TR)
+                       {
+                               etm_ctx->trace_data[j].pipestat = etm_ctx->trace_data[j].packet & 0x7;
+                               etm_ctx->trace_data[j].flags |= ETMV1_TRIGGER_CYCLE;
+                       }
                        
                        j += 1;
                }
index 02c3310..a775bbd 100644 (file)
@@ -28,6 +28,8 @@
 
 #include "armv4_5.h"
 #include "arm7_9_common.h"
+#include "arm_disassembler.h"
+#include "arm_simulator.h"
 
 #include "log.h"
 #include "arm_jtag.h"
@@ -482,39 +484,499 @@ char *etmv1v1_branch_reason_strings[] =
        "reserved",
 };
 
-int etmv1_next_packet(etm_context_t *ctx, u8 *packet)
+int etm_read_instruction(etm_context_t *ctx, arm_instruction_t *instruction)
 {
+       int i;
+       int section = -1;
+       u32 size_read;
+       u32 opcode;
+       int retval;
        
+       if (!ctx->image)
+               return ERROR_TRACE_IMAGE_UNAVAILABLE;
+       
+       /* search for the section the current instruction belongs to */ 
+       for (i = 0; i < ctx->image->num_sections; i++)
+       {
+               if ((ctx->image->sections[i].base_address <= ctx->current_pc) &&
+                       (ctx->image->sections[i].base_address + ctx->image->sections[i].size > ctx->current_pc))
+               {
+                       section = i;
+                       break;
+               }
+       }
+       
+       if (section == -1)
+       {
+               /* current instruction couldn't be found in the image */
+               return ERROR_TRACE_INSTRUCTION_UNAVAILABLE;
+       }
+       
+       if (ctx->core_state == ARMV4_5_STATE_ARM)
+       {
+               u8 buf[4];
+               if ((retval = image_read_section(ctx->image, section, 
+                       ctx->current_pc - ctx->image->sections[section].base_address,
+                       4, buf, &size_read)) != ERROR_OK)
+               {
+                       ERROR("error while reading instruction: %i", retval);
+                       return ERROR_TRACE_INSTRUCTION_UNAVAILABLE;
+               }
+               opcode = target_buffer_get_u32(ctx->target, buf);
+               arm_evaluate_opcode(opcode, ctx->current_pc, instruction);
+       }
+       else if (ctx->core_state == ARMV4_5_STATE_THUMB)
+       {
+               u8 buf[2];
+               if ((retval = image_read_section(ctx->image, section, 
+                       ctx->current_pc - ctx->image->sections[section].base_address,
+                       2, buf, &size_read)) != ERROR_OK)
+               {
+                       ERROR("error while reading instruction: %i", retval);
+                       return ERROR_TRACE_INSTRUCTION_UNAVAILABLE;
+               }
+               opcode = target_buffer_get_u16(ctx->target, buf);
+               thumb_evaluate_opcode(opcode, ctx->current_pc, instruction);
+       }
+       else if (ctx->core_state == ARMV4_5_STATE_JAZELLE)
+       {
+               ERROR("BUG: tracing of jazelle code not supported");
+               exit(-1);
+       }
+       else
+       {
+               ERROR("BUG: unknown core state encountered");
+               exit(-1);
+       }
        
        return ERROR_OK;
 }
 
-int etmv1_analyse_trace(etm_context_t *ctx)
+int etmv1_next_packet(etm_context_t *ctx, u8 *packet, int apo)
+{
+       while (ctx->data_index < ctx->trace_depth)
+       {
+               /* if the caller specified an address packet offset, skip until the
+                * we reach the n-th cycle marked with tracesync */
+               if (apo > 0)
+               {
+                       if (ctx->trace_data[ctx->data_index].flags & ETMV1_TRACESYNC_CYCLE)
+                               apo--;
+                       
+                       if (apo > 0)
+                       {
+                               ctx->data_index++;
+                               ctx->data_half = 0;
+                       }
+                       continue;
+               }
+               
+               /* no tracedata output during a TD cycle
+                * or in a trigger cycle */
+               if ((ctx->trace_data[ctx->data_index].pipestat == STAT_TD)
+                       || (ctx->trace_data[ctx->data_index].flags & ETMV1_TRIGGER_CYCLE))
+               {
+                       ctx->data_index++;
+                       ctx->data_half = 0;
+                       continue;
+               }
+               
+               if ((ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_16BIT)
+               {
+                       if (ctx->data_half == 0)
+                       {
+                               *packet = ctx->trace_data[ctx->data_index].packet & 0xff;
+                               ctx->data_half = 1;
+                       }
+                       else
+                       {
+                               *packet = (ctx->trace_data[ctx->data_index].packet & 0xff00) >> 8;
+                               ctx->data_half = 0;
+                               ctx->data_index++;
+                       }
+               }
+               else if ((ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_8BIT)
+               {
+                       *packet = ctx->trace_data[ctx->data_index].packet & 0xff;
+                       ctx->data_index++;
+               }
+               else
+               {
+                       /* on a 4-bit port, a packet will be output during two consecutive cycles */
+                       if (ctx->data_index > (ctx->trace_depth - 2))
+                               return -1;
+                       
+                       *packet = ctx->trace_data[ctx->data_index].packet & 0xf;
+                       *packet |= (ctx->trace_data[ctx->data_index + 1].packet & 0xf) << 4;
+                       ctx->data_index += 2;
+               }
+                                       
+               return 0;
+       }
+       
+       return -1;
+}
+
+int etmv1_branch_address(etm_context_t *ctx)
 {
+       int retval;
+       u8 packet;
+       int shift = 0;
+       int apo;
+       int i;
+       
+       /* quit analysis if less than two cycles are left in the trace
+        * because we can't extract the APO */
+       if (ctx->data_index > (ctx->trace_depth - 2))
+               return -1;
+               
+       /* a BE could be output during an APO cycle, skip the current
+        * and continue with the new one */
+       if (ctx->trace_data[ctx->pipe_index + 1].pipestat & 0x4)
+               return 1;
+       if (ctx->trace_data[ctx->pipe_index + 2].pipestat & 0x4)
+               return 2;
+               
+       /* address packet offset encoded in the next two cycles' pipestat bits */
+       apo = ctx->trace_data[ctx->pipe_index + 1].pipestat & 0x3;
+       apo |= (ctx->trace_data[ctx->pipe_index + 2].pipestat & 0x3) << 2;
+       
+       /* count number of tracesync cycles between current pipe_index and data_index
+        * i.e. the number of tracesyncs that data_index already passed by
+        * to subtract them from the APO */
+       for (i = ctx->pipe_index; i < ctx->data_index; i++)
+       {
+               if (ctx->trace_data[ctx->pipe_index + 1].pipestat & ETMV1_TRACESYNC_CYCLE)
+                       apo--;
+       }
+       
+       /* extract up to four 7-bit packets */
+       do {
+               if ((retval = etmv1_next_packet(ctx, &packet, (shift == 0) ? apo + 1 : 0)) != 0)
+                       return -1;
+               ctx->last_branch &= ~(0x7f << shift);
+               ctx->last_branch |= (packet & 0x7f) << shift;
+               shift += 7;
+       } while ((packet & 0x80) && (shift < 28));
+       
+       /* one last packet holding 4 bits of the address, plus the branch reason code */
+       if ((shift == 28) && (packet & 0x80))
+       {
+               if ((retval = etmv1_next_packet(ctx, &packet, 0)) != 0)
+                       return -1;
+               ctx->last_branch &= 0x0fffffff;
+               ctx->last_branch |= (packet & 0x0f) << 28;
+               ctx->last_branch_reason = (packet & 0x70) >> 4;
+               shift += 4;
+       }
+       else
+       {
+               ctx->last_branch_reason = 0;
+       }
+       
+       if (shift == 32)
+       {
+               ctx->pc_ok = 1;
+       }
+       
+       /* if a full address was output, we might have branched into Jazelle state */
+       if ((shift == 32) && (packet & 0x80))
+       {
+               ctx->core_state = ARMV4_5_STATE_JAZELLE;
+       }
+       else
+       {
+               /* if we didn't branch into Jazelle state, the current processor state is
+                * encoded in bit 0 of the branch target address */
+               if (ctx->last_branch & 0x1)
+               {
+                       ctx->core_state = ARMV4_5_STATE_THUMB;
+                       ctx->last_branch &= ~0x1;
+               }
+               else
+               {
+                       ctx->core_state = ARMV4_5_STATE_ARM;
+                       ctx->last_branch &= ~0x3;
+               }
+       }
+       
+       return 0;
+}
+
+int etmv1_data(etm_context_t *ctx, int size, u32 *data)
+{
+       int j;
+       u8 buf[4];
+       int retval;
+       
+       for (j = 0; j < size; j++)
+       {
+               if ((retval = etmv1_next_packet(ctx, &buf[j], 0)) != 0)
+                       return -1;
+       }
+       
+       if (size == 8)
+               ERROR("TODO: add support for 64-bit values");
+       else if (size == 4)
+               *data = target_buffer_get_u32(ctx->target, buf);
+       else if (size == 2)
+               *data = target_buffer_get_u16(ctx->target, buf);
+       else if (size == 1)
+               *data = buf[0];
+               
+       return 0;
+}
+
+int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd_ctx)
+{
+       int retval;
+       arm_instruction_t instruction;
+       
+       /* read the trace data if it wasn't read already */
+       if (ctx->trace_depth == 0)
+               ctx->capture_driver->read_trace(ctx);
+       
+       /* start at the beginning of the captured trace */
        ctx->pipe_index = 0;
        ctx->data_index = 0;
+       ctx->data_half = 0;
+
+       /* neither the PC nor the data pointer are valid */     
+       ctx->pc_ok = 0;
+       ctx->ptr_ok = 0;
        
        while (ctx->pipe_index < ctx->trace_depth)
        {
-               switch (ctx->trace_data[ctx->pipe_index].pipestat)
+               u8 pipestat = ctx->trace_data[ctx->pipe_index].pipestat;
+               u32 next_pc = ctx->current_pc;
+               u32 old_data_index = ctx->data_index;
+               u32 old_data_half = ctx->data_half;
+               
+               if (ctx->trace_data[ctx->pipe_index].flags & ETMV1_TRIGGER_CYCLE)
                {
-                       case STAT_IE:
-                       case STAT_ID:
-                               break;
-                       case STAT_IN:
-                               DEBUG("IN");
-                               break;
-                       case STAT_WT:
-                               DEBUG("WT");
-                               break;
-                       case STAT_BE:
-                       case STAT_BD:
-                               break;
-                       case STAT_TD:
-                               /* TODO: in cycle accurate trace, we have to count cycles */
-                               DEBUG("TD");
-                               break;
+                       command_print(cmd_ctx, "--- trigger ---");
                }
+               
+               /* if we don't have a valid pc skip until we reach an indirect branch */
+               if ((!ctx->pc_ok) && (pipestat != STAT_BE))
+               {
+                       ctx->pipe_index++;
+                       continue;
+               }
+               
+               /* any indirect branch could have interrupted instruction flow
+                * - the branch reason code could indicate a trace discontinuity
+                * - a branch to the exception vectors indicates an exception
+                */
+               if ((pipestat == STAT_BE) || (pipestat == STAT_BD))
+               {
+                       /* backup current data index, to be able to consume the branch address
+                        * before examining data address and values
+                        */
+                       old_data_index = ctx->data_index;
+                       old_data_half = ctx->data_half;
+                       
+                       if ((retval = etmv1_branch_address(ctx)) != 0)
+                       {
+                               /* negative return value from etmv1_branch_address means we ran out of packets,
+                                * quit analysing the trace */
+                               if (retval < 0)
+                                       break;
+                               
+                               /* a positive return values means the current branch was abandoned,
+                                * and a new branch was encountered in cycle ctx->pipe_index + retval;
+                                */
+                               WARNING("abandoned branch encountered, correctnes of analysis uncertain");
+                               ctx->pipe_index += retval;
+                               continue;
+                       }
+                       
+                       /* skip over APO cycles */
+                       ctx->pipe_index += 2;
+                       
+                       switch (ctx->last_branch_reason)
+                       {
+                               case 0x0:       /* normal PC change */
+                                       next_pc = ctx->last_branch;
+                                       break;
+                               case 0x1:       /* tracing enabled */
+                                       command_print(cmd_ctx, "--- tracing enabled at 0x%8.8x ---", ctx->last_branch);
+                                       ctx->current_pc = ctx->last_branch;
+                                       ctx->pipe_index++;
+                                       continue;
+                                       break;
+                               case 0x2:       /* trace restarted after FIFO overflow */
+                                       command_print(cmd_ctx, "--- trace restarted after FIFO overflow at 0x%8.8x ---", ctx->last_branch);
+                                       ctx->current_pc = ctx->last_branch;
+                                       ctx->pipe_index++;
+                                       continue;
+                                       break;
+                               case 0x3:       /* exit from debug state */
+                                       command_print(cmd_ctx, "--- exit from debug state at 0x%8.8x ---", ctx->last_branch);
+                                       ctx->current_pc = ctx->last_branch;
+                                       ctx->pipe_index++;
+                                       continue;
+                                       break;
+                               case 0x4:       /* periodic synchronization point */
+                                       next_pc = ctx->last_branch;
+                                       break;
+                               default:        /* reserved */
+                                       ERROR("BUG: branch reason code 0x%x is reserved", ctx->last_branch_reason);             
+                                       exit(-1);
+                                       break;
+                       }
+                       
+                       /* if we got here the branch was a normal PC change
+                        * (or a periodic synchronization point, which means the same for that matter)
+                        * if we didn't accquire a complete PC continue with the next cycle
+                        */
+                       if (!ctx->pc_ok)
+                               continue;
+                       
+                       /* indirect branch to the exception vector means an exception occured */
+                       if (((ctx->last_branch >= 0x0) && (ctx->last_branch <= 0x20))
+                               || ((ctx->last_branch >= 0xffff0000) && (ctx->last_branch <= 0xffff0020)))
+                       {
+                               if ((ctx->last_branch & 0xff) == 0x10)
+                               {
+                                       command_print(cmd_ctx, "data abort");
+                               }
+                               else
+                               {
+                                       command_print(cmd_ctx, "exception vector 0x%2.2x", ctx->last_branch);
+                                       ctx->current_pc = ctx->last_branch;
+                                       ctx->pipe_index++;
+                                       continue;
+                               }
+                       }
+               }
+               
+               /* an instruction was executed (or not, depending on the condition flags)
+                * retrieve it from the image for displaying */
+               if (ctx->pc_ok && (pipestat != STAT_WT) && (pipestat != STAT_TD) &&
+                       !(((pipestat == STAT_BE) || (pipestat == STAT_BD)) &&
+                               ((ctx->last_branch_reason != 0x0) && (ctx->last_branch_reason != 0x4))))  
+               {
+                       if ((retval = etm_read_instruction(ctx, &instruction)) != ERROR_OK)
+                       {
+                               /* can't continue tracing with no image available */
+                               if (retval == ERROR_TRACE_IMAGE_UNAVAILABLE)
+                               {
+                                       return retval;
+                               }
+                               else if (retval == ERROR_TRACE_INSTRUCTION_UNAVAILABLE)
+                               {
+                                       /* TODO: handle incomplete images */
+                               }
+                       }
+               }
+               
+               if ((pipestat == STAT_ID) || (pipestat == STAT_BD))
+               {
+                       u32 new_data_index = ctx->data_index;
+                       u32 new_data_half = ctx->data_half;
+                       
+                       /* in case of a branch with data, the branch target address was consumed before
+                        * we temporarily go back to the saved data index */
+                       if (pipestat == STAT_BD)
+                       {
+                               ctx->data_index = old_data_index;
+                               ctx->data_half = old_data_half;
+                       }
+                       
+                       if (ctx->tracemode & ETMV1_TRACE_ADDR)
+                       {                       
+                               u8 packet;
+                               int shift = 0;
+                               
+                               do {
+                                       if ((retval = etmv1_next_packet(ctx, &packet, 0)) != 0)
+                                               return -1;
+                                       ctx->last_ptr &= ~(0x7f << shift);
+                                       ctx->last_ptr |= (packet & 0x7f) << shift;
+                                       shift += 7;
+                               } while ((packet & 0x80) && (shift < 32));
+                               
+                               if (shift >= 32)
+                                       ctx->ptr_ok = 1;
+                               
+                               if (ctx->ptr_ok)
+                               {
+                                       command_print(cmd_ctx, "address: 0x%8.8x", ctx->last_ptr);
+                               }
+                       }
+                       
+                       if (ctx->tracemode & ETMV1_TRACE_DATA)
+                       {
+                               if ((instruction.type == ARM_LDM) || (instruction.type == ARM_STM))
+                               {
+                                       int i;
+                                       for (i = 0; i < 16; i++)
+                                       {
+                                               if (instruction.info.load_store_multiple.register_list & (1 << i))
+                                               {
+                                                       u32 data;
+                                                       if (etmv1_data(ctx, 4, &data) != 0)
+                                                               return -1;
+                                                       command_print(cmd_ctx, "data: 0x%8.8x", data);
+                                               }
+                                       }
+                               }
+                               else if ((instruction.type >= ARM_LDR) && (instruction.type <= ARM_STRH))
+                               {
+                                       u32 data;
+                                       if (etmv1_data(ctx, arm_access_size(&instruction), &data) != 0)
+                                               return -1;
+                                       command_print(cmd_ctx, "data: 0x%8.8x", data);
+                               }
+                       }
+                       
+                       /* restore data index after consuming BD address and data */
+                       if (pipestat == STAT_BD)
+                       {
+                               ctx->data_index = new_data_index;
+                               ctx->data_half = new_data_half;
+                       }
+               }
+               
+               /* adjust PC */
+               if ((pipestat == STAT_IE) || (pipestat == STAT_ID))
+               {
+                       if (((instruction.type == ARM_B) ||
+                               (instruction.type == ARM_BL) ||
+                               (instruction.type == ARM_BLX)) &&
+                               (instruction.info.b_bl_bx_blx.target_address != -1))
+                       {
+                               next_pc = instruction.info.b_bl_bx_blx.target_address;
+                       }
+                       else
+                       {
+                               next_pc += (ctx->core_state == ARMV4_5_STATE_ARM) ? 4 : 2;
+                       }
+               }
+               else if (pipestat == STAT_IN)
+               {
+                       next_pc += (ctx->core_state == ARMV4_5_STATE_ARM) ? 4 : 2;
+               }
+
+               if ((pipestat != STAT_TD) && (pipestat != STAT_WT))
+               {
+                       command_print(cmd_ctx, "%s%s",
+                               instruction.text, (pipestat == STAT_IN) ? " (not executed)" : "");
+
+                       ctx->current_pc = next_pc;
+                       
+                       /* packets for an instruction don't start on or before the preceding
+                        * functional pipestat (i.e. other than WT or TD)
+                        */
+                       if (ctx->data_index <= ctx->pipe_index)
+                       {
+                               ctx->data_index = ctx->pipe_index + 1;
+                               ctx->data_half = 0;
+                       }
+               }
+               
+               ctx->pipe_index += 1;
        }
        
        return ERROR_OK;
@@ -769,17 +1231,21 @@ int handle_etm_config_command(struct command_context_s *cmd_ctx, char *cmd, char
                }
        }
        
+       etm_ctx->target = target;
        etm_ctx->trace_data = NULL;
        etm_ctx->trace_depth = 0;
        etm_ctx->portmode = portmode;
        etm_ctx->tracemode = 0x0;
        etm_ctx->core_state = ARMV4_5_STATE_ARM;
+       etm_ctx->image = NULL;
        etm_ctx->pipe_index = 0;
        etm_ctx->data_index = 0;
        etm_ctx->current_pc = 0x0;
        etm_ctx->pc_ok = 0;
        etm_ctx->last_branch = 0x0;
+       etm_ctx->last_branch_reason = 0x0;
        etm_ctx->last_ptr = 0x0;
+       etm_ctx->ptr_ok = 0x0;
        etm_ctx->context_id = 0x0;
        
        arm7_9->etm_ctx = etm_ctx;
@@ -837,6 +1303,67 @@ int handle_etm_status_command(struct command_context_s *cmd_ctx, char *cmd, char
        return ERROR_OK;
 }
 
+int handle_etm_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+       target_t *target;
+       armv4_5_common_t *armv4_5;
+       arm7_9_common_t *arm7_9;
+       etm_context_t *etm_ctx;
+       int i;
+
+       if (argc < 1)
+       {
+               command_print(cmd_ctx, "usage: etm image <file> ['bin'|'ihex'|'elf'] [base address]");
+               return ERROR_OK;
+       }
+       
+       target = get_current_target(cmd_ctx);
+       
+       if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
+       {
+               command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
+               return ERROR_OK;
+       }
+       
+       if (!(etm_ctx = arm7_9->etm_ctx))
+       {
+               command_print(cmd_ctx, "current target doesn't have an ETM configured");
+               return ERROR_OK;
+       }
+       
+       if (etm_ctx->image)
+       {
+               image_close(etm_ctx->image);
+               free(etm_ctx->image);
+               command_print(cmd_ctx, "previously loaded image found and closed");
+       }
+       
+       etm_ctx->image = malloc(sizeof(image_t));
+       etm_ctx->image->base_address_set = 0;
+       etm_ctx->image->start_address_set = 0;
+       
+       for (i = 1; i < argc; i++)
+       {
+               /* optional argument could be image type */
+               if (identify_image_type(&etm_ctx->image->type, args[i], args[0]) == ERROR_IMAGE_TYPE_UNKNOWN)
+               {
+                       /* if it wasn't a valid image type, treat it as the base address */
+                       etm_ctx->image->base_address_set = 1;
+                       etm_ctx->image->base_address = strtoul(args[i], NULL, 0);
+               }
+       }
+       
+       if (image_open(etm_ctx->image, args[0], FILEIO_READ) != ERROR_OK)
+       {
+               command_print(cmd_ctx, "image opening error: %s", etm_ctx->image->error_str);
+               free(etm_ctx->image);
+               etm_ctx->image = NULL;
+               return ERROR_OK;
+       }
+       
+       return ERROR_OK;
+}
+
 int handle_etm_dump_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
        fileio_t file;
@@ -844,7 +1371,7 @@ int handle_etm_dump_command(struct command_context_s *cmd_ctx, char *cmd, char *
        armv4_5_common_t *armv4_5;
        arm7_9_common_t *arm7_9;
        etm_context_t *etm_ctx;
-       u32 size_written;
+       int i;
        
        if (argc != 1)
        {
@@ -889,7 +1416,17 @@ int handle_etm_dump_command(struct command_context_s *cmd_ctx, char *cmd, char *
                return ERROR_OK;
        }
        
-       //fileio_write(&file, etm_ctx->trace_depth * 4, (u8*)etm_ctx->trace_data, &size_written);
+       fileio_write_u32(&file, etm_ctx->capture_status);
+       fileio_write_u32(&file, etm_ctx->portmode);
+       fileio_write_u32(&file, etm_ctx->tracemode);
+       fileio_write_u32(&file, etm_ctx->trace_depth);
+       
+       for (i = 0; i < etm_ctx->trace_depth; i++)
+       {
+               fileio_write_u32(&file, etm_ctx->trace_data[i].pipestat);
+               fileio_write_u32(&file, etm_ctx->trace_data[i].packet);
+               fileio_write_u32(&file, etm_ctx->trace_data[i].flags);
+       }
        
        fileio_close(&file);
        
@@ -903,7 +1440,7 @@ int handle_etm_load_command(struct command_context_s *cmd_ctx, char *cmd, char *
        armv4_5_common_t *armv4_5;
        arm7_9_common_t *arm7_9;
        etm_context_t *etm_ctx;
-       u32 size_read;
+       int i;
        
        if (argc != 1)
        {
@@ -948,9 +1485,19 @@ int handle_etm_load_command(struct command_context_s *cmd_ctx, char *cmd, char *
                free(etm_ctx->trace_data);
        }
        
-       //fileio_read(&file, file.size, (u8*)etm_ctx->trace_data, &size_read);
-       etm_ctx->trace_depth = file.size / 4;
-       etm_ctx->capture_status = TRACE_COMPLETED;
+       fileio_read_u32(&file, &etm_ctx->capture_status);
+       fileio_read_u32(&file, &etm_ctx->portmode);
+       fileio_read_u32(&file, &etm_ctx->tracemode);
+       fileio_read_u32(&file, &etm_ctx->trace_depth);
+       
+       etm_ctx->trace_data = malloc(sizeof(etmv1_trace_data_t) * etm_ctx->trace_depth);
+       
+       for (i = 0; i < etm_ctx->trace_depth; i++)
+       {
+               fileio_read_u32(&file, &etm_ctx->trace_data[i].pipestat);
+               fileio_read_u32(&file, &etm_ctx->trace_data[i].packet);
+               fileio_read_u32(&file, &etm_ctx->trace_data[i].flags);
+       }
        
        fileio_close(&file);
        
@@ -1037,7 +1584,7 @@ int handle_etm_stop_command(struct command_context_s *cmd_ctx, char *cmd, char *
        return ERROR_OK;
 }
 
-int handle_etm_analyse_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+int handle_etm_analyze_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
        target_t *target;
        armv4_5_common_t *armv4_5;
@@ -1058,7 +1605,7 @@ int handle_etm_analyse_command(struct command_context_s *cmd_ctx, char *cmd, cha
                return ERROR_OK;
        }
        
-       etmv1_analyse_trace(etm_ctx);
+       etmv1_analyze_trace(etm_ctx, cmd_ctx);
        
        return ERROR_OK;
 }
@@ -1084,9 +1631,12 @@ int etm_register_user_commands(struct command_context_s *cmd_ctx)
        register_command(cmd_ctx, etm_cmd, "stop", handle_etm_stop_command,
                COMMAND_EXEC, "stop ETM trace collection");
 
-       register_command(cmd_ctx, etm_cmd, "analyze", handle_etm_stop_command,
+       register_command(cmd_ctx, etm_cmd, "analyze", handle_etm_analyze_command,
                COMMAND_EXEC, "anaylze collected ETM trace");
 
+       register_command(cmd_ctx, etm_cmd, "image", handle_etm_image_command,
+               COMMAND_EXEC, "load image from <file> [base address]");
+
        register_command(cmd_ctx, etm_cmd, "dump", handle_etm_dump_command,
                COMMAND_EXEC, "dump captured trace data <file>");
        register_command(cmd_ctx, etm_cmd, "load", handle_etm_load_command,
index 65fd757..0b7b05a 100644 (file)
@@ -120,11 +120,17 @@ typedef struct etm_capture_driver_s
        int (*stop_capture)(struct etm_context_s *etm_ctx);\r
 } etm_capture_driver_t;\r
 \r
+enum\r
+{\r
+       ETMV1_TRACESYNC_CYCLE = 0x1,\r
+       ETMV1_TRIGGER_CYCLE = 0x2,\r
+};\r
+\r
 typedef struct etmv1_trace_data_s\r
 {\r
-       u8 pipestat;    /* pipeline cycle this packet belongs to */\r
-       u16 packet;     /* packet data (4, 8 or 16 bit) */\r
-       int tracesync;  /* 1 if tracesync was set on this packet */\r
+       u8 pipestat;    /* bits 0-2 pipeline status */\r
+       u16 packet;             /* packet data (4, 8 or 16 bit) */\r
+       int flags;              /* ETMV1_TRACESYNC_CYCLE, ETMV1_TRIGGER_CYCLE */\r
 } etmv1_trace_data_t;\r
 \r
 /* describe a trace context\r
@@ -134,6 +140,7 @@ typedef struct etmv1_trace_data_s
  */\r
 typedef struct etm_context_s\r
 {\r
+       target_t *target;                               /* target this ETM is connected to */\r
        reg_cache_t *reg_cache;                 /* ETM register cache */\r
        etm_capture_driver_t *capture_driver;   /* driver used to access ETM data */\r
        void *capture_driver_priv;              /* capture driver private data */\r
@@ -143,13 +150,16 @@ typedef struct etm_context_s
        etm_portmode_t portmode;                /* normal, multiplexed or demultiplexed */\r
        etmv1_tracemode_t tracemode;    /* type of information the trace contains (data, addres, contextID, ...) */ \r
        armv4_5_state_t core_state;             /* current core state (ARM, Thumb, Jazelle) */\r
-       image_t image;                                  /* source for target opcodes */\r
+       image_t *image;                                 /* source for target opcodes */\r
        u32 pipe_index;                                 /* current trace cycle */\r
        u32 data_index;                                 /* cycle holding next data packet */\r
+       int data_half;                                  /* port half on a 16 bit port */\r
        u32 current_pc;                                 /* current program counter */\r
        u32 pc_ok;                                              /* full PC has been acquired */\r
        u32 last_branch;                                /* last branch address output */ \r
+       u32 last_branch_reason;                 /* branch reason code for the last branch encountered */\r
        u32 last_ptr;                                   /* address of the last data access */\r
+       u32 ptr_ok;                                             /* whether last_ptr is valid */ \r
        u32 context_id;                                 /* context ID of the code being traced */\r
 } etm_context_t;\r
 \r
index 1f65e3f..0cac1c1 100644 (file)
        ((elf->endianness==ELFDATA2LSB)? \
                le_to_h_u32((u8*)&field):be_to_h_u32((u8*)&field)) 
 
+static int autodetect_image_type(image_t *image, char *url)
+{
+       int retval;
+       fileio_t fileio;
+       u32 read_bytes;
+       u8 buffer[9];
+       
+       /* read the first 4 bytes of image */
+       if ((retval = fileio_open(&fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK)
+       {
+               snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot open image: %s", fileio.error_str); 
+               ERROR(image->error_str);
+               return retval;
+       }
+       if ((retval = fileio_read(&fileio, 9, buffer, &read_bytes)) != ERROR_OK)
+       {
+               snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot read image header: %s", fileio.error_str);
+               ERROR(image->error_str);
+               return ERROR_FILEIO_OPERATION_FAILED;
+       }
+       if (read_bytes != 9)
+       {
+               snprintf(image->error_str, IMAGE_MAX_ERROR_STRING, "cannot read image, only partially read");
+               ERROR(image->error_str);
+               return ERROR_FILEIO_OPERATION_FAILED;
+       }
+       fileio_close(&fileio);
+
+       /* check header against known signatures */
+       if (strncmp((char*)buffer,ELFMAG,SELFMAG)==0)
+       {
+               DEBUG("ELF image detected.");
+               image->type = IMAGE_ELF;
+       }
+       else if  ((buffer[0]==':') /* record start byte */
+               &&(isxdigit(buffer[1]))
+               &&(isxdigit(buffer[2]))
+               &&(isxdigit(buffer[3]))
+               &&(isxdigit(buffer[4]))
+               &&(isxdigit(buffer[5]))
+               &&(isxdigit(buffer[6]))
+               &&(buffer[7]=='0') /* record type : 00 -> 05 */
+               &&(buffer[8]>='0')&&(buffer[8]<'6'))
+       {
+               DEBUG("IHEX image detected.");
+               image->type = IMAGE_IHEX;
+       }
+       else
+       {
+               image->type = IMAGE_BINARY;
+       }
+
+       return ERROR_OK;
+}
+
+int identify_image_type(image_t *image, char *type_string, char *url)
+{
+       if (type_string)
+       {
+               if (!strcmp(type_string, "bin"))
+               {
+                       image->type = IMAGE_BINARY;
+               }
+               else if (!strcmp(type_string, "ihex"))
+               {
+                       image->type = IMAGE_IHEX;
+               }
+               else if (!strcmp(type_string, "elf"))
+               {
+                       image->type = IMAGE_ELF;
+               }
+               else if (!strcmp(type_string, "mem"))
+               {
+                       image->type = IMAGE_MEMORY;
+               }
+               else
+               {
+                       return ERROR_IMAGE_TYPE_UNKNOWN;
+               }
+       }
+       else
+       {
+               return autodetect_image_type(image, url);
+       }
+       
+       return ERROR_OK;
+}
+
 int image_ihex_buffer_complete(image_t *image)
 {
        image_ihex_t *ihex = image->type_private;
@@ -334,10 +422,15 @@ int image_elf_read_section(image_t *image, int section, u32 offset, u32 size, u8
        return ERROR_OK;
 }
 
-int image_open(image_t *image, void *source, enum fileio_access access)
+int image_open(image_t *image, void *source, char *type_string)
 {
        int retval = ERROR_OK;
        
+       if ((retval = identify_image_type(image, type_string, source)) != ERROR_OK)
+       {
+               return retval;
+       } 
+       
        if (image->type == IMAGE_BINARY)
        {
                image_binary_t *image_binary;
@@ -345,7 +438,7 @@ int image_open(image_t *image, void *source, enum fileio_access access)
                
                image_binary = image->type_private = malloc(sizeof(image_binary_t));
                
-               if ((retval = fileio_open(&image_binary->fileio, url, access, FILEIO_BINARY)) != ERROR_OK)
+               if ((retval = fileio_open(&image_binary->fileio, url, FILEIO_READ, FILEIO_BINARY)) != ERROR_OK)
                {
                        strncpy(image->error_str, image_binary->fileio.error_str, IMAGE_MAX_ERROR_STRING); 
                        ERROR(image->error_str);
@@ -368,14 +461,6 @@ int image_open(image_t *image, void *source, enum fileio_access access)
                image_ihex_t *image_ihex;
                char *url = source;
                
-               if (access != FILEIO_READ)
-               {
-                       snprintf(image->error_str, IMAGE_MAX_ERROR_STRING,
-                               "can't open IHEX file for writing");
-                       ERROR(image->error_str);
-                       return ERROR_FILEIO_ACCESS_NOT_SUPPORTED;
-               }
-               
                image_ihex = image->type_private = malloc(sizeof(image_ihex_t));
                
                if ((retval = fileio_open(&image_ihex->fileio, url, FILEIO_READ, FILEIO_TEXT)) != ERROR_OK)
@@ -493,9 +578,6 @@ int image_close(image_t *image)
                
                fileio_close(&image_ihex->fileio);
                
-               if (image_ihex->section_pointer)
-                       free(image_ihex->section_pointer);
-               
                if (image_ihex->buffer)
                        free(image_ihex->buffer);
        }
@@ -524,32 +606,3 @@ int image_close(image_t *image)
        
        return ERROR_OK;
 }
-
-int identify_image_type(image_type_t *type, char *type_string)
-{
-       if (type_string)
-       {
-               if (!strcmp(type_string, "bin"))
-               {
-                       *type = IMAGE_BINARY;
-               }
-               else if (!strcmp(type_string, "ihex"))
-               {
-                       *type = IMAGE_IHEX;
-               }
-               else if (!strcmp(type_string, "elf"))
-               {
-                       *type = IMAGE_ELF;
-               }
-               else
-               {
-                       return ERROR_IMAGE_TYPE_UNKNOWN;
-               }
-       }
-       else
-       {
-               *type = IMAGE_BINARY;
-       }
-       
-       return ERROR_OK;
-}
index 38a2b77..074b906 100644 (file)
@@ -24,7 +24,7 @@
 #include "fileio.h"
 #include "target.h"
 
-#define IMAGE_MAX_ERROR_STRING         (128)
+#define IMAGE_MAX_ERROR_STRING         (256)
 #define IMAGE_MAX_SECTIONS                     (128)
 
 typedef enum image_type
@@ -69,7 +69,6 @@ typedef struct image_ihex_s
 {
        fileio_t fileio;
        u8 *buffer;
-       u8 **section_pointer;
 } image_ihex_t;
 
 typedef struct image_memory_s
@@ -86,10 +85,9 @@ typedef struct fileio_elf_s
        u8 endianness;
 } image_elf_t;
 
-extern int image_open(image_t *image, void *source, enum fileio_access access);
+extern int image_open(image_t *image, void *source, char *type_string);
 extern int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *buffer, u32 *size_read);
 extern int image_close(image_t *image);
-extern int identify_image_type(image_type_t *type, char *type_string);
 
 #define ERROR_IMAGE_FORMAT_ERROR       (-1400)
 #define ERROR_IMAGE_TYPE_UNKNOWN       (-1401)
index fd8ffd7..3797c3c 100644 (file)
@@ -1654,7 +1654,6 @@ int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args,
 
 int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 {
-       u32 address;
        u8 *buffer;
        u32 buf_cnt;
        u32 image_size;
@@ -1668,22 +1667,28 @@ int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char
        
        target_t *target = get_current_target(cmd_ctx);
 
-       if (argc < 2)
+       if (argc < 1)
        {
-               command_print(cmd_ctx, "usage: load_image <filename> <address> [type]");
+               command_print(cmd_ctx, "usage: load_image <filename> [address] [type]");
                return ERROR_OK;
        }
        
-       identify_image_type(&image.type, (argc == 3) ? args[2] : NULL);
-
-       image.base_address_set = 1;
-       image.base_address = strtoul(args[1], NULL, 0);
+       /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
+       if (argc >= 2)
+       {
+               image.base_address_set = 1;
+               image.base_address = strtoul(args[1], NULL, 0);
+       }
+       else
+       {
+               image.base_address_set = 0;
+       }
        
        image.start_address_set = 0;
 
        duration_start_measure(&duration);
        
-       if (image_open(&image, args[0], FILEIO_READ) != ERROR_OK)
+       if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
        {
                command_print(cmd_ctx, "load_image error: %s", image.error_str);
                return ERROR_OK;
index 2994f10..ec4a4c3 100644 (file)
@@ -31,4 +31,7 @@ typedef enum trace_status
        TRACE_OVERFLOWED = 0x8,
 } trace_status_t;
 
+#define ERROR_TRACE_IMAGE_UNAVAILABLE  -(1500)
+#define ERROR_TRACE_INSTRUCTION_UNAVAILABLE    -(1500)
+
 #endif /* TRACE_H */