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convert usbhid and usbstor to PE

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git-svn-id: svn://kolibrios.org@5051 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
CleverMouse 2014-08-22 09:54:27 +00:00
parent 962d0858c7
commit 7dce54fc55
8 changed files with 261 additions and 294 deletions
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6
data/common/Makefile.main
View File

@ -134,8 +134,6 @@ FASM_PROGRAMS:=\
drivers/sb16.obj:DRIVERS/SB16.OBJ:$(KERNEL)/drivers/sb16/sb16.asm \
drivers/sound.obj:DRIVERS/SOUND.OBJ:$(KERNEL)/drivers/sound.asm \
drivers/intelac97.obj:DRIVERS/INTELAC97.OBJ:$(KERNEL)/drivers/intelac97.asm \
drivers/usbhid.obj:DRIVERS/USBHID.OBJ:$(KERNEL)/drivers/usbhid/usbhid.asm \
drivers/usbstor.obj:DRIVERS/USBSTOR.OBJ:$(KERNEL)/drivers/usbstor.asm \
drivers/vt823x.obj:DRIVERS/VT823X.OBJ:$(KERNEL)/drivers/vt823x.asm \
drivers/3c59x.obj:DRIVERS/3C59X.OBJ:$(REPOSITORY)/drivers/ethernet/3c59x.asm \
File|Managers/kfar:File|Managers/KFAR:$(PROGS)/fs/kfar/trunk/kfar.asm \
@ -221,11 +219,13 @@ FASM_PROGRAMS_PESTRIP:=\
drivers/rhine.sys:DRIVERS/RHINE.SYS:$(REPOSITORY)/drivers/ethernet/rhine.asm \
drivers/rtl8029.sys:DRIVERS/RTL8029.SYS:$(REPOSITORY)/drivers/ethernet/RTL8029.asm \
drivers/rtl8139.sys:DRIVERS/RTL8139.SYS:$(REPOSITORY)/drivers/ethernet/RTL8139.asm \
drivers/rtl8169.sys:DRIVERS/RTL8169.SYS:$(REPOSITORY)/drivers/ethernet/RTL8169.asm \
drivers/rtl8169.sys:DRIVERS/RTL8169.SYS:$(REPOSITORY)/drivers/ethernet/RTL8169.asm \
drivers/sis900.sys:DRIVERS/SIS900.SYS:$(REPOSITORY)/drivers/ethernet/sis900.asm \
drivers/uhci.sys:DRIVERS/UHCI.SYS:$(REPOSITORY)/drivers/usb/uhci.asm \
drivers/ohci.sys:DRIVERS/OHCI.SYS:$(REPOSITORY)/drivers/usb/ohci.asm \
drivers/ehci.sys:DRIVERS/EHCI.SYS:$(REPOSITORY)/drivers/usb/ehci.asm \
drivers/usbhid.sys:DRIVERS/USBHID.SYS:$(REPOSITORY)/drivers/usb/usbhid/usbhid.asm \
drivers/usbstor.sys:DRIVERS/USBSTOR.SYS:$(REPOSITORY)/drivers/usb/usbstor.asm \
drivers/rdc.sys:DRIVERS/RDC.SYS:$(REPOSITORY)/drivers/video/rdc.asm \
drivers/ps2mouse.sys:DRIVERS/PS2MOUSE.SYS:$(REPOSITORY)/drivers/mouse/ps2mouse4d/trunk/ps2mouse.asm \
drivers/tmpdisk.sys:DRIVERS/TMPDISK.SYS:$(REPOSITORY)/drivers/disk/tmpdisk.asm \

30
kernel/trunk/drivers/usbhid/keyboard.inc → drivers/usb/usbhid/keyboard.inc
View File

@ -60,7 +60,7 @@ ends
proc keyboard_driver_add_device
; 1. Allocate memory for keyboard_device_data. If failed, return NULL.
movi eax, sizeof.keyboard_device_data
call Kmalloc
invoke Kmalloc
test eax, eax
jz .nothing
; 2. Initialize keyboard_device_data: store pointer to USB layer data,
@ -154,7 +154,7 @@ proc keyboard_driver_add_device
; store pointer to keyboard_device_data in the stack
push eax
; call kernel API
stdcall RegKeyboard, kbd_functions, eax
invoke RegKeyboard, kbd_functions, eax
; restore pointer to keyboard_device_data from the stack,
; putting keyboard handle from API to the stack
xchg eax, [esp]
@ -167,7 +167,7 @@ proc keyboard_driver_add_device
.nothing:
ret
.fail_free:
call Kfree
invoke Kfree
xor eax, eax
ret
endp
@ -179,10 +179,10 @@ proc keyboard_driver_disconnect
; 1. If an autorepeat timer is active, stop it.
cmp [edi+keyboard_device_data.timer], 0
jz @f
stdcall CancelTimerHS, [edi+keyboard_device_data.timer]
invoke CancelTimerHS, [edi+keyboard_device_data.timer]
@@:
; 2. Unregister keyboard in the kernel.
stdcall DelKeyboard, [edi+keyboard_device_data.handle]
invoke DelKeyboard, [edi+keyboard_device_data.handle]
; We should free data in CloseKeyboard, not here.
ret
endp
@ -245,11 +245,11 @@ end if
mov eax, [edi+keyboard_device_data.timer]
test eax, eax
jz @f
stdcall CancelTimerHS, eax
invoke CancelTimerHS, eax
@@:
; 1h. Start the new autorepeat timer with 250 ms initial delay
; and 50 ms subsequent delays.
stdcall TimerHS, 25, 5, autorepeat_timer, edi
invoke TimerHS, 25, 5, autorepeat_timer, edi
mov [edi+keyboard_device_data.timer], eax
if ~HID_DUMP_UNCLAIMED
.unclaimed:
@ -265,7 +265,7 @@ end if
mov eax, [edi+keyboard_device_data.timer]
test eax, eax
jz @f
stdcall CancelTimerHS, eax
invoke CancelTimerHS, eax
mov [edi+keyboard_device_data.timer], 0
@@:
pop ecx
@ -321,10 +321,10 @@ end if
jnc @f
push ecx
mov ecx, 0xE0
call SetKeyboardData
invoke SetKeyboardData
pop ecx
@@:
call SetKeyboardData
invoke SetKeyboardData
ret
endp
@ -359,7 +359,7 @@ virtual at esp
.device_data dd ?
end virtual
mov eax, [.device_data]
call Kfree
invoke Kfree
ret 4
endp
@ -392,7 +392,7 @@ endl
add eax, 8 + 3
and eax, not 3
push eax
call Kmalloc
invoke Kmalloc
pop ecx
test eax, eax
jz .nothing
@ -444,14 +444,14 @@ endl
or edx, [ebx+usb_device_data.interface_number]
mov [eax+4], edx
; 8. Submit output control request.
stdcall USBControlTransferAsync, [ebx+usb_device_data.configpipe], \
invoke USBControlTransferAsync, [ebx+usb_device_data.configpipe], \
eax, edi, [size], after_set_keyboard_lights, ebx, 0
; If failed, free the buffer now.
; If succeeded, the callback will free the buffer.
test eax, eax
jnz .nothing
lea eax, [edi-8]
call Kfree
invoke Kfree
.nothing:
ret
endp
@ -470,6 +470,6 @@ end virtual
; Ignore status, just free the buffer allocated by SetKeyboardLights.
mov eax, [.buffer]
sub eax, 8
call Kfree
invoke Kfree
ret 20
endp

6
kernel/trunk/drivers/usbhid/mouse.inc → drivers/usb/usbhid/mouse.inc
View File

@ -34,7 +34,7 @@ ends
proc mouse_driver_add_device
; Just allocate memory; no initialization needed.
movi eax, sizeof.mouse_device_data
call Kmalloc
invoke Kmalloc
ret
endp
@ -44,7 +44,7 @@ endp
proc mouse_driver_disconnect
; Free the allocated memory.
mov eax, edi
call Kfree
invoke Kfree
ret
endp
@ -153,7 +153,7 @@ endp
; in: edi -> mouse_device_data (pointer returned from mouse_driver_add_device)
proc mouse_driver_end_packet
; Call the kernel, passing collected state.
stdcall SetMouseData, \
invoke SetMouseData, \
[edi+mouse_device_data.buttons], \
[edi+mouse_device_data.dx], \
[edi+mouse_device_data.dy], \

34
kernel/trunk/drivers/usbhid/report.inc → drivers/usb/usbhid/report.inc
View File

@ -353,7 +353,7 @@ parse_descr_label:
mov [last_collection], eax
; 1b. Allocate state of global items.
movi eax, sizeof.global_items
call Kmalloc
invoke Kmalloc
test eax, eax
jz .memory_error
; 1c. Zero-initialize it and move pointer to edi.
@ -373,7 +373,7 @@ parse_descr_label:
test eax, eax
jz @f
push [eax+usage_list_item.next]
call Kfree
invoke Kfree
pop eax
jmp @b
@@:
@ -496,7 +496,7 @@ end if
cmp [ebx+report_set.data], 0
jnz .invalid_report
mov eax, 256*4
call Kmalloc
invoke Kmalloc
test eax, eax
jz .memory_error
mov [ebx+report_set.data], eax
@ -521,7 +521,7 @@ end if
jnz .report_allocated
; 7b. Allocate.
movi eax, sizeof.report
call Kmalloc
invoke Kmalloc
test eax, eax
jz .memory_error
; 7c. Initialize.
@ -568,7 +568,7 @@ end if
mov edx, [num_usage_ranges]
lea eax, [eax+edx*sizeof.usage_range+4]
@@:
call Kmalloc
invoke Kmalloc
pop edx
test eax, eax
jz .memory_error
@ -688,7 +688,7 @@ end if
; allocate, zero-initialize, update parent, if there is one,
; make it current.
movi eax, sizeof.collection
call Kmalloc
invoke Kmalloc
test eax, eax
jz .memory_error
push eax edi
@ -817,7 +817,7 @@ end if
; For Push, allocate new global_items structure,
; initialize from the current one and make it current.
movi eax, sizeof.global_items
call Kmalloc
invoke Kmalloc
test eax, eax
jz .memory_error
push esi eax
@ -835,7 +835,7 @@ end if
jz .invalid_report
push eax
xchg eax, edi
call Kfree
invoke Kfree
pop edi
jmp .item_parsed
; -------------------------------- Local items --------------------------------
@ -862,7 +862,7 @@ end if
push 1
.new_usage:
movi eax, sizeof.usage_list_item
call Kmalloc
invoke Kmalloc
pop edx
test eax, eax
jz .memory_error
@ -912,7 +912,7 @@ end if
inc [delimiter_depth]
push esi
mov esi, delimiter_note
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi
jmp .item_parsed
.delimiter.close:
@ -954,14 +954,14 @@ end if
.memory_error:
mov esi, nomemory_msg
.end_str:
call SysMsgBoardStr
invoke SysMsgBoardStr
.end:
; Free all global_items structures.
test edi, edi
jz @f
push [edi+global_items.next]
xchg eax, edi
call Kfree
invoke Kfree
pop edi
jmp .end
@@:
@ -971,7 +971,7 @@ end if
test eax, eax
jz @f
push [eax+usage_list_item.next]
call Kfree
invoke Kfree
pop eax
jmp @b
@@:
@ -1116,7 +1116,7 @@ macro hid_cleanup
mov eax, [esi+collection.parent]
@@:
xchg eax, esi
call Kfree
invoke Kfree
jmp .free_collections
.collections_done:
; 3. Free all three report sets.
@ -1136,19 +1136,19 @@ macro hid_cleanup
test eax, eax
jz .field_done
push [eax+report_field_group.next]
call Kfree
invoke Kfree
pop eax
jmp .field_loop
.field_done:
mov eax, [edi+report.next]
xchg eax, edi
call Kfree
invoke Kfree
jmp .report_loop
.report_done:
cmp [esi+report_set.numbered], 0
jz @f
mov eax, [esi+report_set.data]
call Kfree
invoke Kfree
@@:
add esi, sizeof.report_set
dec dword [esp]

0
kernel/trunk/drivers/usbhid/sort.inc → drivers/usb/usbhid/sort.inc
View File

0
kernel/trunk/drivers/usbhid/unclaimed.inc → drivers/usb/usbhid/unclaimed.inc
View File

65
kernel/trunk/drivers/usbhid/usbhid.asm → drivers/usb/usbhid/usbhid.asm
View File

@ -1,5 +1,6 @@
; standard driver stuff
format MS COFF
; standard driver stuff; version of driver model = 5
format PE DLL native 0.05
entry START
DEBUG = 1
@ -7,14 +8,8 @@ DEBUG = 1
__DEBUG__ = 1
__DEBUG_LEVEL__ = 1
include '../proc32.inc'
include '../imports.inc'
include '../fdo.inc'
include '../../struct.inc'
public START
public version
; Compile-time settings.
; If set, the code will dump all descriptors as they are read to the debug board.
USB_DUMP_DESCRIPTORS = 1
@ -103,12 +98,17 @@ input_buffer dd ? ; buffer for input transfers
control rb 8 ; control packet to device
ends
section '.flat' code readable align 16
section '.flat' code readable writable executable
include '../../macros.inc'
include '../../proc32.inc'
include '../../peimport.inc'
include '../../fdo.inc'
; The start procedure.
proc START
virtual at esp
dd ? ; return address
.reason dd ?
.cmdline dd ?
end virtual
; 1. Test whether the procedure is called with the argument DRV_ENTRY.
; If not, return 0.
@ -118,10 +118,10 @@ end virtual
; 2. Register self as a USB driver.
; The name is my_driver = 'usbhid'; IOCTL interface is not supported;
; usb_functions is an offset of a structure with callback functions.
stdcall RegUSBDriver, my_driver, eax, usb_functions
invoke RegUSBDriver, my_driver, eax, usb_functions
; 3. Return the returned value of RegUSBDriver.
.nothing:
ret 4
ret
endp
; This procedure is called when new HID device is detected.
@ -138,11 +138,11 @@ end virtual
DEBUGF 1,'K : USB HID device detected\n'
; 1. Allocate memory for device data.
movi eax, sizeof.usb_device_data
call Kmalloc
invoke Kmalloc
test eax, eax
jnz @f
mov esi, nomemory_msg
call SysMsgBoardStr
invoke SysMsgBoardStr
jmp .return0
@@:
; zero-initialize it
@ -215,11 +215,11 @@ end virtual
.cfgerror:
; 6a. Print a message.
mov esi, invalid_config_descr_msg
call SysMsgBoardStr
invoke SysMsgBoardStr
; 6b. Free memory allocated for device data.
.free:
xchg eax, ebx
call Kfree
invoke Kfree
.return0:
; 6c. Return an error.
xor eax, eax
@ -255,7 +255,7 @@ end virtual
mov eax, [.config_pipe]
mov [ebx+usb_device_data.configpipe], eax
xor ecx, ecx
stdcall USBControlTransferAsync, eax, edx, ecx, ecx, idle_set, ebx, ecx
invoke USBControlTransferAsync, eax, edx, ecx, ecx, idle_set, ebx, ecx
; 7. Return pointer to usb_device_data.
xchg eax, ebx
jmp .nothing
@ -295,7 +295,7 @@ end virtual
.cfgerror:
mov esi, invalid_config_descr_msg
.abort_with_msg:
call SysMsgBoardStr
invoke SysMsgBoardStr
jmp .nothing
.found_report:
; 2. Send request for the Report descriptor.
@ -304,7 +304,7 @@ end virtual
test eax, eax
jz .cfgerror
push eax
call Kmalloc
invoke Kmalloc
pop ecx
; If failed, say a message and stop initialization.
mov esi, nomemory_msg
@ -320,13 +320,13 @@ end virtual
(REPORT_DESCR_TYPE shl 24); descriptor type
mov [edx+4], ax ; Interface number
mov [edx+6], cx ; descriptor length
stdcall USBControlTransferAsync, [ebx+usb_device_data.configpipe], \
invoke USBControlTransferAsync, [ebx+usb_device_data.configpipe], \
edx, esi, ecx, got_report, ebx, 0
; 2c. If failed, free the buffer and stop initialization.
test eax, eax
jnz .nothing
xchg eax, esi
call Kfree
invoke Kfree
.nothing:
pop esi ebx ; restore used registers to be stdcall
ret 20
@ -353,7 +353,7 @@ endl
.generic_fail:
push esi
mov esi, reportfail
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi
jmp .exit
.has_something:
@ -386,7 +386,7 @@ end if
movzx ecx, [edx+endpoint_descr.bEndpointAddress]
movzx eax, [edx+endpoint_descr.bInterval]
movzx edx, [edx+endpoint_descr.wMaxPacketSize]
stdcall USBOpenPipe, [ebx+usb_device_data.configpipe], ecx, edx, INTERRUPT_PIPE, eax
invoke USBOpenPipe, [ebx+usb_device_data.configpipe], ecx, edx, INTERRUPT_PIPE, eax
test eax, eax
jz got_report.exit
mov [ebx+usb_device_data.intpipe], eax
@ -418,11 +418,11 @@ end if
; for extract_field_value.
add eax, 4+3
and eax, not 3
call Kmalloc
invoke Kmalloc
test eax, eax
jnz @f
mov esi, nomemory_msg
call SysMsgBoardStr
invoke SysMsgBoardStr
jmp got_report.exit
@@:
mov [ebx+usb_device_data.input_buffer], eax
@ -430,7 +430,7 @@ end if
call ask_for_input
got_report.exit:
mov eax, [buffer]
call Kfree
invoke Kfree
ret
endp
@ -439,7 +439,7 @@ endp
proc ask_for_input
; just call USBNormalTransferAsync with correct parameters,
; allow short packets
stdcall USBNormalTransferAsync, \
invoke USBNormalTransferAsync, \
[ebx+usb_device_data.intpipe], \
[ebx+usb_device_data.input_buffer], \
[ebx+usb_device_data.input_transfer_size], \
@ -492,7 +492,7 @@ endl
ret
.fail:
mov esi, transfer_error_msg
call SysMsgBoardStr
invoke SysMsgBoardStr
jmp .nothing
endp
@ -507,12 +507,12 @@ end virtual
; 1. Say a message.
mov ebx, [.device_data]
mov esi, disconnectmsg
stdcall SysMsgBoardStr
invoke SysMsgBoardStr
; 2. Ask HID layer to release all HID-related resources.
hid_cleanup
; 3. Free the device data.
xchg eax, ebx
call Kfree
invoke Kfree
; 4. Return.
.nothing:
pop edi esi ebx ; restore used registers to be stdcall
@ -534,9 +534,7 @@ disconnectmsg db 'K : USB HID device disconnected',13,10,0
invalid_report_msg db 'K : report descriptor is invalid',13,10,0
delimiter_note db 'K : note: alternate usage ignored',13,10,0
; Exported variable: kernel API version.
align 4
version dd 50005h
; Structure with callback functions.
usb_functions:
dd 12
@ -549,5 +547,6 @@ include_debug_strings
; Workers data
workers_globals
; for uninitialized data
;section '.data' data readable writable align 16
align 4
data fixups
end data

414
kernel/trunk/drivers/usbstor.asm → drivers/usb/usbstor.asm
View File

@ -1,5 +1,6 @@
; standard driver stuff
format MS COFF
; standard driver stuff; version of driver model = 5
format PE DLL native 0.05
entry START
DEBUG = 1
DUMP_PACKETS = 0
@ -8,12 +9,7 @@ DUMP_PACKETS = 0
__DEBUG__ = 1
__DEBUG_LEVEL__ = 1
include 'proc32.inc'
include 'imports.inc'
include 'fdo.inc'
public START
public version
include '../struct.inc'
; USB constants
DEVICE_DESCR_TYPE = 1
@ -29,43 +25,37 @@ BULK_PIPE = 2
INTERRUPT_PIPE = 3
; USB structures
virtual at 0
config_descr:
.bLength db ?
.bDescriptorType db ?
.wTotalLength dw ?
.bNumInterfaces db ?
.bConfigurationValue db ?
.iConfiguration db ?
.bmAttributes db ?
.bMaxPower db ?
.sizeof:
end virtual
struct config_descr
bLength db ?
bDescriptorType db ?
wTotalLength dw ?
bNumInterfaces db ?
bConfigurationValue db ?
iConfiguration db ?
bmAttributes db ?
bMaxPower db ?
ends
virtual at 0
interface_descr:
.bLength db ?
.bDescriptorType db ?
.bInterfaceNumber db ?
.bAlternateSetting db ?
.bNumEndpoints db ?
.bInterfaceClass db ?
.bInterfaceSubClass db ?
.bInterfaceProtocol db ?
.iInterface db ?
.sizeof:
end virtual
struct interface_descr
bLength db ?
bDescriptorType db ?
bInterfaceNumber db ?
bAlternateSetting db ?
bNumEndpoints db ?
bInterfaceClass db ?
bInterfaceSubClass db ?
bInterfaceProtocol db ?
iInterface db ?
ends
virtual at 0
endpoint_descr:
.bLength db ?
.bDescriptorType db ?
.bEndpointAddress db ?
.bmAttributes db ?
.wMaxPacketSize dw ?
.bInterval db ?
.sizeof:
end virtual
struct endpoint_descr
bLength db ?
bDescriptorType db ?
bEndpointAddress db ?
bmAttributes db ?
wMaxPacketSize dw ?
bInterval db ?
ends
; Mass storage protocol constants, USB layer
REQUEST_GETMAXLUN = 0xFE ; get max lun
@ -73,38 +63,28 @@ REQUEST_BORESET = 0xFF ; bulk-only reset
; Mass storage protocol structures, USB layer
; Sent from host to device in the first stage of an operation.
struc command_block_wrapper
{
.Signature dd ? ; the constant 'USBC'
.Tag dd ? ; identifies response with request
.Length dd ? ; length of data-transport phase
.Flags db ? ; one of CBW_FLAG_*
struct command_block_wrapper
Signature dd ? ; the constant 'USBC'
Tag dd ? ; identifies response with request
Length dd ? ; length of data-transport phase
Flags db ? ; one of CBW_FLAG_*
CBW_FLAG_OUT = 0
CBW_FLAG_IN = 80h
.LUN db ? ; addressed unit
.CommandLength db ? ; the length of the following field
.Command rb 16
.sizeof:
}
virtual at 0
command_block_wrapper command_block_wrapper
end virtual
LUN db ? ; addressed unit
CommandLength db ? ; the length of the following field
Command rb 16
ends
; Sent from device to host in the last stage of an operation.
struc command_status_wrapper
{
.Signature dd ? ; the constant 'USBS'
.Tag dd ? ; identifies response with request
.LengthRest dd ? ; .Length - (size of data which were transferred)
.Status db ? ; one of CSW_STATUS_*
struct command_status_wrapper
Signature dd ? ; the constant 'USBS'
Tag dd ? ; identifies response with request
LengthRest dd ? ; .Length - (size of data which were transferred)
Status db ? ; one of CSW_STATUS_*
CSW_STATUS_OK = 0
CSW_STATUS_FAIL = 1
CSW_STATUS_FATAL = 2
.sizeof:
}
virtual at 0
command_status_wrapper command_status_wrapper
end virtual
ends
; Constants of SCSI layer
SCSI_REQUEST_SENSE = 3
@ -133,73 +113,62 @@ SENSE_MISCOMPARE = 14
; Structures of SCSI layer
; Result of SCSI INQUIRY request.
struc inquiry_data
{
.PeripheralDevice db ? ; lower 5 bits are PeripheralDeviceType
struct inquiry_data
PeripheralDevice db ? ; lower 5 bits are PeripheralDeviceType
; upper 3 bits are PeripheralQualifier
.RemovableMedium db ? ; upper bit is RemovableMedium
RemovableMedium db ? ; upper bit is RemovableMedium
; other bits are for compatibility
.Version db ? ; lower 3 bits are ANSI-Approved version
Version db ? ; lower 3 bits are ANSI-Approved version
; next 3 bits are ECMA version
; upper 2 bits are ISO version
.ResponseDataFormat db ? ; lower 4 bits are ResponseDataFormat
ResponseDataFormat db ? ; lower 4 bits are ResponseDataFormat
; bit 6 is TrmIOP
; bit 7 is AENC
.AdditionalLength db ?
AdditionalLength db ?
dw ? ; reserved
.Flags db ?
.VendorID rb 8 ; vendor ID, big-endian
.ProductID rb 16 ; product ID, big-endian
.ProductRevBE dd ? ; product revision, big-endian
.sizeof:
}
virtual at 0
inquiry_data inquiry_data
end virtual
Flags db ?
VendorID rb 8 ; vendor ID, big-endian
ProductID rb 16 ; product ID, big-endian
ProductRevBE dd ? ; product revision, big-endian
ends
struc sense_data
{
.ErrorCode db ? ; lower 7 bits are error code:
struct sense_data
ErrorCode db ? ; lower 7 bits are error code:
; 70h = current error,
; 71h = deferred error
; upper bit is InformationValid
.SegmentNumber db ? ; number of segment descriptor
SegmentNumber db ? ; number of segment descriptor
; for commands COPY [+VERIFY], COMPARE
.SenseKey db ? ; bits 0-3 are one of SENSE_*
SenseKey db ? ; bits 0-3 are one of SENSE_*
; bit 4 is reserved
; bit 5 is IncorrectLengthIndicator
; bits 6 and 7 are used by
; sequential-access devices
.Information dd ? ; command-specific
.AdditionalLength db ? ; length of data starting here
.CommandInformation dd ? ; command-specific
.AdditionalSenseCode db ? ; \ more detailed error code
.AdditionalSenseQual db ? ; / standard has a large table of them
.FRUCode db ? ; which part of device has failed
Information dd ? ; command-specific
AdditionalLength db ? ; length of data starting here
CommandInformation dd ? ; command-specific
AdditionalSenseCode db ? ; \ more detailed error code
AdditionalSenseQual db ? ; / standard has a large table of them
FRUCode db ? ; which part of device has failed
; (device-specific, not regulated)
.SenseKeySpecific rb 3 ; depends on SenseKey
.sizeof:
}
virtual at 0
sense_data sense_data
end virtual
SenseKeySpecific rb 3 ; depends on SenseKey
ends
; Device data
; USB Mass storage device has one or more logical units, identified by LUN,
; logical unit number. The highest value of LUN, that is, number of units
; minus 1, can be obtained via control request Get Max LUN.
virtual at 0
usb_device_data:
.ConfigPipe dd ? ; configuration pipe
.OutPipe dd ? ; pipe for OUT bulk endpoint
.InPipe dd ? ; pipe for IN bulk endpoint
.MaxLUN dd ? ; maximum Logical Unit Number
.LogicalDevices dd ? ; pointer to array of usb_unit_data
struct usb_device_data
ConfigPipe dd ? ; configuration pipe
OutPipe dd ? ; pipe for OUT bulk endpoint
InPipe dd ? ; pipe for IN bulk endpoint
MaxLUN dd ? ; maximum Logical Unit Number
LogicalDevices dd ? ; pointer to array of usb_unit_data
; 1 for a connected USB device, 1 for each disk device
; the structure can be freed when .NumReferences decreases to zero
.NumReferences dd ? ; number of references
.ConfigRequest rb 8 ; buffer for configuration requests
.LengthRest dd ? ; Length - (size of data which were transferred)
NumReferences dd ? ; number of references
ConfigRequest rb 8 ; buffer for configuration requests
LengthRest dd ? ; Length - (size of data which were transferred)
; All requests to a given device are serialized,
; only one request to a given device can be processed at a time.
; The current request and all pending requests are organized in the following
@ -208,46 +177,42 @@ usb_device_data:
; data stage is not tagged (unlike command_*_wrapper), so the only way to know
; what request the data are associated with is to guarantee that only one
; request is processing at the time.
.RequestsQueue rd 2
.QueueLock rd 3 ; protects .RequestsQueue
.InquiryData inquiry_data ; information about device
RequestsQueue rd 2
QueueLock rd 3 ; protects .RequestsQueue
InquiryData inquiry_data ; information about device
; data for the current request
.Command command_block_wrapper
.DeviceDisconnected db ?
.Status command_status_wrapper
.Sense sense_data
.sizeof:
end virtual
Command command_block_wrapper
DeviceDisconnected db ?
Status command_status_wrapper
Sense sense_data
ends
; Information about one logical device.
virtual at 0
usb_unit_data:
.Parent dd ? ; pointer to parent usb_device_data
.LUN db ? ; index in usb_device_data.LogicalDevices array
.DiskIndex db ? ; for name "usbhd<index>"
.MediaPresent db ?
struct usb_unit_data
Parent dd ? ; pointer to parent usb_device_data
LUN db ? ; index in usb_device_data.LogicalDevices array
DiskIndex db ? ; for name "usbhd<index>"
MediaPresent db ?
db ? ; alignment
.DiskDevice dd ? ; handle of disk device or NULL
.SectorSize dd ? ; sector size
DiskDevice dd ? ; handle of disk device or NULL
SectorSize dd ? ; sector size
; For some devices, the first request to the medium fails with 'unit not ready'.
; When the code sees this status, it retries the command several times.
; Two following variables track the retry count and total time for those;
; total time is currently used only for debug output.
.UnitReadyAttempts dd ?
.TimerTicks dd ?
.sizeof:
end virtual
UnitReadyAttempts dd ?
TimerTicks dd ?
ends
; This is the structure for items in the queue usb_device_data.RequestsQueue.
virtual at 0
request_queue_item:
.Next dd ? ; next item in the queue
.Prev dd ? ; prev item in the queue
.ReqBuilder dd ? ; procedure to fill command_block_wrapper
.Buffer dd ? ; input or output data
struct request_queue_item
Next dd ? ; next item in the queue
Prev dd ? ; prev item in the queue
ReqBuilder dd ? ; procedure to fill command_block_wrapper
Buffer dd ? ; input or output data
; (length is command_block_wrapper.Length)
.Callback dd ? ; procedure to call in the end of transfer
.UserData dd ? ; passed as-is to .Callback
Callback dd ? ; procedure to call in the end of transfer
UserData dd ? ; passed as-is to .Callback
; There are 3 possible stages of any request, one of them optional:
; command stage (host sends command_block_wrapper to device),
; optional data stage,
@ -255,16 +220,21 @@ request_queue_item:
; Also, if a request fails, the code queues additional request
; SCSI_REQUEST_SENSE; sense_data from SCSI_REQUEST_SENSE
; contains some information about the error.
.Stage db ?
.sizeof:
end virtual
Stage db ?
ends
section '.flat' code readable writable executable
include '../proc32.inc'
include '../peimport.inc'
include '../fdo.inc'
include '../macros.inc'
section '.flat' code readable align 16
; The start procedure.
proc START
virtual at esp
dd ? ; return address
.reason dd ? ; DRV_ENTRY or DRV_EXIT
.cmdline dd ?
end virtual
; 1. Test whether the procedure is called with the argument DRV_ENTRY.
; If not, return 0.
@ -273,14 +243,14 @@ end virtual
jnz .nothing
; 2. Initialize: we have one global mutex.
mov ecx, free_numbers_lock
call MutexInit
invoke MutexInit
; 3. Register self as a USB driver.
; The name is my_driver = 'usbstor'; IOCTL interface is not supported;
; usb_functions is an offset of a structure with callback functions.
stdcall RegUSBDriver, my_driver, 0, usb_functions
invoke RegUSBDriver, my_driver, 0, usb_functions
; 4. Return the returned value of RegUSBDriver.
.nothing:
ret 4
ret
endp
; Helper procedures to work with requests queue.
@ -298,12 +268,12 @@ virtual at esp
.UserData dd ? ; request_queue_item.UserData
end virtual
; 1. Allocate the memory for the request description.
movi eax, request_queue_item.sizeof
call Kmalloc
movi eax, sizeof.request_queue_item
invoke Kmalloc
test eax, eax
jnz @f
mov esi, nomemory
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi ebx
ret 20
@@:
@ -322,7 +292,7 @@ end virtual
; 4. Lock the queue.
mov esi, [.device]
lea ecx, [esi+usb_device_data.QueueLock]
call MutexLock
invoke MutexLock
; 5. Insert the request to the tail of the queue.
add esi, usb_device_data.RequestsQueue
mov edx, [esi+request_queue_item.Prev]
@ -340,7 +310,7 @@ end virtual
call setup_request
jmp .nothing
.unlock:
call MutexUnlock
invoke MutexUnlock
; 9. Return.
.nothing:
pop esi ebx
@ -369,7 +339,7 @@ end if
stdcall [ebx+request_queue_item.Callback], esi, [ebx+request_queue_item.UserData]
; 4. Lock the queue.
lea ecx, [esi+usb_device_data.QueueLock]
call MutexLock
invoke MutexLock
; 5. Remove the request.
lea edx, [esi+usb_device_data.RequestsQueue]
mov eax, [ebx+request_queue_item.Next]
@ -378,14 +348,14 @@ end if
; 6. Free the request memory.
push eax edx
xchg eax, ebx
call Kfree
invoke Kfree
pop edx ebx
; 7. If there is a next request, start processing.
cmp ebx, edx
jnz setup_request
; 8. Unlock the queue and return.
lea ecx, [esi+usb_device_data.QueueLock]
call MutexUnlock
invoke MutexUnlock
ret
endp
@ -410,14 +380,14 @@ proc setup_request
lea edx, [esi+usb_device_data.ConfigRequest]
mov word [edx], (REQUEST_BORESET shl 8) + 21h ; class request
mov word [edx+6], ax ; length = 0
stdcall USBControlTransferAsync, [esi+usb_device_data.ConfigPipe], edx, eax, eax, recovery_callback1, esi, eax
invoke USBControlTransferAsync, [esi+usb_device_data.ConfigPipe], edx, eax, eax, recovery_callback1, esi, eax
; 2b. Fail here = fatal error.
test eax, eax
jz .fatal
; 2c. Otherwise, unlock the queue and return. recovery_callback1 will continue processing.
.unlock_return:
lea ecx, [esi+usb_device_data.QueueLock]
call MutexUnlock
invoke MutexUnlock
ret
.norecovery:
; 3. Send the command. Fail (no memory or device disconnected) = fatal error.
@ -429,7 +399,7 @@ proc setup_request
; 4. Fatal error. Set status = FATAL, unlock the queue, complete the request.
mov [esi+usb_device_data.Status.Status], CSW_STATUS_FATAL
lea ecx, [esi+usb_device_data.QueueLock]
call MutexUnlock
invoke MutexUnlock
jmp complete_request
endp
@ -453,11 +423,11 @@ proc request_stage1
if DUMP_PACKETS
DEBUGF 1,'K : USBSTOR out:'
mov eax, edx
mov ecx, command_block_wrapper.sizeof
mov ecx, sizeof.command_block_wrapper
call debug_dump
DEBUGF 1,'\n'
end if
stdcall USBNormalTransferAsync, [esi+usb_device_data.OutPipe], edx, command_block_wrapper.sizeof, request_callback1, esi, 0
invoke USBNormalTransferAsync, [esi+usb_device_data.OutPipe], edx, sizeof.command_block_wrapper, request_callback1, esi, 0
test eax, eax
jz .nothing
; 5. If the next stage is data stage in the same direction, enqueue it here.
@ -473,7 +443,7 @@ if DUMP_PACKETS
call debug_dump
DEBUGF 1,'\n'
end if
stdcall USBNormalTransferAsync, [esi+usb_device_data.OutPipe], [edx+request_queue_item.Buffer], [esi+usb_device_data.Command.Length], request_callback2, esi, 0
invoke USBNormalTransferAsync, [esi+usb_device_data.OutPipe], [edx+request_queue_item.Buffer], [esi+usb_device_data.Command.Length], request_callback2, esi, 0
.nothing:
ret
endp
@ -551,7 +521,7 @@ end virtual
cmp [ecx+usb_device_data.Command.Flags], 0
jns .nothing
; 5. Initiate USB transfer. If this fails, go to the error handler.
stdcall USBNormalTransferAsync, [ecx+usb_device_data.InPipe], [edx+request_queue_item.Buffer], [ecx+usb_device_data.Command.Length], request_callback2, ecx, 0
invoke USBNormalTransferAsync, [ecx+usb_device_data.InPipe], [edx+request_queue_item.Buffer], [ecx+usb_device_data.Command.Length], request_callback2, ecx, 0
test eax, eax
jz .error
; 6. The status stage goes to the same direction, enqueue it now.
@ -625,7 +595,7 @@ end if
; 4. Initiate USB transfer. If this fails, go to the error handler.
..enqueue_status:
lea edx, [ecx+usb_device_data.Status]
stdcall USBNormalTransferAsync, [ecx+usb_device_data.InPipe], edx, command_status_wrapper.sizeof, request_callback3, ecx, 0
invoke USBNormalTransferAsync, [ecx+usb_device_data.InPipe], edx, sizeof.command_status_wrapper, request_callback3, ecx, 0
test eax, eax
jz .error
.nothing:
@ -698,7 +668,7 @@ end if
; 6. Invalid status block. Say error, set status to fatal and complete request.
push esi
mov esi, invresponse
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi
mov [esi+usb_device_data.Status.Status], CSW_STATUS_FATAL
jmp .complete
@ -728,10 +698,10 @@ endp
; edx = first argument = pointer to usb_device_data.Command,
; second argument = custom data given to queue_request (ignored).
proc request_sense_req
mov [edx+command_block_wrapper.Length], sense_data.sizeof
mov [edx+command_block_wrapper.Length], sizeof.sense_data
mov [edx+command_block_wrapper.Flags], CBW_FLAG_IN
mov byte [edx+command_block_wrapper.Command+0], SCSI_REQUEST_SENSE
mov byte [edx+command_block_wrapper.Command+4], sense_data.sizeof
mov byte [edx+command_block_wrapper.Command+4], sizeof.sense_data
ret 8
endp
@ -780,25 +750,25 @@ end virtual
jz .known
; 1c. If the device is unknown, print a message and go to 11c.
mov esi, unkdevice
call SysMsgBoardStr
invoke SysMsgBoardStr
jmp .nothing
; 1d. If the device uses known command set, print a message and continue
; configuring.
.known:
push esi
mov esi, okdevice
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi
; 2. Allocate memory for internal device data.
; 2a. Call the kernel.
mov eax, usb_device_data.sizeof
call Kmalloc
mov eax, sizeof.usb_device_data
invoke Kmalloc
; 2b. Check return value.
test eax, eax
jnz @f
; 2c. If failed, say a message and go to 11c.
mov esi, nomemory
call SysMsgBoardStr
invoke SysMsgBoardStr
jmp .nothing
@@:
; 2d. If succeeded, zero the contents and continue configuring.
@ -829,7 +799,7 @@ end virtual
mov [eax+request_queue_item.Next], eax
mov [eax+request_queue_item.Prev], eax
lea ecx, [ebx+usb_device_data.QueueLock]
call MutexInit
invoke MutexInit
; Bulk-only mass storage devices use one OUT bulk endpoint for sending
; command/data and one IN bulk endpoint for receiving data/status.
; Look for those endpoints.
@ -862,9 +832,9 @@ end virtual
jnz .lookep
; 5. Check that the descriptor contains all required data and all data are
; readable. The opposite is an error.
cmp byte [esi+endpoint_descr.bLength], endpoint_descr.sizeof
cmp byte [esi+endpoint_descr.bLength], sizeof.endpoint_descr
jb .errorep
lea ecx, [esi+endpoint_descr.sizeof]
lea ecx, [esi+sizeof.endpoint_descr]
cmp ecx, edx
ja .errorep
; 6. Check that the endpoint is bulk endpoint. The opposite is an error.
@ -887,7 +857,7 @@ end virtual
movzx edx, [esi+endpoint_descr.wMaxPacketSize]
movzx eax, [esi+endpoint_descr.bInterval] ; not used for USB1, may be important for USB2
; 9c. Call the kernel.
stdcall USBOpenPipe, [ebx+usb_device_data.ConfigPipe], ecx, edx, BULK_PIPE, eax
invoke USBOpenPipe, [ebx+usb_device_data.ConfigPipe], ecx, edx, BULK_PIPE, eax
; 9d. Restore registers.
pop edx ecx
; 9e. Check result. If failed, go to 11b.
@ -907,7 +877,7 @@ end virtual
.free:
; 11b. Free the allocated usb_device_data.
xchg eax, ebx
call Kfree
invoke Kfree
.nothing:
; 11c. Return an error.
xor eax, eax
@ -922,7 +892,7 @@ end virtual
if DUMP_PACKETS
DEBUGF 1,'K : GETMAXLUN: %x %x %x %x %x %x %x %x\n',[eax]:2,[eax+1]:2,[eax+2]:2,[eax+3]:2,[eax+4]:2,[eax+5]:2,[eax+6]:2,[eax+7]:2
end if
stdcall USBControlTransferAsync, [ebx+usb_device_data.ConfigPipe], eax, ecx, 1, known_lun_callback, ebx, 0
invoke USBControlTransferAsync, [ebx+usb_device_data.ConfigPipe], eax, ecx, 1, known_lun_callback, ebx, 0
; 13. Return with pointer to device data as returned value.
xchg eax, ebx
.return:
@ -955,15 +925,15 @@ end virtual
mov eax, [ebx+usb_device_data.MaxLUN]
inc eax
DEBUGF 1,'K : %d logical unit(s)\n',eax
imul eax, usb_unit_data.sizeof
imul eax, sizeof.usb_unit_data
push ebx
call Kmalloc
invoke Kmalloc
pop ebx
; If failed, print a message and do nothing.
test eax, eax
jnz @f
mov esi, nomemory
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi ebx
ret 20
@@:
@ -980,12 +950,12 @@ end virtual
mov [esi+usb_unit_data.SectorSize], eax
mov [esi+usb_unit_data.UnitReadyAttempts], eax
push ecx
call GetTimerTicks
invoke GetTimerTicks
mov [esi+usb_unit_data.TimerTicks], eax
stdcall queue_request, ebx, test_unit_ready_req, 0, test_unit_ready_callback, esi
pop ecx
inc ecx
add esi, usb_unit_data.sizeof
add esi, sizeof.usb_unit_data
cmp ecx, [ebx+usb_device_data.MaxLUN]
jbe .looplun
; 4. Return.
@ -999,11 +969,11 @@ endp
proc inquiry_req
mov eax, [esp+8]
mov al, [eax+usb_unit_data.LUN]
mov [edx+command_block_wrapper.Length], inquiry_data.sizeof
mov [edx+command_block_wrapper.Length], sizeof.inquiry_data
mov [edx+command_block_wrapper.Flags], CBW_FLAG_IN
mov [edx+command_block_wrapper.LUN], al
mov byte [edx+command_block_wrapper.Command+0], SCSI_INQUIRY
mov byte [edx+command_block_wrapper.Command+4], inquiry_data.sizeof
mov byte [edx+command_block_wrapper.Command+4], sizeof.inquiry_data
ret 8
endp
@ -1034,7 +1004,7 @@ proc inquiry_callback
movi ebx, 1
mov ecx, new_disk_thread
; edx = parameter
call CreateThread
invoke CreateThread
pop edi esi ecx ebx
cmp eax, -1
jnz .nothing
@ -1046,7 +1016,7 @@ proc inquiry_callback
; 4. The command has failed. Print a message and do nothing.
push esi
mov esi, inquiry_fail
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi
ret 8
endp
@ -1079,7 +1049,7 @@ end virtual
; possibly after some repetitions. Print a debug message showing
; number and time of those. Remember that media is ready and go to 4.
DEBUGF 1,'K : media is ready\n'
call GetTimerTicks
invoke GetTimerTicks
sub eax, [edx+usb_unit_data.TimerTicks]
DEBUGF 1,'K : %d attempts, %d ticks\n',[edx+usb_unit_data.UnitReadyAttempts],eax
inc [edx+usb_unit_data.MediaPresent]
@ -1094,7 +1064,7 @@ end virtual
jz @f
push ecx edx esi
movi esi, 10
call Sleep
invoke Sleep
pop esi edx ecx
stdcall queue_request, ecx, test_unit_ready_req, 0, test_unit_ready_callback, edx
ret 8
@ -1120,7 +1090,7 @@ end virtual
; 1. Generate name.
; 1a. Find a free index.
mov ecx, free_numbers_lock
call MutexLock
invoke MutexLock
xor eax, eax
@@:
bsf edx, [free_numbers+eax]
@ -1128,10 +1098,10 @@ end virtual
add eax, 4
cmp eax, 4*4
jnz @b
call MutexUnlock
invoke MutexUnlock
push esi
mov esi, noindex
call SysMsgBoardStr
invoke SysMsgBoardStr
pop esi
jmp .drop_reference
@@:
@ -1139,7 +1109,7 @@ end virtual
btr [free_numbers+eax], edx
lea eax, [eax*8+edx]
push eax
call MutexUnlock
invoke MutexUnlock
pop eax
; 1c. Generate a name of the form "usbhd<index>" in the stack.
mov dword [esp], 'usbh'
@ -1166,41 +1136,41 @@ end virtual
; 4. Notify the kernel about a new disk.
; 4a. Add a disk.
; stdcall queue_request, ecx, read_capacity_req, eax, read_capacity_callback, eax
stdcall DiskAdd, disk_functions, edx, esi, 0
invoke DiskAdd, disk_functions, edx, esi, 0
mov ebx, eax
; 4b. If it failed, release the index and do nothing.
test eax, eax
jz .free_index
; 4c. Notify the kernel that a media is present.
stdcall DiskMediaChanged, eax, 1
invoke DiskMediaChanged, eax, 1
; 5. Lock the requests queue, check that device is not disconnected,
; store the disk handle, unlock the requests queue.
mov ecx, [esi+usb_unit_data.Parent]
add ecx, usb_device_data.QueueLock
call MutexLock
invoke MutexLock
cmp byte [ecx+usb_device_data.DeviceDisconnected-usb_device_data.QueueLock], 0
jnz .disconnected
mov [esi+usb_unit_data.DiskDevice], ebx
call MutexUnlock
invoke MutexUnlock
jmp .exit
.disconnected:
call MutexUnlock
invoke MutexUnlock
stdcall disk_close, ebx
jmp .exit
.free_index:
mov ecx, free_numbers_lock
call MutexLock
invoke MutexLock
movzx eax, [esi+usb_unit_data.DiskIndex]
bts [free_numbers], eax
call MutexUnlock
invoke MutexUnlock
.drop_reference:
mov esi, [esi+usb_unit_data.Parent]
lock dec [esi+usb_device_data.NumReferences]
jnz .exit
mov eax, [esi+usb_device_data.LogicalDevices]
call Kfree
invoke Kfree
xchg eax, esi
call Kfree
invoke Kfree
.exit:
or eax, -1
int 0x40
@ -1216,7 +1186,7 @@ virtual at esp
end virtual
; 1. Say a message.
mov esi, disconnectmsg
call SysMsgBoardStr
invoke SysMsgBoardStr
; 2. Lock the requests queue, set .DeviceDisconnected to 1,
; unlock the requests queue.
; Locking is required for synchronization with queue_request:
@ -1229,9 +1199,9 @@ end virtual
; then queue_request tries to use them.
mov esi, [.device]
lea ecx, [esi+usb_device_data.QueueLock]
call MutexLock
invoke MutexLock
mov [esi+usb_device_data.DeviceDisconnected], 1
call MutexUnlock
invoke MutexUnlock
; 3. Drop one reference to the structure and check whether
; that was the last reference.
lock dec [esi+usb_device_data.NumReferences]
@ -1247,9 +1217,9 @@ end virtual
mov eax, [esi+usb_unit_data.DiskDevice]
test eax, eax
jz @f
stdcall DiskDel, eax
invoke DiskDel, eax
@@:
add esi, usb_unit_data.sizeof
add esi, sizeof.usb_unit_data
dec ebx
jnz .diskdel
; In this case, some operations with those disks are still possible,
@ -1262,10 +1232,10 @@ end virtual
mov eax, [esi+usb_device_data.LogicalDevices]
test eax, eax
jz @f
call Kfree
invoke Kfree
@@:
xchg eax, esi
call Kfree
invoke Kfree
jmp .return
endp
@ -1286,17 +1256,17 @@ virtual at esp
end virtual
mov esi, [.userdata]
mov ecx, free_numbers_lock
call MutexLock
invoke MutexLock
movzx eax, [esi+usb_unit_data.DiskIndex]
bts [free_numbers], eax
call MutexUnlock
invoke MutexUnlock
mov esi, [esi+usb_unit_data.Parent]
lock dec [esi+usb_device_data.NumReferences]
jnz .nothing
mov eax, [esi+usb_device_data.LogicalDevices]
call Kfree
invoke Kfree
xchg eax, esi
call Kfree
invoke Kfree
.nothing:
pop esi ebx
ret 4
@ -1308,7 +1278,7 @@ proc disk_querymedia stdcall uses ebx esi edi, \
; 1. Create event for waiting.
xor esi, esi
xor ecx, ecx
call CreateEvent
invoke CreateEvent
test eax, eax
jz .generic_fail
push eax
@ -1340,7 +1310,7 @@ end virtual
; 3. Wait for event. This destroys it.
mov eax, [.event]
mov ebx, [.event_code]
call WaitEvent
invoke WaitEvent
; 4. Get the status and results.
pop ecx
bswap ecx ; .LastLBA
@ -1403,7 +1373,7 @@ proc read_capacity_callback
mov ebx, [ecx+disk_querymedia.event_code-disk_querymedia.locals]
xor edx, edx
xor esi, esi
call RaiseEvent
invoke RaiseEvent
pop edi esi ebx
ret 8
endp
@ -1443,7 +1413,7 @@ max_sectors_at_time = 0xFFFF
; 4. Create event for waiting.
xor esi, esi
xor ecx, ecx
call CreateEvent
invoke CreateEvent
test eax, eax
jz .generic_fail
push eax ; .event
@ -1476,7 +1446,7 @@ end virtual
; 6. Wait for event. This destroys it.
mov eax, [.event]
mov ebx, [.event_code]
call WaitEvent
invoke WaitEvent
; 7. Get the status. If the operation has failed, abort.
pop eax ; .status
pop ecx ecx ; cleanup .event_code, .event
@ -1579,7 +1549,7 @@ end virtual
mov ebx, [esi+disk_read_write.event_code-disk_read_write.locals]
xor edx, edx
xor esi, esi
call RaiseEvent
invoke RaiseEvent
; 6. Return.
pop edi esi ebx
ret 8
@ -1599,9 +1569,7 @@ inquiry_fail db 'K : INQUIRY command failed',13,10,0
;read_fail db 'K : READ command failed',13,10,0
noindex db 'K : failed to generate disk name',13,10,0
; Exported variable: kernel API version.
align 4
version dd 50005h
; Structure with callback functions.
usb_functions:
dd usb_functions_end - usb_functions
@ -1620,12 +1588,12 @@ disk_functions:
dd 0 ; adjust_cache_size: use default cache
disk_functions_end:
data fixups
end data
free_numbers_lock rd 3
; 128 devices should be enough for everybody
free_numbers dd -1, -1, -1, -1
; for DEBUGF macro
include_debug_strings
; for uninitialized data
section '.data' data readable writable align 16