134 lines
2.9 KiB
C
134 lines
2.9 KiB
C
/* V2MemTest - A CLI Tool to test & fix Voodoo² TMU System
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* Copyright (C) 2026 ChaCha
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#define _BSD_SOURCE 1
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "Utils.h"
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void
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sprintbin32( char * szBuff,
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const uint32_t ulVal,
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const unsigned char bGroupByBytes)
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{
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for(uint32_t idxBit = 1u<<31 ; idxBit > 0 ; idxBit >>= 1)
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{
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if(bGroupByBytes)
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switch(idxBit)
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{
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case 1u << 23:
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case 1u << 15:
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case 1u << 7:
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*(szBuff++) = ' ';
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}
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*(szBuff++) = ulVal & idxBit ? '1' : '0';
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}
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*szBuff = '\0';
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}
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void
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printbin32( const uint32_t ulVal,
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const unsigned char bGroupByBytes)
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{
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char szBuff[32 + 3 + 1 + 1];
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sprintbin32(szBuff,ulVal,bGroupByBytes);
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strcat(szBuff,"\n");
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puts(szBuff);
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}
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void
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sprintbin32Info(char * szBuff,
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const uint32_t ulVal,
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const unsigned short uhb,
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const unsigned short ulb)
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{
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sprintbin32(szBuff, ulVal, 1);
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szBuff += 32 + 3;
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*(szBuff++) = '\n';
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*szBuff = '\0';
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sprintf(szBuff,
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"%02d....%02d %02d....%02d %02d....%02d %02d....%02d",
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uhb,
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3 * (uhb + ulb + 1) / 4, 3 * ( (uhb + ulb + 1) / 4) - 1,
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(uhb + ulb + 1) / 2, ( (uhb + ulb + 1) / 2) - 1,
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(uhb + ulb + 1) / 4, ( (uhb + ulb + 1) / 4) - 1,
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ulb);
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}
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void
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printbin32Info( const uint32_t ulVal,
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const unsigned short uhb,
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const unsigned short ulb)
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{
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char szBuff[2 * (32 + 3) + 2 + 1];
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sprintbin32Info(szBuff, ulVal, uhb, ulb);
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strcat(szBuff,"\n");
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puts(szBuff);
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}
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uint32_t
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get_notnull_random()
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{
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uint32_t val;
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do
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val = ((uint32_t)random() << 1) ^ (uint32_t)random();
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while(!val);
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return val;
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}
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uint32_t
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get_notnull_random_balanced()
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{
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uint32_t val;
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do
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val = ((uint32_t)random() << 1) ^ (uint32_t)random();
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while(count_bit32(val) != 16);
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return val;
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}
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uint8_t
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get_notnull8_random_balanced()
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{
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uint8_t val;
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static uint8_t prev = 0;
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do
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val = (uint8_t)random();
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while((count_bit8(val) != 4) || (val == prev));
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prev = val;
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return val;
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}
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uint32_t
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get_notnull_random_balanced_mByte()
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{
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uint32_t val;
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static uint32_t prev = 0;
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do
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val = (get_notnull8_random_balanced() << 24)
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| (get_notnull8_random_balanced() << 16)
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| (get_notnull8_random_balanced() << 8)
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| (get_notnull8_random_balanced() << 0);
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while(val == prev);
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prev = val;
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return val;
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}
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