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optional count argument to mwX 

git-svn-id: svn://svn.berlios.de/openocd/trunk@532 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-04-02 06:21:24 +00:00
parent ff53e47b54
commit b174a5b6a3
1 changed files with 35 additions and 12 deletions
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43
src/target/target.c
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@ -1069,9 +1069,9 @@ int target_register_user_commands(struct command_context_s *cmd_ctx)
register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]"); register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]"); register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>"); register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>"); register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>"); register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]"); register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>"); register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
@ -1804,36 +1804,59 @@ int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args,
{ {
u32 address = 0; u32 address = 0;
u32 value = 0; u32 value = 0;
int retval; int count = 1;
int i;
int wordsize;
target_t *target = get_current_target(cmd_ctx); target_t *target = get_current_target(cmd_ctx);
u8 value_buf[4]; u8 value_buf[4];
if (argc < 2) if ((argc < 2) || (argc > 3))
return ERROR_OK; return ERROR_COMMAND_SYNTAX_ERROR;
address = strtoul(args[0], NULL, 0); address = strtoul(args[0], NULL, 0);
value = strtoul(args[1], NULL, 0); value = strtoul(args[1], NULL, 0);
if (argc == 3)
count = strtoul(args[2], NULL, 0);
switch (cmd[2]) switch (cmd[2])
{ {
case 'w': case 'w':
wordsize = 4;
target_buffer_set_u32(target, value_buf, value); target_buffer_set_u32(target, value_buf, value);
retval = target->type->write_memory(target, address, 4, 1, value_buf);
break; break;
case 'h': case 'h':
wordsize = 2;
target_buffer_set_u16(target, value_buf, value); target_buffer_set_u16(target, value_buf, value);
retval = target->type->write_memory(target, address, 2, 1, value_buf);
break; break;
case 'b': case 'b':
wordsize = 1;
value_buf[0] = value; value_buf[0] = value;
retval = target->type->write_memory(target, address, 1, 1, value_buf); break;
default:
return ERROR_COMMAND_SYNTAX_ERROR;
}
for (i=0; i<count; i++)
{
int retval;
switch (wordsize)
{
case 4:
retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
break;
case 2:
retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
break;
case 1:
retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
break; break;
default: default:
return ERROR_OK; return ERROR_OK;
} }
if (retval!=ERROR_OK) if (retval!=ERROR_OK)
{ {
LOG_ERROR("Failure examining memory"); return retval;
}
} }
return ERROR_OK; return ERROR_OK;