Converted system BIOS to Watcom C.

svn:sync-xref-src-repo-rev: r73938

Author: MichalN-O

src/VBox/Devices/PC/BIOS-new/ata.c

@@ -0,0 +1,237 @@
+/*
+ * Copyright (C) 2006-2011 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ * --------------------------------------------------------------------
+ *
+ * This code is based on:
+ *
+ *  ROM BIOS for use with Bochs/Plex86/QEMU emulation environment
+ *
+ *  Copyright (C) 2002  MandrakeSoft S.A.
+ *
+ *    MandrakeSoft S.A.
+ *    43, rue d'Aboukir
+ *    75002 Paris - France
+ *    http://www.linux-mandrake.com/
+ *    http://www.mandrakesoft.com/
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ */
+
+
+#define ATA_DATA_NO      0x00
+#define ATA_DATA_IN      0x01
+#define ATA_DATA_OUT     0x02
+
+#define ATA_TRANSLATION_NONE  0
+#define ATA_TRANSLATION_LBA   1
+#define ATA_TRANSLATION_LARGE 2
+#define ATA_TRANSLATION_RECHS 3
+
+#define ATA_IFACE_NONE    0x00
+#define ATA_IFACE_ISA     0x00
+#define ATA_IFACE_PCI     0x01
+
+#define ATA_MODE_NONE    0x00
+#define ATA_MODE_PIO16   0x00
+#define ATA_MODE_PIO32   0x01
+#define ATA_MODE_ISADMA  0x02
+#define ATA_MODE_PCIDMA  0x03
+#define ATA_MODE_USEIRQ  0x10
+
+//@todo: this should be elsewhere, since it's not in fact ATA specific!
+#define ATA_TYPE_NONE     0x00
+#define ATA_TYPE_UNKNOWN  0x01
+#define ATA_TYPE_ATA      0x02
+#define ATA_TYPE_ATAPI    0x03
+#define ATA_TYPE_SCSI     0x04 // SCSI disk
+
+#define ATA_DEVICE_NONE  0x00
+#define ATA_DEVICE_HD    0xFF
+#define ATA_DEVICE_CDROM 0x05
+
+
+// Global defines -- ATA register and register bits.
+// command block & control block regs
+#define ATA_CB_DATA  0   // data reg         in/out pio_base_addr1+0
+#define ATA_CB_ERR   1   // error            in     pio_base_addr1+1
+#define ATA_CB_FR    1   // feature reg         out pio_base_addr1+1
+#define ATA_CB_SC    2   // sector count     in/out pio_base_addr1+2
+#define ATA_CB_SN    3   // sector number    in/out pio_base_addr1+3
+#define ATA_CB_CL    4   // cylinder low     in/out pio_base_addr1+4
+#define ATA_CB_CH    5   // cylinder high    in/out pio_base_addr1+5
+#define ATA_CB_DH    6   // device head      in/out pio_base_addr1+6
+#define ATA_CB_STAT  7   // primary status   in     pio_base_addr1+7
+#define ATA_CB_CMD   7   // command             out pio_base_addr1+7
+#define ATA_CB_ASTAT 6   // alternate status in     pio_base_addr2+6
+#define ATA_CB_DC    6   // device control      out pio_base_addr2+6
+#define ATA_CB_DA    7   // device address   in     pio_base_addr2+7
+
+#define ATA_CB_ER_ICRC 0x80    // ATA Ultra DMA bad CRC
+#define ATA_CB_ER_BBK  0x80    // ATA bad block
+#define ATA_CB_ER_UNC  0x40    // ATA uncorrected error
+#define ATA_CB_ER_MC   0x20    // ATA media change
+#define ATA_CB_ER_IDNF 0x10    // ATA id not found
+#define ATA_CB_ER_MCR  0x08    // ATA media change request
+#define ATA_CB_ER_ABRT 0x04    // ATA command aborted
+#define ATA_CB_ER_NTK0 0x02    // ATA track 0 not found
+#define ATA_CB_ER_NDAM 0x01    // ATA address mark not found
+
+#define ATA_CB_ER_P_SNSKEY 0xf0   // ATAPI sense key (mask)
+#define ATA_CB_ER_P_MCR    0x08   // ATAPI Media Change Request
+#define ATA_CB_ER_P_ABRT   0x04   // ATAPI command abort
+#define ATA_CB_ER_P_EOM    0x02   // ATAPI End of Media
+#define ATA_CB_ER_P_ILI    0x01   // ATAPI Illegal Length Indication
+
+// ATAPI Interrupt Reason bits in the Sector Count reg (CB_SC)
+#define ATA_CB_SC_P_TAG    0xf8   // ATAPI tag (mask)
+#define ATA_CB_SC_P_REL    0x04   // ATAPI release
+#define ATA_CB_SC_P_IO     0x02   // ATAPI I/O
+#define ATA_CB_SC_P_CD     0x01   // ATAPI C/D
+
+// bits 7-4 of the device/head (CB_DH) reg
+#define ATA_CB_DH_DEV0 0xa0    // select device 0
+#define ATA_CB_DH_DEV1 0xb0    // select device 1
+
+// status reg (CB_STAT and CB_ASTAT) bits
+#define ATA_CB_STAT_BSY  0x80  // busy
+#define ATA_CB_STAT_RDY  0x40  // ready
+#define ATA_CB_STAT_DF   0x20  // device fault
+#define ATA_CB_STAT_WFT  0x20  // write fault (old name)
+#define ATA_CB_STAT_SKC  0x10  // seek complete
+#define ATA_CB_STAT_SERV 0x10  // service
+#define ATA_CB_STAT_DRQ  0x08  // data request
+#define ATA_CB_STAT_CORR 0x04  // corrected
+#define ATA_CB_STAT_IDX  0x02  // index
+#define ATA_CB_STAT_ERR  0x01  // error (ATA)
+#define ATA_CB_STAT_CHK  0x01  // check (ATAPI)
+
+// device control reg (CB_DC) bits
+#define ATA_CB_DC_HD15   0x08  // bit should always be set to one
+#define ATA_CB_DC_SRST   0x04  // soft reset
+#define ATA_CB_DC_NIEN   0x02  // disable interrupts
+
+// Most mandatory and optional ATA commands (from ATA-3),
+#define ATA_CMD_CFA_ERASE_SECTORS            0xC0
+#define ATA_CMD_CFA_REQUEST_EXT_ERR_CODE     0x03
+#define ATA_CMD_CFA_TRANSLATE_SECTOR         0x87
+#define ATA_CMD_CFA_WRITE_MULTIPLE_WO_ERASE  0xCD
+#define ATA_CMD_CFA_WRITE_SECTORS_WO_ERASE   0x38
+#define ATA_CMD_CHECK_POWER_MODE1            0xE5
+#define ATA_CMD_CHECK_POWER_MODE2            0x98
+#define ATA_CMD_DEVICE_RESET                 0x08
+#define ATA_CMD_EXECUTE_DEVICE_DIAGNOSTIC    0x90
+#define ATA_CMD_FLUSH_CACHE                  0xE7
+#define ATA_CMD_FORMAT_TRACK                 0x50
+#define ATA_CMD_IDENTIFY_DEVICE              0xEC
+#define ATA_CMD_IDENTIFY_DEVICE_PACKET       0xA1
+#define ATA_CMD_IDENTIFY_PACKET_DEVICE       0xA1
+#define ATA_CMD_IDLE1                        0xE3
+#define ATA_CMD_IDLE2                        0x97
+#define ATA_CMD_IDLE_IMMEDIATE1              0xE1
+#define ATA_CMD_IDLE_IMMEDIATE2              0x95
+#define ATA_CMD_INITIALIZE_DRIVE_PARAMETERS  0x91
+#define ATA_CMD_INITIALIZE_DEVICE_PARAMETERS 0x91
+#define ATA_CMD_NOP                          0x00
+#define ATA_CMD_PACKET                       0xA0
+#define ATA_CMD_READ_BUFFER                  0xE4
+#define ATA_CMD_READ_DMA                     0xC8
+#define ATA_CMD_READ_DMA_QUEUED              0xC7
+#define ATA_CMD_READ_MULTIPLE                0xC4
+#define ATA_CMD_READ_SECTORS                 0x20
+#define ATA_CMD_READ_SECTORS_EXT             0x24
+#define ATA_CMD_READ_MULTIPLE_EXT            0x29
+#define ATA_CMD_WRITE_MULTIPLE_EXT           0x39
+#define ATA_CMD_READ_VERIFY_SECTORS          0x40
+#define ATA_CMD_RECALIBRATE                  0x10
+#define ATA_CMD_SEEK                         0x70
+#define ATA_CMD_SET_FEATURES                 0xEF
+#define ATA_CMD_SET_MULTIPLE_MODE            0xC6
+#define ATA_CMD_SLEEP1                       0xE6
+#define ATA_CMD_SLEEP2                       0x99
+#define ATA_CMD_STANDBY1                     0xE2
+#define ATA_CMD_STANDBY2                     0x96
+#define ATA_CMD_STANDBY_IMMEDIATE1           0xE0
+#define ATA_CMD_STANDBY_IMMEDIATE2           0x94
+#define ATA_CMD_WRITE_BUFFER                 0xE8
+#define ATA_CMD_WRITE_DMA                    0xCA
+#define ATA_CMD_WRITE_DMA_QUEUED             0xCC
+#define ATA_CMD_WRITE_MULTIPLE               0xC5
+#define ATA_CMD_WRITE_SECTORS                0x30
+#define ATA_CMD_WRITE_SECTORS_EXT            0x34
+#define ATA_CMD_WRITE_VERIFY                 0x3C
+
+// for access to the int13ext structure
+typedef struct {
+    uint8_t     size;
+    uint8_t     reserved;
+    uint16_t    count;
+    uint16_t    offset;
+    uint16_t    segment;
+    uint32_t    lba1;
+    uint32_t    lba2;
+} int13ext_t;
+
+#define Int13Ext ((int13ext_t *) 0)
+
+// Disk Physical Table definition
+typedef struct {
+    uint16_t    size;
+    uint16_t    infos;
+    uint32_t    cylinders;
+    uint32_t    heads;
+    uint32_t    spt;
+    uint32_t    sector_count1;
+    uint32_t    sector_count2;
+    uint16_t    blksize;
+    uint16_t    dpte_offset;
+    uint16_t    dpte_segment;
+    uint16_t    key;
+    uint8_t     dpi_length;
+    uint8_t     reserved1;
+    uint16_t    reserved2;
+    uint8_t     host_bus[4];
+    uint8_t     iface_type[8];
+    uint8_t     iface_path[8];
+    uint8_t     device_path[8];
+    uint8_t     reserved3;
+    uint8_t     checksum;
+} dpt_t;
+
+#define Int13DPT ((dpt_t *) 0)
+
+
+extern void     ata_reset(uint16_t device);
+extern uint16_t atapi_is_cdrom(uint8_t device);
+extern uint16_t ata_cmd_data_in(uint16_t device, uint16_t command, 
+                                uint16_t count, uint16_t cylinder,
+                                uint16_t head, uint16_t sector,
+                                uint32_t lba, char __far *buffer);
+extern uint16_t ata_cmd_data_out(uint16_t device, uint16_t command,
+                                 uint16_t count, uint16_t cylinder,
+                                 uint16_t head, uint16_t sector,
+                                 uint32_t lba, char __far *buffer);
+extern uint16_t ata_cmd_packet(uint16_t device, uint8_t cmdlen,
+                               char __far *cmdbuf, uint16_t header, 
+                               uint32_t length, uint8_t inout, 
+                               char __far *buffer);