mirror of
https://github.com/ISpillMyDrink/OpenSuperClone.git
synced 2026-09-28 21:15:36 +00:00
469 lines
10 KiB
Plaintext
469 lines
10 KiB
Plaintext
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seti $printhelp = $printhelp
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seti $help = $help
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if $help = 1
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echo 'WD read ABA'
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if $printhelp = 1
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exit 0
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endif
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echo 'Hit ENTER to continue...'
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userinput $choicestring
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previousscript
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endif
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echo ""
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include good_subroutines.osc
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# set a blank string variable to compare with user input
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# make sure not to set this anyplace else
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sets $null = ""
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# set this to itself for use with the menu system
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# make sure not to set this anyplace else
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# if it was not previously set it will = 0
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seti $using_menu = $using_menu
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# set the file name to be read from
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while 1 = 1
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variablecheck $file
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if $error_level < 16
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seti $ask = 1
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elseif $using_menu = 1
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seti $ask = 1
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endif
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if $ask = 1
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echo "Enter file name:"
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userinput $choicestring
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if $choicestring != $null
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sets $file = $choicestring
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break
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else
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echo "Choice cannot be blank!"
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endif
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else
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break
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endif
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done
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sets $base_file_name = $file
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deletefile $file
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while 1 = 1
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echo "Enter ABA in decimal (0x for hex):"
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userinput $choicestring
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if $choicestring != $null
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seti $aba_to_translate = $choicestring 0
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break
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else
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echo "Choice cannot be blank!"
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endif
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done
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while 1 = 1
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echo "Enter sector count in decimal (0x for hex):"
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userinput $choicestring
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if $choicestring != $null
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seti $sector_count_to_read = $choicestring 0
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if $sector_count_to_read = 0
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echo "Choice cannot be zero!"
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else
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break
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endif
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else
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echo "Choice cannot be blank!"
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endif
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done
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while 1 = 1
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echo "Enter head in decimal (0x for hex):"
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userinput $choicestring
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if $choicestring != $null
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seti $head_start = $choicestring 0
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break
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else
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echo "Choice cannot be blank!"
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endif
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done
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seti $read_block_size = 512 * 128
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seti $initial_read_size = 512 * 16
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seti $negative_cylinders = 0
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seti $sectors_per_cylinder = 0
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gosub find_sectors_per_track
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seti $total_aba = $negative_cylinders * $sectors_per_cylinder
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hex
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sets $lstring = "0x" $total_aba
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decimal
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echo "Total ABA = " $total_aba " (" $lstring ")"
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seti $aba_start = $aba_to_translate
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gosub translate_aba_to_chs
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seti $cylinder_start = $cylinder
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seti $sector_start = $sector
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seti $aba_end = $aba_start + $sector_count_to_read
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seti $aba_to_translate = $aba_end
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gosub translate_aba_to_chs
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seti $cylinder_end = $cylinder
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seti $sector_end = $sector
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if $aba_end >= $total_aba
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echo "Read size is beyond end of ABA"
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previousscript
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endif
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gosub read_aba_section
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previousscript
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end
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subroutine find_sectors_per_track
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seti $command_failed = 0
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seti $total_heads = 0
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seti $head_bitmap = 0
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seti $negative_cylinders = 0
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gosub read_data_table
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if $head_start >= $total_heads
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echo "Head chosen is greater than available heads"
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previousscript
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endif
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seti $bitmap = $head_bitmap > $head_start
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seti $bitmap = $bitmap & 1
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if $bitmap < 1
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echo "Head chosen is not active"
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previousscript
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endif
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seti $cylinder_start = 0 - $negative_cylinders
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seti $cylinder_start = $cylinder_start + 1
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seti $found_aba = 0
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seti $cylinder = $cylinder_start
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seti $head = $head_start
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seti $sector = 1
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gosub translate_chs_to_lba
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echo "Sectors per cylinder = " $found_aba
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seti $sectors_per_cylinder = $found_aba
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endsubroutine
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subroutine translate_chs_to_lba
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gosub enable_vsc
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# vsc to prepare for translate
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echo "prepare to translate chs to lba"
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buffersize 0x200
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clearbuffer
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seti $offsetl = $cylinder & 0xff
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seti $offsetm1 = $cylinder > 8
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seti $offsetm1 = $offsetm1 & 0xff
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seti $offsetm2 = $cylinder > 16
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seti $offsetm2 = $offsetm2 & 0xff
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seti $offseth = $cylinder > 24
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seti $offseth = $offseth & 0xff
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seti $sectorl = $sector & 0xff
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seti $sectorh = $sector > 8
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seti $sectorh = $sectorh & 0xff
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seti $head = $head & 0xff
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setbuffer 0
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16 00 $offsetl $offsetm1 $offsetm2 $offseth $head 00 $sectorl $sectorh
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endbuffer
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hex
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#echo "keysector= 16 00 " $offsetl " " $offsetm1 " " $offsetm2 " " $offseth " " $head " 0 " $sectorl " " $sectorh
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setwritepio
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ata28cmd 0xd6 0x01 0xbe 0x4f 0xc2 0xa0 0xb0
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#echo "command= d6 01 be 4f c2 a0 b0"
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decimal
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# check if command failed
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gosub status_check
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# vsc to read result
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buffersize 0x200
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clearbuffer
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setreadpio
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echo "reading result"
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ata28cmd 0xd5 0x01 0xbf 0x4f 0xc2 0xa0 0xb0
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hex
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#echo "command= d5 01 bf 4f c2 a0 b0"
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decimal
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# check if command failed
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gosub status_check
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scratchpadsize 0x200
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copybuffertoscratchpad 0 0 512
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gosub disable_vsc
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#printscratchpad 0 32
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seti $lba = scratchpad 2 qw
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seti $lba = $lba & 0xffffffffffff
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hex
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sets $lstring = "0x" $lba
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decimal
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#echo "lba = " $lba " (" $lstring ")"
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seti $found_aba = $lba
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endsubroutine
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subroutine translate_aba_to_chs
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seti $cylinder = $aba_to_translate / $sectors_per_cylinder
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seti $cylinder = $cylinder - $negative_cylinders
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seti $sector = $aba_to_translate % $sectors_per_cylinder
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seti $sector = $sector + 1
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echo "cylinder=" $cylinder
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echo "sector=" $sector
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echo "head=" $head_start
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# verify result
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gosub translate_chs_to_lba
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echo "translated back to aba = " $found_aba
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if $found_aba != $aba_to_translate
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echo "Reverse translation did not match!"
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echo "ABA requested = " $aba_to_translate
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echo "Translated back = " $found_aba
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previousscript
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endif
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endsubroutine
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subroutine read_aba_section
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seti $cylinder = $cylinder_start
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seti $sector = $sector_start
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seti $data_count = 0
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while $data_count < $sector_count_to_read
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seti $data_remaining = $sector_count_to_read - $data_count
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seti $blocks = $read_block_size / 512
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if $blocks > $data_remaining
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seti $blocks = $data_remaining
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endif
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seti $remaining_sectors_in_track = $sectors_per_cylinder - $sector
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seti $remaining_sectors_in_track = $remaining_sectors_in_track + 1
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if $blocks > $remaining_sectors_in_track
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seti $blocks = $remaining_sectors_in_track
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endif
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seti $read_size = $blocks * 512
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gosub read_chs
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seti $sector = $sector + $blocks
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if $sector > $sectors_per_cylinder
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seti $sector = 1
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seti $cylinder = $cylinder + 1
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endif
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seti $data_count = $data_count + $blocks
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done
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endsubroutine
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subroutine read_chs
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gosub enable_vsc
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echo "head=" $head " cylinder=" $cylinder " sector=" $sector " size=" $blocks
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# vsc to prepare for chs read
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#echo "prepare to read chs"
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buffersize 0x200
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clearbuffer
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seti $offsetl = $cylinder & 0xff
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seti $offsetm1 = $cylinder > 8
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seti $offsetm1 = $offsetm1 & 0xff
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seti $offsetm2 = $cylinder > 16
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seti $offsetm2 = $offsetm2 & 0xff
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seti $offseth = $cylinder > 24
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seti $offseth = $offseth & 0xff
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seti $sectorl = $sector & 0xff
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seti $sectorh = $sector > 8
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seti $sectorh = $sectorh & 0xff
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seti $sizel = $read_size & 0xff
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seti $sizem1 = $read_size > 8
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seti $sizem1 = $sizem1 & 0xff
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seti $sizem2 = $read_size > 16
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seti $sizem2 = $sizem2 & 0xff
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seti $sizeh = $read_size > 24
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seti $sizeh = $sizeh & 0xff
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seti $sizel = 0
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seti $sizem1 = 0
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seti $sizem2 = 0
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seti $sizeh = 0
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setbuffer 0
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0c 00 01 00 $offsetl $offsetm1 $offsetm2 $offseth $head 00 $sectorl $sectorh $sizel $sizem1 $sizem2 $sizeh
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endbuffer
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hex
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#echo "keysector= 0c 00 01 00 " $offsetl " " $offsetm1 " " $offsetm2 " " $offseth " " $head " 00 " $sectorl " " $sectorh " " $sizel " " $sizem1 " " $sizem2 " " $sizeh
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setwritepio
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ata28cmd 0xd6 0x01 0xbe 0x4f 0xc2 0xa0 0xb0
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#echo "command= d6 01 be 4f c2 a0 b0"
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decimal
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# check if command failed
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gosub status_check
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# vsc to read chs
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seti $sectors = $read_size / 512
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buffersize $read_size
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clearbuffer
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setreadpio
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#echo "reading chs"
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ata28cmd 0xd5 $sectors 0xbf 0x4f 0xc2 0xa0 0xb0
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hex
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#echo "command= d5 " $sectors " bf 4f c2 a0 b0"
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decimal
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# check if command failed
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gosub status_check
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seti $write_offset = $data_count * 512
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# write the buffer to file
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writebuffer $file 0 $write_offset $read_size
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gosub disable_vsc
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#echo "chs read done"
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endsubroutine
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subroutine read_data_table
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gosub enable_vsc
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# vsc to prepare to get drive data table
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echo "prepare to get data table"
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buffersize 0x200
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clearbuffer
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setbuffer 0
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0d 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
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endbuffer
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setwritepio
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ata28cmd 0xd6 0x01 0xbe 0x4f 0xc2 0xa0 0xb0
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# check if command failed
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gosub status_check
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# vsc to get to get drive data table
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echo "getting data table"
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buffersize 0x200
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clearbuffer
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setreadpio
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ata28cmd 0xd5 0x01 0xbf 0x4f 0xc2 0xa0 0xb0
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# check if command failed
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gosub status_check
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copybuffertoscratchpad 0 0 512
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gosub disable_vsc
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echo "data table read done"
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#printscratchpad 0 512
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seti $value = 0
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seti $offset = 29
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seti $bytes = 1
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gosub process_offset
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seti $total_heads = $value
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seti $offset = 31
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seti $bytes = 1
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gosub process_offset
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seti $head_bitmap = $value
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seti $offset = 36
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seti $bytes = 2
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gosub process_offset
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seti $negative_cylinders = $value
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endsubroutine
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subroutine process_offset
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if $bytes = 1
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seti $value = scratchpad $offset b
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elseif $bytes = 2
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seti $value = scratchpad $offset w
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elseif $bytes = 4
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seti $value = scratchpad $offset dw
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elseif $bytes = 8
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seti $value = scratchpad $offset qw
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else
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seti $value = 0
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echo "BYTE COUNT OUT OF RANGE"
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endif
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hex
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sets $offset_string = "0x" $offset
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sets $value_string = "0x" $value
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sets $bytes_string = "0x" $bytes
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decimal
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#echo "offset=" $offset " (" $offset_string ") value=" $value " (" $value_string ")(" $bytes " bytes)"
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endsubroutine
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subroutine status_check_no_stop
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seti $command_failed = 0
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gosub check_command_status
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if $command_failed = 1
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echo "Command failed!"
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gosub show_sense_data
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gosub show_ata_return_status
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endif
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endsubroutine
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subroutine enable_vsc
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# enable vendor specific commands
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#echo "enable vsc"
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buffersize 0
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setreadpio
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ata28cmd 0x45 0x0b 0x00 0x44 0x57 0xa0 0x80
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# check if command failed
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gosub status_check
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endsubroutine
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subroutine disable_vsc
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# disable vendor specific commands
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#echo "disable vsc"
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buffersize 0
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setreadpio
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ata28cmd 0x44 0x0b 0x00 0x44 0x57 0xa0 0x80
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# check if command failed
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gosub status_check
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endsubroutine
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