diff options
author | 2017-05-23 17:55:06 +0000 | |
---|---|---|
committer | 2017-05-23 17:55:06 +0000 | |
commit | 0f6296e038b5c299654d596026e7bee5aa723e56 (patch) | |
tree | a51b545d58c8128abfd6caa9ca43d32343011f62 /qemu/hw/block/cdrom.c | |
parent | c4d68bc45aa6aa8b7fe39bce206cb17c2cb2d365 (diff) | |
parent | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (diff) |
Merge "Adding qemu as a submodule of KVMFORNFV"
Diffstat (limited to 'qemu/hw/block/cdrom.c')
-rw-r--r-- | qemu/hw/block/cdrom.c | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/qemu/hw/block/cdrom.c b/qemu/hw/block/cdrom.c deleted file mode 100644 index da937fe33..000000000 --- a/qemu/hw/block/cdrom.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - * QEMU ATAPI CD-ROM Emulator - * - * Copyright (c) 2006 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -/* ??? Most of the ATAPI emulation is still in ide.c. It should be moved - here. */ - -#include "qemu/osdep.h" -#include "qemu-common.h" -#include "hw/scsi/scsi.h" - -static void lba_to_msf(uint8_t *buf, int lba) -{ - lba += 150; - buf[0] = (lba / 75) / 60; - buf[1] = (lba / 75) % 60; - buf[2] = lba % 75; -} - -/* same toc as bochs. Return -1 if error or the toc length */ -/* XXX: check this */ -int cdrom_read_toc(int nb_sectors, uint8_t *buf, int msf, int start_track) -{ - uint8_t *q; - int len; - - if (start_track > 1 && start_track != 0xaa) - return -1; - q = buf + 2; - *q++ = 1; /* first session */ - *q++ = 1; /* last session */ - if (start_track <= 1) { - *q++ = 0; /* reserved */ - *q++ = 0x14; /* ADR, control */ - *q++ = 1; /* track number */ - *q++ = 0; /* reserved */ - if (msf) { - *q++ = 0; /* reserved */ - lba_to_msf(q, 0); - q += 3; - } else { - /* sector 0 */ - stl_be_p(q, 0); - q += 4; - } - } - /* lead out track */ - *q++ = 0; /* reserved */ - *q++ = 0x16; /* ADR, control */ - *q++ = 0xaa; /* track number */ - *q++ = 0; /* reserved */ - if (msf) { - *q++ = 0; /* reserved */ - lba_to_msf(q, nb_sectors); - q += 3; - } else { - stl_be_p(q, nb_sectors); - q += 4; - } - len = q - buf; - stw_be_p(buf, len - 2); - return len; -} - -/* mostly same info as PearPc */ -int cdrom_read_toc_raw(int nb_sectors, uint8_t *buf, int msf, int session_num) -{ - uint8_t *q; - int len; - - q = buf + 2; - *q++ = 1; /* first session */ - *q++ = 1; /* last session */ - - *q++ = 1; /* session number */ - *q++ = 0x14; /* data track */ - *q++ = 0; /* track number */ - *q++ = 0xa0; /* lead-in */ - *q++ = 0; /* min */ - *q++ = 0; /* sec */ - *q++ = 0; /* frame */ - *q++ = 0; - *q++ = 1; /* first track */ - *q++ = 0x00; /* disk type */ - *q++ = 0x00; - - *q++ = 1; /* session number */ - *q++ = 0x14; /* data track */ - *q++ = 0; /* track number */ - *q++ = 0xa1; - *q++ = 0; /* min */ - *q++ = 0; /* sec */ - *q++ = 0; /* frame */ - *q++ = 0; - *q++ = 1; /* last track */ - *q++ = 0x00; - *q++ = 0x00; - - *q++ = 1; /* session number */ - *q++ = 0x14; /* data track */ - *q++ = 0; /* track number */ - *q++ = 0xa2; /* lead-out */ - *q++ = 0; /* min */ - *q++ = 0; /* sec */ - *q++ = 0; /* frame */ - if (msf) { - *q++ = 0; /* reserved */ - lba_to_msf(q, nb_sectors); - q += 3; - } else { - stl_be_p(q, nb_sectors); - q += 4; - } - - *q++ = 1; /* session number */ - *q++ = 0x14; /* ADR, control */ - *q++ = 0; /* track number */ - *q++ = 1; /* point */ - *q++ = 0; /* min */ - *q++ = 0; /* sec */ - *q++ = 0; /* frame */ - if (msf) { - *q++ = 0; - lba_to_msf(q, 0); - q += 3; - } else { - *q++ = 0; - *q++ = 0; - *q++ = 0; - *q++ = 0; - } - - len = q - buf; - stw_be_p(buf, len - 2); - return len; -} |