02/02: [USBOHCI_NEW] Avoid storing pointers as ULONG and physical addresses as pointers.
1 Sep
2018
1 Sep
'18
4:25 p.m.
https://git.reactos.org/?p=reactos.git;a=commitdiff;h=c188e387e3b80ce4a776d…
commit c188e387e3b80ce4a776d74375d2649f8ffe8d7a
Author: Thomas Faber <thomas.faber(a)reactos.org>
AuthorDate: Sat Sep 1 18:23:25 2018 +0200
Commit: Thomas Faber <thomas.faber(a)reactos.org>
CommitDate: Sat Sep 1 18:23:25 2018 +0200
[USBOHCI_NEW] Avoid storing pointers as ULONG and physical addresses as pointers.
---
drivers/usb/usbohci_new/usbohci.c | 72 +++++++++++++++++++--------------------
drivers/usb/usbohci_new/usbohci.h | 6 ++--
2 files changed, 39 insertions(+), 39 deletions(-)
diff --git a/drivers/usb/usbohci_new/usbohci.c b/drivers/usb/usbohci_new/usbohci.c
index ef123288b2..e4bed31d6d 100644
--- a/drivers/usb/usbohci_new/usbohci.c
+++ b/drivers/usb/usbohci_new/usbohci.c
@@ -239,7 +239,7 @@ OHCI_InitializeTDs(IN POHCI_ENDPOINT OhciEndpoint,
TdVA = OhciEndpoint->FirstTD;
- TdPA = (ULONG)EndpointProperties->BufferPA + sizeof(OHCI_HCD_ED);
+ TdPA = EndpointProperties->BufferPA + sizeof(OHCI_HCD_ED);
for (ix = 0; ix < TdCount; ix++)
{
@@ -673,9 +673,9 @@ OHCI_StartController(IN PVOID ohciExtension,
}
OhciExtension->HcResourcesVA = (POHCI_HC_RESOURCES)Resources->StartVA;
- OhciExtension->HcResourcesPA = (POHCI_HC_RESOURCES)Resources->StartPA;
+ OhciExtension->HcResourcesPA = Resources->StartPA;
- DPRINT_OHCI("OHCI_StartController: HcResourcesVA - %p, HcResourcesPA -
%p\n",
+ DPRINT_OHCI("OHCI_StartController: HcResourcesVA - %p, HcResourcesPA -
%lx\n",
OhciExtension->HcResourcesVA,
OhciExtension->HcResourcesPA);
@@ -685,7 +685,7 @@ OHCI_StartController(IN PVOID ohciExtension,
for (ix = 0; ix < INTERRUPT_ENDPOINTs; ix++)
{
IntED = &OhciExtension->HcResourcesVA->InterrruptHeadED[ix];
- IntEdPA =
(ULONG_PTR)&OhciExtension->HcResourcesPA->InterrruptHeadED[ix];
+ IntEdPA = OhciExtension->HcResourcesPA + FIELD_OFFSET(OHCI_HC_RESOURCES,
InterrruptHeadED[ix]);
if (ix == (ENDPOINT_INTERRUPT_1ms - 1))
{
@@ -819,7 +819,7 @@ OHCI_StartController(IN PVOID ohciExtension,
/* Setup HcHCCA register */
WRITE_REGISTER_ULONG(&OperationalRegs->HcHCCA,
- (ULONG)&OhciExtension->HcResourcesPA->HcHCCA);
+ OhciExtension->HcResourcesPA +
FIELD_OFFSET(OHCI_HC_RESOURCES, HcHCCA));
/* Setup HcInterruptEnable register */
Interrupts.AsULONG = 0;
@@ -1249,7 +1249,7 @@ OHCI_RemainTDs(IN POHCI_EXTENSION OhciExtension,
DPRINT_OHCI("OHCI_RemainTDs: ... \n");
MaxTDs = OhciEndpoint->MaxTransferDescriptors;
- TD = (POHCI_HCD_TD)OhciEndpoint->FirstTD;
+ TD = OhciEndpoint->FirstTD;
RemainTDs = 0;
@@ -1273,7 +1273,7 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
IN PUSBPORT_SCATTER_GATHER_LIST SGList)
{
POHCI_HCD_TD FirstTD;
- POHCI_HCD_TD FirstTdPA;
+ ULONG FirstTdPA;
POHCI_HCD_TD TD;
POHCI_HCD_TD TD2;
POHCI_HCD_TD PrevTD;
@@ -1302,7 +1302,7 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
FirstTD->Flags |= OHCI_HCD_TD_FLAG_PROCESSED;
FirstTD->NextHcdTD = 0;
- FirstTD->OhciTransfer = (ULONG)OhciTransfer;
+ FirstTD->OhciTransfer = OhciTransfer;
FirstTD->HwTD.Padded[0] = 0;
FirstTD->HwTD.Padded[1] = 0;
@@ -1313,12 +1313,12 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
&TransferParameters->SetupPacket,
sizeof(FirstTD->HwTD.SetupPacket));
- FirstTdPA = (POHCI_HCD_TD)FirstTD->PhysicalAddress;
+ FirstTdPA = FirstTD->PhysicalAddress;
- FirstTD->HwTD.gTD.CurrentBuffer = (ULONG)&FirstTdPA->HwTD.SetupPacket;
+ FirstTD->HwTD.gTD.CurrentBuffer = FirstTdPA + FIELD_OFFSET(OHCI_HCD_TD,
HwTD.SetupPacket);
- BufferEnd = (ULONG_PTR)&FirstTdPA->HwTD.SetupPacket +
- sizeof(USB_DEFAULT_PIPE_SETUP_PACKET) - 1;
+ BufferEnd = FirstTdPA + FIELD_OFFSET(OHCI_HCD_TD, HwTD.SetupPacket) +
+ sizeof(USB_DEFAULT_PIPE_SETUP_PACKET) - 1;
FirstTD->HwTD.gTD.BufferEnd = BufferEnd;
@@ -1336,7 +1336,7 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
TD2->Flags |= OHCI_HCD_TD_FLAG_PROCESSED;
TD2->NextHcdTD = 0;
- TD2->OhciTransfer = (ULONG)OhciTransfer;
+ TD2->OhciTransfer = OhciTransfer;
RtlZeroMemory(&TD2->HwTD.SetupPacket,
sizeof(TD2->HwTD.SetupPacket));
@@ -1348,7 +1348,7 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
TD = TD2;
PrevTD->HwTD.gTD.NextTD = TD2->PhysicalAddress;
- PrevTD->NextHcdTD = (ULONG)TD2;
+ PrevTD->NextHcdTD = TD2;
MaxPacketSize = OhciEndpoint->EndpointProperties.TotalMaxPacketSize;
@@ -1387,7 +1387,7 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
TD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_NONE;
TD->NextHcdTD = 0;
- TD->OhciTransfer = (ULONG)OhciTransfer;
+ TD->OhciTransfer = OhciTransfer;
TD->HwTD.gTD.CurrentBuffer = 0;
TD->HwTD.gTD.BufferEnd = 0;
@@ -1399,7 +1399,7 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
TD->HwTD.Padded[1] = 0;
PrevTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
- PrevTD->NextHcdTD = (ULONG)TD;
+ PrevTD->NextHcdTD = TD;
}
if (TransferParameters->TransferFlags & USBD_SHORT_TRANSFER_OK)
@@ -1435,7 +1435,7 @@ OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension,
NextTD = OHCI_AllocateTD(OhciExtension, OhciEndpoint);
TD->HwTD.gTD.NextTD = NextTD->PhysicalAddress;
- TD->NextHcdTD = (ULONG)NextTD;
+ TD->NextHcdTD = NextTD;
NextTD->NextHcdTD = 0;
NextTD->HwTD.gTD.NextTD = 0;
@@ -1503,7 +1503,7 @@ OHCI_BulkOrInterruptTransfer(IN POHCI_EXTENSION OhciExtension,
TD->HwTD.Padded[1] = 0;
TD->Flags |= OHCI_HCD_TD_FLAG_PROCESSED;
- TD->OhciTransfer = (ULONG)OhciTransfer;
+ TD->OhciTransfer = OhciTransfer;
TD->NextHcdTD = 0;
if (TransferParameters->TransferBufferLength)
@@ -1533,7 +1533,7 @@ OHCI_BulkOrInterruptTransfer(IN POHCI_EXTENSION OhciExtension,
OhciTransfer->PendingTDs++;
PrevTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
- PrevTD->NextHcdTD = (ULONG)TD;
+ PrevTD->NextHcdTD = TD;
}
while (TransferedLen < TransferParameters->TransferBufferLength);
@@ -1545,7 +1545,7 @@ OHCI_BulkOrInterruptTransfer(IN POHCI_EXTENSION OhciExtension,
PrevTD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_IMMEDIATE;
PrevTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
- PrevTD->NextHcdTD = (ULONG)TD;
+ PrevTD->NextHcdTD = TD;
TD->HwTD.gTD.NextTD = 0;
TD->NextHcdTD = 0;
@@ -1630,7 +1630,7 @@ OHCI_ProcessDoneTD(IN POHCI_EXTENSION OhciExtension,
DPRINT_OHCI("OHCI_ProcessDoneTD: ... \n");
- OhciTransfer = (POHCI_TRANSFER)TD->OhciTransfer;
+ OhciTransfer = TD->OhciTransfer;
OhciEndpoint = OhciTransfer->OhciEndpoint;
OhciTransfer->PendingTDs--;
@@ -1735,7 +1735,7 @@ OHCI_AbortTransfer(IN PVOID ohciExtension,
OhciExtension,
OhciEndpoint);
- if (NextTD->OhciTransfer == (ULONG)OhciTransfer)
+ if (NextTD->OhciTransfer == OhciTransfer)
{
LastTD = OhciTransfer->NextTD;
@@ -1748,7 +1748,7 @@ OHCI_AbortTransfer(IN PVOID ohciExtension,
{
TD = &OhciEndpoint->FirstTD[ix];
- if (TD->OhciTransfer == (ULONG)OhciTransfer)
+ if (TD->OhciTransfer == OhciTransfer)
{
if (IsIsoEndpoint)
OHCI_ProcessDoneIsoTD(OhciExtension, TD, FALSE);
@@ -1768,10 +1768,10 @@ OHCI_AbortTransfer(IN PVOID ohciExtension,
do
{
- if (TD->OhciTransfer == (ULONG)ohciTransfer)
+ if (TD->OhciTransfer == ohciTransfer)
{
PrevTD = TD;
- TD = (POHCI_HCD_TD)TD->NextHcdTD;
+ TD = TD->NextHcdTD;
if (PrevTD == OhciEndpoint->HcdHeadP)
OhciEndpoint->HcdHeadP = TD;
@@ -1785,7 +1785,7 @@ OHCI_AbortTransfer(IN PVOID ohciExtension,
}
else
{
- TD = (POHCI_HCD_TD)TD->NextHcdTD;
+ TD = TD->NextHcdTD;
}
}
while (TD != NextTD);
@@ -1799,7 +1799,7 @@ OHCI_AbortTransfer(IN PVOID ohciExtension,
while (TD != OhciEndpoint->HcdTailP)
{
- if (TD->OhciTransfer == (ULONG)OhciTransfer)
+ if (TD->OhciTransfer == OhciTransfer)
{
td = TD;
break;
@@ -1807,7 +1807,7 @@ OHCI_AbortTransfer(IN PVOID ohciExtension,
LastTD = TD;
- TD = (POHCI_HCD_TD)TD->NextHcdTD;
+ TD = TD->NextHcdTD;
}
TD = td;
@@ -1818,19 +1818,19 @@ OHCI_AbortTransfer(IN PVOID ohciExtension,
break;
PrevTD = TD;
- TD = (POHCI_HCD_TD)TD->NextHcdTD;
+ TD = TD->NextHcdTD;
if (IsIsoEndpoint)
OHCI_ProcessDoneIsoTD(OhciExtension, PrevTD, FALSE);
else
OHCI_ProcessDoneTD(OhciExtension, PrevTD, FALSE);
}
- while (TD->OhciTransfer == (ULONG)OhciTransfer);
+ while (TD->OhciTransfer == OhciTransfer);
- TmpTransfer = (POHCI_TRANSFER)LastTD->OhciTransfer;
+ TmpTransfer = LastTD->OhciTransfer;
TmpTransfer->NextTD = TD;
- LastTD->NextHcdTD = (ULONG)TD;
+ LastTD->NextHcdTD = TD;
LastTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
}
@@ -1991,7 +1991,7 @@ OHCI_PollAsyncEndpoint(IN POHCI_EXTENSION OhciExtension,
IsResetOnHalt = (ED->Flags & OHCI_HCD_ED_FLAG_RESET_ON_HALT) != 0;
DPRINT1("PollAsyncEndpoint: IsResetOnHalt %x\n", IsResetOnHalt);
- for (TD = OhciEndpoint->HcdHeadP; ; TD = (POHCI_HCD_TD)TD->NextHcdTD)
+ for (TD = OhciEndpoint->HcdHeadP; ; TD = TD->NextHcdTD)
{
if (!TD)
{
@@ -2005,7 +2005,7 @@ OHCI_PollAsyncEndpoint(IN POHCI_EXTENSION OhciExtension,
goto HandleDoneList;
}
- OhciTransfer = (POHCI_TRANSFER)TD->OhciTransfer;
+ OhciTransfer = TD->OhciTransfer;
ConditionCode = TD->HwTD.gTD.Control.ConditionCode;
DPRINT("TD - %p, ConditionCode - %X\n", TD, ConditionCode);
@@ -2056,7 +2056,7 @@ OHCI_PollAsyncEndpoint(IN POHCI_EXTENSION OhciExtension,
do
{
- transfer =
(POHCI_TRANSFER)transfer->NextTD->OhciTransfer;
+ transfer = transfer->NextTD->OhciTransfer;
NextTD = transfer->NextTD;
}
while (transfer && TransferNumber ==
@@ -2111,7 +2111,7 @@ ProcessListTDs:
OHCI_DumpHcdTD(TD);
TD->Flags |= OHCI_HCD_TD_FLAG_DONE;
InsertTailList(&OhciEndpoint->TDList, &TD->DoneLink);
- TD = (POHCI_HCD_TD)TD->NextHcdTD;
+ TD = TD->NextHcdTD;
}
HandleDoneList:
diff --git a/drivers/usb/usbohci_new/usbohci.h b/drivers/usb/usbohci_new/usbohci.h
index 8bf703e6a5..fffcb18b61 100644
--- a/drivers/usb/usbohci_new/usbohci.h
+++ b/drivers/usb/usbohci_new/usbohci.h
@@ -58,8 +58,8 @@ typedef struct _OHCI_HCD_TD {
/* Software part */
ULONG PhysicalAddress;
ULONG Flags;
- ULONG OhciTransfer;
- ULONG NextHcdTD;
+ POHCI_TRANSFER OhciTransfer;
+ struct _OHCI_HCD_TD *NextHcdTD;
ULONG TransferLen;
LIST_ENTRY DoneLink;
ULONG Pad[1];
@@ -144,7 +144,7 @@ typedef struct _OHCI_EXTENSION {
ULONG FrameHighPart;
ULONG HcdFmNumber;
POHCI_HC_RESOURCES HcResourcesVA;
- POHCI_HC_RESOURCES HcResourcesPA;
+ ULONG HcResourcesPA;
OHCI_STATIC_ED IntStaticED[63];
OHCI_STATIC_ED ControlStaticED;
OHCI_STATIC_ED BulkStaticED;
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Thomas Faber