fs_hdr.c

来自「ARM开发用的启动代码」· C语言 代码 · 共 61 行

#include <stdio.h>
#include <stdlib.h>
#include "board.h"
#include "bios.h"

#define MAX_FILENAME_LEN   80

long filesize(FILE *stream)
{
   long curpos, length;

   curpos = ftell(stream);
   fseek(stream, 0L, SEEK_END);
   length = ftell(stream);
   fseek(stream, curpos, SEEK_SET);
   return length;
}

int main(int argc, char **argv)
{
	struct firmware_section_hdr fs_hdr;
	char SectionFileName[MAX_FILENAME_LEN + 1];
	char HeaderFileName[MAX_FILENAME_LEN + 1];
	FILE *f;
	unsigned short type;
	long size;
	long param;

	if (argc != 5)
	{
		printf("Usage: fs_hdr <section file name> <type> <param> <header file name>\n\n");
		exit(0);
	}

	strncpy(SectionFileName, argv[1], MAX_FILENAME_LEN);
	SectionFileName[MAX_FILENAME_LEN] = '\0';
	type = atol(argv[2]);
	param = atol(argv[3]);
	strncpy(HeaderFileName, argv[4], MAX_FILENAME_LEN);
	HeaderFileName[MAX_FILENAME_LEN] = '\0';

	size = 0;
	if (type > 0) {
		f = fopen(SectionFileName, "rb");
		size = filesize(f);
		fclose(f);
	}

	fs_hdr.flags = 0;
	fs_hdr.type = type;
	fs_hdr.offset = sizeof(struct firmware_section_hdr);
	fs_hdr.size = size;
	fs_hdr.param = param;

	f = fopen(HeaderFileName, "wb");
	fwrite((char *)(&fs_hdr), 1, sizeof(struct firmware_section_hdr), f);
	fclose(f);

	return 0;
}