filename | src/test/testxlt.c |
changeset | 922:8a8361264b1e |
prev | 561:533f6b478071 |
next | 991:60c7fab9c880 |
author | nkeynes |
date | Thu Dec 11 23:26:03 2008 +0000 (15 years ago) |
permissions | -rw-r--r-- |
last change | Disable the generational translation cache - I've got no evidence that it actually helps performance, and it simplifies things to get rid of it (in particular, translated code doesn't have to worry about being moved now). |
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nkeynes@561 | 1 | /** |
nkeynes@561 | 2 | * $Id$ |
nkeynes@561 | 3 | * |
nkeynes@561 | 4 | * Translation cache test functions |
nkeynes@561 | 5 | * |
nkeynes@561 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@561 | 7 | * |
nkeynes@561 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@561 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@561 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@561 | 11 | * (at your option) any later version. |
nkeynes@561 | 12 | * |
nkeynes@561 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@561 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@561 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@561 | 16 | * GNU General Public License for more details. |
nkeynes@561 | 17 | */ |
nkeynes@561 | 18 | |
nkeynes@363 | 19 | #include <assert.h> |
nkeynes@363 | 20 | #include "sh4/xltcache.h" |
nkeynes@363 | 21 | #include "dreamcast.h" |
nkeynes@363 | 22 | |
nkeynes@363 | 23 | extern xlat_cache_block_t xlat_new_cache; |
nkeynes@363 | 24 | extern xlat_cache_block_t xlat_new_cache_ptr; |
nkeynes@363 | 25 | |
nkeynes@363 | 26 | /** |
nkeynes@363 | 27 | * Test initial allocations from the new cache |
nkeynes@363 | 28 | */ |
nkeynes@363 | 29 | void test_initial() |
nkeynes@363 | 30 | { |
nkeynes@363 | 31 | int i; |
nkeynes@363 | 32 | xlat_cache_block_t block = xlat_start_block( 0x0C008000 ); |
nkeynes@363 | 33 | assert( block->active == 1 ); |
nkeynes@363 | 34 | assert( block->size == XLAT_NEW_CACHE_SIZE - (2*sizeof(struct xlat_cache_block)) ); |
nkeynes@363 | 35 | memset( block->code, 0xB5, 8192 ); |
nkeynes@515 | 36 | xlat_commit_block( 8192, 100 ); |
nkeynes@363 | 37 | assert( block->active == 1 ); |
nkeynes@363 | 38 | assert( block->size == 8192 ); |
nkeynes@363 | 39 | |
nkeynes@363 | 40 | int size = XLAT_NEW_CACHE_SIZE - (4*sizeof(struct xlat_cache_block)) - 8192 - 4096; |
nkeynes@363 | 41 | xlat_cache_block_t block2 = xlat_start_block( 0x0C009000 ); |
nkeynes@363 | 42 | assert( block2->active == 1 ); |
nkeynes@363 | 43 | assert( block2->size == XLAT_NEW_CACHE_SIZE - (3*sizeof(struct xlat_cache_block)) - 8192 ); |
nkeynes@363 | 44 | memset( block2->code, 0x6D, size ); |
nkeynes@515 | 45 | xlat_commit_block( size, 200 ); |
nkeynes@363 | 46 | assert( block2->active == 1 ); |
nkeynes@363 | 47 | assert( block2->size == size ); |
nkeynes@363 | 48 | |
nkeynes@363 | 49 | void *addr = xlat_get_code( 0x0C008000 ); |
nkeynes@363 | 50 | assert( addr == &block->code ); |
nkeynes@363 | 51 | addr = xlat_get_code( 0x0C009000 ); |
nkeynes@363 | 52 | assert( addr == &block2->code ); |
nkeynes@363 | 53 | addr = xlat_get_code( 0x0C008002 ); |
nkeynes@363 | 54 | assert( addr == NULL ); |
nkeynes@363 | 55 | |
nkeynes@363 | 56 | xlat_cache_block_t block3 = xlat_start_block( 0x0D009800 ); |
nkeynes@363 | 57 | assert( block3->active == 1 ); |
nkeynes@363 | 58 | assert( block3->size == 4096 ); |
nkeynes@363 | 59 | memset( block3->code, 0x9C, 4096 ); |
nkeynes@515 | 60 | xlat_cache_block_t block3a = xlat_extend_block(8192); |
nkeynes@363 | 61 | assert( block3a != block3 ); |
nkeynes@363 | 62 | assert( block3a == block ); |
nkeynes@363 | 63 | assert( block3a->active == 1 ); |
nkeynes@363 | 64 | assert( block3a->size = 8192 ); |
nkeynes@363 | 65 | assert( block3->active == 0 ); |
nkeynes@363 | 66 | assert( block3->size == 4096 ); |
nkeynes@363 | 67 | for( i=0; i<4096; i++ ) { |
nkeynes@363 | 68 | assert( block3a->code[i] == 0x9C ); |
nkeynes@363 | 69 | } |
nkeynes@363 | 70 | for( i=4096; i<8192; i++ ) { |
nkeynes@363 | 71 | assert( block3a->code[i] == 0xB5 ); |
nkeynes@363 | 72 | } |
nkeynes@515 | 73 | xlat_commit_block(6142, 432); |
nkeynes@363 | 74 | addr = xlat_get_code( 0x0D009800 ); |
nkeynes@363 | 75 | assert( addr == &block3a->code ); |
nkeynes@363 | 76 | } |
nkeynes@363 | 77 | |
nkeynes@363 | 78 | int main() |
nkeynes@363 | 79 | { |
nkeynes@363 | 80 | xlat_cache_init(); |
nkeynes@363 | 81 | xlat_check_integrity(); |
nkeynes@363 | 82 | |
nkeynes@363 | 83 | test_initial(); |
nkeynes@363 | 84 | return 0; |
nkeynes@363 | 85 | } |
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