93 lines
1.6 KiB
PHP
93 lines
1.6 KiB
PHP
;; File: dev.inc
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include 'at/cmos.inc'
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include 'at/com.inc'
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include 'at/ne2k.inc'
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include 'at/pit.inc'
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include 'at/kbd.inc'
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include 'at/cga.inc'
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include 'at/ata.inc'
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include 'at/floppy.inc'
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struc Device {
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.name db 8 dup(?)
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.init dd ?
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}
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DEFN Device
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;; Struc: BlkDev
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;;
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;; .open - Open the device in preparation for I/O operations
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;; .strategy - Do a read or write operation.
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;; .close - Close a device.
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;; .dump - Write all physical memory to the device.
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;; .psize - Return the size of a disk-drive partition.
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;;
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struc BlkDev {
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.open dd ?
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.strategy dd ?
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.ioctl dd ?
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.close dd ?
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.dump dd ?
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.psize dd ?
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}
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DEFN BlkDev
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;; Struc: CharDev
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;;
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;; .open - open the device.
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;; .close - close the device..
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;; .read - do an input operation.
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;; .write - do an output operation.
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;; .ioctl - do an I/O control operation.
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;; .select - poll device for I/O readiness.
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;; .stop - stop output on the device.
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;; .mmap - map device offset to memory location
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;; .reset - reinitialize device after a bus reset.
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;;
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struc CharDev {
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.open dd ?
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.close dd ?
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.read dd ?
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.write dd ?
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.ioctl dd ?
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.select dd ?
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.stop dd ?
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.mmap dd ?
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.reset dd ?
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}
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aBlockDevices:
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dd floppy_bdevsw
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dd ata_bdevsw
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.end:
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aCharDevices:
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dd console_cdevws
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dd com_cdevsw
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.end:
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aDevices:
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dd floppy_device
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dd kbd_device
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dd console_device
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dd com_device
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dd ne2k_device
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dd ata_device
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.end:
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;; Function: dev_init
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dev_init:
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mov ecx, aDevices
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@@:
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mov eax, [ecx]
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mov eax, [eax + Device.init]
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push ecx
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call eax
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pop ecx
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add ecx, 4
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cmp ecx, aDevices.end
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jb @b
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ret
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