You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

88 lines
2.9 KiB

From 178c4edc23c209630f22fbd3c6397c49284b4bad Mon Sep 17 00:00:00 2001
From: Robert Elliott <elliott@hpe.com>
Date: Fri, 22 Jan 2016 13:32:30 +0100
Subject: [PATCH 194/237] efiemu: Handle persistent RAM and unknown possible
future additions.
(cherry picked from commit ae3b83a4d4df75a01198a2fed7542391e7c449e0)
Resolves: rhbz#1288608
---
grub-core/efiemu/mm.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/grub-core/efiemu/mm.c b/grub-core/efiemu/mm.c
index d4a4f3a..13af4ad 100644
--- a/grub-core/efiemu/mm.c
+++ b/grub-core/efiemu/mm.c
@@ -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;
--
2.9.3