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Add --getinfo

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This commit is contained in:
Laurent Vivier 2004-12-25 00:48:29 +00:00
parent 9d2e1f38c2
commit 63a8d52768
1 changed files with 72 additions and 1 deletions
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73
tools/emile-install.c
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@ -24,6 +24,7 @@ enum {
ARG_KERNEL = 'k',
ARG_RAMDISK = 'r',
ARG_BUFFER ='b',
ARG_GETINFO = 'g',
};
static struct option long_options[] =
@ -35,6 +36,7 @@ static struct option long_options[] =
{"kernel", 1, NULL, ARG_KERNEL },
{"ramdisk", 1, NULL, ARG_RAMDISK },
{"buffer", 1, NULL, ARG_BUFFER },
{"getinfo", 1, NULL, ARG_GETINFO },
{NULL, 0, NULL, 0 },
};
@ -50,6 +52,7 @@ static void usage(int argc, char** argv)
fprintf(stderr, " -k, --kernel kernel to copy to floppy\n");
fprintf(stderr, " -r, --ramdisk ramdisk to copy to floppy\n");
fprintf(stderr, " -b, --buffer buffer size to decompress kernel\n");
fprintf(stderr, " -g, --getinfo get information from >image>\n");
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
}
@ -63,12 +66,13 @@ int main(int argc, char** argv)
char* ramdisk = NULL;
unsigned long buffer_size = 0;
char* image = NULL;
int action_getinfo = 0;
int c;
int ret;
while(1)
{
c = getopt_long(argc, argv, "hvf:s:k:r:b:", long_options,
c = getopt_long(argc, argv, "hvf:s:k:r:b:g", long_options,
&option_index);
if (c == -1)
break;
@ -95,6 +99,9 @@ int main(int argc, char** argv)
case ARG_BUFFER:
buffer_size = atol(optarg);
break;
case ARG_GETINFO:
action_getinfo = 1;
break;
}
}
@ -109,6 +116,70 @@ int main(int argc, char** argv)
return 1;
}
if (action_getinfo)
{
int fd;
int drive_num;
int second_offset;
int second_size;
int buffer_size;
int kernel_offset;
int kernel_image_size;
int ramdisk_offset;
int ramdisk_size;
fd = open(image, O_RDONLY);
if (fd == -1)
{
fprintf(stderr, "ERROR: cannot open \"%s\"\n",
image);
return 2;
}
/* first level info */
ret = emile_first_get_param(fd, &drive_num, &second_offset,
&second_size);
if (ret == 0)
{
printf("EMILE boot block identified\n\n");
printf("Drive number: %d\n", drive_num);
printf("Second level offset: %d\n", second_offset);
printf("Second level size: %d\n", second_size);
/* second level info */
ret = emile_second_get_kernel(fd, &kernel_offset,
&kernel_image_size,
&ramdisk_offset,
&ramdisk_size);
if (ret != 0)
{
fprintf(stderr, "ERROR: cannot read second level\n");
return 3;
}
printf("Kernel image offset: %d\n", kernel_offset);
printf("Kernel image size: %d\n", kernel_image_size);
printf("Ramdisk offset: %d\n", ramdisk_offset);
printf("Ramdisk size: %d\n", ramdisk_size);
lseek(fd, FIRST_LEVEL_SIZE, SEEK_SET);
ret = emile_second_get_buffer_size(fd, &buffer_size);
if (ret != 0)
{
fprintf(stderr, "ERROR: cannot read second level\n");
return 3;
}
printf("Buffer size: %d\n", buffer_size);
}
else
printf("EMILE is not installed in this bootblock\n");
close(fd);
return 0;
}
if (first_level == NULL)
first_level = PREFIX "/lib/emile/first_floppy";