57cb20b63a
Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
595 lines
16 KiB
C
595 lines
16 KiB
C
/****************************************************************************
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* apps/testing/ramtest/ramtest.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <unistd.h>
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#include <sched.h>
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#include <syslog.h>
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#include <errno.h>
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#include <nuttx/usb/usbdev_trace.h>
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#ifdef CONFIG_TESTING_RAMTEST
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define RAMTEST_PREFIX "RAMTest: "
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#define OPTARG_TO_VALUE(value, type) \
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do \
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{ \
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FAR char *ptr; \
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value = (type)strtoul(optarg, &ptr, 0); \
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if (*ptr != '\0') \
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{ \
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printf(RAMTEST_PREFIX "Parameter error: -%c %s\n", option, optarg); \
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show_usage(argv[0], EXIT_FAILURE); \
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} \
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} while (0)
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct ramtest_s
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{
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uint8_t width;
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uintptr_t start;
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size_t size;
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size_t nxfrs;
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uint32_t mask;
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bool free;
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};
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: show_usage
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****************************************************************************/
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static void show_usage(FAR const char *progname, int exitcode)
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{
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printf("\nUsage: %s [-w|h|b] -a [hex-address] -s <decimal-size>\n",
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progname);
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printf("\nWhere:\n");
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printf(" -a [hex-address] starting address of the test,\n");
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printf(" -s <decimal-size> number of memory locations (in bytes).\n");
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printf(" -w Sets the width of a memory location to 32-bits.\n");
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printf(" -h Sets the width of a memory location to 16-bits (default).\n");
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printf(" -b Sets the width of a memory location to 8-bits.\n");
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exit(exitcode);
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}
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/****************************************************************************
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* Name: parse_commandline
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****************************************************************************/
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static void parse_commandline(int argc, char **argv,
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FAR struct ramtest_s *info)
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{
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int option;
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while ((option = getopt(argc, argv, "whba::s:")) != ERROR)
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{
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switch (option)
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{
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case 'w':
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info->width = 32;
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info->mask = 0xffffffff;
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break;
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case 'h':
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info->width = 16;
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info->mask = 0x0000ffff;
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break;
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case 'b':
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info->width = 8;
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info->mask = 0x000000ff;
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break;
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case 'a':
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OPTARG_TO_VALUE(info->start, uintptr_t);
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break;
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case 's':
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OPTARG_TO_VALUE(info->size, size_t);
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break;
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case '?':
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printf(RAMTEST_PREFIX "Unrecognized option: '%c'\n", option);
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show_usage(argv[0], EXIT_FAILURE);
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break;
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}
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}
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/* There should be one parameters remaining on the command line */
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if (info->size == 0)
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{
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printf(RAMTEST_PREFIX "Missing <decimal-size>\n");
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show_usage(argv[0], EXIT_FAILURE);
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}
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/* If no binary address is specified, then the operation is performed by
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* allocation from the heap.
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*/
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if (!info->start)
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{
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info->start = (uintptr_t)malloc(info->size);
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if (!info->start)
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{
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printf(RAMTEST_PREFIX "malloc failed, We were unable"
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"to continue with the follow-up work\n");
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show_usage(argv[0], EXIT_FAILURE);
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}
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info->free = true;
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}
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/* Convert the size (in bytes) to the corresponding number of transfers
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* of the selected width.
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*/
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if (info->width == 8)
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{
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info->nxfrs = info->size;
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}
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else if (info->width == 32)
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{
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info->nxfrs = info->size >> 2;
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}
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else
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{
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info->width = 16;
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info->nxfrs = info->size >> 1;
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}
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}
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/****************************************************************************
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* Name: write_memory
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****************************************************************************/
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static void write_memory(FAR struct ramtest_s *info, uint32_t value)
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{
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size_t i;
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if (info->width == 32)
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{
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uint32_t *ptr = (uint32_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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*ptr++ = value;
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}
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}
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else if (info->width == 16)
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{
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uint16_t *ptr = (uint16_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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*ptr++ = (uint16_t)value;
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}
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}
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else /* if (info->width == 8) */
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{
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uint8_t *ptr = (uint8_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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*ptr++ = (uint8_t)value;
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}
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}
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}
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/****************************************************************************
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* Name: verify_memory
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****************************************************************************/
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static void verify_memory(FAR struct ramtest_s *info, uint32_t value)
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{
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size_t i;
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if (info->width == 32)
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{
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uint32_t *ptr = (uint32_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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if (*ptr != value)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %08" PRIx32
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" Expected %08" PRIx32 "\n",
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ptr, *ptr, value);
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}
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ptr++;
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}
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}
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else if (info->width == 16)
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{
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uint16_t value16 = (uint16_t)(value & 0x0000ffff);
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uint16_t *ptr = (uint16_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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if (*ptr != value16)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %04" PRIx16
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" Expected %04" PRIx16 "\n",
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ptr, *ptr, value16);
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}
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ptr++;
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}
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}
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else /* if (info->width == 8) */
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{
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uint8_t value8 = (uint8_t)(value & 0x000000ff);
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uint8_t *ptr = (uint8_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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if (*ptr != value8)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %02" PRIx8
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" Expected %02" PRIx8 "\n",
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ptr, *ptr, value8);
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}
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ptr++;
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}
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}
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}
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/****************************************************************************
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* Name: marching_ones
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****************************************************************************/
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static void marching_ones(FAR struct ramtest_s *info)
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{
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uint32_t pattern = 0x00000001;
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printf(RAMTEST_PREFIX "Marching ones: %08" PRIxPTR " %zu\n",
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info->start, info->size);
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while (pattern != 0)
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{
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write_memory(info, pattern);
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verify_memory(info, pattern);
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pattern <<= 1;
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pattern &= info->mask;
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}
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}
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/****************************************************************************
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* Name: marching_zeros
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****************************************************************************/
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static void marching_zeros(FAR struct ramtest_s *info)
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{
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uint32_t pattern = 0xfffffffe;
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printf(RAMTEST_PREFIX "Marching zeroes: %08" PRIxPTR " %zu\n",
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info->start, info->size);
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while (pattern != 0xffffffff)
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{
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write_memory(info, pattern);
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verify_memory(info, pattern);
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pattern <<= 1;
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pattern |= 1;
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pattern |= ~info->mask;
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}
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}
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/****************************************************************************
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* Name: write_memory2
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****************************************************************************/
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static void write_memory2(FAR struct ramtest_s *info, uint32_t value_1,
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uint32_t value_2)
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{
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size_t even_nxfrs = info->nxfrs & ~1;
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size_t i;
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if (info->width == 32)
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{
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uint32_t *ptr = (uint32_t *)info->start;
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for (i = 0; i < even_nxfrs; i += 2)
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{
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*ptr++ = value_1;
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*ptr++ = value_2;
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}
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}
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else if (info->width == 16)
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{
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uint16_t *ptr = (uint16_t *)info->start;
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for (i = 0; i < even_nxfrs; i += 2)
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{
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*ptr++ = (uint16_t)value_1;
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*ptr++ = (uint16_t)value_2;
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}
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}
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else /* if (info->width == 8) */
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{
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uint8_t *ptr = (uint8_t *)info->start;
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for (i = 0; i < even_nxfrs; i += 2)
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{
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*ptr++ = (uint8_t)value_1;
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*ptr++ = (uint8_t)value_2;
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}
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}
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}
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/****************************************************************************
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* Name: verify_memory2
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****************************************************************************/
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static void verify_memory2(FAR struct ramtest_s *info, uint32_t value_1,
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uint32_t value_2)
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{
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size_t even_nxfrs = info->nxfrs & ~1;
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size_t i;
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if (info->width == 32)
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{
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uint32_t *ptr = (uint32_t *)info->start;
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for (i = 0; i < even_nxfrs; i += 2)
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{
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if (ptr[0] != value_1 || ptr[1] != value_2)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %08" PRIx32
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" and %08" PRIx32 "\n",
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ptr, ptr[0], ptr[1]);
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printf(RAMTEST_PREFIX
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" Expected: %08" PRIx32
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" and %08" PRIx32 "\n",
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value_1, value_2);
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}
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ptr += 2;
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}
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}
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else if (info->width == 16)
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{
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uint16_t value16_1 = (uint16_t)(value_1 & 0x0000ffff);
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uint16_t value16_2 = (uint16_t)(value_2 & 0x0000ffff);
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uint16_t *ptr = (uint16_t *)info->start;
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for (i = 0; i < even_nxfrs; i += 2)
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{
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if (ptr[0] != value16_1 || ptr[1] != value16_2)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %04" PRIx16
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" and %04" PRIx16 "\n",
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ptr, ptr[0], ptr[1]);
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printf(RAMTEST_PREFIX
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" Expected: %04" PRIx16
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" and %04" PRIx16 "\n",
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value16_1, value16_2);
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}
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ptr += 2;
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}
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}
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else /* if (info->width == 8) */
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{
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uint8_t value8_1 = (uint8_t)(value_1 & 0x000000ff);
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uint8_t value8_2 = (uint8_t)(value_2 & 0x000000ff);
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uint8_t *ptr = (uint8_t *)info->start;
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for (i = 0; i < even_nxfrs; i += 2)
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{
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if (ptr[0] != value8_1 || ptr[1] != value8_2)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %02" PRIx8
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" and %02" PRIx8 "\n",
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ptr, ptr[0], ptr[1]);
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printf(RAMTEST_PREFIX
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" Expected: %02" PRIx8
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" and %02" PRIx8 "\n",
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value8_1, value8_2);
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}
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ptr += 2;
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}
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}
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}
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/****************************************************************************
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* Name: pattern_test
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****************************************************************************/
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static void pattern_test(FAR struct ramtest_s *info, uint32_t pattern1,
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uint32_t pattern2)
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{
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printf(RAMTEST_PREFIX "Pattern test: %08" PRIxPTR " %zu %08" PRIx32
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" %08" PRIx32 "\n",
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info->start, info->size, pattern1, pattern2);
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write_memory2(info, pattern1, pattern2);
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verify_memory2(info, pattern1, pattern2);
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}
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/****************************************************************************
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* Name: write_addrinaddr
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****************************************************************************/
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static void write_addrinaddr(FAR struct ramtest_s *info)
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{
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size_t i;
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if (info->width == 32)
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{
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uint32_t *ptr = (uint32_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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uint32_t value32 = (uint32_t)((uintptr_t)ptr);
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*ptr++ = value32;
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}
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}
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else if (info->width == 16)
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{
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uint16_t *ptr = (uint16_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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uint16_t value16 = (uint16_t)((uintptr_t)ptr & 0x0000ffff);
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*ptr++ = value16;
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}
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}
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else /* if (info->width == 8) */
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{
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uint8_t *ptr = (uint8_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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uint8_t value8 = (uint8_t)((uintptr_t)ptr & 0x000000ff);
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*ptr++ = value8;
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}
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}
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}
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/****************************************************************************
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* Name: verify_addrinaddr
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****************************************************************************/
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static void verify_addrinaddr(FAR struct ramtest_s *info)
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{
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size_t i;
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if (info->width == 32)
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{
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uint32_t *ptr = (uint32_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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uint32_t value32 = (uint32_t)((uintptr_t)ptr);
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if (*ptr != value32)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %08" PRIx32
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" Expected %08" PRIx32 "\n",
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ptr, *ptr, value32);
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}
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ptr++;
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}
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}
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else if (info->width == 16)
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{
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uint16_t *ptr = (uint16_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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uint16_t value16 = (uint16_t)((uintptr_t)ptr & 0x0000ffff);
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if (*ptr != value16)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %04" PRIx16
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" Expected %04" PRIx16 "\n",
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ptr, *ptr, value16);
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}
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ptr++;
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}
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}
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else /* if (info->width == 8) */
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{
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uint8_t *ptr = (uint8_t *)info->start;
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for (i = 0; i < info->nxfrs; i++)
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{
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uint16_t value8 = (uint8_t)((uintptr_t)ptr & 0x000000ff);
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if (*ptr != value8)
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{
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printf(RAMTEST_PREFIX
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"ERROR: Address %p Found: %02" PRIx8
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" Expected %02" PRIx8 "\n",
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ptr, *ptr, value8);
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}
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ptr++;
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}
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}
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}
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/****************************************************************************
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* Name: addr_in_addr
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****************************************************************************/
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static void addr_in_addr(FAR struct ramtest_s *info)
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{
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printf(RAMTEST_PREFIX "Address-in-address test: %08" PRIxPTR" %zu\n",
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info->start, info->size);
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write_addrinaddr(info);
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verify_addrinaddr(info);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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struct ramtest_s info;
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/* Setup defaults and parse the command line */
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info.free = false;
|
|
info.width = 16;
|
|
info.mask = 0x0000ffff;
|
|
info.size = 0;
|
|
info.start = 0;
|
|
parse_commandline(argc, argv, &info);
|
|
|
|
/* Perform the memory tests */
|
|
|
|
marching_ones(&info);
|
|
marching_zeros(&info);
|
|
pattern_test(&info, 0x55555555, 0xaaaaaaaa);
|
|
pattern_test(&info, 0x66666666, 0x99999999);
|
|
pattern_test(&info, 0x33333333, 0xcccccccc);
|
|
addr_in_addr(&info);
|
|
|
|
/* Let's check if we need to do cleanup work at the end */
|
|
|
|
if (info.free)
|
|
{
|
|
free((void *)info.start);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif /* CONFIG_TESTING_RAMTEST */
|