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efiemu: Handle persistent RAM and unknown possible future additions.

This commit is contained in:
Robert Elliott 2016-01-22 13:32:30 +01:00 committed by Vladimir Serbinenko
parent dab148891e
commit ae3b83a4d4
1 changed files with 22 additions and 3 deletions
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25
grub-core/efiemu/mm.c
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@ -99,7 +99,8 @@ grub_efiemu_request_memalign (grub_size_t align, grub_size_t size,
grub_size_t align_overhead;
struct grub_efiemu_memrequest *ret, *cur, *prev;
/* Check that the request is correct */
if (type >= GRUB_EFI_MAX_MEMORY_TYPE || type <= GRUB_EFI_LOADER_CODE)
if (type <= GRUB_EFI_LOADER_CODE || type == GRUB_EFI_PERSISTENT_MEMORY ||
type >= GRUB_EFI_MAX_MEMORY_TYPE)
return -2;
/* Add new size to requested size */
@ -166,6 +167,13 @@ efiemu_alloc_requests (void)
GRUB_EFI_MEMORY_MAPPED_IO,
GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE,
GRUB_EFI_PAL_CODE
/*
* These are not allocatable:
* GRUB_EFI_RESERVED_MEMORY_TYPE
* GRUB_EFI_PERSISTENT_MEMORY
* >= GRUB_EFI_MAX_MEMORY_TYPE
*/
};
/* Compute total memory needed */
@ -402,6 +410,10 @@ fill_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
return grub_efiemu_add_to_mmap (addr, size,
GRUB_EFI_ACPI_MEMORY_NVS);
case GRUB_MEMORY_PRAM:
case GRUB_MEMORY_PMEM:
return grub_efiemu_add_to_mmap (addr, size,
GRUB_EFI_PERSISTENT_MEMORY);
default:
grub_dprintf ("efiemu",
"Unknown memory type %d. Assuming unusable\n", type);
@ -445,7 +457,7 @@ grub_efiemu_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
case GRUB_EFI_MEMORY_MAPPED_IO:
case GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE:
case GRUB_EFI_PAL_CODE:
case GRUB_EFI_MAX_MEMORY_TYPE:
default:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
GRUB_MEMORY_RESERVED, hook_data);
break;
@ -468,6 +480,12 @@ grub_efiemu_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
GRUB_MEMORY_NVS, hook_data);
break;
case GRUB_EFI_PERSISTENT_MEMORY:
hook (efiemu_mmap[i].physical_start, efiemu_mmap[i].num_pages * 4096,
GRUB_MEMORY_PMEM, hook_data);
break;
}
return 0;
@ -503,7 +521,8 @@ grub_efiemu_mmap_sort_and_uniq (void)
[GRUB_EFI_ACPI_MEMORY_NVS] = 3,
[GRUB_EFI_MEMORY_MAPPED_IO] = 4,
[GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE] = 4,
[GRUB_EFI_PAL_CODE] = 4
[GRUB_EFI_PAL_CODE] = 4,
[GRUB_EFI_PERSISTENT_MEMORY] = 4
};
int i, j, k, done;