#include <grub/mm.h>
#include <grub/efi/api.h>
#include <grub/efi/efi.h>
+#include <grub/cpu/efi/memory.h>
#if defined (__i386__) || defined (__x86_64__)
#include <grub/pci.h>
((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
#define BYTES_TO_PAGES(bytes) (((bytes) + 0xfff) >> 12)
+#define BYTES_TO_PAGES_DOWN(bytes) ((bytes) >> 12)
#define PAGES_TO_BYTES(pages) ((pages) << 12)
-#if defined (__code_model_large__) || !defined (__x86_64__)
-#define MAX_USABLE_ADDRESS 0xffffffff
-#else
-#define MAX_USABLE_ADDRESS 0x7fffffff
-#endif
-
/* The size of a memory map obtained from the firmware. This must be
a multiplier of 4KB. */
#define MEMORY_MAP_SIZE 0x3000
#if 1
/* Limit the memory access to less than 4GB for 32-bit platforms. */
- if (address > MAX_USABLE_ADDRESS)
+ if (address > GRUB_EFI_MAX_USABLE_ADDRESS)
return 0;
#endif
if (address == 0)
{
type = GRUB_EFI_ALLOCATE_MAX_ADDRESS;
- address = MAX_USABLE_ADDRESS;
+ address = GRUB_EFI_MAX_USABLE_ADDRESS;
}
else
type = GRUB_EFI_ALLOCATE_ADDRESS;
{
/* Uggh, the address 0 was allocated... This is too annoying,
so reallocate another one. */
- address = MAX_USABLE_ADDRESS;
+ address = GRUB_EFI_MAX_USABLE_ADDRESS;
status = efi_call_4 (b->allocate_pages, type, GRUB_EFI_LOADER_DATA, pages, &address);
grub_efi_free_pages (0, pages);
if (status != GRUB_EFI_SUCCESS)
{
if (desc->type == GRUB_EFI_CONVENTIONAL_MEMORY
#if 1
- && desc->physical_start <= MAX_USABLE_ADDRESS
+ && desc->physical_start <= GRUB_EFI_MAX_USABLE_ADDRESS
#endif
&& desc->physical_start + PAGES_TO_BYTES (desc->num_pages) > 0x100000
&& desc->num_pages != 0)
#if 1
if (BYTES_TO_PAGES (filtered_desc->physical_start)
+ filtered_desc->num_pages
- > BYTES_TO_PAGES (MAX_USABLE_ADDRESS+1LL))
+ > BYTES_TO_PAGES_DOWN (GRUB_EFI_MAX_USABLE_ADDRESS))
filtered_desc->num_pages
- = (BYTES_TO_PAGES (MAX_USABLE_ADDRESS+1LL)
+ = (BYTES_TO_PAGES_DOWN (GRUB_EFI_MAX_USABLE_ADDRESS)
- BYTES_TO_PAGES (filtered_desc->physical_start));
#endif