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efi_loader: use an enum for the memory allocation types

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For type checking we need an enum.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2021-08-17 14:52:16 +02:00
parent 7685d17b72
commit 3ced574530
1 changed files with 28 additions and 6 deletions
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34
include/efi.h
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@ -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