mirror of
https://github.com/vivier/EMILE.git
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534 lines
11 KiB
C
534 lines
11 KiB
C
/*
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*
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* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <string.h>
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#include <unistd.h>
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#include "libemile.h"
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int verbose = 0;
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extern void scanbus(void);
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enum {
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ACTION_NONE = 0x00,
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ACTION_FLAGS = 0x01,
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ACTION_TYPE = 0x02,
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ACTION_STARTUP = 0x04,
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ACTION_SCANBUS = 0x08,
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ACTION_GET = 0x10,
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ACTION_PUT = 0x20,
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};
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enum {
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ARG_NONE = 0,
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ARG_SCANBUS,
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ARG_HELP = 'h',
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ARG_FLAGS = 'f',
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ARG_TYPE ='t',
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ARG_STARTUP ='s',
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ARG_VERBOSE = 'v',
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ARG_GET = 'g',
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ARG_PUT = 'p',
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};
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static struct option long_options[] =
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{
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{"help", 0, NULL, ARG_HELP },
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{"flags", 1, NULL, ARG_FLAGS },
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{"type", 1, NULL, ARG_TYPE },
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{"startup", 0, NULL, ARG_STARTUP },
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{"scanbus", 0, NULL, ARG_SCANBUS },
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{"verbose", 0, NULL, ARG_VERBOSE },
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{"get-driver", 1, NULL, ARG_GET },
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{"put-driver", 1, NULL, ARG_PUT },
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{NULL, 0, NULL, 0 },
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};
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static void usage(int argc, char** argv)
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{
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fprintf(stderr, "Usage: %s [--verbose|-v]--scanbus\n", argv[0]);
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fprintf(stderr, "Usage: %s [--startup|--flags FLAGS][--type TYPE][--get-driver|-g FILE][--put-driver|-p FILE] <partition>\n", argv[0]);
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fprintf(stderr, "\nbuild: \n%s\n", SIGNATURE);
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}
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static int get_driver(emile_map_t *map, int partition, char* appledriver)
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{
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int driver;
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int block_size, block_count;
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int driver_number;
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int block, size, type, part;
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int bootstart, bootsize, bootaddr, bootentry, checksum;
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char processor[16];
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char *code;
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int fd;
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int ret;
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char part_name[16];
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emile_map_read(map, partition);
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if (strncmp(emile_map_get_partition_type(map),
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"Apple_Driver", strlen("Apple_Driver")) != 0)
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{
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fprintf(stderr,
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"ERROR: the type of the partition must begin with \"Apple_Driver\"\n");
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return -1;
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}
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if (strcmp(emile_map_get_partition_name(map), "Macintosh") != 0)
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{
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fprintf(stderr,
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"ERROR: the name of the partition must be \"Macintosh\"\n");
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return -1;
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}
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emile_map_geometry(map, &block_size, &block_count);
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driver_number = emile_map_get_driver_number(map);
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if (driver_number == 0)
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{
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fprintf(stderr, "ERROR: no driver on this device\n");
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return -1;
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}
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for (driver = 0; driver < driver_number; driver++)
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{
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emile_map_get_driver_info(map, driver, &block, &size, &type);
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part = emile_map_seek_driver_partition(map,
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block * block_size / 512 );
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if (part == partition)
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break;
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}
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if (part != partition)
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{
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fprintf(stderr,
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"ERROR: cannot find partition in driver table\n");
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return -1;
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}
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printf("Found driver %d for partition %d\n", driver, partition + 1);
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printf("base: %d size: %d type: 0x%x\n", block, size, type);
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emile_map_get_bootinfo(map, &bootstart, &bootsize, &bootaddr,
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&bootentry, &checksum, processor);
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printf("Bootstart: %d, Bootsize: %d, Bootaddr: %d, Bootentry: %d\n",
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bootstart, bootsize, bootaddr, bootentry);
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printf("Checksum: 0x%04x, Processor: %s\n", checksum, processor);
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if (strcmp(processor, "68000") != 0)
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{
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fprintf( stderr,
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"ERROR: cannot manage processor %s (not 68000)\n", processor);
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return -1;
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}
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code = (char*)malloc(bootsize);
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if (code == NULL)
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{
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fprintf(stderr, "ERROR: cannot malloc() to load driver in memory\n");
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return -1;
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}
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sprintf(part_name, "%s%d", emile_map_dev(map), partition + 1);
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fd = open(part_name, O_RDONLY);
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if (fd == -1)
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{
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fprintf(stderr, "ERROR: cannot read driver (open())\n");
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free(code);
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return -1;
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}
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ret = read(fd, code, bootsize);
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close(fd);
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if (ret != bootsize)
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{
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fprintf(stderr, "ERROR: cannot read driver (read())\n");
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free(code);
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return -1;
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}
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if (emile_checksum(code, bootsize) != checksum)
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fprintf(stderr, "WARNING: checksum is invalid (0x%x)\n",
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emile_checksum(code, bootsize));
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else
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printf("Checksum OK\n");
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fd = open(appledriver, O_WRONLY | O_CREAT | O_EXCL, S_IWUSR | S_IRUSR);
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if (fd == -1)
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{
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fprintf(stderr, "ERROR: cannot open %s to save driver\n",
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appledriver);
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free(code);
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return -1;
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}
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ret = write(fd, code, bootsize);
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close(fd);
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free(code);
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if (ret != bootsize)
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{
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fprintf(stderr, "ERROR: cannot save driver to %s\n",
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appledriver);
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return -1;
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}
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return 0;
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}
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static int put_driver(emile_map_t *map, int partition, char* appledriver)
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{
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int block_size, block_count;
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int fd;
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int ret;
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char* code;
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struct stat st;
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int driver_number;
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int block, count, checksum;
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char part_name[16];
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emile_map_read(map, partition);
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if (strncmp(emile_map_get_partition_type(map),
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"Apple_Driver", strlen("Apple_Driver")) != 0)
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{
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fprintf(stderr,
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"ERROR: the type of the partition must begin with \"Apple_Driver\"\n");
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return -1;
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}
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if (strcmp(emile_map_get_partition_name(map), "Macintosh") != 0)
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{
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fprintf(stderr,
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"ERROR: the name of the partition must be \"Macintosh\"\n");
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return -1;
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}
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emile_map_geometry(map, &block_size, &block_count);
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/* read driver from file */
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fd = open(appledriver, O_RDONLY);
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if (fd == -1)
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{
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fprintf(stderr, "ERROR: cannot open file %s\n", appledriver);
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return -1;
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}
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ret = fstat(fd, &st);
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if (ret == -1)
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{
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fprintf(stderr, "ERROR: cannot stat file %s\n", appledriver);
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return -1;
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}
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code = malloc(st.st_size);
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if (code == NULL)
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{
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fprintf(stderr, "ERROR: cannot malloc %ld\n", st.st_size);
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return -1;
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}
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ret = read(fd, code, st.st_size);
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close(fd);
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if (ret != st.st_size)
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{
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fprintf(stderr, "ERROR: cannot read file %s\n", appledriver);
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return -1;
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}
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/* compute driver checksum */
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checksum = emile_checksum(code, st.st_size);
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printf("Driver checksum: 0x%x\n", checksum);
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/* write file in partition */
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sprintf(part_name, "%s%d", emile_map_dev(map), partition + 1);
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fd = open(part_name, O_WRONLY);
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if (fd == -1)
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{
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fprintf(stderr, "ERROR: cannot write driver (open())\n");
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free(code);
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return -1;
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}
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ret = write(fd, code, st.st_size);
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close(fd);
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free(code);
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if (ret != st.st_size)
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{
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fprintf(stderr, "ERROR: cannot write driver (write())\n");
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return -1;
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}
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/* set bootinfo */
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emile_map_set_bootinfo(map, 0, st.st_size, 0, 0, checksum, "68000");
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emile_map_partition_set_flags(map, 0x17F);
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/* add driver in drivers list */
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driver_number = emile_map_get_driver_number(map);
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if (driver_number == -1)
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{
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fprintf(stderr, "ERROR: cannot read drivers number\n");
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return -1;
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}
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ret = emile_map_get_partition_geometry(map, &block, &count);
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if (ret == -1)
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{
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fprintf(stderr, "ERROR: cannot read partition geometry\n");
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return -1;
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}
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ret = emile_map_set_driver_info(map, driver_number,
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block / (block_size / 512) ,
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count / (block_size / 512), 1);
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if (ret == -1)
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{
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fprintf(stderr, "ERROR: cannot set driver info\n");
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return -1;
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}
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ret = emile_map_set_driver_number(map, driver_number + 1);
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if (driver_number == -1)
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{
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fprintf(stderr, "ERROR: cannot set drivers number\n");
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return -1;
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}
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ret = emile_map_write(map, partition);
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if (ret != partition)
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{
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fprintf(stderr, "ERROR: cannot set partition information\n");
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return -1;
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}
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ret = emile_block0_write(map);
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if (ret == -1)
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{
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fprintf(stderr, "ERROR: cannot set drivers information\n");
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return -1;
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}
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return 0;
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}
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int main(int argc, char** argv)
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{
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emile_map_t *map;
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int ret;
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int disk;
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int partition;
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char disk_name[16];
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char *driver;
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int action = ACTION_NONE;
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char *dev_name = NULL;
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char *appledriver = NULL;
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int c;
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int option_index;
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int flags;
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char *type;
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while(1)
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{
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c = getopt_long(argc, argv, "hvg:p:sf:t:", long_options,
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&option_index);
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if (c == -1)
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break;
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switch(c)
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{
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case ARG_VERBOSE:
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verbose++;
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break;
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case ARG_HELP:
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usage(argc, argv);
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return 0;
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case ARG_FLAGS:
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action |= ACTION_FLAGS;
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flags = strtol(optarg, NULL, 0);
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break;
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case ARG_TYPE:
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action |= ACTION_TYPE;
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type = optarg;
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break;
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case ARG_STARTUP:
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action |= ACTION_STARTUP;
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break;
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case ARG_SCANBUS:
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action |= ACTION_SCANBUS;
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break;
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case ARG_GET:
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action |= ACTION_GET;
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appledriver = optarg;
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break;
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case ARG_PUT:
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action |= ACTION_PUT;
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appledriver = optarg;
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break;
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}
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}
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if (action & ACTION_SCANBUS) {
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if (action & ~ACTION_SCANBUS) {
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fprintf(stderr,
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"ERROR: \"--scanbus\" cannot be used with other arguments\n");
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return 1;
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}
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scanbus();
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return 0;
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}
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if ((action & ACTION_GET) && (action & ACTION_PUT)) {
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fprintf(stderr, "You should use --get-driver OR --put-driver\n");
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return 1;
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}
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if (optind < argc)
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dev_name = argv[optind];
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if (dev_name == NULL)
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{
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fprintf(stderr, "ERROR: you must specify a device\n");
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return 1;
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}
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ret = emile_scsi_get_rdev(dev_name, &driver, &disk, &partition);
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if (ret == -1)
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{
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fprintf(stderr, "ERROR: cannot find disk of %s\n", dev_name);
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return 1;
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}
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if (partition == 0)
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{
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fprintf(stderr,
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"ERROR: you must provide device of a partition\n");
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return 1;
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}
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sprintf(disk_name, "%s%c", driver, 'a' + disk);
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if (action & ACTION_STARTUP)
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{
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if (action & ~ACTION_STARTUP)
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{
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fprintf(stderr,
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"ERROR: don't use --startup with other flags\n");
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return 2;
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}
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ret = emile_map_set_startup(disk_name, partition - 1);
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if (ret == -1)
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return 3;
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}
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if (action & ACTION_GET)
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{
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map = emile_map_open(disk_name, O_RDONLY);
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if (map == NULL)
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{
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fprintf(stderr, "ERROR: cannot open partition map\n");
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return 4;
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}
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if (appledriver == NULL) {
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fprintf(stderr, "ERROR: filename missing\n");
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emile_map_close(map);
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return 6;
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}
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ret = get_driver(map, partition - 1, appledriver);
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if (ret == -1) {
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fprintf(stderr,
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"ERROR: cannot put driver from partition %d to file %s\n",
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partition, appledriver);
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emile_map_close(map);
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return 6;
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}
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emile_map_close(map);
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return 0;
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}
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if (action & ACTION_PUT)
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{
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map = emile_map_open(disk_name, O_RDWR);
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if (map == NULL)
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{
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fprintf(stderr, "ERROR: cannot open partition map\n");
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return 4;
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}
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if (appledriver == NULL) {
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fprintf(stderr, "ERROR: filename missing\n");
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emile_map_close(map);
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return 6;
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}
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ret = put_driver(map, partition - 1, appledriver);
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if (ret == -1) {
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fprintf(stderr,
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"ERROR: cannot put driver to partition %d from file %s\n",
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partition, appledriver);
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emile_map_close(map);
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return 6;
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}
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emile_map_close(map);
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return 0;
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}
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map = emile_map_open(disk_name, O_RDWR);
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if (map == NULL)
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{
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fprintf(stderr, "ERROR: cannot open partition map\n");
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return 4;
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}
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ret = emile_map_read(map, partition - 1);
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if (ret != partition - 1)
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{
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fprintf(stderr,
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"ERROR: cannot read partition %d info\n", partition);
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return 5;
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}
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if (action & ACTION_FLAGS)
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{
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emile_map_partition_set_flags(map, flags);
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}
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if (action & ACTION_TYPE)
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{
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ret = emile_map_set_partition_type(map, type);
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if (ret == -1)
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{
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fprintf(stderr,
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"ERROR: cannot set partition type to %s\n", type);
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return 7;
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}
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}
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ret = emile_map_write(map, partition - 1);
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if (ret != partition - 1)
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{
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fprintf(stderr,
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"ERROR: cannot write partition %d info\n", partition);
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return 8;
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}
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emile_map_close(map);
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return 0;
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}
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