diff options
Diffstat (limited to 'qemu/roms/ipxe/src/tests/memcpy_test.c')
| -rw-r--r-- | qemu/roms/ipxe/src/tests/memcpy_test.c | 273 |
1 files changed, 0 insertions, 273 deletions
diff --git a/qemu/roms/ipxe/src/tests/memcpy_test.c b/qemu/roms/ipxe/src/tests/memcpy_test.c deleted file mode 100644 index 0247c71d4..000000000 --- a/qemu/roms/ipxe/src/tests/memcpy_test.c +++ /dev/null @@ -1,273 +0,0 @@ -/* - * 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 (at your option) 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 - * - * memcpy() self-tests - * - */ - -/* Forcibly enable assertions */ -#undef NDEBUG - -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <ipxe/test.h> -#include <ipxe/profile.h> - -/** Number of sample iterations for profiling */ -#define PROFILE_COUNT 16 - -/* Provide global functions to allow inspection of generated code */ - -void memcpy_0 ( void *dest, void *src ) { memcpy ( dest, src, 0 ); } -void memcpy_1 ( void *dest, void *src ) { memcpy ( dest, src, 1 ); } -void memcpy_2 ( void *dest, void *src ) { memcpy ( dest, src, 2 ); } -void memcpy_3 ( void *dest, void *src ) { memcpy ( dest, src, 3 ); } -void memcpy_4 ( void *dest, void *src ) { memcpy ( dest, src, 4 ); } -void memcpy_5 ( void *dest, void *src ) { memcpy ( dest, src, 5 ); } -void memcpy_6 ( void *dest, void *src ) { memcpy ( dest, src, 6 ); } -void memcpy_7 ( void *dest, void *src ) { memcpy ( dest, src, 7 ); } -void memcpy_8 ( void *dest, void *src ) { memcpy ( dest, src, 8 ); } -void memcpy_9 ( void *dest, void *src ) { memcpy ( dest, src, 9 ); } -void memcpy_10 ( void *dest, void *src ) { memcpy ( dest, src, 10 ); } -void memcpy_11 ( void *dest, void *src ) { memcpy ( dest, src, 11 ); } -void memcpy_12 ( void *dest, void *src ) { memcpy ( dest, src, 12 ); } -void memcpy_13 ( void *dest, void *src ) { memcpy ( dest, src, 13 ); } -void memcpy_14 ( void *dest, void *src ) { memcpy ( dest, src, 14 ); } -void memcpy_15 ( void *dest, void *src ) { memcpy ( dest, src, 15 ); } -void memcpy_16 ( void *dest, void *src ) { memcpy ( dest, src, 16 ); } -void memcpy_17 ( void *dest, void *src ) { memcpy ( dest, src, 17 ); } -void memcpy_18 ( void *dest, void *src ) { memcpy ( dest, src, 18 ); } -void memcpy_19 ( void *dest, void *src ) { memcpy ( dest, src, 19 ); } -void memcpy_20 ( void *dest, void *src ) { memcpy ( dest, src, 20 ); } -void memcpy_21 ( void *dest, void *src ) { memcpy ( dest, src, 21 ); } -void memcpy_22 ( void *dest, void *src ) { memcpy ( dest, src, 22 ); } -void memcpy_23 ( void *dest, void *src ) { memcpy ( dest, src, 23 ); } -void memcpy_24 ( void *dest, void *src ) { memcpy ( dest, src, 24 ); } -void memcpy_25 ( void *dest, void *src ) { memcpy ( dest, src, 25 ); } -void memcpy_26 ( void *dest, void *src ) { memcpy ( dest, src, 26 ); } -void memcpy_27 ( void *dest, void *src ) { memcpy ( dest, src, 27 ); } -void memcpy_28 ( void *dest, void *src ) { memcpy ( dest, src, 28 ); } -void memcpy_29 ( void *dest, void *src ) { memcpy ( dest, src, 29 ); } -void memcpy_30 ( void *dest, void *src ) { memcpy ( dest, src, 30 ); } -void memcpy_31 ( void *dest, void *src ) { memcpy ( dest, src, 31 ); } - -/** - * Force a call to the variable-length implementation of memcpy() - * - * @v dest Destination address - * @v src Source address - * @v len Length of data - * @ret dest Destination address - */ -__attribute__ (( noinline )) void * memcpy_var ( void *dest, const void *src, - size_t len ) { - return memcpy ( dest, src, len ); -} - -/** - * Perform a constant-length memcpy() test - * - * ... Data to copy - */ -#define MEMCPY_TEST_CONSTANT( ... ) do { \ - static const uint8_t src[] = { __VA_ARGS__ }; \ - uint8_t dest_const[ 1 + sizeof ( src ) + 1 ]; \ - uint8_t dest_var[ 1 + sizeof ( src ) + 1 ]; \ - \ - dest_const[0] = 0x33; \ - dest_const[ sizeof ( dest_const ) - 1 ] = 0x44; \ - memcpy ( ( dest_const + 1 ), src, \ - ( sizeof ( dest_const ) - 2 ) ); \ - ok ( dest_const[0] == 0x33 ); \ - ok ( dest_const[ sizeof ( dest_const ) - 1 ] == 0x44 ); \ - ok ( memcmp ( ( dest_const + 1 ), src, \ - ( sizeof ( dest_const ) - 2 ) ) == 0 ); \ - \ - dest_var[0] = 0x55; \ - dest_var[ sizeof ( dest_var ) - 1 ] = 0x66; \ - memcpy_var ( ( dest_var + 1 ), src, \ - ( sizeof ( dest_var ) - 2 ) ); \ - ok ( dest_var[0] == 0x55 ); \ - ok ( dest_var[ sizeof ( dest_var ) - 1 ] == 0x66 ); \ - ok ( memcmp ( ( dest_var + 1 ), src, \ - ( sizeof ( dest_var ) - 2 ) ) == 0 ); \ - } while ( 0 ) - -/** - * Test memcpy() speed - * - * @v dest_offset Destination alignment offset - * @v src_offset Source alignment offset - * @v len Length of data to copy - */ -static void memcpy_test_speed ( unsigned int dest_offset, - unsigned int src_offset, size_t len ) { - struct profiler profiler; - uint8_t *dest; - uint8_t *src; - unsigned int i; - - /* Allocate blocks */ - dest = malloc ( len + dest_offset ); - assert ( dest != NULL ); - src = malloc ( len + src_offset ); - assert ( src != NULL ); - - /* Generate random source data */ - for ( i = 0 ; i < len ; i++ ) - src[ src_offset + i ] = random(); - - /* Check correctness of copied data */ - memcpy ( ( dest + dest_offset ), ( src + src_offset ), len ); - ok ( memcmp ( ( dest + dest_offset ), ( src + src_offset ), - len ) == 0 ); - - /* Profile memcpy() */ - memset ( &profiler, 0, sizeof ( profiler ) ); - for ( i = 0 ; i < PROFILE_COUNT ; i++ ) { - profile_start ( &profiler ); - memcpy ( ( dest + dest_offset ), ( src + src_offset ), len ); - profile_stop ( &profiler ); - } - - /* Free blocks */ - free ( dest ); - free ( src ); - - DBG ( "MEMCPY copied %zd bytes (+%d => +%d) in %ld +/- %ld ticks\n", - len, src_offset, dest_offset, profile_mean ( &profiler ), - profile_stddev ( &profiler ) ); -} - -/** - * Perform memcpy() self-tests - * - */ -static void memcpy_test_exec ( void ) { - unsigned int dest_offset; - unsigned int src_offset; - - /* Constant-length tests */ - MEMCPY_TEST_CONSTANT ( ); - MEMCPY_TEST_CONSTANT ( 0x86 ); - MEMCPY_TEST_CONSTANT ( 0x8c, 0xd3 ); - MEMCPY_TEST_CONSTANT ( 0x4e, 0x08, 0xed ); - MEMCPY_TEST_CONSTANT ( 0xcc, 0x61, 0x8f, 0x70 ); - MEMCPY_TEST_CONSTANT ( 0x6d, 0x28, 0xe0, 0x9e, 0x6d ); - MEMCPY_TEST_CONSTANT ( 0x7d, 0x13, 0x4f, 0xef, 0x17, 0xb3 ); - MEMCPY_TEST_CONSTANT ( 0x38, 0xa7, 0xd4, 0x8d, 0x44, 0x01, 0xfd ); - MEMCPY_TEST_CONSTANT ( 0x45, 0x9f, 0xf4, 0xf9, 0xf3, 0x0f, 0x99, 0x43 ); - MEMCPY_TEST_CONSTANT ( 0x69, 0x8c, 0xf6, 0x12, 0x79, 0x70, 0xd8, 0x1e, - 0x9d ); - MEMCPY_TEST_CONSTANT ( 0xbe, 0x53, 0xb4, 0xb7, 0xdd, 0xe6, 0x35, 0x10, - 0x3c, 0xe7 ); - MEMCPY_TEST_CONSTANT ( 0xaf, 0x41, 0x8a, 0x88, 0xb1, 0x4e, 0x52, 0xd4, - 0xe6, 0xc3, 0x76 ); - MEMCPY_TEST_CONSTANT ( 0xdf, 0x43, 0xe4, 0x5d, 0xad, 0x17, 0x35, 0x38, - 0x1a, 0x1d, 0x57, 0x58 ); - MEMCPY_TEST_CONSTANT ( 0x20, 0x52, 0x83, 0x92, 0xb9, 0x85, 0xa4, 0x06, - 0x94, 0xe0, 0x3d, 0x57, 0xd4 ); - MEMCPY_TEST_CONSTANT ( 0xf1, 0x67, 0x31, 0x9e, 0x32, 0x98, 0x27, 0xe9, - 0x8e, 0x62, 0xb4, 0x82, 0x7e, 0x02 ); - MEMCPY_TEST_CONSTANT ( 0x93, 0xc1, 0x55, 0xe3, 0x60, 0xce, 0xac, 0x1e, - 0xae, 0x9d, 0xca, 0xec, 0x92, 0xb3, 0x38 ); - MEMCPY_TEST_CONSTANT ( 0xb3, 0xc1, 0xfa, 0xe7, 0x8a, 0x1c, 0xe4, 0xce, - 0x85, 0xe6, 0x3c, 0xab, 0x1c, 0xa2, 0xaf, 0x7a ); - MEMCPY_TEST_CONSTANT ( 0x9b, 0x6e, 0x1c, 0x48, 0x82, 0xd3, 0x6e, 0x58, - 0xa7, 0xb0, 0xe6, 0xea, 0x6d, 0xee, 0xc8, 0xf8, - 0xaf ); - MEMCPY_TEST_CONSTANT ( 0x86, 0x6d, 0xb0, 0xf5, 0xf2, 0xc9, 0xcd, 0xfe, - 0xfb, 0x38, 0x67, 0xbc, 0x51, 0x9d, 0x25, 0xbc, - 0x09, 0x88 ); - MEMCPY_TEST_CONSTANT ( 0x58, 0xa4, 0x96, 0x9e, 0x98, 0x36, 0xdb, 0xae, - 0x8a, 0x08, 0x7c, 0x64, 0xf9, 0xfb, 0x25, 0xb4, - 0x8e, 0xf3, 0xed ); - MEMCPY_TEST_CONSTANT ( 0xc6, 0x3b, 0x84, 0x3c, 0x76, 0x24, 0x8e, 0x42, - 0x11, 0x1f, 0x09, 0x2e, 0x24, 0xbb, 0x67, 0x71, - 0x3a, 0xca, 0x60, 0xdd ); - MEMCPY_TEST_CONSTANT ( 0x8e, 0x2d, 0xa9, 0x58, 0x87, 0xe2, 0xac, 0x4b, - 0xc8, 0xbf, 0xa2, 0x4e, 0xee, 0x3a, 0xa6, 0x71, - 0x76, 0xee, 0x42, 0x05, 0x6e ); - MEMCPY_TEST_CONSTANT ( 0x8a, 0xda, 0xdf, 0x7b, 0x55, 0x41, 0x8c, 0xcd, - 0x42, 0x40, 0x18, 0xe2, 0x60, 0xc4, 0x7d, 0x64, - 0x00, 0xd5, 0xef, 0xa1, 0x7b, 0x31 ); - MEMCPY_TEST_CONSTANT ( 0xd9, 0x25, 0xcb, 0xbb, 0x9c, 0x1d, 0xdd, 0xcd, - 0xde, 0x96, 0xd9, 0x74, 0x13, 0x95, 0xfe, 0x68, - 0x0b, 0x3d, 0x30, 0x8d, 0x0c, 0x1e, 0x6d ); - MEMCPY_TEST_CONSTANT ( 0x2d, 0x0d, 0x02, 0x33, 0xd6, 0xbe, 0x6c, 0xa6, - 0x0a, 0xab, 0xe5, 0xda, 0xe2, 0xab, 0x78, 0x3c, - 0xd3, 0xdd, 0xea, 0xfa, 0x1a, 0xe4, 0xf4, 0xb3 ); - MEMCPY_TEST_CONSTANT ( 0x6a, 0x34, 0x39, 0xea, 0x29, 0x5f, 0xa6, 0x18, - 0xc1, 0x53, 0x39, 0x78, 0xdb, 0x40, 0xf2, 0x98, - 0x78, 0xcf, 0xee, 0xfd, 0xcd, 0xf8, 0x56, 0xf8, - 0x30 ); - MEMCPY_TEST_CONSTANT ( 0xe4, 0xe5, 0x5a, 0x8d, 0xcf, 0x04, 0x29, 0x7c, - 0xa7, 0xd8, 0x43, 0xbf, 0x0b, 0xbf, 0xe7, 0x68, - 0xf7, 0x8c, 0x81, 0xf9, 0x3f, 0xad, 0xa4, 0x40, - 0x38, 0x82 ); - MEMCPY_TEST_CONSTANT ( 0x71, 0xcd, 0x3d, 0x26, 0xde, 0x11, 0x23, 0xd5, - 0x42, 0x6e, 0x63, 0x72, 0x53, 0xfc, 0x28, 0x06, - 0x4b, 0xe0, 0x2c, 0x07, 0x6b, 0xe8, 0xd9, 0x5f, - 0xf8, 0x74, 0xed ); - MEMCPY_TEST_CONSTANT ( 0x05, 0xb2, 0xae, 0x81, 0x91, 0xc9, 0xa2, 0x5f, - 0xa9, 0x1b, 0x25, 0x7f, 0x32, 0x0c, 0x04, 0x00, - 0xf1, 0x46, 0xab, 0x77, 0x1e, 0x12, 0x27, 0xe7, - 0xf6, 0x1e, 0x0c, 0x29 ); - MEMCPY_TEST_CONSTANT ( 0x0e, 0xca, 0xa5, 0x56, 0x3d, 0x99, 0x99, 0xf9, - 0x6e, 0xdd, 0x93, 0x98, 0xec, 0x8b, 0x5c, 0x71, - 0x0c, 0xb0, 0xe6, 0x12, 0xf2, 0x10, 0x1a, 0xbe, - 0x4a, 0xe0, 0xe3, 0x00, 0xf8 ); - MEMCPY_TEST_CONSTANT ( 0x40, 0xa8, 0x28, 0x5b, 0x12, 0x0d, 0x80, 0x8e, - 0x8a, 0xd9, 0x92, 0x7a, 0x6e, 0x48, 0x8d, 0x14, - 0x4b, 0xc6, 0xce, 0x21, 0x2f, 0x0e, 0x47, 0xbd, - 0xf1, 0xca, 0x0e, 0x1f, 0x65, 0xc4 ); - MEMCPY_TEST_CONSTANT ( 0x84, 0x83, 0x44, 0xe8, 0x1c, 0xbf, 0x23, 0x05, - 0xdf, 0xed, 0x3b, 0xb7, 0x0b, 0x4a, 0x05, 0xec, - 0xb7, 0x6f, 0x1c, 0xfe, 0x05, 0x05, 0x4e, 0xd1, - 0x50, 0x88, 0x81, 0x87, 0x68, 0xf6, 0x66 ); - MEMCPY_TEST_CONSTANT ( 0x0d, 0x1d, 0xcf, 0x3e, 0x7c, 0xf8, 0x12, 0x1b, - 0x96, 0x7f, 0xff, 0x27, 0xca, 0xfe, 0xd3, 0x8b, - 0x10, 0xb9, 0x5d, 0x05, 0xad, 0x50, 0xed, 0x35, - 0x32, 0x9c, 0xe6, 0x3b, 0x73, 0xe0, 0x7d ); - - /* Speed tests */ - memcpy_test_speed ( 0, 0, 64 ); - memcpy_test_speed ( 0, 0, 128 ); - memcpy_test_speed ( 0, 0, 256 ); - for ( dest_offset = 0 ; dest_offset < 4 ; dest_offset++ ) { - for ( src_offset = 0 ; src_offset < 4 ; src_offset++ ) { - memcpy_test_speed ( dest_offset, src_offset, 4096 ); - } - } -} - -/** memcpy() self-test */ -struct self_test memcpy_test __self_test = { - .name = "memcpy", - .exec = memcpy_test_exec, -}; |