From: "Gao, Liming" <liming.gao@intel.com>
To: Jeff Brasen <jbrasen@nvidia.com>,
"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Subject: Re: [PATCH 1/2] EmbeddedPkg/PrePiMemoryAllocationLib: Added AllocateZeroPool()
Date: Thu, 8 Nov 2018 00:29:47 +0000 [thread overview]
Message-ID: <4A89E2EF3DFEDB4C8BFDE51014F606A14E366271@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <a5bace61599e715d36d6a89354331ddce89cbe93.1540934763.git.jbrasen@nvidia.com>
Cc to the package maintainers.
> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Jeff Brasen
> Sent: Wednesday, October 31, 2018 5:31 AM
> To: edk2-devel@lists.01.org
> Cc: Jeff Brasen <jbrasen@nvidia.com>
> Subject: [edk2] [PATCH 1/2] EmbeddedPkg/PrePiMemoryAllocationLib: Added AllocateZeroPool()
>
> This function is exposed by the MemoryAllocationLib header.
> An AllocateZeroPool() function has been added to fix modules depending on
> this library and this function.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
> ---
> .../PrePiMemoryAllocationLib/MemoryAllocationLib.c | 32 ++++++++++++++++++++++
> 1 file changed, 32 insertions(+)
>
> diff --git a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c
> b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c
> index 0e75e23..f93f9cf 100644
> --- a/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c
> +++ b/EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c
> @@ -16,6 +16,7 @@
> #include <PiPei.h>
>
> #include <Library/BaseLib.h>
> +#include <Library/BaseMemoryLib.h>
> #include <Library/PrePiLib.h>
> #include <Library/DebugLib.h>
>
> @@ -195,6 +196,37 @@ AllocatePool (
> }
>
> /**
> + 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
> + )
> +{
> + VOID *Buffer;
> +
> + Buffer = AllocatePool (AllocationSize);
> + if (NULL == Buffer) {
> + return NULL;
> + }
> +
> + SetMem (Buffer, AllocationSize, 0);
> +
> + return Buffer;
> +}
> +
> +/**
> Frees a buffer that was previously allocated with one of the pool allocation functions in the
> Memory Allocation Library.
>
> --
> 2.7.4
>
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel
next prev parent reply other threads:[~2018-11-08 0:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-30 21:30 [PATCH 0/2] SortLib for UEFI SEC Jeff Brasen
2018-10-30 21:30 ` [PATCH 1/2] EmbeddedPkg/PrePiMemoryAllocationLib: Added AllocateZeroPool() Jeff Brasen
2018-10-30 22:57 ` Carsey, Jaben
2018-11-08 0:29 ` Gao, Liming [this message]
2018-11-08 11:13 ` Ard Biesheuvel
2018-11-08 16:52 ` Jeff Brasen
2018-10-30 21:30 ` [PATCH 2/2] MdeModulePkg/BaseSortLib: Enable for all module types Jeff Brasen
2018-10-30 22:57 ` Carsey, Jaben
2018-10-31 8:56 ` Ni, Ruiyu
2018-11-01 6:25 ` Jeff Brasen
2018-11-01 13:31 ` Gao, Liming
2018-11-02 4:59 ` Zeng, Star
2018-11-02 7:45 ` Gao, Liming
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