Support for modifying the firmware partition on Macpods (useful for IPL users), along with the addition of a big warning when ipodpatcher detects a Macpod to say that Rockbox won't work on it.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12209 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman
parent
d442cbeab8
commit
6e641e81ed
2 changed files with 117 additions and 30 deletions
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@ -54,7 +54,7 @@ struct ipod_directory_t {
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struct partinfo_t {
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unsigned long start; /* first sector (LBA) */
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unsigned long size; /* number of sectors */
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unsigned char type;
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int type;
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};
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struct ipod_t {
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@ -70,6 +70,7 @@ struct ipod_t {
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int modelnum;
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char* modelname;
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char* modelstr;
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int macpod;
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};
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void print_error(char* msg);
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@ -29,7 +29,7 @@
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#include "parttypes.h"
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#include "ipodio.h"
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#define VERSION "0.6"
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#define VERSION "0.7svn"
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int verbose = 0;
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@ -66,6 +66,10 @@ char* get_parttype(int pt)
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int i;
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static char unknown[]="Unknown";
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if (pt == -1) {
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return "HFS/HFS+";
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}
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i=0;
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while (parttypes[i].name != NULL) {
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if (parttypes[i].type == pt) {
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@ -167,7 +171,6 @@ void display_partinfo(struct ipod_t* ipod)
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}
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}
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int read_partinfo(struct ipod_t* ipod, int silent)
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{
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int i;
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@ -180,32 +183,95 @@ int read_partinfo(struct ipod_t* ipod, int silent)
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return -1;
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}
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/* check that the boot sector is initialized */
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if ( (sectorbuf[510] != 0x55) ||
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(sectorbuf[511] != 0xaa)) {
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if ((sectorbuf[510] == 0x55) && (sectorbuf[511] == 0xaa)) {
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/* DOS partition table */
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if ((memcmp(§orbuf[71],"iPod",4) != 0) &&
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(memcmp(§orbuf[0x40],"This is your Apple iPod. You probably do not want to boot from it!",66) != 0) ) {
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if (!silent) fprintf(stderr,"[ERR] Drive is not an iPod, aborting\n");
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return -1;
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}
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ipod->macpod = 0;
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/* parse partitions */
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for ( i = 0; i < 4; i++ ) {
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unsigned char* ptr = sectorbuf + 0x1be + 16*i;
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ipod->pinfo[i].type = ptr[4];
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ipod->pinfo[i].start = BYTES2INT32(ptr, 8);
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ipod->pinfo[i].size = BYTES2INT32(ptr, 12);
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/* extended? */
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if ( ipod->pinfo[i].type == 5 ) {
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/* not handled yet */
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}
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}
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} else if ((sectorbuf[0] == 'E') && (sectorbuf[1] == 'R')) {
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/* Apple Partition Map */
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/* APM parsing code based on the check_mac_partitions() function in
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ipodloader2 - written by Thomas Tempelmann and released
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under the GPL. */
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int blkNo = 1;
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int partBlkCount = 1;
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int partBlkSizMul = sectorbuf[2] / 2;
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int pmMapBlkCnt; /* # of blks in partition map */
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int pmPyPartStart; /* physical start blk of partition */
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int pmPartBlkCnt; /* # of blks in this partition */
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int i = 0;
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ipod->macpod = 1;
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memset(ipod->pinfo,0,sizeof(ipod->pinfo));
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while (blkNo <= partBlkCount) {
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if (ipod_seek(ipod, blkNo * partBlkSizMul * 512) < 0) {
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fprintf(stderr,"[ERR] Seek failed whilst reading APM\n");
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return -1;
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}
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count = ipod_read(ipod, sectorbuf, ipod->sector_size);
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if (count <= 0) {
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print_error(" Error reading from disk: ");
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return -1;
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}
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/* see if it's a partition entry */
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if ((sectorbuf[0] != 'P') || (sectorbuf[1] != 'M')) {
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/* end of partition table -> leave the loop */
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break;
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}
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/* Extract the interesting entries */
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pmMapBlkCnt = be2int(sectorbuf + 4);
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pmPyPartStart = be2int(sectorbuf + 8);
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pmPartBlkCnt = be2int(sectorbuf + 12);
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/* update the number of part map blocks */
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partBlkCount = pmMapBlkCnt;
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if (strncmp((char*)(sectorbuf + 48), "Apple_MDFW", 32)==0) {
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/* A Firmware partition */
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ipod->pinfo[i].start = pmPyPartStart;
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ipod->pinfo[i].size = pmPartBlkCnt;
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ipod->pinfo[i].type = 0;
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i++;
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} else if (strncmp((char*)(sectorbuf + 48), "Apple_HFS", 32)==0) {
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/* A HFS partition */
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ipod->pinfo[i].start = pmPyPartStart;
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ipod->pinfo[i].size = pmPartBlkCnt;
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ipod->pinfo[i].type = -1;
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i++;
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}
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blkNo++; /* read next partition map entry */
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}
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} else {
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if (!silent) fprintf(stderr,"[ERR] Bad boot sector signature\n");
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return -1;
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}
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if ((memcmp(§orbuf[71],"iPod",4) != 0) &&
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(memcmp(§orbuf[0x40],"This is your Apple iPod. You probably do not want to boot from it!",66) != 0) ) {
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if (!silent) fprintf(stderr,"[ERR] Drive is not an iPod, aborting\n");
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return -1;
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}
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/* parse partitions */
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for ( i = 0; i < 4; i++ ) {
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unsigned char* ptr = sectorbuf + 0x1be + 16*i;
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ipod->pinfo[i].type = ptr[4];
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ipod->pinfo[i].start = BYTES2INT32(ptr, 8);
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ipod->pinfo[i].size = BYTES2INT32(ptr, 12);
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/* extended? */
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if ( ipod->pinfo[i].type == 5 ) {
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/* not handled yet */
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}
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}
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ipod->start = ipod->pinfo[0].start*ipod->sector_size;
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return 0;
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}
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@ -321,8 +387,18 @@ int write_partition(struct ipod_t* ipod, int infile)
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return 0;
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}
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void print_macpod_warning(void)
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{
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printf("[INFO] ************************************************************************\n");
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printf("[INFO] *** WARNING FOR ROCKBOX USERS\n");
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printf("[INFO] *** You must convert this ipod to FAT32 format (aka a \"winpod\")\n");
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printf("[INFO] *** if you want to run Rockbox. Rockbox WILL NOT work on this ipod.\n");
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printf("[INFO] *** See http://www.rockbox.org/twiki/bin/view/Main/IpodConversionToFAT32\n");
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printf("[INFO] ************************************************************************\n");
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}
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void print_usage(void) {
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void print_usage(void)
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{
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fprintf(stderr,"Usage: ipodpatcher --scan\n");
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#ifdef __WIN32__
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fprintf(stderr," or ipodpatcher DISKNO [action]\n");
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@ -1140,7 +1216,7 @@ int ipod_scan(struct ipod_t* ipod)
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printf("[INFO] Scanning disk devices...\n");
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for (i = 0; i < 25 ; i++) {
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for (i = 0; i <= 25 ; i++) {
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#ifdef __WIN32__
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sprintf(ipod->diskname,"\\\\.\\PhysicalDrive%d",i);
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#elif defined(linux) || defined (__linux)
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@ -1175,10 +1251,15 @@ int ipod_scan(struct ipod_t* ipod)
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}
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#ifdef __WIN32__
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printf("[INFO] Ipod found - %s - disk device %d\n", ipod->modelstr,i);
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printf("[INFO] Ipod found - %s (\"%s\") - disk device %d\n",
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ipod->modelstr,ipod->macpod ? "macpod" : "winpod",i);
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#else
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printf("[INFO] Ipod found - %s - %s\n", ipod->modelstr, ipod->diskname);
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printf("[INFO] Ipod found - %s (\"%s\") - %s\n",
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ipod->modelstr,ipod->macpod ? "macpod" : "winpod",ipod->diskname);
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#endif
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if (ipod->macpod) {
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print_macpod_warning();
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}
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n++;
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}
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@ -1334,7 +1415,12 @@ int main(int argc, char* argv[])
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return -1;
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}
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printf("[INFO] Ipod model: %s\n",ipod.modelstr);
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printf("[INFO] Ipod model: %s (\"%s\")\n",ipod.modelstr,
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ipod.macpod ? "macpod" : "winpod");
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if (ipod.macpod) {
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print_macpod_warning();
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}
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if (action==LIST_IMAGES) {
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list_images(&ipod);
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