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author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2021-08-17 14:52:16 +0200 |
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committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2021-08-17 17:24:08 +0200 |
commit | 3ced574530e13b12cec3dc9ef87f1a175fb76c83 (patch) | |
tree | f637e9fdc4778a4f72c2bb0743fab89089632253 /include | |
parent | 7685d17b72bc4fee08ba669634f3dc3084af190d (diff) | |
download | u-boot-3ced574530e13b12cec3dc9ef87f1a175fb76c83.zip u-boot-3ced574530e13b12cec3dc9ef87f1a175fb76c83.tar.gz u-boot-3ced574530e13b12cec3dc9ef87f1a175fb76c83.tar.bz2 |
efi_loader: use an enum for the memory allocation types
For type checking we need an enum.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/efi.h | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/include/efi.h b/include/efi.h index 6417a9b..4eb573a 100644 --- a/include/efi.h +++ b/include/efi.h @@ -125,6 +125,34 @@ struct efi_table_hdr { u32 reserved; }; +/* Allocation types for calls to boottime->allocate_pages*/ +/** + * enum efi_allocate_type - address restriction for memory allocation + */ +enum efi_allocate_type { + /** + * @EFI_ALLOCATE_ANY_PAGES: + * Allocate any block of sufficient size. Ignore memory address. + */ + EFI_ALLOCATE_ANY_PAGES, + /** + * @EFI_ALLOCATE_MAX_ADDRESS: + * Allocate a memory block with an uppermost address less or equal + * to the indicated address. + */ + EFI_ALLOCATE_MAX_ADDRESS, + /** + * @EFI_ALLOCATE_ADDRESS: + * Allocate a memory block starting at the indicatged adress. + */ + EFI_ALLOCATE_ADDRESS, + /** + * @EFI_MAX_ALLOCATE_TYPE: + * Value use for range checking. + */ + EFI_MAX_ALLOCATE_TYPE, +}; + /* Enumeration of memory types introduced in UEFI */ enum efi_mem_type { EFI_RESERVED_MEMORY_TYPE, @@ -224,12 +252,6 @@ struct efi_mem_desc { #define EFI_MEMORY_DESCRIPTOR_VERSION 1 -/* Allocation types for calls to boottime->allocate_pages*/ -#define EFI_ALLOCATE_ANY_PAGES 0 -#define EFI_ALLOCATE_MAX_ADDRESS 1 -#define EFI_ALLOCATE_ADDRESS 2 -#define EFI_MAX_ALLOCATE_TYPE 3 - /* Types and defines for Time Services */ #define EFI_TIME_ADJUST_DAYLIGHT 0x1 #define EFI_TIME_IN_DAYLIGHT 0x2 |