Add --get-driver

This commit is contained in:
Laurent Vivier 2005-02-02 14:47:49 +00:00
parent 348594349c
commit 46da9c1017

View File

@ -10,6 +10,8 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>
#include <string.h>
#include <unistd.h>
#include "libemile.h"
@ -24,6 +26,8 @@ enum {
ACTION_TYPE = 0x02,
ACTION_STARTUP = 0x04,
ACTION_SCANBUS = 0x08,
ACTION_GET = 0x10,
ACTION_PUT = 0x20,
};
enum {
@ -34,6 +38,8 @@ enum {
ARG_TYPE ='t',
ARG_STARTUP ='s',
ARG_VERBOSE = 'v',
ARG_GET = 'g',
ARG_PUT = 'p',
};
static struct option long_options[] =
@ -44,15 +50,142 @@ static struct option long_options[] =
{"startup", 0, NULL, ARG_STARTUP },
{"scanbus", 0, NULL, ARG_SCANBUS },
{"verbose", 0, NULL, ARG_VERBOSE },
{"get-driver", 1, NULL, ARG_GET },
{"put-driver", 1, NULL, ARG_PUT },
{NULL, 0, NULL, 0 },
};
static void usage(int argc, char** argv)
{
fprintf(stderr, "Usage: %s [--verbose|-v][--scanbus][--startup|--flags FLAGS][--type TYPE] <partition>\n", argv[0]);
fprintf(stderr, "Usage: %s [--verbose|-v]--scanbus\n", argv[0]);
fprintf(stderr, "Usage: %s [--startup|--flags FLAGS][--type TYPE][--get-driver|-g FILE][--put-driver|-p FILE] <partition>\n", argv[0]);
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
}
int get_driver(emile_map_t *map, int partition, char* appledriver)
{
int driver;
int block_size, block_count;
int driver_number;
int block, size, type, part;
int bootstart, bootsize, bootaddr, bootentry, checksum;
char processor[16];
char *code;
int fd;
int ret;
emile_map_read(map, partition);
if (strncmp(emile_map_get_partition_type(map),
"Apple_Driver", strlen("Apple_Driver")) != 0)
{
fprintf(stderr,
"ERROR: the type of the partition must begin with \"Apple_Driver\"\n");
return -1;
}
if (strcmp(emile_map_get_partition_name(map), "Macintosh") != 0)
{
fprintf(stderr,
"ERROR: the name of the partition must be \"Macintosh\"\n");
return -1;
}
emile_map_geometry(map, &block_size, &block_count);
driver_number = emile_map_get_driver_number(map);
if (driver_number == 0)
{
fprintf(stderr, "ERROR: no driver on this device\n");
return -1;
}
for (driver = 0; driver < driver_number; driver++)
{
emile_map_get_driver_info(map, driver, &block, &size, &type);
part = emile_map_seek_driver_partition(map,
block * block_size / 512 );
if (part == partition)
break;
}
if (part != partition)
{
fprintf(stderr,
"ERROR: cannot find partition in driver table\n");
return -1;
}
printf("Found driver %d for partition %d\n", driver, partition + 1);
printf("base: %d size: %d type: 0x%x\n", block, size, type);
emile_map_get_bootinfo(map, &bootstart, &bootsize, &bootaddr,
&bootentry, &checksum, processor);
printf("Bootstart: %d, Bootsize: %d, Bootaddr: %d, Bootentry: %d\n",
bootstart, bootsize, bootaddr, bootentry);
printf("Checksum: 0x%04x, Processor: %s\n", checksum, processor);
if (strcmp(processor, "68000") != 0)
{
fprintf( stderr,
"ERROR: cannot manage processor %s (not 68000)\n", processor);
return -1;
}
code = (char*)malloc(bootsize);
if (code == NULL)
{
fprintf(stderr, "ERROR: cannot malloc() to load driver in memory\n");
return -1;
}
fd = open(emile_map_dev(map), O_RDONLY);
if (fd == -1)
{
fprintf(stderr, "ERROR: cannot read driver (open())\n");
free(code);
return -1;
}
ret = lseek(fd, block * block_size, SEEK_SET);
if (ret != block * block_size)
{
fprintf(stderr, "ERROR: cannot read drivera (lseek())\n");
free(code);
close(fd);
return -1;
}
ret = read(fd, code, bootsize);
close(fd);
if (ret != bootsize)
{
fprintf(stderr, "ERROR: cannot read driver (read())\n");
free(code);
return -1;
}
if (emile_checksum(code, bootsize) != checksum)
fprintf(stderr, "WARNING: checksum is invalid (0x%x)\n",
emile_checksum(code, bootsize));
fd = open(appledriver, O_WRONLY | O_CREAT | O_EXCL, S_IWUSR | S_IRUSR);
if (fd == -1)
{
fprintf(stderr, "ERROR: cannot open %s to save driver\n",
appledriver);
free(code);
return -1;
}
ret = write(fd, code, bootsize);
close(fd);
free(code);
if (ret != bootsize)
{
fprintf(stderr, "ERROR: cannot save driver to %s\n",
appledriver);
return -1;
}
return 0;
}
int main(int argc, char** argv)
{
emile_map_t *map;
@ -63,6 +196,7 @@ int main(int argc, char** argv)
char *driver;
int action = ACTION_NONE;
char *dev_name = NULL;
char *appledriver = NULL;
int c;
int option_index;
int flags;
@ -70,7 +204,7 @@ int main(int argc, char** argv)
while(1)
{
c = getopt_long(argc, argv, "hvsf:t:", long_options,
c = getopt_long(argc, argv, "hvg:p:sf:t:", long_options,
&option_index);
if (c == -1)
break;
@ -96,6 +230,14 @@ int main(int argc, char** argv)
case ARG_SCANBUS:
action |= ACTION_SCANBUS;
break;
case ARG_GET:
action |= ACTION_GET;
appledriver = optarg;
break;
case ARG_PUT:
action |= ACTION_PUT;
appledriver = optarg;
break;
}
}
if (action & ACTION_SCANBUS) {
@ -108,6 +250,10 @@ int main(int argc, char** argv)
scanbus();
return 0;
}
if ((action & ACTION_GET) && (action & ACTION_PUT)) {
fprintf(stderr, "You should use --get-driver OR --put-driver\n");
return 1;
}
if (optind < argc)
dev_name = argv[optind];
@ -144,10 +290,44 @@ int main(int argc, char** argv)
}
ret = emile_map_set_startup(disk_name, partition - 1);
if (ret == -1) {
fprintf(stderr, "ERROR: cannot set startup partition\n");
if (ret == -1)
return 3;
}
if (action & ACTION_GET)
{
map = emile_map_open(disk_name, O_RDONLY);
if (map == NULL)
{
fprintf(stderr, "ERROR: cannot open partition map\n");
return 4;
}
ret = emile_map_read(map, partition - 1);
if (ret != partition - 1)
{
fprintf(stderr,
"ERROR: cannot read partition %d info\n", partition);
return 5;
}
if (appledriver == NULL) {
fprintf(stderr, "ERROR: filename missing\n");
emile_map_close(map);
return 6;
}
ret = get_driver(map, partition - 1, appledriver);
if (ret == -1) {
fprintf(stderr,
"ERROR: cannot put driver from partition %d to file %s\n",
partition, appledriver);
emile_map_close(map);
return 6;
}
emile_map_close(map);
return 0;
}
map = emile_map_open(disk_name, O_RDWR);
@ -177,7 +357,7 @@ int main(int argc, char** argv)
{
fprintf(stderr,
"ERROR: cannot set partition type to %s\n", type);
return 6;
return 7;
}
}
@ -186,7 +366,7 @@ int main(int argc, char** argv)
{
fprintf(stderr,
"ERROR: cannot write partition %d info\n", partition);
return 5;
return 8;
}
emile_map_close(map);