Adding support for BeagleBoard.
ArmPkg - Supoprt for ARM specific things that can change as the architecture changes. Plus semihosting JTAG drivers. EmbeddedPkg - Generic support for an embeddded platform. Including a light weight command line shell. BeagleBoardPkg - Platform specifics for BeagleBoard. SD Card works, but USB has issues. Looks like a bug in the open source USB stack (Our internal stack works fine). git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9518 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
AJFISH
@ -0,0 +1,626 @@
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/** @file
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Copyright (c) 2008-2009, Apple Inc. All rights reserved.
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UncachedMemoryAllocationLib.h>
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#include <Library/PcdLib.h>
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#include <Library/ArmLib.h>
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#include <Protocol/Cpu.h>
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EFI_PHYSICAL_ADDRESS
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ConvertToPhysicalAddress (
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IN VOID *VirtualAddress
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)
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{
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UINTN UncachedMemoryMask = (UINTN)PcdGet64(PcdArmUncachedMemoryMask);
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UINTN PhysicalAddress;
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PhysicalAddress = (UINTN)VirtualAddress & ~UncachedMemoryMask;
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return (EFI_PHYSICAL_ADDRESS)PhysicalAddress;
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}
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VOID *
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ConvertToCachedAddress (
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IN VOID *Address
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)
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{
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return (VOID *)(UINTN)ConvertToPhysicalAddress(Address);
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}
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VOID *
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ConvertToUncachedAddress (
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IN VOID *Address
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)
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{
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UINTN UncachedMemoryMask = (UINTN)PcdGet64(PcdArmUncachedMemoryMask);
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UINTN UncachedAddress;
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UncachedAddress = (UINTN)Address | UncachedMemoryMask;
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return (VOID *)UncachedAddress;
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}
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VOID
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FlushCache (
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IN EFI_PHYSICAL_ADDRESS Address,
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IN UINTN Size
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)
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{
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EFI_CPU_ARCH_PROTOCOL *Cpu;
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EFI_STATUS Status;
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Status = gBS->LocateProtocol(&gEfiCpuArchProtocolGuid, NULL, (VOID **)&Cpu);
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ASSERT_EFI_ERROR(Status);
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Status = Cpu->FlushDataCache(Cpu, Address, Size, EfiCpuFlushTypeWriteBackInvalidate);
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ASSERT_EFI_ERROR(Status);
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}
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VOID *
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UncachedInternalAllocatePages (
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IN EFI_MEMORY_TYPE MemoryType,
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IN UINTN Pages
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)
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{
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EFI_STATUS Status;
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EFI_PHYSICAL_ADDRESS Memory;
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if (Pages == 0) {
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return NULL;
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}
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Status = gBS->AllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);
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if (EFI_ERROR (Status)) {
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Memory = 0;
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}
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if (Memory != 0) {
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FlushCache(Memory, EFI_PAGES_TO_SIZE(Pages));
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Memory = (EFI_PHYSICAL_ADDRESS)(UINTN)ConvertToUncachedAddress((VOID *)(UINTN)Memory);
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}
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return (VOID *) (UINTN) Memory;
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}
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VOID *
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EFIAPI
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UncachedAllocatePages (
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IN UINTN Pages
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)
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{
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return UncachedInternalAllocatePages (EfiBootServicesData, Pages);
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}
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VOID *
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EFIAPI
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UncachedAllocateRuntimePages (
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IN UINTN Pages
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)
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{
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return UncachedInternalAllocatePages (EfiRuntimeServicesData, Pages);
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}
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VOID *
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EFIAPI
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UncachedAllocateReservedPages (
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IN UINTN Pages
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)
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{
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return UncachedInternalAllocatePages (EfiReservedMemoryType, Pages);
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}
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VOID
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EFIAPI
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UncachedFreePages (
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IN VOID *Buffer,
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IN UINTN Pages
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)
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{
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EFI_STATUS Status;
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ASSERT (Pages != 0);
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Buffer = ConvertToCachedAddress(Buffer);
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Status = gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);
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ASSERT_EFI_ERROR (Status);
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}
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VOID *
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UncachedInternalAllocateAlignedPages (
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IN EFI_MEMORY_TYPE MemoryType,
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IN UINTN Pages,
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IN UINTN Alignment
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)
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{
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EFI_STATUS Status;
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EFI_PHYSICAL_ADDRESS Memory;
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UINTN AlignedMemory;
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UINTN AlignmentMask;
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UINTN UnalignedPages;
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UINTN RealPages;
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//
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// Alignment must be a power of two or zero.
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//
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ASSERT ((Alignment & (Alignment - 1)) == 0);
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if (Pages == 0) {
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return NULL;
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}
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if (Alignment > EFI_PAGE_SIZE) {
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//
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// Caculate the total number of pages since alignment is larger than page size.
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//
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AlignmentMask = Alignment - 1;
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RealPages = Pages + EFI_SIZE_TO_PAGES (Alignment);
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//
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// Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not overflow.
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//
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ASSERT (RealPages > Pages);
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Status = gBS->AllocatePages (AllocateAnyPages, MemoryType, RealPages, &Memory);
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if (EFI_ERROR (Status)) {
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return NULL;
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}
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AlignedMemory = ((UINTN) Memory + AlignmentMask) & ~AlignmentMask;
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UnalignedPages = EFI_SIZE_TO_PAGES (AlignedMemory - (UINTN) Memory);
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if (UnalignedPages > 0) {
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//
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// Free first unaligned page(s).
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//
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Status = gBS->FreePages (Memory, UnalignedPages);
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ASSERT_EFI_ERROR (Status);
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}
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Memory = (EFI_PHYSICAL_ADDRESS) (AlignedMemory + EFI_PAGES_TO_SIZE (Pages));
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UnalignedPages = RealPages - Pages - UnalignedPages;
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if (UnalignedPages > 0) {
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//
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// Free last unaligned page(s).
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//
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Status = gBS->FreePages (Memory, UnalignedPages);
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ASSERT_EFI_ERROR (Status);
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}
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} else {
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//
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// Do not over-allocate pages in this case.
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//
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Status = gBS->AllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);
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if (EFI_ERROR (Status)) {
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return NULL;
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}
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AlignedMemory = (UINTN) Memory;
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}
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if (AlignedMemory != 0) {
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FlushCache(AlignedMemory, EFI_PAGES_TO_SIZE(Pages));
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AlignedMemory = (UINTN)ConvertToUncachedAddress((VOID *)AlignedMemory);
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}
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return (VOID *) AlignedMemory;
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}
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VOID *
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EFIAPI
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UncachedAllocateAlignedPages (
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IN UINTN Pages,
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IN UINTN Alignment
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)
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{
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return UncachedInternalAllocateAlignedPages (EfiBootServicesData, Pages, Alignment);
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}
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VOID *
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EFIAPI
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UncachedAllocateAlignedRuntimePages (
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IN UINTN Pages,
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IN UINTN Alignment
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||||
)
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{
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return UncachedInternalAllocateAlignedPages (EfiRuntimeServicesData, Pages, Alignment);
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}
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||||
VOID *
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EFIAPI
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||||
UncachedAllocateAlignedReservedPages (
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IN UINTN Pages,
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IN UINTN Alignment
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)
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{
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return UncachedInternalAllocateAlignedPages (EfiReservedMemoryType, Pages, Alignment);
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}
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VOID
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EFIAPI
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UncachedFreeAlignedPages (
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IN VOID *Buffer,
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IN UINTN Pages
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)
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{
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EFI_STATUS Status;
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ASSERT (Pages != 0);
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Buffer = ConvertToCachedAddress(Buffer);
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Status = gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);
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ASSERT_EFI_ERROR (Status);
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}
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VOID *
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UncachedInternalAllocateAlignedPool (
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IN EFI_MEMORY_TYPE PoolType,
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IN UINTN AllocationSize,
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IN UINTN Alignment
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||||
)
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{
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||||
VOID *RawAddress;
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||||
UINTN AlignedAddress;
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||||
UINTN AlignmentMask;
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UINTN OverAllocationSize;
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UINTN RealAllocationSize;
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||||
VOID **FreePointer;
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||||
UINTN DataCacheLineLength;
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EFI_STATUS Status;
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||||
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||||
//
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// Alignment must be a power of two or zero.
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//
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ASSERT ((Alignment & (Alignment - 1)) == 0);
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DataCacheLineLength = ArmDataCacheLineLength();
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// Alignment must be at least cache-line aligned
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if (Alignment < DataCacheLineLength) {
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||||
Alignment = DataCacheLineLength;
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||||
}
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||||
|
||||
if (Alignment == 0) {
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||||
AlignmentMask = Alignment;
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||||
} else {
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AlignmentMask = Alignment - 1;
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||||
}
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||||
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||||
//
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||||
// Calculate the extra memory size, over-allocate memory pool and get the aligned memory address.
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//
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OverAllocationSize = sizeof (RawAddress) + AlignmentMask;
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RealAllocationSize = AllocationSize + OverAllocationSize;
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//
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// Make sure that AllocationSize plus OverAllocationSize does not overflow.
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//
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||||
ASSERT (RealAllocationSize > AllocationSize);
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||||
Status = gBS->AllocatePool (PoolType, RealAllocationSize, &RawAddress);
|
||||
if (EFI_ERROR (Status)) {
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return NULL;
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}
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||||
AlignedAddress = ((UINTN) RawAddress + OverAllocationSize) & ~AlignmentMask;
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||||
//
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// Save the original memory address just before the aligned address.
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//
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FreePointer = (VOID **)(AlignedAddress - sizeof (RawAddress));
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*FreePointer = RawAddress;
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if (AlignedAddress != 0) {
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FlushCache(AlignedAddress, AllocationSize);
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AlignedAddress = (UINTN)ConvertToUncachedAddress((VOID *)AlignedAddress);
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||||
}
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return (VOID *) AlignedAddress;
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}
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VOID *
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||||
EFIAPI
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UncachedAllocateAlignedPool (
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||||
IN UINTN AllocationSize,
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IN UINTN Alignment
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||||
)
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||||
{
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return UncachedInternalAllocateAlignedPool (EfiBootServicesData, AllocationSize, Alignment);
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||||
}
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||||
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VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedRuntimePool (
|
||||
IN UINTN AllocationSize,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedPool (EfiRuntimeServicesData, AllocationSize, Alignment);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedReservedPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedPool (EfiReservedMemoryType, AllocationSize, Alignment);
|
||||
}
|
||||
|
||||
VOID *
|
||||
UncachedInternalAllocateAlignedZeroPool (
|
||||
IN EFI_MEMORY_TYPE PoolType,
|
||||
IN UINTN AllocationSize,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
VOID *Memory;
|
||||
Memory = UncachedInternalAllocateAlignedPool (PoolType, AllocationSize, Alignment);
|
||||
if (Memory != NULL) {
|
||||
Memory = ZeroMem (Memory, AllocationSize);
|
||||
}
|
||||
return Memory;
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedZeroPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedZeroPool (EfiBootServicesData, AllocationSize, Alignment);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedRuntimeZeroPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedZeroPool (EfiRuntimeServicesData, AllocationSize, Alignment);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedReservedZeroPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedZeroPool (EfiReservedMemoryType, AllocationSize, Alignment);
|
||||
}
|
||||
|
||||
VOID *
|
||||
UncachedInternalAllocateAlignedCopyPool (
|
||||
IN EFI_MEMORY_TYPE PoolType,
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
VOID *Memory;
|
||||
|
||||
ASSERT (Buffer != NULL);
|
||||
ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));
|
||||
|
||||
Memory = UncachedInternalAllocateAlignedPool (PoolType, AllocationSize, Alignment);
|
||||
if (Memory != NULL) {
|
||||
Memory = CopyMem (Memory, Buffer, AllocationSize);
|
||||
}
|
||||
return Memory;
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedCopyPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedCopyPool (EfiBootServicesData, AllocationSize, Buffer, Alignment);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedRuntimeCopyPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer, Alignment);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateAlignedReservedCopyPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer,
|
||||
IN UINTN Alignment
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateAlignedCopyPool (EfiReservedMemoryType, AllocationSize, Buffer, Alignment);
|
||||
}
|
||||
|
||||
VOID
|
||||
EFIAPI
|
||||
UncachedFreeAlignedPool (
|
||||
IN VOID *Buffer
|
||||
)
|
||||
{
|
||||
VOID *RawAddress;
|
||||
VOID **FreePointer;
|
||||
EFI_STATUS Status;
|
||||
|
||||
Buffer = ConvertToCachedAddress(Buffer);
|
||||
|
||||
//
|
||||
// Get the pre-saved original address in the over-allocate pool.
|
||||
//
|
||||
FreePointer = (VOID **)((UINTN) Buffer - sizeof (RawAddress));
|
||||
RawAddress = *FreePointer;
|
||||
|
||||
Status = gBS->FreePool (RawAddress);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
}
|
||||
|
||||
VOID *
|
||||
UncachedInternalAllocatePool (
|
||||
IN EFI_MEMORY_TYPE MemoryType,
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
UINTN CacheLineLength = ArmDataCacheLineLength();
|
||||
return UncachedInternalAllocateAlignedPool(MemoryType, AllocationSize, CacheLineLength);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocatePool (
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocatePool (EfiBootServicesData, AllocationSize);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateRuntimePool (
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocatePool (EfiRuntimeServicesData, AllocationSize);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateReservedPool (
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocatePool (EfiReservedMemoryType, AllocationSize);
|
||||
}
|
||||
|
||||
VOID *
|
||||
UncachedInternalAllocateZeroPool (
|
||||
IN EFI_MEMORY_TYPE PoolType,
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
VOID *Memory;
|
||||
|
||||
Memory = UncachedInternalAllocatePool (PoolType, AllocationSize);
|
||||
if (Memory != NULL) {
|
||||
Memory = ZeroMem (Memory, AllocationSize);
|
||||
}
|
||||
return Memory;
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateZeroPool (
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateZeroPool (EfiBootServicesData, AllocationSize);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateRuntimeZeroPool (
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateZeroPool (EfiRuntimeServicesData, AllocationSize);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateReservedZeroPool (
|
||||
IN UINTN AllocationSize
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateZeroPool (EfiReservedMemoryType, AllocationSize);
|
||||
}
|
||||
|
||||
VOID *
|
||||
UncachedInternalAllocateCopyPool (
|
||||
IN EFI_MEMORY_TYPE PoolType,
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer
|
||||
)
|
||||
{
|
||||
VOID *Memory;
|
||||
|
||||
ASSERT (Buffer != NULL);
|
||||
ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));
|
||||
|
||||
Memory = UncachedInternalAllocatePool (PoolType, AllocationSize);
|
||||
if (Memory != NULL) {
|
||||
Memory = CopyMem (Memory, Buffer, AllocationSize);
|
||||
}
|
||||
return Memory;
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateCopyPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateCopyPool (EfiBootServicesData, AllocationSize, Buffer);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateRuntimeCopyPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer);
|
||||
}
|
||||
|
||||
VOID *
|
||||
EFIAPI
|
||||
UncachedAllocateReservedCopyPool (
|
||||
IN UINTN AllocationSize,
|
||||
IN CONST VOID *Buffer
|
||||
)
|
||||
{
|
||||
return UncachedInternalAllocateCopyPool (EfiReservedMemoryType, AllocationSize, Buffer);
|
||||
}
|
||||
|
||||
VOID
|
||||
EFIAPI
|
||||
UncachedFreePool (
|
||||
IN VOID *Buffer
|
||||
)
|
||||
{
|
||||
UncachedFreeAlignedPool(Buffer);
|
||||
}
|
||||
|
||||
VOID
|
||||
EFIAPI
|
||||
UncachedSafeFreePool (
|
||||
IN VOID *Buffer
|
||||
)
|
||||
{
|
||||
if (Buffer != NULL) {
|
||||
UncachedFreePool (Buffer);
|
||||
Buffer = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user