genublapptext.c

用于dm6467 开发平台的uboot源码

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef unsigned int	Uint32;
typedef unsigned char	Uint8;

#define MAX_APP_SIZE	(0x400000)

FILE *fOut;
FILE *fIn;


void genFiles(char* outFileName, Uint32 fileSize, Uint32 entryOffset, Uint32 flag, Uint8 *buffer) {

	fOut = fopen(outFileName,"wb");
	if (!fOut) {
		fprintf(stderr,"coud not open %s\n",outFileName);
		return;
	}

	fwrite("    ACK", (sizeof(char)),7,fOut);
	fprintf(fOut,"%08x",fileSize);
	fprintf(fOut,"%08x",entryOffset);
	fprintf(fOut,"%08x",flag);

	fwrite("0", (sizeof(char)),1,fOut);// 4 bytes of 0
	fwrite("0", (sizeof(char)),1,fOut);
	fwrite("0", (sizeof(char)),1,fOut);
	fwrite("0", (sizeof(char)),1,fOut);

	if(fileSize != fwrite(buffer, 1, fileSize, fOut))
	{
		printf("Error writing to Output File\n");
	}

	fclose(fOut);
}



int main(int argc, char **argv) {
	int	count;
	unsigned char *ptr;
	Uint32			flag;
	Uint32			offset;

	if(argc != 4)
	{
		printf("Usage: %s <Input File> <Entry Offset> <Flag>\n", argv[0]);
		return -1;
	}

	printf("%s","Creating UBL UART mode Application Download File\n");

	/* Open the input Image */
	fIn = fopen (argv[1], "rb");
	if(fIn == NULL)
	{
		printf("Unable to open %s\n", argv[1]);
		return -1;
	}

	count = 0;
	ptr = (unsigned char *) malloc (MAX_APP_SIZE);
	if(ptr == NULL)
	{
		printf("Memory allocation failed\n");
		fclose (fIn);
		return -1;
	}

	offset = strtoul(argv[2], NULL, 16);
	flag = strtoul(argv[3], NULL, 16);

	while (!feof(fIn))
	{
		fread (&ptr[count], 1, 1, fIn);
		count ++;
	}
	count --;
	fclose (fIn);

	genFiles("UBLAppFile.txt", count, offset, flag, ptr);

	return 0;
}