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Create a kernel data area for passing information

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This commit is contained in:
Justin C. Miller
2018-03-27 10:40:38 -07:00
parent 561686abd3
commit 2b9a0ca15e
6 changed files with 218 additions and 68 deletions
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20
src/boot/memory.h
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@@ -1,12 +1,26 @@
#pragma once
#include <efi.h>
struct memory_map {
size_t length;
size_t size;
size_t key;
uint32_t version;
EFI_MEMORY_DESCRIPTOR *entries;
};
EFI_STATUS memory_mark_address_for_update(void **pointer);
EFI_STATUS memory_virtualize(EFI_MEMORY_DESCRIPTOR *memory_map, UINTN memmap_size, UINTN desc_size,
EFI_STATUS memory_virtualize(EFI_MEMORY_DESCRIPTOR *memory_map, size_t memmap_size, size_t desc_size,
UINT32 desc_version);
EFI_STATUS memory_get_map(EFI_MEMORY_DESCRIPTOR **buffer, UINTN *buffer_size, UINTN *key,
UINTN *desc_size, UINT32 *desc_version);
EFI_STATUS memory_get_map_size(size_t *sizsize);
EFI_STATUS memory_get_map(EFI_MEMORY_DESCRIPTOR **buffer, size_t *buffer_size, size_t *key,
size_t *desc_size, UINT32 *desc_version);
EFI_STATUS memory_copy_map(EFI_MEMORY_DESCRIPTOR *oldmap, EFI_MEMORY_DESCRIPTOR *newmap,
size_t oldmap_size, size_t desc_size, void *this_image,
size_t *newmap_size);
EFI_STATUS memory_dump_map();