From: Florent Kermarrec Date: Fri, 18 Apr 2014 11:56:18 +0000 (+0200) Subject: tools: replace mkmscimg with mkmscimg.py (mkmscimg.c was platform dependent) X-Git-Tag: 24jan2021_ls180~2725 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=93f02a8cf46e974d7c83dd816b9925657a75e0f0;p=litex.git tools: replace mkmscimg with mkmscimg.py (mkmscimg.c was platform dependent) --- diff --git a/crc.py b/crc.py new file mode 100644 index 00000000..23ff96e0 --- /dev/null +++ b/crc.py @@ -0,0 +1,29 @@ +import binascii + +def CRC32(buf): + return binascii.crc32(buf).to_bytes(4, byteorder='big') + +def LENGTH(buf): + return len(buf).to_bytes(4, byteorder='big') + +def insert_crc(i_filename, o_filename=None): + f = open(i_filename, 'rb+') + fdata = f.read() + fcrc = CRC32(fdata) + flength = LENGTH(fdata) + f.close() + + # Write the CRC32 in big endian at the end of the file + if o_filename is None: + f = open(i_filename, 'wb') + f.write(fdata) + f.write(fcrc) + f.close() + + # Write a new file prepended with the size and CRC + else: + f = open(o_filename, 'wb') + f.write(flength) + f.write(fcrc) + f.write(fdata) + f.close() diff --git a/mkmscimg.py b/mkmscimg.py new file mode 100644 index 00000000..3b27656a --- /dev/null +++ b/mkmscimg.py @@ -0,0 +1,15 @@ +#!/usr/bin/env python3 + +import sys, argparse +import crc + +if __name__ == "__main__": + parser = argparse.ArgumentParser(description="CRC32 computation tool and MiSoC image file writer.") + parser.add_argument("-i", default=None, help="input file") + parser.add_argument("-o", default=None, help="output file (if not specified = input file)") + args = parser.parse_args() + + i_filename = args.i + o_filename = args.o + + crc.insert_crc(i_filename, o_filename) diff --git a/software/bios/Makefile b/software/bios/Makefile index 719314bd..d1fbb078 100644 --- a/software/bios/Makefile +++ b/software/bios/Makefile @@ -1,5 +1,6 @@ MSCDIR=../.. include $(MSCDIR)/software/common.mak +PYTHON = python3 OBJECTS=isr.o sdram.o main.o boot-helper.o boot.o dataflow.o @@ -9,10 +10,9 @@ all: bios.bin -include $(OBJECTS:.o=.d) %.bin: %.elf - $(MAKE) -C $(MSCDIR)/tools $(OBJCOPY) -O binary $< $@ chmod -x $@ - $(MSCDIR)/tools/mkmscimg $@ write + $(PYTHON) $(MSCDIR)/mkmscimg.py -i $@ bios.elf: linker.ld $(OBJECTS) libs diff --git a/software/videomixer/Makefile b/software/videomixer/Makefile index 59274485..9417acb5 100644 --- a/software/videomixer/Makefile +++ b/software/videomixer/Makefile @@ -1,5 +1,6 @@ MSCDIR=../.. include $(MSCDIR)/software/common.mak +PYTHON = python3 OBJECTS=isr.o processor.o dvisampler0.o dvisampler1.o edid.o pll.o ci.o config.o main.o @@ -13,7 +14,7 @@ all: videomixer.bin videomixer.fbi chmod -x $@ %.fbi: %.bin - $(MSCDIR)/tools/mkmscimg $< write $@ + $(PYTHON) $(MSCDIR)/mkmscimg.py -i $< -o $@ videomixer.elf: $(OBJECTS) libs diff --git a/tools/Makefile b/tools/Makefile index 85212499..c1ca68f6 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -1,4 +1,4 @@ -TARGETS=mkmscimg flterm byteswap +TARGETS=flterm byteswap CC=gcc RM ?= rm -f @@ -7,7 +7,7 @@ all: $(TARGETS) %: %.c $(CC) -O2 -Wall -I../common -s -o $@ $< -install: mkmscimg flterm +install: flterm install -d /usr/local/bin install -m755 -t /usr/local/bin $^ diff --git a/tools/mkmscimg.c b/tools/mkmscimg.c deleted file mode 100644 index 49830feb..00000000 --- a/tools/mkmscimg.c +++ /dev/null @@ -1,172 +0,0 @@ -/* - * CRC32 computation tool and MiSoC image file writer - * (c) 2009, 2010, 2012 Sebastien Bourdeauducq - * Released under GNU GPL v3 - * This file is part of MiSoC. - */ - -/* crc32.c -- compute the CRC-32 of a data stream - * Copyright (C) 1995-1998 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include -#include -#include -#include -#include -#include -#include -#include - -const unsigned int crc_table[256] = { - 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, - 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, - 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, - 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, - 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, - 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, - 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, - 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, - 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, - 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, - 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, - 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, - 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, - 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, - 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, - 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, - 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, - 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, - 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, - 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, - 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, - 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, - 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, - 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, - 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, - 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, - 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, - 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, - 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, - 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, - 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, - 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, - 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, - 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, - 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, - 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, - 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, - 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, - 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, - 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, - 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, - 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, - 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, - 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, - 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, - 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, - 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, - 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, - 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, - 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, - 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, - 0x2d02ef8dL -}; - -#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8); -#define DO2(buf) DO1(buf); DO1(buf); -#define DO4(buf) DO2(buf); DO2(buf); -#define DO8(buf) DO4(buf); DO4(buf); - -static unsigned int crc32(const unsigned char *buffer, unsigned int len) -{ - unsigned int crc; - crc = 0; - crc = crc ^ 0xffffffffL; - while(len >= 8) { - DO8(buffer); - len -= 8; - } - if(len) do { - DO1(buffer); - } while(--len); - return crc ^ 0xffffffffL; -} - -int main(int argc, char *argv[]) -{ - int fd, fd_out; - unsigned char *buffer; - unsigned int length; - unsigned int crc; - - if(((argc != 2) && (argc != 3) && (argc != 4)) - || ((argc > 2) && (strcmp(argv[2], "write")))) { - fprintf(stderr, "Usage: mkmscimg [write] [dest]\n"); - return 1; - } - - fd = open(argv[1], O_RDONLY); - if(fd == -1) { - perror("open"); - return 1; - } - - length = lseek(fd, 0, SEEK_END); - lseek(fd, 0, SEEK_SET); - - buffer = mmap(NULL, length, PROT_READ, MAP_SHARED, fd, 0); - if(!buffer) { - perror("mmap"); - close(fd); - return 1; - } - crc = crc32(buffer, length); - printf("CRC32 (%s): %08x\n", argv[1], crc); - - if(argc == 3) { - /* Write the CRC32 in big endian at the end of the file */ - char b[4]; - - fd_out = open(argv[1], O_WRONLY|O_APPEND); - if(fd_out == -1) { - perror("open"); - return 1; - } - b[0] = (crc & 0xff000000) >> 24; - b[1] = (crc & 0x00ff0000) >> 16; - b[2] = (crc & 0x0000ff00) >> 8; - b[3] = (crc & 0x000000ff) >> 0; - write(fd_out, &b[0], 4); - close(fd_out); - } - - if(argc == 4) { - /* Write a new file prepended with the size and CRC */ - char b[4]; - - fd_out = open(argv[3], O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH); - if(fd_out == -1) { - perror("open"); - return 1; - } - b[0] = (length & 0xff000000) >> 24; - b[1] = (length & 0x00ff0000) >> 16; - b[2] = (length & 0x0000ff00) >> 8; - b[3] = (length & 0x000000ff) >> 0; - write(fd_out, &b[0], 4); - b[0] = (crc & 0xff000000) >> 24; - b[1] = (crc & 0x00ff0000) >> 16; - b[2] = (crc & 0x0000ff00) >> 8; - b[3] = (crc & 0x000000ff) >> 0; - write(fd_out, &b[0], 4); - write(fd_out, buffer, length); - close(fd_out); - } - - munmap(buffer, length); - close(fd); - - return 0; -}