acpi: update

git-svn-id: svn://kolibrios.org@3725 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2013-06-28 08:02:49 +00:00
parent 658fbe4d63
commit 38f0b2a169
43 changed files with 1819 additions and 1038 deletions

View File

@ -349,10 +349,8 @@ disk_add:
inc eax
cmp byte [ebx+eax-1], 0
jnz @b
; 2b. Call the heap manager. Note that it can change ebx.
push ebx
; 2b. Call the heap manager.
call malloc
pop ebx
; 2c. Check the result. If allocation failed, go to 7.
pop esi ; restore allocated pointer to DISK
test eax, eax

File diff suppressed because it is too large Load Diff

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@ -136,14 +136,7 @@ found_slot_access_denied:
ret
;--------------------------------------------------------------------
align 4
clear_hd_cache:
ret
;--------------------------------------------------------------------
align 4
calculate_cache:
; mov ecx,cache_max ; entries in cache
; mov esi,HD_CACHE+8
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
@ -221,7 +214,6 @@ calculate_cache:
;--------------------------------------------------------------------
align 4
calculate_cache_1:
; lea esi,[edi*8+HD_CACHE]
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
@ -290,7 +282,6 @@ calculate_cache_1:
;--------------------------------------------------------------------
align 4
calculate_cache_2:
; add esi,HD_CACHE+65536
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
@ -644,9 +635,6 @@ clear_CD_cache:
;--------------------------------------------------------------------
align 4
cd_calculate_cache:
; mov ecx,cache_max ; entries in cache
; mov esi,HD_CACHE+8
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
@ -697,7 +685,6 @@ cd_calculate_cache:
;--------------------------------------------------------------------
align 4
cd_calculate_cache_1:
; lea esi,[edi*8+HD_CACHE]
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
@ -740,7 +727,6 @@ cd_calculate_cache_1:
;--------------------------------------------------------------------
align 4
cd_calculate_cache_2:
; add esi,HD_CACHE+65536
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1

View File

@ -387,7 +387,12 @@ sayerr:
push 0
pop es
and word [es:BOOT_IDE_BASE_ADDR], 0
xor ax, ax
and word [es:BOOT_IDE_BASE_ADDR], ax ;0
and word [es:BOOT_IDE_BAR0_16], ax ;0
and word [es:BOOT_IDE_BAR1_16], ax ;0
and word [es:BOOT_IDE_BAR2_16], ax ;0
and word [es:BOOT_IDE_BAR3_16], ax ;0
; \begin{Mario79}
; find HDD IDE DMA PCI device
; check for PCI BIOS
@ -400,31 +405,85 @@ sayerr:
; class 1 = mass storage
; subclass 1 = IDE controller
; a) class 1, subclass 1, programming interface 0x80
; This is a Parallel IDE Controller which uses IRQs 14 and 15.
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x80
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found
; b) class 1, subclass 1, programming interface 0x8A
jnc .found_1 ; Parallel IDE Controller
; b) class 1, subclass 1, programming interface 0x8f
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x8A
mov ecx, 1*10000h + 1*100h + 0x8f
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found
; c) class 1, subclass 1, programming interface 0x85
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x85
xor si, si
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jc .nopci
.found:
; get memory base
jnc .found
; d) class 1, subclass 1, programming interface 0x8A
; This is a Parallel IDE Controller which uses IRQs 14 and 15.
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x8A
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found_1 ; Parallel IDE Controller
jmp .nopci
.found_1:
; get memory base BAR4
mov ax, 0xB10A
mov di, 0x20 ; memory base is config register at 0x20
push cx
int 0x1A
jc .nopci
jc .no_BAR4 ;.nopci
and cx, 0xFFF0 ; clear address decode type
mov [es:BOOT_IDE_BASE_ADDR], cx
.no_BAR4:
pop cx
.found:
; get memory base BAR0
mov ax, 0xB10A
mov di, 0x10 ; memory base is config register at 0x10
push cx
int 0x1A
jc .no_BAR0 ;.nopci
mov [es:BOOT_IDE_BAR0_16], cx
.no_BAR0:
pop cx
; get memory base BAR1
mov ax, 0xB10A
mov di, 0x14 ; memory base is config register at 0x14
push cx
int 0x1A
jc .no_BAR1 ;.nopci
mov [es:BOOT_IDE_BAR1_16], cx
.no_BAR1:
pop cx
; get memory base BAR2
mov ax, 0xB10A
mov di, 0x18 ; memory base is config register at 0x18
push cx
int 0x1A
jc .no_BAR2 ;.nopci
mov [es:BOOT_IDE_BAR2_16], cx
.no_BAR2:
pop cx
; get memory base BAR3
mov ax, 0xB10A
mov di, 0x1C ; memory base is config register at 0x1c
push cx
int 0x1A
jc .no_BAR3 ;.nopci
mov [es:BOOT_IDE_BAR3_16], cx
.no_BAR3:
pop cx
.nopci:
; \end{Mario79}
@ -550,8 +609,8 @@ end if
; following 4 lines set variables to 1 if its current value is 0
cmp byte [di+preboot_dma-preboot_device], 1
adc byte [di+preboot_dma-preboot_device], 0
cmp byte [di+preboot_biosdisk-preboot_device], 1
adc byte [di+preboot_biosdisk-preboot_device], 0
; cmp byte [di+preboot_biosdisk-preboot_device], 1
; adc byte [di+preboot_biosdisk-preboot_device], 0
;; default value for VRR is OFF
; cmp byte [di+preboot_vrrm-preboot_device], 0
; jnz @f

View File

@ -81,27 +81,21 @@ ends
; * The hardware requires 32-bytes alignment of the hardware part, so
; the entire descriptor must be 32-bytes aligned. Since the allocator
; (usb_allocate_common) allocates memory sequentially from page start
; (aligned on 0x1000 bytes), size of the structure must be divisible by 32.
; (aligned on 0x1000 bytes), block size for the allocator must be divisible
; by 32; ehci_alloc_td ensures this.
; * The hardware also requires that the hardware part must not cross page
; boundary; the allocator satisfies this automatically.
struct ehci_gtd ehci_hardware_td
Flags dd ?
; Copy of flags from the call to usb_*_transfer_async.
SoftwarePart rd sizeof.usb_gtd/4
; Software part, common for all controllers.
rd 3 ; padding
ends
if sizeof.ehci_gtd mod 32
.err ehci_gtd must be 32-bytes aligned
end if
; EHCI-specific part of a pipe descriptor.
; * This structure corresponds to the Queue Head from the EHCI specification.
; * The hardware requires 32-bytes alignment of the hardware part.
; Since the allocator (usb_allocate_common) allocates memory sequentially
; from page start (aligned on 0x1000 bytes), size of the structure must be
; divisible by 32.
; from page start (aligned on 0x1000 bytes), block size for the allocator
; must be divisible by 32; ehci_alloc_pipe ensures this.
; * The hardware requires also that the hardware part must not cross page
; boundary; the allocator satisfies this automatically.
struct ehci_pipe
@ -154,15 +148,8 @@ Overlay ehci_hardware_td ?
; from the new TD, if any.
BaseList dd ?
; Pointer to head of the corresponding pipe list.
SoftwarePart rd sizeof.usb_pipe/4
; Software part, common for all controllers.
rd 2 ; padding
ends
if sizeof.ehci_pipe mod 32
.err ehci_pipe must be 32-bytes aligned
end if
; This structure describes the static head of every list of pipes.
; The hardware requires 32-bytes alignment of this structure.
; All instances of this structure are located sequentially in ehci_controller,
@ -764,7 +751,7 @@ endp
; and stores USB device address in the ehci_pipe structure.
; in: esi -> usb_controller, ebx -> usb_pipe, cl = address
proc ehci_set_device_address
mov byte [ebx+ehci_pipe.Token-ehci_pipe.SoftwarePart], cl
mov byte [ebx+ehci_pipe.Token-sizeof.ehci_pipe], cl
call usb_subscribe_control
ret
endp
@ -773,7 +760,7 @@ endp
; in: esi -> usb_controller, ebx -> usb_pipe
; out: eax = endpoint address
proc ehci_get_device_address
mov eax, [ebx+ehci_pipe.Token-ehci_pipe.SoftwarePart]
mov eax, [ebx+ehci_pipe.Token-sizeof.ehci_pipe]
and eax, 7Fh
ret
endp
@ -793,11 +780,11 @@ endp
; stores the packet size in ehci_pipe structure.
; in: esi -> usb_controller, ebx -> usb_pipe, ecx = packet size
proc ehci_set_endpoint_packet_size
mov eax, [ebx+ehci_pipe.Token-ehci_pipe.SoftwarePart]
mov eax, [ebx+ehci_pipe.Token-sizeof.ehci_pipe]
and eax, not (0x7FF shl 16)
shl ecx, 16
or eax, ecx
mov [ebx+ehci_pipe.Token-ehci_pipe.SoftwarePart], eax
mov [ebx+ehci_pipe.Token-sizeof.ehci_pipe], eax
; Wait until hardware cache is evicted.
call usb_subscribe_control
ret
@ -818,10 +805,10 @@ endg
proc ehci_alloc_pipe
push ebx
mov ebx, ehci_ep_mutex
stdcall usb_allocate_common, sizeof.ehci_pipe
stdcall usb_allocate_common, (sizeof.ehci_pipe + sizeof.usb_pipe + 1Fh) and not 1Fh
test eax, eax
jz @f
add eax, ehci_pipe.SoftwarePart
add eax, sizeof.ehci_pipe
@@:
pop ebx
ret
@ -834,7 +821,7 @@ virtual at esp
dd ? ; return address
.ptr dd ?
end virtual
sub [.ptr], ehci_pipe.SoftwarePart
sub [.ptr], sizeof.ehci_pipe
jmp usb_free_common
endp
@ -853,25 +840,25 @@ virtual at ebp+8
end virtual
; 1. Zero all fields in the hardware part.
push eax ecx
sub edi, ehci_pipe.SoftwarePart
sub edi, sizeof.ehci_pipe
xor eax, eax
movi ecx, ehci_pipe.SoftwarePart/4
movi ecx, sizeof.ehci_pipe/4
rep stosd
pop ecx eax
; 2. Setup PID in the first TD and make sure that the it is not active.
xor edx, edx
test byte [.endpoint], 80h
setnz dh
mov [eax+ehci_gtd.Token-ehci_gtd.SoftwarePart], edx
mov [eax+ehci_gtd.NextTD-ehci_gtd.SoftwarePart], 1
mov [eax+ehci_gtd.AlternateNextTD-ehci_gtd.SoftwarePart], 1
mov [eax+ehci_gtd.Token-sizeof.ehci_gtd], edx
mov [eax+ehci_gtd.NextTD-sizeof.ehci_gtd], 1
mov [eax+ehci_gtd.AlternateNextTD-sizeof.ehci_gtd], 1
; 3. Store physical address of the first TD.
sub eax, ehci_gtd.SoftwarePart
sub eax, sizeof.ehci_gtd
call get_phys_addr
mov [edi+ehci_pipe.Overlay.NextTD-ehci_pipe.SoftwarePart], eax
mov [edi+ehci_pipe.Overlay.NextTD-sizeof.ehci_pipe], eax
; 4. Fill ehci_pipe.Flags except for S- and C-masks.
; Copy location from the config pipe.
mov eax, [ecx+ehci_pipe.Flags-ehci_pipe.SoftwarePart]
mov eax, [ecx+ehci_pipe.Flags-sizeof.ehci_pipe]
and eax, 3FFF0000h
; Use 1 requests per microframe for control/bulk endpoints,
; use value from the endpoint descriptor for periodic endpoints
@ -884,9 +871,9 @@ end virtual
@@:
shl edx, 30
or eax, edx
mov [edi+ehci_pipe.Flags-ehci_pipe.SoftwarePart], eax
mov [edi+ehci_pipe.Flags-sizeof.ehci_pipe], eax
; 5. Fill ehci_pipe.Token.
mov eax, [ecx+ehci_pipe.Token-ehci_pipe.SoftwarePart]
mov eax, [ecx+ehci_pipe.Token-sizeof.ehci_pipe]
; copy following fields from the config pipe:
; DeviceAddress, EndpointSpeed, ControlEndpoint if new type is control
mov ecx, eax
@ -915,7 +902,7 @@ end virtual
@@:
or eax, 40000000h
.nonak:
mov [edi+ehci_pipe.Token-ehci_pipe.SoftwarePart], eax
mov [edi+ehci_pipe.Token-sizeof.ehci_pipe], eax
; 5. Select the corresponding list and insert to the list.
; 5a. Use Control list for control pipes, Bulk list for bulk pipes.
lea edx, [esi+ehci_controller.ControlED.SoftwarePart-sizeof.ehci_controller]
@ -931,7 +918,7 @@ end virtual
; another for split transactions.
; This could fail if the requested bandwidth is not available;
; if so, return an error.
test word [edi+ehci_pipe.Flags-ehci_pipe.SoftwarePart+2], 3FFFh
test word [edi+ehci_pipe.Flags-sizeof.ehci_pipe+2], 3FFFh
jnz .interrupt_fs
call ehci_select_hs_interrupt_list
jmp .interrupt_common
@ -940,9 +927,9 @@ end virtual
.interrupt_common:
test edx, edx
jz .return0
mov word [edi+ehci_pipe.Flags-ehci_pipe.SoftwarePart], ax
mov word [edi+ehci_pipe.Flags-sizeof.ehci_pipe], ax
.insert:
mov [edi+ehci_pipe.BaseList-ehci_pipe.SoftwarePart], edx
mov [edi+ehci_pipe.BaseList-sizeof.ehci_pipe], edx
; Insert to the head of the corresponding list.
; Note: inserting to the head guarantees that the list traverse in
; ehci_process_updated_schedule, once started, will not interact with new pipes.
@ -957,8 +944,8 @@ end virtual
; 5d. Insert in the hardware list: copy previous NextQH to the new pipe,
; store the physical address of the new pipe to previous NextQH.
mov ecx, [edx+ehci_static_ep.NextQH-ehci_static_ep.SoftwarePart]
mov [edi+ehci_pipe.NextQH-ehci_pipe.SoftwarePart], ecx
lea eax, [edi-ehci_pipe.SoftwarePart]
mov [edi+ehci_pipe.NextQH-sizeof.ehci_pipe], ecx
lea eax, [edi-sizeof.ehci_pipe]
call get_phys_addr
inc eax
inc eax
@ -1058,22 +1045,29 @@ endl
; this corresponds to 4001h bytes. If the requested size is
; greater, we should split the transfer into several descriptors.
; Boundaries to split must be multiples of endpoint transfer size
; to avoid short packets except in the end of the transfer,
; 4000h is always a good value.
; to avoid short packets except in the end of the transfer.
cmp [size], 4001h
jbe .lastpacket
; 2. While the remaining data cannot fit in one descriptor,
; allocate full descriptors (of maximal possible size).
mov edi, 4000h
; 2a. Calculate size of one descriptor: must be a multiple of transfer size
; and must be not greater than 4001h.
movzx ecx, word [ebx+ohci_pipe.Flags+2-sizeof.ohci_pipe]
mov eax, 4001h
xor edx, edx
mov edi, eax
div ecx
sub edi, edx
mov [packetSize], edi
.fullpackets:
cmp [size], edi
jbe .lastpacket
call ehci_alloc_packet
test eax, eax
jz .fail
mov [td], eax
add [buffer], edi
sub [size], edi
jmp .fullpackets
cmp [size], 4001h
ja .fullpackets
; 3. The remaining data can fit in one packet;
; allocate the last descriptor with size = size of remaining data.
.lastpacket:
@ -1084,7 +1078,7 @@ endl
jz .fail
; 9. Update flags in the last packet.
mov edx, [flags]
mov [ecx+ehci_gtd.Flags-ehci_gtd.SoftwarePart], edx
mov [ecx+ehci_gtd.Flags-sizeof.ehci_gtd], edx
; 10. Fill AlternateNextTD field in all allocated TDs.
; If the caller says that short transfer is ok, the queue must advance to
; the next descriptor, which is in eax.
@ -1093,7 +1087,7 @@ endl
push eax
test dl, 1
jz .disable_short
sub eax, ehci_gtd.SoftwarePart
sub eax, sizeof.ehci_gtd
jmp @f
.disable_short:
mov eax, [ebx+usb_pipe.Controller]
@ -1104,7 +1098,7 @@ endl
@@:
cmp edx, [esp]
jz @f
mov [edx+ehci_gtd.AlternateNextTD-ehci_gtd.SoftwarePart], eax
mov [edx+ehci_gtd.AlternateNextTD-sizeof.ehci_gtd], eax
mov edx, [edx+usb_gtd.NextVirt]
jmp @b
@@:
@ -1144,28 +1138,28 @@ end virtual
call usb_init_transfer
pop eax
; 3. Copy PID to the new descriptor.
mov edx, [ecx+ehci_gtd.Token-ehci_gtd.SoftwarePart]
mov [eax+ehci_gtd.Token-ehci_gtd.SoftwarePart], edx
mov [eax+ehci_gtd.NextTD-ehci_gtd.SoftwarePart], 1
mov [eax+ehci_gtd.AlternateNextTD-ehci_gtd.SoftwarePart], 1
mov edx, [ecx+ehci_gtd.Token-sizeof.ehci_gtd]
mov [eax+ehci_gtd.Token-sizeof.ehci_gtd], edx
mov [eax+ehci_gtd.NextTD-sizeof.ehci_gtd], 1
mov [eax+ehci_gtd.AlternateNextTD-sizeof.ehci_gtd], 1
; 4. Save the returned value (next descriptor).
push eax
; 5. Store the physical address of the next descriptor.
sub eax, ehci_gtd.SoftwarePart
sub eax, sizeof.ehci_gtd
call get_phys_addr
mov [ecx+ehci_gtd.NextTD-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.NextTD-sizeof.ehci_gtd], eax
; 6. For zero-length transfers, store zero in all fields for buffer addresses.
; Otherwise, fill them with real values.
xor eax, eax
mov [ecx+ehci_gtd.Flags-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.Flags-sizeof.ehci_gtd], eax
repeat 10
mov [ecx+ehci_gtd.BufferPointers-ehci_gtd.SoftwarePart+(%-1)*4], eax
mov [ecx+ehci_gtd.BufferPointers-sizeof.ehci_gtd+(%-1)*4], eax
end repeat
cmp [.packetSize], eax
jz @f
mov eax, [.buffer]
call get_phys_addr
mov [ecx+ehci_gtd.BufferPointers-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.BufferPointers-sizeof.ehci_gtd], eax
and eax, 0xFFF
mov edx, [.packetSize]
add edx, eax
@ -1174,25 +1168,25 @@ end repeat
mov eax, [.buffer]
add eax, 0x1000
call get_pg_addr
mov [ecx+ehci_gtd.BufferPointers+4-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.BufferPointers+4-sizeof.ehci_gtd], eax
sub edx, 0x1000
jbe @f
mov eax, [.buffer]
add eax, 0x2000
call get_pg_addr
mov [ecx+ehci_gtd.BufferPointers+8-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.BufferPointers+8-sizeof.ehci_gtd], eax
sub edx, 0x1000
jbe @f
mov eax, [.buffer]
add eax, 0x3000
call get_pg_addr
mov [ecx+ehci_gtd.BufferPointers+12-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.BufferPointers+12-sizeof.ehci_gtd], eax
sub edx, 0x1000
jbe @f
mov eax, [.buffer]
add eax, 0x4000
call get_pg_addr
mov [ecx+ehci_gtd.BufferPointers+16-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.BufferPointers+16-sizeof.ehci_gtd], eax
@@:
; 7. Fill Token field:
; set Status = 0 (inactive, ehci_insert_transfer would mark everything active);
@ -1202,7 +1196,7 @@ end repeat
; set current page to 0;
; do not interrupt on complete (ehci_insert_transfer sets this bit where needed);
; set DataToggle to bit 2 of [.direction].
mov eax, [ecx+ehci_gtd.Token-ehci_gtd.SoftwarePart]
mov eax, [ecx+ehci_gtd.Token-sizeof.ehci_gtd]
and eax, 300h ; keep PID code
mov edx, [.direction]
test edx, edx
@ -1222,7 +1216,7 @@ end repeat
mov edx, [.packetSize]
shl edx, 16
or eax, edx
mov [ecx+ehci_gtd.Token-ehci_gtd.SoftwarePart], eax
mov [ecx+ehci_gtd.Token-sizeof.ehci_gtd], eax
; 4. Restore the returned value saved in step 2.
pop eax
.nothing:
@ -1234,10 +1228,10 @@ endp
; ehci_alloc_transfer.
; ecx -> last descriptor for the transfer, ebx -> usb_pipe
proc ehci_insert_transfer
or byte [ecx+ehci_gtd.Token+1-ehci_gtd.SoftwarePart], 80h ; set IOC bit
or byte [ecx+ehci_gtd.Token+1-sizeof.ehci_gtd], 80h ; set IOC bit
mov eax, [esp+4]
.activate:
or byte [eax+ehci_gtd.Token-ehci_gtd.SoftwarePart], 80h ; set Active bit
or byte [eax+ehci_gtd.Token-sizeof.ehci_gtd], 80h ; set Active bit
cmp eax, ecx
mov eax, [eax+usb_gtd.NextVirt]
jnz .activate
@ -1328,7 +1322,7 @@ proc ehci_new_device
.found_hs_hub:
mov edx, [edx+usb_hub.ConfigPipe]
inc ecx
mov edx, [edx+ehci_pipe.Token-ehci_pipe.SoftwarePart]
mov edx, [edx+ehci_pipe.Token-sizeof.ehci_pipe]
shl ecx, 23
and edx, 7Fh
shl edx, 16
@ -1338,15 +1332,15 @@ proc ehci_new_device
.common:
; 5. Create pseudo-pipe in the stack.
; See ehci_init_pipe: only .Controller, .Token, .Flags fields are used.
push esi ; ehci_pipe.SoftwarePart.Controller
push esi ; usb_pipe.Controller
mov ecx, esp
sub esp, ehci_pipe.SoftwarePart - ehci_pipe.Flags - 4
sub esp, sizeof.ehci_pipe - ehci_pipe.Flags - 4
push edx ; ehci_pipe.Flags
push eax ; ehci_pipe.Token
; 6. Notify the protocol layer.
call usb_new_device
; 7. Cleanup the stack after step 5 and return.
add esp, ehci_pipe.SoftwarePart - ehci_pipe.Flags + 8
add esp, sizeof.ehci_pipe - ehci_pipe.Flags + 8
pop ecx ebx ; restore used registers
ret
endp
@ -1658,7 +1652,7 @@ proc ehci_process_updated_list
; if either of conditions holds, exit from the internal loop.
cmp ebx, [esp]
jz .tddone
cmp byte [ebx+ehci_gtd.Token-ehci_gtd.SoftwarePart], 0
cmp byte [ebx+ehci_gtd.Token-sizeof.ehci_gtd], 0
js .tddone
; Release the queue lock while processing one descriptor:
; callback function could (and often would) schedule another transfer.
@ -1690,14 +1684,14 @@ proc ehci_process_updated_td
; cmp [eax+usb_pipe.Type], INTERRUPT_PIPE
; jnz @f
; DEBUGF 1,'K : finalized TD for pipe %x:\n',eax
; lea eax, [ebx-ehci_gtd.SoftwarePart]
; lea eax, [ebx-sizeof.ehci_gtd]
; DEBUGF 1,'K : %x %x %x %x\n',[eax],[eax+4],[eax+8],[eax+12]
; DEBUGF 1,'K : %x %x %x %x\n',[eax+16],[eax+20],[eax+24],[eax+28]
;@@:
; 1. Remove this descriptor from the list of descriptors for this pipe.
call usb_unlink_td
; 2. Calculate actual number of bytes transferred.
mov eax, [ebx+ehci_gtd.Token-ehci_gtd.SoftwarePart]
mov eax, [ebx+ehci_gtd.Token-sizeof.ehci_gtd]
lea edx, [eax+eax]
shr edx, 17
sub edx, [ebx+usb_gtd.Length]
@ -1715,7 +1709,7 @@ proc ehci_process_updated_td
xor ecx, ecx
test al, 40h
jnz .error
test byte [ebx+ehci_gtd.Flags-ehci_gtd.SoftwarePart], 1
test byte [ebx+ehci_gtd.Flags-sizeof.ehci_gtd], 1
jnz .notify
cmp edx, [ebx+usb_gtd.Length]
jnz .special
@ -1745,14 +1739,14 @@ proc ehci_process_updated_td
ret
.error:
push ebx
sub ebx, ehci_gtd.SoftwarePart
sub ebx, sizeof.ehci_gtd
DEBUGF 1,'K : TD failed:\n'
DEBUGF 1,'K : %x %x %x %x\n',[ebx],[ebx+4],[ebx+8],[ebx+12]
DEBUGF 1,'K : %x %x %x %x\n',[ebx+16],[ebx+20],[ebx+24],[ebx+28]
pop ebx
DEBUGF 1,'K : pipe now:\n'
mov ecx, [ebx+usb_gtd.Pipe]
sub ecx, ehci_pipe.SoftwarePart
sub ecx, sizeof.ehci_pipe
DEBUGF 1,'K : %x %x %x %x\n',[ecx],[ecx+4],[ecx+8],[ecx+12]
DEBUGF 1,'K : %x %x %x %x\n',[ecx+16],[ecx+20],[ecx+24],[ecx+28]
DEBUGF 1,'K : %x %x %x %x\n',[ecx+32],[ecx+36],[ecx+40],[ecx+44]
@ -1802,7 +1796,7 @@ proc ehci_process_updated_td
; it is not an error; in this case, go to 4 with ecx = 0.
cmp ecx, USB_STATUS_UNDERRUN
jnz @f
test byte [ebx+ehci_gtd.Flags-ehci_gtd.SoftwarePart], 1
test byte [ebx+ehci_gtd.Flags-sizeof.ehci_gtd], 1
jz @f
xor ecx, ecx
pop edx ; length
@ -1832,20 +1826,20 @@ proc ehci_process_updated_td
; to the next transfer. (According to the standard, "A control pipe may also
; support functional stall as well, but this is not recommended.").
mov edx, [ebx+usb_gtd.Pipe]
mov eax, [ebx+ehci_gtd.NextTD-ehci_gtd.SoftwarePart]
mov eax, [ebx+ehci_gtd.NextTD-sizeof.ehci_gtd]
or al, 1
mov [edx+ehci_pipe.Overlay.NextTD-ehci_pipe.SoftwarePart], eax
mov [edx+ehci_pipe.Overlay.AlternateNextTD-ehci_pipe.SoftwarePart], eax
mov [edx+ehci_pipe.Overlay.NextTD-sizeof.ehci_pipe], eax
mov [edx+ehci_pipe.Overlay.AlternateNextTD-sizeof.ehci_pipe], eax
cmp [edx+usb_pipe.Type], CONTROL_PIPE
jz .control
; Bulk/interrupt transfer; halt the queue.
mov [edx+ehci_pipe.Overlay.Token-ehci_pipe.SoftwarePart], 40h
mov [edx+ehci_pipe.Overlay.Token-sizeof.ehci_pipe], 40h
pop edx
jmp .notify
; Control transfer.
.control:
and [edx+ehci_pipe.Overlay.Token-ehci_pipe.SoftwarePart], 0
dec [edx+ehci_pipe.Overlay.NextTD-ehci_pipe.SoftwarePart]
and [edx+ehci_pipe.Overlay.Token-sizeof.ehci_pipe], 0
dec [edx+ehci_pipe.Overlay.NextTD-sizeof.ehci_pipe]
pop edx
jmp .notify
endp
@ -1855,7 +1849,7 @@ endp
proc ehci_unlink_pipe
cmp [ebx+usb_pipe.Type], INTERRUPT_PIPE
jnz @f
test word [ebx+ehci_pipe.Flags-ehci_pipe.SoftwarePart+2], 3FFFh
test word [ebx+ehci_pipe.Flags-sizeof.ehci_pipe+2], 3FFFh
jnz .interrupt_fs
call ehci_hs_interrupt_list_unlink
jmp .interrupt_common
@ -1870,9 +1864,9 @@ proc ehci_unlink_pipe
mov edx, esi
sub edx, eax
cmp edx, sizeof.ehci_controller
mov edx, [ebx+ehci_pipe.NextQH-ehci_pipe.SoftwarePart]
mov edx, [ebx+ehci_pipe.NextQH-sizeof.ehci_pipe]
jb .prev_is_static
mov [eax+ehci_pipe.NextQH-ehci_pipe.SoftwarePart], edx
mov [eax+ehci_pipe.NextQH-sizeof.ehci_pipe], edx
ret
.prev_is_static:
mov [eax+ehci_static_ep.NextQH-ehci_static_ep.SoftwarePart], edx
@ -1882,10 +1876,10 @@ endp
proc ehci_alloc_td
push ebx
mov ebx, ehci_gtd_mutex
stdcall usb_allocate_common, sizeof.ehci_gtd
stdcall usb_allocate_common, (sizeof.ehci_gtd + sizeof.usb_gtd + 1Fh) and not 1Fh
test eax, eax
jz @f
add eax, ehci_gtd.SoftwarePart
add eax, sizeof.ehci_gtd
@@:
pop ebx
ret
@ -1895,6 +1889,6 @@ endp
; frees all additional data associated with the transfer descriptor.
; EHCI has no additional data, so just free ehci_gtd structure.
proc ehci_free_td
sub dword [esp+4], ehci_gtd.SoftwarePart
sub dword [esp+4], sizeof.ehci_gtd
jmp usb_free_common
endp

View File

@ -26,17 +26,17 @@ usb_gtd_mutex MUTEX
endg
; sanity check: structures in UHCI and OHCI should be the same for allocation
if (sizeof.ohci_pipe=sizeof.uhci_pipe)&(ohci_pipe.SoftwarePart=uhci_pipe.SoftwarePart)
if (sizeof.ohci_pipe = sizeof.uhci_pipe)
; Allocates one endpoint structure for UHCI/OHCI.
; Returns pointer to software part (usb_pipe) in eax.
proc usb1_allocate_endpoint
push ebx
mov ebx, usb1_ep_mutex
stdcall usb_allocate_common, sizeof.ohci_pipe
stdcall usb_allocate_common, (sizeof.ohci_pipe + sizeof.usb_pipe + 0Fh) and not 0Fh
test eax, eax
jz @f
add eax, ohci_pipe.SoftwarePart
add eax, sizeof.ohci_pipe
@@:
pop ebx
ret
@ -45,7 +45,7 @@ endp
; Free one endpoint structure for UHCI/OHCI.
; Stdcall with one argument, pointer to software part (usb_pipe).
proc usb1_free_endpoint
sub dword [esp+4], ohci_pipe.SoftwarePart
sub dword [esp+4], sizeof.ohci_pipe
jmp usb_free_common
endp
@ -55,17 +55,17 @@ else
end if
; sanity check: structures in UHCI and OHCI should be the same for allocation
if (sizeof.ohci_gtd=sizeof.uhci_gtd)&(ohci_gtd.SoftwarePart=uhci_gtd.SoftwarePart)
if (sizeof.ohci_gtd = sizeof.uhci_gtd)
; Allocates one general transfer descriptor structure for UHCI/OHCI.
; Returns pointer to software part (usb_gtd) in eax.
proc usb1_allocate_general_td
push ebx
mov ebx, usb_gtd_mutex
stdcall usb_allocate_common, sizeof.ohci_gtd
stdcall usb_allocate_common, (sizeof.ohci_gtd + sizeof.usb_gtd + 0Fh) and not 0Fh
test eax, eax
jz @f
add eax, ohci_gtd.SoftwarePart
add eax, sizeof.ohci_gtd
@@:
pop ebx
ret
@ -74,7 +74,7 @@ endp
; Free one general transfer descriptor structure for UHCI/OHCI.
; Stdcall with one argument, pointer to software part (usb_gtd).
proc usb1_free_general_td
sub dword [esp+4], ohci_gtd.SoftwarePart
sub dword [esp+4], sizeof.ohci_gtd
jmp usb_free_common
endp

View File

@ -44,8 +44,8 @@ OhciRhPortStatusReg = 54h
; specification.
; * The hardware requires 16-bytes alignment of the hardware part.
; Since the allocator (usb_allocate_common) allocates memory sequentially
; from page start (aligned on 0x1000 bytes), size of the structure must be
; divisible by 16.
; from page start (aligned on 0x1000 bytes), block size for the allocator
; must be divisible by 16; usb1_allocate_endpoint ensures this.
struct ohci_pipe
; All addresses are physical.
Flags dd ?
@ -95,14 +95,8 @@ NextED dd ?
; * There is no "next" list for Bulk and Control lists, they are processed
; separately from others.
; * There is no "next" list for Periodic list for 1ms interval.
SoftwarePart rd sizeof.usb_pipe/4
; Software part, common for all controllers.
ends
if sizeof.ohci_pipe mod 16
.err ohci_pipe must be 16-bytes aligned
end if
; This structure describes the static head of every list of pipes.
; The hardware requires 16-bytes alignment of this structure.
; All instances of this structure are located sequentially in uhci_controller,
@ -204,7 +198,8 @@ end if
; * The hardware requires 16-bytes alignment of the hardware part, so
; the entire descriptor must be 16-bytes aligned. Since the allocator
; (usb_allocate_common) allocates memory sequentially from page start
; (aligned on 0x1000 bytes), size of the structure must be divisible by 16.
; (aligned on 0x1000 bytes), block size for the allocator must be
; divisible by 16; usb1_allocate_generic_td ensures this.
struct ohci_gtd
; ------------------------------ hardware fields ------------------------------
; All addresses in this part are physical.
@ -248,15 +243,9 @@ NextTD dd ?
; Virtual pointer to the next processed TD.
BufEnd dd ?
; Physical address of the last byte in the buffer for this TD.
dd ? ; padding for 16-bytes alignment
SoftwarePart rd sizeof.usb_gtd/4
; Common part for all controllers.
dd ? ; padding to align with uhci_gtd
ends
if sizeof.ohci_gtd mod 16
.err ohci_gtd must be 16-bytes aligned
end if
; OHCI isochronous transfer descriptor.
; * The structure describes transfers to be performed on Isochronous endpoints.
; * The structure includes two parts, the hardware part and the software part.
@ -726,7 +715,7 @@ end virtual
.tdloop:
mov ecx, [eax+ohci_gtd.NextTD]
mov [eax+ohci_gtd.NextTD], ebx
lea ebx, [eax+ohci_gtd.SoftwarePart]
lea ebx, [eax+sizeof.ohci_gtd]
test ecx, ecx
jz .tddone
call usb_td_to_virt
@ -893,7 +882,7 @@ endp
; and stores USB device address in the ohci_pipe structure.
; in: esi -> usb_controller, ebx -> usb_pipe, cl = address
proc ohci_set_device_address
mov byte [ebx+ohci_pipe.Flags-ohci_pipe.SoftwarePart], cl
mov byte [ebx+ohci_pipe.Flags-sizeof.ohci_pipe], cl
; Wait until the hardware will forget the old value.
call usb_subscribe_control
ret
@ -903,7 +892,7 @@ endp
; in: esi -> usb_controller, ebx -> usb_pipe
; out: eax = endpoint address
proc ohci_get_device_address
mov eax, [ebx+ohci_pipe.Flags-ohci_pipe.SoftwarePart]
mov eax, [ebx+ohci_pipe.Flags-sizeof.ohci_pipe]
and eax, 7Fh
ret
endp
@ -923,7 +912,7 @@ endp
; stores the packet size in ohci_pipe structure.
; in: esi -> usb_controller, ebx -> usb_pipe, ecx = packet size
proc ohci_set_endpoint_packet_size
mov byte [ebx+ohci_pipe.Flags+2-ohci_pipe.SoftwarePart], cl
mov byte [ebx+ohci_pipe.Flags+2-sizeof.ohci_pipe], cl
; Wait until the hardware will forget the old value.
call usb_subscribe_control
ret
@ -943,27 +932,27 @@ virtual at ebp+8
.interval dd ?
end virtual
; 1. Initialize the queue of transfer descriptors: empty.
sub eax, ohci_gtd.SoftwarePart
sub eax, sizeof.ohci_gtd
call get_phys_addr
mov [edi+ohci_pipe.TailP-ohci_pipe.SoftwarePart], eax
mov [edi+ohci_pipe.HeadP-ohci_pipe.SoftwarePart], eax
mov [edi+ohci_pipe.TailP-sizeof.ohci_pipe], eax
mov [edi+ohci_pipe.HeadP-sizeof.ohci_pipe], eax
; 2. Generate ohci_pipe.Flags, see the description in ohci_pipe.
mov eax, [ecx+ohci_pipe.Flags-ohci_pipe.SoftwarePart]
mov eax, [ecx+ohci_pipe.Flags-sizeof.ohci_pipe]
and eax, 0x207F ; keep Speed bit and FunctionAddress
mov edx, [.endpoint]
and edx, 15
shl edx, 7
or eax, edx
mov [edi+ohci_pipe.Flags-ohci_pipe.SoftwarePart], eax
mov [edi+ohci_pipe.Flags-sizeof.ohci_pipe], eax
mov eax, [.maxpacket]
mov word [edi+ohci_pipe.Flags+2-ohci_pipe.SoftwarePart], ax
mov word [edi+ohci_pipe.Flags+2-sizeof.ohci_pipe], ax
cmp [.type], CONTROL_PIPE
jz @f
test byte [.endpoint], 80h
setnz al
inc eax
shl al, 3
or byte [edi+ohci_pipe.Flags+1-ohci_pipe.SoftwarePart], al
or byte [edi+ohci_pipe.Flags+1-sizeof.ohci_pipe], al
@@:
; 3. Insert the new pipe to the corresponding list of endpoints.
; 3a. Use Control list for control pipes, Bulk list for bulk pipes.
@ -992,11 +981,11 @@ end virtual
mov [edi+usb_pipe.PrevVirt], edx
mov [ecx+usb_pipe.PrevVirt], edi
mov [edx+usb_pipe.NextVirt], edi
mov ecx, [edx+ohci_pipe.NextED-ohci_pipe.SoftwarePart]
mov [edi+ohci_pipe.NextED-ohci_pipe.SoftwarePart], ecx
lea eax, [edi-ohci_pipe.SoftwarePart]
mov ecx, [edx+ohci_pipe.NextED-sizeof.ohci_pipe]
mov [edi+ohci_pipe.NextED-sizeof.ohci_pipe], ecx
lea eax, [edi-sizeof.ohci_pipe]
call get_phys_addr
mov [edx+ohci_pipe.NextED-ohci_pipe.SoftwarePart], eax
mov [edx+ohci_pipe.NextED-sizeof.ohci_pipe], eax
; 4. Return something non-zero.
ret
.return0:
@ -1069,22 +1058,30 @@ endl
; this corresponds to 1001h bytes. If the requested size is
; greater, we should split the transfer into several descriptors.
; Boundaries to split must be multiples of endpoint transfer size
; to avoid short packets except in the end of the transfer,
; 1000h is always a good value.
; to avoid short packets except in the end of the transfer.
cmp [size], 1001h
jbe .lastpacket
; 2. While the remaining data cannot fit in one packet,
; allocate page-sized descriptors.
mov edi, 1000h
; allocate full-sized descriptors.
; 2a. Calculate size of one descriptor: must be a multiple of transfer size
; and must be not greater than 1001h.
movzx ecx, word [ebx+ohci_pipe.Flags+2-sizeof.ohci_pipe]
mov eax, 1001h
xor edx, edx
mov edi, eax
div ecx
sub edi, edx
; 2b. Allocate in loop.
mov [packetSize], edi
.fullpackets:
cmp [size], edi
jbe .lastpacket
call ohci_alloc_packet
test eax, eax
jz .fail
mov [td], eax
add [buffer], edi
sub [size], edi
jmp .fullpackets
cmp [size], 1001h
ja .fullpackets
; 3. The remaining data can fit in one descriptor;
; allocate the last descriptor with size = size of remaining data.
.lastpacket:
@ -1094,7 +1091,7 @@ endl
test eax, eax
jz .fail
; 4. Enable an immediate interrupt on completion of the last packet.
and byte [ecx+ohci_gtd.Flags+2-ohci_gtd.SoftwarePart], not (7 shl (21-16))
and byte [ecx+ohci_gtd.Flags+2-sizeof.ohci_gtd], not (7 shl (21-16))
; 5. If a short transfer is ok for a caller, set the corresponding bit in
; the last descriptor, but not in others.
; Note: even if the caller says that short transfers are ok,
@ -1104,7 +1101,7 @@ endl
; transparently to the caller.
test [flags], 1
jz @f
or byte [ecx+ohci_gtd.Flags+2-ohci_gtd.SoftwarePart], 1 shl (18-16)
or byte [ecx+ohci_gtd.Flags+2-sizeof.ohci_gtd], 1 shl (18-16)
@@:
ret
.fail:
@ -1143,24 +1140,24 @@ end virtual
; 3. Save the returned value (next descriptor).
push eax
; 4. Store the physical address of the next descriptor.
sub eax, ohci_gtd.SoftwarePart
sub eax, sizeof.ohci_gtd
call get_phys_addr
mov [ecx+ohci_gtd.NextTD-ohci_gtd.SoftwarePart], eax
mov [ecx+ohci_gtd.NextTD-sizeof.ohci_gtd], eax
; 5. For zero-length transfers, store zero in both fields for buffer addresses.
; Otherwise, fill them with real values.
xor eax, eax
mov [ecx+ohci_gtd.CurBufPtr-ohci_gtd.SoftwarePart], eax
mov [ecx+ohci_gtd.BufEnd-ohci_gtd.SoftwarePart], eax
mov [ecx+ohci_gtd.CurBufPtr-sizeof.ohci_gtd], eax
mov [ecx+ohci_gtd.BufEnd-sizeof.ohci_gtd], eax
cmp [.packetSize], eax
jz @f
mov eax, [.buffer]
call get_phys_addr
mov [ecx+ohci_gtd.CurBufPtr-ohci_gtd.SoftwarePart], eax
mov [ecx+ohci_gtd.CurBufPtr-sizeof.ohci_gtd], eax
mov eax, [.buffer]
add eax, [.packetSize]
dec eax
call get_phys_addr
mov [ecx+ohci_gtd.BufEnd-ohci_gtd.SoftwarePart], eax
mov [ecx+ohci_gtd.BufEnd-sizeof.ohci_gtd], eax
@@:
; 6. Generate Flags field:
; - set bufferRounding (bit 18) to zero = disallow short transfers;
@ -1179,7 +1176,7 @@ end virtual
and edx, (3 shl 2)
shl edx, 24 - 2
lea eax, [eax + edx + (7 shl 21) + (15 shl 28)]
mov [ecx+ohci_gtd.Flags-ohci_gtd.SoftwarePart], eax
mov [ecx+ohci_gtd.Flags-sizeof.ohci_gtd], eax
; 7. Restore the returned value saved in step 3.
pop eax
.nothing:
@ -1192,8 +1189,8 @@ endp
; ecx -> last descriptor for the transfer, ebx -> usb_pipe
proc ohci_insert_transfer
; 1. Advance the queue of transfer descriptors.
mov eax, [ecx+ohci_gtd.NextTD-ohci_gtd.SoftwarePart]
mov [ebx+ohci_pipe.TailP-ohci_pipe.SoftwarePart], eax
mov eax, [ecx+ohci_gtd.NextTD-sizeof.ohci_gtd]
mov [ebx+ohci_pipe.TailP-sizeof.ohci_pipe], eax
; 2. For control and bulk pipes, notify the controller that
; there is new work in control/bulk queue respectively.
ohci_notify_new_work:
@ -1393,7 +1390,7 @@ proc ohci_process_finalized_td
mov edx, [ebx+usb_gtd.Pipe]
test [edx+usb_pipe.Flags], USB_FLAG_CLOSED
jz @f
lea eax, [ebx+ohci_gtd.NextTD-ohci_gtd.SoftwarePart]
lea eax, [ebx+ohci_gtd.NextTD-sizeof.ohci_gtd]
xor ebx, ebx
jmp .next_td2
@@:
@ -1402,13 +1399,13 @@ proc ohci_process_finalized_td
; 3. Get number of bytes that remain to be transferred.
; If CurBufPtr is zero, everything was transferred.
xor edx, edx
cmp [ebx+ohci_gtd.CurBufPtr-ohci_gtd.SoftwarePart], edx
cmp [ebx+ohci_gtd.CurBufPtr-sizeof.ohci_gtd], edx
jz .gotlen
; Otherwise, the remaining length is
; (BufEnd and 0xFFF) - (CurBufPtr and 0xFFF) + 1,
; plus 0x1000 if BufEnd and CurBufPtr are in different pages.
mov edx, [ebx+ohci_gtd.BufEnd-ohci_gtd.SoftwarePart]
mov eax, [ebx+ohci_gtd.CurBufPtr-ohci_gtd.SoftwarePart]
mov edx, [ebx+ohci_gtd.BufEnd-sizeof.ohci_gtd]
mov eax, [ebx+ohci_gtd.CurBufPtr-sizeof.ohci_gtd]
mov ecx, edx
and edx, 0xFFF
inc edx
@ -1425,7 +1422,7 @@ proc ohci_process_finalized_td
neg edx
; 4. Check for error. If so, go to 7.
push ebx
mov eax, [ebx+ohci_gtd.Flags-ohci_gtd.SoftwarePart]
mov eax, [ebx+ohci_gtd.Flags-sizeof.ohci_gtd]
shr eax, 28
jnz .error
.notify:
@ -1451,7 +1448,7 @@ proc ohci_process_finalized_td
stdcall usb1_free_general_td, ebx
@@:
pop ebx
lea eax, [ebx+ohci_gtd.NextTD-ohci_gtd.SoftwarePart]
lea eax, [ebx+ohci_gtd.NextTD-sizeof.ohci_gtd]
.next_td2:
push ebx
mov ebx, eax
@ -1484,10 +1481,10 @@ proc ohci_process_finalized_td
push eax
push edx
; DEBUGF 1,'K : TD failed:\n'
; DEBUGF 1,'K : %x %x %x %x\n',[ebx-ohci_gtd.SoftwarePart],[ebx-ohci_gtd.SoftwarePart+4],[ebx-ohci_gtd.SoftwarePart+8],[ebx-ohci_gtd.SoftwarePart+12]
; DEBUGF 1,'K : %x %x %x %x\n',[ebx-ohci_gtd.SoftwarePart+16],[ebx-ohci_gtd.SoftwarePart+20],[ebx-ohci_gtd.SoftwarePart+24],[ebx-ohci_gtd.SoftwarePart+28]
; DEBUGF 1,'K : %x %x %x %x\n',[ebx-sizeof.ohci_gtd],[ebx-sizeof.ohci_gtd+4],[ebx-sizeof.ohci_gtd+8],[ebx-sizeof.ohci_gtd+12]
; DEBUGF 1,'K : %x %x %x %x\n',[ebx-sizeof.ohci_gtd+16],[ebx-sizeof.ohci_gtd+20],[ebx-sizeof.ohci_gtd+24],[ebx-sizeof.ohci_gtd+28]
; mov eax, [ebx+usb_gtd.Pipe]
; DEBUGF 1,'K : pipe: %x %x %x %x\n',[eax-ohci_pipe.SoftwarePart],[eax-ohci_pipe.SoftwarePart+4],[eax-ohci_pipe.SoftwarePart+8],[eax-ohci_pipe.SoftwarePart+12]
; DEBUGF 1,'K : pipe: %x %x %x %x\n',[eax-sizeof.ohci_pipe],[eax-sizeof.ohci_pipe+4],[eax-sizeof.ohci_pipe+8],[eax-sizeof.ohci_pipe+12]
; 7b. Traverse the list of descriptors looking for the final packet
; for this transfer.
; Free and unlink non-final descriptors, except the current one.
@ -1517,18 +1514,18 @@ end virtual
; After that, go to step 5 with eax = 0 (no error).
cmp dword [.error_code], USB_STATUS_UNDERRUN
jnz .no_underrun
test byte [ebx+ohci_gtd.Flags+2-ohci_gtd.SoftwarePart], 1 shl (18-16)
test byte [ebx+ohci_gtd.Flags+2-sizeof.ohci_gtd], 1 shl (18-16)
jz .no_underrun
and dword [.error_code], 0
mov ecx, [ebx+usb_gtd.Pipe]
mov edx, [ecx+ohci_pipe.HeadP-ohci_pipe.SoftwarePart]
mov edx, [ecx+ohci_pipe.HeadP-sizeof.ohci_pipe]
and edx, 2
.advance_queue:
mov eax, [ebx+usb_gtd.NextVirt]
sub eax, ohci_gtd.SoftwarePart
sub eax, sizeof.ohci_gtd
call get_phys_addr
or eax, edx
mov [ecx+ohci_pipe.HeadP-ohci_pipe.SoftwarePart], eax
mov [ecx+ohci_pipe.HeadP-sizeof.ohci_pipe], eax
push ebx
mov ebx, ecx
call ohci_notify_new_work
@ -1562,10 +1559,10 @@ end virtual
; support functional stall as well, but this is not recommended.").
; Advance the transfer queue to the next descriptor.
mov ecx, [ebx+usb_gtd.Pipe]
mov edx, [ecx+ohci_pipe.HeadP-ohci_pipe.SoftwarePart]
mov edx, [ecx+ohci_pipe.HeadP-sizeof.ohci_pipe]
and edx, 2 ; keep toggleCarry bit
cmp [ecx+usb_pipe.Type], CONTROL_PIPE
jnz @f
jz @f
inc edx ; set Halted bit
@@:
jmp .advance_queue
@ -1577,7 +1574,7 @@ endp
proc ohci_unlink_pipe
cmp [ebx+usb_pipe.Type], INTERRUPT_PIPE
jnz @f
mov eax, [ebx+ohci_pipe.Flags-ohci_pipe.SoftwarePart]
mov eax, [ebx+ohci_pipe.Flags-sizeof.ohci_pipe]
bt eax, 13
setc cl
bt eax, 11
@ -1589,7 +1586,7 @@ proc ohci_unlink_pipe
mov eax, [ebx+usb_pipe.PrevVirt]
mov [edx+usb_pipe.PrevVirt], eax
mov [eax+usb_pipe.NextVirt], edx
mov edx, [ebx+ohci_pipe.NextED-ohci_pipe.SoftwarePart]
mov [eax+ohci_pipe.NextED-ohci_pipe.SoftwarePart], edx
mov edx, [ebx+ohci_pipe.NextED-sizeof.ohci_pipe]
mov [eax+ohci_pipe.NextED-sizeof.ohci_pipe], edx
ret
endp

View File

@ -459,10 +459,7 @@ proc usb_after_set_endpoint_size
; save length for step 2
push eax
add eax, sizeof.usb_device_data + 8
; Note that malloc destroys ebx.
push ebx
call malloc
pop ebx
; 1b. If failed, say something to the debug board and stop the initialization.
test eax, eax
jz .nomemory

View File

@ -432,14 +432,14 @@ endp
; in the list header.
proc ehci_hs_interrupt_list_unlink
; get target list
mov edx, [ebx+ehci_pipe.BaseList-ehci_pipe.SoftwarePart]
mov edx, [ebx+ehci_pipe.BaseList-sizeof.ehci_pipe]
; TODO: calculate real bandwidth
movzx eax, word [ebx+ehci_pipe.Token-ehci_pipe.SoftwarePart+2]
mov ecx, [ebx+ehci_pipe.Flags-ehci_pipe.SoftwarePart]
movzx eax, word [ebx+ehci_pipe.Token-sizeof.ehci_pipe+2]
mov ecx, [ebx+ehci_pipe.Flags-sizeof.ehci_pipe]
and eax, (1 shl 11) - 1
shr ecx, 30
imul eax, ecx
movzx ecx, byte [ebx+ehci_pipe.Flags-ehci_pipe.SoftwarePart]
movzx ecx, byte [ebx+ehci_pipe.Flags-sizeof.ehci_pipe]
add edx, ehci_static_ep.Bandwidths - ehci_static_ep.SoftwarePart
; update bandwidth
.dec_bandwidth:

View File

@ -20,9 +20,8 @@ USB_PID_IN = 69h
USB_PID_OUT = 0E1h
; UHCI does not support an interrupt on root hub status change. We must poll
; the controller periodically. This is the period in timer ticks (10ms).
; We use the value 100 ms: it is valid value for USB hub poll rate (1-255 ms),
; small enough to be responsible to connect events and large enough to not
; load CPU too often.
; We use the value 100 ticks: it is small enough to be responsive to connect
; events and large enough to not load CPU too often.
UHCI_POLL_INTERVAL = 100
; the following constant is an invalid encoding for length fields in
; uhci_gtd; it is used to check whether an inactive TD has been
@ -42,8 +41,8 @@ UHCI_INVALID_LENGTH = 700h
; software book-keeping.
; * The hardware requires 16-bytes alignment of the hardware part.
; Since the allocator (usb_allocate_common) allocates memory sequentially
; from page start (aligned on 0x1000 bytes), size of the structure must be
; divisible by 16.
; from page start (aligned on 0x1000 bytes), block size for the allocator
; must be divisible by 16; usb1_allocate_endpoint ensures this.
struct uhci_pipe
NextQH dd ?
; 1. First bit (bit 0) is Terminate bit. 1 = there is no next QH.
@ -81,14 +80,8 @@ Token dd ?
ErrorTD dd ?
; Usually NULL. If nonzero, it is a pointer to descriptor which was error'd
; and should be freed sometime in the future (the hardware could still use it).
SoftwarePart rd sizeof.usb_pipe/4
; Common part for all controllers, described by usb_pipe structure.
ends
if sizeof.uhci_pipe mod 16
.err uhci_pipe must be 16-bytes aligned
end if
; This structure describes the static head of every list of pipes.
; The hardware requires 16-bytes alignment of this structure.
; All instances of this structure are located sequentially in uhci_controller,
@ -167,7 +160,8 @@ end if
; * The hardware requires 16-bytes alignment of the hardware part, so
; the entire descriptor must be 16-bytes aligned. Since the allocator
; (uhci_allocate_common) allocates memory sequentially from page start
; (aligned on 0x1000 bytes), size of the structure must be divisible by 16.
; (aligned on 0x1000 bytes), block size for the allocator must be
; divisible by 16; usb1_allocate_general_td ensures this.
struct uhci_gtd
NextTD dd ?
; 1. First bit (bit 0) is Terminate bit. 1 = there is no next TD.
@ -231,14 +225,8 @@ OrigBufferInfo dd ?
; bit 0: 1 = short packet is NOT allowed
; (before the TD is processed, it is the copy of bit 29 of ControlStatus;
; some controllers modify that bit, so we need a copy in a safe place)
SoftwarePart rd sizeof.usb_gtd/4
; Software part, common for all controllers.
ends
if sizeof.uhci_gtd mod 16
.err uhci_gtd must be 16-bytes aligned
end if
; UHCI requires that the entire transfer buffer should be on one page.
; If the actual buffer crosses page boundary, uhci_alloc_packet
; allocates additional memory for buffer for hardware.
@ -853,7 +841,7 @@ proc uhci_process_updated_list
; if either of conditions holds, exit from the internal loop.
cmp ebx, [esp]
jz .tddone
mov eax, [ebx+uhci_gtd.ControlStatus-uhci_gtd.SoftwarePart]
mov eax, [ebx+uhci_gtd.ControlStatus-sizeof.uhci_gtd]
test eax, 1 shl 23 ; active?
jnz .tddone
; Release the queue lock while processing one descriptor:
@ -889,10 +877,10 @@ proc uhci_process_finalized_td
; DEBUGF 1,'K : %x %x %x %x\n',[ebx-4],[ebx],[ebx+4],[ebx+8]
; 2. If this is IN transfer into special buffer, copy the data
; to target location.
mov edx, [ebx+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart]
mov edx, [ebx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd]
and edx, not 1 ; clear lsb (used for another goal)
jz .nocopy
cmp byte [ebx+uhci_gtd.Token-uhci_gtd.SoftwarePart], USB_PID_IN
cmp byte [ebx+uhci_gtd.Token-sizeof.uhci_gtd], USB_PID_IN
jnz .nocopy
; Note: we assume that pointer to buffer is valid in the memory space of
; the USB thread. This means that buffer must reside in kernel memory
@ -900,7 +888,7 @@ proc uhci_process_finalized_td
push esi edi
mov esi, [edx+uhci_original_buffer.UsedBuffer]
mov edi, [edx+uhci_original_buffer.OrigBuffer]
mov ecx, [ebx+uhci_gtd.ControlStatus-uhci_gtd.SoftwarePart]
mov ecx, [ebx+uhci_gtd.ControlStatus-sizeof.uhci_gtd]
inc ecx
and ecx, 7FFh
mov edx, ecx
@ -913,8 +901,8 @@ proc uhci_process_finalized_td
.nocopy:
; 3. Calculate actual number of bytes transferred.
; 3a. Read the state.
mov eax, [ebx+uhci_gtd.ControlStatus-uhci_gtd.SoftwarePart]
mov ecx, [ebx+uhci_gtd.Token-uhci_gtd.SoftwarePart]
mov eax, [ebx+uhci_gtd.ControlStatus-sizeof.uhci_gtd]
mov ecx, [ebx+uhci_gtd.Token-sizeof.uhci_gtd]
; 3b. Get number of bytes processed.
lea edx, [eax+1]
and edx, 7FFh
@ -938,7 +926,7 @@ proc uhci_process_finalized_td
xor ecx, ecx
test eax, 1 shl 22
jnz .error
test byte [ebx+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart], 1
test byte [ebx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd], 1
jz .notify
cmp edx, [ebx+usb_gtd.Length]
jz .notify
@ -946,7 +934,7 @@ proc uhci_process_finalized_td
; 5. There was an error while processing this packet.
; The hardware has stopped processing the queue.
DEBUGF 1,'K : TD failed:\n'
if uhci_gtd.SoftwarePart <> 20
if sizeof.uhci_gtd <> 20
.err modify offsets for debug output
end if
DEBUGF 1,'K : %x %x %x %x\n',[ebx-20],[ebx-16],[ebx-12],[ebx-8]
@ -955,17 +943,17 @@ end if
push edx
push eax
mov eax, [ebx+usb_gtd.Pipe]
DEBUGF 1,'K : pipe: %x %x\n',[eax+0-uhci_pipe.SoftwarePart],[eax+4-uhci_pipe.SoftwarePart]
DEBUGF 1,'K : pipe: %x %x\n',[eax+0-sizeof.uhci_pipe],[eax+4-sizeof.uhci_pipe]
; 5b. Store the current TD as an error packet.
; If an error packet is already stored for this pipe,
; it is definitely not used already, so free the old packet.
mov eax, [eax+uhci_pipe.ErrorTD-uhci_pipe.SoftwarePart]
mov eax, [eax+uhci_pipe.ErrorTD-sizeof.uhci_pipe]
test eax, eax
jz @f
stdcall uhci_free_td, eax
@@:
mov eax, [ebx+usb_gtd.Pipe]
mov [eax+uhci_pipe.ErrorTD-uhci_pipe.SoftwarePart], ebx
mov [eax+uhci_pipe.ErrorTD-sizeof.uhci_pipe], ebx
; 5c. Traverse the list of descriptors looking for the final packet
; for this transfer.
; Free and unlink non-final descriptors, except the current one.
@ -1019,17 +1007,17 @@ end if
; After that, go to step 6 with ecx = 0 (no error).
cmp ecx, USB_STATUS_UNDERRUN
jnz @f
test byte [ebx+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart], 1
test byte [ebx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd], 1
jnz @f
; The controller has stopped this queue on the error packet.
; Update uhci_pipe.HeadTD to point to the next packet in the queue.
call uhci_fix_toggle
xor ecx, ecx
.control:
mov eax, [ebx+uhci_gtd.NextTD-uhci_gtd.SoftwarePart]
mov eax, [ebx+uhci_gtd.NextTD-sizeof.uhci_gtd]
and al, not 0xF
mov edx, [ebx+usb_gtd.Pipe]
mov [edx+uhci_pipe.HeadTD-uhci_pipe.SoftwarePart], eax
mov [edx+uhci_pipe.HeadTD-sizeof.uhci_pipe], eax
pop edx ; length
jmp .notify
@@:
@ -1047,7 +1035,7 @@ end if
push ecx
mov eax, [ebx+usb_gtd.Pipe]
push [ebx+usb_gtd.NextVirt]
cmp ebx, [eax+uhci_pipe.ErrorTD-uhci_pipe.SoftwarePart]
cmp ebx, [eax+uhci_pipe.ErrorTD-sizeof.uhci_pipe]
jz @f
stdcall uhci_free_td, ebx
@@:
@ -1065,10 +1053,10 @@ end if
cmp [edx+usb_pipe.Type], CONTROL_PIPE
jz .control
; Bulk/interrupt transfer; halt the queue.
mov eax, [ebx+uhci_gtd.NextTD-uhci_gtd.SoftwarePart]
mov eax, [ebx+uhci_gtd.NextTD-sizeof.uhci_gtd]
and al, not 0xF
inc eax ; set Halted bit
mov [edx+uhci_pipe.HeadTD-uhci_pipe.SoftwarePart], eax
mov [edx+uhci_pipe.HeadTD-sizeof.uhci_pipe], eax
pop edx ; restore length saved in step 5a
.notify:
; 6. Either the descriptor in ebx was processed without errors,
@ -1094,7 +1082,7 @@ end if
push [ebx+usb_gtd.NextVirt]
; 7b. Free the descriptor, unless it is saved as ErrorTD.
mov eax, [ebx+usb_gtd.Pipe]
cmp [eax+uhci_pipe.ErrorTD-uhci_pipe.SoftwarePart], ebx
cmp [eax+uhci_pipe.ErrorTD-sizeof.uhci_pipe], ebx
jz @f
stdcall uhci_free_td, ebx
@@:
@ -1118,9 +1106,9 @@ proc uhci_fix_toggle
; 2. The hardware expects next packet with toggle = (ErrorTD.toggle xor 1),
; the current value in next packet is (ebx.toggle xor 1).
; Nothing to do if ErrorTD.toggle == ebx.toggle.
mov eax, [ecx+uhci_pipe.ErrorTD-uhci_pipe.SoftwarePart]
mov eax, [eax+uhci_gtd.Token-uhci_gtd.SoftwarePart]
xor eax, [ebx+uhci_gtd.Token-uhci_gtd.SoftwarePart]
mov eax, [ecx+uhci_pipe.ErrorTD-sizeof.uhci_pipe]
mov eax, [eax+uhci_gtd.Token-sizeof.uhci_gtd]
xor eax, [ebx+uhci_gtd.Token-sizeof.uhci_gtd]
test eax, 1 shl 19
jz .nothing
; 3. Lock the transfer queue.
@ -1130,13 +1118,13 @@ proc uhci_fix_toggle
; (inclusive).
mov eax, [ebx+usb_gtd.NextVirt]
.loop:
xor byte [eax+uhci_gtd.Token-uhci_gtd.SoftwarePart+2], 1 shl (19-16)
xor byte [eax+uhci_gtd.Token-sizeof.uhci_gtd+2], 1 shl (19-16)
cmp eax, [ecx+usb_pipe.LastTD-usb_pipe.Lock]
mov eax, [eax+usb_gtd.NextVirt]
jnz .loop
; 5. Flip the toggle bit in uhci_pipe structure.
xor byte [ecx+uhci_pipe.Token-uhci_pipe.SoftwarePart-usb_pipe.Lock+2], 1 shl (19-16)
or dword [ecx+uhci_pipe.Token-uhci_pipe.SoftwarePart-usb_pipe.Lock], eax
xor byte [ecx+uhci_pipe.Token-sizeof.uhci_pipe-usb_pipe.Lock+2], 1 shl (19-16)
or dword [ecx+uhci_pipe.Token-sizeof.uhci_pipe-usb_pipe.Lock], eax
; 6. Unlock the transfer queue.
call mutex_unlock
.nothing:
@ -1338,7 +1326,7 @@ endp
; and stores USB device address in the uhci_pipe structure.
; in: esi -> usb_controller, ebx -> usb_pipe, cl = address
proc uhci_set_device_address
mov byte [ebx+uhci_pipe.Token+1-uhci_pipe.SoftwarePart], cl
mov byte [ebx+uhci_pipe.Token+1-sizeof.uhci_pipe], cl
call usb_subscription_done
ret
endp
@ -1347,7 +1335,7 @@ endp
; in: esi -> usb_controller, ebx -> usb_pipe
; out: eax = endpoint address
proc uhci_get_device_address
mov al, byte [ebx+uhci_pipe.Token+1-uhci_pipe.SoftwarePart]
mov al, byte [ebx+uhci_pipe.Token+1-sizeof.uhci_pipe]
and eax, 7Fh
ret
endp
@ -1372,8 +1360,8 @@ endp
proc uhci_set_endpoint_packet_size
dec ecx
shl ecx, 21
and [ebx+uhci_pipe.Token-uhci_pipe.SoftwarePart], (1 shl 21) - 1
or [ebx+uhci_pipe.Token-uhci_pipe.SoftwarePart], ecx
and [ebx+uhci_pipe.Token-sizeof.uhci_pipe], (1 shl 21) - 1
or [ebx+uhci_pipe.Token-sizeof.uhci_pipe], ecx
; uhci_pipe.Token field is purely for software bookkeeping and does not affect
; the hardware; thus, we can continue initialization immediately.
call usb_subscription_done
@ -1395,18 +1383,18 @@ virtual at ebp+8
.interval dd ?
end virtual
; 1. Initialize ErrorTD to zero.
and [edi+uhci_pipe.ErrorTD-uhci_pipe.SoftwarePart], 0
and [edi+uhci_pipe.ErrorTD-sizeof.uhci_pipe], 0
; 2. Initialize HeadTD to the physical address of the first TD.
push eax ; store pointer to the first TD for step ?
sub eax, uhci_gtd.SoftwarePart
push eax ; store pointer to the first TD for step 4
sub eax, sizeof.uhci_gtd
call get_phys_addr
mov [edi+uhci_pipe.HeadTD-uhci_pipe.SoftwarePart], eax
mov [edi+uhci_pipe.HeadTD-sizeof.uhci_pipe], eax
; 3. Initialize Token field:
; take DeviceAddress and LowSpeedDevice from the parent pipe,
; take Endpoint and MaximumLength fields from API arguments,
; set PID depending on pipe type and provided pipe direction,
; set DataToggle to zero.
mov eax, [ecx+uhci_pipe.Token-uhci_pipe.SoftwarePart]
mov eax, [ecx+uhci_pipe.Token-sizeof.uhci_pipe]
and eax, 0x107F00 ; keep DeviceAddress and LowSpeedDevice
mov edx, [.endpoint]
and edx, 15
@ -1424,20 +1412,22 @@ end virtual
jz @f
mov al, USB_PID_IN
@@:
mov [edi+uhci_pipe.Token-uhci_pipe.SoftwarePart], eax
mov [edi+uhci_pipe.Token-sizeof.uhci_pipe], eax
; 4. Initialize the first TD:
; copy Token from uhci_pipe.Token zeroing reserved bit 20,
; set ControlStatus for future transfers, bit make it inactive,
; set bit 0 in NextTD = "no next TD".
; set bit 0 in NextTD = "no next TD",
; zero OrigBufferInfo.
pop edx ; restore pointer saved in step 2
mov [edx+uhci_gtd.Token-uhci_gtd.SoftwarePart], eax
and byte [edx+uhci_gtd.Token+2-uhci_gtd.SoftwarePart], not (1 shl (20-16))
mov [edx+uhci_gtd.Token-sizeof.uhci_gtd], eax
and byte [edx+uhci_gtd.Token+2-sizeof.uhci_gtd], not (1 shl (20-16))
and eax, 1 shl 20
shl eax, 6
or eax, UHCI_INVALID_LENGTH + (3 shl 27)
; not processed, inactive, allow 3 errors
mov [edx+uhci_gtd.ControlStatus-uhci_gtd.SoftwarePart], eax
mov [edx+uhci_gtd.NextTD-uhci_gtd.SoftwarePart], 1
and [edx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd], 0
mov [edx+uhci_gtd.ControlStatus-sizeof.uhci_gtd], eax
mov [edx+uhci_gtd.NextTD-sizeof.uhci_gtd], 1
; 5. Select the corresponding list and insert to the list.
; 5a. Use Control list for control pipes, Bulk list for bulk pipes.
lea edx, [esi+uhci_controller.ControlED.SoftwarePart-sizeof.uhci_controller]
@ -1471,8 +1461,8 @@ end virtual
; 5d. Insert in the hardware list: copy previous NextQH to the new pipe,
; store the physical address of the new pipe to previous NextQH.
mov ecx, [edx+uhci_static_ep.NextQH-uhci_static_ep.SoftwarePart]
mov [edi+uhci_pipe.NextQH-uhci_pipe.SoftwarePart], ecx
lea eax, [edi-uhci_pipe.SoftwarePart]
mov [edi+uhci_pipe.NextQH-sizeof.uhci_pipe], ecx
lea eax, [edi-sizeof.uhci_pipe]
call get_phys_addr
inc eax
inc eax
@ -1486,13 +1476,13 @@ endp
; This procedure is called when a pipe is closing (either due to API call
; or due to disconnect); it unlinks a pipe from the corresponding list.
if uhci_static_ep.SoftwarePart <> uhci_pipe.SoftwarePart
.err uhci_unlink_pipe assumes that uhci_static_ep.SoftwarePart == uhci_pipe.SoftwarePart
if uhci_static_ep.SoftwarePart <> sizeof.uhci_pipe
.err uhci_unlink_pipe assumes that uhci_static_ep.SoftwarePart == sizeof.uhci_pipe
end if
proc uhci_unlink_pipe
cmp [ebx+usb_pipe.Type], INTERRUPT_PIPE
jnz @f
mov eax, [ebx+uhci_pipe.Token-uhci_pipe.SoftwarePart]
mov eax, [ebx+uhci_pipe.Token-sizeof.uhci_pipe]
cmp al, USB_PID_IN
setz ch
bt eax, 20
@ -1510,8 +1500,8 @@ proc uhci_unlink_pipe
mov [eax+usb_pipe.NextVirt], edx
; Note: eax could be either usb_pipe or usb_static_ep;
; fortunately, NextQH and SoftwarePart have same offsets in both.
mov edx, [ebx+uhci_pipe.NextQH-uhci_pipe.SoftwarePart]
mov [eax+uhci_pipe.NextQH-uhci_pipe.SoftwarePart], edx
mov edx, [ebx+uhci_pipe.NextQH-sizeof.uhci_pipe]
mov [eax+uhci_pipe.NextQH-sizeof.uhci_pipe], edx
ret
endp
@ -1519,7 +1509,7 @@ endp
; For UHCI, this includes usb_pipe structure and ErrorTD, if present.
proc uhci_free_pipe
mov eax, [esp+4]
mov eax, [eax+uhci_pipe.ErrorTD-uhci_pipe.SoftwarePart]
mov eax, [eax+uhci_pipe.ErrorTD-sizeof.uhci_pipe]
test eax, eax
jz @f
stdcall uhci_free_td, eax
@ -1544,7 +1534,7 @@ endl
; with size <= endpoint max packet size.
; 2. Get the maximum packet size for endpoint from uhci_pipe.Token
; and generate Token field for TDs.
mov edi, [ebx+uhci_pipe.Token-uhci_pipe.SoftwarePart]
mov edi, [ebx+uhci_pipe.Token-sizeof.uhci_pipe]
mov eax, edi
shr edi, 21
inc edi
@ -1602,14 +1592,14 @@ endl
; transparently to the caller.
test [flags], 1
jz @f
and byte [ecx+uhci_gtd.ControlStatus+3-uhci_gtd.SoftwarePart], not (1 shl (29-24))
and byte [ecx+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart], not 1
and byte [ecx+uhci_gtd.ControlStatus+3-sizeof.uhci_gtd], not (1 shl (29-24))
and byte [ecx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd], not 1
@@:
; 6. Update toggle bit in uhci_pipe structure from current value of [token].
mov edx, [token]
xor edx, [ebx+uhci_pipe.Token-uhci_pipe.SoftwarePart]
xor edx, [ebx+uhci_pipe.Token-sizeof.uhci_pipe]
and edx, 1 shl 19
xor [ebx+uhci_pipe.Token-uhci_pipe.SoftwarePart], edx
xor [ebx+uhci_pipe.Token-sizeof.uhci_pipe], edx
.nothing:
ret
.fail:
@ -1652,12 +1642,10 @@ end virtual
; 1c. We need a temporary buffer. Allocate [packetSize]*2 bytes, so that
; there must be [packetSize] bytes on one page,
; plus space for a header uhci_original_buffer.
push ebx
mov eax, [.packetSize]
add eax, eax
add eax, sizeof.uhci_original_buffer
call malloc
pop ebx
; 1d. If failed, return zero.
test eax, eax
jz .nothing
@ -1712,45 +1700,50 @@ end virtual
; mark it as last one (this will be changed when further packets will be
; allocated), copy Token field from uhci_pipe.Token zeroing bit 20,
; generate ControlStatus field, mark as Active
; (for last descriptor, this will be changed by uhci_insert_transfer).
mov [eax+uhci_gtd.NextTD-uhci_gtd.SoftwarePart], 1 ; no next TD
mov edx, [ebx+uhci_pipe.Token-uhci_pipe.SoftwarePart]
mov [eax+uhci_gtd.Token-uhci_gtd.SoftwarePart], edx
and byte [eax+uhci_gtd.Token+2-uhci_gtd.SoftwarePart], not (1 shl (20-16))
; (for last descriptor, this will be changed by uhci_insert_transfer),
; zero OrigBufferInfo (otherwise uhci_free_td would try to free it).
and [eax+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd], 0
mov [eax+uhci_gtd.NextTD-sizeof.uhci_gtd], 1 ; no next TD
mov edx, [ebx+uhci_pipe.Token-sizeof.uhci_pipe]
mov [eax+uhci_gtd.Token-sizeof.uhci_gtd], edx
and byte [eax+uhci_gtd.Token+2-sizeof.uhci_gtd], not (1 shl (20-16))
and edx, 1 shl 20
shl edx, 6
or edx, UHCI_INVALID_LENGTH + (1 shl 23) + (3 shl 27)
; not processed, active, allow 3 errors
mov [eax+uhci_gtd.ControlStatus-uhci_gtd.SoftwarePart], edx
mov [eax+uhci_gtd.ControlStatus-sizeof.uhci_gtd], edx
; 5. Initialize remaining fields of the current TD.
; 5a. Store pointer to the buffer allocated in step 1 (or zero).
pop [ecx+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart]
pop [ecx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd]
; 5b. Store physical address of the next TD.
push eax
sub eax, uhci_gtd.SoftwarePart
sub eax, sizeof.uhci_gtd
call get_phys_addr
; use Depth traversal unless this is the first TD in the transfer stage;
; for Control/Bulk pipes, use Depth traversal unless this is the first TD
; in the transfer stage;
; uhci_insert_transfer will set Depth traversal for the first TD and clear
; it in the last TD
test [ebx+usb_pipe.Type], 1
jnz @f
cmp ecx, [ebx+usb_pipe.LastTD]
jz @f
or eax, 4
@@:
mov [ecx+uhci_gtd.NextTD-uhci_gtd.SoftwarePart], eax
mov [ecx+uhci_gtd.NextTD-sizeof.uhci_gtd], eax
; 5c. Store physical address of the buffer: zero if no data present,
; the temporary buffer if it was allocated, the given buffer otherwise.
xor eax, eax
cmp [.packetSize], eax
jz .hasphysbuf
mov eax, [.buffer]
mov edx, [ecx+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart]
mov edx, [ecx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd]
test edx, edx
jz @f
mov eax, [edx+uhci_original_buffer.UsedBuffer]
@@:
call get_phys_addr
.hasphysbuf:
mov [ecx+uhci_gtd.Buffer-uhci_gtd.SoftwarePart], eax
mov [ecx+uhci_gtd.Buffer-sizeof.uhci_gtd], eax
; 5d. For IN transfers, disallow short packets.
; This will be overridden, if needed, by uhci_alloc_transfer.
mov eax, [.token]
@ -1758,13 +1751,13 @@ end virtual
dec edx
cmp al, USB_PID_IN
jnz @f
or byte [ecx+uhci_gtd.ControlStatus+3-uhci_gtd.SoftwarePart], 1 shl (29-24) ; disallow short packets
or byte [ecx+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart], 1
or byte [ecx+uhci_gtd.ControlStatus+3-sizeof.uhci_gtd], 1 shl (29-24) ; disallow short packets
or byte [ecx+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd], 1
@@:
; 5e. Get Token field: combine [.token] with [.packetSize].
shl edx, 21
or edx, eax
mov [ecx+uhci_gtd.Token-uhci_gtd.SoftwarePart], edx
mov [ecx+uhci_gtd.Token-sizeof.uhci_gtd], edx
; 6. Flip toggle bit in [.token].
xor eax, 1 shl 19
mov [.token], eax
@ -1785,11 +1778,14 @@ endp
; ecx -> last descriptor for the transfer, ebx -> usb_pipe
proc uhci_insert_transfer
; DEBUGF 1,'K : uhci_insert_transfer: eax=%x, ecx=%x, [esp+4]=%x\n',eax,ecx,[esp+4]
and byte [eax+uhci_gtd.ControlStatus+2-uhci_gtd.SoftwarePart], not (1 shl (23-16)) ; clear Active bit
or byte [ecx+uhci_gtd.ControlStatus+3-uhci_gtd.SoftwarePart], 1 shl (24-24) ; set InterruptOnComplete bit
and byte [eax+uhci_gtd.ControlStatus+2-sizeof.uhci_gtd], not (1 shl (23-16)) ; clear Active bit
or byte [ecx+uhci_gtd.ControlStatus+3-sizeof.uhci_gtd], 1 shl (24-24) ; set InterruptOnComplete bit
mov eax, [esp+4]
or byte [eax+uhci_gtd.ControlStatus+2-uhci_gtd.SoftwarePart], 1 shl (23-16) ; set Active bit
or byte [eax+uhci_gtd.NextTD-uhci_gtd.SoftwarePart], 4 ; set Depth bit
or byte [eax+uhci_gtd.ControlStatus+2-sizeof.uhci_gtd], 1 shl (23-16) ; set Active bit
test [ebx+usb_pipe.Type], 1
jnz @f
or byte [eax+uhci_gtd.NextTD-sizeof.uhci_gtd], 4 ; set Depth bit
@@:
ret
endp
@ -1798,13 +1794,13 @@ endp
; and the temporary buffer, if present.
proc uhci_free_td
mov eax, [esp+4]
mov eax, [eax+uhci_gtd.OrigBufferInfo-uhci_gtd.SoftwarePart]
mov eax, [eax+uhci_gtd.OrigBufferInfo-sizeof.uhci_gtd]
and eax, not 1
jz .nobuf
push ebx
call free
pop ebx
.nobuf:
sub dword [esp+4], uhci_gtd.SoftwarePart
sub dword [esp+4], sizeof.uhci_gtd
jmp usb_free_common
endp

View File

@ -272,6 +272,11 @@ BOOT_APM_FLAGS equ 0x9046 ;unused
BOOT_APM_CODE_32 equ 0x9050
BOOT_APM_CODE_16 equ 0x9052
BOOT_APM_DATA_16 equ 0x9054
BOOT_IDE_BAR0_16 equ 0x9056
BOOT_IDE_BAR1_16 equ 0x9058
BOOT_IDE_BAR2_16 equ 0x905A
BOOT_IDE_BAR3_16 equ 0x905C
BOOT_IDE_PI_16 equ 0x905E
TMP_FILE_NAME equ 0
TMP_CMD_LINE equ 1024

View File

@ -22,7 +22,7 @@ $Revision$
;
align 4
malloc:
push esi
push ebx esi
; nb = ((size+7)&~7)+8;
@ -96,7 +96,7 @@ malloc:
mov ecx, mst.mutex
call mutex_unlock
mov eax, esi
pop esi
pop esi ebx
ret
.split:
@ -205,7 +205,7 @@ free:
test eax, eax
jz .exit
push edi
push ebx edi
mov edi, eax
add edi, -8
@ -298,7 +298,7 @@ free:
mov eax, esi
pop esi
.fail:
pop edi
pop edi ebx
.exit:
ret

View File

@ -896,6 +896,7 @@ v86_irq2:
iretd
.found:
mov cr3, eax
mov esi, [ebx+APPDATA.saved_esp0]
sub word [esi-sizeof.v86_regs+v86_regs.esp], 6
mov ecx, [esi-sizeof.v86_regs+v86_regs.eip]
mov word [edx], cx
@ -916,7 +917,7 @@ v86_irq2:
call update_counters
lea edi, [ebx + 0x100000000 - SLOT_BASE]
shr edi, 3
add edi, TASK_DATA
add edi, CURRENT_TASK
call find_next_task.found
call do_change_task
popad

View File

@ -44,6 +44,8 @@ FindHDD:
jmp EndFindHDD
FindHDD_1:
DEBUGF 1, "K : Channel %d ",[ChannelNumber]:2
DEBUGF 1, "Disk %d\n",[DiskNumber]:1
call ReadHDD_ID
cmp [DevErrorCode], 0
jne FindHDD_2
@ -52,7 +54,7 @@ FindHDD_1:
cmp [Sector512+12], word 255
ja FindHDD_2
inc byte [DRIVE_DATA+1]
jmp FindHDD_2_2
jmp Print_Device_Name
FindHDD_2:
call DeviceReset
cmp [DevErrorCode], 0
@ -62,6 +64,21 @@ FindHDD_1:
jne FindHDD_2_2
inc byte [DRIVE_DATA+1]
inc byte [DRIVE_DATA+1]
Print_Device_Name:
pushad
pushfd
mov esi, Sector512+27*2
mov edi, dev_name
mov ecx, 20
cld
@@:
lodsw
xchg ah, al
stosw
loop @b
popfd
popad
DEBUGF 1, "K : Dev: %s \n", dev_name
FindHDD_2_2:
ret
@ -70,10 +87,11 @@ FindHDD_3:
shl byte [DRIVE_DATA+1], 2
ret
; Адрес считываемого сектора в режиме LBA
uglobal
SectorAddress DD ?
dev_name:
rb 41
endg
;*************************************************
;* ЧТЕНИЕ ИДЕНТИФИКАТОРА ЖЕСТКОГО ДИСКА *

View File

@ -206,7 +206,4 @@ clear_ide_cache:
ret
end_get_cache:
; mov [cache_ide0_pointer],HD_CACHE
; mov [cache_ide0_system_data],HD_CACHE+65536
; mov [cache_ide0_system_sad_size],1919
popa

View File

@ -17,7 +17,8 @@ $Revision$
search_partitions_ide0:
test [DRIVE_DATA+1], byte 0x40
jz search_partitions_ide1
mov [hdbase], 0x1f0
mov eax, [hd_address_table]
mov [hdbase], eax ;0x1f0
mov [hdid], 0x0
mov [hdpos], 1
mov [known_part], 1
@ -39,7 +40,8 @@ $Revision$
search_partitions_ide1:
test [DRIVE_DATA+1], byte 0x10
jz search_partitions_ide2
mov [hdbase], 0x1f0
mov eax, [hd_address_table]
mov [hdbase], eax ;0x1f0
mov [hdid], 0x10
mov [hdpos], 2
mov [known_part], 1
@ -61,7 +63,8 @@ $Revision$
search_partitions_ide2:
test [DRIVE_DATA+1], byte 0x4
jz search_partitions_ide3
mov [hdbase], 0x170
mov eax, [hd_address_table+16]
mov [hdbase], eax ;0x170
mov [hdid], 0x0
mov [hdpos], 3
mov [known_part], 1
@ -83,7 +86,8 @@ $Revision$
search_partitions_ide3:
test [DRIVE_DATA+1], byte 0x1
jz end_search_partitions_ide
mov [hdbase], 0x170
mov eax, [hd_address_table+16]
mov [hdbase], eax ;0x170
mov [hdid], 0x10
mov [hdpos], 4
mov [known_part], 1

View File

@ -1794,6 +1794,23 @@ dd 1675
* При создании процесса/потока текущая папка наследуется от
родителя.
---- Подфункция 3 - установить доп. системную директорию для ядра ----
Параметры:
* eax = 30 - номер функции
* ebx = 3 - номер подфункции
* ecx = указатель на блок данных:
sysdir_name rb 64
sysdir_path rb 64
Пример:
dir_name1 db 'addappl',0
rb 64-8
dir_path1 db 'HD0/1',0
rb 64-6
Возвращаемое значение:
* функция не возвращает значения
Замечания:
* Функция может быть вызвана только 1 раз за 1 сессию работы ОС.
======================================================================
========= Функция 34 - узнать кому принадлежит точка экрана. =========
======================================================================

View File

@ -1776,6 +1776,23 @@ Remarks:
* At process/thread creation the current folder will be inherited
from the parent.
--- Subfunction 3 - install the add.system directory for the kernel --
Parameters:
* eax = 30 - function number
* ebx = 3 - subfunction number
* ecx = pointer to a block of data:
sysdir_name rb 64
sysdir_path rb 64
For example:
dir_name1 db 'addappl',0
rb 64-8
dir_path1 db 'HD0/1',0
rb 64-6
Returned value:
* function does not return value
Remarks:
* The function can be called only 1 time for 1 session of the OS.
======================================================================
========= Function 34 - who owner the pixel on the screen. ===========
======================================================================

View File

@ -310,7 +310,9 @@ if 1
end if
and byte [esi+7000Bh], not 80h ; PIPEACONF: disable pipe
and byte [esi+7100Bh], not 80h ; PIPEBCONF: disable pipe
if 1
cmp [deviceType], gen4_start
jb .wait_watching_scanline
; g45 and later: use special flag from PIPE*CONF
mov edx, 10000h
@@:
mov ecx, 1000h
@ -319,20 +321,17 @@ if 1
jz @f
dec edx
jnz @b
.not_disabled:
sti
jmp .return
jmp .not_disabled
@@:
test byte [esi+7100Bh], 40h ; PIPEBCONF: wait until pipe disabled
jz @f
jz .disabled
mov ecx, 1000h
loop $
dec edx
jnz @b
jmp .not_disabled
@@:
else
; alternative way of waiting for pipe stop, works too
; pineview and before: wait while scanline still changes
.wait_watching_scanline:
mov edx, 1000h
.dis1:
push dword [esi+71000h]
@ -354,7 +353,6 @@ else
sti
jmp .return
.disabled:
end if
lea eax, [esi+61183h]
cmp [deviceType], ironlake_start
jb @f
@ -378,6 +376,7 @@ end if
and ecx, not 15
shl ecx, 2
mov dword [edx+10188h], ecx ; DSPASTRIDE: set scanline length
mov dword [edx+10184h], 0 ; DSPALINOFF: force write to DSPA* registers
and byte [esi+61233h], not 80h ; PFIT_CONTROL: disable panel fitting
or byte [edx+1000Bh], 80h ; PIPEACONF: enable pipe
; and byte [edx+1000Ah], not 0Ch ; PIPEACONF: enable Display+Cursor Planes
@ -437,6 +436,9 @@ i965_start = ($ - pciids) / 2
dw 0x29b2 ; q35g
dw 0x29c2 ; g33g
dw 0x29d2 ; q33g
dw 0xa001 ; pineview
dw 0xa011 ; pineview
gen4_start = ($ - pciids) / 2
dw 0x2a02 ; i965gm
dw 0x2a12 ; i965gm
dw 0x2a42 ; gm45
@ -446,8 +448,6 @@ i965_start = ($ - pciids) / 2
dw 0x2e32 ; g45
dw 0x2e42 ; g45
dw 0x2e92 ; g45
dw 0xa001 ; pineview
dw 0xa011 ; pineview
ironlake_start = ($ - pciids) / 2
dw 0x0042 ; ironlake_d
dw 0x0046 ; ironlake_m

View File

@ -4,7 +4,7 @@
;; Distributed under terms of the GNU General Public License ;;
;; 02.02.2010 turbanoff - support 70.5 ;;
;; 23.01.2010 turbanoff - support 70.0 70.1 ;;
;; ;;
;; 21.06.2013 yogev_ezra - Translate Russian comments ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@ -17,31 +17,34 @@ EXT2_ACL_DATA_INO = 4
EXT2_BOOT_LOADER_INO = 5
EXT2_UNDEL_DIR_INO = 6
;флаги, указываемый в inode файла
;RUS: флаги, указываемые в inode файла ;ENG: flags specified in file inode
EXT2_S_IFREG = 0x8000
EXT2_S_IFDIR = 0x4000
EXT2_S_IFMT = 0xF000 ;маска для типа файла
EXT2_S_IFMT = 0xF000 ;RUS: маска для типа файла ;ENG: mask for file type
;флаги, указываемые в linked list родительской папки
EXT2_FT_REG_FILE = 1 ;это файл, запись в родительском каталоге
EXT2_FT_DIR = 2 ;это папка
;RUS: флаги, указываемые в linked list родительской папки
;ENG: flags specified in linked list of parent folder
EXT2_FT_REG_FILE = 1 ;RUS: это файл, запись в родительском каталоге
;ENG: this is a file, record in parent catalog
EXT2_FT_DIR = 2 ;RUS: это папка ;ENG: this is a folder
;флаги используемые KolibriOS
;RUS: флаги используемые KolibriOS ;ENG: flags used by KolibriOS
FS_FT_HIDDEN = 2
FS_FT_DIR = 0x10 ;это папка
FS_FT_ASCII = 0 ;имя в ascii
FS_FT_UNICODE = 1 ;имя в unicode
FS_FT_DIR = 0x10 ;RUS: это папка ;ENG: this is a folder
FS_FT_ASCII = 0 ;RUS: имя в ascii ;ENG: name in ASCII
FS_FT_UNICODE = 1 ;RUS: имя в unicode ;ENG: name in UNICODE
EXT2_FEATURE_INCOMPAT_FILETYPE = 0x0002 ;тип файла должен указываться в директории
EXT4_FEATURE_INCOMPAT_EXTENTS = 0x0040 ;экстенты
EXT4_FEATURE_INCOMPAT_FLEX_BG = 0x0200 ;гибкие группы блоков
;реализованные ext[234] features
EXT2_FEATURE_INCOMPAT_FILETYPE = 0x0002 ;RUS: тип файла должен указываться в директории
;ENG: file type must be specified in the folder
EXT4_FEATURE_INCOMPAT_EXTENTS = 0x0040 ;RUS: экстенты ;ENG: extents
EXT4_FEATURE_INCOMPAT_FLEX_BG = 0x0200 ;RUS: гибкие группы блоков ;ENG: flexible block groups
;RUS: реализованные ext[234] features ;ENG: implemented ext[234] features
EXT4_FEATURE_INCOMPAT_SUPP = EXT2_FEATURE_INCOMPAT_FILETYPE \
or EXT4_FEATURE_INCOMPAT_EXTENTS \
or EXT4_FEATURE_INCOMPAT_FLEX_BG
;флаги, указываемые для inode в i_flags
;RUS: флаги, указываемые для inode в i_flags ;ENG: flags specified for inode in i_flags
EXT2_EXTENTS_FL = 0x00080000
struct EXT2_INODE_STRUC
@ -147,26 +150,31 @@ struct EXT2_SB_STRUC
log_groups_per_flex db ? ;+372
ends
struct EXT4_EXTENT_HEADER ;заголовок блока экстентов/индексов
eh_magic dw ? ;в текущей реализации ext4 должно быть 0xF30A
eh_entries dw ? ;количество экстентов/индексов в блоке
eh_max dw ? ;max количество (используется при записи)
eh_depth dw ? ;глубина дерева (0, если это блок экстентов)
struct EXT4_EXTENT_HEADER ;RUS: заголовок блока экстентов/индексов
eh_magic dw ? ;RUS: в текущей реализации ext4 должно быть 0xF30A
eh_entries dw ? ;RUS: количество экстентов/индексов в блоке
eh_max dw ? ;RUS: max количество (используется при записи)
eh_depth dw ? ;RUS: глубина дерева (0, если это блок экстентов)
eh_generation dd ? ;???
ends
struct EXT4_EXTENT ;экстент
ee_block dd ? ;номер ext4 блока
ee_len dw ? ;длина экстента
ee_start_hi dw ? ;старшие 16 бит 48-битного адреса (пока не используются в KOS)
ee_start_lo dd ? ;младшие 32 бита 48-битного адреса
struct EXT4_EXTENT ;RUS: экстент ;ENG: extent
ee_block dd ? ;RUS: номер ext4 блока ;ENG: number of ext4 block
ee_len dw ? ;RUS: длина экстента ;ENG: extent length
ee_start_hi dw ? ;RUS: старшие 16 бит 48-битного адреса (пока не используются в KOS)
;ENG: upper 16 bits of the 48-bit address (not used in KolibriOS yet)
ee_start_lo dd ? ;RUS: младшие 32 бита 48-битного адреса
;ENG: lower 32 bits of the 48-bit address
ends
struct EXT4_EXTENT_IDX ;индес - указатель на блок с экстентами/индексами
ei_block dd ? ;номер ext4 блока
ei_leaf_lo dd ? ;младшие 32 бит 48-битного адреса
ei_leaf_hi dw ? ;старшие 16 бит 48-битного адреса (пока не используются в KOS)
ei_unused dw ? ;зарезервировано
struct EXT4_EXTENT_IDX ;RUS: индекс - указатель на блок с экстентами/индексами
;ENG: index - pointer to block of extents/indexes
ei_block dd ? ;RUS: номер ext4 блока ;ENG: number of ext4 block
ei_leaf_lo dd ? ;RUS: младшие 32 бит 48-битного адреса
;ENG: lower 32 bits of the 48-bit address
ei_leaf_hi dw ? ;RUS: старшие 16 бит 48-битного адреса (пока не используются в KOS)
;ENG: upper 16 bits of the 48-bit address (not used in KolibriOS yet)
ei_unused dw ? ;RUS: зарезервировано ;ENG: reserved
ends
ext2_test_superblock:
@ -230,7 +238,7 @@ ext2_setup:
shl eax, 7
mov [ext2_data.count_pointer_in_block], eax
mov edx, eax ; потом еще квадрат найдем
mov edx, eax ;RUS: потом еще квадрат найдем ;ENG: we'll find a square later
shl eax, 2
mov [ext2_data.block_size], eax
@ -294,11 +302,11 @@ ext2_get_block:
;===================================================================
;получает номер блока из extent inode
;in: ecx = номер блока по порядку
; ebp = адрес extent header`а
;out: ecx - адрес очередного блока в случае успеха
; eax - номер ошибки (если равно 0, то ошибки нет)
;RUS: получает номер блока из extent inode ;ENG: receives block number from extent inode
;RUS: in: ecx = номер блока по порядку ;ENG: in: ecx = consecutive block number
;RUS: ebp = адрес extent header`а ;ENG: ebp = address of extent header
;RUS: out: ecx - адрес очередного блока в случае успеха ;ENG: out: ecx - address of next block, if successful
;RUS: eax - номер ошибки (если равно 0, то ошибки нет) ;ENG: eax - error number (0 - no error)
ext4_block_recursive_search:
cmp word [ebp + EXT4_EXTENT_HEADER.eh_magic], 0xF30A ;EXT4_EXT_MAGIC
jne .fail
@ -369,10 +377,10 @@ ext4_block_recursive_search:
;===================================================================
;получает адрес ext2 блока из inode с определнным номером
;in: ecx = номер блока в inode (0..)
; ebp = адрес inode
;out: ecx = адрес очередного блока
; eax - error code
;RUS: in: ecx = номер блока в inode (0..) ;ENG: in: ecx = number of block in inode (0..)
;RUS: ebp = адрес inode ;ENG: ebp = inode address
;RUS: out: ecx = адрес очередного блока ;ENG: out: ecx = next block address
;RUS: eax - error code ;ENG: eax - error code
ext2_get_inode_block:
test [ebp + EXT2_INODE_STRUC.i_flags], EXT2_EXTENTS_FL
jz @F
@ -411,7 +419,8 @@ ext2_get_inode_block:
mov eax, ecx
div [ext2_data.count_pointer_in_block_square]
;eax - номер в полученном блоке edx - номер дальше
;RUS: eax - номер в полученном блоке edx - номер дальше
;ENG: eax - current block number, edx - next block number
mov eax, [ebx + eax*4]
call ext2_get_block
test eax, eax
@ -450,9 +459,9 @@ ext2_get_inode_block:
mov ebx, [ext2_data.ext2_temp_block]
call ext2_get_block
test eax, eax
jnz @F ;если не было ошибки
jnz @F ;RUS: если не было ошибки ;ENG: if there was no error
mov ecx, [ebx + ecx*4] ;заносим результат
mov ecx, [ebx + ecx*4] ;RUS: заносим результат ;ENG: ???
@@:
pop ebx
ret
@ -481,8 +490,10 @@ ext2_get_inode:
mov edx, 32
mul edx ; address block_group in global_desc_table
; в eax - смещение группы с inode-ом относительно начала глобальной дескрипторной таблицы
; найдем блок в котором он находится
;RUS: в eax - смещение группы с inode-ом относительно начала глобальной дескрипторной таблицы
;RUS: найдем блок в котором он находится
;ENG: in eax - inode group offset relative to global descriptor table start
;ENG: let's find the block this inode is in
div [ext2_data.block_size]
add eax, [ecx + EXT2_SB_STRUC.first_data_block]
inc eax
@ -491,32 +502,32 @@ ext2_get_inode:
test eax, eax
jnz .fail
add ebx, edx ; локальный номер в блоке
mov eax, [ebx + EXT2_BLOCK_GROUP_DESC.inode_table]; номер блока - в терминах ext2
add ebx, edx ;RUS: локальный номер в блоке ;ENG: local number inside block
mov eax, [ebx + EXT2_BLOCK_GROUP_DESC.inode_table] ;RUS: номер блока - в терминах ext2
;ENG: block number - in ext2 terms
mov ecx, [ext2_data.log_block_size]
shl eax, cl
add eax, [PARTITION_START] ; а старт раздела - в терминах hdd (512)
add eax, [PARTITION_START] ;RUS: а старт раздела - в терминах hdd (512)
;ENG: partition start - in HDD terms (512)
;RUS: eax - указывает на таблицу inode-ов на hdd ;ENG: eax - points to inode table on HDD
mov esi, eax ;RUS: сохраним его пока в esi ;ENG: let's save it in esi for now
;eax - указывает на таблицу inode-ов на hdd
mov esi, eax ;сохраним его пока в esi
; прибавим локальный адрес inode-а
;RUS: прибавим локальный адрес inode-а ;ENG: add local address of inode
pop eax ; index
mov ecx, [ext2_data.inode_size]
mul ecx ; (index * inode_size)
mov ebp, 512
div ebp ;поделим на размер блока
div ebp ;RUS: поделим на размер блока ;ENG: divide by block size
add eax, esi ;нашли адрес блока для чтения
add eax, esi ;RUS: нашли адрес блока для чтения ;ENG: found block address to read
mov ebx, [ext2_data.ext2_temp_block]
call hd_read
cmp [hd_error], 0
jnz .fail
mov esi, edx ;добавим "остаток"
add esi, ebx ;к адресу
rep movsb ;копируем inode
mov esi, edx ;RUS: добавим "остаток" ;ENG: add the "remainder"
add esi, ebx ;RUS: к адресу ;ENG: to the address
rep movsb ;RUS: копируем inode ;ENG: copy inode
xor eax, eax
.fail:
mov PUSHAD_EAX, eax
@ -745,7 +756,8 @@ ext2_HdReadFolder:
lea esp, [edi + 32]
xor eax, eax ;зарезервировано: нули в текущей реализации
xor eax, eax ;RUS: зарезервировано: нули в текущей реализации
;ENG: reserved: zeros in current implementation
lea edi, [edx + 12]
mov ecx, 20 / 4
rep stosd
@ -760,12 +772,12 @@ ext2_HdReadFolder:
or ebx, -1
ret
.error_empty_dir: ;inode папки без блоков
.error_root: ;root - не папка
.error_empty_dir: ;RUS: inode папки без блоков ;ENG: inode of folder without blocks
.error_root: ;RUS: root - не папка ;ENG: root is not a folder
mov eax, ERROR_FS_FAIL
jmp .error_ret
.error_not_found: ;файл не найден
.error_not_found: ;RUS: файл не найден ;ENG: file not found
mov eax, ERROR_FILE_NOT_FOUND
jmp .error_ret
@ -867,9 +879,9 @@ ext2_HdRead:
jz @F
mov esi, ebx ; esi = pointer to first_wanted
mov ebx, [esi+4]
mov eax, [esi] ; ebx : eax - стартовый номер байта
mov eax, [esi] ;RUS: ebx : eax - стартовый номер байта ;ENG: ebx : eax - start byte number
;///// сравним хватит ли нам файла или нет
;RUS: ///// сравним хватит ли нам файла или нет ;ENG: ///// check if file is big enough for us
cmp [ebp + EXT2_INODE_STRUC.i_dir_acl], ebx
ja .size_great
jb .size_less
@ -886,23 +898,24 @@ ext2_HdRead:
xor ebx, ebx
xor eax, eax
.size_great:
add eax, ecx ;add to first_wanted кол-во байт для чтения
add eax, ecx ;RUS: add to first_wanted кол-во байт для чтения
;ENG: add to first_wanted number of bytes to read
adc ebx, 0
cmp [ebp + EXT2_INODE_STRUC.i_dir_acl], ebx
ja .size_great_great
jb .size_great_less
cmp [ebp + EXT2_INODE_STRUC.i_size], eax
jae .size_great_great
jae .size_great_great ; and if it's equal, no matter where we jump
.size_great_less:
push 1 ;читаем по границе размера
push 1 ;RUS: читаем по границе размера ;ENG: reading till the end of file
mov ecx, [ebp + EXT2_INODE_STRUC.i_size]
sub ecx, [esi] ;(размер - старт) = сколько читать
sub ecx, [esi] ;RUS: (размер - старт) = сколько читать ;ENG: to read = (size - start)
jmp @F
.size_great_great:
push 0 ;читаем столько сколько запросили
push 0 ;RUS: читаем столько, сколько запросили ;ENG: reading as much as requested
@@:
;здесь мы точно знаем сколько байт читать - ecx
@ -934,7 +947,8 @@ ext2_HdRead:
add ebx, edx
neg edx
add edx, [ext2_data.block_size] ;block_size - стартовый байт = сколько байт 1-го блока
add edx, [ext2_data.block_size] ;RUS: block_size - стартовый байт = сколько байт 1-го блока
;ENG: block_size - start byte = number of bytes in 1st block
cmp ecx, edx
jbe .only_one_block
@ -943,7 +957,7 @@ ext2_HdRead:
mov ecx, edx
mov esi, ebx
rep movsb ;кусок 1-го блока
rep movsb ;RUS: кусок 1-го блока ;ENG: part of 1st block
jmp .calc_blocks_count
.zero_start:
@ -1031,7 +1045,7 @@ ext2_HdRead:
ext2_test_block_by_name:
sub esp, 256 ;EXT2_filename
mov edx, ebx
add edx, [ext2_data.block_size] ;запомним конец блока
add edx, [ext2_data.block_size] ;RUS: запомним конец блока ;ENG: save block end
.start_rec:
cmp [ebx + EXT2_DIR_STRUC.inode], 0
@ -1045,7 +1059,7 @@ ext2_test_block_by_name:
mov ecx, edi
lea edi, [esp + 4]
sub ecx, edi ;кол-во байт в получившейся строке
sub ecx, edi ;RUS: кол-во байт в получившейся строке ;ENG: number of bytes in resulting string
mov esi, [esp]
@@:
@ -1061,19 +1075,19 @@ ext2_test_block_by_name:
call char_toupper
cmp al, ah
je @B
@@: ;не подошло
@@: ;RUS: не подошло ;ENG: didn't fit
pop esi
.next_rec:
movzx eax, [ebx + EXT2_DIR_STRUC.rec_len]
add ebx, eax ;к след. записи
cmp ebx, edx ;проверим конец ли
add ebx, eax ;RUS: к след. записи ;ENG: go to next record
cmp ebx, edx ;RUS: проверим конец ли ;ENG: check if this is the end
jb .start_rec
add esp, 256
ret
.test_find:
cmp byte [esi], 0
je .ret ;нашли конец
je .ret ;RUS: нашли конец ;ENG: the end reached
cmp byte [esi], '/'
jne @B
inc esi
@ -1111,27 +1125,28 @@ ext2_find_lfn:
call ext2_test_block_by_name
pop edi ecx
cmp edi, esi ;нашли имя?
je .next_folder_block ;не нашли -> к след. блоку
cmp edi, esi ;RUS: нашли имя? ;ENG: did we find a name?
je .next_folder_block ;RUS: не нашли -> к след. блоку ;ENG: we didn't -> moving to next block
cmp byte [esi], 0 ;дошли до "конца" пути -> возваращаемся
cmp byte [esi], 0 ;RUS: дошли до "конца" пути -> возваращаемся
;ENG: reached the "end" of path -> returning
jz .get_inode_ret
cmp [ebx + EXT2_DIR_STRUC.file_type], EXT2_FT_DIR ;нашли, но это не папка
jne .not_found
cmp [ebx + EXT2_DIR_STRUC.file_type], EXT2_FT_DIR ;RUS: нашли, но это не папка
jne .not_found ;ENG: found, but it's not a folder
mov eax, [ebx + EXT2_DIR_STRUC.inode]
mov ebx, [ext2_data.ext2_save_inode] ;все же папка.
mov ebx, [ext2_data.ext2_save_inode] ;RUS: все же папка. ;ENG: it's a folder afterall
call ext2_get_inode
test eax, eax
jnz .error_get_inode
pop ecx ;в стеке лежит кол-во блоков
pop ecx ;RUS: в стеке лежит кол-во блоков ;ENG: stack top contains number of blocks
mov ebp, ebx
jmp .next_path_part
.next_folder_block:
;к следующему блоку в текущей папке
pop eax ;счетчик блоков
pop eax ;RUS: счетчик блоков ;ENG: blocks counter
sub eax, [ext2_data.count_block_in_block]
jle .not_found
@ -1144,8 +1159,8 @@ ext2_find_lfn:
ret
.get_inode_ret:
pop ecx ;в стеке лежит кол-во блоков
mov dl, [ebx + EXT2_DIR_STRUC.name] ;в dl - первый символ ()
pop ecx ;RUS: в стеке лежит кол-во блоков ;ENG: stack top contains number of blocks
mov dl, [ebx + EXT2_DIR_STRUC.name] ;RUS: в dl - первый символ () ;ENG: ???
mov eax, [ebx + EXT2_DIR_STRUC.inode]
mov ebx, [ext2_data.ext2_save_inode]
call ext2_get_inode
@ -1182,7 +1197,7 @@ ext2_HdGetFileInfo:
ret
.is_root:
xor ebx, ebx ;root не может быть скрытым
xor ebx, ebx ;RUS: root не может быть скрытым ;ENG: root cannot be hidden
mov ebp, [ext2_data.root_inode]
@@:
xor eax, eax

View File

@ -166,10 +166,8 @@ fat_create_partition:
; FAT size requires knowledge of some calculated values, which are also used
; in the normal operation, let's hope for the best and allocate data now; if
; it will prove wrong, just deallocate it.
push ebx
movi eax, sizeof.FAT
call malloc
pop ebx
test eax, eax
jz .return0
mov ecx, [ebp+8]
@ -2441,7 +2439,6 @@ fat_SetFileEnd:
pop eax
lea ebx, [ebp+FAT.buffer]
call fs_write32_sys
pop edi
test eax, eax
jz @f
push ERROR_DEVICE

View File

@ -525,25 +525,29 @@ fs_NumFloppyServices = ($ - fs_FloppyServices)/4
fs_OnHd0:
call reserve_hd1
mov [hdbase], 0x1F0
mov eax, [hd_address_table]
mov [hdbase], eax ;0x1F0
mov [hdid], 0
push 1
jmp fs_OnHd
fs_OnHd1:
call reserve_hd1
mov [hdbase], 0x1F0
mov eax, [hd_address_table]
mov [hdbase], eax ;0x1F0
mov [hdid], 0x10
push 2
jmp fs_OnHd
fs_OnHd2:
call reserve_hd1
mov [hdbase], 0x170
mov eax, [hd_address_table+16]
mov [hdbase], eax ;0x170
mov [hdid], 0
push 3
jmp fs_OnHd
fs_OnHd3:
call reserve_hd1
mov [hdbase], 0x170
mov eax, [hd_address_table+16]
mov [hdbase], eax ;0x170
mov [hdid], 0x10
push 4
fs_OnHd:
@ -932,24 +936,30 @@ biosdisk_enum_root:
pop eax
inc eax
ret
;-----------------------------------------------------------------------------
process_replace_file_name:
; in
; esi - path with filename(f.70)
;
; out
; ebp - full filename
pushfd
cli
mov ebp, [full_file_name_table]
mov edi, [full_file_name_table.size]
dec edi
shl edi, 7
add edi, ebp
xor edi, edi
.loop:
cmp edi, ebp
jb .notfound
cmp edi, [full_file_name_table.size]
jae .notfound
push esi edi
shl edi, 7 ; edi*128
add edi, ebp
@@:
cmp byte [edi], 0
cmp byte [edi], 0 ; end of dir_name
jz .dest_done
lodsb
test al, al
jz .cont
or al, 20h
or al, 20h ; 32 - space char
scasb
jz @b
jmp .cont
@ -962,10 +972,12 @@ process_replace_file_name:
jmp .found
.cont:
pop edi esi
sub edi, 128
inc edi
jmp .loop
.found:
pop edi eax
shl edi, 7 ; edi*128
add edi, ebp
mov ebp, esi
cmp byte [esi], 0
lea esi, [edi+64]
@ -973,7 +985,12 @@ process_replace_file_name:
.notfound:
xor ebp, ebp
.ret:
popfd
ret
;-----------------------------------------------------------------------------
uglobal
lock_flag_for_f30_3 rb 1
endg
sys_current_directory:
; mov esi, [current_slot]
@ -988,7 +1005,45 @@ sys_current_directory:
jz .set
dec ebx
jz .get
dec ebx
jz .mount_additional_directory
ret
.mount_additional_directory:
; sysfunction 30.2: [for app] eax=30,ebx=3,ecx->dir name+dir path (128)
; for our code: nothing
; check lock of the function
cmp [lock_flag_for_f30_3], 1
je @f
mov esi, ecx
mov edi, sysdir_name1
; copying fake directory name
mov ecx, 63
pushfd
cli
cld
rep movsb
; terminator of name, in case if we get the inlet trash
inc esi
xor eax, eax
stosb
; copying real directory path for mounting
mov ecx, 63
rep movsb
; terminator of name, in case if we get the inlet trash
xor eax, eax
stosb
; increase the pointer of inputs for procedure "process_replace_file_name"
mov [full_file_name_table.size], 2
; block the ability to call f.30.3 because for one session is necessary
; for us only once
mov [lock_flag_for_f30_3], 1
popfd
@@:
ret
.get:
; sysfunction 30.2: [for app] eax=30,ebx=2,ecx->buffer,edx=len
; for our code: ebx->buffer,ecx=len

View File

@ -32,6 +32,17 @@ uglobal
; Parser_params will initialize: sysdir_name = "sys", sysdir_path = <sysdir>
sysdir_name rb 64
sysdir_path rb 64
sysdir_name1 rb 64
sysdir_path1 rb 64
; for example:
;dir_name1 db 'addappl',0
; rb 64-8
;dir_path1 db 'HD0/1',0
; rb 64-6
endg
uglobal
tmp_file_name_table dd ?
endg

View File

@ -77,10 +77,10 @@ ext2_data:
.inode_size dd ?
.count_pointer_in_block dd ? ; block_size / 4
.count_pointer_in_block_square dd ? ; (block_size / 4)**2
.ext2_save_block dd ? ; блок на глобальную 1 процедуру
.ext2_temp_block dd ? ; блок для мелких процедур
.ext2_save_inode dd ? ; inode на глобальную процедуру
.ext2_temp_inode dd ? ; inode для мелких процедур
.ext2_save_block dd ? ;RUS: блок на глобальную 1 процедуру ;ENG: block for 1 global procedure
.ext2_temp_block dd ? ;RUS: блок для мелких процедур ;ENG: block for small procedures
.ext2_save_inode dd ? ;RUS: inode на глобальную процедуру ;ENG: inode for global procedure
.ext2_temp_inode dd ? ;RUS: inode для мелких процедур ;ENG: inode for small procedures
.sb dd ? ; superblock
.groups_count dd ?
if $ > fs_dependent_data_end

View File

@ -7,8 +7,6 @@
$Revision$
include "lang.inc"
;------------------------------------------------------------------------------
align 4
dtext_asciiz_esi: ; for skins title out

View File

@ -453,6 +453,9 @@ acpi_dev_data rd 1
acpi_dev_size rd 1
acpi_rsdt_base rd 1
acpi_fadt_base rd 1
acpi_dsdt_base rd 1
acpi_dsdt_size rd 1
acpi_madt_base rd 1
acpi_ioapic_base rd 1
@ -464,6 +467,7 @@ ACPI_HI_RSDP_WINDOW_START equ 0x000E0000
ACPI_HI_RSDP_WINDOW_END equ 0x00100000
ACPI_RSDP_CHECKSUM_LENGTH equ 20
ACPI_MADT_SIGN equ 0x43495041
ACPI_FADT_SIGN equ 0x50434146
acpi_locate:
@ -535,9 +539,22 @@ check_acpi:
jz .done
mov ecx, [eax+16]
mov edx, ACPI_MADT_SIGN
mov edx, 0x50434146
mov [acpi_rsdt_base-OS_BASE], ecx
call rsdt_find
mov [acpi_fadt_base-OS_BASE], eax
test eax, eax
jz @f
mov eax, [eax+40]
mov [acpi_dsdt_base-OS_BASE], eax
mov eax, [eax+4]
mov [acpi_dsdt_size-OS_BASE], eax
@@:
mov edx, ACPI_MADT_SIGN
mov ecx, [acpi_rsdt_base-OS_BASE]
call rsdt_find
test eax, eax
jz .done

View File

@ -358,8 +358,44 @@ high_code:
call mutex_init
; SAVE REAL MODE VARIABLES
xor eax, eax
mov ax, [BOOT_VAR + BOOT_IDE_PI_16]
mov [IDEContrProgrammingInterface], ax
mov ax, [BOOT_VAR + BOOT_IDE_BASE_ADDR]
mov [IDEContrRegsBaseAddr], ax
mov ax, [BOOT_VAR + BOOT_IDE_BAR0_16]
mov [IDE_BAR0_val], ax
cmp ax, 0
je @f
cmp ax, 1
je @f
and ax, 0xfff0
mov [StandardATABases], ax
mov [hd_address_table], eax
mov [hd_address_table+8], eax
@@:
mov ax, [BOOT_VAR + BOOT_IDE_BAR1_16]
mov [IDE_BAR1_val], ax
mov ax, [BOOT_VAR + BOOT_IDE_BAR2_16]
mov [IDE_BAR2_val], ax
cmp ax, 0
je @f
cmp ax, 1
je @f
and ax, 0xfff0
mov [StandardATABases+2], ax
mov [hd_address_table+16], eax
mov [hd_address_table+24], eax
@@:
mov ax, [BOOT_VAR + BOOT_IDE_BAR3_16]
mov [IDE_BAR3_val], ax
; --------------- APM ---------------------
; init selectors
@ -1014,6 +1050,12 @@ end if
@@:
DEBUGF 1, "K : %d CPU detected\n", eax
DEBUGF 1, "K : BAR0 %x \n", [IDE_BAR0_val]:4
DEBUGF 1, "K : BAR1 %x \n", [IDE_BAR1_val]:4
DEBUGF 1, "K : BAR2 %x \n", [IDE_BAR2_val]:4
DEBUGF 1, "K : BAR3 %x \n", [IDE_BAR3_val]:4
DEBUGF 1, "K : BAR4 %x \n", [IDEContrRegsBaseAddr]:4
DEBUGF 1, "K : IDEContrProgrammingInterface %x \n", [IDEContrProgrammingInterface]:4
; START MULTITASKING
; A 'All set - press ESC to start' messages if need
@ -1028,6 +1070,17 @@ end if
cmp [IDEContrRegsBaseAddr], 0
setnz [dma_hdd]
cmp [dma_hdd], 0
je .print_pio
.print_dma:
DEBUGF 1, "K : IDE DMA mode\n"
jmp .continue
.print_pio:
DEBUGF 1, "K : IDE PIO mode\n"
.continue:
mov [timer_ticks_enable], 1 ; for cd driver
sti
@ -1585,25 +1638,29 @@ endg
dec ecx
jnz noprma
mov [cdbase], 0x1f0
mov eax, [hd_address_table]
mov [cdbase], eax ;0x1f0
mov [cdid], 0xa0
noprma:
noprma:
dec ecx
jnz noprsl
mov [cdbase], 0x1f0
mov eax, [hd_address_table]
mov [cdbase], eax ;0x1f0
mov [cdid], 0xb0
noprsl:
noprsl:
dec ecx
jnz nosema
mov [cdbase], 0x170
mov eax, [hd_address_table+16]
mov [cdbase], eax ;0x170
mov [cdid], 0xa0
nosema:
nosema:
dec ecx
jnz nosesl
mov [cdbase], 0x170
mov eax, [hd_address_table+16]
mov [cdbase], eax ;0x170
mov [cdid], 0xb0
nosesl:
nosesl:
ret
iglobal
@ -1630,7 +1687,8 @@ endg
cmp ecx, 1
jnz noprmahd
mov [hdbase], 0x1f0
mov eax, [hd_address_table]
mov [hdbase], eax ;0x1f0
and dword [hdid], 0x0
mov dword [hdpos], ecx
; call set_FAT32_variables
@ -1638,7 +1696,8 @@ endg
cmp ecx, 2
jnz noprslhd
mov [hdbase], 0x1f0
mov eax, [hd_address_table]
mov [hdbase], eax ;0x1f0
mov [hdid], 0x10
mov dword [hdpos], ecx
; call set_FAT32_variables
@ -1646,7 +1705,8 @@ endg
cmp ecx, 3
jnz nosemahd
mov [hdbase], 0x170
mov eax, [hd_address_table+16]
mov [hdbase], eax ;0x170
and dword [hdid], 0x0
mov dword [hdpos], ecx
; call set_FAT32_variables
@ -1654,7 +1714,8 @@ endg
cmp ecx, 4
jnz noseslhd
mov [hdbase], 0x170
mov eax,[hd_address_table+16]
mov [hdbase], eax ;0x170
mov [hdid], 0x10
mov dword [hdpos], ecx
; call set_FAT32_variables
@ -5409,7 +5470,6 @@ calculate_fast_getting_offset_for_WinMapAddress:
; calculate data area for fast getting offset to _WinMapAddress
xor eax, eax
mov ecx, [_display.height]
inc ecx
mov edi, d_width_calc_area
cld
@@:
@ -5424,7 +5484,6 @@ calculate_fast_getting_offset_for_LFB:
; calculate data area for fast getting offset to LFB
xor eax, eax
mov ecx, [_display.height]
inc ecx
mov edi, BPSLine_calc_area
cld
@@:
@ -5816,7 +5875,6 @@ include "data32.inc"
__REV__ = __REV
uglobals_size = $ - endofcode
if ~ lang eq sp
diff16 "end of kernel code",0,$
end if

View File

@ -55,9 +55,8 @@ struct ARP_header
ends
align 4
uglobal
align 4
ARP_table rb NET_DEVICES_MAX*(ARP_TABLE_SIZE * sizeof.ARP_entry)
@ -176,13 +175,13 @@ ARP_input:
cmp ecx, sizeof.ARP_header
jb .exit
call NET_ptr_to_num
call NET_ptr_to_num4
cmp edi, -1
jz .exit
inc [ARP_PACKETS_RX + 4*edi] ; update stats
inc [ARP_PACKETS_RX + edi] ; update stats
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_input: got packet from %u.%u.%u.%u through device %u\n",\
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_input: got packet from %u.%u.%u.%u (device*4=%u)\n",\
[edx + ARP_header.SenderIP]:1, [edx + ARP_header.SenderIP + 1]:1,\
[edx + ARP_header.SenderIP + 2]:1, [edx + ARP_header.SenderIP + 3]:1, edi
@ -190,7 +189,7 @@ ARP_input:
; First, check for IP collision
mov eax, [edx + ARP_header.SenderIP]
cmp eax, [IP_LIST + 4*edi]
cmp eax, [IP_LIST + edi]
je .collision
;---------------------
@ -201,12 +200,12 @@ ARP_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_input: It's a reply\n"
mov ecx, [ARP_entries_num + 4*edi]
mov ecx, [ARP_entries_num + edi]
test ecx, ecx
jz .exit
mov esi, (ARP_TABLE_SIZE * sizeof.ARP_entry)
imul esi, edi
mov esi, edi
imul esi, (ARP_TABLE_SIZE * sizeof.ARP_entry)/4
add esi, ARP_table
.loop:
cmp [esi + ARP_entry.IP], eax
@ -245,7 +244,7 @@ ARP_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_input: its a request\n"
mov eax, [IP_LIST + 4*edi]
mov eax, [IP_LIST + edi]
cmp eax, [edx + ARP_header.TargetIP] ; Is it looking for my IP address?
jne .exit
@ -262,7 +261,7 @@ ARP_input:
movsd ; Move sender IP to Dest IP
pop esi
mov esi, [NET_DRV_LIST + 4*esi]
mov esi, [NET_DRV_LIST + esi]
lea esi, [esi + ETH_DEVICE.mac]
lea edi, [edx + ARP_header.SenderMAC]
movsd ; Copy MAC address from in MAC_LIST
@ -290,7 +289,7 @@ ARP_input:
ret
.collision:
inc [ARP_CONFLICTS + 4*edi]
inc [ARP_CONFLICTS + edi]
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_input: IP address conflict detected!\n"
.exit:
@ -337,11 +336,11 @@ ARP_output_request:
movsw ;
movsd ;
; mov esi, [ebx + NET_DEVICE.number]
xor esi, esi ;;;; FIXME
inc esi ;;;;;;;;;
inc [ARP_PACKETS_TX + 4*esi] ; assume we will succeed
lea esi, [IP_LIST + 4*esi] ; SenderIP
push edi
call NET_ptr_to_num4
inc [ARP_PACKETS_TX + edi] ; assume we will succeed
lea esi, [IP_LIST + edi] ; SenderIP
pop edi
movsd
mov esi, ETH_BROADCAST ; DestMac
@ -364,7 +363,7 @@ ARP_output_request:
; ARP_add_entry (or update)
;
; IN: esi = ptr to entry (can easily be made on the stack)
; edi = device num
; edi = device num*4
; OUT: eax = entry #, -1 on error
; esi = ptr to newly created entry
;
@ -374,17 +373,17 @@ ARP_add_entry:
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_add_entry: device=%u\n", edi
mov ecx, [ARP_entries_num + 4*edi]
mov ecx, [ARP_entries_num + edi]
cmp ecx, ARP_TABLE_SIZE ; list full ?
jae .full
; From this point on, we can only fail if IP has a static entry, or if table is corrupt.
inc [ARP_entries_num + 4*edi] ; assume we will succeed
inc [ARP_entries_num + edi] ; assume we will succeed
push edi
xor ecx, ecx
imul edi, ARP_TABLE_SIZE*sizeof.ARP_entry
imul edi, ARP_TABLE_SIZE*sizeof.ARP_entry/4
add edi, ARP_table
mov eax, [esi + ARP_entry.IP]
.loop:
@ -419,7 +418,7 @@ ARP_add_entry:
.error:
pop edi
dec [ARP_entries_num + 4*edi]
dec [ARP_entries_num + edi]
DEBUGF DEBUG_NETWORK_ERROR, "ARP_add_entry_failed\n"
.full:
mov eax, -1
@ -475,7 +474,7 @@ ARP_del_entry:
; This function translates an IP address to a MAC address
;
; IN: eax = IPv4 address
; edi = device number
; edi = device number * 4
; OUT: eax = -1 on error, -2 means request send
; else, ax = first two bytes of mac (high 16 bits of eax will be 0)
; ebx = last four bytes of mac
@ -487,7 +486,7 @@ ARP_IP_to_MAC:
DEBUGF DEBUG_NETWORK_VERBOSE, "ARP_IP_to_MAC: %u.%u", al, ah
rol eax, 16
DEBUGF DEBUG_NETWORK_VERBOSE, ".%u.%u device: %u\n", al, ah, edi
DEBUGF DEBUG_NETWORK_VERBOSE, ".%u.%u device*4: %u\n", al, ah, edi
rol eax, 16
cmp eax, 0xffffffff
@ -496,11 +495,11 @@ ARP_IP_to_MAC:
;--------------------------------
; Try to find the IP in ARP_table
mov ecx, [ARP_entries_num + 4*edi]
mov ecx, [ARP_entries_num + edi]
test ecx, ecx
jz .not_in_list
mov esi, edi
imul esi, sizeof.ARP_entry * ARP_TABLE_SIZE
imul esi, (sizeof.ARP_entry * ARP_TABLE_SIZE)/4
add esi, ARP_table + ARP_entry.IP
.scan_loop:
cmp [esi], eax
@ -538,7 +537,7 @@ ARP_IP_to_MAC:
pop edi eax ; IP in eax, device number in ebx, for ARP_output_request
push esi edi
mov ebx, [NET_DRV_LIST + 4*edi]
mov ebx, [NET_DRV_LIST + edi]
call ARP_output_request
pop edi esi
.found_it:
@ -655,7 +654,6 @@ ARP_api:
.write:
; esi = pointer to buffer
mov edi, eax
shr edi, 2
call ARP_add_entry ; out: eax = entry number, -1 on error
ret

View File

@ -55,8 +55,8 @@ struct FRAGMENT_entry ; This structure will replace the ethern
ends
align 4
uglobal
align 4
IP_LIST rd NET_DEVICES_MAX
SUBNET_LIST rd NET_DEVICES_MAX
@ -69,6 +69,7 @@ uglobal
IP_packets_dumped rd NET_DEVICES_MAX
FRAGMENT_LIST rb MAX_FRAGMENTS * sizeof.FRAGMENT_slot
endg
@ -223,8 +224,7 @@ IPv4_input: ; TODO: add IPv4
;-----------------------------------
; Check if destination IP is correct
call NET_ptr_to_num
shl edi, 2
call NET_ptr_to_num4
; check if it matches local ip (Using RFC1122 strong end system model)
@ -586,9 +586,9 @@ IPv4_output:
push ebx ; push the mac onto the stack
push ax
inc [IP_packets_tx + 4*edi] ; update stats
inc [IP_packets_tx + edi] ; update stats
mov ebx, [NET_DRV_LIST + 4*edi]
mov ebx, [NET_DRV_LIST + edi]
lea eax, [ebx + ETH_DEVICE.mac]
mov edx, esp
mov ecx, [esp + 10 + 6]
@ -857,7 +857,7 @@ IPv4_fragment:
; IPv4_route
;
; IN: eax = Destination IP
; OUT: edi = device number
; OUT: edi = device number*4
; eax = ip of gateway if nescessary, unchanged otherwise
;
;---------------------------------------------------------------------------
@ -890,8 +890,7 @@ IPv4_route:
.invalid:
mov eax, [GATEWAY_LIST+4] ;;; FIXME
.broadcast:
xor edi, edi ; if none found, use device 1 as default ;;;; FIXME
inc di
mov edi, 4 ; if none found, use device 1 as default ;;;; FIXME
ret

View File

@ -30,8 +30,8 @@ struct IPv6_header
ends
align 4
uglobal
align 4
IPv6:
.addresses rd 4*NET_DEVICES_MAX

View File

@ -23,8 +23,11 @@ struct PPPoE_frame
ends
uglobal
align 4
PPPoE_SID dw ?
PPPoE_MAC dp ?
endg
;-----------------------------------------------------------------
@ -63,6 +66,11 @@ PPPoE_discovery_input:
; First, find open PPPoE socket
pusha
mov ecx, socket_mutex
call mutex_lock
popa
mov eax, net_sockets
.next_socket:
@ -76,6 +84,11 @@ PPPoE_discovery_input:
cmp [eax + SOCKET.Protocol], PPP_PROTO_ETHERNET
jne .next_socket
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
; Now, send it to the this socket
mov ecx, [esp + 4]
@ -84,6 +97,11 @@ PPPoE_discovery_input:
jmp SOCKET_input
.dump:
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
DEBUGF DEBUG_NETWORK_VERBOSE, 'PPPoE_discovery_input: dumping\n'
call kernel_free
add esp, 4

View File

@ -32,8 +32,8 @@ struct ETH_DEVICE NET_DEVICE
ends
align 4
iglobal
align 4
ETH_BROADCAST dp 0xffffffffffff
endg
@ -57,9 +57,8 @@ ETH_input:
mov ecx, [esp+4]
DEBUGF DEBUG_NETWORK_VERBOSE,"ETH_input: size=%u\n", ecx
cmp ecx, ETH_FRAME_MINIMUM
jb .dump
sub ecx, sizeof.ETH_header
jb .dump
lea edx, [eax + sizeof.ETH_header]
mov ax, [eax + ETH_header.Type]

View File

@ -97,10 +97,12 @@ struct ICMP_header
ends
align 4
uglobal
align 4
ICMP_PACKETS_TX rd NET_DEVICES_MAX
ICMP_PACKETS_RX rd NET_DEVICES_MAX
endg
@ -156,9 +158,17 @@ ICMP_input:
pop ecx edx
jne .checksum_mismatch
; Check packet type
cmp [edx + ICMP_header.Type], ICMP_ECHO ; Is this an echo request?
jne .check_sockets
; Update stats (and validate device ptr)
call NET_ptr_to_num4
cmp edi, -1
je .dump
inc [ICMP_PACKETS_RX + edi]
; We well re-use the packet so we can create the response as fast as possible
; Notice: this only works on pure ethernet
@ -166,14 +176,6 @@ ICMP_input:
mov [edx + ICMP_header.Type], ICMP_ECHOREPLY ; Change Packet type to reply
mov esi, [esp] ; Start of buffer
; Update stats (and validate device ptr)
call NET_ptr_to_num
cmp edi, -1
je .dump
inc [ICMP_PACKETS_RX + 4*edi]
inc [ICMP_PACKETS_TX + 4*edi]
cmp ebx, LOOPBACK_DEVICE
je .loopback
@ -225,6 +227,11 @@ ICMP_input:
; Transmit the packet (notice that packet ptr and packet size have been on stack since start of the procedure!)
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
inc [UDP_PACKETS_TX + edi]
@@:
ret
@ -233,6 +240,11 @@ ICMP_input:
.check_sockets:
; Look for an open ICMP socket
pusha
mov ecx, socket_mutex
call mutex_lock
popa
mov esi, [edi] ; ipv4 source address
mov eax, net_sockets
.try_more:
@ -240,7 +252,7 @@ ICMP_input:
.next_socket:
mov eax, [eax + SOCKET.NextPtr]
or eax, eax
jz .dump
jz .dump_
cmp [eax + SOCKET.Domain], AF_INET4
jne .next_socket
@ -254,10 +266,16 @@ ICMP_input:
; cmp [eax + ICMP_SOCKET.Identifier],
; jne .next_socket
; call IPv4_dest_to_dev
; cmp edi,-1
; je .dump
; inc [ICMP_PACKETS_RX+edi]
; Update stats (and validate device ptr)
call NET_ptr_to_num4
cmp edi, -1
je .dump_
inc [ICMP_PACKETS_RX + edi]
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
DEBUGF DEBUG_NETWORK_VERBOSE, "socket=%x\n", eax
@ -269,6 +287,16 @@ ICMP_input:
mov esi, edx
jmp SOCKET_input
.dump_:
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
DEBUGF DEBUG_NETWORK_VERBOSE, "ICMP_input: no socket found\n"
jmp .dump
.checksum_mismatch:
DEBUGF DEBUG_NETWORK_VERBOSE, "checksum mismatch\n"
@ -336,6 +364,11 @@ ICMP_output:
push edx edi
DEBUGF DEBUG_NETWORK_VERBOSE, "Sending ICMP Packet\n"
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
inc [ICMP_PACKETS_TX + edi]
@@:
ret
.exit:
DEBUGF DEBUG_NETWORK_ERROR, "Creating ICMP Packet failed\n"
@ -386,6 +419,11 @@ ICMP_output_raw:
DEBUGF DEBUG_NETWORK_VERBOSE, "Sending ICMP Packet\n"
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
inc [ICMP_PACKETS_TX + edi]
@@:
ret
.exit:
DEBUGF DEBUG_NETWORK_ERROR, "Creating ICMP Packet failed\n"

View File

@ -17,6 +17,7 @@
$Revision: 2891 $
iglobal
align 4
LOOPBACK_DEVICE:

View File

@ -28,6 +28,7 @@ struct queue
size dd ? ; number of queued packets in this queue
w_ptr dd ? ; current writing pointer in queue
r_ptr dd ? ; current reading pointer
mutex MUTEX
ends
@ -44,9 +45,23 @@ ends
macro add_to_queue ptr, size, entry_size, failaddr {
cmp [ptr + queue.size], size ; Check if queue isnt full
jae failaddr
local .ok, .no_wrap
pusha
lea ecx, [ptr + queue.mutex]
call mutex_lock
popa
cmp [ptr + queue.size], size ; Check if queue isnt full
jb .ok
pusha
lea ecx, [ptr + queue.mutex]
call mutex_unlock
popa
jmp failaddr
.ok:
inc [ptr + queue.size] ; if not full, queue one more
mov edi, [ptr + queue.w_ptr] ; Current write pointer (FIFO!)
@ -58,19 +73,37 @@ macro add_to_queue ptr, size, entry_size, failaddr {
jb .no_wrap
sub edi, size*entry_size
.no_wrap:
mov [ptr + queue.w_ptr], edi
pusha
lea ecx, [ptr + queue.mutex]
call mutex_unlock
popa
}
macro get_from_queue ptr, size, entry_size, failaddr {
cmp [ptr + queue.size], 0 ; any packets queued?
je failaddr
local .ok, .no_wrap
pusha
lea ecx, [ptr + queue.mutex]
call mutex_lock
popa
cmp [ptr + queue.size], 0 ; any packets queued?
ja .ok
pusha
lea ecx, [ptr + queue.mutex]
call mutex_unlock
popa
jmp failaddr
.ok:
dec [ptr + queue.size] ; if so, dequeue one
mov esi, [ptr + queue.r_ptr]
@ -89,6 +122,11 @@ macro get_from_queue ptr, size, entry_size, failaddr {
pop esi
pusha
lea ecx, [ptr + queue.mutex]
call mutex_unlock
popa
}
macro init_queue ptr {
@ -97,4 +135,7 @@ macro init_queue ptr {
lea edi, [ptr + sizeof.queue]
mov [ptr + queue.w_ptr], edi
mov [ptr + queue.r_ptr], edi
lea ecx, [ptr + queue.mutex]
call mutex_init
}

File diff suppressed because it is too large Load Diff

View File

@ -81,7 +81,6 @@ SO_REUSEPORT = 1 shl 7
SO_USELOOPBACK = 1 shl 8
SO_BINDTODEVICE = 1 shl 9
SO_BLOCK = 1 shl 10 ; TO BE REMOVED
SO_NONBLOCK = 1 shl 31
; Socket flags for user calls
@ -104,9 +103,9 @@ SS_ISABORTING = 0x0080 ; aborting fd references - close()
SS_RESTARTSYS = 0x0100 ; restart blocked system calls
SS_ISDISCONNECTED = 0x0800 ; socket disconnected from peer
SS_ASYNC = 0x0100 ; async i/o notify
SS_ISCONFIRMING = 0x0200 ; deciding to accept connection req
SS_MORETOCOME = 0x0400
SS_ASYNC = 0x1000 ; async i/o notify
SS_ISCONFIRMING = 0x2000 ; deciding to accept connection req
SS_MORETOCOME = 0x4000
SS_BLOCKED = 0x8000
@ -115,7 +114,15 @@ SOCKET_MAXDATA = 4096*32 ; must be 4096*(power of 2) where 'power
MAX_backlog = 20 ; maximum backlog for stream sockets
; Error Codes
ENOBUFS = 55
ENOBUFS = 1
EOPNOTSUPP = 4
EWOULDBLOCK = 6
ENOTCONN = 9
EALREADY = 10
EINVAL = 11
EMSGSIZE = 12
ENOMEM = 18
EADDRINUSE = 20
ECONNREFUSED = 61
ECONNRESET = 52
ETIMEDOUT = 60
@ -213,8 +220,8 @@ include "socket.inc"
align 4
uglobal
align 4
NET_RUNNING dd ?
NET_DRV_LIST rd NET_DEVICES_MAX
@ -450,29 +457,33 @@ NET_remove_device:
;-----------------------------------------------------------------
align 4
NET_ptr_to_num:
call NET_ptr_to_num4
ror edi, 2 ; If -1, stay -1
; valid device numbers have last two bits 0, so do just shr
ret
align 4
NET_ptr_to_num4: ; Todo, place number in device structure so we only need to verify?
push ecx
mov ecx, NET_DEVICES_MAX
mov edi, NET_DRV_LIST
.loop:
cmp ebx, [edi]
jz .found
je .found
add edi, 4
dec ecx
jnz .loop
; repnz scasd could work too if eax is used instead of ebx!
or edi, -1
pop ecx
ret
.found:
sub edi, NET_DRV_LIST
shr edi, 2
pop ecx
ret

View File

@ -127,8 +127,9 @@ struct TCP_queue_entry
ends
align 4
uglobal
align 4
TCP_segments_tx rd NET_DEVICES_MAX
TCP_segments_rx rd NET_DEVICES_MAX
TCP_segments_missed rd NET_DEVICES_MAX
@ -136,7 +137,7 @@ uglobal
; TCP_bytes_rx rq NET_DEVICES_MAX
; TCP_bytes_tx rq NET_DEVICES_MAX
TCP_sequence_num dd ?
TCP_queue rd TCP_QUEUE_SIZE*sizeof.TCP_queue_entry/4
TCP_queue rd (TCP_QUEUE_SIZE*sizeof.TCP_queue_entry + sizeof.queue)/4
TCP_input_event dd ?
endg
@ -163,6 +164,10 @@ macro TCP_init {
movi ebx, 1
mov ecx, TCP_process_input
call new_sys_threads
test eax, eax
jns @f
DEBUGF DEBUG_NETWORK_ERROR,'K : cannot create kernel thread for TCP, error %d\n', eax
@@:
}

View File

@ -50,6 +50,9 @@ TCP_input:
add esp, sizeof.TCP_queue_entry
call NET_ptr_to_num4
inc [TCP_segments_rx + edi]
xor edx, edx
mov eax, [TCP_input_event]
mov ebx, [eax + EVENT.id]
@ -62,7 +65,8 @@ TCP_input:
popf
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP incoming queue is full, discarding packet!\n"
inc [TCP_segments_missed] ; FIXME: use correct interface
call NET_ptr_to_num4
inc [TCP_segments_missed + edi]
add esp, sizeof.TCP_queue_entry - 8
call kernel_free
@ -146,13 +150,18 @@ TCP_process_input:
; (IP Packet TCP Source Port = remote Port) OR (remote Port = 0)
.findpcb:
pusha
mov ecx, socket_mutex
call mutex_lock
popa
mov ebx, net_sockets
mov si, [edx + TCP_header.DestinationPort]
.socket_loop:
mov ebx, [ebx + SOCKET.NextPtr]
or ebx, ebx
jz .respond_seg_reset
jz .no_socket ;respond_seg_reset
cmp [ebx + SOCKET.Domain], AF_INET4
jne .socket_loop
@ -176,13 +185,13 @@ TCP_process_input:
test ax, ax
jnz .socket_loop
.found_socket: ; ebx now contains the socketpointer
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_input: socket ptr=%x state=%u flags=%x\n", ebx, [ebx + TCP_SOCKET.t_state], [edx + TCP_header.Flags]:2
;-------------
; update stats
inc [TCP_segments_rx] ; FIXME: correct interface?
;----------------------------
; Check if socket isnt closed
@ -1161,9 +1170,17 @@ TCP_process_input:
.ack_la:
jnc .ack_processed
push ebx
lea ecx, [ebx + SOCKET.mutex]
call mutex_unlock
pop ebx
push ebx
mov eax, ebx
call TCP_disconnect
jmp .drop
pop ebx
jmp .destroy_new_socket
.ack_tw:
mov [ebx + TCP_SOCKET.timer_timed_wait], 2 * TCP_time_MSL
@ -1223,7 +1240,10 @@ align 4
and [ebx + TCP_SOCKET.temp_bits], not TCP_BIT_DROPSOCKET
;;; call SOCKET_notify_owner
pusha
mov eax, ebx
call SOCKET_notify
popa
jmp .trim_then_step6
@ -1298,7 +1318,10 @@ align 4
;;; TODO: update stats
; set socket state to connected
mov [ebx + SOCKET.state], SS_ISCONNECTED
push eax
mov eax, ebx
call SOCKET_is_connected
pop eax
mov [ebx + TCP_SOCKET.t_state], TCPS_ESTABLISHED
; Do window scaling on this connection ?
@ -1620,6 +1643,13 @@ align 4
pop ebx
jmp .destroy_new_socket
.no_socket:
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
.respond_seg_reset:
test [edx + TCP_header.Flags], TH_RST
jnz .drop_no_socket

View File

@ -35,6 +35,8 @@ TCP_output:
call mutex_lock
pop eax
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_output: socket locked\n"
; We'll detect the length of the data to be transmitted, and flags to be used
; If there is some data, or any critical controls to send (SYN / RST), then transmit
; Otherwise, investigate further
@ -216,6 +218,7 @@ TCP_output:
mov ebx, TCP_max_win
shl ebx, cl
pop ecx
cmp ebx, ecx
jb @f
mov ebx, ecx
@ -549,7 +552,8 @@ TCP_send:
pop ecx
pop eax
inc [TCP_segments_tx] ; FIXME: correct interface?
call NET_ptr_to_num4
inc [TCP_segments_tx + edi]
; update advertised receive window
test ecx, ecx
@ -570,6 +574,8 @@ TCP_send:
;--------------
; unlock socket
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_send: unlocking socket 0x%x\n", eax
push eax
lea ecx, [eax + SOCKET.mutex]
call mutex_unlock
@ -606,7 +612,8 @@ TCP_send:
.send_error:
add esp, 8
add esp, 4
pop eax
lea ecx, [eax + SOCKET.mutex]
call mutex_unlock

View File

@ -164,7 +164,7 @@ TCP_drop:
;;; TODO: check if error code is "Connection timed out' and handle accordingly
mov [eax + SOCKET.errorcode], ebx
; mov [eax + SOCKET.errorcode], ebx
@ -302,6 +302,11 @@ TCP_respond:
; And send the segment
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
inc [TCP_segments_tx + edi]
@@:
ret
.error:
@ -378,6 +383,11 @@ TCP_respond_segment:
; And send the segment
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
call NET_ptr_to_num4
inc [TCP_segments_tx + edi]
@@:
ret
.error:

View File

@ -97,6 +97,9 @@ TCP_disconnect:
call SOCKET_is_disconnecting
call TCP_usrclosed
push eax
call TCP_output
pop eax
ret

View File

@ -27,10 +27,12 @@ struct UDP_header
ends
align 4
uglobal
align 4
UDP_PACKETS_TX rd NET_DEVICES_MAX
UDP_PACKETS_RX rd NET_DEVICES_MAX
endg
@ -114,6 +116,7 @@ macro UDP_checksum IP1, IP2 { ; esi = ptr to udp packet, ecx = packet size
;
;-----------------------------------------------------------------
align 4
diff16 "UDP packetgfgfgfgfs", 0, $
UDP_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: size=%u\n", ecx
@ -139,6 +142,11 @@ UDP_input:
; IP Packet UDP Destination Port = local Port
; IP Packet SA = Remote IP
pusha
mov ecx, socket_mutex
call mutex_lock
popa
mov cx, [esi + UDP_header.SourcePort]
mov dx, [esi + UDP_header.DestinationPort]
mov edi, [edi + 4] ; ipv4 source address
@ -147,7 +155,7 @@ UDP_input:
.next_socket:
mov eax, [eax + SOCKET.NextPtr]
or eax, eax
jz .dump
jz .dump_
cmp [eax + SOCKET.Domain], AF_INET4
jne .next_socket
@ -160,6 +168,11 @@ UDP_input:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: socket=%x\n", eax
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
;;; TODO: when packet is processed, check more sockets!
; cmp [eax + IP_SOCKET.RemoteIP], 0xffffffff
@ -182,7 +195,8 @@ UDP_input:
popa
.updatesock:
inc [UDP_PACKETS_RX] ; Fixme: correct interface?
call NET_ptr_to_num4
inc [UDP_PACKETS_RX + edi]
movzx ecx, [esi + UDP_header.Length]
sub ecx, sizeof.UDP_header
@ -202,6 +216,16 @@ UDP_input:
jmp .updatesock
.dump_:
pusha
mov ecx, socket_mutex
call mutex_unlock
popa
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: no socket found\n"
jmp .dump
.checksum_mismatch:
DEBUGF DEBUG_NETWORK_VERBOSE, "UDP_input: checksum mismatch\n"
@ -274,7 +298,8 @@ UDP_output:
call [ebx + NET_DEVICE.transmit]
test eax, eax
jnz @f
inc [UDP_PACKETS_TX] ; FIXME: correct device?
call NET_ptr_to_num4
inc [UDP_PACKETS_TX + edi]
@@:
ret