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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:16 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:16 -0800
commit82ea7a177797b844b252effea5c7c7c5d63ea4ac (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /emulator/mksdcard
parentc9432be76d50a527da232d518f633add2f76242b (diff)
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'emulator/mksdcard')
-rw-r--r--emulator/mksdcard/Android.mk11
-rw-r--r--emulator/mksdcard/mksdcard.c304
-rw-r--r--emulator/mksdcard/vfat-empty-32MB.img.gzbin32807 -> 0 bytes
3 files changed, 0 insertions, 315 deletions
diff --git a/emulator/mksdcard/Android.mk b/emulator/mksdcard/Android.mk
deleted file mode 100644
index a5641b4..0000000
--- a/emulator/mksdcard/Android.mk
+++ /dev/null
@@ -1,11 +0,0 @@
-# Copyright 2006 The Android Open Source Project
-
-LOCAL_PATH:= $(call my-dir)
-
-# host executable
-#
-include $(CLEAR_VARS)
-LOCAL_SRC_FILES:= mksdcard.c
-LOCAL_MODULE = mksdcard
-include $(BUILD_HOST_EXECUTABLE)
-
diff --git a/emulator/mksdcard/mksdcard.c b/emulator/mksdcard/mksdcard.c
deleted file mode 100644
index c85d0f8..0000000
--- a/emulator/mksdcard/mksdcard.c
+++ /dev/null
@@ -1,304 +0,0 @@
-/* mksdcard.c
-**
-** Copyright 2007, The Android Open Source Project
-**
-** Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in the
-** documentation and/or other materials provided with the distribution.
-** * Neither the name of Google Inc. nor the names of its contributors may
-** be used to endorse or promote products derived from this software
-** without specific prior written permission.
-**
-** THIS SOFTWARE IS PROVIDED BY Google Inc. ``AS IS'' AND ANY EXPRESS OR
-** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
-** EVENT SHALL Google Inc. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
-** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
-** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
-** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/* a simple and portable program used to generate a blank FAT32 image file
- *
- * usage: mksdcard [-l label] <size> <filename>
- */
-
-#include <time.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-
-/* believe me, you *don't* want to change these constants !! */
-#define BYTES_PER_SECTOR 512
-#define RESERVED_SECTORS 32
-#define BACKUP_BOOT_SECTOR 6
-#define NUM_FATS 2
-
-typedef long long Wide; /* might be something else if you don't use GCC */
-typedef unsigned char Byte;
-typedef Byte* Bytes;
-
-#define BYTE_(p,i) (((Bytes)(p))[(i)])
-
-#define POKEB(p,v) BYTE_(p,0) = (Byte)(v)
-#define POKES(p,v) ( BYTE_(p,0) = (Byte)(v), BYTE_(p,1) = (Byte)((v) >> 8) )
-#define POKEW(p,v) ( BYTE_(p,0) = (Byte)(v), BYTE_(p,1) = (Byte)((v) >> 8), BYTE_(p,2) = (Byte)((v) >> 16), BYTE_(p,3) = (Byte)((v) >> 24) )
-
-static Byte s_boot_sector [ BYTES_PER_SECTOR ]; /* boot sector */
-static Byte s_fsinfo_sector [ BYTES_PER_SECTOR ]; /* FS Info sector */
-static Byte s_fat_head [ BYTES_PER_SECTOR ]; /* first FAT sector */
-static Byte s_zero_sector [ BYTES_PER_SECTOR ]; /* empty sector */
-
-/* this is the date and time when creating the disk */
-static int
-get_serial_id( void )
-{
- unsigned short lo, hi, mid;
- time_t now = time(NULL);
- struct tm tm = gmtime( &now )[0];
-
- lo = (unsigned short)(tm.tm_mday + ((tm.tm_mon+1) << 8) + (tm.tm_sec << 8));
- hi = (unsigned short)(tm.tm_min + (tm.tm_hour << 8) + (tm.tm_year + 1900));
-
- return lo + (hi << 16);
-}
-
-static int
-get_sectors_per_cluster( Wide disk_size )
-{
- Wide disk_MB = disk_size/(1024*1024);
-
- if (disk_MB < 260)
- return 1;
-
- if (disk_MB < 8192)
- return 4;
-
- if (disk_MB < 16384)
- return 8;
-
- if (disk_MB < 32768)
- return 16;
-
- return 32;
-}
-
-static int
-get_sectors_per_fat( Wide disk_size, int sectors_per_cluster )
-{
- Wide divider;
-
- /* weird computation from MS - see fatgen103.doc for details */
- disk_size -= RESERVED_SECTORS * BYTES_PER_SECTOR; /* don't count 32 reserved sectors */
- disk_size /= BYTES_PER_SECTOR; /* disk size in sectors */
- divider = ((256 * sectors_per_cluster) + NUM_FATS) / 2;
-
- return (int)( (disk_size + (divider-1)) / divider );
-}
-
-static void
-boot_sector_init( Bytes boot, Bytes info, Wide disk_size, const char* label )
-{
- int sectors_per_cluster = get_sectors_per_cluster(disk_size);
- int sectors_per_fat = get_sectors_per_fat(disk_size, sectors_per_cluster);
- int sectors_per_disk = (int)(disk_size / BYTES_PER_SECTOR);
- int serial_id = get_serial_id();
- int free_count;
-
- if (label == NULL)
- label = "SDCARD";
-
- POKEB(boot, 0xeb);
- POKEB(boot+1, 0x5a);
- POKEB(boot+2, 0x90);
- strcpy( (char*)boot + 3, "MSWIN4.1" );
- POKES( boot + 0x0b, BYTES_PER_SECTOR ); /* sector size */
- POKEB( boot + 0xd, sectors_per_cluster ); /* sectors per cluster */
- POKES( boot + 0xe, RESERVED_SECTORS ); /* reserved sectors before first FAT */
- POKEB( boot + 0x10, NUM_FATS ); /* number of FATs */
- POKES( boot + 0x11, 0 ); /* max root directory entries for FAT12/FAT16, 0 for FAT32 */
- POKES( boot + 0x13, 0 ); /* total sectors, 0 to use 32-bit value at offset 0x20 */
- POKEB( boot + 0x15, 0xF8 ); /* media descriptor, 0xF8 == hard disk */
- POKES( boot + 0x16, 0 ); /* Sectors per FAT for FAT12/16, 0 for FAT32 */
- POKES( boot + 0x18, 9 ); /* Sectors per track (whatever) */
- POKES( boot + 0x1a, 2 ); /* Number of heads (whatever) */
- POKEW( boot + 0x1c, 0 ); /* Hidden sectors */
- POKEW( boot + 0x20, sectors_per_disk ); /* Total sectors */
-
- /* extension */
- POKEW( boot + 0x24, sectors_per_fat ); /* Sectors per FAT */
- POKES( boot + 0x28, 0 ); /* FAT flags */
- POKES( boot + 0x2a, 0 ); /* version */
- POKEW( boot + 0x2c, 2 ); /* cluster number of root directory start */
- POKES( boot + 0x30, 1 ); /* sector number of FS information sector */
- POKES( boot + 0x32, BACKUP_BOOT_SECTOR ); /* sector number of a copy of this boot sector */
- POKEB( boot + 0x40, 0x80 ); /* physical drive number */
- POKEB( boot + 0x42, 0x29 ); /* extended boot signature ?? */
- POKEW( boot + 0x43, serial_id ); /* serial ID */
- strncpy( (char*)boot + 0x47, label, 11 ); /* Volume Label */
- memcpy( boot + 0x52, "FAT32 ", 8 ); /* FAT system type, padded with 0x20 */
-
- POKEB( boot + BYTES_PER_SECTOR-2, 0x55 ); /* boot sector signature */
- POKEB( boot + BYTES_PER_SECTOR-1, 0xAA );
-
- /* FSInfo sector */
- free_count = sectors_per_disk - 32 - 2*sectors_per_fat;
-
- POKEW( info + 0, 0x41615252 );
- POKEW( info + 484, 0x61417272 );
- POKEW( info + 488, free_count ); /* number of free clusters */
- POKEW( info + 492, 3 ); /* next free clusters, 0-1 reserved, 2 is used for the root dir */
- POKEW( info + 508, 0xAA550000 );
-}
-
-static void
-fat_init( Bytes fat )
-{
- POKEW( fat, 0x0ffffff8 ); /* reserve cluster 1, media id in low byte */
- POKEW( fat + 4, 0x0fffffff ); /* reserve cluster 2 */
- POKEW( fat + 8, 0x0fffffff ); /* end of clust chain for root dir */
-}
-
-
-static int
-write_sector( FILE* file, Bytes sector )
-{
- return fwrite( sector, 1, 512, file ) != 512;
-}
-
-static int
-write_empty( FILE* file, Wide count )
-{
- static Byte empty[64*1024];
-
- count *= 512;
- while (count > 0) {
- int len = sizeof(empty);
- if (len > count)
- len = count;
-
- if ( fwrite( empty, 1, len, file ) != (size_t)len )
- return 1;
-
- count -= len;
- }
- return 0;
-}
-
-static void usage (void)
-{
- fprintf(stderr, "mksdcard: create a blank FAT32 image to be used with the Android emulator\n" );
- fprintf(stderr, "usage: mksdcard [-l label] <size> <file>\n\n");
- fprintf(stderr, " if <size> is a simple integer, it specifies a size in bytes\n" );
- fprintf(stderr, " if <size> is an integer followed by 'K', it specifies a size in KiB\n" );
- fprintf(stderr, " if <size> is an integer followed by 'M', it specifies a size in MiB\n" );
- exit(1);
-}
-
-int main( int argc, char** argv )
-{
- Wide disk_size;
- int sectors_per_fat;
- int sectors_per_disk;
- char* end;
- const char* label = NULL;
- FILE* f;
-
- for ( ; argc > 1 && argv[1][0] == '-'; argc--, argv++ )
- {
- char* arg = argv[1] + 1;
- switch (arg[0]) {
- case 'l':
- if (arg[1] != 0)
- arg += 2;
- else {
- argc--;
- argv++;
- if (argc <= 1)
- usage();
- arg = argv[1];
- }
- label = arg;
- break;
-
- default:
- usage();
- }
- }
-
- if (argc != 3)
- usage();
-
- disk_size = strtol( argv[1], &end, 10 );
- if (disk_size == 0 && errno == EINVAL)
- usage();
-
- if (*end == 'K')
- disk_size *= 1024;
- else if (*end == 'M')
- disk_size *= 1024*1024;
-
- if (disk_size < 8*1024*1024)
- fprintf(stderr, "### WARNING : SD Card images < 8 MB cannot be used with the Android emulator\n");
-
- sectors_per_disk = disk_size / 512;
- sectors_per_fat = get_sectors_per_fat( disk_size, get_sectors_per_cluster( disk_size ) );
-
- boot_sector_init( s_boot_sector, s_fsinfo_sector, disk_size, NULL );
- fat_init( s_fat_head );
-
- f = fopen( argv[2], "wb" );
- if ( !f ) {
- fprintf(stderr, "could not create file '%s', aborting...\n", argv[2] );
- }
-
- /* here's the layout:
- *
- * boot_sector
- * fsinfo_sector
- * empty
- * backup boot sector
- * backup fsinfo sector
- * RESERVED_SECTORS - 4 empty sectors (if backup sectors), or RESERVED_SECTORS - 2 (if no backup)
- * first fat
- * second fat
- * zero sectors
- */
-
- if ( write_sector( f, s_boot_sector ) ) goto FailWrite;
- if ( write_sector( f, s_fsinfo_sector ) ) goto FailWrite;
- if ( BACKUP_BOOT_SECTOR > 0 ) {
- if ( write_empty( f, BACKUP_BOOT_SECTOR - 2 ) ) goto FailWrite;
- if ( write_sector( f, s_boot_sector ) ) goto FailWrite;
- if ( write_sector( f, s_fsinfo_sector ) ) goto FailWrite;
- if ( write_empty( f, RESERVED_SECTORS - 2 - BACKUP_BOOT_SECTOR ) ) goto FailWrite;
- }
- else
- if ( write_empty( f, RESERVED_SECTORS - 2 ) ) goto FailWrite;
-
- if ( write_sector( f, s_fat_head ) ) goto FailWrite;
- if ( write_empty( f, sectors_per_fat-1 ) ) goto FailWrite;
-
- if ( write_sector( f, s_fat_head ) ) goto FailWrite;
- if ( write_empty( f, sectors_per_fat-1 ) ) goto FailWrite;
-
- if ( write_empty( f, sectors_per_disk - RESERVED_SECTORS - 2*sectors_per_fat ) ) goto FailWrite;
-
- fclose(f);
- return 0;
-
-FailWrite:
- fprintf(stderr, "could not write to '%s', aborting...\n", argv[2] );
- unlink( argv[2] );
- fclose(f);
- return 1;
-}
diff --git a/emulator/mksdcard/vfat-empty-32MB.img.gz b/emulator/mksdcard/vfat-empty-32MB.img.gz
deleted file mode 100644
index b205da3..0000000
--- a/emulator/mksdcard/vfat-empty-32MB.img.gz
+++ /dev/null
Binary files differ