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1 | 5391d806 | bellard | /*
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2 | 5391d806 | bellard | * QEMU IDE disk and CD-ROM Emulator
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3 | 5391d806 | bellard | *
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4 | 5391d806 | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | 5391d806 | bellard | *
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6 | 5391d806 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 5391d806 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 5391d806 | bellard | * in the Software without restriction, including without limitation the rights
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9 | 5391d806 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 5391d806 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 5391d806 | bellard | * furnished to do so, subject to the following conditions:
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12 | 5391d806 | bellard | *
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13 | 5391d806 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 5391d806 | bellard | * all copies or substantial portions of the Software.
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15 | 5391d806 | bellard | *
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16 | 5391d806 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 5391d806 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 5391d806 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 5391d806 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 5391d806 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 5391d806 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 5391d806 | bellard | * THE SOFTWARE.
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23 | 5391d806 | bellard | */
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24 | 5391d806 | bellard | #include <stdlib.h> |
25 | 5391d806 | bellard | #include <stdio.h> |
26 | 5391d806 | bellard | #include <stdarg.h> |
27 | 5391d806 | bellard | #include <string.h> |
28 | 5391d806 | bellard | #include <getopt.h> |
29 | 5391d806 | bellard | #include <inttypes.h> |
30 | 5391d806 | bellard | #include <unistd.h> |
31 | 5391d806 | bellard | #include <sys/mman.h> |
32 | 5391d806 | bellard | #include <fcntl.h> |
33 | 5391d806 | bellard | #include <signal.h> |
34 | 5391d806 | bellard | #include <time.h> |
35 | 5391d806 | bellard | #include <sys/time.h> |
36 | 5391d806 | bellard | #include <malloc.h> |
37 | 5391d806 | bellard | #include <termios.h> |
38 | 5391d806 | bellard | #include <sys/poll.h> |
39 | 5391d806 | bellard | #include <errno.h> |
40 | 5391d806 | bellard | #include <sys/wait.h> |
41 | 5391d806 | bellard | #include <netinet/in.h> |
42 | 5391d806 | bellard | |
43 | 6b136f9e | bellard | #define NO_THUNK_TYPE_SIZE
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44 | 6b136f9e | bellard | #include "thunk.h" |
45 | 6b136f9e | bellard | |
46 | 5391d806 | bellard | #include "cpu.h" |
47 | 5391d806 | bellard | #include "exec-all.h" |
48 | 5391d806 | bellard | |
49 | 5391d806 | bellard | #include "vl.h" |
50 | 5391d806 | bellard | |
51 | 5391d806 | bellard | /* debug IDE devices */
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52 | 5391d806 | bellard | //#define DEBUG_IDE
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53 | 5391d806 | bellard | //#define DEBUG_IDE_ATAPI
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54 | 5391d806 | bellard | |
55 | 5391d806 | bellard | /* Bits of HD_STATUS */
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56 | 5391d806 | bellard | #define ERR_STAT 0x01 |
57 | 5391d806 | bellard | #define INDEX_STAT 0x02 |
58 | 5391d806 | bellard | #define ECC_STAT 0x04 /* Corrected error */ |
59 | 5391d806 | bellard | #define DRQ_STAT 0x08 |
60 | 5391d806 | bellard | #define SEEK_STAT 0x10 |
61 | 5391d806 | bellard | #define SRV_STAT 0x10 |
62 | 5391d806 | bellard | #define WRERR_STAT 0x20 |
63 | 5391d806 | bellard | #define READY_STAT 0x40 |
64 | 5391d806 | bellard | #define BUSY_STAT 0x80 |
65 | 5391d806 | bellard | |
66 | 5391d806 | bellard | /* Bits for HD_ERROR */
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67 | 5391d806 | bellard | #define MARK_ERR 0x01 /* Bad address mark */ |
68 | 5391d806 | bellard | #define TRK0_ERR 0x02 /* couldn't find track 0 */ |
69 | 5391d806 | bellard | #define ABRT_ERR 0x04 /* Command aborted */ |
70 | 5391d806 | bellard | #define MCR_ERR 0x08 /* media change request */ |
71 | 5391d806 | bellard | #define ID_ERR 0x10 /* ID field not found */ |
72 | 5391d806 | bellard | #define MC_ERR 0x20 /* media changed */ |
73 | 5391d806 | bellard | #define ECC_ERR 0x40 /* Uncorrectable ECC error */ |
74 | 5391d806 | bellard | #define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */ |
75 | 5391d806 | bellard | #define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */ |
76 | 5391d806 | bellard | |
77 | 5391d806 | bellard | /* Bits of HD_NSECTOR */
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78 | 5391d806 | bellard | #define CD 0x01 |
79 | 5391d806 | bellard | #define IO 0x02 |
80 | 5391d806 | bellard | #define REL 0x04 |
81 | 5391d806 | bellard | #define TAG_MASK 0xf8 |
82 | 5391d806 | bellard | |
83 | 5391d806 | bellard | #define IDE_CMD_RESET 0x04 |
84 | 5391d806 | bellard | #define IDE_CMD_DISABLE_IRQ 0x02 |
85 | 5391d806 | bellard | |
86 | 5391d806 | bellard | /* ATA/ATAPI Commands pre T13 Spec */
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87 | 5391d806 | bellard | #define WIN_NOP 0x00 |
88 | 5391d806 | bellard | /*
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89 | 5391d806 | bellard | * 0x01->0x02 Reserved
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90 | 5391d806 | bellard | */
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91 | 5391d806 | bellard | #define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ |
92 | 5391d806 | bellard | /*
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93 | 5391d806 | bellard | * 0x04->0x07 Reserved
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94 | 5391d806 | bellard | */
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95 | 5391d806 | bellard | #define WIN_SRST 0x08 /* ATAPI soft reset command */ |
96 | 5391d806 | bellard | #define WIN_DEVICE_RESET 0x08 |
97 | 5391d806 | bellard | /*
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98 | 5391d806 | bellard | * 0x09->0x0F Reserved
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99 | 5391d806 | bellard | */
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100 | 5391d806 | bellard | #define WIN_RECAL 0x10 |
101 | 5391d806 | bellard | #define WIN_RESTORE WIN_RECAL
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102 | 5391d806 | bellard | /*
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103 | 5391d806 | bellard | * 0x10->0x1F Reserved
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104 | 5391d806 | bellard | */
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105 | 5391d806 | bellard | #define WIN_READ 0x20 /* 28-Bit */ |
106 | 5391d806 | bellard | #define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ |
107 | 5391d806 | bellard | #define WIN_READ_LONG 0x22 /* 28-Bit */ |
108 | 5391d806 | bellard | #define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ |
109 | 5391d806 | bellard | #define WIN_READ_EXT 0x24 /* 48-Bit */ |
110 | 5391d806 | bellard | #define WIN_READDMA_EXT 0x25 /* 48-Bit */ |
111 | 5391d806 | bellard | #define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ |
112 | 5391d806 | bellard | #define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ |
113 | 5391d806 | bellard | /*
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114 | 5391d806 | bellard | * 0x28
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115 | 5391d806 | bellard | */
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116 | 5391d806 | bellard | #define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ |
117 | 5391d806 | bellard | /*
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118 | 5391d806 | bellard | * 0x2A->0x2F Reserved
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119 | 5391d806 | bellard | */
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120 | 5391d806 | bellard | #define WIN_WRITE 0x30 /* 28-Bit */ |
121 | 5391d806 | bellard | #define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ |
122 | 5391d806 | bellard | #define WIN_WRITE_LONG 0x32 /* 28-Bit */ |
123 | 5391d806 | bellard | #define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ |
124 | 5391d806 | bellard | #define WIN_WRITE_EXT 0x34 /* 48-Bit */ |
125 | 5391d806 | bellard | #define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ |
126 | 5391d806 | bellard | #define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ |
127 | 5391d806 | bellard | #define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ |
128 | 5391d806 | bellard | #define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ |
129 | 5391d806 | bellard | #define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ |
130 | 5391d806 | bellard | /*
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131 | 5391d806 | bellard | * 0x3A->0x3B Reserved
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132 | 5391d806 | bellard | */
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133 | 5391d806 | bellard | #define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ |
134 | 5391d806 | bellard | /*
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135 | 5391d806 | bellard | * 0x3D->0x3F Reserved
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136 | 5391d806 | bellard | */
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137 | 5391d806 | bellard | #define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ |
138 | 5391d806 | bellard | #define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ |
139 | 5391d806 | bellard | #define WIN_VERIFY_EXT 0x42 /* 48-Bit */ |
140 | 5391d806 | bellard | /*
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141 | 5391d806 | bellard | * 0x43->0x4F Reserved
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142 | 5391d806 | bellard | */
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143 | 5391d806 | bellard | #define WIN_FORMAT 0x50 |
144 | 5391d806 | bellard | /*
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145 | 5391d806 | bellard | * 0x51->0x5F Reserved
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146 | 5391d806 | bellard | */
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147 | 5391d806 | bellard | #define WIN_INIT 0x60 |
148 | 5391d806 | bellard | /*
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149 | 5391d806 | bellard | * 0x61->0x5F Reserved
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150 | 5391d806 | bellard | */
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151 | 5391d806 | bellard | #define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ |
152 | 5391d806 | bellard | #define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ |
153 | 5391d806 | bellard | #define WIN_DIAGNOSE 0x90 |
154 | 5391d806 | bellard | #define WIN_SPECIFY 0x91 /* set drive geometry translation */ |
155 | 5391d806 | bellard | #define WIN_DOWNLOAD_MICROCODE 0x92 |
156 | 5391d806 | bellard | #define WIN_STANDBYNOW2 0x94 |
157 | 5391d806 | bellard | #define WIN_STANDBY2 0x96 |
158 | 5391d806 | bellard | #define WIN_SETIDLE2 0x97 |
159 | 5391d806 | bellard | #define WIN_CHECKPOWERMODE2 0x98 |
160 | 5391d806 | bellard | #define WIN_SLEEPNOW2 0x99 |
161 | 5391d806 | bellard | /*
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162 | 5391d806 | bellard | * 0x9A VENDOR
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163 | 5391d806 | bellard | */
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164 | 5391d806 | bellard | #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ |
165 | 5391d806 | bellard | #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ |
166 | 5391d806 | bellard | #define WIN_QUEUED_SERVICE 0xA2 |
167 | 5391d806 | bellard | #define WIN_SMART 0xB0 /* self-monitoring and reporting */ |
168 | 5391d806 | bellard | #define CFA_ERASE_SECTORS 0xC0 |
169 | 5391d806 | bellard | #define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ |
170 | 5391d806 | bellard | #define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ |
171 | 5391d806 | bellard | #define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ |
172 | 5391d806 | bellard | #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ |
173 | 5391d806 | bellard | #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ |
174 | 5391d806 | bellard | #define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ |
175 | 5391d806 | bellard | #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ |
176 | 5391d806 | bellard | #define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ |
177 | 5391d806 | bellard | #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ |
178 | 5391d806 | bellard | #define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ |
179 | 5391d806 | bellard | #define WIN_GETMEDIASTATUS 0xDA |
180 | 5391d806 | bellard | #define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ |
181 | 5391d806 | bellard | #define WIN_POSTBOOT 0xDC |
182 | 5391d806 | bellard | #define WIN_PREBOOT 0xDD |
183 | 5391d806 | bellard | #define WIN_DOORLOCK 0xDE /* lock door on removable drives */ |
184 | 5391d806 | bellard | #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ |
185 | 5391d806 | bellard | #define WIN_STANDBYNOW1 0xE0 |
186 | 5391d806 | bellard | #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ |
187 | 5391d806 | bellard | #define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ |
188 | 5391d806 | bellard | #define WIN_SETIDLE1 0xE3 |
189 | 5391d806 | bellard | #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ |
190 | 5391d806 | bellard | #define WIN_CHECKPOWERMODE1 0xE5 |
191 | 5391d806 | bellard | #define WIN_SLEEPNOW1 0xE6 |
192 | 5391d806 | bellard | #define WIN_FLUSH_CACHE 0xE7 |
193 | 5391d806 | bellard | #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ |
194 | 5391d806 | bellard | #define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ |
195 | 5391d806 | bellard | /* SET_FEATURES 0x22 or 0xDD */
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196 | 5391d806 | bellard | #define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ |
197 | 5391d806 | bellard | #define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ |
198 | 5391d806 | bellard | #define WIN_MEDIAEJECT 0xED |
199 | 5391d806 | bellard | #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ |
200 | 5391d806 | bellard | #define WIN_SETFEATURES 0xEF /* set special drive features */ |
201 | 5391d806 | bellard | #define EXABYTE_ENABLE_NEST 0xF0 |
202 | 5391d806 | bellard | #define WIN_SECURITY_SET_PASS 0xF1 |
203 | 5391d806 | bellard | #define WIN_SECURITY_UNLOCK 0xF2 |
204 | 5391d806 | bellard | #define WIN_SECURITY_ERASE_PREPARE 0xF3 |
205 | 5391d806 | bellard | #define WIN_SECURITY_ERASE_UNIT 0xF4 |
206 | 5391d806 | bellard | #define WIN_SECURITY_FREEZE_LOCK 0xF5 |
207 | 5391d806 | bellard | #define WIN_SECURITY_DISABLE 0xF6 |
208 | 5391d806 | bellard | #define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ |
209 | 5391d806 | bellard | #define WIN_SET_MAX 0xF9 |
210 | 5391d806 | bellard | #define DISABLE_SEAGATE 0xFB |
211 | 5391d806 | bellard | |
212 | 5391d806 | bellard | /* set to 1 set disable mult support */
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213 | 5391d806 | bellard | #define MAX_MULT_SECTORS 8 |
214 | 5391d806 | bellard | |
215 | 5391d806 | bellard | /* ATAPI defines */
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216 | 5391d806 | bellard | |
217 | 5391d806 | bellard | #define ATAPI_PACKET_SIZE 12 |
218 | 5391d806 | bellard | |
219 | 5391d806 | bellard | /* The generic packet command opcodes for CD/DVD Logical Units,
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220 | 5391d806 | bellard | * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
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221 | 5391d806 | bellard | #define GPCMD_BLANK 0xa1 |
222 | 5391d806 | bellard | #define GPCMD_CLOSE_TRACK 0x5b |
223 | 5391d806 | bellard | #define GPCMD_FLUSH_CACHE 0x35 |
224 | 5391d806 | bellard | #define GPCMD_FORMAT_UNIT 0x04 |
225 | 5391d806 | bellard | #define GPCMD_GET_CONFIGURATION 0x46 |
226 | 5391d806 | bellard | #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a |
227 | 5391d806 | bellard | #define GPCMD_GET_PERFORMANCE 0xac |
228 | 5391d806 | bellard | #define GPCMD_INQUIRY 0x12 |
229 | 5391d806 | bellard | #define GPCMD_LOAD_UNLOAD 0xa6 |
230 | 5391d806 | bellard | #define GPCMD_MECHANISM_STATUS 0xbd |
231 | 5391d806 | bellard | #define GPCMD_MODE_SELECT_10 0x55 |
232 | 5391d806 | bellard | #define GPCMD_MODE_SENSE_10 0x5a |
233 | 5391d806 | bellard | #define GPCMD_PAUSE_RESUME 0x4b |
234 | 5391d806 | bellard | #define GPCMD_PLAY_AUDIO_10 0x45 |
235 | 5391d806 | bellard | #define GPCMD_PLAY_AUDIO_MSF 0x47 |
236 | 5391d806 | bellard | #define GPCMD_PLAY_AUDIO_TI 0x48 |
237 | 5391d806 | bellard | #define GPCMD_PLAY_CD 0xbc |
238 | 5391d806 | bellard | #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e |
239 | 5391d806 | bellard | #define GPCMD_READ_10 0x28 |
240 | 5391d806 | bellard | #define GPCMD_READ_12 0xa8 |
241 | 5391d806 | bellard | #define GPCMD_READ_CDVD_CAPACITY 0x25 |
242 | 5391d806 | bellard | #define GPCMD_READ_CD 0xbe |
243 | 5391d806 | bellard | #define GPCMD_READ_CD_MSF 0xb9 |
244 | 5391d806 | bellard | #define GPCMD_READ_DISC_INFO 0x51 |
245 | 5391d806 | bellard | #define GPCMD_READ_DVD_STRUCTURE 0xad |
246 | 5391d806 | bellard | #define GPCMD_READ_FORMAT_CAPACITIES 0x23 |
247 | 5391d806 | bellard | #define GPCMD_READ_HEADER 0x44 |
248 | 5391d806 | bellard | #define GPCMD_READ_TRACK_RZONE_INFO 0x52 |
249 | 5391d806 | bellard | #define GPCMD_READ_SUBCHANNEL 0x42 |
250 | 5391d806 | bellard | #define GPCMD_READ_TOC_PMA_ATIP 0x43 |
251 | 5391d806 | bellard | #define GPCMD_REPAIR_RZONE_TRACK 0x58 |
252 | 5391d806 | bellard | #define GPCMD_REPORT_KEY 0xa4 |
253 | 5391d806 | bellard | #define GPCMD_REQUEST_SENSE 0x03 |
254 | 5391d806 | bellard | #define GPCMD_RESERVE_RZONE_TRACK 0x53 |
255 | 5391d806 | bellard | #define GPCMD_SCAN 0xba |
256 | 5391d806 | bellard | #define GPCMD_SEEK 0x2b |
257 | 5391d806 | bellard | #define GPCMD_SEND_DVD_STRUCTURE 0xad |
258 | 5391d806 | bellard | #define GPCMD_SEND_EVENT 0xa2 |
259 | 5391d806 | bellard | #define GPCMD_SEND_KEY 0xa3 |
260 | 5391d806 | bellard | #define GPCMD_SEND_OPC 0x54 |
261 | 5391d806 | bellard | #define GPCMD_SET_READ_AHEAD 0xa7 |
262 | 5391d806 | bellard | #define GPCMD_SET_STREAMING 0xb6 |
263 | 5391d806 | bellard | #define GPCMD_START_STOP_UNIT 0x1b |
264 | 5391d806 | bellard | #define GPCMD_STOP_PLAY_SCAN 0x4e |
265 | 5391d806 | bellard | #define GPCMD_TEST_UNIT_READY 0x00 |
266 | 5391d806 | bellard | #define GPCMD_VERIFY_10 0x2f |
267 | 5391d806 | bellard | #define GPCMD_WRITE_10 0x2a |
268 | 5391d806 | bellard | #define GPCMD_WRITE_AND_VERIFY_10 0x2e |
269 | 5391d806 | bellard | /* This is listed as optional in ATAPI 2.6, but is (curiously)
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270 | 5391d806 | bellard | * missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
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271 | 5391d806 | bellard | * Table 377 as an MMC command for SCSi devices though... Most ATAPI
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272 | 5391d806 | bellard | * drives support it. */
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273 | 5391d806 | bellard | #define GPCMD_SET_SPEED 0xbb |
274 | 5391d806 | bellard | /* This seems to be a SCSI specific CD-ROM opcode
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275 | 5391d806 | bellard | * to play data at track/index */
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276 | 5391d806 | bellard | #define GPCMD_PLAYAUDIO_TI 0x48 |
277 | 5391d806 | bellard | /*
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278 | 5391d806 | bellard | * From MS Media Status Notification Support Specification. For
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279 | 5391d806 | bellard | * older drives only.
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280 | 5391d806 | bellard | */
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281 | 5391d806 | bellard | #define GPCMD_GET_MEDIA_STATUS 0xda |
282 | 5391d806 | bellard | |
283 | 5391d806 | bellard | /* Mode page codes for mode sense/set */
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284 | 5391d806 | bellard | #define GPMODE_R_W_ERROR_PAGE 0x01 |
285 | 5391d806 | bellard | #define GPMODE_WRITE_PARMS_PAGE 0x05 |
286 | 5391d806 | bellard | #define GPMODE_AUDIO_CTL_PAGE 0x0e |
287 | 5391d806 | bellard | #define GPMODE_POWER_PAGE 0x1a |
288 | 5391d806 | bellard | #define GPMODE_FAULT_FAIL_PAGE 0x1c |
289 | 5391d806 | bellard | #define GPMODE_TO_PROTECT_PAGE 0x1d |
290 | 5391d806 | bellard | #define GPMODE_CAPABILITIES_PAGE 0x2a |
291 | 5391d806 | bellard | #define GPMODE_ALL_PAGES 0x3f |
292 | 5391d806 | bellard | /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
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293 | 5391d806 | bellard | * of MODE_SENSE_POWER_PAGE */
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294 | 5391d806 | bellard | #define GPMODE_CDROM_PAGE 0x0d |
295 | 5391d806 | bellard | |
296 | 5391d806 | bellard | #define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */ |
297 | 5391d806 | bellard | #define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */ |
298 | 5391d806 | bellard | #define ATAPI_INT_REASON_REL 0x04 |
299 | 5391d806 | bellard | #define ATAPI_INT_REASON_TAG 0xf8 |
300 | 5391d806 | bellard | |
301 | 5391d806 | bellard | /* same constants as bochs */
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302 | 5391d806 | bellard | #define ASC_LOGICAL_BLOCK_OOR 0x21 |
303 | 5391d806 | bellard | #define ASC_INV_FIELD_IN_CMD_PACKET 0x24 |
304 | 5391d806 | bellard | #define ASC_MEDIUM_NOT_PRESENT 0x3a |
305 | 5391d806 | bellard | #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39 |
306 | 5391d806 | bellard | |
307 | 5391d806 | bellard | #define SENSE_NONE 0 |
308 | 5391d806 | bellard | #define SENSE_NOT_READY 2 |
309 | 5391d806 | bellard | #define SENSE_ILLEGAL_REQUEST 5 |
310 | 5391d806 | bellard | #define SENSE_UNIT_ATTENTION 6 |
311 | 5391d806 | bellard | |
312 | 5391d806 | bellard | struct IDEState;
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313 | 5391d806 | bellard | |
314 | 5391d806 | bellard | typedef void EndTransferFunc(struct IDEState *); |
315 | 5391d806 | bellard | |
316 | 5391d806 | bellard | typedef struct IDEState { |
317 | 5391d806 | bellard | /* ide config */
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318 | 5391d806 | bellard | int is_cdrom;
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319 | 5391d806 | bellard | int cdrom_locked;
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320 | 5391d806 | bellard | int cylinders, heads, sectors;
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321 | 5391d806 | bellard | int64_t nb_sectors; |
322 | 5391d806 | bellard | int mult_sectors;
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323 | 5391d806 | bellard | int irq;
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324 | 5391d806 | bellard | /* ide regs */
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325 | 5391d806 | bellard | uint8_t feature; |
326 | 5391d806 | bellard | uint8_t error; |
327 | 5391d806 | bellard | uint16_t nsector; /* 0 is 256 to ease computations */
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328 | 5391d806 | bellard | uint8_t sector; |
329 | 5391d806 | bellard | uint8_t lcyl; |
330 | 5391d806 | bellard | uint8_t hcyl; |
331 | 5391d806 | bellard | uint8_t select; |
332 | 5391d806 | bellard | uint8_t status; |
333 | 5391d806 | bellard | /* 0x3f6 command, only meaningful for drive 0 */
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334 | 5391d806 | bellard | uint8_t cmd; |
335 | 5391d806 | bellard | /* depends on bit 4 in select, only meaningful for drive 0 */
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336 | 5391d806 | bellard | struct IDEState *cur_drive;
|
337 | 5391d806 | bellard | BlockDriverState *bs; |
338 | 5391d806 | bellard | /* ATAPI specific */
|
339 | 5391d806 | bellard | uint8_t sense_key; |
340 | 5391d806 | bellard | uint8_t asc; |
341 | 5391d806 | bellard | int packet_transfer_size;
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342 | 5391d806 | bellard | int elementary_transfer_size;
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343 | 5391d806 | bellard | int io_buffer_index;
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344 | 5391d806 | bellard | int lba;
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345 | 5391d806 | bellard | /* transfer handling */
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346 | 5391d806 | bellard | int req_nb_sectors; /* number of sectors per interrupt */ |
347 | 5391d806 | bellard | EndTransferFunc *end_transfer_func; |
348 | 5391d806 | bellard | uint8_t *data_ptr; |
349 | 5391d806 | bellard | uint8_t *data_end; |
350 | 5391d806 | bellard | uint8_t io_buffer[MAX_MULT_SECTORS*512 + 4]; |
351 | 5391d806 | bellard | } IDEState; |
352 | 5391d806 | bellard | |
353 | 5391d806 | bellard | IDEState ide_state[MAX_DISKS]; |
354 | 5391d806 | bellard | IDEState *ide_table[0x400 >> 3]; |
355 | 5391d806 | bellard | |
356 | 5391d806 | bellard | static inline IDEState *get_ide_interface(uint32_t addr) |
357 | 5391d806 | bellard | { |
358 | 5391d806 | bellard | return ide_table[addr >> 3]; |
359 | 5391d806 | bellard | } |
360 | 5391d806 | bellard | |
361 | 5391d806 | bellard | static void padstr(char *str, const char *src, int len) |
362 | 5391d806 | bellard | { |
363 | 5391d806 | bellard | int i, v;
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364 | 5391d806 | bellard | for(i = 0; i < len; i++) { |
365 | 5391d806 | bellard | if (*src)
|
366 | 5391d806 | bellard | v = *src++; |
367 | 5391d806 | bellard | else
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368 | 5391d806 | bellard | v = ' ';
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369 | 5391d806 | bellard | *(char *)((long)str ^ 1) = v; |
370 | 5391d806 | bellard | str++; |
371 | 5391d806 | bellard | } |
372 | 5391d806 | bellard | } |
373 | 5391d806 | bellard | |
374 | bd0d90b2 | bellard | static void padstr8(uint8_t *buf, int buf_size, const char *src) |
375 | bd0d90b2 | bellard | { |
376 | bd0d90b2 | bellard | int i;
|
377 | bd0d90b2 | bellard | for(i = 0; i < buf_size; i++) { |
378 | bd0d90b2 | bellard | if (*src)
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379 | bd0d90b2 | bellard | buf[i] = *src++; |
380 | bd0d90b2 | bellard | else
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381 | bd0d90b2 | bellard | buf[i] = ' ';
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382 | bd0d90b2 | bellard | } |
383 | bd0d90b2 | bellard | } |
384 | bd0d90b2 | bellard | |
385 | 5391d806 | bellard | static void ide_identify(IDEState *s) |
386 | 5391d806 | bellard | { |
387 | 5391d806 | bellard | uint16_t *p; |
388 | 5391d806 | bellard | unsigned int oldsize; |
389 | 5391d806 | bellard | |
390 | 5391d806 | bellard | memset(s->io_buffer, 0, 512); |
391 | 5391d806 | bellard | p = (uint16_t *)s->io_buffer; |
392 | 5391d806 | bellard | stw_raw(p + 0, 0x0040); |
393 | 5391d806 | bellard | stw_raw(p + 1, s->cylinders);
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394 | 5391d806 | bellard | stw_raw(p + 3, s->heads);
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395 | 5391d806 | bellard | stw_raw(p + 4, 512 * s->sectors); /* sectors */ |
396 | 5391d806 | bellard | stw_raw(p + 5, 512); /* sector size */ |
397 | 5391d806 | bellard | stw_raw(p + 6, s->sectors);
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398 | 5391d806 | bellard | padstr((uint8_t *)(p + 10), "QM00001", 20); /* serial number */ |
399 | 5391d806 | bellard | stw_raw(p + 20, 3); /* buffer type */ |
400 | 5391d806 | bellard | stw_raw(p + 21, 512); /* cache size in sectors */ |
401 | 5391d806 | bellard | stw_raw(p + 22, 4); /* ecc bytes */ |
402 | 5391d806 | bellard | padstr((uint8_t *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
403 | 5391d806 | bellard | padstr((uint8_t *)(p + 27), "QEMU HARDDISK", 40); /* model */ |
404 | 5391d806 | bellard | #if MAX_MULT_SECTORS > 1 |
405 | 5391d806 | bellard | stw_raw(p + 47, MAX_MULT_SECTORS);
|
406 | 5391d806 | bellard | #endif
|
407 | 5391d806 | bellard | stw_raw(p + 48, 1); /* dword I/O */ |
408 | 5391d806 | bellard | stw_raw(p + 49, 1 << 9); /* LBA supported, no DMA */ |
409 | 5391d806 | bellard | stw_raw(p + 51, 0x200); /* PIO transfer cycle */ |
410 | 5391d806 | bellard | stw_raw(p + 52, 0x200); /* DMA transfer cycle */ |
411 | 5391d806 | bellard | stw_raw(p + 54, s->cylinders);
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412 | 5391d806 | bellard | stw_raw(p + 55, s->heads);
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413 | 5391d806 | bellard | stw_raw(p + 56, s->sectors);
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414 | 5391d806 | bellard | oldsize = s->cylinders * s->heads * s->sectors; |
415 | 5391d806 | bellard | stw_raw(p + 57, oldsize);
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416 | 5391d806 | bellard | stw_raw(p + 58, oldsize >> 16); |
417 | 5391d806 | bellard | if (s->mult_sectors)
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418 | 5391d806 | bellard | stw_raw(p + 59, 0x100 | s->mult_sectors); |
419 | 5391d806 | bellard | stw_raw(p + 60, s->nb_sectors);
|
420 | 5391d806 | bellard | stw_raw(p + 61, s->nb_sectors >> 16); |
421 | 5391d806 | bellard | stw_raw(p + 80, (1 << 1) | (1 << 2)); |
422 | 5391d806 | bellard | stw_raw(p + 82, (1 << 14)); |
423 | 5391d806 | bellard | stw_raw(p + 83, (1 << 14)); |
424 | 5391d806 | bellard | stw_raw(p + 84, (1 << 14)); |
425 | 5391d806 | bellard | stw_raw(p + 85, (1 << 14)); |
426 | 5391d806 | bellard | stw_raw(p + 86, 0); |
427 | 5391d806 | bellard | stw_raw(p + 87, (1 << 14)); |
428 | 5391d806 | bellard | } |
429 | 5391d806 | bellard | |
430 | 5391d806 | bellard | static void ide_atapi_identify(IDEState *s) |
431 | 5391d806 | bellard | { |
432 | 5391d806 | bellard | uint16_t *p; |
433 | 5391d806 | bellard | |
434 | 5391d806 | bellard | memset(s->io_buffer, 0, 512); |
435 | 5391d806 | bellard | p = (uint16_t *)s->io_buffer; |
436 | 5391d806 | bellard | /* Removable CDROM, 50us response, 12 byte packets */
|
437 | 5391d806 | bellard | stw_raw(p + 0, (2 << 14) | (5 << 8) | (1 << 7) | (2 << 5) | (0 << 0)); |
438 | 5391d806 | bellard | stw_raw(p + 1, s->cylinders);
|
439 | 5391d806 | bellard | stw_raw(p + 3, s->heads);
|
440 | 5391d806 | bellard | stw_raw(p + 4, 512 * s->sectors); /* sectors */ |
441 | 5391d806 | bellard | stw_raw(p + 5, 512); /* sector size */ |
442 | 5391d806 | bellard | stw_raw(p + 6, s->sectors);
|
443 | 5391d806 | bellard | padstr((uint8_t *)(p + 10), "QM00001", 20); /* serial number */ |
444 | 5391d806 | bellard | stw_raw(p + 20, 3); /* buffer type */ |
445 | 5391d806 | bellard | stw_raw(p + 21, 512); /* cache size in sectors */ |
446 | 5391d806 | bellard | stw_raw(p + 22, 4); /* ecc bytes */ |
447 | 5391d806 | bellard | padstr((uint8_t *)(p + 23), QEMU_VERSION, 8); /* firmware version */ |
448 | 5391d806 | bellard | padstr((uint8_t *)(p + 27), "QEMU CD-ROM", 40); /* model */ |
449 | 5391d806 | bellard | stw_raw(p + 48, 1); /* dword I/O (XXX: should not be set on CDROM) */ |
450 | 5391d806 | bellard | stw_raw(p + 49, 1 << 9); /* LBA supported, no DMA */ |
451 | 5391d806 | bellard | stw_raw(p + 53, 3); /* words 64-70, 54-58 valid */ |
452 | 5391d806 | bellard | stw_raw(p + 63, 0x103); /* DMA modes XXX: may be incorrect */ |
453 | 5391d806 | bellard | stw_raw(p + 64, 1); /* PIO modes */ |
454 | 5391d806 | bellard | stw_raw(p + 65, 0xb4); /* minimum DMA multiword tx cycle time */ |
455 | 5391d806 | bellard | stw_raw(p + 66, 0xb4); /* recommended DMA multiword tx cycle time */ |
456 | 5391d806 | bellard | stw_raw(p + 67, 0x12c); /* minimum PIO cycle time without flow control */ |
457 | 5391d806 | bellard | stw_raw(p + 68, 0xb4); /* minimum PIO cycle time with IORDY flow control */ |
458 | 5391d806 | bellard | |
459 | 5391d806 | bellard | stw_raw(p + 71, 30); /* in ns */ |
460 | 5391d806 | bellard | stw_raw(p + 72, 30); /* in ns */ |
461 | 5391d806 | bellard | |
462 | 5391d806 | bellard | stw_raw(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */ |
463 | 5391d806 | bellard | } |
464 | 5391d806 | bellard | |
465 | 5391d806 | bellard | static void ide_set_signature(IDEState *s) |
466 | 5391d806 | bellard | { |
467 | 5391d806 | bellard | s->select &= 0xf0; /* clear head */ |
468 | 5391d806 | bellard | /* put signature */
|
469 | 5391d806 | bellard | s->nsector = 1;
|
470 | 5391d806 | bellard | s->sector = 1;
|
471 | 5391d806 | bellard | if (s->is_cdrom) {
|
472 | 5391d806 | bellard | s->lcyl = 0x14;
|
473 | 5391d806 | bellard | s->hcyl = 0xeb;
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474 | 5391d806 | bellard | } else if (s->bs) { |
475 | 5391d806 | bellard | s->lcyl = 0;
|
476 | 5391d806 | bellard | s->hcyl = 0;
|
477 | 5391d806 | bellard | } else {
|
478 | 5391d806 | bellard | s->lcyl = 0xff;
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479 | 5391d806 | bellard | s->hcyl = 0xff;
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480 | 5391d806 | bellard | } |
481 | 5391d806 | bellard | } |
482 | 5391d806 | bellard | |
483 | 5391d806 | bellard | static inline void ide_abort_command(IDEState *s) |
484 | 5391d806 | bellard | { |
485 | 5391d806 | bellard | s->status = READY_STAT | ERR_STAT; |
486 | 5391d806 | bellard | s->error = ABRT_ERR; |
487 | 5391d806 | bellard | } |
488 | 5391d806 | bellard | |
489 | 5391d806 | bellard | static inline void ide_set_irq(IDEState *s) |
490 | 5391d806 | bellard | { |
491 | 5391d806 | bellard | if (!(s->cmd & IDE_CMD_DISABLE_IRQ)) {
|
492 | 5391d806 | bellard | pic_set_irq(s->irq, 1);
|
493 | 5391d806 | bellard | } |
494 | 5391d806 | bellard | } |
495 | 5391d806 | bellard | |
496 | 5391d806 | bellard | /* prepare data transfer and tell what to do after */
|
497 | 5391d806 | bellard | static void ide_transfer_start(IDEState *s, uint8_t *buf, int size, |
498 | 5391d806 | bellard | EndTransferFunc *end_transfer_func) |
499 | 5391d806 | bellard | { |
500 | 5391d806 | bellard | s->end_transfer_func = end_transfer_func; |
501 | 5391d806 | bellard | s->data_ptr = buf; |
502 | 5391d806 | bellard | s->data_end = buf + size; |
503 | 5391d806 | bellard | s->status |= DRQ_STAT; |
504 | 5391d806 | bellard | } |
505 | 5391d806 | bellard | |
506 | 5391d806 | bellard | static void ide_transfer_stop(IDEState *s) |
507 | 5391d806 | bellard | { |
508 | 5391d806 | bellard | s->end_transfer_func = ide_transfer_stop; |
509 | 5391d806 | bellard | s->data_ptr = s->io_buffer; |
510 | 5391d806 | bellard | s->data_end = s->io_buffer; |
511 | 5391d806 | bellard | s->status &= ~DRQ_STAT; |
512 | 5391d806 | bellard | } |
513 | 5391d806 | bellard | |
514 | 5391d806 | bellard | static int64_t ide_get_sector(IDEState *s)
|
515 | 5391d806 | bellard | { |
516 | 5391d806 | bellard | int64_t sector_num; |
517 | 5391d806 | bellard | if (s->select & 0x40) { |
518 | 5391d806 | bellard | /* lba */
|
519 | 5391d806 | bellard | sector_num = ((s->select & 0x0f) << 24) | (s->hcyl << 16) | |
520 | 5391d806 | bellard | (s->lcyl << 8) | s->sector;
|
521 | 5391d806 | bellard | } else {
|
522 | 5391d806 | bellard | sector_num = ((s->hcyl << 8) | s->lcyl) * s->heads * s->sectors +
|
523 | 5391d806 | bellard | (s->select & 0x0f) * s->sectors +
|
524 | 5391d806 | bellard | (s->sector - 1);
|
525 | 5391d806 | bellard | } |
526 | 5391d806 | bellard | return sector_num;
|
527 | 5391d806 | bellard | } |
528 | 5391d806 | bellard | |
529 | 5391d806 | bellard | static void ide_set_sector(IDEState *s, int64_t sector_num) |
530 | 5391d806 | bellard | { |
531 | 5391d806 | bellard | unsigned int cyl, r; |
532 | 5391d806 | bellard | if (s->select & 0x40) { |
533 | 5391d806 | bellard | s->select = (s->select & 0xf0) | (sector_num >> 24); |
534 | 5391d806 | bellard | s->hcyl = (sector_num >> 16);
|
535 | 5391d806 | bellard | s->lcyl = (sector_num >> 8);
|
536 | 5391d806 | bellard | s->sector = (sector_num); |
537 | 5391d806 | bellard | } else {
|
538 | 5391d806 | bellard | cyl = sector_num / (s->heads * s->sectors); |
539 | 5391d806 | bellard | r = sector_num % (s->heads * s->sectors); |
540 | 5391d806 | bellard | s->hcyl = cyl >> 8;
|
541 | 5391d806 | bellard | s->lcyl = cyl; |
542 | 5391d806 | bellard | s->select = (s->select & 0xf0) | (r / s->sectors);
|
543 | 5391d806 | bellard | s->sector = (r % s->sectors) + 1;
|
544 | 5391d806 | bellard | } |
545 | 5391d806 | bellard | } |
546 | 5391d806 | bellard | |
547 | 5391d806 | bellard | static void ide_sector_read(IDEState *s) |
548 | 5391d806 | bellard | { |
549 | 5391d806 | bellard | int64_t sector_num; |
550 | 5391d806 | bellard | int ret, n;
|
551 | 5391d806 | bellard | |
552 | 5391d806 | bellard | s->status = READY_STAT | SEEK_STAT; |
553 | 5391d806 | bellard | sector_num = ide_get_sector(s); |
554 | 5391d806 | bellard | n = s->nsector; |
555 | 5391d806 | bellard | if (n == 0) { |
556 | 5391d806 | bellard | /* no more sector to read from disk */
|
557 | 5391d806 | bellard | ide_transfer_stop(s); |
558 | 5391d806 | bellard | } else {
|
559 | 5391d806 | bellard | #if defined(DEBUG_IDE)
|
560 | 5391d806 | bellard | printf("read sector=%Ld\n", sector_num);
|
561 | 5391d806 | bellard | #endif
|
562 | 5391d806 | bellard | if (n > s->req_nb_sectors)
|
563 | 5391d806 | bellard | n = s->req_nb_sectors; |
564 | 5391d806 | bellard | ret = bdrv_read(s->bs, sector_num, s->io_buffer, n); |
565 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_read);
|
566 | 5391d806 | bellard | ide_set_irq(s); |
567 | 5391d806 | bellard | ide_set_sector(s, sector_num + n); |
568 | 5391d806 | bellard | s->nsector -= n; |
569 | 5391d806 | bellard | } |
570 | 5391d806 | bellard | } |
571 | 5391d806 | bellard | |
572 | 5391d806 | bellard | static void ide_sector_write(IDEState *s) |
573 | 5391d806 | bellard | { |
574 | 5391d806 | bellard | int64_t sector_num; |
575 | 5391d806 | bellard | int ret, n, n1;
|
576 | 5391d806 | bellard | |
577 | 5391d806 | bellard | s->status = READY_STAT | SEEK_STAT; |
578 | 5391d806 | bellard | sector_num = ide_get_sector(s); |
579 | 5391d806 | bellard | #if defined(DEBUG_IDE)
|
580 | 5391d806 | bellard | printf("write sector=%Ld\n", sector_num);
|
581 | 5391d806 | bellard | #endif
|
582 | 5391d806 | bellard | n = s->nsector; |
583 | 5391d806 | bellard | if (n > s->req_nb_sectors)
|
584 | 5391d806 | bellard | n = s->req_nb_sectors; |
585 | 5391d806 | bellard | ret = bdrv_write(s->bs, sector_num, s->io_buffer, n); |
586 | 5391d806 | bellard | s->nsector -= n; |
587 | 5391d806 | bellard | if (s->nsector == 0) { |
588 | 5391d806 | bellard | /* no more sector to write */
|
589 | 5391d806 | bellard | ide_transfer_stop(s); |
590 | 5391d806 | bellard | } else {
|
591 | 5391d806 | bellard | n1 = s->nsector; |
592 | 5391d806 | bellard | if (n1 > s->req_nb_sectors)
|
593 | 5391d806 | bellard | n1 = s->req_nb_sectors; |
594 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer, 512 * n1, ide_sector_write);
|
595 | 5391d806 | bellard | } |
596 | 5391d806 | bellard | ide_set_sector(s, sector_num + n); |
597 | 5391d806 | bellard | ide_set_irq(s); |
598 | 5391d806 | bellard | } |
599 | 5391d806 | bellard | |
600 | 5391d806 | bellard | static void ide_atapi_cmd_ok(IDEState *s) |
601 | 5391d806 | bellard | { |
602 | 5391d806 | bellard | s->error = 0;
|
603 | 5391d806 | bellard | s->status = READY_STAT; |
604 | 5391d806 | bellard | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
605 | 5391d806 | bellard | ide_set_irq(s); |
606 | 5391d806 | bellard | } |
607 | 5391d806 | bellard | |
608 | 5391d806 | bellard | static void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc) |
609 | 5391d806 | bellard | { |
610 | 5391d806 | bellard | #ifdef DEBUG_IDE_ATAPI
|
611 | 5391d806 | bellard | printf("atapi_cmd_error: sense=0x%x asc=0x%x\n", sense_key, asc);
|
612 | 5391d806 | bellard | #endif
|
613 | 5391d806 | bellard | s->error = sense_key << 4;
|
614 | 5391d806 | bellard | s->status = READY_STAT | ERR_STAT; |
615 | 5391d806 | bellard | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
616 | 5391d806 | bellard | s->sense_key = sense_key; |
617 | 5391d806 | bellard | s->asc = asc; |
618 | 5391d806 | bellard | ide_set_irq(s); |
619 | 5391d806 | bellard | } |
620 | 5391d806 | bellard | |
621 | 5391d806 | bellard | static inline void cpu_to_ube16(uint8_t *buf, int val) |
622 | 5391d806 | bellard | { |
623 | 5391d806 | bellard | buf[0] = val >> 8; |
624 | 5391d806 | bellard | buf[1] = val;
|
625 | 5391d806 | bellard | } |
626 | 5391d806 | bellard | |
627 | 5391d806 | bellard | static inline void cpu_to_ube32(uint8_t *buf, unsigned int val) |
628 | 5391d806 | bellard | { |
629 | 5391d806 | bellard | buf[0] = val >> 24; |
630 | 5391d806 | bellard | buf[1] = val >> 16; |
631 | 5391d806 | bellard | buf[2] = val >> 8; |
632 | 5391d806 | bellard | buf[3] = val;
|
633 | 5391d806 | bellard | } |
634 | 5391d806 | bellard | |
635 | 5391d806 | bellard | static inline int ube16_to_cpu(const uint8_t *buf) |
636 | 5391d806 | bellard | { |
637 | 5391d806 | bellard | return (buf[0] << 8) | buf[1]; |
638 | 5391d806 | bellard | } |
639 | 5391d806 | bellard | |
640 | 5391d806 | bellard | static inline int ube32_to_cpu(const uint8_t *buf) |
641 | 5391d806 | bellard | { |
642 | 5391d806 | bellard | return (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; |
643 | 5391d806 | bellard | } |
644 | 5391d806 | bellard | |
645 | 5391d806 | bellard | /* The whole ATAPI transfer logic is handled in this function */
|
646 | 5391d806 | bellard | static void ide_atapi_cmd_reply_end(IDEState *s) |
647 | 5391d806 | bellard | { |
648 | 5391d806 | bellard | int byte_count_limit, size;
|
649 | 5391d806 | bellard | #ifdef DEBUG_IDE_ATAPI
|
650 | 5391d806 | bellard | printf("reply: tx_size=%d elem_tx_size=%d index=%d\n",
|
651 | 5391d806 | bellard | s->packet_transfer_size, |
652 | 5391d806 | bellard | s->elementary_transfer_size, |
653 | 5391d806 | bellard | s->io_buffer_index); |
654 | 5391d806 | bellard | #endif
|
655 | 5391d806 | bellard | if (s->packet_transfer_size <= 0) { |
656 | 5391d806 | bellard | /* end of transfer */
|
657 | 5391d806 | bellard | ide_transfer_stop(s); |
658 | 5391d806 | bellard | s->status = READY_STAT; |
659 | 5391d806 | bellard | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
|
660 | 5391d806 | bellard | ide_set_irq(s); |
661 | 5391d806 | bellard | #ifdef DEBUG_IDE_ATAPI
|
662 | 5391d806 | bellard | printf("status=0x%x\n", s->status);
|
663 | 5391d806 | bellard | #endif
|
664 | 5391d806 | bellard | } else {
|
665 | 5391d806 | bellard | /* see if a new sector must be read */
|
666 | 5391d806 | bellard | if (s->lba != -1 && s->io_buffer_index >= 2048) { |
667 | 5391d806 | bellard | bdrv_read(s->bs, (int64_t)s->lba << 2, s->io_buffer, 4); |
668 | 5391d806 | bellard | s->lba++; |
669 | 5391d806 | bellard | s->io_buffer_index = 0;
|
670 | 5391d806 | bellard | } |
671 | 5391d806 | bellard | if (s->elementary_transfer_size > 0) { |
672 | 5391d806 | bellard | /* there are some data left to transmit in this elementary
|
673 | 5391d806 | bellard | transfer */
|
674 | 5391d806 | bellard | size = 2048 - s->io_buffer_index;
|
675 | 5391d806 | bellard | if (size > s->elementary_transfer_size)
|
676 | 5391d806 | bellard | size = s->elementary_transfer_size; |
677 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
678 | 5391d806 | bellard | size, ide_atapi_cmd_reply_end); |
679 | 5391d806 | bellard | s->packet_transfer_size -= size; |
680 | 5391d806 | bellard | s->elementary_transfer_size -= size; |
681 | 5391d806 | bellard | s->io_buffer_index += size; |
682 | 5391d806 | bellard | } else {
|
683 | 5391d806 | bellard | /* a new transfer is needed */
|
684 | 5391d806 | bellard | s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO;
|
685 | 5391d806 | bellard | byte_count_limit = s->lcyl | (s->hcyl << 8);
|
686 | 5391d806 | bellard | #ifdef DEBUG_IDE_ATAPI
|
687 | 5391d806 | bellard | printf("byte_count_limit=%d\n", byte_count_limit);
|
688 | 5391d806 | bellard | #endif
|
689 | 5391d806 | bellard | if (byte_count_limit == 0xffff) |
690 | 5391d806 | bellard | byte_count_limit--; |
691 | 5391d806 | bellard | size = s->packet_transfer_size; |
692 | 5391d806 | bellard | if (size > byte_count_limit) {
|
693 | 5391d806 | bellard | /* byte count limit must be even if this case */
|
694 | 5391d806 | bellard | if (byte_count_limit & 1) |
695 | 5391d806 | bellard | byte_count_limit--; |
696 | 5391d806 | bellard | size = byte_count_limit; |
697 | 5391d806 | bellard | } else {
|
698 | 5391d806 | bellard | s->lcyl = size; |
699 | 5391d806 | bellard | s->hcyl = size >> 8;
|
700 | 5391d806 | bellard | } |
701 | 5391d806 | bellard | s->elementary_transfer_size = size; |
702 | 5391d806 | bellard | /* we cannot transmit more than one sector at a time */
|
703 | 5391d806 | bellard | if (s->lba != -1) { |
704 | 5391d806 | bellard | if (size > (2048 - s->io_buffer_index)) |
705 | 5391d806 | bellard | size = (2048 - s->io_buffer_index);
|
706 | 5391d806 | bellard | } |
707 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer + s->io_buffer_index, |
708 | 5391d806 | bellard | size, ide_atapi_cmd_reply_end); |
709 | 5391d806 | bellard | s->packet_transfer_size -= size; |
710 | 5391d806 | bellard | s->elementary_transfer_size -= size; |
711 | 5391d806 | bellard | s->io_buffer_index += size; |
712 | 5391d806 | bellard | ide_set_irq(s); |
713 | 5391d806 | bellard | #ifdef DEBUG_IDE_ATAPI
|
714 | 5391d806 | bellard | printf("status=0x%x\n", s->status);
|
715 | 5391d806 | bellard | #endif
|
716 | 5391d806 | bellard | } |
717 | 5391d806 | bellard | } |
718 | 5391d806 | bellard | } |
719 | 5391d806 | bellard | |
720 | 5391d806 | bellard | /* send a reply of 'size' bytes in s->io_buffer to an ATAPI command */
|
721 | 5391d806 | bellard | static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size) |
722 | 5391d806 | bellard | { |
723 | 5391d806 | bellard | if (size > max_size)
|
724 | 5391d806 | bellard | size = max_size; |
725 | 5391d806 | bellard | s->lba = -1; /* no sector read */ |
726 | 5391d806 | bellard | s->packet_transfer_size = size; |
727 | 5391d806 | bellard | s->elementary_transfer_size = 0;
|
728 | 5391d806 | bellard | s->io_buffer_index = 0;
|
729 | 5391d806 | bellard | |
730 | 5391d806 | bellard | s->status = READY_STAT; |
731 | 5391d806 | bellard | ide_atapi_cmd_reply_end(s); |
732 | 5391d806 | bellard | } |
733 | 5391d806 | bellard | |
734 | 5391d806 | bellard | /* start a CD-CDROM read command */
|
735 | 5391d806 | bellard | static void ide_atapi_cmd_read(IDEState *s, int lba, int nb_sectors) |
736 | 5391d806 | bellard | { |
737 | 5391d806 | bellard | #ifdef DEBUG_IDE_ATAPI
|
738 | 5391d806 | bellard | printf("read: LBA=%d nb_sectors=%d\n", lba, nb_sectors);
|
739 | 5391d806 | bellard | #endif
|
740 | 5391d806 | bellard | s->lba = lba; |
741 | 5391d806 | bellard | s->packet_transfer_size = nb_sectors * 2048;
|
742 | 5391d806 | bellard | s->elementary_transfer_size = 0;
|
743 | 5391d806 | bellard | s->io_buffer_index = 2048;
|
744 | 5391d806 | bellard | |
745 | 5391d806 | bellard | s->status = READY_STAT; |
746 | 5391d806 | bellard | ide_atapi_cmd_reply_end(s); |
747 | 5391d806 | bellard | } |
748 | 5391d806 | bellard | |
749 | 5391d806 | bellard | /* same toc as bochs. Return -1 if error or the toc length */
|
750 | 5391d806 | bellard | static int cdrom_read_toc(IDEState *s, uint8_t *buf, int msf, int start_track) |
751 | 5391d806 | bellard | { |
752 | 5391d806 | bellard | uint8_t *q; |
753 | 5391d806 | bellard | int nb_sectors, len;
|
754 | 5391d806 | bellard | |
755 | 5391d806 | bellard | if (start_track > 1 && start_track != 0xaa) |
756 | 5391d806 | bellard | return -1; |
757 | 5391d806 | bellard | q = buf + 2;
|
758 | 5391d806 | bellard | *q++ = 1;
|
759 | 5391d806 | bellard | *q++ = 1;
|
760 | 5391d806 | bellard | if (start_track <= 1) { |
761 | 5391d806 | bellard | *q++ = 0; /* reserved */ |
762 | 5391d806 | bellard | *q++ = 0x14; /* ADR, control */ |
763 | 5391d806 | bellard | *q++ = 1; /* track number */ |
764 | 5391d806 | bellard | *q++ = 0; /* reserved */ |
765 | 5391d806 | bellard | if (msf) {
|
766 | 5391d806 | bellard | *q++ = 0; /* reserved */ |
767 | 5391d806 | bellard | *q++ = 0; /* minute */ |
768 | 5391d806 | bellard | *q++ = 2; /* second */ |
769 | 5391d806 | bellard | *q++ = 0; /* frame */ |
770 | 5391d806 | bellard | } else {
|
771 | 5391d806 | bellard | /* sector 0 */
|
772 | 5391d806 | bellard | cpu_to_ube32(q, 0);
|
773 | 5391d806 | bellard | q += 4;
|
774 | 5391d806 | bellard | } |
775 | 5391d806 | bellard | } |
776 | 5391d806 | bellard | /* lead out track */
|
777 | 5391d806 | bellard | *q++ = 0; /* reserved */ |
778 | 5391d806 | bellard | *q++ = 0x16; /* ADR, control */ |
779 | 5391d806 | bellard | *q++ = 0xaa; /* track number */ |
780 | 5391d806 | bellard | *q++ = 0; /* reserved */ |
781 | 5391d806 | bellard | nb_sectors = s->nb_sectors >> 2;
|
782 | 5391d806 | bellard | if (msf) {
|
783 | 5391d806 | bellard | *q++ = 0; /* reserved */ |
784 | 5391d806 | bellard | *q++ = ((nb_sectors + 150) / 75) / 60; |
785 | 5391d806 | bellard | *q++ = ((nb_sectors + 150) / 75) % 60; |
786 | 5391d806 | bellard | *q++ = (nb_sectors + 150) % 75; |
787 | 5391d806 | bellard | } else {
|
788 | 5391d806 | bellard | cpu_to_ube32(q, nb_sectors); |
789 | 5391d806 | bellard | q += 4;
|
790 | 5391d806 | bellard | } |
791 | 5391d806 | bellard | len = q - buf; |
792 | 5391d806 | bellard | cpu_to_ube16(buf, len - 2);
|
793 | 5391d806 | bellard | return len;
|
794 | 5391d806 | bellard | } |
795 | 5391d806 | bellard | |
796 | 5391d806 | bellard | static void ide_atapi_cmd(IDEState *s) |
797 | 5391d806 | bellard | { |
798 | 5391d806 | bellard | const uint8_t *packet;
|
799 | 5391d806 | bellard | uint8_t *buf; |
800 | 5391d806 | bellard | int max_len;
|
801 | 5391d806 | bellard | |
802 | 5391d806 | bellard | packet = s->io_buffer; |
803 | 5391d806 | bellard | buf = s->io_buffer; |
804 | 5391d806 | bellard | #ifdef DEBUG_IDE_ATAPI
|
805 | 5391d806 | bellard | { |
806 | 5391d806 | bellard | int i;
|
807 | 5391d806 | bellard | printf("ATAPI limit=0x%x packet:", s->lcyl | (s->hcyl << 8)); |
808 | 5391d806 | bellard | for(i = 0; i < ATAPI_PACKET_SIZE; i++) { |
809 | 5391d806 | bellard | printf(" %02x", packet[i]);
|
810 | 5391d806 | bellard | } |
811 | 5391d806 | bellard | printf("\n");
|
812 | 5391d806 | bellard | } |
813 | 5391d806 | bellard | #endif
|
814 | 5391d806 | bellard | switch(s->io_buffer[0]) { |
815 | 5391d806 | bellard | case GPCMD_TEST_UNIT_READY:
|
816 | 5391d806 | bellard | if (s->bs) {
|
817 | 5391d806 | bellard | ide_atapi_cmd_ok(s); |
818 | 5391d806 | bellard | } else {
|
819 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
820 | 5391d806 | bellard | ASC_MEDIUM_NOT_PRESENT); |
821 | 5391d806 | bellard | } |
822 | 5391d806 | bellard | break;
|
823 | 5391d806 | bellard | case GPCMD_MODE_SENSE_10:
|
824 | 5391d806 | bellard | { |
825 | 5391d806 | bellard | int action, code;
|
826 | 5391d806 | bellard | max_len = ube16_to_cpu(packet + 7);
|
827 | 5391d806 | bellard | action = packet[2] >> 6; |
828 | 5391d806 | bellard | code = packet[2] & 0x3f; |
829 | 5391d806 | bellard | switch(action) {
|
830 | 5391d806 | bellard | case 0: /* current values */ |
831 | 5391d806 | bellard | switch(code) {
|
832 | 5391d806 | bellard | case 0x01: /* error recovery */ |
833 | 5391d806 | bellard | cpu_to_ube16(&buf[0], 16 + 6); |
834 | 5391d806 | bellard | buf[2] = 0x70; |
835 | 5391d806 | bellard | buf[3] = 0; |
836 | 5391d806 | bellard | buf[4] = 0; |
837 | 5391d806 | bellard | buf[5] = 0; |
838 | 5391d806 | bellard | buf[6] = 0; |
839 | 5391d806 | bellard | buf[7] = 0; |
840 | 5391d806 | bellard | |
841 | 5391d806 | bellard | buf[8] = 0x01; |
842 | 5391d806 | bellard | buf[9] = 0x06; |
843 | 5391d806 | bellard | buf[10] = 0x00; |
844 | 5391d806 | bellard | buf[11] = 0x05; |
845 | 5391d806 | bellard | buf[12] = 0x00; |
846 | 5391d806 | bellard | buf[13] = 0x00; |
847 | 5391d806 | bellard | buf[14] = 0x00; |
848 | 5391d806 | bellard | buf[15] = 0x00; |
849 | 5391d806 | bellard | ide_atapi_cmd_reply(s, 16, max_len);
|
850 | 5391d806 | bellard | break;
|
851 | 5391d806 | bellard | case 0x2a: |
852 | 5391d806 | bellard | cpu_to_ube16(&buf[0], 28 + 6); |
853 | 5391d806 | bellard | buf[2] = 0x70; |
854 | 5391d806 | bellard | buf[3] = 0; |
855 | 5391d806 | bellard | buf[4] = 0; |
856 | 5391d806 | bellard | buf[5] = 0; |
857 | 5391d806 | bellard | buf[6] = 0; |
858 | 5391d806 | bellard | buf[7] = 0; |
859 | 5391d806 | bellard | |
860 | 5391d806 | bellard | buf[8] = 0x2a; |
861 | 5391d806 | bellard | buf[9] = 0x12; |
862 | 5391d806 | bellard | buf[10] = 0x00; |
863 | 5391d806 | bellard | buf[11] = 0x00; |
864 | 5391d806 | bellard | |
865 | 5391d806 | bellard | buf[12] = 0x70; |
866 | 5391d806 | bellard | buf[13] = 3 << 5; |
867 | 5391d806 | bellard | buf[14] = (1 << 0) | (1 << 3) | (1 << 5); |
868 | 5391d806 | bellard | if (s->cdrom_locked)
|
869 | 5391d806 | bellard | buf[6] |= 1 << 1; |
870 | 5391d806 | bellard | buf[15] = 0x00; |
871 | 5391d806 | bellard | cpu_to_ube16(&buf[16], 706); |
872 | 5391d806 | bellard | buf[18] = 0; |
873 | 5391d806 | bellard | buf[19] = 2; |
874 | 5391d806 | bellard | cpu_to_ube16(&buf[20], 512); |
875 | 5391d806 | bellard | cpu_to_ube16(&buf[22], 706); |
876 | 5391d806 | bellard | buf[24] = 0; |
877 | 5391d806 | bellard | buf[25] = 0; |
878 | 5391d806 | bellard | buf[26] = 0; |
879 | 5391d806 | bellard | buf[27] = 0; |
880 | 5391d806 | bellard | ide_atapi_cmd_reply(s, 28, max_len);
|
881 | 5391d806 | bellard | break;
|
882 | 5391d806 | bellard | default:
|
883 | 5391d806 | bellard | goto error_cmd;
|
884 | 5391d806 | bellard | } |
885 | 5391d806 | bellard | break;
|
886 | 5391d806 | bellard | case 1: /* changeable values */ |
887 | 5391d806 | bellard | goto error_cmd;
|
888 | 5391d806 | bellard | case 2: /* default values */ |
889 | 5391d806 | bellard | goto error_cmd;
|
890 | 5391d806 | bellard | default:
|
891 | 5391d806 | bellard | case 3: /* saved values */ |
892 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
893 | 5391d806 | bellard | ASC_SAVING_PARAMETERS_NOT_SUPPORTED); |
894 | 5391d806 | bellard | break;
|
895 | 5391d806 | bellard | } |
896 | 5391d806 | bellard | } |
897 | 5391d806 | bellard | break;
|
898 | 5391d806 | bellard | case GPCMD_REQUEST_SENSE:
|
899 | 5391d806 | bellard | max_len = packet[4];
|
900 | 5391d806 | bellard | memset(buf, 0, 18); |
901 | 5391d806 | bellard | buf[0] = 0x70 | (1 << 7); |
902 | 5391d806 | bellard | buf[2] = s->sense_key;
|
903 | 5391d806 | bellard | buf[7] = 10; |
904 | 5391d806 | bellard | buf[12] = s->asc;
|
905 | 5391d806 | bellard | ide_atapi_cmd_reply(s, 18, max_len);
|
906 | 5391d806 | bellard | break;
|
907 | 5391d806 | bellard | case GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
908 | 5391d806 | bellard | if (s->bs) {
|
909 | 5391d806 | bellard | s->cdrom_locked = packet[4] & 1; |
910 | 5391d806 | bellard | ide_atapi_cmd_ok(s); |
911 | 5391d806 | bellard | } else {
|
912 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
913 | 5391d806 | bellard | ASC_MEDIUM_NOT_PRESENT); |
914 | 5391d806 | bellard | } |
915 | 5391d806 | bellard | break;
|
916 | 5391d806 | bellard | case GPCMD_READ_10:
|
917 | 5391d806 | bellard | case GPCMD_READ_12:
|
918 | 5391d806 | bellard | { |
919 | 5391d806 | bellard | int nb_sectors, lba;
|
920 | 5391d806 | bellard | |
921 | 5391d806 | bellard | if (!s->bs) {
|
922 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
923 | 5391d806 | bellard | ASC_MEDIUM_NOT_PRESENT); |
924 | 5391d806 | bellard | break;
|
925 | 5391d806 | bellard | } |
926 | 5391d806 | bellard | if (packet[0] == GPCMD_READ_10) |
927 | 5391d806 | bellard | nb_sectors = ube16_to_cpu(packet + 7);
|
928 | 5391d806 | bellard | else
|
929 | 5391d806 | bellard | nb_sectors = ube32_to_cpu(packet + 6);
|
930 | 5391d806 | bellard | lba = ube32_to_cpu(packet + 2);
|
931 | 5391d806 | bellard | if (nb_sectors == 0) { |
932 | 5391d806 | bellard | ide_atapi_cmd_ok(s); |
933 | 5391d806 | bellard | break;
|
934 | 5391d806 | bellard | } |
935 | 5391d806 | bellard | if (((int64_t)(lba + nb_sectors) << 2) > s->nb_sectors) { |
936 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
937 | 5391d806 | bellard | ASC_LOGICAL_BLOCK_OOR); |
938 | 5391d806 | bellard | break;
|
939 | 5391d806 | bellard | } |
940 | 5391d806 | bellard | ide_atapi_cmd_read(s, lba, nb_sectors); |
941 | 5391d806 | bellard | } |
942 | 5391d806 | bellard | break;
|
943 | 5391d806 | bellard | case GPCMD_SEEK:
|
944 | 5391d806 | bellard | { |
945 | 5391d806 | bellard | int lba;
|
946 | 5391d806 | bellard | if (!s->bs) {
|
947 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
948 | 5391d806 | bellard | ASC_MEDIUM_NOT_PRESENT); |
949 | 5391d806 | bellard | break;
|
950 | 5391d806 | bellard | } |
951 | 5391d806 | bellard | lba = ube32_to_cpu(packet + 2);
|
952 | 5391d806 | bellard | if (((int64_t)lba << 2) > s->nb_sectors) { |
953 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
954 | 5391d806 | bellard | ASC_LOGICAL_BLOCK_OOR); |
955 | 5391d806 | bellard | break;
|
956 | 5391d806 | bellard | } |
957 | 5391d806 | bellard | ide_atapi_cmd_ok(s); |
958 | 5391d806 | bellard | } |
959 | 5391d806 | bellard | break;
|
960 | 5391d806 | bellard | case GPCMD_START_STOP_UNIT:
|
961 | 5391d806 | bellard | { |
962 | 5391d806 | bellard | int start, eject;
|
963 | 5391d806 | bellard | start = packet[4] & 1; |
964 | 5391d806 | bellard | eject = (packet[4] >> 1) & 1; |
965 | 5391d806 | bellard | |
966 | 5391d806 | bellard | /* XXX: currently none implemented */
|
967 | 5391d806 | bellard | ide_atapi_cmd_ok(s); |
968 | 5391d806 | bellard | } |
969 | 5391d806 | bellard | break;
|
970 | 5391d806 | bellard | case GPCMD_MECHANISM_STATUS:
|
971 | 5391d806 | bellard | { |
972 | 5391d806 | bellard | max_len = ube16_to_cpu(packet + 8);
|
973 | 5391d806 | bellard | cpu_to_ube16(buf, 0);
|
974 | 5391d806 | bellard | /* no current LBA */
|
975 | 5391d806 | bellard | buf[2] = 0; |
976 | 5391d806 | bellard | buf[3] = 0; |
977 | 5391d806 | bellard | buf[4] = 0; |
978 | 5391d806 | bellard | buf[5] = 1; |
979 | 5391d806 | bellard | cpu_to_ube16(buf + 6, 0); |
980 | 5391d806 | bellard | ide_atapi_cmd_reply(s, 8, max_len);
|
981 | 5391d806 | bellard | } |
982 | 5391d806 | bellard | break;
|
983 | 5391d806 | bellard | case GPCMD_READ_TOC_PMA_ATIP:
|
984 | 5391d806 | bellard | { |
985 | 5391d806 | bellard | int format, msf, start_track, len;
|
986 | 5391d806 | bellard | |
987 | 5391d806 | bellard | if (!s->bs) {
|
988 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
989 | 5391d806 | bellard | ASC_MEDIUM_NOT_PRESENT); |
990 | 5391d806 | bellard | break;
|
991 | 5391d806 | bellard | } |
992 | 5391d806 | bellard | max_len = ube16_to_cpu(packet + 7);
|
993 | 5391d806 | bellard | format = packet[9] >> 6; |
994 | 5391d806 | bellard | msf = (packet[1] >> 1) & 1; |
995 | 5391d806 | bellard | start_track = packet[6];
|
996 | 5391d806 | bellard | switch(format) {
|
997 | 5391d806 | bellard | case 0: |
998 | 5391d806 | bellard | len = cdrom_read_toc(s, buf, msf, start_track); |
999 | 5391d806 | bellard | if (len < 0) |
1000 | 5391d806 | bellard | goto error_cmd;
|
1001 | 5391d806 | bellard | ide_atapi_cmd_reply(s, len, max_len); |
1002 | 5391d806 | bellard | break;
|
1003 | 5391d806 | bellard | case 1: |
1004 | 5391d806 | bellard | /* multi session : only a single session defined */
|
1005 | 5391d806 | bellard | memset(buf, 0, 12); |
1006 | 5391d806 | bellard | buf[1] = 0x0a; |
1007 | 5391d806 | bellard | buf[2] = 0x01; |
1008 | 5391d806 | bellard | buf[3] = 0x01; |
1009 | 5391d806 | bellard | ide_atapi_cmd_reply(s, 12, max_len);
|
1010 | 5391d806 | bellard | break;
|
1011 | 5391d806 | bellard | default:
|
1012 | 5391d806 | bellard | goto error_cmd;
|
1013 | 5391d806 | bellard | } |
1014 | 5391d806 | bellard | } |
1015 | 5391d806 | bellard | break;
|
1016 | 5391d806 | bellard | case GPCMD_READ_CDVD_CAPACITY:
|
1017 | 5391d806 | bellard | if (!s->bs) {
|
1018 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_NOT_READY, |
1019 | 5391d806 | bellard | ASC_MEDIUM_NOT_PRESENT); |
1020 | 5391d806 | bellard | break;
|
1021 | 5391d806 | bellard | } |
1022 | 5391d806 | bellard | /* NOTE: it is really the number of sectors minus 1 */
|
1023 | 5391d806 | bellard | cpu_to_ube32(buf, (s->nb_sectors >> 2) - 1); |
1024 | 5391d806 | bellard | cpu_to_ube32(buf + 4, 2048); |
1025 | 5391d806 | bellard | ide_atapi_cmd_reply(s, 8, 8); |
1026 | 5391d806 | bellard | break;
|
1027 | bd0d90b2 | bellard | case GPCMD_INQUIRY:
|
1028 | bd0d90b2 | bellard | max_len = packet[4];
|
1029 | bd0d90b2 | bellard | buf[0] = 0x05; /* CD-ROM */ |
1030 | bd0d90b2 | bellard | buf[1] = 0x80; /* removable */ |
1031 | bd0d90b2 | bellard | buf[2] = 0x00; /* ISO */ |
1032 | bd0d90b2 | bellard | buf[3] = 0x21; /* ATAPI-2 (XXX: put ATAPI-4 ?) */ |
1033 | bd0d90b2 | bellard | buf[4] = 31; /* additionnal length */ |
1034 | bd0d90b2 | bellard | buf[5] = 0; /* reserved */ |
1035 | bd0d90b2 | bellard | buf[6] = 0; /* reserved */ |
1036 | bd0d90b2 | bellard | buf[7] = 0; /* reserved */ |
1037 | bd0d90b2 | bellard | padstr8(buf + 8, 8, "QEMU"); |
1038 | bd0d90b2 | bellard | padstr8(buf + 16, 16, "QEMU CD-ROM"); |
1039 | bd0d90b2 | bellard | padstr8(buf + 32, 4, QEMU_VERSION); |
1040 | bd0d90b2 | bellard | ide_atapi_cmd_reply(s, 36, max_len);
|
1041 | bd0d90b2 | bellard | break;
|
1042 | 5391d806 | bellard | default:
|
1043 | 5391d806 | bellard | error_cmd:
|
1044 | 5391d806 | bellard | ide_atapi_cmd_error(s, SENSE_ILLEGAL_REQUEST, |
1045 | 5391d806 | bellard | ASC_INV_FIELD_IN_CMD_PACKET); |
1046 | 5391d806 | bellard | break;
|
1047 | 5391d806 | bellard | } |
1048 | 5391d806 | bellard | } |
1049 | 5391d806 | bellard | |
1050 | 7138fcfb | bellard | static void ide_ioport_write(CPUState *env, uint32_t addr, uint32_t val) |
1051 | 5391d806 | bellard | { |
1052 | 5391d806 | bellard | IDEState *ide_if = get_ide_interface(addr); |
1053 | 5391d806 | bellard | IDEState *s = ide_if->cur_drive; |
1054 | 5391d806 | bellard | int unit, n;
|
1055 | 5391d806 | bellard | |
1056 | 5391d806 | bellard | #ifdef DEBUG_IDE
|
1057 | 5391d806 | bellard | printf("IDE: write addr=0x%x val=0x%02x\n", addr, val);
|
1058 | 5391d806 | bellard | #endif
|
1059 | 5391d806 | bellard | addr &= 7;
|
1060 | 5391d806 | bellard | switch(addr) {
|
1061 | 5391d806 | bellard | case 0: |
1062 | 5391d806 | bellard | break;
|
1063 | 5391d806 | bellard | case 1: |
1064 | 5391d806 | bellard | s->feature = val; |
1065 | 5391d806 | bellard | break;
|
1066 | 5391d806 | bellard | case 2: |
1067 | 5391d806 | bellard | if (val == 0) |
1068 | 5391d806 | bellard | val = 256;
|
1069 | 5391d806 | bellard | s->nsector = val; |
1070 | 5391d806 | bellard | break;
|
1071 | 5391d806 | bellard | case 3: |
1072 | 5391d806 | bellard | s->sector = val; |
1073 | 5391d806 | bellard | break;
|
1074 | 5391d806 | bellard | case 4: |
1075 | 5391d806 | bellard | s->lcyl = val; |
1076 | 5391d806 | bellard | break;
|
1077 | 5391d806 | bellard | case 5: |
1078 | 5391d806 | bellard | s->hcyl = val; |
1079 | 5391d806 | bellard | break;
|
1080 | 5391d806 | bellard | case 6: |
1081 | 5391d806 | bellard | /* select drive */
|
1082 | 5391d806 | bellard | unit = (val >> 4) & 1; |
1083 | 5391d806 | bellard | s = ide_if + unit; |
1084 | 5391d806 | bellard | ide_if->cur_drive = s; |
1085 | 5391d806 | bellard | s->select = val; |
1086 | 5391d806 | bellard | break;
|
1087 | 5391d806 | bellard | default:
|
1088 | 5391d806 | bellard | case 7: |
1089 | 5391d806 | bellard | /* command */
|
1090 | 5391d806 | bellard | #if defined(DEBUG_IDE)
|
1091 | 5391d806 | bellard | printf("ide: CMD=%02x\n", val);
|
1092 | 5391d806 | bellard | #endif
|
1093 | 5391d806 | bellard | switch(val) {
|
1094 | 5391d806 | bellard | case WIN_IDENTIFY:
|
1095 | 5391d806 | bellard | if (s->bs && !s->is_cdrom) {
|
1096 | 5391d806 | bellard | ide_identify(s); |
1097 | 5391d806 | bellard | s->status = READY_STAT; |
1098 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
1099 | 5391d806 | bellard | } else {
|
1100 | 5391d806 | bellard | if (s->is_cdrom) {
|
1101 | 5391d806 | bellard | ide_set_signature(s); |
1102 | 5391d806 | bellard | } |
1103 | 5391d806 | bellard | ide_abort_command(s); |
1104 | 5391d806 | bellard | } |
1105 | 5391d806 | bellard | ide_set_irq(s); |
1106 | 5391d806 | bellard | break;
|
1107 | 5391d806 | bellard | case WIN_SPECIFY:
|
1108 | 5391d806 | bellard | case WIN_RECAL:
|
1109 | 5391d806 | bellard | s->status = READY_STAT; |
1110 | 5391d806 | bellard | ide_set_irq(s); |
1111 | 5391d806 | bellard | break;
|
1112 | 5391d806 | bellard | case WIN_SETMULT:
|
1113 | 5391d806 | bellard | if (s->nsector > MAX_MULT_SECTORS ||
|
1114 | 5391d806 | bellard | s->nsector == 0 ||
|
1115 | 5391d806 | bellard | (s->nsector & (s->nsector - 1)) != 0) { |
1116 | 5391d806 | bellard | ide_abort_command(s); |
1117 | 5391d806 | bellard | } else {
|
1118 | 5391d806 | bellard | s->mult_sectors = s->nsector; |
1119 | 5391d806 | bellard | s->status = READY_STAT; |
1120 | 5391d806 | bellard | } |
1121 | 5391d806 | bellard | ide_set_irq(s); |
1122 | 5391d806 | bellard | break;
|
1123 | 4ce900b4 | bellard | case WIN_VERIFY:
|
1124 | 4ce900b4 | bellard | case WIN_VERIFY_ONCE:
|
1125 | 4ce900b4 | bellard | /* do sector number check ? */
|
1126 | 4ce900b4 | bellard | s->status = READY_STAT; |
1127 | 4ce900b4 | bellard | ide_set_irq(s); |
1128 | 4ce900b4 | bellard | break;
|
1129 | 5391d806 | bellard | case WIN_READ:
|
1130 | 5391d806 | bellard | case WIN_READ_ONCE:
|
1131 | 6b136f9e | bellard | if (!s->bs)
|
1132 | 6b136f9e | bellard | goto abort_cmd;
|
1133 | 5391d806 | bellard | s->req_nb_sectors = 1;
|
1134 | 5391d806 | bellard | ide_sector_read(s); |
1135 | 5391d806 | bellard | break;
|
1136 | 5391d806 | bellard | case WIN_WRITE:
|
1137 | 5391d806 | bellard | case WIN_WRITE_ONCE:
|
1138 | 5391d806 | bellard | s->status = SEEK_STAT; |
1139 | 5391d806 | bellard | s->req_nb_sectors = 1;
|
1140 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer, 512, ide_sector_write);
|
1141 | 5391d806 | bellard | break;
|
1142 | 5391d806 | bellard | case WIN_MULTREAD:
|
1143 | 5391d806 | bellard | if (!s->mult_sectors)
|
1144 | 5391d806 | bellard | goto abort_cmd;
|
1145 | 5391d806 | bellard | s->req_nb_sectors = s->mult_sectors; |
1146 | 5391d806 | bellard | ide_sector_read(s); |
1147 | 5391d806 | bellard | break;
|
1148 | 5391d806 | bellard | case WIN_MULTWRITE:
|
1149 | 5391d806 | bellard | if (!s->mult_sectors)
|
1150 | 5391d806 | bellard | goto abort_cmd;
|
1151 | 5391d806 | bellard | s->status = SEEK_STAT; |
1152 | 5391d806 | bellard | s->req_nb_sectors = s->mult_sectors; |
1153 | 5391d806 | bellard | n = s->nsector; |
1154 | 5391d806 | bellard | if (n > s->req_nb_sectors)
|
1155 | 5391d806 | bellard | n = s->req_nb_sectors; |
1156 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer, 512 * n, ide_sector_write);
|
1157 | 5391d806 | bellard | break;
|
1158 | 5391d806 | bellard | case WIN_READ_NATIVE_MAX:
|
1159 | 5391d806 | bellard | ide_set_sector(s, s->nb_sectors - 1);
|
1160 | 5391d806 | bellard | s->status = READY_STAT; |
1161 | 5391d806 | bellard | ide_set_irq(s); |
1162 | 5391d806 | bellard | break;
|
1163 | 5391d806 | bellard | |
1164 | 5391d806 | bellard | /* ATAPI commands */
|
1165 | 5391d806 | bellard | case WIN_PIDENTIFY:
|
1166 | 5391d806 | bellard | if (s->is_cdrom) {
|
1167 | 5391d806 | bellard | ide_atapi_identify(s); |
1168 | 5391d806 | bellard | s->status = READY_STAT; |
1169 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer, 512, ide_transfer_stop);
|
1170 | 5391d806 | bellard | } else {
|
1171 | 5391d806 | bellard | ide_abort_command(s); |
1172 | 5391d806 | bellard | } |
1173 | 5391d806 | bellard | ide_set_irq(s); |
1174 | 5391d806 | bellard | break;
|
1175 | 5391d806 | bellard | case WIN_SRST:
|
1176 | 5391d806 | bellard | if (!s->is_cdrom)
|
1177 | 5391d806 | bellard | goto abort_cmd;
|
1178 | 5391d806 | bellard | ide_set_signature(s); |
1179 | 6b136f9e | bellard | s->status = 0x00; /* NOTE: READY is _not_ set */ |
1180 | 5391d806 | bellard | s->error = 0x01;
|
1181 | 5391d806 | bellard | break;
|
1182 | 5391d806 | bellard | case WIN_PACKETCMD:
|
1183 | 5391d806 | bellard | if (!s->is_cdrom)
|
1184 | 5391d806 | bellard | goto abort_cmd;
|
1185 | 5391d806 | bellard | /* DMA or overlapping commands not supported */
|
1186 | 5391d806 | bellard | if ((s->feature & 0x03) != 0) |
1187 | 5391d806 | bellard | goto abort_cmd;
|
1188 | 5391d806 | bellard | s->nsector = 1;
|
1189 | 5391d806 | bellard | ide_transfer_start(s, s->io_buffer, ATAPI_PACKET_SIZE, |
1190 | 5391d806 | bellard | ide_atapi_cmd); |
1191 | 5391d806 | bellard | break;
|
1192 | 5391d806 | bellard | default:
|
1193 | 5391d806 | bellard | abort_cmd:
|
1194 | 5391d806 | bellard | ide_abort_command(s); |
1195 | 5391d806 | bellard | ide_set_irq(s); |
1196 | 5391d806 | bellard | break;
|
1197 | 5391d806 | bellard | } |
1198 | 5391d806 | bellard | } |
1199 | 5391d806 | bellard | } |
1200 | 5391d806 | bellard | |
1201 | 7138fcfb | bellard | static uint32_t ide_ioport_read(CPUState *env, uint32_t addr1)
|
1202 | 5391d806 | bellard | { |
1203 | 5391d806 | bellard | IDEState *s = get_ide_interface(addr1)->cur_drive; |
1204 | 5391d806 | bellard | uint32_t addr; |
1205 | 5391d806 | bellard | int ret;
|
1206 | 5391d806 | bellard | |
1207 | 5391d806 | bellard | addr = addr1 & 7;
|
1208 | 5391d806 | bellard | switch(addr) {
|
1209 | 5391d806 | bellard | case 0: |
1210 | 5391d806 | bellard | ret = 0xff;
|
1211 | 5391d806 | bellard | break;
|
1212 | 5391d806 | bellard | case 1: |
1213 | 5391d806 | bellard | ret = s->error; |
1214 | 5391d806 | bellard | break;
|
1215 | 5391d806 | bellard | case 2: |
1216 | 5391d806 | bellard | ret = s->nsector & 0xff;
|
1217 | 5391d806 | bellard | break;
|
1218 | 5391d806 | bellard | case 3: |
1219 | 5391d806 | bellard | ret = s->sector; |
1220 | 5391d806 | bellard | break;
|
1221 | 5391d806 | bellard | case 4: |
1222 | 5391d806 | bellard | ret = s->lcyl; |
1223 | 5391d806 | bellard | break;
|
1224 | 5391d806 | bellard | case 5: |
1225 | 5391d806 | bellard | ret = s->hcyl; |
1226 | 5391d806 | bellard | break;
|
1227 | 5391d806 | bellard | case 6: |
1228 | 5391d806 | bellard | ret = s->select; |
1229 | 5391d806 | bellard | break;
|
1230 | 5391d806 | bellard | default:
|
1231 | 5391d806 | bellard | case 7: |
1232 | 5391d806 | bellard | ret = s->status; |
1233 | 5391d806 | bellard | pic_set_irq(s->irq, 0);
|
1234 | 5391d806 | bellard | break;
|
1235 | 5391d806 | bellard | } |
1236 | 5391d806 | bellard | #ifdef DEBUG_IDE
|
1237 | 5391d806 | bellard | printf("ide: read addr=0x%x val=%02x\n", addr1, ret);
|
1238 | 5391d806 | bellard | #endif
|
1239 | 5391d806 | bellard | return ret;
|
1240 | 5391d806 | bellard | } |
1241 | 5391d806 | bellard | |
1242 | 7138fcfb | bellard | static uint32_t ide_status_read(CPUState *env, uint32_t addr)
|
1243 | 5391d806 | bellard | { |
1244 | 5391d806 | bellard | IDEState *s = get_ide_interface(addr)->cur_drive; |
1245 | 5391d806 | bellard | int ret;
|
1246 | 5391d806 | bellard | ret = s->status; |
1247 | 5391d806 | bellard | #ifdef DEBUG_IDE
|
1248 | 5391d806 | bellard | printf("ide: read status addr=0x%x val=%02x\n", addr, ret);
|
1249 | 5391d806 | bellard | #endif
|
1250 | 5391d806 | bellard | return ret;
|
1251 | 5391d806 | bellard | } |
1252 | 5391d806 | bellard | |
1253 | 7138fcfb | bellard | static void ide_cmd_write(CPUState *env, uint32_t addr, uint32_t val) |
1254 | 5391d806 | bellard | { |
1255 | 5391d806 | bellard | IDEState *ide_if = get_ide_interface(addr); |
1256 | 5391d806 | bellard | IDEState *s; |
1257 | 5391d806 | bellard | int i;
|
1258 | 5391d806 | bellard | |
1259 | 5391d806 | bellard | #ifdef DEBUG_IDE
|
1260 | 5391d806 | bellard | printf("ide: write control addr=0x%x val=%02x\n", addr, val);
|
1261 | 5391d806 | bellard | #endif
|
1262 | 5391d806 | bellard | /* common for both drives */
|
1263 | 5391d806 | bellard | if (!(ide_if[0].cmd & IDE_CMD_RESET) && |
1264 | 5391d806 | bellard | (val & IDE_CMD_RESET)) { |
1265 | 5391d806 | bellard | /* reset low to high */
|
1266 | 5391d806 | bellard | for(i = 0;i < 2; i++) { |
1267 | 5391d806 | bellard | s = &ide_if[i]; |
1268 | 5391d806 | bellard | s->status = BUSY_STAT | SEEK_STAT; |
1269 | 5391d806 | bellard | s->error = 0x01;
|
1270 | 5391d806 | bellard | } |
1271 | 5391d806 | bellard | } else if ((ide_if[0].cmd & IDE_CMD_RESET) && |
1272 | 5391d806 | bellard | !(val & IDE_CMD_RESET)) { |
1273 | 5391d806 | bellard | /* high to low */
|
1274 | 5391d806 | bellard | for(i = 0;i < 2; i++) { |
1275 | 5391d806 | bellard | s = &ide_if[i]; |
1276 | 6b136f9e | bellard | if (s->is_cdrom)
|
1277 | 6b136f9e | bellard | s->status = 0x00; /* NOTE: READY is _not_ set */ |
1278 | 6b136f9e | bellard | else
|
1279 | 6b136f9e | bellard | s->status = READY_STAT; |
1280 | 5391d806 | bellard | ide_set_signature(s); |
1281 | 5391d806 | bellard | } |
1282 | 5391d806 | bellard | } |
1283 | 5391d806 | bellard | |
1284 | 5391d806 | bellard | ide_if[0].cmd = val;
|
1285 | 5391d806 | bellard | ide_if[1].cmd = val;
|
1286 | 5391d806 | bellard | } |
1287 | 5391d806 | bellard | |
1288 | 7138fcfb | bellard | static void ide_data_writew(CPUState *env, uint32_t addr, uint32_t val) |
1289 | 5391d806 | bellard | { |
1290 | 5391d806 | bellard | IDEState *s = get_ide_interface(addr)->cur_drive; |
1291 | 5391d806 | bellard | uint8_t *p; |
1292 | 5391d806 | bellard | |
1293 | 5391d806 | bellard | p = s->data_ptr; |
1294 | 5391d806 | bellard | *(uint16_t *)p = tswap16(val); |
1295 | 5391d806 | bellard | p += 2;
|
1296 | 5391d806 | bellard | s->data_ptr = p; |
1297 | 5391d806 | bellard | if (p >= s->data_end)
|
1298 | 5391d806 | bellard | s->end_transfer_func(s); |
1299 | 5391d806 | bellard | } |
1300 | 5391d806 | bellard | |
1301 | 7138fcfb | bellard | static uint32_t ide_data_readw(CPUState *env, uint32_t addr)
|
1302 | 5391d806 | bellard | { |
1303 | 5391d806 | bellard | IDEState *s = get_ide_interface(addr)->cur_drive; |
1304 | 5391d806 | bellard | uint8_t *p; |
1305 | 5391d806 | bellard | int ret;
|
1306 | 5391d806 | bellard | p = s->data_ptr; |
1307 | 5391d806 | bellard | ret = tswap16(*(uint16_t *)p); |
1308 | 5391d806 | bellard | p += 2;
|
1309 | 5391d806 | bellard | s->data_ptr = p; |
1310 | 5391d806 | bellard | if (p >= s->data_end)
|
1311 | 5391d806 | bellard | s->end_transfer_func(s); |
1312 | 5391d806 | bellard | return ret;
|
1313 | 5391d806 | bellard | } |
1314 | 5391d806 | bellard | |
1315 | 7138fcfb | bellard | static void ide_data_writel(CPUState *env, uint32_t addr, uint32_t val) |
1316 | 5391d806 | bellard | { |
1317 | 5391d806 | bellard | IDEState *s = get_ide_interface(addr)->cur_drive; |
1318 | 5391d806 | bellard | uint8_t *p; |
1319 | 5391d806 | bellard | |
1320 | 5391d806 | bellard | p = s->data_ptr; |
1321 | 5391d806 | bellard | *(uint32_t *)p = tswap32(val); |
1322 | 5391d806 | bellard | p += 4;
|
1323 | 5391d806 | bellard | s->data_ptr = p; |
1324 | 5391d806 | bellard | if (p >= s->data_end)
|
1325 | 5391d806 | bellard | s->end_transfer_func(s); |
1326 | 5391d806 | bellard | } |
1327 | 5391d806 | bellard | |
1328 | 7138fcfb | bellard | static uint32_t ide_data_readl(CPUState *env, uint32_t addr)
|
1329 | 5391d806 | bellard | { |
1330 | 5391d806 | bellard | IDEState *s = get_ide_interface(addr)->cur_drive; |
1331 | 5391d806 | bellard | uint8_t *p; |
1332 | 5391d806 | bellard | int ret;
|
1333 | 5391d806 | bellard | |
1334 | 5391d806 | bellard | p = s->data_ptr; |
1335 | 5391d806 | bellard | ret = tswap32(*(uint32_t *)p); |
1336 | 5391d806 | bellard | p += 4;
|
1337 | 5391d806 | bellard | s->data_ptr = p; |
1338 | 5391d806 | bellard | if (p >= s->data_end)
|
1339 | 5391d806 | bellard | s->end_transfer_func(s); |
1340 | 5391d806 | bellard | return ret;
|
1341 | 5391d806 | bellard | } |
1342 | 5391d806 | bellard | |
1343 | 5391d806 | bellard | static void ide_reset(IDEState *s) |
1344 | 5391d806 | bellard | { |
1345 | 5391d806 | bellard | s->mult_sectors = MAX_MULT_SECTORS; |
1346 | 5391d806 | bellard | s->cur_drive = s; |
1347 | 5391d806 | bellard | s->select = 0xa0;
|
1348 | 5391d806 | bellard | s->status = READY_STAT; |
1349 | 5391d806 | bellard | ide_set_signature(s); |
1350 | 5391d806 | bellard | } |
1351 | 5391d806 | bellard | |
1352 | 5391d806 | bellard | struct partition {
|
1353 | 5391d806 | bellard | uint8_t boot_ind; /* 0x80 - active */
|
1354 | 5391d806 | bellard | uint8_t head; /* starting head */
|
1355 | 5391d806 | bellard | uint8_t sector; /* starting sector */
|
1356 | 5391d806 | bellard | uint8_t cyl; /* starting cylinder */
|
1357 | 5391d806 | bellard | uint8_t sys_ind; /* What partition type */
|
1358 | 5391d806 | bellard | uint8_t end_head; /* end head */
|
1359 | 5391d806 | bellard | uint8_t end_sector; /* end sector */
|
1360 | 5391d806 | bellard | uint8_t end_cyl; /* end cylinder */
|
1361 | 5391d806 | bellard | uint32_t start_sect; /* starting sector counting from 0 */
|
1362 | 5391d806 | bellard | uint32_t nr_sects; /* nr of sectors in partition */
|
1363 | 5391d806 | bellard | } __attribute__((packed)); |
1364 | 5391d806 | bellard | |
1365 | 5391d806 | bellard | /* try to guess the IDE geometry from the MSDOS partition table */
|
1366 | 5391d806 | bellard | static void ide_guess_geometry(IDEState *s) |
1367 | 5391d806 | bellard | { |
1368 | 5391d806 | bellard | uint8_t buf[512];
|
1369 | 5391d806 | bellard | int ret, i;
|
1370 | 5391d806 | bellard | struct partition *p;
|
1371 | 5391d806 | bellard | uint32_t nr_sects; |
1372 | 5391d806 | bellard | |
1373 | 5391d806 | bellard | if (s->cylinders != 0) |
1374 | 5391d806 | bellard | return;
|
1375 | 5391d806 | bellard | ret = bdrv_read(s->bs, 0, buf, 1); |
1376 | 5391d806 | bellard | if (ret < 0) |
1377 | 5391d806 | bellard | return;
|
1378 | 5391d806 | bellard | /* test msdos magic */
|
1379 | 5391d806 | bellard | if (buf[510] != 0x55 || buf[511] != 0xaa) |
1380 | 5391d806 | bellard | return;
|
1381 | 5391d806 | bellard | for(i = 0; i < 4; i++) { |
1382 | 5391d806 | bellard | p = ((struct partition *)(buf + 0x1be)) + i; |
1383 | 5391d806 | bellard | nr_sects = tswap32(p->nr_sects); |
1384 | 5391d806 | bellard | if (nr_sects && p->end_head) {
|
1385 | 5391d806 | bellard | /* We make the assumption that the partition terminates on
|
1386 | 5391d806 | bellard | a cylinder boundary */
|
1387 | 5391d806 | bellard | s->heads = p->end_head + 1;
|
1388 | 5391d806 | bellard | s->sectors = p->end_sector & 63;
|
1389 | 5391d806 | bellard | s->cylinders = s->nb_sectors / (s->heads * s->sectors); |
1390 | 5391d806 | bellard | #if 0
|
1391 | 5391d806 | bellard | printf("guessed partition: CHS=%d %d %d\n",
|
1392 | 5391d806 | bellard | s->cylinders, s->heads, s->sectors);
|
1393 | 5391d806 | bellard | #endif
|
1394 | 5391d806 | bellard | } |
1395 | 5391d806 | bellard | } |
1396 | 5391d806 | bellard | } |
1397 | 5391d806 | bellard | |
1398 | 5391d806 | bellard | void ide_init(void) |
1399 | 5391d806 | bellard | { |
1400 | 5391d806 | bellard | IDEState *s; |
1401 | 5391d806 | bellard | int i, cylinders, iobase, iobase2;
|
1402 | 5391d806 | bellard | int64_t nb_sectors; |
1403 | 5391d806 | bellard | static const int ide_iobase[2] = { 0x1f0, 0x170 }; |
1404 | 5391d806 | bellard | static const int ide_iobase2[2] = { 0x3f6, 0x376 }; |
1405 | 5391d806 | bellard | static const int ide_irq[2] = { 14, 15 }; |
1406 | 5391d806 | bellard | |
1407 | 5391d806 | bellard | for(i = 0; i < MAX_DISKS; i++) { |
1408 | 5391d806 | bellard | s = &ide_state[i]; |
1409 | 5391d806 | bellard | s->bs = bs_table[i]; |
1410 | 5391d806 | bellard | if (s->bs) {
|
1411 | 5391d806 | bellard | bdrv_get_geometry(s->bs, &nb_sectors); |
1412 | 5391d806 | bellard | s->nb_sectors = nb_sectors; |
1413 | 5391d806 | bellard | ide_guess_geometry(s); |
1414 | 5391d806 | bellard | if (s->cylinders == 0) { |
1415 | 5391d806 | bellard | /* if no geometry, use a LBA compatible one */
|
1416 | 5391d806 | bellard | cylinders = nb_sectors / (16 * 63); |
1417 | 5391d806 | bellard | if (cylinders > 16383) |
1418 | 5391d806 | bellard | cylinders = 16383;
|
1419 | 5391d806 | bellard | else if (cylinders < 2) |
1420 | 5391d806 | bellard | cylinders = 2;
|
1421 | 5391d806 | bellard | s->cylinders = cylinders; |
1422 | 5391d806 | bellard | s->heads = 16;
|
1423 | 5391d806 | bellard | s->sectors = 63;
|
1424 | 5391d806 | bellard | } |
1425 | 5391d806 | bellard | } |
1426 | 5391d806 | bellard | s->irq = ide_irq[i >> 1];
|
1427 | 5391d806 | bellard | ide_reset(s); |
1428 | 5391d806 | bellard | } |
1429 | 5391d806 | bellard | for(i = 0; i < (MAX_DISKS / 2); i++) { |
1430 | 5391d806 | bellard | iobase = ide_iobase[i]; |
1431 | 5391d806 | bellard | iobase2 = ide_iobase2[i]; |
1432 | 5391d806 | bellard | ide_table[iobase >> 3] = &ide_state[2 * i]; |
1433 | 5391d806 | bellard | if (ide_iobase2[i])
|
1434 | 5391d806 | bellard | ide_table[iobase2 >> 3] = &ide_state[2 * i]; |
1435 | 5391d806 | bellard | register_ioport_write(iobase, 8, ide_ioport_write, 1); |
1436 | 5391d806 | bellard | register_ioport_read(iobase, 8, ide_ioport_read, 1); |
1437 | 5391d806 | bellard | register_ioport_read(iobase2, 1, ide_status_read, 1); |
1438 | 5391d806 | bellard | register_ioport_write(iobase2, 1, ide_cmd_write, 1); |
1439 | 5391d806 | bellard | |
1440 | 5391d806 | bellard | /* data ports */
|
1441 | 5391d806 | bellard | register_ioport_write(iobase, 2, ide_data_writew, 2); |
1442 | 5391d806 | bellard | register_ioport_read(iobase, 2, ide_data_readw, 2); |
1443 | 5391d806 | bellard | register_ioport_write(iobase, 4, ide_data_writel, 4); |
1444 | 5391d806 | bellard | register_ioport_read(iobase, 4, ide_data_readl, 4); |
1445 | 5391d806 | bellard | } |
1446 | 5391d806 | bellard | } |
1447 | 5391d806 | bellard | |
1448 | 5391d806 | bellard | void ide_set_geometry(int n, int cyls, int heads, int secs) |
1449 | 5391d806 | bellard | { |
1450 | 5391d806 | bellard | ide_state[n].cylinders = cyls; |
1451 | 5391d806 | bellard | ide_state[n].heads = heads; |
1452 | 5391d806 | bellard | ide_state[n].sectors = secs; |
1453 | 5391d806 | bellard | } |
1454 | 5391d806 | bellard | |
1455 | 5391d806 | bellard | void ide_set_cdrom(int n, int is_cdrom) |
1456 | 5391d806 | bellard | { |
1457 | 5391d806 | bellard | ide_state[n].is_cdrom = is_cdrom; |
1458 | 5391d806 | bellard | } |