EMILE/tools/emile-map-set.c

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/*
*
* (c) 2004 Laurent Vivier <Laurent@lvivier.info>
*
*/
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>
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#include <string.h>
#include <unistd.h>
#include "partition.h"
#include "libemile.h"
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int verbose = 0;
extern void scanbus(void);
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extern void diskinfo(char*);
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enum {
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ACTION_NONE = 0x00,
ACTION_FLAGS = 0x01,
ACTION_TYPE = 0x02,
ACTION_STARTUP = 0x04,
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ACTION_SCANBUS = 0x08,
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ACTION_GET = 0x10,
ACTION_PUT = 0x20,
};
enum {
ARG_NONE = 0,
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ARG_SCANBUS,
ARG_HELP = 'h',
ARG_FLAGS = 'f',
ARG_TYPE ='t',
ARG_STARTUP ='s',
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ARG_VERBOSE = 'v',
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ARG_GET = 'g',
ARG_PUT = 'p',
};
static struct option long_options[] =
{
{"help", 0, NULL, ARG_HELP },
{"flags", 1, NULL, ARG_FLAGS },
{"type", 1, NULL, ARG_TYPE },
{"startup", 0, NULL, ARG_STARTUP },
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{"scanbus", 0, NULL, ARG_SCANBUS },
{"verbose", 0, NULL, ARG_VERBOSE },
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{"get-driver", 1, NULL, ARG_GET },
{"put-driver", 1, NULL, ARG_PUT },
{NULL, 0, NULL, 0 },
};
static void usage(int argc, char** argv)
{
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fprintf(stderr, "Usage: %s [--verbose|-v] [--scanbus|<disk>]\n", argv[0]);
fprintf(stderr, "Usage: %s [--startup|--flags FLAGS][--type TYPE][--get-driver|-g FILE][--put-driver|-p FILE] [<partition>|<disk> <part number>]\n", argv[0]);
fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
}
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static int get_driver(emile_map_t *map, int partition, char* appledriver)
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{
int driver;
int block_size, block_count;
int driver_number;
int block, size, type, part;
int partition_base, partition_size;
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int bootstart, bootsize, bootaddr, bootentry, checksum;
char processor[16];
unsigned char *code;
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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);
printf("block size: %d\n", block_size);
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emile_map_get_partition_geometry(map, &partition_base, &partition_size);
printf("partition base: %d, size %d\n", partition_base, partition_size);
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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)
{
emile_map_read(map, part);
if (emile_is_apple_driver(map))
break;
}
part = emile_map_seek_driver_partition(map, block);
if (part == partition)
{
emile_map_read(map, part);
if (emile_is_apple_driver(map))
break;
}
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}
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: %d\n", block * block_size / 512,
size * block_size / 512 , type);
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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 = (unsigned char*)malloc(partition_size * 512);
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if (code == NULL)
{
fprintf(stderr, "ERROR: cannot malloc() to load driver in memory\n");
return -1;
}
fd = open(emile_map_dev(map), O_RDONLY);
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if (fd == -1)
{
fprintf(stderr, "ERROR: cannot read driver (open())\n");
free(code);
return -1;
}
if (lseek(fd, block * block_size,SEEK_SET) != (block * block_size))
{
fprintf(stderr, "ERROR: cannot read driver (lseek())\n");
free(code);
return -1;
}
ret = read(fd, code, bootsize);
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close(fd);
if (ret != bootsize)
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{
fprintf(stderr, "ERROR: cannot read driver (read())\n");
free(code);
return -1;
}
ret = emile_checksum(code, bootsize);
if (ret != checksum)
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fprintf(stderr, "WARNING: checksum is invalid (0x%x)\n",
ret);
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else
printf("Checksum OK\n");
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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);
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close(fd);
free(code);
if (ret != bootsize)
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{
fprintf(stderr, "ERROR: cannot save driver to %s\n",
appledriver);
return -1;
}
return 0;
}
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static int put_driver(emile_map_t *map, int partition, char* appledriver)
{
int block_size, block_count;
int fd;
int ret;
unsigned char* code;
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struct stat st;
int driver_number;
int block, count, checksum;
char part_name[16];
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);
/* read driver from file */
fd = open(appledriver, O_RDONLY);
if (fd == -1)
{
fprintf(stderr, "ERROR: cannot open file %s\n", appledriver);
return -1;
}
ret = fstat(fd, &st);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot stat file %s\n", appledriver);
return -1;
}
code = malloc(st.st_size);
if (code == NULL)
{
fprintf(stderr, "ERROR: cannot malloc %ld\n", st.st_size);
return -1;
}
ret = read(fd, code, st.st_size);
close(fd);
if (ret != st.st_size)
{
fprintf(stderr, "ERROR: cannot read file %s\n", appledriver);
return -1;
}
/* compute driver checksum */
checksum = emile_checksum(code, st.st_size);
printf("Driver checksum: 0x%x\n", checksum);
/* write file in partition */
sprintf(part_name, "%s%d", emile_map_dev(map), partition + 1);
fd = open(part_name, O_WRONLY);
if (fd == -1)
{
fprintf(stderr, "ERROR: cannot write driver (open())\n");
free(code);
return -1;
}
ret = write(fd, code, st.st_size);
close(fd);
free(code);
if (ret != st.st_size)
{
fprintf(stderr, "ERROR: cannot write driver (write())\n");
return -1;
}
/* set bootinfo */
emile_map_set_bootinfo(map, 0, st.st_size, 0, 0, checksum, "68000");
emile_map_partition_set_flags(map, 0x17F);
/* add driver in drivers list */
driver_number = emile_map_get_driver_number(map);
if (driver_number == -1)
{
fprintf(stderr, "ERROR: cannot read drivers number\n");
return -1;
}
ret = emile_map_get_partition_geometry(map, &block, &count);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot read partition geometry\n");
return -1;
}
ret = emile_map_set_driver_info(map, driver_number,
block / (block_size / 512) ,
count / (block_size / 512), 1);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot set driver info\n");
return -1;
}
ret = emile_map_set_driver_number(map, driver_number + 1);
if (driver_number == -1)
{
fprintf(stderr, "ERROR: cannot set drivers number\n");
return -1;
}
ret = emile_map_write(map, partition);
if (ret != partition)
{
fprintf(stderr, "ERROR: cannot set partition information\n");
return -1;
}
ret = emile_block0_write(map);
if (ret == -1)
{
fprintf(stderr, "ERROR: cannot set drivers information\n");
return -1;
}
return 0;
}
int main(int argc, char** argv)
{
emile_map_t *map;
int ret;
int disk;
int partition = 0;
char *disk_name;
char buffer[16];
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int driver;
int action = ACTION_NONE;
char *dev_name = NULL;
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char *appledriver = NULL;
int c;
int option_index;
int flags;
char *type;
while(1)
{
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c = getopt_long(argc, argv, "hvg:p:sf:t:", long_options,
&option_index);
if (c == -1)
break;
switch(c)
{
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case ARG_VERBOSE:
verbose++;
break;
case ARG_HELP:
usage(argc, argv);
return 0;
case ARG_FLAGS:
action |= ACTION_FLAGS;
flags = strtol(optarg, NULL, 0);
break;
case ARG_TYPE:
action |= ACTION_TYPE;
type = optarg;
break;
case ARG_STARTUP:
action |= ACTION_STARTUP;
break;
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case ARG_SCANBUS:
action |= ACTION_SCANBUS;
break;
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case ARG_GET:
action |= ACTION_GET;
appledriver = optarg;
break;
case ARG_PUT:
action |= ACTION_PUT;
appledriver = optarg;
break;
}
}
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if (optind < argc)
dev_name = argv[optind++];
if (optind < argc)
{
partition = strtol(argv[optind++], NULL, 0);
if (partition == 0)
{
fprintf(stderr,
"ERROR: partition number cannot be 0 !\n");
return 1;
}
}
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if ( !action && dev_name)
{
diskinfo(dev_name);
return 0;
}
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if (action & ACTION_SCANBUS) {
if (action & ~ACTION_SCANBUS) {
fprintf(stderr,
"ERROR: \"--scanbus\" cannot be used with other arguments\n");
return 1;
}
scanbus();
return 0;
}
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if ((action & ACTION_GET) && (action & ACTION_PUT)) {
fprintf(stderr, "You should use --get-driver OR --put-driver\n");
return 1;
}
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if (dev_name == NULL)
{
fprintf(stderr, "ERROR: you must specify a device\n");
return 1;
}
if (partition == 0)
ret = emile_scsi_get_rdev(dev_name, &driver, &disk, &partition);
else
ret = emile_scsi_get_rdev(dev_name, &driver, &disk, NULL);
if ( (ret == -1) && (optind < argc))
{
disk_name = dev_name;
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driver = 0;
disk = 0;
partition = atoi(argv[optind++]);
}
else if (ret == -1)
{
fprintf(stderr, "ERROR: cannot find disk of %s\n", dev_name);
return 1;
}
else
{
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emile_get_dev_name(buffer, driver, disk, 0);
disk_name = buffer;
}
if (partition == 0)
{
fprintf(stderr,
"ERROR: you must provide device of a partition\n");
return 1;
}
if (action & ACTION_STARTUP)
{
if (action & ~ACTION_STARTUP)
{
fprintf(stderr,
"ERROR: don't use --startup with other flags\n");
return 2;
}
ret = emile_map_set_startup(disk_name, partition - 1);
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if (ret == -1)
return 3;
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}
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;
}
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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) {
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fprintf(stderr,
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"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;
}
if (action & ACTION_PUT)
{
map = emile_map_open(disk_name, O_RDWR);
if (map == NULL)
{
fprintf(stderr, "ERROR: cannot open partition map\n");
return 4;
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}
if (appledriver == NULL) {
fprintf(stderr, "ERROR: filename missing\n");
emile_map_close(map);
return 6;
}
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ret = put_driver(map, partition - 1, appledriver);
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if (ret == -1) {
fprintf(stderr,
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"ERROR: cannot put driver to partition %d from file %s\n",
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partition, appledriver);
emile_map_close(map);
return 6;
}
emile_map_close(map);
return 0;
}
map = emile_map_open(disk_name, O_RDWR);
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 (action & ACTION_FLAGS)
{
emile_map_partition_set_flags(map, flags);
}
if (action & ACTION_TYPE)
{
ret = emile_map_set_partition_type(map, type);
if (ret == -1)
{
fprintf(stderr,
"ERROR: cannot set partition type to %s\n", type);
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return 7;
}
}
ret = emile_map_write(map, partition - 1);
if (ret != partition - 1)
{
fprintf(stderr,
"ERROR: cannot write partition %d info\n", partition);
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return 8;
}
emile_map_close(map);
return 0;
}