interesting
/
riscv-openocd
mirror of https://github.com/riscv/riscv-openocd.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

- cleaned up cycle counting in ETM analysis 

- fixed broken OpenOCD version string



git-svn-id: svn://svn.berlios.de/openocd/trunk@188 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
drath 2007-07-31 16:39:06 +00:00
parent 91d21d22ca
commit 9061c08aa7
2 changed files with 9 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/openocd.c
View File

@ -18,7 +18,7 @@
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#define OPENOCD_VERSION "Open On-Chip Debugger (2007-07-31 12:00 CEST)
#define OPENOCD_VERSION "Open On-Chip Debugger (2007-07-31 19:00 CEST)"
#ifdef HAVE_CONFIG_H
#include "config.h"

19
src/target/etm.c
View File

@ -760,6 +760,7 @@ int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd_ctx)
u32 old_data_index = ctx->data_index;
u32 old_data_half = ctx->data_half;
u32 old_index = ctx->pipe_index;
u32 last_instruction = ctx->last_instruction;
u32 cycles = 0;
if (ctx->trace_data[ctx->pipe_index].flags & ETMV1_TRIGGER_CYCLE)
@ -767,11 +768,13 @@ int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd_ctx)
command_print(cmd_ctx, "--- trigger ---");
}
/* instructions execute in IE/D or BE/D cycles */
if ((pipestat == STAT_IE) || (pipestat == STAT_ID))
ctx->last_instruction = ctx->pipe_index;
/* if we don't have a valid pc skip until we reach an indirect branch */
if ((!ctx->pc_ok) && (pipestat != STAT_BE))
{
if (pipestat == STAT_IE)
ctx->last_instruction = ctx->pipe_index;
ctx->pipe_index++;
continue;
}
@ -788,6 +791,8 @@ int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd_ctx)
old_data_index = ctx->data_index;
old_data_half = ctx->data_half;
ctx->last_instruction = ctx->pipe_index;
if ((retval = etmv1_branch_address(ctx)) != 0)
{
/* negative return value from etmv1_branch_address means we ran out of packets,
@ -810,32 +815,27 @@ int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd_ctx)
{
case 0x0: /* normal PC change */
next_pc = ctx->last_branch;
ctx->last_instruction = old_index;
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++;
ctx->last_instruction = old_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++;
ctx->last_instruction = old_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++;
ctx->last_instruction = old_index;
continue;
break;
case 0x4: /* periodic synchronization point */
next_pc = ctx->last_branch;
ctx->last_instruction = old_index;
break;
default: /* reserved */
ERROR("BUG: branch reason code 0x%x is reserved", ctx->last_branch_reason);
@ -854,8 +854,6 @@ int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd_ctx)
if (((ctx->last_branch >= 0x0) && (ctx->last_branch <= 0x20))
|| ((ctx->last_branch >= 0xffff0000) && (ctx->last_branch <= 0xffff0020)))
{
ctx->last_instruction = old_index;
if ((ctx->last_branch & 0xff) == 0x10)
{
command_print(cmd_ctx, "data abort");
@ -889,8 +887,7 @@ int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd_ctx)
}
}
cycles = old_index - ctx->last_instruction;
ctx->last_instruction = old_index;
cycles = old_index - last_instruction;
}
if ((pipestat == STAT_ID) || (pipestat == STAT_BD))