forked from Imagelibrary/rtems
316 lines
14 KiB
C
316 lines
14 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (c) 2016, 2018 Chris Johns <chrisj@rtems.org>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "tmacros.h"
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#include <fcntl.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <rtems/rtl/rtl.h>
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#include <rtems/rtl/rtl-obj-cache.h>
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#include <rtems/rtl/rtl-trace.h>
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#include "dl-cache.h"
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#define CACHE_SIZE (2048)
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#define CACHE_SIZE_TOO_BIG (-1)
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#define CACHE_BUFFER_SIZE (CACHE_SIZE * 4)
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static uint8_t* contents;
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static const char *const filename = "/dl-test";
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static void dl_cache_create_file(void)
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{
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uint16_t* p;
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int fd;
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int i;
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rtems_test_assert((contents = malloc(CACHE_BUFFER_SIZE)) != NULL);
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memset(contents, 0, CACHE_BUFFER_SIZE);
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p = (uint16_t*) contents;
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for (i = 0; i < (CACHE_BUFFER_SIZE / sizeof(uint16_t)); ++i)
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*p++ = i;
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rtems_test_assert((fd = open(filename,
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O_WRONLY | O_TRUNC | O_CREAT,
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S_IRUSR | S_IWUSR)) >= 0);
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rtems_test_assert(write(fd, contents, CACHE_BUFFER_SIZE) == CACHE_BUFFER_SIZE);
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rtems_test_assert(close(fd) >= 0);
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}
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static bool dl_cache_check(void* buffer, off_t offset, size_t length)
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{
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uint16_t* b;
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uint16_t* c;
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int i;
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b = buffer;
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c = (uint16_t*) (contents + offset);
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printf("cache: buffer: ");
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for (i = 0; i < 4; ++i)
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printf("%04x/%04x ", b[i], c[i]);
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printf("\n");
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return memcmp(buffer, contents + offset, length) == 0;
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}
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static off_t dl_cache_buffer_offset(rtems_rtl_obj_cache* cache, void* buffer)
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{
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return (off_t) (((uint8_t*) buffer) - ((uint8_t*) cache->buffer));
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}
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static void dl_init_rtl(void)
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{
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/*
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* Check the RTL object is created and can be locked and unlocked.
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*/
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rtems_test_assert(rtems_rtl_data_unprotected () == NULL);
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rtems_test_assert(rtems_rtl_lock () != NULL);
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rtems_rtl_unlock ();
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rtems_test_assert(rtems_rtl_data_unprotected () != NULL);
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rtems_rtl_trace_set_mask(RTEMS_RTL_TRACE_ALL | RTEMS_RTL_TRACE_CACHE);
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}
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int dl_cache_test(void)
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{
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rtems_rtl_obj_cache cache;
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int fd;
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void* buffer;
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off_t offset_in;
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off_t offset;
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size_t length_in;
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size_t length;
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/*
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* Make sure the RTL can initialise.
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*/
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dl_init_rtl();
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/*
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* Create the file to test the cache with.
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*/
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dl_cache_create_file();
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/*
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* Check the too big error is handled.
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*/
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printf ("cache create with large size\n");
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rtems_test_assert(rtems_rtl_obj_cache_open(&cache,
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CACHE_SIZE_TOO_BIG) == false);
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/*
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* Create a cache.
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*/
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printf ("cache create\n");
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rtems_test_assert(rtems_rtl_obj_cache_open(&cache,
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CACHE_SIZE) == true);
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rtems_test_assert(cache.fd == -1);
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rtems_test_assert(cache.file_size == 0);
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rtems_test_assert(cache.size == CACHE_SIZE);
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rtems_test_assert(cache.buffer != NULL);
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/*
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* Open the file to use with the cache tests.
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*/
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printf ("cache file open\n");
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rtems_test_assert((fd = open(filename, O_RDONLY)) >= 0);
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buffer = NULL; offset_in = 0; length_in = length = CACHE_SIZE / 2;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == offset_in);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = 0; length_in = length = CACHE_SIZE;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == offset_in);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_SIZE / 2; length_in = length = CACHE_SIZE / 2;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == offset_in);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_BUFFER_SIZE - CACHE_SIZE; length_in = length = CACHE_SIZE;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == 0);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_BUFFER_SIZE - (CACHE_SIZE / 2); length_in = length = CACHE_SIZE / 2;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == (CACHE_SIZE / 2));
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = 0; length_in = length = CACHE_SIZE / 4;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == offset_in);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = 0; length_in = length = CACHE_SIZE / 8;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == offset_in);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = 0; length_in = length = CACHE_SIZE;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(offset == offset_in);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_BUFFER_SIZE - 40; length_in = length = 16;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_BUFFER_SIZE - 40; length_in = length = 40;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_BUFFER_SIZE - 40; length_in = length = 80;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(length == 40);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_BUFFER_SIZE - CACHE_SIZE + 80;
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length_in = length = 20;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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buffer = NULL; offset_in = CACHE_BUFFER_SIZE - 40;
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length_in = length = 40;
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printf("cache read: in: offset=%d length=%d\n", (int) offset_in, (int) length);
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rtems_test_assert(rtems_rtl_obj_cache_read(&cache,
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fd,
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offset_in,
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&buffer,
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&length) == true);
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offset = dl_cache_buffer_offset(&cache, buffer);
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printf("cache read: out: offset=%d length=%d\n", (int) offset, (int) length);
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rtems_test_assert(length == length_in);
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rtems_test_assert(dl_cache_check(buffer, (int) offset_in, length) == true);
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rtems_rtl_obj_cache_close(&cache);
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return 0;
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}
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