| 1 | ; Project name : XTIDE Universal BIOS
|
|---|
| 2 | ; Description : Command and port direction functions for different device types.
|
|---|
| 3 |
|
|---|
| 4 | ;
|
|---|
| 5 | ; XTIDE Universal BIOS and Associated Tools
|
|---|
| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
|
|---|
| 7 | ;
|
|---|
| 8 | ; This program is free software; you can redistribute it and/or modify
|
|---|
| 9 | ; it under the terms of the GNU General Public License as published by
|
|---|
| 10 | ; the Free Software Foundation; either version 2 of the License, or
|
|---|
| 11 | ; (at your option) any later version.
|
|---|
| 12 | ;
|
|---|
| 13 | ; This program is distributed in the hope that it will be useful,
|
|---|
| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 16 | ; GNU General Public License for more details.
|
|---|
| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|---|
| 18 | ;
|
|---|
| 19 |
|
|---|
| 20 | ; Section containing code
|
|---|
| 21 | SECTION .text
|
|---|
| 22 |
|
|---|
| 23 |
|
|---|
| 24 | %macro TEST_USING_DPT_AND_JUMP_IF_SERIAL_DEVICE 1
|
|---|
| 25 | test BYTE [di+DPT.bFlagsHigh], FLGH_DPT_SERIAL_DEVICE
|
|---|
| 26 | jnz SHORT %1
|
|---|
| 27 | %endmacro
|
|---|
| 28 |
|
|---|
| 29 | %macro CMP_USING_DPT_AND_JUMP_IF_JRIDE_DEVICE 1
|
|---|
| 30 | xchg ax, bx
|
|---|
| 31 | eMOVZX bx, [di+DPT.bIdevarsOffset]
|
|---|
| 32 | cmp BYTE [cs:bx+IDEVARS.bDevice], DEVICE_JRIDE_ISA
|
|---|
| 33 | xchg bx, ax ; Restore BX
|
|---|
| 34 | je SHORT %1
|
|---|
| 35 | %endmacro
|
|---|
| 36 |
|
|---|
| 37 | %macro CMP_USING_IDEVARS_IN_CSBP_AND_JUMP_IF 2
|
|---|
| 38 | cmp BYTE [cs:bp+IDEVARS.bDevice], %1
|
|---|
| 39 | je SHORT %2
|
|---|
| 40 | %endmacro
|
|---|
| 41 |
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 | ;--------------------------------------------------------------------
|
|---|
| 45 | ; Device_FinalizeDPT
|
|---|
| 46 | ; Parameters:
|
|---|
| 47 | ; DS:DI: Ptr to Disk Parameter Table
|
|---|
| 48 | ; ES:SI: Ptr to 512-byte ATA information read from the drive
|
|---|
| 49 | ; CS:BP: Ptr to IDEVARS for the controller
|
|---|
| 50 | ; Returns:
|
|---|
| 51 | ; Nothing
|
|---|
| 52 | ; Corrupts registers:
|
|---|
| 53 | ; AX, BX, CX, DX
|
|---|
| 54 | ;--------------------------------------------------------------------
|
|---|
| 55 | %ifdef MODULE_SERIAL
|
|---|
| 56 | Device_FinalizeDPT:
|
|---|
| 57 | ; needs to check IDEVARS vs. checking the DPT as the serial bit in the DPT is set in the Finalize routine
|
|---|
| 58 | CMP_USING_IDEVARS_IN_CSBP_AND_JUMP_IF DEVICE_SERIAL_PORT, .FinalizeDptForSerialPortDevice
|
|---|
| 59 | jmp IdeDPT_Finalize
|
|---|
| 60 | .FinalizeDptForSerialPortDevice:
|
|---|
| 61 | jmp SerialDPT_Finalize
|
|---|
| 62 |
|
|---|
| 63 | %else ; IDE or JR-IDE/ISA
|
|---|
| 64 | Device_FinalizeDPT EQU IdeDPT_Finalize
|
|---|
| 65 | %endif
|
|---|
| 66 |
|
|---|
| 67 |
|
|---|
| 68 | ;--------------------------------------------------------------------
|
|---|
| 69 | ; Device_ResetMasterAndSlaveController
|
|---|
| 70 | ; Parameters:
|
|---|
| 71 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
|
|---|
| 72 | ; Returns:
|
|---|
| 73 | ; AH: INT 13h Error Code
|
|---|
| 74 | ; CF: Cleared if success, Set if error
|
|---|
| 75 | ; Corrupts registers:
|
|---|
| 76 | ; AL, BX, CX, DX
|
|---|
| 77 | ;--------------------------------------------------------------------
|
|---|
| 78 | %ifdef MODULE_JRIDE
|
|---|
| 79 | %ifdef MODULE_SERIAL ; IDE + JR-IDE/ISA + Serial
|
|---|
| 80 | Device_ResetMasterAndSlaveController:
|
|---|
| 81 | TEST_USING_DPT_AND_JUMP_IF_SERIAL_DEVICE ReturnSuccessForSerialPort
|
|---|
| 82 | CMP_USING_DPT_AND_JUMP_IF_JRIDE_DEVICE .ResetJrIDE
|
|---|
| 83 | jmp IdeCommand_ResetMasterAndSlaveController
|
|---|
| 84 |
|
|---|
| 85 | %else ; IDE + JR-IDE/ISA
|
|---|
| 86 | Device_ResetMasterAndSlaveController:
|
|---|
| 87 | CMP_USING_DPT_AND_JUMP_IF_JRIDE_DEVICE .ResetJrIDE
|
|---|
| 88 | jmp IdeCommand_ResetMasterAndSlaveController
|
|---|
| 89 | %endif
|
|---|
| 90 |
|
|---|
| 91 | %elifdef MODULE_SERIAL ; IDE + Serial
|
|---|
| 92 | Device_ResetMasterAndSlaveController:
|
|---|
| 93 | TEST_USING_DPT_AND_JUMP_IF_SERIAL_DEVICE ReturnSuccessForSerialPort
|
|---|
| 94 | jmp IdeCommand_ResetMasterAndSlaveController
|
|---|
| 95 |
|
|---|
| 96 | %else ; IDE
|
|---|
| 97 | Device_ResetMasterAndSlaveController EQU IdeCommand_ResetMasterAndSlaveController
|
|---|
| 98 | %endif
|
|---|
| 99 |
|
|---|
| 100 | %ifdef MODULE_JRIDE
|
|---|
| 101 | .ResetJrIDE:
|
|---|
| 102 | jmp MemIdeCommand_ResetMasterAndSlaveController
|
|---|
| 103 | %endif
|
|---|
| 104 |
|
|---|
| 105 |
|
|---|
| 106 | ;--------------------------------------------------------------------
|
|---|
| 107 | ; Device_IdentifyToBufferInESSIwithDriveSelectByteInBH
|
|---|
| 108 | ; Parameters:
|
|---|
| 109 | ; BH: Drive Select byte for Drive and Head Select Register
|
|---|
| 110 | ; DS: Segment to RAMVARS
|
|---|
| 111 | ; ES:SI: Ptr to normalized buffer to receive 512-byte IDE Information
|
|---|
| 112 | ; CS:BP: Ptr to IDEVARS
|
|---|
| 113 | ; Returns:
|
|---|
| 114 | ; AH: INT 13h Error Code
|
|---|
| 115 | ; CF: Cleared if success, Set if error
|
|---|
| 116 | ; Corrupts registers:
|
|---|
| 117 | ; AL, BL, CX, DX, SI, DI, ES
|
|---|
| 118 | ;--------------------------------------------------------------------
|
|---|
| 119 | %ifdef MODULE_JRIDE
|
|---|
| 120 | %ifdef MODULE_SERIAL ; IDE + JR-IDE/ISA + Serial
|
|---|
| 121 | Device_IdentifyToBufferInESSIwithDriveSelectByteInBH:
|
|---|
| 122 | CMP_USING_IDEVARS_IN_CSBP_AND_JUMP_IF DEVICE_SERIAL_PORT, .IdentifyDriveFromSerialPort
|
|---|
| 123 | CMP_USING_IDEVARS_IN_CSBP_AND_JUMP_IF DEVICE_JRIDE_ISA, .IdentifyDriveFromJrIde
|
|---|
| 124 | jmp IdeCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
|
|---|
| 125 |
|
|---|
| 126 | %else ; IDE + JR-IDE/ISA
|
|---|
| 127 | Device_IdentifyToBufferInESSIwithDriveSelectByteInBH:
|
|---|
| 128 | CMP_USING_IDEVARS_IN_CSBP_AND_JUMP_IF DEVICE_JRIDE_ISA, .IdentifyDriveFromJrIde
|
|---|
| 129 | jmp IdeCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
|
|---|
| 130 | %endif
|
|---|
| 131 |
|
|---|
| 132 | %elifdef MODULE_SERIAL ; IDE + Serial
|
|---|
| 133 | Device_IdentifyToBufferInESSIwithDriveSelectByteInBH:
|
|---|
| 134 | CMP_USING_IDEVARS_IN_CSBP_AND_JUMP_IF DEVICE_SERIAL_PORT, .IdentifyDriveFromSerialPort
|
|---|
| 135 | jmp IdeCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
|
|---|
| 136 |
|
|---|
| 137 | %else ; IDE
|
|---|
| 138 | Device_IdentifyToBufferInESSIwithDriveSelectByteInBH EQU IdeCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
|
|---|
| 139 | %endif
|
|---|
| 140 |
|
|---|
| 141 | %ifdef MODULE_JRIDE
|
|---|
| 142 | .IdentifyDriveFromJrIde:
|
|---|
| 143 | jmp MemIdeCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
|
|---|
| 144 | %endif
|
|---|
| 145 |
|
|---|
| 146 | %ifdef MODULE_SERIAL
|
|---|
| 147 | .IdentifyDriveFromSerialPort:
|
|---|
| 148 | jmp SerialCommand_IdentifyDeviceToBufferInESSIwithDriveSelectByteInBH
|
|---|
| 149 | %endif
|
|---|
| 150 |
|
|---|
| 151 |
|
|---|
| 152 | ;--------------------------------------------------------------------
|
|---|
| 153 | ; Device_OutputCommandWithParameters
|
|---|
| 154 | ; Parameters:
|
|---|
| 155 | ; BH: Default system timer ticks for timeout (can be ignored)
|
|---|
| 156 | ; BL: IDE Status Register bit to poll after command
|
|---|
| 157 | ; ES:SI: Ptr to normalized buffer (for data transfer commands)
|
|---|
| 158 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
|
|---|
| 159 | ; SS:BP: Ptr to IDEPACK
|
|---|
| 160 | ; Returns:
|
|---|
| 161 | ; AH: INT 13h Error Code
|
|---|
| 162 | ; CX: Number of successfully transferred sectors (for transfer commands)
|
|---|
| 163 | ; CF: Cleared if success, Set if error
|
|---|
| 164 | ; Corrupts registers:
|
|---|
| 165 | ; AL, BX, (CX), DX, (ES:SI for data transfer commands)
|
|---|
| 166 | ;--------------------------------------------------------------------
|
|---|
| 167 | %ifdef MODULE_JRIDE
|
|---|
| 168 | %ifdef MODULE_SERIAL ; IDE + JR-IDE/ISA + Serial
|
|---|
| 169 | Device_OutputCommandWithParameters:
|
|---|
| 170 | TEST_USING_DPT_AND_JUMP_IF_SERIAL_DEVICE .OutputCommandToSerialPort
|
|---|
| 171 | CMP_USING_DPT_AND_JUMP_IF_JRIDE_DEVICE .OutputCommandToJrIDE
|
|---|
| 172 | jmp IdeCommand_OutputWithParameters
|
|---|
| 173 |
|
|---|
| 174 | %else ; IDE + JR-IDE/ISA
|
|---|
| 175 | Device_OutputCommandWithParameters:
|
|---|
| 176 | CMP_USING_DPT_AND_JUMP_IF_JRIDE_DEVICE .OutputCommandToJrIDE
|
|---|
| 177 | jmp IdeCommand_OutputWithParameters
|
|---|
| 178 | %endif
|
|---|
| 179 |
|
|---|
| 180 | %elifdef MODULE_SERIAL ; IDE + Serial
|
|---|
| 181 | Device_OutputCommandWithParameters:
|
|---|
| 182 | TEST_USING_DPT_AND_JUMP_IF_SERIAL_DEVICE .OutputCommandToSerialPort
|
|---|
| 183 | jmp IdeCommand_OutputWithParameters
|
|---|
| 184 |
|
|---|
| 185 | %else ; IDE
|
|---|
| 186 | Device_OutputCommandWithParameters EQU IdeCommand_OutputWithParameters
|
|---|
| 187 | %endif
|
|---|
| 188 |
|
|---|
| 189 | %ifdef MODULE_JRIDE
|
|---|
| 190 | ALIGN JUMP_ALIGN
|
|---|
| 191 | .OutputCommandToJrIDE:
|
|---|
| 192 | jmp MemIdeCommand_OutputWithParameters
|
|---|
| 193 | %endif
|
|---|
| 194 |
|
|---|
| 195 | %ifdef MODULE_SERIAL
|
|---|
| 196 | ALIGN JUMP_ALIGN
|
|---|
| 197 | .OutputCommandToSerialPort:
|
|---|
| 198 | jmp SerialCommand_OutputWithParameters
|
|---|
| 199 | %endif
|
|---|
| 200 |
|
|---|
| 201 |
|
|---|
| 202 | ;--------------------------------------------------------------------
|
|---|
| 203 | ; Device_SelectDrive
|
|---|
| 204 | ; Parameters:
|
|---|
| 205 | ; DS:DI: Ptr to DPT (in RAMVARS segment)
|
|---|
| 206 | ; SS:BP: Ptr to IDEPACK
|
|---|
| 207 | ; Returns:
|
|---|
| 208 | ; AH: INT 13h Error Code
|
|---|
| 209 | ; CF: Cleared if success, Set if error
|
|---|
| 210 | ; Corrupts registers:
|
|---|
| 211 | ; AL, BX, CX, DX
|
|---|
| 212 | ;--------------------------------------------------------------------
|
|---|
| 213 | %ifdef MODULE_JRIDE
|
|---|
| 214 | %ifdef MODULE_SERIAL ; IDE + JR-IDE/ISA + Serial
|
|---|
| 215 | Device_SelectDrive:
|
|---|
| 216 | TEST_USING_DPT_AND_JUMP_IF_SERIAL_DEVICE ReturnSuccessForSerialPort
|
|---|
| 217 | CMP_USING_DPT_AND_JUMP_IF_JRIDE_DEVICE .SelectJrIdeDrive
|
|---|
| 218 | jmp IdeCommand_SelectDrive
|
|---|
| 219 |
|
|---|
| 220 | %else ; IDE + JR-IDE/ISA
|
|---|
| 221 | Device_SelectDrive:
|
|---|
| 222 | CMP_USING_DPT_AND_JUMP_IF_JRIDE_DEVICE .SelectJrIdeDrive
|
|---|
| 223 | jmp IdeCommand_SelectDrive
|
|---|
| 224 | %endif
|
|---|
| 225 |
|
|---|
| 226 | %elifdef MODULE_SERIAL ; IDE + Serial
|
|---|
| 227 | Device_SelectDrive:
|
|---|
| 228 | TEST_USING_DPT_AND_JUMP_IF_SERIAL_DEVICE ReturnSuccessForSerialPort
|
|---|
| 229 | jmp IdeCommand_SelectDrive
|
|---|
| 230 |
|
|---|
| 231 | %else ; IDE
|
|---|
| 232 | Device_SelectDrive EQU IdeCommand_SelectDrive
|
|---|
| 233 | %endif
|
|---|
| 234 |
|
|---|
| 235 | %ifdef MODULE_JRIDE
|
|---|
| 236 | ALIGN JUMP_ALIGN
|
|---|
| 237 | .SelectJrIdeDrive:
|
|---|
| 238 | jmp MemIdeCommand_SelectDrive
|
|---|
| 239 | %endif
|
|---|
| 240 |
|
|---|
| 241 | %ifdef MODULE_SERIAL
|
|---|
| 242 | ALIGN JUMP_ALIGN
|
|---|
| 243 | ReturnSuccessForSerialPort:
|
|---|
| 244 | xor ax, ax
|
|---|
| 245 | ret
|
|---|
| 246 | %endif
|
|---|
