UEFI 2.5 Spec: MemoryType values in the range 0x70000000..0x7FFFFFFF are reserved for OEM use.
Cc: Jiewen Yao <jiewen....@intel.com> Cc: Liming Gao <liming....@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Star Zeng <star.z...@intel.com> --- MdePkg/Include/Uefi/UefiSpec.h | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h index 4aef871..2fb6ea0 100644 --- a/MdePkg/Include/Uefi/UefiSpec.h +++ b/MdePkg/Include/Uefi/UefiSpec.h @@ -1,8 +1,8 @@ /** @file Include file that supports UEFI. - This include file must contain things defined in the UEFI 2.4 specification. - If a code construct is defined in the UEFI 2.4 specification it must be included + This include file must contain things defined in the UEFI 2.5 specification. + If a code construct is defined in the UEFI 2.5 specification it must be included by this include file. Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> @@ -133,6 +133,11 @@ typedef struct { @param[in] Type The type of allocation to perform. @param[in] MemoryType The type of memory to allocate. + MemoryType values in the range 0x70000000..0x7FFFFFFF + are reserved for OEM use. MemoryType values in the range + 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders + that are provided by operating system vendors. The only illegal + memory type values are those in the range EfiMaxMemoryType..0x6FFFFFFF. @param[in] Pages The number of contiguous 4 KB pages to allocate. @param[in, out] Memory The pointer to a physical address. On input, the way in which the address is used depends on the value of Type. @@ -141,9 +146,9 @@ typedef struct { @retval EFI_INVALID_PARAMETER 1) Type is not AllocateAnyPages or AllocateMaxAddress or AllocateAddress. 2) MemoryType is in the range + EfiMaxMemoryType..0x6FFFFFFF. 3) Memory is NULL. 4) MemoryType was EfiPersistentMemory. - EfiMaxMemoryType..0x7FFFFFFF. @retval EFI_OUT_OF_RESOURCES The pages could not be allocated. @retval EFI_NOT_FOUND The requested pages could not be found. @@ -215,6 +220,11 @@ EFI_STATUS Allocates pool memory. @param[in] PoolType The type of pool to allocate. + MemoryType values in the range 0x70000000..0x7FFFFFFF + are reserved for OEM use. MemoryType values in the range + 0x80000000..0xFFFFFFFF are reserved for use by UEFI OS loaders + that are provided by operating system vendors. The only illegal + memory type values are those in the range EfiMaxMemoryType..0x6FFFFFFF. @param[in] Size The number of bytes to allocate from the pool. @param[out] Buffer A pointer to a pointer to the allocated buffer if the call succeeds; undefined otherwise. -- 1.9.5.msysgit.0 ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ edk2-devel mailing list edk2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/edk2-devel