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/* Copyright 2018 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <libpdbg.h>
#include "main.h"
#include "optcmd.h"
#include "path.h"
static int get_ring(uint64_t ring_addr, uint64_t ring_len)
{
struct pdbg_target *target;
uint32_t *result;
int count = 0;
int words;
words = (ring_len + 32 - 1) / 32;
result = calloc(words, sizeof(*result));
assert(result);
for_each_path_target_class("chiplet", target) {
char *path;
int rc, i, len;
if (pdbg_target_status(target) != PDBG_TARGET_ENABLED)
continue;
path = pdbg_target_path(target);
assert(path);
printf("%s: 0x%016" PRIx64 " = ", path, ring_addr);
free(path);
rc = getring(target, ring_addr, ring_len, result);
if (rc) {
printf("failed\n");
continue;
}
printf("\n");
len = (int)ring_len;
for (i = 0; i < len/32; i++)
printf("%08" PRIx32, result[i]);
len -= i*32;
for (i=0; i < (len + 4 - 1)/4; i++)
printf("%01" PRIx32, (result[words-1] >> (28 - i*4)) & 0xf);
printf("\n");
count++;
}
free(result);
return count;
}
OPTCMD_DEFINE_CMD_WITH_ARGS(getring, get_ring, (ADDRESS, DATA));
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