97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/*
|
|
* Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
*
|
|
* You can also choose to distribute this program under the terms of
|
|
* the Unmodified Binary Distribution Licence (as given in the file
|
|
* COPYING.UBDL), provided that you have satisfied its requirements.
|
|
*/
|
|
|
|
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
|
|
|
|
/** @file
|
|
*
|
|
* Byte-order swapping test functions
|
|
*
|
|
*/
|
|
|
|
/* Forcibly enable assertions */
|
|
#undef NDEBUG
|
|
|
|
#include <stdint.h>
|
|
#include <assert.h>
|
|
#include <byteswap.h>
|
|
#include <ipxe/test.h>
|
|
|
|
/* Provide global functions to allow inspection of generated assembly code */
|
|
|
|
uint16_t test_bswap16 ( uint16_t x ) {
|
|
return __bswap_16 ( x );
|
|
}
|
|
|
|
uint32_t test_bswap32 ( uint32_t x ) {
|
|
return __bswap_32 ( x );
|
|
}
|
|
|
|
uint64_t test_bswap64 ( uint64_t x ) {
|
|
return __bswap_64 ( x );
|
|
}
|
|
|
|
void test_bswap16s ( uint16_t *x ) {
|
|
__bswap_16s ( x );
|
|
}
|
|
|
|
void test_bswap32s ( uint32_t *x ) {
|
|
__bswap_32s ( x );
|
|
}
|
|
|
|
void test_bswap64s ( uint64_t *x ) {
|
|
__bswap_64s ( x );
|
|
}
|
|
|
|
/**
|
|
* Perform byte-order swapping
|
|
*
|
|
*/
|
|
static void byteswap_test_exec ( void ) {
|
|
uint16_t test16;
|
|
uint32_t test32;
|
|
uint64_t test64;
|
|
|
|
ok ( test_bswap16 ( 0x1234 ) == 0x3412 );
|
|
ok ( test_bswap32 ( 0x12345678UL ) == 0x78563412UL );
|
|
ok ( test_bswap64 ( 0x123456789abcdef0ULL ) == 0xf0debc9a78563412ULL );
|
|
|
|
test16 = 0xabcd;
|
|
test_bswap16s ( &test16 );
|
|
ok ( test16 == 0xcdab );
|
|
|
|
test32 = 0xabcdef01UL;
|
|
test_bswap32s ( &test32 );
|
|
ok ( test32 == 0x01efcdabUL );
|
|
|
|
test64 = 0xabcdef0123456789ULL;
|
|
test_bswap64s ( &test64 );
|
|
ok ( test64 == 0x8967452301efcdabULL );
|
|
}
|
|
|
|
/** Byte-order swapping self-test */
|
|
struct self_test byteswap_test __self_test = {
|
|
.name = "byteswap",
|
|
.exec = byteswap_test_exec,
|
|
};
|