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Make structure padding explicit in EFI_MEMORY_DESCRIPTOR

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The EFI memory descriptor 64-bit aligns PhysicalStart on both 32- and
64-bit platforms.  Make the padding explicit for i386 EFI.

Submitted by:	Siva Mahadevan <smahadevan@freebsdfoundation.org>
MFC after:	3 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D11301
This commit is contained in:
Ed Maste 2017-06-22 14:30:09 +00:00
parent cd32671786
commit 4267fb758b
1 changed files with 1 additions and 0 deletions
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sys/boot/efi/include/efidef.h
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@ -178,6 +178,7 @@ typedef enum {
#define EFI_MEMORY_DESCRIPTOR_VERSION 1
typedef struct {
UINT32 Type; // Field size is 32 bits followed by 32 bit pad
UINT32 Pad;
EFI_PHYSICAL_ADDRESS PhysicalStart; // Field size is 64 bits
EFI_VIRTUAL_ADDRESS VirtualStart; // Field size is 64 bits
UINT64 NumberOfPages; // Field size is 64 bits