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r3711 continued, no binary changes

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git-svn-id: svn://kolibrios.org@3726 a494cfbc-eb01-0410-851d-a64ba20cac60
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CleverMouse 2013-06-28 08:45:59 +00:00
parent 38f0b2a169
commit 436a7c0974
2 changed files with 275 additions and 275 deletions
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470
kernel/trunk/drivers/usbhid/usbhid.asm
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@ -74,15 +74,15 @@ ends
; USB HID structures ; USB HID structures
struct hid_descr struct hid_descr
bLength db ? bLength db ?
bDescriptorType db ? bDescriptorType db ?
bcdHID dw ? bcdHID dw ?
bCountryCode db ? bCountryCode db ?
bNumDescriptors db ? bNumDescriptors db ?
base_sizeof rb 0 base_sizeof rb 0
; now two fields are repeated .bNumDescriptors times: ; now two fields are repeated .bNumDescriptors times:
subDescriptorType db ? subDescriptorType db ?
subDescriptorLength dw ? subDescriptorLength dw ?
ends ends
; Include macro for parsing report descriptors/data. ; Include macro for parsing report descriptors/data.
@ -92,23 +92,23 @@ include 'report.inc'
; Driver data for all devices ; Driver data for all devices
struct usb_device_data struct usb_device_data
hid hid_data ; data of HID layer hid hid_data ; data of HID layer
epdescr dd ? ; endpoint descriptor epdescr dd ? ; endpoint descriptor
hiddescr dd ? ; HID descriptor hiddescr dd ? ; HID descriptor
interface_number dd ? ; copy of interface_descr.bInterfaceNumber interface_number dd ? ; copy of interface_descr.bInterfaceNumber
configpipe dd ? ; config pipe handle configpipe dd ? ; config pipe handle
intpipe dd ? ; interrupt pipe handle intpipe dd ? ; interrupt pipe handle
input_transfer_size dd ? ; input transfer size input_transfer_size dd ? ; input transfer size
input_buffer dd ? ; buffer for input transfers input_buffer dd ? ; buffer for input transfers
control rb 8 ; control packet to device control rb 8 ; control packet to device
ends ends
section '.flat' code readable align 16 section '.flat' code readable align 16
; The start procedure. ; The start procedure.
proc START proc START
virtual at esp virtual at esp
dd ? ; return address dd ? ; return address
.reason dd ? .reason dd ?
end virtual end virtual
; 1. Test whether the procedure is called with the argument DRV_ENTRY. ; 1. Test whether the procedure is called with the argument DRV_ENTRY.
; If not, return 0. ; If not, return 0.
@ -127,30 +127,30 @@ endp
; This procedure is called when new HID device is detected. ; This procedure is called when new HID device is detected.
; It initializes the device. ; It initializes the device.
proc AddDevice proc AddDevice
push ebx esi edi ; save used registers to be stdcall push ebx esi edi ; save used registers to be stdcall
virtual at esp virtual at esp
rd 3 ; saved registers rd 3 ; saved registers
dd ? ; return address dd ? ; return address
.config_pipe dd ? .config_pipe dd ?
.config_descr dd ? .config_descr dd ?
.interface dd ? .interface dd ?
end virtual end virtual
DEBUGF 1,'K : USB HID device detected\n' DEBUGF 1,'K : USB HID device detected\n'
; 1. Allocate memory for device data. ; 1. Allocate memory for device data.
movi eax, sizeof.usb_device_data movi eax, sizeof.usb_device_data
call Kmalloc call Kmalloc
test eax, eax test eax, eax
jnz @f jnz @f
mov esi, nomemory_msg mov esi, nomemory_msg
call SysMsgBoardStr call SysMsgBoardStr
jmp .return0 jmp .return0
@@: @@:
; zero-initialize it ; zero-initialize it
mov edi, eax mov edi, eax
xchg eax, ebx xchg eax, ebx
xor eax, eax xor eax, eax
movi ecx, sizeof.usb_device_data / 4 movi ecx, sizeof.usb_device_data / 4
rep stosd rep stosd
mov edx, [.interface] mov edx, [.interface]
; HID devices use one IN interrupt endpoint for polling the device ; HID devices use one IN interrupt endpoint for polling the device
; and an optional OUT interrupt endpoint. We do not use the later, ; and an optional OUT interrupt endpoint. We do not use the later,
@ -171,8 +171,8 @@ end virtual
.lookep: .lookep:
; 3b. Get next descriptor. ; 3b. Get next descriptor.
movzx ecx, byte [edx] ; the first byte of all descriptors is length movzx ecx, byte [edx] ; the first byte of all descriptors is length
test ecx, ecx test ecx, ecx
jz .cfgerror jz .cfgerror
add edx, ecx add edx, ecx
; 3c. Check that at least two bytes are readable. The opposite is an error. ; 3c. Check that at least two bytes are readable. The opposite is an error.
inc edx inc edx
@ -188,34 +188,34 @@ end virtual
; For other descriptors, continue the loop. ; For other descriptors, continue the loop.
; Note: bDescriptorType is in the same place in all descriptors. ; Note: bDescriptorType is in the same place in all descriptors.
cmp [edx+endpoint_descr.bDescriptorType], ENDPOINT_DESCR_TYPE cmp [edx+endpoint_descr.bDescriptorType], ENDPOINT_DESCR_TYPE
jz .foundep jz .foundep
cmp [edx+endpoint_descr.bDescriptorType], HID_DESCR_TYPE cmp [edx+endpoint_descr.bDescriptorType], HID_DESCR_TYPE
jnz .lookep jnz .lookep
; 4a. Check that the descriptor contains all required data and all data are ; 4a. Check that the descriptor contains all required data and all data are
; readable. The opposite is an error. ; readable. The opposite is an error.
movzx ecx, [edx+hid_descr.bLength] movzx ecx, [edx+hid_descr.bLength]
cmp ecx, hid_descr.base_sizeof + 3 cmp ecx, hid_descr.base_sizeof + 3
jb .cfgerror jb .cfgerror
add ecx, edx add ecx, edx
cmp ecx, eax cmp ecx, eax
ja .cfgerror ja .cfgerror
; 4b. Store the pointer in usb_device_data structure for further references. ; 4b. Store the pointer in usb_device_data structure for further references.
mov [ebx+usb_device_data.hiddescr], edx mov [ebx+usb_device_data.hiddescr], edx
; 4c. Continue the loop. ; 4c. Continue the loop.
jmp .lookep jmp .lookep
.foundep: .foundep:
; 5a. Check that the descriptor contains all required data and all data are ; 5a. Check that the descriptor contains all required data and all data are
; readable. The opposite is an error. ; readable. The opposite is an error.
cmp byte [edx+endpoint_descr.bLength], sizeof.endpoint_descr cmp byte [edx+endpoint_descr.bLength], sizeof.endpoint_descr
jb .cfgerror jb .cfgerror
lea ecx, [edx+sizeof.endpoint_descr] lea ecx, [edx+sizeof.endpoint_descr]
cmp ecx, eax cmp ecx, eax
jbe @f jbe @f
; 6. An error occured during processing endpoint descriptor. ; 6. An error occured during processing endpoint descriptor.
.cfgerror: .cfgerror:
; 6a. Print a message. ; 6a. Print a message.
mov esi, invalid_config_descr_msg mov esi, invalid_config_descr_msg
call SysMsgBoardStr call SysMsgBoardStr
; 6b. Free memory allocated for device data. ; 6b. Free memory allocated for device data.
.free: .free:
xchg eax, ebx xchg eax, ebx
@ -224,112 +224,112 @@ end virtual
; 6c. Return an error. ; 6c. Return an error.
xor eax, eax xor eax, eax
.nothing: .nothing:
pop edi esi ebx ; restore used registers to be stdcall pop edi esi ebx ; restore used registers to be stdcall
ret 12 ret 12
@@: @@:
; 5b. If this is not IN interrupt endpoint, ignore it and continue the loop. ; 5b. If this is not IN interrupt endpoint, ignore it and continue the loop.
test [edx+endpoint_descr.bEndpointAddress], 80h test [edx+endpoint_descr.bEndpointAddress], 80h
jz .lookep jz .lookep
mov cl, [edx+endpoint_descr.bmAttributes] mov cl, [edx+endpoint_descr.bmAttributes]
and cl, 3 and cl, 3
cmp cl, INTERRUPT_PIPE cmp cl, INTERRUPT_PIPE
jnz .lookep jnz .lookep
; 5c. Store the pointer in usb_device_data structure for futher references. ; 5c. Store the pointer in usb_device_data structure for futher references.
mov [ebx+usb_device_data.epdescr], edx mov [ebx+usb_device_data.epdescr], edx
; 5d. Check that HID descriptor was found. If not, go to 6. ; 5d. Check that HID descriptor was found. If not, go to 6.
cmp [ebx+usb_device_data.hiddescr], 0 cmp [ebx+usb_device_data.hiddescr], 0
jz .cfgerror jz .cfgerror
.descriptors_found: .descriptors_found:
; 6. Configuration descriptor seems to be ok. ; 6. Configuration descriptor seems to be ok.
; Send SET_IDLE command disabling auto-repeat feature (it is quite useless) ; Send SET_IDLE command disabling auto-repeat feature (it is quite useless)
; and continue configuring in SET_IDLE callback. ; and continue configuring in SET_IDLE callback.
lea edx, [ebx+usb_device_data.control] lea edx, [ebx+usb_device_data.control]
mov eax, [.interface] mov eax, [.interface]
mov dword [edx], 21h + \ ; Class-specific request to Interface mov dword [edx], 21h + \ ; Class-specific request to Interface
(0Ah shl 8) + \ ; SET_IDLE (0Ah shl 8) + \ ; SET_IDLE
(0 shl 16) + \ ; apply to all input reports (0 shl 16) + \ ; apply to all input reports
(0 shl 24) ; disable auto-repeat (0 shl 24) ; disable auto-repeat
movzx eax, [eax+interface_descr.bInterfaceNumber] movzx eax, [eax+interface_descr.bInterfaceNumber]
mov [ebx+usb_device_data.interface_number], eax mov [ebx+usb_device_data.interface_number], eax
mov [edx+4], eax ; set interface number, zero length mov [edx+4], eax ; set interface number, zero length
mov eax, [.config_pipe] mov eax, [.config_pipe]
mov [ebx+usb_device_data.configpipe], eax mov [ebx+usb_device_data.configpipe], eax
xor ecx, ecx xor ecx, ecx
stdcall USBControlTransferAsync, eax, edx, ecx, ecx, idle_set, ebx, ecx stdcall USBControlTransferAsync, eax, edx, ecx, ecx, idle_set, ebx, ecx
; 7. Return pointer to usb_device_data. ; 7. Return pointer to usb_device_data.
xchg eax, ebx xchg eax, ebx
jmp .nothing jmp .nothing
endp endp
; This procedure is called by USB stack when SET_IDLE request initiated by ; This procedure is called by USB stack when SET_IDLE request initiated by
; AddDevice is completed, either successfully or unsuccessfully. ; AddDevice is completed, either successfully or unsuccessfully.
proc idle_set proc idle_set
push ebx esi ; save used registers to be stdcall push ebx esi ; save used registers to be stdcall
virtual at esp virtual at esp
rd 2 ; saved registers rd 2 ; saved registers
dd ? ; return address dd ? ; return address
.pipe dd ? .pipe dd ?
.status dd ? .status dd ?
.buffer dd ? .buffer dd ?
.length dd ? .length dd ?
.calldata dd ? .calldata dd ?
end virtual end virtual
; Ignore status. Support for SET_IDLE is optional, so the device is free to ; Ignore status. Support for SET_IDLE is optional, so the device is free to
; STALL the request; config pipe should remain functional without explicit cleanup. ; STALL the request; config pipe should remain functional without explicit cleanup.
mov ebx, [.calldata] mov ebx, [.calldata]
; 1. HID descriptor contains length of Report descriptor. Parse it. ; 1. HID descriptor contains length of Report descriptor. Parse it.
mov esi, [ebx+usb_device_data.hiddescr] mov esi, [ebx+usb_device_data.hiddescr]
movzx ecx, [esi+hid_descr.bNumDescriptors] movzx ecx, [esi+hid_descr.bNumDescriptors]
lea eax, [hid_descr.base_sizeof+ecx*3] lea eax, [hid_descr.base_sizeof+ecx*3]
cmp eax, 100h cmp eax, 100h
jae .cfgerror jae .cfgerror
cmp al, [esi+hid_descr.bLength] cmp al, [esi+hid_descr.bLength]
jb .cfgerror jb .cfgerror
.look_report: .look_report:
dec ecx dec ecx
js .cfgerror js .cfgerror
cmp [esi+hid_descr.subDescriptorType], REPORT_DESCR_TYPE cmp [esi+hid_descr.subDescriptorType], REPORT_DESCR_TYPE
jz .found_report jz .found_report
add esi, 3 add esi, 3
jmp .look_report jmp .look_report
.cfgerror: .cfgerror:
mov esi, invalid_config_descr_msg mov esi, invalid_config_descr_msg
.abort_with_msg: .abort_with_msg:
call SysMsgBoardStr call SysMsgBoardStr
jmp .nothing jmp .nothing
.found_report: .found_report:
; 2. Send request for the Report descriptor. ; 2. Send request for the Report descriptor.
; 2a. Allocate memory. ; 2a. Allocate memory.
movzx eax, [esi+hid_descr.subDescriptorLength] movzx eax, [esi+hid_descr.subDescriptorLength]
test eax, eax test eax, eax
jz .cfgerror jz .cfgerror
push eax push eax
call Kmalloc call Kmalloc
pop ecx pop ecx
; If failed, say a message and stop initialization. ; If failed, say a message and stop initialization.
mov esi, nomemory_msg mov esi, nomemory_msg
test eax, eax test eax, eax
jz .abort_with_msg jz .abort_with_msg
; 2b. Submit the request. ; 2b. Submit the request.
xchg eax, esi xchg eax, esi
lea edx, [ebx+usb_device_data.control] lea edx, [ebx+usb_device_data.control]
mov eax, [ebx+usb_device_data.interface_number] mov eax, [ebx+usb_device_data.interface_number]
mov dword [edx], 81h + \ ; Standard request to Interface mov dword [edx], 81h + \ ; Standard request to Interface
(6 shl 8) + \ ; GET_DESCRIPTOR (6 shl 8) + \ ; GET_DESCRIPTOR
(0 shl 16) + \ ; descriptor index: there is only one report descriptor (0 shl 16) + \ ; descriptor index: there is only one report descriptor
(REPORT_DESCR_TYPE shl 24); descriptor type (REPORT_DESCR_TYPE shl 24); descriptor type
mov [edx+4], ax ; Interface number mov [edx+4], ax ; Interface number
mov [edx+6], cx ; descriptor length mov [edx+6], cx ; descriptor length
stdcall USBControlTransferAsync, [ebx+usb_device_data.configpipe], \ stdcall USBControlTransferAsync, [ebx+usb_device_data.configpipe], \
edx, esi, ecx, got_report, ebx, 0 edx, esi, ecx, got_report, ebx, 0
; 2c. If failed, free the buffer and stop initialization. ; 2c. If failed, free the buffer and stop initialization.
test eax, eax test eax, eax
jnz .nothing jnz .nothing
xchg eax, esi xchg eax, esi
call Kfree call Kfree
.nothing: .nothing:
pop esi ebx ; restore used registers to be stdcall pop esi ebx ; restore used registers to be stdcall
ret 20 ret 20
endp endp
; This procedure is called by USB stack when the report descriptor queried ; This procedure is called by USB stack when the report descriptor queried
@ -338,100 +338,100 @@ proc got_report stdcall uses ebx esi edi, pipe, status, buffer, length, calldata
locals locals
parse_descr_locals parse_descr_locals
if ~HID_DUMP_UNCLAIMED if ~HID_DUMP_UNCLAIMED
has_driver db ? has_driver db ?
rb 3 rb 3
end if end if
endl endl
; 1. Check the status; if the request has failed, say something to the debug board ; 1. Check the status; if the request has failed, say something to the debug board
; and stop initialization. ; and stop initialization.
cmp [status], 0 cmp [status], 0
jnz .generic_fail jnz .generic_fail
; 2. Subtract size of setup packet from the total length; ; 2. Subtract size of setup packet from the total length;
; the rest is length of the descriptor, and it must be nonzero. ; the rest is length of the descriptor, and it must be nonzero.
sub [length], 8 sub [length], 8
ja .has_something ja .has_something
.generic_fail: .generic_fail:
push esi push esi
mov esi, reportfail mov esi, reportfail
call SysMsgBoardStr call SysMsgBoardStr
pop esi pop esi
jmp .exit jmp .exit
.has_something: .has_something:
; 3. Process descriptor. ; 3. Process descriptor.
; 3a. Dump it to the debug board, if enabled in compile-time setting. ; 3a. Dump it to the debug board, if enabled in compile-time setting.
if USB_DUMP_DESCRIPTORS if USB_DUMP_DESCRIPTORS
mov eax, [buffer] mov eax, [buffer]
mov ecx, [length] mov ecx, [length]
DEBUGF 1,'K : report descriptor:' DEBUGF 1,'K : report descriptor:'
@@: @@:
DEBUGF 1,' %x',[eax]:2 DEBUGF 1,' %x',[eax]:2
inc eax inc eax
dec ecx dec ecx
jnz @b jnz @b
DEBUGF 1,'\n' DEBUGF 1,'\n'
end if end if
; 3b. Call the HID layer. ; 3b. Call the HID layer.
parse_descr parse_descr
cmp [report_ok], 0 cmp [report_ok], 0
jz got_report.exit jz got_report.exit
mov ebx, [calldata] mov ebx, [calldata]
postprocess_descr postprocess_descr
; 4. Stop initialization if no driver is assigned. ; 4. Stop initialization if no driver is assigned.
if ~HID_DUMP_UNCLAIMED if ~HID_DUMP_UNCLAIMED
cmp [has_driver], 0 cmp [has_driver], 0
jz got_report.exit jz got_report.exit
end if end if
; 5. Open interrupt IN pipe. If failed, stop initialization. ; 5. Open interrupt IN pipe. If failed, stop initialization.
mov edx, [ebx+usb_device_data.epdescr] mov edx, [ebx+usb_device_data.epdescr]
movzx ecx, [edx+endpoint_descr.bEndpointAddress] movzx ecx, [edx+endpoint_descr.bEndpointAddress]
movzx eax, [edx+endpoint_descr.bInterval] movzx eax, [edx+endpoint_descr.bInterval]
movzx edx, [edx+endpoint_descr.wMaxPacketSize] movzx edx, [edx+endpoint_descr.wMaxPacketSize]
stdcall USBOpenPipe, [ebx+usb_device_data.configpipe], ecx, edx, INTERRUPT_PIPE, eax stdcall USBOpenPipe, [ebx+usb_device_data.configpipe], ecx, edx, INTERRUPT_PIPE, eax
test eax, eax test eax, eax
jz got_report.exit jz got_report.exit
mov [ebx+usb_device_data.intpipe], eax mov [ebx+usb_device_data.intpipe], eax
; 6. Initialize buffer for input packet. ; 6. Initialize buffer for input packet.
; 6a. Find the length of input packet. ; 6a. Find the length of input packet.
; This is the maximal length of all input reports. ; This is the maximal length of all input reports.
mov edx, [ebx+usb_device_data.hid.input.first_report] mov edx, [ebx+usb_device_data.hid.input.first_report]
xor eax, eax xor eax, eax
.find_input_size: .find_input_size:
test edx, edx test edx, edx
jz .found_input_size jz .found_input_size
cmp eax, [edx+report.size] cmp eax, [edx+report.size]
jae @f jae @f
mov eax, [edx+report.size] mov eax, [edx+report.size]
@@: @@:
mov edx, [edx+report.next] mov edx, [edx+report.next]
jmp .find_input_size jmp .find_input_size
.found_input_size: .found_input_size:
; report.size is in bits, transform it to bytes ; report.size is in bits, transform it to bytes
add eax, 7 add eax, 7
shr eax, 3 shr eax, 3
; if reports are numbered, the first byte is report ID, include it ; if reports are numbered, the first byte is report ID, include it
cmp [ebx+usb_device_data.hid.input.numbered], 0 cmp [ebx+usb_device_data.hid.input.numbered], 0
jz @f jz @f
inc eax inc eax
@@: @@:
mov [ebx+usb_device_data.input_transfer_size], eax mov [ebx+usb_device_data.input_transfer_size], eax
; 6b. Allocate memory for input packet: dword-align and add additional dword ; 6b. Allocate memory for input packet: dword-align and add additional dword
; for extract_field_value. ; for extract_field_value.
add eax, 4+3 add eax, 4+3
and eax, not 3 and eax, not 3
call Kmalloc call Kmalloc
test eax, eax test eax, eax
jnz @f jnz @f
mov esi, nomemory_msg mov esi, nomemory_msg
call SysMsgBoardStr call SysMsgBoardStr
jmp got_report.exit jmp got_report.exit
@@: @@:
mov [ebx+usb_device_data.input_buffer], eax mov [ebx+usb_device_data.input_buffer], eax
; 7. Submit a request for input packet and wait for input. ; 7. Submit a request for input packet and wait for input.
call ask_for_input call ask_for_input
got_report.exit: got_report.exit:
mov eax, [buffer] mov eax, [buffer]
call Kfree call Kfree
ret ret
endp endp
; Helper procedure for got_report and got_input. ; Helper procedure for got_report and got_input.
@ -439,13 +439,13 @@ endp
proc ask_for_input proc ask_for_input
; just call USBNormalTransferAsync with correct parameters, ; just call USBNormalTransferAsync with correct parameters,
; allow short packets ; allow short packets
stdcall USBNormalTransferAsync, \ stdcall USBNormalTransferAsync, \
[ebx+usb_device_data.intpipe], \ [ebx+usb_device_data.intpipe], \
[ebx+usb_device_data.input_buffer], \ [ebx+usb_device_data.input_buffer], \
[ebx+usb_device_data.input_transfer_size], \ [ebx+usb_device_data.input_transfer_size], \
got_input, ebx, \ got_input, ebx, \
1 1
ret ret
endp endp
; This procedure is called by USB stack when a HID device responds with input ; This procedure is called by USB stack when a HID device responds with input
@ -455,67 +455,67 @@ locals
parse_input_locals parse_input_locals
endl endl
; 1. Validate parameters: fail on error, ignore zero-length transfers. ; 1. Validate parameters: fail on error, ignore zero-length transfers.
mov ebx, [calldata] mov ebx, [calldata]
cmp [status], 0 cmp [status], 0
jnz .fail jnz .fail
cmp [length], 0 cmp [length], 0
jz .done jz .done
; 2. Get pointer to report in esi. ; 2. Get pointer to report in esi.
; 2a. If there are no report IDs, use hid.input.data. ; 2a. If there are no report IDs, use hid.input.data.
mov eax, [buffer] mov eax, [buffer]
mov esi, [ebx+usb_device_data.hid.input.data] mov esi, [ebx+usb_device_data.hid.input.data]
cmp [ebx+usb_device_data.hid.input.numbered], 0 cmp [ebx+usb_device_data.hid.input.numbered], 0
jz .report_found jz .report_found
; 2b. Otherwise, the first byte of report is report ID; ; 2b. Otherwise, the first byte of report is report ID;
; locate the report by its ID, advance buffer+length to one byte. ; locate the report by its ID, advance buffer+length to one byte.
movzx eax, byte [eax] movzx eax, byte [eax]
mov esi, [esi+eax*4] mov esi, [esi+eax*4]
inc [buffer] inc [buffer]
dec [length] dec [length]
.report_found: .report_found:
; 3. Validate: ignore transfers with unregistered report IDs ; 3. Validate: ignore transfers with unregistered report IDs
; and transfers which are too short for the corresponding report. ; and transfers which are too short for the corresponding report.
test esi, esi test esi, esi
jz .done jz .done
mov eax, [esi+report.size] mov eax, [esi+report.size]
add eax, 7 add eax, 7
shr eax, 3 shr eax, 3
cmp eax, [length] cmp eax, [length]
ja .done ja .done
; 4. Pass everything to HID layer. ; 4. Pass everything to HID layer.
parse_input parse_input
.done: .done:
; 5. Query the next input. ; 5. Query the next input.
mov ebx, [calldata] mov ebx, [calldata]
call ask_for_input call ask_for_input
.nothing: .nothing:
ret ret
.fail: .fail:
mov esi, transfer_error_msg mov esi, transfer_error_msg
call SysMsgBoardStr call SysMsgBoardStr
jmp .nothing jmp .nothing
endp endp
; This function is called by the USB subsystem when a device is disconnected. ; This function is called by the USB subsystem when a device is disconnected.
proc DeviceDisconnected proc DeviceDisconnected
push ebx esi edi ; save used registers to be stdcall push ebx esi edi ; save used registers to be stdcall
virtual at esp virtual at esp
rd 3 ; saved registers rd 3 ; saved registers
dd ? ; return address dd ? ; return address
.device_data dd ? .device_data dd ?
end virtual end virtual
; 1. Say a message. ; 1. Say a message.
mov ebx, [.device_data] mov ebx, [.device_data]
mov esi, disconnectmsg mov esi, disconnectmsg
stdcall SysMsgBoardStr stdcall SysMsgBoardStr
; 2. Ask HID layer to release all HID-related resources. ; 2. Ask HID layer to release all HID-related resources.
hid_cleanup hid_cleanup
; 3. Free the device data. ; 3. Free the device data.
xchg eax, ebx xchg eax, ebx
call Kfree call Kfree
; 4. Return. ; 4. Return.
.nothing: .nothing:
pop edi esi ebx ; restore used registers to be stdcall pop edi esi ebx ; restore used registers to be stdcall
ret 4 ; purge one dword argument to be stdcall ret 4 ; purge one dword argument to be stdcall
endp endp
@ -526,13 +526,13 @@ include 'keyboard.inc'
; strings ; strings
my_driver db 'usbhid',0 my_driver db 'usbhid',0
nomemory_msg db 'K : no memory',13,10,0 nomemory_msg db 'K : no memory',13,10,0
invalid_config_descr_msg db 'K : invalid config descriptor',13,10,0 invalid_config_descr_msg db 'K : invalid config descriptor',13,10,0
reportfail db 'K : failed to read report descriptor',13,10,0 reportfail db 'K : failed to read report descriptor',13,10,0
transfer_error_msg db 'K : USB transfer error, disabling HID device',13,10,0 transfer_error_msg db 'K : USB transfer error, disabling HID device',13,10,0
disconnectmsg db 'K : USB HID device disconnected',13,10,0 disconnectmsg db 'K : USB HID device disconnected',13,10,0
invalid_report_msg db 'K : report descriptor is invalid',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 delimiter_note db 'K : note: alternate usage ignored',13,10,0
; Exported variable: kernel API version. ; Exported variable: kernel API version.
align 4 align 4

70
kernel/trunk/kernel.asm
View File

@ -358,7 +358,7 @@ high_code:
call mutex_init call mutex_init
; SAVE REAL MODE VARIABLES ; SAVE REAL MODE VARIABLES
xor eax,eax xor eax, eax
mov ax, [BOOT_VAR + BOOT_IDE_PI_16] mov ax, [BOOT_VAR + BOOT_IDE_PI_16]
mov [IDEContrProgrammingInterface], ax mov [IDEContrProgrammingInterface], ax
mov ax, [BOOT_VAR + BOOT_IDE_BASE_ADDR] mov ax, [BOOT_VAR + BOOT_IDE_BASE_ADDR]
@ -366,28 +366,28 @@ high_code:
mov ax, [BOOT_VAR + BOOT_IDE_BAR0_16] mov ax, [BOOT_VAR + BOOT_IDE_BAR0_16]
mov [IDE_BAR0_val], ax mov [IDE_BAR0_val], ax
cmp ax,0 cmp ax, 0
je @f je @f
cmp ax,1 cmp ax, 1
je @f je @f
and ax,0xfff0 and ax, 0xfff0
mov [StandardATABases],ax mov [StandardATABases], ax
mov [hd_address_table],eax mov [hd_address_table], eax
mov [hd_address_table+8],eax mov [hd_address_table+8], eax
@@: @@:
mov ax, [BOOT_VAR + BOOT_IDE_BAR1_16] mov ax, [BOOT_VAR + BOOT_IDE_BAR1_16]
mov [IDE_BAR1_val], ax mov [IDE_BAR1_val], ax
mov ax, [BOOT_VAR + BOOT_IDE_BAR2_16] mov ax, [BOOT_VAR + BOOT_IDE_BAR2_16]
mov [IDE_BAR2_val], ax mov [IDE_BAR2_val], ax
cmp ax,0 cmp ax, 0
je @f je @f
cmp ax,1 cmp ax, 1
je @f je @f
and ax,0xfff0 and ax, 0xfff0
mov [StandardATABases+2],ax mov [StandardATABases+2], ax
mov [hd_address_table+16],eax mov [hd_address_table+16], eax
mov [hd_address_table+24],eax mov [hd_address_table+24], eax
@@: @@:
mov ax, [BOOT_VAR + BOOT_IDE_BAR3_16] mov ax, [BOOT_VAR + BOOT_IDE_BAR3_16]
mov [IDE_BAR3_val], ax mov [IDE_BAR3_val], ax
@ -1067,7 +1067,7 @@ end if
cmp [IDEContrRegsBaseAddr], 0 cmp [IDEContrRegsBaseAddr], 0
setnz [dma_hdd] setnz [dma_hdd]
cmp [dma_hdd],0 cmp [dma_hdd], 0
je .print_pio je .print_pio
.print_dma: .print_dma:
DEBUGF 1, "K : IDE DMA mode\n" DEBUGF 1, "K : IDE DMA mode\n"
@ -1634,27 +1634,27 @@ endg
dec ecx dec ecx
jnz noprma jnz noprma
mov eax,[hd_address_table] mov eax, [hd_address_table]
mov [cdbase], eax ;0x1f0 mov [cdbase], eax ;0x1f0
mov [cdid], 0xa0 mov [cdid], 0xa0
noprma: noprma:
dec ecx dec ecx
jnz noprsl jnz noprsl
mov eax,[hd_address_table] mov eax, [hd_address_table]
mov [cdbase], eax ;0x1f0 mov [cdbase], eax ;0x1f0
mov [cdid], 0xb0 mov [cdid], 0xb0
noprsl: noprsl:
dec ecx dec ecx
jnz nosema jnz nosema
mov eax,[hd_address_table+16] mov eax, [hd_address_table+16]
mov [cdbase], eax ;0x170 mov [cdbase], eax ;0x170
mov [cdid], 0xa0 mov [cdid], 0xa0
nosema: nosema:
dec ecx dec ecx
jnz nosesl jnz nosesl
mov eax,[hd_address_table+16] mov eax, [hd_address_table+16]
mov [cdbase], eax ;0x170 mov [cdbase], eax ;0x170
mov [cdid], 0xb0 mov [cdid], 0xb0
nosesl: nosesl:
ret ret
@ -1683,8 +1683,8 @@ endg
cmp ecx, 1 cmp ecx, 1
jnz noprmahd jnz noprmahd
mov eax,[hd_address_table] mov eax, [hd_address_table]
mov [hdbase], eax ;0x1f0 mov [hdbase], eax ;0x1f0
and dword [hdid], 0x0 and dword [hdid], 0x0
mov dword [hdpos], ecx mov dword [hdpos], ecx
; call set_FAT32_variables ; call set_FAT32_variables
@ -1692,8 +1692,8 @@ endg
cmp ecx, 2 cmp ecx, 2
jnz noprslhd jnz noprslhd
mov eax,[hd_address_table] mov eax, [hd_address_table]
mov [hdbase], eax ;0x1f0 mov [hdbase], eax ;0x1f0
mov [hdid], 0x10 mov [hdid], 0x10
mov dword [hdpos], ecx mov dword [hdpos], ecx
; call set_FAT32_variables ; call set_FAT32_variables
@ -1701,8 +1701,8 @@ endg
cmp ecx, 3 cmp ecx, 3
jnz nosemahd jnz nosemahd
mov eax,[hd_address_table+16] mov eax, [hd_address_table+16]
mov [hdbase], eax ;0x170 mov [hdbase], eax ;0x170
and dword [hdid], 0x0 and dword [hdid], 0x0
mov dword [hdpos], ecx mov dword [hdpos], ecx
; call set_FAT32_variables ; call set_FAT32_variables
@ -1710,8 +1710,8 @@ endg
cmp ecx, 4 cmp ecx, 4
jnz noseslhd jnz noseslhd
mov eax,[hd_address_table+16] mov eax, [hd_address_table+16]
mov [hdbase], eax ;0x170 mov [hdbase], eax ;0x170
mov [hdid], 0x10 mov [hdid], 0x10
mov dword [hdpos], ecx mov dword [hdpos], ecx
; call set_FAT32_variables ; call set_FAT32_variables