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Add ARG_TEST, check_is_EMILE_bootblock, check_is_startup, backup_bootblock

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This commit is contained in:
Laurent Vivier 2004-12-22 23:14:07 +00:00
parent ac13113131
commit 01cc6d189d
1 changed files with 163 additions and 8 deletions
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163
tools/emile.c
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@ -23,6 +23,7 @@ extern void scanbus(void);
static char *first_path = PREFIX "/boot/emile/first_scsi";
static char *second_path = PREFIX "/boot/emile/second_scsi";
static char *kernel_path = PREFIX "/boot/vmlinuz";
static char *backup_path = NULL;
static char *partition = NULL;
static int buffer_size = 0;
@ -38,6 +39,7 @@ enum {
ARG_SET_HFS = 2,
ARG_SET_STARTUP = 3,
ARG_BACKUP_BOOTBLOCK = 4,
ARG_TEST = 5,
};
static struct option long_options[] =
@ -52,7 +54,8 @@ static struct option long_options[] =
{"scanbus", 0, NULL, ARG_SCANBUS},
{"set-hfs", 1, NULL, ARG_SET_HFS },
{"set-startup", 0, NULL, ARG_SET_STARTUP },
{"backup-bootblock", 0, NULL, ARG_BACKUP_BOOTBLOCK },
{"backup-bootblock", 2, NULL, ARG_BACKUP_BOOTBLOCK },
{"test", 0, NULL, ARG_TEST },
{NULL, 0, NULL, 0}
};
@ -110,6 +113,69 @@ static int check_is_hfs(char *dev_name)
return ret;
}
static int check_is_EMILE_bootblock(char *dev_name)
{
emile_map_t *map;
int ret;
int disk;
int partition;
char disk_name[16];
char bootblock[BOOTBLOCK_SIZE];
int bootblock_type;
ret = emile_scsi_get_rdev(dev_name, &disk, &partition);
sprintf(disk_name, "/dev/sd%c", 'a' + disk);
map = emile_map_open(disk_name, O_RDONLY);
if (map == NULL)
return -1;
ret = emile_map_read(map, partition - 1);
if (ret == -1)
return -1;
ret = emile_map_bootblock_read(map, bootblock);
if (ret == -1)
return -1;
bootblock_type = emile_map_bootblock_get_type(bootblock);
emile_map_close(map);
return EMILE_BOOTBLOCK == bootblock_type;
}
static int check_is_startup(char *dev_name)
{
emile_map_t *map;
int ret;
int disk;
int partition;
char disk_name[16];
ret = emile_scsi_get_rdev(dev_name, &disk, &partition);
sprintf(disk_name, "/dev/sd%c", 'a' + disk);
map = emile_map_open(disk_name, O_RDONLY);
if (map == NULL)
return -1;
ret = emile_map_read(map, partition - 1);
if (ret == -1)
return -1;
ret = emile_map_partition_is_startup(map);
emile_map_close(map);
return ret;
}
static int backup_bootblock(char *dev_name)
{
return -1;
}
int main(int argc, char **argv)
{
int ret;
@ -119,6 +185,8 @@ int main(int argc, char **argv)
int action_set_hfs = 0;
int action_set_startup = 0;
int action_backup_bootblock = 0;
int action_set_buffer = 0;
int action_test = 0;
char tmp_partition[16];
while(1)
@ -147,6 +215,7 @@ int main(int argc, char **argv)
kernel_path = optarg;
break;
case ARG_BUFFER:
action_set_buffer = 1;
buffer_size = atoi(optarg);
break;
case ARG_PARTITION:
@ -160,6 +229,13 @@ int main(int argc, char **argv)
break;
case ARG_BACKUP_BOOTBLOCK:
action_backup_bootblock = 1;
if (optarg != NULL)
backup_path = optarg;
else
backup_path = PREFIX "/boot/emile/bootblock.backup";
break;
case ARG_TEST:
action_test = 1;
break;
}
}
@ -182,14 +258,14 @@ int main(int argc, char **argv)
partition = tmp_partition;
close(fd);
}
printf("Default partition selected to install bootstrap: %s\n",
partition);
}
ret = check_has_apple_driver(partition);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot check if Apple_Driver exists\n");
fprintf(stderr, " you should try as root\n");
if (action_test == 0)
return -1;
}
if (ret == 0)
@ -200,6 +276,7 @@ int main(int argc, char **argv)
" You must partition this disk with Apple Disk utility\n");
fprintf(stderr,
" or wait a release of EMILE allowing you to add this driver\n");
if (action_test == 0)
return -1;
}
@ -208,17 +285,95 @@ int main(int argc, char **argv)
{
fprintf(stderr,
"ERROR: cannot check if partition is Apple_HFS\n");
fprintf(stderr, " you should try as root\n");
if (action_test == 0)
return -1;
}
if (ret == 0)
if ( (ret == 0) && (action_set_hfs == 0) )
{
fprintf(stderr,
"ERROR: to be bootable a partition must be of type Apple_HFS\n");
fprintf(stderr,
" you can change it to Apple_HFS using \"--set-hfs\" argument\n");
if (action_test == 0)
return -1;
}
ret = check_is_EMILE_bootblock(partition);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot check bootblock type\n");
fprintf(stderr, " you should try as root\n");
if (action_test == 0)
return -1;
}
if ( (ret == 0) && (action_backup_bootblock == 0) )
{
fprintf(stderr,
"ERROR: there is already a bootblock on \"%s\"\n", partition);
fprintf(stderr,
" you must use \"--backup-bootblock\" to save it\n");
if (action_test == 0)
return -1;
}
ret = check_is_startup(partition);
if (ret == -1)
{
fprintf(stderr,
"ERROR: cannot check if it is startup partition\n");
fprintf(stderr, " you should try as root\n");
if (action_test == 0)
return -1;
}
if ( (ret == 0) && (action_set_startup == 0) )
{
fprintf(stderr,
"ERROR: \"%s\" is not the startup partition, \n", partition);
fprintf(stderr,
" you must use \"--set-startup\" to set it,\n");
fprintf(stderr,
" you can use later \"emile-set-startup\" to change it\n");
if (action_test == 0)
return -1;
}
if (action_set_buffer == 0)
{
buffer_size = emile_get_uncompressed_size(kernel_path);
if (buffer_size == -1)
{
fprintf(stderr,
"ERROR: cannot compute size of uncompressed kernel\n");
fprintf(stderr,
" use \"--buffer <size>\" to set it or set path of gzip in PATH\n");
fprintf(stderr,
" or check \"%s\" can be read\n", kernel_path);
if (action_test == 0)
return -1;
}
}
if (action_backup_bootblock)
{
if (action_test)
{
fprintf(stderr,
"ERROR: \"--backup-bootblock\" cannot be used with \"--test\"\n");
return -1;
}
ret = backup_bootblock(partition);
if (ret == -1)
{
fprintf(stderr,
"ERROR: cannot backup bootblock %s to %s\n",
partition, backup_path);
return -1;
}
printf("Bootblock backup successfully done.\n");
}
printf("first: %s\n", first_path);
printf("second: %s\n", second_path);
printf("kernel: %s\n", kernel_path);