EMILE/tools/emile-first-info.c
2004-05-21 10:23:12 +00:00

130 lines
3.1 KiB
C

/*
*
* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
*/
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include "emile-first.h"
static void usage(int argc, char** argv)
{
fprintf(stderr, "Usage: %s <image>\n", argv[0]);
fprintf(stderr, "\n display first level boot block info\n");
}
static void pprint(char *string)
{
int l = *string++;
while (l-- != 0)
putchar(*string++);
}
int first_info(char* image)
{
int fd;
eBootBlock_t firstBlock;
int ret;
fd = open(image, O_RDONLY);
if (fd == -1)
{
perror("Cannot open image file");
return 2;
}
ret = read(fd, &firstBlock, sizeof(firstBlock));
if (ret != sizeof(firstBlock))
{
perror("Cannot read first level boot block");
close(fd);
return 3;
}
printf("Boot Block Header:\n\n");
printf("Boot blocks signature: 0x%x\n",
firstBlock.boot_block_header.ID);
printf("Entry point to bootcode: 0x%lX\n",
firstBlock.boot_block_header.Entry);
printf("Boot blocks version number: %x\n",
firstBlock.boot_block_header.Version);
printf("System filename: ");
pprint(firstBlock.boot_block_header.SysName);
putchar('\n');
printf("Finder filename: ");
pprint(firstBlock.boot_block_header.ShellName);
putchar('\n');
printf("Debugger1 filename: ");
pprint(firstBlock.boot_block_header.Dbg1Name);
putchar('\n');
printf("Debugger2 filename: ");
pprint(firstBlock.boot_block_header.Dbg2Name);
putchar('\n');
printf("Name of startup screen: ");
pprint(firstBlock.boot_block_header.ScreenName);
putchar('\n');
printf("Name of startup program: ");
pprint(firstBlock.boot_block_header.HelloName);
putchar('\n');
printf("Name of system scrap file: ");
pprint(firstBlock.boot_block_header.ScrapName);
putchar('\n');
printf("Number of FCBs to allocate: %d\n",
firstBlock.boot_block_header.CntFCBs);
printf("Number of event queue elements: %d\n",
firstBlock.boot_block_header.CntEvts);
printf("System heap size on 128K Mac: 0x%lx\n",
firstBlock.boot_block_header.Heap128K);
printf("System heap size on 256K Mac: 0x%lx\n",
firstBlock.boot_block_header.Heap256K);
printf("System heap size on all machines: 0x%lx\n",
firstBlock.boot_block_header.SysHeapSize);
if ( strncmp( firstBlock.boot_block_header.SysName+1,
"Mac Bootloader", 14) == 0 )
{
printf("\nEMILE boot block identified\n\n");
printf("Drive number: %d\n",
firstBlock.second_param_block.ioVRefNum);
printf("File reference number: %d\n",
firstBlock.second_param_block.ioRefNum);
printf("Second level size: %ld\n",
firstBlock.second_param_block.ioReqCount);
printf("Second level offset: %ld\n",
firstBlock.second_param_block.ioPosOffset);
}
close(fd);
return 0;
}
int main(int argc, char** argv)
{
int ret;
ASSERT_BBH(
{fprintf(stderr,"Internal Error: Bad BootBlkHdr size\n"); exit(1);});
ASSERT_PBR(
{fprintf(stderr,"Internal Error: Bad ParamBlockRec size\n"); exit(1);});
ASSERT_BB(
{fprintf(stderr,"Internal Error: Bad boot block size\n"); exit(1);});
if (argc != 2)
{
usage(argc, argv);
return 1;
}
ret = first_info(argv[1]);
return ret;
}