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https://github.com/stnolting/neorv32.git
synced 2025-04-24 14:17:51 -04:00
[sw] clean-up image generator
This commit is contained in:
stnolting
parent
9a1d370d9f
commit
d6167b90d6
1 changed files with 69 additions and 118 deletions
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@ -3,7 +3,7 @@
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// # ********************************************************************************************* #
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// # BSD 3-Clause License #
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// # #
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// # Copyright (c) 2022, Stephan Nolting. All rights reserved. #
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// # Copyright (c) 2023, Stephan Nolting. All rights reserved. #
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// # #
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// # Redistribution and use in source and binary forms, with or without modification, are #
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// # permitted provided that the following conditions are met: #
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@ -38,16 +38,17 @@
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#include <string.h>
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#include <time.h>
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// executable signature ("magic word")
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const uint32_t signature = 0x4788CAFE;
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enum operation_enum {OP_APP_BIN, OP_APP_IMG, OP_BLD_IMG, OP_RAW_HEX, OP_RAW_BIN};
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int main(int argc, char *argv[]) {
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if ((argc != 4) && (argc != 5)){
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printf("<<< NEORV32 executable image generator >>>\n"
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"by Stephan Nolting\n"
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if ((argc != 4) && (argc != 5)) {
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printf("NEORV32 executable image generator\n"
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"Three arguments are required.\n"
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"1st: Option\n"
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"1st: Operation\n"
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" -app_bin : Generate application executable binary (binary file, little-endian, with header) \n"
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" -app_img : Generate application raw executable memory image (vhdl package body file, no header)\n"
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" -raw_hex : Generate application raw executable (ASCII hex file, no header)\n"
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@ -55,7 +56,7 @@ int main(int argc, char *argv[]) {
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" -bld_img : Generate bootloader raw executable memory image (vhdl package body file, no header)\n"
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"2nd: Input file (raw binary image)\n"
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"3rd: Output file\n"
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"4th: Project folder (optional)\n");
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"4th: Project name or folder (optional)\n");
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return 0;
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}
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@ -64,49 +65,51 @@ int main(int argc, char *argv[]) {
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char tmp_string[1024];
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uint32_t tmp = 0, size = 0, checksum = 0;
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unsigned int i = 0;
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int option = 0;
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int operation = 0;
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unsigned long raw_exe_size = 0;
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if (strcmp(argv[1], "-app_bin") == 0)
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option = 1;
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else if (strcmp(argv[1], "-app_img") == 0)
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option = 2;
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else if (strcmp(argv[1], "-bld_img") == 0)
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option = 3;
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else if (strcmp(argv[1], "-raw_hex") == 0)
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option = 4;
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else if (strcmp(argv[1], "-raw_bin") == 0)
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option = 5;
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if (strcmp(argv[1], "-app_bin") == 0) { operation = OP_APP_BIN; }
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else if (strcmp(argv[1], "-app_img") == 0) { operation = OP_APP_IMG; }
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else if (strcmp(argv[1], "-bld_img") == 0) { operation = OP_BLD_IMG; }
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else if (strcmp(argv[1], "-raw_hex") == 0) { operation = OP_RAW_HEX; }
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else if (strcmp(argv[1], "-raw_bin") == 0) { operation = OP_RAW_BIN; }
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else {
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printf("Invalid option!");
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return 1;
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printf("Invalid operation!");
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return -1;
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}
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// open input file
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input = fopen(argv[2], "rb");
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if(input == NULL){
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if(input == NULL) {
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printf("Input file error!");
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return 2;
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}
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// open output file
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output = fopen(argv[3], "wb");
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if(output == NULL){
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printf("Output file error!");
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return 3;
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return -2;
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}
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// get input file size
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fseek(input, 0L, SEEK_END);
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unsigned int input_size = (unsigned int)ftell(input);
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rewind(input);
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unsigned int input_words = input_size / 4;
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rewind(input);
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// input file empty?
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if(input_size == 0) {
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printf("Input file is empty!");
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fclose(input);
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return -3;
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}
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// ------------------------------------------------------------
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// Try to find out targeted CPU configuration
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// via MARCH environment variable
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// ------------------------------------------------------------
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// open output file
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output = fopen(argv[3], "wb");
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if(output == NULL) {
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printf("Output file error!");
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fclose(input);
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return -4;
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}
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// --------------------------------------------------------------------------
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// Try to find out targeted CPU configuration
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// via MARCH environment variable
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// --------------------------------------------------------------------------
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char string_march[64] = "default";
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char *envvar_march = "MARCH";
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if (getenv(envvar_march)) {
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@ -116,9 +119,9 @@ int main(int argc, char *argv[]) {
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}
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// ------------------------------------------------------------
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// Get image's compilation date and time
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// ------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Get image's compilation date and time
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// --------------------------------------------------------------------------
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time_t time_current;
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time(&time_current);
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struct tm *time_local = localtime(&time_current);
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@ -134,9 +137,9 @@ int main(int argc, char *argv[]) {
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);
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// ------------------------------------------------------------
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// Get size of application (in bytes)
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// ------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Get size of application (in bytes)
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// --------------------------------------------------------------------------
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fseek(input, 0L, SEEK_END);
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// get file size (raw executable)
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@ -146,10 +149,10 @@ int main(int argc, char *argv[]) {
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rewind(input);
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// ------------------------------------------------------------
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// Generate BINARY executable (with header!) for bootloader upload
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// ------------------------------------------------------------
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if (option == 1) {
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// --------------------------------------------------------------------------
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// Generate BINARY executable (with header!) for bootloader upload
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// --------------------------------------------------------------------------
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if (operation == OP_APP_BIN) {
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// reserve header space for signature
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fputc(0, output);
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@ -169,11 +172,6 @@ int main(int argc, char *argv[]) {
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fputc(0, output);
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fputc(0, output);
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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checksum = 0;
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size = 0;
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rewind(input);
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@ -210,11 +208,11 @@ int main(int argc, char *argv[]) {
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}
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// ------------------------------------------------------------
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// Generate APPLICATION's executable memory initialization file (no header!)
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// => VHDL package body
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// ------------------------------------------------------------
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if (option == 2) {
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// --------------------------------------------------------------------------
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// Generate APPLICATION's executable memory initialization file (no header!)
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// => VHDL package body
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// --------------------------------------------------------------------------
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if (operation == OP_APP_IMG) {
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// header
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sprintf(tmp_string, "-- The NEORV32 RISC-V Processor: https://github.com/stnolting/neorv32\n"
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@ -229,13 +227,7 @@ int main(int argc, char *argv[]) {
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"constant application_init_image : mem32_t := (\n", argv[4], argv[2], raw_exe_size, string_march, compile_time);
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fputs(tmp_string, output);
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// data
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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i = 0;
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while (i < (input_words-1)) {
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if (fread(&buffer, sizeof(unsigned char), 4, input) != 0) {
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tmp = (uint32_t)(buffer[0] << 0);
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@ -244,10 +236,6 @@ int main(int argc, char *argv[]) {
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tmp |= (uint32_t)(buffer[3] << 24);
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sprintf(tmp_string, "x\"%08x\",\n", (unsigned int)tmp);
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fputs(tmp_string, output);
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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i++;
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}
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else {
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@ -263,10 +251,6 @@ int main(int argc, char *argv[]) {
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tmp |= (uint32_t)(buffer[3] << 24);
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sprintf(tmp_string, "x\"%08x\"\n", (unsigned int)tmp);
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fputs(tmp_string, output);
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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i++;
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}
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else {
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@ -281,11 +265,11 @@ int main(int argc, char *argv[]) {
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}
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// ------------------------------------------------------------
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// Generate BOOTLOADER's executable memory initialization file (no header!)
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// => VHDL package body
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// ------------------------------------------------------------
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if (option == 3) {
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// --------------------------------------------------------------------------
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// Generate BOOTLOADER's executable memory initialization file (no header!)
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// => VHDL package body
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// --------------------------------------------------------------------------
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if (operation == OP_BLD_IMG) {
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// header
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sprintf(tmp_string, "-- The NEORV32 RISC-V Processor: https://github.com/stnolting/neorv32\n"
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@ -300,13 +284,7 @@ int main(int argc, char *argv[]) {
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"constant bootloader_init_image : mem32_t := (\n", argv[4], argv[2], raw_exe_size, string_march, compile_time);
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fputs(tmp_string, output);
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// data
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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i = 0;
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while (i < (input_words-1)) {
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if (fread(&buffer, sizeof(unsigned char), 4, input) != 0) {
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tmp = (uint32_t)(buffer[0] << 0);
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@ -315,10 +293,6 @@ int main(int argc, char *argv[]) {
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tmp |= (uint32_t)(buffer[3] << 24);
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sprintf(tmp_string, "x\"%08x\",\n", (unsigned int)tmp);
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fputs(tmp_string, output);
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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i++;
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}
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else {
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@ -334,10 +308,6 @@ int main(int argc, char *argv[]) {
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tmp |= (uint32_t)(buffer[3] << 24);
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sprintf(tmp_string, "x\"%08x\"\n", (unsigned int)tmp);
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fputs(tmp_string, output);
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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i++;
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}
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else {
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@ -352,16 +322,10 @@ int main(int argc, char *argv[]) {
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}
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// ------------------------------------------------------------
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// Generate raw APPLICATION's executable ASCII hex file (no header!!!)
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// ------------------------------------------------------------
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if (option == 4) {
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// data
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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// --------------------------------------------------------------------------
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// Generate raw APPLICATION's executable ASCII hex file (no header!)
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// --------------------------------------------------------------------------
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if (operation == OP_RAW_HEX) {
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while(fread(&buffer, sizeof(unsigned char), 4, input) != 0) {
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tmp = (uint32_t)(buffer[0] << 0);
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@ -374,33 +338,20 @@ int main(int argc, char *argv[]) {
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}
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// ------------------------------------------------------------
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// Generate raw APPLICATION's executable binary file (no header!!!)
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// ------------------------------------------------------------
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if (option == 5) {
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// --------------------------------------------------------------------------
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// Generate raw APPLICATION's executable binary file (no header!)
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// --------------------------------------------------------------------------
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if (operation == OP_RAW_BIN) {
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// data
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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while(fread(&buffer, sizeof(unsigned char), 4, input) != 0) {
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tmp = (uint32_t)(buffer[0] << 0);
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tmp |= (uint32_t)(buffer[1] << 8);
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tmp |= (uint32_t)(buffer[2] << 16);
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tmp |= (uint32_t)(buffer[3] << 24);
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while(fread(&buffer, sizeof(unsigned char), 1, input) != 0) {
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fputc(buffer[0], output);
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fputc(buffer[1], output);
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fputc(buffer[2], output);
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fputc(buffer[3], output);
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}
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}
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// ------------------------------------------------------------
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// Done, clean up
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// ------------------------------------------------------------
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// --------------------------------------------------------------------------
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// Done, clean up
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// --------------------------------------------------------------------------
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fclose(input);
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fclose(output);
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