1/* 2 * Copyright (c) 2007 MIPS Technologies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Jaidev Patwardhan 29 */ 30 31#include <cctype> 32#include <cstdio> 33#include <list> 34#include <string> 35 36#include "base/cprintf.hh" 37#include "base/loader/hex_file.hh" 38#include "base/loader/symtab.hh" 39#include "mem/translating_port.hh" 40 41using namespace std; 42/* 43 * Load a Hex File into memory. Currently only used with MIPS 44 * BARE_IRON mode. A hex file consists of [Address Data] tuples that 45 * get directly loaded into physical memory. The address specified is 46 * a word address (i.e., to get the byte address, shift left by 2) The 47 * data is a full 32-bit hex value. 48*/ 49HexFile::HexFile(const string _filename) 50 : filename(_filename) 51{ 52 fp = fopen(filename.c_str(), "r"); 53 if (fp == NULL) 54 panic("Unable to open %s\n", filename.c_str()); 55} 56 57HexFile::~HexFile() 58{ 59} 60 61bool 62HexFile::loadSections(Port *memPort) 63{ 64 char Line[64]; 65 Addr MemAddr; 66 uint32_t Data; 67 while (!feof(fp)) {
| 1/* 2 * Copyright (c) 2007 MIPS Technologies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Jaidev Patwardhan 29 */ 30 31#include <cctype> 32#include <cstdio> 33#include <list> 34#include <string> 35 36#include "base/cprintf.hh" 37#include "base/loader/hex_file.hh" 38#include "base/loader/symtab.hh" 39#include "mem/translating_port.hh" 40 41using namespace std; 42/* 43 * Load a Hex File into memory. Currently only used with MIPS 44 * BARE_IRON mode. A hex file consists of [Address Data] tuples that 45 * get directly loaded into physical memory. The address specified is 46 * a word address (i.e., to get the byte address, shift left by 2) The 47 * data is a full 32-bit hex value. 48*/ 49HexFile::HexFile(const string _filename) 50 : filename(_filename) 51{ 52 fp = fopen(filename.c_str(), "r"); 53 if (fp == NULL) 54 panic("Unable to open %s\n", filename.c_str()); 55} 56 57HexFile::~HexFile() 58{ 59} 60 61bool 62HexFile::loadSections(Port *memPort) 63{ 64 char Line[64]; 65 Addr MemAddr; 66 uint32_t Data; 67 while (!feof(fp)) {
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69 parseLine(Line, &MemAddr, &Data); 70 if (MemAddr != 0) { 71 // Now, write to memory 72 memPort->writeBlob(MemAddr << 2, (uint8_t *)&Data, sizeof(Data)); 73 } 74 } 75 return true; 76} 77 78void 79HexFile::parseLine(char *Str, Addr *A, uint32_t *D) 80{ 81 int i = 0; 82 bool Flag = false; 83 *A = 0; 84 *D = 0; 85 int Digit = 0; 86 unsigned Number = 0; 87 88 /* Skip white spaces */ 89 while (Str[i] != '\0' && Str[i]==' ') 90 i++; 91 92 /* Ok, we're at some character...process things */ 93 while (Str[i] != '\0') { 94 if (Str[i] >= '0' && Str[i] <= '9') { 95 Digit = Str[i] - '0'; 96 } else if (Str[i] >= 'a' && Str[i] <= 'f') { 97 Digit = Str[i] - 'a' + 10; 98 } else if (Str[i] >= 'A' && Str[i] <= 'F') { 99 Digit=Str[i]-'A'+10; 100 } else if (Str[i] == ' ' || Str[i] == '\n') { 101 if (Number == 0) 102 return; 103 if (Flag == false) { 104 *A = Number; 105 Number = 0; 106 Flag = true; 107 } else { 108 *D = Number; 109 return; 110 } 111 } else { 112 // Ok, we've encountered a non-hex character, cannot be a 113 // valid line, skip and return 0's 114 *A = 0; 115 *D = 0; 116 return; 117 } 118 119 Number <<= 4; 120 Number += Digit; 121 i++; 122 } 123 124 if (Flag != true) { 125 *A = 0; 126 *D = 0; 127 } else { 128 *D = Number; 129 } 130} 131 132void 133HexFile::close() 134{ 135 fclose(fp); 136}
| 71 parseLine(Line, &MemAddr, &Data); 72 if (MemAddr != 0) { 73 // Now, write to memory 74 memPort->writeBlob(MemAddr << 2, (uint8_t *)&Data, sizeof(Data)); 75 } 76 } 77 return true; 78} 79 80void 81HexFile::parseLine(char *Str, Addr *A, uint32_t *D) 82{ 83 int i = 0; 84 bool Flag = false; 85 *A = 0; 86 *D = 0; 87 int Digit = 0; 88 unsigned Number = 0; 89 90 /* Skip white spaces */ 91 while (Str[i] != '\0' && Str[i]==' ') 92 i++; 93 94 /* Ok, we're at some character...process things */ 95 while (Str[i] != '\0') { 96 if (Str[i] >= '0' && Str[i] <= '9') { 97 Digit = Str[i] - '0'; 98 } else if (Str[i] >= 'a' && Str[i] <= 'f') { 99 Digit = Str[i] - 'a' + 10; 100 } else if (Str[i] >= 'A' && Str[i] <= 'F') { 101 Digit=Str[i]-'A'+10; 102 } else if (Str[i] == ' ' || Str[i] == '\n') { 103 if (Number == 0) 104 return; 105 if (Flag == false) { 106 *A = Number; 107 Number = 0; 108 Flag = true; 109 } else { 110 *D = Number; 111 return; 112 } 113 } else { 114 // Ok, we've encountered a non-hex character, cannot be a 115 // valid line, skip and return 0's 116 *A = 0; 117 *D = 0; 118 return; 119 } 120 121 Number <<= 4; 122 Number += Digit; 123 i++; 124 } 125 126 if (Flag != true) { 127 *A = 0; 128 *D = 0; 129 } else { 130 *D = Number; 131 } 132} 133 134void 135HexFile::close() 136{ 137 fclose(fp); 138}
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