Same comment as previous 2. Maybe to separate ARM specific function from generic function.
Thank you > -----Original Message----- > From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Achin > Gupta > Sent: Wednesday, April 25, 2018 7:34 AM > To: Supreeth Venkatesh <supreeth.venkat...@arm.com> > Cc: ard.biesheu...@linaro.org; edk2-devel@lists.01.org; > leif.lindh...@linaro.org; Yao, Jiewen <jiewen....@intel.com>; Gao, Liming > <liming....@intel.com>; Kinney, Michael D <michael.d.kin...@intel.com>; > n...@arm.com > Subject: Re: [edk2] [PATCH v1 09/18] StandaloneMmPkg/MemoryAllocationLib: > Add MM memory allocation library. > > Hi Supreeth, > > On Fri, Apr 06, 2018 at 03:42:14PM +0100, Supreeth Venkatesh wrote: > > This patch implements management mode memory allocation services.The > > implementation borrows the MM Core Memory Allocation services as the > > primitive for memory allocation instead of using MM System Table > > services. > > The commit message did not really register with me. Once the MMRAM ranges > have > been conveyed to the MMST memory allocation services (through > MemoryAllocationLibConstructor()), all functions in MemoryAllocationLib.c use > the MMST services. The message seems to indicate otherwise. > > On Arm, the gEfiMmPeiMmramMemoryReserveGuid HOB is used to convey the > MMRAM > ranges. It seems x86 uses gMmCoreDataHobGuid HOB. So it worth getting this > reviewed by Jiewen. > > The copyright years in the files need to be updated. > > With that in mind.. > > Acked-by: Achin Gupta <achin.gu...@arm.com> > > > > > Contributed-under: TianoCore Contribution Agreement 1.1 > > Signed-off-by: Achin Gupta <achin.gu...@arm.com> > > Signed-off-by: Supreeth Venkatesh <supreeth.venkat...@arm.com> > > --- > > StandaloneMmPkg/Include/Guid/MmCoreData.h | 132 +++ > > StandaloneMmPkg/Include/Guid/MmramMemoryReserve.h | 62 ++ > > .../MemoryAllocationLib/MemoryAllocationLib.c | 907 > +++++++++++++++++++++ > > .../MemoryAllocationLib/MemoryAllocationLib.inf | 49 ++ > > .../MemoryAllocationLib/MemoryAllocationServices.h | 38 + > > 5 files changed, 1188 insertions(+) > > create mode 100644 StandaloneMmPkg/Include/Guid/MmCoreData.h > > create mode 100644 > StandaloneMmPkg/Include/Guid/MmramMemoryReserve.h > > create mode 100644 > StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.c > > create mode 100644 > StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.inf > > create mode 100644 > StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationServices.h > > > > diff --git a/StandaloneMmPkg/Include/Guid/MmCoreData.h > b/StandaloneMmPkg/Include/Guid/MmCoreData.h > > new file mode 100644 > > index 0000000000..c0ac772014 > > --- /dev/null > > +++ b/StandaloneMmPkg/Include/Guid/MmCoreData.h > > @@ -0,0 +1,132 @@ > > +/** @file > > + MM Core data. > > + > > +Copyright (c) 2015, 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 that accompanies this > distribution. > > +The full text of the license may be found at > > +http://opensource.org/licenses/bsd-license.php. > > + > > +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" > BASIS, > > +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER > EXPRESS OR IMPLIED. > > + > > +**/ > > + > > +#ifndef __MM_CORE_DATA_H__ > > +#define __MM_CORE_DATA_H__ > > + > > +#define MM_CORE_DATA_HOB_GUID \ > > + { 0xa160bf99, 0x2aa4, 0x4d7d, { 0x99, 0x93, 0x89, 0x9c, 0xb1, 0x2d, 0xf3, > 0x76 }} > > + > > +extern EFI_GUID gMmCoreDataHobGuid; > > + > > +typedef struct { > > + // > > + // Address pointer to MM_CORE_PRIVATE_DATA > > + // > > + EFI_PHYSICAL_ADDRESS Address; > > +} MM_CORE_DATA_HOB_DATA; > > + > > + > > +/// > > +/// Define values for the communications buffer used when > gEfiEventDxeDispatchGuid is > > +/// event signaled. This event is signaled by the DXE Core each time the > > DXE > Core > > +/// dispatcher has completed its work. When this event is signaled, the MM > Core > > +/// if notified, so the MM Core can dispatch MM drivers. If > COMM_BUFFER_MM_DISPATCH_ERROR > > +/// is returned in the communication buffer, then an error occurred > dispatching MM > > +/// Drivers. If COMM_BUFFER_MM_DISPATCH_SUCCESS is returned, then > the MM Core > > +/// dispatched all the drivers it could. If > COMM_BUFFER_MM_DISPATCH_RESTART is > > +/// returned, then the MM Core just dispatched the MM Driver that > registered > > +/// the MM Entry Point enabling the use of MM Mode. In this case, the MM > Core > > +/// should be notified again to dispatch more MM Drivers using MM Mode. > > +/// > > +#define COMM_BUFFER_MM_DISPATCH_ERROR 0x00 > > +#define COMM_BUFFER_MM_DISPATCH_SUCCESS 0x01 > > +#define COMM_BUFFER_MM_DISPATCH_RESTART 0x02 > > + > > +/// > > +/// Signature for the private structure shared between the MM IPL and the > MM Core > > +/// > > +#define MM_CORE_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('m', 'm', 'i', > 'c') > > + > > +/// > > +/// Private structure that is used to share information between the MM IPL > and > > +/// the MM Core. This structure is allocated from memory of type > EfiRuntimeServicesData. > > +/// Since runtime memory types are converted to available memory when a > legacy boot > > +/// is performed, the MM Core must not access any fields of this structure > > if a > legacy > > +/// boot is performed. As a result, the MM IPL must create an event > notification > > +/// for the Legacy Boot event and notify the MM Core that a legacy boot is > being > > +/// performed. The MM Core can then use this information to filter > > accesses > to > > +/// thos structure. > > +/// > > +typedef struct { > > + UINT64 Signature; > > + > > + /// > > + /// The number of MMRAM ranges passed from the MM IPL to the MM > Core. The MM > > + /// Core uses these ranges of MMRAM to initialize the MM Core memory > manager. > > + /// > > + UINT64 MmramRangeCount; > > + > > + /// > > + /// A table of MMRAM ranges passed from the MM IPL to the MM Core. > The MM > > + /// Core uses these ranges of MMRAM to initialize the MM Core memory > manager. > > + /// > > + EFI_PHYSICAL_ADDRESS MmramRanges; > > + > > + /// > > + /// The MM Foundation Entry Point. The MM Core fills in this field when > the > > + /// MM Core is initialized. The MM IPL is responsbile for registering > > this > entry > > + /// point with the MM Configuration Protocol. The MM Configuration > Protocol may > > + /// not be available at the time the MM IPL and MM Core are started, so > > the > MM IPL > > + /// sets up a protocol notification on the MM Configuration Protocol and > registers > > + /// the MM Foundation Entry Point as soon as the MM Configuration > Protocol is > > + /// available. > > + /// > > + EFI_PHYSICAL_ADDRESS MmEntryPoint; > > + > > + /// > > + /// Boolean flag set to TRUE while an MMI is being processed by the MM > Core. > > + /// > > + BOOLEAN MmEntryPointRegistered; > > + > > + /// > > + /// Boolean flag set to TRUE while an MMI is being processed by the MM > Core. > > + /// > > + BOOLEAN InMm; > > + > > + /// > > + /// This field is set by the MM Core then the MM Core is initialized. > > This > field is > > + /// used by the MM Base 2 Protocol and MM Communication Protocol > implementations in > > + /// the MM IPL. > > + /// > > + EFI_PHYSICAL_ADDRESS Mmst; > > + > > + /// > > + /// This field is used by the MM Communicatioon Protocol to pass a buffer > into > > + /// a software MMI handler and for the software MMI handler to pass a > buffer back to > > + /// the caller of the MM Communication Protocol. > > + /// > > + EFI_PHYSICAL_ADDRESS CommunicationBuffer; > > + > > + /// > > + /// This field is used by the MM Communicatioon Protocol to pass the size > of a buffer, > > + /// in bytes, into a software MMI handler and for the software MMI > handler to pass the > > + /// size, in bytes, of a buffer back to the caller of the MM > > Communication > Protocol. > > + /// > > + UINT64 BufferSize; > > + > > + /// > > + /// This field is used by the MM Communication Protocol to pass the > > return > status from > > + /// a software MMI handler back to the caller of the MM Communication > Protocol. > > + /// > > + UINT64 ReturnStatus; > > + > > + EFI_PHYSICAL_ADDRESS MmCoreImageBase; > > + UINT64 MmCoreImageSize; > > + EFI_PHYSICAL_ADDRESS MmCoreEntryPoint; > > + > > + EFI_PHYSICAL_ADDRESS StandaloneBfvAddress; > > +} MM_CORE_PRIVATE_DATA; > > + > > +#endif > > diff --git a/StandaloneMmPkg/Include/Guid/MmramMemoryReserve.h > b/StandaloneMmPkg/Include/Guid/MmramMemoryReserve.h > > new file mode 100644 > > index 0000000000..c4104b755d > > --- /dev/null > > +++ b/StandaloneMmPkg/Include/Guid/MmramMemoryReserve.h > > @@ -0,0 +1,62 @@ > > +/** @file > > + Definition of GUIDed HOB for reserving MMRAM regions. > > + > > + This file defines: > > + * the GUID used to identify the GUID HOB for reserving MMRAM regions. > > + * the data structure of MMRAM descriptor to describe MMRAM candidate > regions > > + * values of state of MMRAM candidate regions > > + * the GUID specific data structure of HOB for reserving MMRAM regions. > > + This GUIDed HOB can be used to convey the existence of the T-SEG > reservation and H-SEG usage > > + > > +Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR> > > +Copyright (c) 2016 - 2017, ARM Limited. All rights reserved.<BR> > > + > > +This program and the accompanying materials are licensed and made > available under > > +the terms and conditions of the BSD License that accompanies this > distribution. > > +The full text of the license may be found at > > +http://opensource.org/licenses/bsd-license.php. > > + > > +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" > BASIS, > > +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER > EXPRESS OR IMPLIED. > > + > > + @par Revision Reference: > > + GUIDs defined in MmCis spec version 0.9. > > + > > +**/ > > + > > +#ifndef _EFI_MM_PEI_MMRAM_MEMORY_RESERVE_H_ > > +#define _EFI_MM_PEI_MMRAM_MEMORY_RESERVE_H_ > > + > > +#define EFI_MM_PEI_MMRAM_MEMORY_RESERVE \ > > + { \ > > + 0x0703f912, 0xbf8d, 0x4e2a, {0xbe, 0x07, 0xab, 0x27, 0x25, 0x25, 0xc5, > 0x92 } \ > > + } > > + > > +/** > > +* GUID specific data structure of HOB for reserving MMRAM regions. > > +* > > +* Inconsistent with specification here: > > +* EFI_HOB_MMRAM_DESCRIPTOR_BLOCK has been changed to > EFI_MMRAM_HOB_DESCRIPTOR_BLOCK. > > +* This inconsistency is kept in code in order for backward compatibility. > > +**/ > > +typedef struct { > > + /// > > + /// Designates the number of possible regions in the system > > + /// that can be usable for MMRAM. > > + /// > > + /// Inconsistent with specification here: > > + /// In Framework MM CIS 0.91 specification, it defines the field type as > UINTN. > > + /// However, HOBs are supposed to be CPU neutral, so UINT32 should be > used instead. > > + /// > > + UINT32 NumberOfMmReservedRegions; > > + /// > > + /// Used throughout this protocol to describe the candidate > > + /// regions for MMRAM that are supported by this platform. > > + /// > > + EFI_MMRAM_DESCRIPTOR Descriptor[1]; > > +} EFI_MMRAM_HOB_DESCRIPTOR_BLOCK; > > + > > +extern EFI_GUID gEfiMmPeiSmramMemoryReserveGuid; > > + > > +#endif > > + > > diff --git > a/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.c > b/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.c > > new file mode 100644 > > index 0000000000..c177a8f538 > > --- /dev/null > > +++ > b/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.c > > @@ -0,0 +1,907 @@ > > +/** @file > > + Support routines for memory allocation routines based on Standalone MM > Core internal functions. > > + > > + Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> > > + Copyright (c) 2016 - 2017, ARM Limited. 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 full text of the license may be > found at > > + http://opensource.org/licenses/bsd-license.php > > + > > + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" > BASIS, > > + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER > EXPRESS OR IMPLIED. > > + > > +**/ > > + > > +#include <PiMm.h> > > + > > +#include <Guid/MmramMemoryReserve.h> > > +#include <Library/MemoryAllocationLib.h> > > +#include <Library/BaseMemoryLib.h> > > +#include <Library/DebugLib.h> > > +#include <Library/HobLib.h> > > +#include "MemoryAllocationServices.h" > > + > > +EFI_MM_SYSTEM_TABLE *gMmst = NULL; > > + > > +/** > > + Allocates one or more 4KB pages of a certain memory type. > > + > > + Allocates the number of 4KB pages of a certain memory type and returns a > pointer to the allocated > > + buffer. The buffer returned is aligned on a 4KB boundary. If Pages is > > 0, > then NULL is returned. > > + If there is not enough memory remaining to satisfy the request, then NULL > is returned. > > + > > + @param MemoryType The type of memory to allocate. > > + @param Pages The number of 4 KB pages to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +InternalAllocatePages ( > > + IN EFI_MEMORY_TYPE MemoryType, > > + IN UINTN Pages > > + ) > > +{ > > + EFI_STATUS Status; > > + EFI_PHYSICAL_ADDRESS Memory; > > + > > + if (Pages == 0) { > > + return NULL; > > + } > > + > > + Status = gMmst->MmAllocatePages (AllocateAnyPages, MemoryType, > Pages, &Memory); > > + if (EFI_ERROR (Status)) { > > + return NULL; > > + } > > + return (VOID *) (UINTN) Memory; > > +} > > + > > +/** > > + Allocates one or more 4KB pages of type EfiBootServicesData. > > + > > + Allocates the number of 4KB pages of type EfiBootServicesData and returns > a pointer to the > > + allocated buffer. The buffer returned is aligned on a 4KB boundary. If > Pages is 0, then NULL > > + is returned. If there is not enough memory remaining to satisfy the > request, then NULL is > > + returned. > > + > > + @param Pages The number of 4 KB pages to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocatePages ( > > + IN UINTN Pages > > + ) > > +{ > > + return InternalAllocatePages (EfiRuntimeServicesData, Pages); > > +} > > + > > +/** > > + Allocates one or more 4KB pages of type EfiRuntimeServicesData. > > + > > + Allocates the number of 4KB pages of type EfiRuntimeServicesData and > returns a pointer to the > > + allocated buffer. The buffer returned is aligned on a 4KB boundary. If > Pages is 0, then NULL > > + is returned. If there is not enough memory remaining to satisfy the > request, then NULL is > > + returned. > > + > > + @param Pages The number of 4 KB pages to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateRuntimePages ( > > + IN UINTN Pages > > + ) > > +{ > > + return InternalAllocatePages (EfiRuntimeServicesData, Pages); > > +} > > + > > +/** > > + Allocates one or more 4KB pages of type EfiReservedMemoryType. > > + > > + Allocates the number of 4KB pages of type EfiReservedMemoryType and > returns a pointer to the > > + allocated buffer. The buffer returned is aligned on a 4KB boundary. If > Pages is 0, then NULL > > + is returned. If there is not enough memory remaining to satisfy the > request, then NULL is > > + returned. > > + > > + @param Pages The number of 4 KB pages to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateReservedPages ( > > + IN UINTN Pages > > + ) > > +{ > > + return NULL; > > +} > > + > > +/** > > + Frees one or more 4KB pages that were previously allocated with one of > the page allocation > > + functions in the Memory Allocation Library. > > + > > + Frees the number of 4KB pages specified by Pages from the buffer > > specified > by Buffer. Buffer > > + must have been allocated on a previous call to the page allocation > > services > of the Memory > > + Allocation Library. If it is not possible to free allocated pages, then > > this > function will > > + perform no actions. > > + > > + If Buffer was not allocated with a page allocation function in the Memory > Allocation Library, > > + then ASSERT(). > > + If Pages is zero, then ASSERT(). > > + > > + @param Buffer Pointer to the buffer of pages to free. > > + @param Pages The number of 4 KB pages to free. > > + > > +**/ > > +VOID > > +EFIAPI > > +FreePages ( > > + IN VOID *Buffer, > > + IN UINTN Pages > > + ) > > +{ > > + EFI_STATUS Status; > > + > > + ASSERT (Pages != 0); > > + Status = gMmst->MmFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, > Pages); > > + ASSERT_EFI_ERROR (Status); > > +} > > + > > +/** > > + Allocates one or more 4KB pages of a certain memory type at a specified > alignment. > > + > > + Allocates the number of 4KB pages specified by Pages of a certain memory > type with an alignment > > + specified by Alignment. The allocated buffer is returned. If Pages is > > 0, > then NULL is returned. > > + If there is not enough memory at the specified alignment remaining to > satisfy the request, then > > + NULL is returned. > > + If Alignment is not a power of two and Alignment is not zero, then > ASSERT(). > > + If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT(). > > + > > + @param MemoryType The type of memory to allocate. > > + @param Pages The number of 4 KB pages to allocate. > > + @param Alignment The requested alignment of the > allocation. Must be a power of two. > > + If Alignment is zero, then byte > alignment is used. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +InternalAllocateAlignedPages ( > > + IN EFI_MEMORY_TYPE MemoryType, > > + IN UINTN Pages, > > + IN UINTN Alignment > > + ) > > +{ > > + EFI_STATUS Status; > > + EFI_PHYSICAL_ADDRESS Memory; > > + UINTN AlignedMemory; > > + UINTN AlignmentMask; > > + UINTN UnalignedPages; > > + UINTN RealPages; > > + > > + // > > + // Alignment must be a power of two or zero. > > + // > > + ASSERT ((Alignment & (Alignment - 1)) == 0); > > + > > + if (Pages == 0) { > > + return NULL; > > + } > > + if (Alignment > EFI_PAGE_SIZE) { > > + // > > + // Calculate the total number of pages since alignment is larger than > > page > size. > > + // > > + AlignmentMask = Alignment - 1; > > + RealPages = Pages + EFI_SIZE_TO_PAGES (Alignment); > > + // > > + // Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not > overflow. > > + // > > + ASSERT (RealPages > Pages); > > + > > + Status = gMmst->MmAllocatePages (AllocateAnyPages, > MemoryType, RealPages, &Memory); > > + if (EFI_ERROR (Status)) { > > + return NULL; > > + } > > + AlignedMemory = ((UINTN) Memory + AlignmentMask) & > ~AlignmentMask; > > + UnalignedPages = EFI_SIZE_TO_PAGES (AlignedMemory - (UINTN) > Memory); > > + if (UnalignedPages > 0) { > > + // > > + // Free first unaligned page(s). > > + // > > + Status = gMmst->MmFreePages (Memory, UnalignedPages); > > + ASSERT_EFI_ERROR (Status); > > + } > > + Memory = (EFI_PHYSICAL_ADDRESS) (AlignedMemory + > EFI_PAGES_TO_SIZE (Pages)); > > + UnalignedPages = RealPages - Pages - UnalignedPages; > > + if (UnalignedPages > 0) { > > + // > > + // Free last unaligned page(s). > > + // > > + Status = gMmst->MmFreePages (Memory, UnalignedPages); > > + ASSERT_EFI_ERROR (Status); > > + } > > + } else { > > + // > > + // Do not over-allocate pages in this case. > > + // > > + Status = gMmst->MmAllocatePages (AllocateAnyPages, MemoryType, > Pages, &Memory); > > + if (EFI_ERROR (Status)) { > > + return NULL; > > + } > > + AlignedMemory = (UINTN) Memory; > > + } > > + return (VOID *) AlignedMemory; > > +} > > + > > +/** > > + Allocates one or more 4KB pages of type EfiBootServicesData at a > > specified > alignment. > > + > > + Allocates the number of 4KB pages specified by Pages of type > EfiBootServicesData with an > > + alignment specified by Alignment. The allocated buffer is returned. If > Pages is 0, then NULL is > > + returned. If there is not enough memory at the specified alignment > remaining to satisfy the > > + request, then NULL is returned. > > + > > + If Alignment is not a power of two and Alignment is not zero, then > ASSERT(). > > + If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT(). > > + > > + @param Pages The number of 4 KB pages to allocate. > > + @param Alignment The requested alignment of the > allocation. Must be a power of two. > > + If Alignment is zero, then byte > alignment is used. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateAlignedPages ( > > + IN UINTN Pages, > > + IN UINTN Alignment > > + ) > > +{ > > + return InternalAllocateAlignedPages (EfiRuntimeServicesData, Pages, > Alignment); > > +} > > + > > +/** > > + Allocates one or more 4KB pages of type EfiRuntimeServicesData at a > specified alignment. > > + > > + Allocates the number of 4KB pages specified by Pages of type > EfiRuntimeServicesData with an > > + alignment specified by Alignment. The allocated buffer is returned. If > Pages is 0, then NULL is > > + returned. If there is not enough memory at the specified alignment > remaining to satisfy the > > + request, then NULL is returned. > > + > > + If Alignment is not a power of two and Alignment is not zero, then > ASSERT(). > > + If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT(). > > + > > + @param Pages The number of 4 KB pages to allocate. > > + @param Alignment The requested alignment of the > allocation. Must be a power of two. > > + If Alignment is zero, then byte > alignment is used. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateAlignedRuntimePages ( > > + IN UINTN Pages, > > + IN UINTN Alignment > > + ) > > +{ > > + return InternalAllocateAlignedPages (EfiRuntimeServicesData, Pages, > Alignment); > > +} > > + > > +/** > > + Allocates one or more 4KB pages of type EfiReservedMemoryType at a > specified alignment. > > + > > + Allocates the number of 4KB pages specified by Pages of type > EfiReservedMemoryType with an > > + alignment specified by Alignment. The allocated buffer is returned. If > Pages is 0, then NULL is > > + returned. If there is not enough memory at the specified alignment > remaining to satisfy the > > + request, then NULL is returned. > > + > > + If Alignment is not a power of two and Alignment is not zero, then > ASSERT(). > > + If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT(). > > + > > + @param Pages The number of 4 KB pages to allocate. > > + @param Alignment The requested alignment of the > allocation. Must be a power of two. > > + If Alignment is zero, then byte > alignment is used. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateAlignedReservedPages ( > > + IN UINTN Pages, > > + IN UINTN Alignment > > + ) > > +{ > > + return NULL; > > +} > > + > > +/** > > + Frees one or more 4KB pages that were previously allocated with one of > the aligned page > > + allocation functions in the Memory Allocation Library. > > + > > + Frees the number of 4KB pages specified by Pages from the buffer > > specified > by Buffer. Buffer > > + must have been allocated on a previous call to the aligned page > > allocation > services of the Memory > > + Allocation Library. If it is not possible to free allocated pages, then > > this > function will > > + perform no actions. > > + > > + If Buffer was not allocated with an aligned page allocation function in > > the > Memory Allocation > > + Library, then ASSERT(). > > + If Pages is zero, then ASSERT(). > > + > > + @param Buffer Pointer to the buffer of pages to free. > > + @param Pages The number of 4 KB pages to free. > > + > > +**/ > > +VOID > > +EFIAPI > > +FreeAlignedPages ( > > + IN VOID *Buffer, > > + IN UINTN Pages > > + ) > > +{ > > + EFI_STATUS Status; > > + > > + ASSERT (Pages != 0); > > + Status = gMmst->MmFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, > Pages); > > + ASSERT_EFI_ERROR (Status); > > +} > > + > > +/** > > + Allocates a buffer of a certain pool type. > > + > > + Allocates the number bytes specified by AllocationSize of a certain pool > type and returns a > > + pointer to the allocated buffer. If AllocationSize is 0, then a valid > > buffer of > 0 size is > > + returned. If there is not enough memory remaining to satisfy the > > request, > then NULL is returned. > > + > > + @param MemoryType The type of memory to allocate. > > + @param AllocationSize The number of bytes to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +InternalAllocatePool ( > > + IN EFI_MEMORY_TYPE MemoryType, > > + IN UINTN AllocationSize > > + ) > > +{ > > + EFI_STATUS Status; > > + VOID *Memory; > > + > > + Memory = NULL; > > + > > + Status = gMmst->MmAllocatePool (MemoryType, AllocationSize, > &Memory); > > + if (EFI_ERROR (Status)) { > > + Memory = NULL; > > + } > > + return Memory; > > +} > > + > > +/** > > + Allocates a buffer of type EfiBootServicesData. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiBootServicesData and returns a > > + pointer to the allocated buffer. If AllocationSize is 0, then a valid > > buffer of > 0 size is > > + returned. If there is not enough memory remaining to satisfy the > > request, > then NULL is returned. > > + > > + @param AllocationSize The number of bytes to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocatePool ( > > + IN UINTN AllocationSize > > + ) > > +{ > > + return InternalAllocatePool (EfiRuntimeServicesData, AllocationSize); > > +} > > + > > +/** > > + Allocates a buffer of type EfiRuntimeServicesData. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiRuntimeServicesData and returns > > + a pointer to the allocated buffer. If AllocationSize is 0, then a valid > > buffer > of 0 size is > > + returned. If there is not enough memory remaining to satisfy the > > request, > then NULL is returned. > > + > > + @param AllocationSize The number of bytes to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateRuntimePool ( > > + IN UINTN AllocationSize > > + ) > > +{ > > + return InternalAllocatePool (EfiRuntimeServicesData, AllocationSize); > > +} > > + > > +/** > > + Allocates a buffer of type EfiReservedMemoryType. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiReservedMemoryType and returns > > + a pointer to the allocated buffer. If AllocationSize is 0, then a valid > > buffer > of 0 size is > > + returned. If there is not enough memory remaining to satisfy the > > request, > then NULL is returned. > > + > > + @param AllocationSize The number of bytes to allocate. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateReservedPool ( > > + IN UINTN AllocationSize > > + ) > > +{ > > + return NULL; > > +} > > + > > +/** > > + Allocates and zeros a buffer of a certain pool type. > > + > > + Allocates the number bytes specified by AllocationSize of a certain pool > type, clears the buffer > > + with zeros, and returns a pointer to the allocated buffer. If > > AllocationSize > is 0, then a valid > > + buffer of 0 size is returned. If there is not enough memory remaining to > satisfy the request, > > + then NULL is returned. > > + > > + @param PoolType The type of memory to allocate. > > + @param AllocationSize The number of bytes to allocate and > zero. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +InternalAllocateZeroPool ( > > + IN EFI_MEMORY_TYPE PoolType, > > + IN UINTN AllocationSize > > + ) > > +{ > > + VOID *Memory; > > + > > + Memory = InternalAllocatePool (PoolType, AllocationSize); > > + if (Memory != NULL) { > > + Memory = ZeroMem (Memory, AllocationSize); > > + } > > + return Memory; > > +} > > + > > +/** > > + Allocates and zeros a buffer of type EfiBootServicesData. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiBootServicesData, clears the > > + buffer with zeros, and returns a pointer to the allocated buffer. If > AllocationSize is 0, then a > > + valid buffer of 0 size is returned. If there is not enough memory > remaining to satisfy the > > + request, then NULL is returned. > > + > > + @param AllocationSize The number of bytes to allocate and > zero. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateZeroPool ( > > + IN UINTN AllocationSize > > + ) > > +{ > > + return InternalAllocateZeroPool (EfiRuntimeServicesData, AllocationSize); > > +} > > + > > +/** > > + Allocates and zeros a buffer of type EfiRuntimeServicesData. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiRuntimeServicesData, clears the > > + buffer with zeros, and returns a pointer to the allocated buffer. If > AllocationSize is 0, then a > > + valid buffer of 0 size is returned. If there is not enough memory > remaining to satisfy the > > + request, then NULL is returned. > > + > > + @param AllocationSize The number of bytes to allocate and > zero. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateRuntimeZeroPool ( > > + IN UINTN AllocationSize > > + ) > > +{ > > + return InternalAllocateZeroPool (EfiRuntimeServicesData, AllocationSize); > > +} > > + > > +/** > > + Allocates and zeros a buffer of type EfiReservedMemoryType. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiReservedMemoryType, clears the > > + buffer with zeros, and returns a pointer to the allocated buffer. If > AllocationSize is 0, then a > > + valid buffer of 0 size is returned. If there is not enough memory > remaining to satisfy the > > + request, then NULL is returned. > > + > > + @param AllocationSize The number of bytes to allocate and > zero. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateReservedZeroPool ( > > + IN UINTN AllocationSize > > + ) > > +{ > > + return NULL; > > +} > > + > > +/** > > + Copies a buffer to an allocated buffer of a certain pool type. > > + > > + Allocates the number bytes specified by AllocationSize of a certain pool > type, copies > > + AllocationSize bytes from Buffer to the newly allocated buffer, and > > returns > a pointer to the > > + allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size > > is > returned. If there > > + is not enough memory remaining to satisfy the request, then NULL is > returned. > > + If Buffer is NULL, then ASSERT(). > > + If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then > ASSERT(). > > + > > + @param PoolType The type of pool to allocate. > > + @param AllocationSize The number of bytes to allocate and > zero. > > + @param Buffer The buffer to copy to the allocated > buffer. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +InternalAllocateCopyPool ( > > + 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 = InternalAllocatePool (PoolType, AllocationSize); > > + if (Memory != NULL) { > > + Memory = CopyMem (Memory, Buffer, AllocationSize); > > + } > > + return Memory; > > +} > > + > > +/** > > + Copies a buffer to an allocated buffer of type EfiBootServicesData. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiBootServicesData, copies > > + AllocationSize bytes from Buffer to the newly allocated buffer, and > > returns > a pointer to the > > + allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size > > is > returned. If there > > + is not enough memory remaining to satisfy the request, then NULL is > returned. > > + > > + If Buffer is NULL, then ASSERT(). > > + If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then > ASSERT(). > > + > > + @param AllocationSize The number of bytes to allocate and > zero. > > + @param Buffer The buffer to copy to the allocated > buffer. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateCopyPool ( > > + IN UINTN AllocationSize, > > + IN CONST VOID *Buffer > > + ) > > +{ > > + return InternalAllocateCopyPool (EfiRuntimeServicesData, AllocationSize, > Buffer); > > +} > > + > > +/** > > + Copies a buffer to an allocated buffer of type EfiRuntimeServicesData. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiRuntimeServicesData, copies > > + AllocationSize bytes from Buffer to the newly allocated buffer, and > > returns > a pointer to the > > + allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size > > is > returned. If there > > + is not enough memory remaining to satisfy the request, then NULL is > returned. > > + > > + If Buffer is NULL, then ASSERT(). > > + If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then > ASSERT(). > > + > > + @param AllocationSize The number of bytes to allocate and > zero. > > + @param Buffer The buffer to copy to the allocated > buffer. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateRuntimeCopyPool ( > > + IN UINTN AllocationSize, > > + IN CONST VOID *Buffer > > + ) > > +{ > > + return InternalAllocateCopyPool (EfiRuntimeServicesData, AllocationSize, > Buffer); > > +} > > + > > +/** > > + Copies a buffer to an allocated buffer of type EfiReservedMemoryType. > > + > > + Allocates the number bytes specified by AllocationSize of type > EfiReservedMemoryType, copies > > + AllocationSize bytes from Buffer to the newly allocated buffer, and > > returns > a pointer to the > > + allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size > > is > returned. If there > > + is not enough memory remaining to satisfy the request, then NULL is > returned. > > + > > + If Buffer is NULL, then ASSERT(). > > + If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then > ASSERT(). > > + > > + @param AllocationSize The number of bytes to allocate and > zero. > > + @param Buffer The buffer to copy to the allocated > buffer. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +AllocateReservedCopyPool ( > > + IN UINTN AllocationSize, > > + IN CONST VOID *Buffer > > + ) > > +{ > > + return NULL; > > +} > > + > > +/** > > + Reallocates a buffer of a specified memory type. > > + > > + Allocates and zeros the number bytes specified by NewSize from memory > of the type > > + specified by PoolType. If OldBuffer is not NULL, then the smaller of > OldSize and > > + NewSize bytes are copied from OldBuffer to the newly allocated buffer, > > and > > + OldBuffer is freed. A pointer to the newly allocated buffer is returned. > > + If NewSize is 0, then a valid buffer of 0 size is returned. If there > > is not > > + enough memory remaining to satisfy the request, then NULL is returned. > > + > > + If the allocation of the new buffer is successful and the smaller of > > NewSize > and OldSize > > + is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT(). > > + > > + @param PoolType The type of pool to allocate. > > + @param OldSize The size, in bytes, of OldBuffer. > > + @param NewSize The size, in bytes, of the buffer to reallocate. > > + @param OldBuffer The buffer to copy to the allocated buffer. > This is an optional > > + parameter that may be NULL. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +InternalReallocatePool ( > > + IN EFI_MEMORY_TYPE PoolType, > > + IN UINTN OldSize, > > + IN UINTN NewSize, > > + IN VOID *OldBuffer OPTIONAL > > + ) > > +{ > > + VOID *NewBuffer; > > + > > + NewBuffer = InternalAllocateZeroPool (PoolType, NewSize); > > + if (NewBuffer != NULL && OldBuffer != NULL) { > > + CopyMem (NewBuffer, OldBuffer, MIN (OldSize, NewSize)); > > + FreePool (OldBuffer); > > + } > > + return NewBuffer; > > +} > > + > > +/** > > + Reallocates a buffer of type EfiBootServicesData. > > + > > + Allocates and zeros the number bytes specified by NewSize from memory > of type > > + EfiBootServicesData. If OldBuffer is not NULL, then the smaller of > > OldSize > and > > + NewSize bytes are copied from OldBuffer to the newly allocated buffer, > > and > > + OldBuffer is freed. A pointer to the newly allocated buffer is returned. > > + If NewSize is 0, then a valid buffer of 0 size is returned. If there > > is not > > + enough memory remaining to satisfy the request, then NULL is returned. > > + > > + If the allocation of the new buffer is successful and the smaller of > > NewSize > and OldSize > > + is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT(). > > + > > + @param OldSize The size, in bytes, of OldBuffer. > > + @param NewSize The size, in bytes, of the buffer to reallocate. > > + @param OldBuffer The buffer to copy to the allocated buffer. > This is an optional > > + parameter that may be NULL. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +ReallocatePool ( > > + IN UINTN OldSize, > > + IN UINTN NewSize, > > + IN VOID *OldBuffer OPTIONAL > > + ) > > +{ > > + return InternalReallocatePool (EfiRuntimeServicesData, OldSize, NewSize, > OldBuffer); > > +} > > + > > +/** > > + Reallocates a buffer of type EfiRuntimeServicesData. > > + > > + Allocates and zeros the number bytes specified by NewSize from memory > of type > > + EfiRuntimeServicesData. If OldBuffer is not NULL, then the smaller of > OldSize and > > + NewSize bytes are copied from OldBuffer to the newly allocated buffer, > > and > > + OldBuffer is freed. A pointer to the newly allocated buffer is returned. > > + If NewSize is 0, then a valid buffer of 0 size is returned. If there > > is not > > + enough memory remaining to satisfy the request, then NULL is returned. > > + > > + If the allocation of the new buffer is successful and the smaller of > > NewSize > and OldSize > > + is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT(). > > + > > + @param OldSize The size, in bytes, of OldBuffer. > > + @param NewSize The size, in bytes, of the buffer to reallocate. > > + @param OldBuffer The buffer to copy to the allocated buffer. > This is an optional > > + parameter that may be NULL. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +ReallocateRuntimePool ( > > + IN UINTN OldSize, > > + IN UINTN NewSize, > > + IN VOID *OldBuffer OPTIONAL > > + ) > > +{ > > + return InternalReallocatePool (EfiRuntimeServicesData, OldSize, NewSize, > OldBuffer); > > +} > > + > > +/** > > + Reallocates a buffer of type EfiReservedMemoryType. > > + > > + Allocates and zeros the number bytes specified by NewSize from memory > of type > > + EfiReservedMemoryType. If OldBuffer is not NULL, then the smaller of > OldSize and > > + NewSize bytes are copied from OldBuffer to the newly allocated buffer, > > and > > + OldBuffer is freed. A pointer to the newly allocated buffer is returned. > > + If NewSize is 0, then a valid buffer of 0 size is returned. If there > > is not > > + enough memory remaining to satisfy the request, then NULL is returned. > > + > > + If the allocation of the new buffer is successful and the smaller of > > NewSize > and OldSize > > + is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT(). > > + > > + @param OldSize The size, in bytes, of OldBuffer. > > + @param NewSize The size, in bytes, of the buffer to reallocate. > > + @param OldBuffer The buffer to copy to the allocated buffer. > This is an optional > > + parameter that may be NULL. > > + > > + @return A pointer to the allocated buffer or NULL if allocation fails. > > + > > +**/ > > +VOID * > > +EFIAPI > > +ReallocateReservedPool ( > > + IN UINTN OldSize, > > + IN UINTN NewSize, > > + IN VOID *OldBuffer OPTIONAL > > + ) > > +{ > > + return NULL; > > +} > > + > > +/** > > + Frees a buffer that was previously allocated with one of the pool > > allocation > functions in the > > + Memory Allocation Library. > > + > > + Frees the buffer specified by Buffer. Buffer must have been allocated > > on a > previous call to the > > + pool allocation services of the Memory Allocation Library. If it is not > possible to free pool > > + resources, then this function will perform no actions. > > + > > + If Buffer was not allocated with a pool allocation function in the Memory > Allocation Library, > > + then ASSERT(). > > + > > + @param Buffer Pointer to the buffer to free. > > + > > +**/ > > +VOID > > +EFIAPI > > +FreePool ( > > + IN VOID *Buffer > > + ) > > +{ > > + EFI_STATUS Status; > > + > > + Status = gMmst->MmFreePool (Buffer); > > + ASSERT_EFI_ERROR (Status); > > +} > > + > > +/** > > + The constructor function calls MmInitializeMemoryServices to initialize > > + memory in MMRAM and caches EFI_MM_SYSTEM_TABLE pointer. > > + > > + @param ImageHandle The firmware allocated handle for the EFI > image. > > + @param SystemTable A pointer to the Management mode System > Table. > > + > > + @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS. > > + > > +**/ > > +EFI_STATUS > > +EFIAPI > > +MemoryAllocationLibConstructor ( > > + IN EFI_HANDLE ImageHandle, > > + IN EFI_MM_SYSTEM_TABLE *MmSystemTable > > + ) > > +{ > > + MM_CORE_PRIVATE_DATA *MmCorePrivate; > > + EFI_HOB_GUID_TYPE *GuidHob; > > + MM_CORE_DATA_HOB_DATA *DataInHob; > > + VOID *HobStart; > > + EFI_MMRAM_HOB_DESCRIPTOR_BLOCK *MmramRangesHobData; > > + EFI_MMRAM_DESCRIPTOR *MmramRanges; > > + UINT32 MmramRangeCount; > > + EFI_HOB_GUID_TYPE *MmramRangesHob; > > + > > + HobStart = GetHobList (); > > + DEBUG ((DEBUG_INFO, > "StandaloneMmCoreMemoryAllocationLibConstructor - 0x%x\n", HobStart)); > > + > > + // > > + // Extract MM Core Private context from the Hob. If absent search for > > + // a Hob containing the MMRAM ranges > > + // > > + GuidHob = GetNextGuidHob (&gMmCoreDataHobGuid, HobStart); > > + if (GuidHob == NULL) { > > + MmramRangesHob = GetNextGuidHob > (&gEfiMmPeiMmramMemoryReserveGuid, HobStart); > > + if (MmramRangesHob == NULL) { > > + return EFI_UNSUPPORTED; > > + } > > + > > + MmramRangesHobData = GET_GUID_HOB_DATA (MmramRangesHob); > > + if (MmramRangesHobData == NULL) { > > + return EFI_UNSUPPORTED; > > + } > > + > > + MmramRanges = MmramRangesHobData->Descriptor; > > + if (MmramRanges == NULL) { > > + return EFI_UNSUPPORTED; > > + } > > + > > + MmramRangeCount = > MmramRangesHobData->NumberOfMmReservedRegions; > > + if (MmramRanges == NULL) { > > + return EFI_UNSUPPORTED; > > + } > > + > > + } else { > > + DataInHob = GET_GUID_HOB_DATA (GuidHob); > > + MmCorePrivate = (MM_CORE_PRIVATE_DATA > *)(UINTN)DataInHob->Address; > > + MmramRanges = (EFI_MMRAM_DESCRIPTOR > *)(UINTN)MmCorePrivate->MmramRanges; > > + MmramRangeCount = MmCorePrivate->MmramRangeCount; > > + } > > + > > + { > > + UINTN Index; > > + > > + DEBUG ((DEBUG_INFO, "MmramRangeCount - 0x%x\n", > MmramRangeCount)); > > + for (Index = 0; Index < MmramRangeCount; Index++) { > > + DEBUG ((DEBUG_INFO, "MmramRanges[%d]: 0x%016lx - > 0x%016lx\n", Index, MmramRanges[Index].CpuStart, > MmramRanges[Index].PhysicalSize)); > > + } > > + } > > + > > + // > > + // Initialize memory service using free MMRAM > > + // > > + DEBUG ((DEBUG_INFO, "MmInitializeMemoryServices\n")); > > + MmInitializeMemoryServices ((UINTN)MmramRangeCount, (VOID > *)(UINTN)MmramRanges); > > + > > + // Initialize MM Services Table > > + gMmst = MmSystemTable; > > + return EFI_SUCCESS; > > +} > > diff --git > a/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.inf > b/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.inf > > new file mode 100644 > > index 0000000000..068607f90e > > --- /dev/null > > +++ > b/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationLib.inf > > @@ -0,0 +1,49 @@ > > +## @file > > +# Memory Allocation Library instance dedicated to MM Core. > > +# The implementation borrows the MM Core Memory Allocation services as > the primitive > > +# for memory allocation instead of using MM System Table servces in an > indirect way. > > +# It is assumed that this library instance must be linked with MM Core in > > this > package. > > +# > > +# Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR> > > +# Copyright (c) 2016 - 2017, ARM Limited. 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 full text of the license may be > found at > > +# http://opensource.org/licenses/bsd-license.php > > +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" > BASIS, > > +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER > EXPRESS OR IMPLIED. > > +# > > +## > > + > > +[Defines] > > + INF_VERSION = 0x0001001A > > + BASE_NAME = MemoryAllocationLib > > + FILE_GUID = > DCDCBE1D-E760-4E1D-85B4-96E3F0439C41 > > + MODULE_TYPE = MM_CORE_STANDALONE > > + VERSION_STRING = 1.0 > > + PI_SPECIFICATION_VERSION = 0x00010032 > > + LIBRARY_CLASS = > MemoryAllocationLib|MM_CORE_STANDALONE > > + CONSTRUCTOR = MemoryAllocationLibConstructor > > + > > +# > > +# The following information is for reference only and not required by the > build tools. > > +# > > +# VALID_ARCHITECTURES = IA32 X64 > > +# > > + > > +[Sources] > > + MemoryAllocationLib.c > > + MemoryAllocationServices.h > > + > > +[Packages] > > + MdePkg/MdePkg.dec > > + StandaloneMmPkg/StandaloneMmPkg.dec > > + > > +[LibraryClasses] > > + BaseMemoryLib > > + DebugLib > > + HobLib > > + > > +[Guids] > > + gEfiMmPeiMmramMemoryReserveGuid > > diff --git > a/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationServices. > h > b/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationServices. > h > > new file mode 100644 > > index 0000000000..eb4f4c3984 > > --- /dev/null > > +++ > b/StandaloneMmPkg/Library/MemoryAllocationLib/MemoryAllocationServices. > h > > @@ -0,0 +1,38 @@ > > +/** @file > > + Contains function prototypes for Memory Services in the MM Core. > > + > > + This header file borrows the StandaloneMmCore Memory Allocation > services as the primitive > > + for memory allocation. > > + > > + Copyright (c) 2008 - 2015, Intel Corporation. All rights reserved.<BR> > > + Copyright (c) 2016 - 2017, ARM Limited. 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 full text of the license may be > found at > > + http://opensource.org/licenses/bsd-license.php > > + > > + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" > BASIS, > > + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER > EXPRESS OR IMPLIED. > > + > > +**/ > > + > > +#ifndef _PI_MM_CORE_MEMORY_ALLOCATION_SERVICES_H_ > > +#define _PI_MM_CORE_MEMORY_ALLOCATION_SERVICES_H_ > > + > > +#include <Guid/MmCoreData.h> > > + > > +/** > > + Called to initialize the memory service. > > + > > + @param MmramRangeCount Number of MMRAM Regions > > + @param MmramRanges Pointer to MMRAM Descriptors > > + > > +**/ > > +VOID > > +MmInitializeMemoryServices ( > > + IN UINTN MmramRangeCount, > > + IN EFI_MMRAM_DESCRIPTOR *MmramRanges > > + ); > > + > > +#endif > > -- > > 2.16.2 > > > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
