diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/EhciPei/UsbHcMem.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/EhciPei/UsbHcMem.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/MdeModulePkg/Bus/Pci/EhciPei/UsbHcMem.c b/MdeModulePkg/Bus/Pci/EhciPei/UsbHcMem.c index a0419bd..3cc31f5 100644 --- a/MdeModulePkg/Bus/Pci/EhciPei/UsbHcMem.c +++ b/MdeModulePkg/Bus/Pci/EhciPei/UsbHcMem.c @@ -2,8 +2,8 @@ PEIM to produce gPeiUsb2HostControllerPpiGuid based on gPeiUsbControllerPpiGuid
which is used to enable recovery function from USB Drivers.
-Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
-
+Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+
This program and the accompanying materials
are licensed and made available under the terms and conditions
of the BSD License which accompanies this distribution. The
@@ -54,28 +54,28 @@ UsbHcAllocMemBlock ( return NULL;
}
ZeroMem ((VOID *)(UINTN)TempPtr, PageNumber*EFI_PAGE_SIZE);
-
+
//
// each bit in the bit array represents USBHC_MEM_UNIT
// bytes of memory in the memory block.
//
ASSERT (USBHC_MEM_UNIT * 8 <= EFI_PAGE_SIZE);
-
+
Block = (USBHC_MEM_BLOCK*)(UINTN)TempPtr;
Block->BufLen = EFI_PAGES_TO_SIZE (Pages);
Block->BitsLen = Block->BufLen / (USBHC_MEM_UNIT * 8);
-
+
PageNumber = (Block->BitsLen)/PAGESIZE +1;
Status = PeiServicesAllocatePages (
EfiBootServicesCode,
PageNumber,
&TempPtr
);
-
+
if (EFI_ERROR (Status)) {
return NULL;
}
- ZeroMem ((VOID *)(UINTN)TempPtr, PageNumber*EFI_PAGE_SIZE);
+ ZeroMem ((VOID *)(UINTN)TempPtr, PageNumber*EFI_PAGE_SIZE);
Block->Bits = (UINT8 *)(UINTN)TempPtr;
@@ -184,7 +184,7 @@ UsbHcAllocMemFromBlock ( if (Available < Units) {
return NULL;
}
-
+
//
// Mark the memory as allocated
//
@@ -283,7 +283,7 @@ UsbHcIsMemBlockEmpty ( {
UINTN Index;
-
+
for (Index = 0; Index < Block->BitsLen; Index++) {
if (Block->Bits[Index] != 0) {
return FALSE;
@@ -321,7 +321,7 @@ UsbHcUnlinkMemBlock ( /**
Initialize the memory management pool for the host controller.
-
+
@param Ehc The EHCI device.
@param Check4G Whether the host controller requires allocated memory.
from one 4G address space.
@@ -342,7 +342,7 @@ UsbHcInitMemPool ( UINTN PageNumber;
EFI_STATUS Status;
EFI_PHYSICAL_ADDRESS TempPtr;
-
+
PageNumber = sizeof(USBHC_MEM_POOL)/PAGESIZE +1;
Status = PeiServicesAllocatePages (
EfiBootServicesCode,
@@ -353,9 +353,9 @@ UsbHcInitMemPool ( if (EFI_ERROR (Status)) {
return NULL;
}
- ZeroMem ((VOID *)(UINTN)TempPtr, PageNumber*EFI_PAGE_SIZE);
+ ZeroMem ((VOID *)(UINTN)TempPtr, PageNumber*EFI_PAGE_SIZE);
- Pool = (USBHC_MEM_POOL *) ((UINTN) TempPtr);
+ Pool = (USBHC_MEM_POOL *) ((UINTN) TempPtr);
Pool->Check4G = Check4G;
Pool->Which4G = Which4G;
@@ -405,7 +405,7 @@ UsbHcFreeMemPool ( /**
Allocate some memory from the host controller's memory pool
which can be used to communicate with host controller.
-
+
@param Ehc The EHCI device.
@param Pool The host controller's memory pool.
@param Size Size of the memory to allocate.
@@ -464,7 +464,7 @@ UsbHcAllocateMem ( if (NewBlock == NULL) {
return NULL;
}
-
+
//
// Add the new memory block to the pool, then allocate memory from it
//
|