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SUSE:SLE-12-SP5:GA
grub2.16187
0002-Translate-UEFI-persistent-memory-type.patch
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File 0002-Translate-UEFI-persistent-memory-type.patch of Package grub2.16187
From 76ce1de740f202985ffd7b2e980cf34c75a2dac3 Mon Sep 17 00:00:00 2001 From: Robert Elliott <elliott@hpe.com> Date: Thu, 3 Dec 2015 11:38:36 -0600 Subject: [PATCH] Translate UEFI persistent memory type MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Define * GRUB_EFI_PERSISTENT_MEMORY (UEFI memory map type 14) per UEFI 2.5 * GRUB_MEMORY_PERSISTENT (E820 type 7) per ACPI 3.0 * GRUB_MEMORY_PERSISTENT_LEGACY (E820 unofficial type 12) per ACPI 3.0 and translate GRUB_EFI_PERSISTENT_MEMORY to GRUB_MEMORY_PERSISTENT in grub_efi_mmap_iterate(). Includes * adding the E820 names to lsmmap * handling the E820 types in make_efi_memtype() Suggested-by: Vladimir 'φ-coder/phcoder' Serbinenko <phcoder@gmail.com> Suggested-by: Andrei Borzenkov <arvidjaar@gmail.com> --- grub-core/commands/lsmmap.c | 2 ++ grub-core/mmap/efi/mmap.c | 12 ++++++++++++ include/grub/efi/api.h | 1 + include/grub/memory.h | 2 ++ 4 files changed, 17 insertions(+) Index: grub-2.02~beta2/grub-core/commands/lsmmap.c =================================================================== --- grub-2.02~beta2.orig/grub-core/commands/lsmmap.c +++ grub-2.02~beta2/grub-core/commands/lsmmap.c @@ -37,6 +37,8 @@ static const char *names[] = is required to save accross hibernations. */ [GRUB_MEMORY_NVS] = N_("ACPI non-volatile storage RAM"), [GRUB_MEMORY_BADRAM] = N_("faulty RAM (BadRAM)"), + [GRUB_MEMORY_PERSISTENT] = N_("persistent RAM"), + [GRUB_MEMORY_PERSISTENT_LEGACY] = N_("persistent RAM (legacy)"), [GRUB_MEMORY_COREBOOT_TABLES] = N_("RAM holding coreboot tables"), [GRUB_MEMORY_CODE] = N_("RAM holding firmware code") }; Index: grub-2.02~beta2/grub-core/mmap/efi/mmap.c =================================================================== --- grub-2.02~beta2.orig/grub-core/mmap/efi/mmap.c +++ grub-2.02~beta2/grub-core/mmap/efi/mmap.c @@ -118,6 +118,11 @@ grub_efi_mmap_iterate (grub_memory_hook_ GRUB_MEMORY_NVS, hook_data); break; + case GRUB_EFI_PERSISTENT_MEMORY: + hook (desc->physical_start, desc->num_pages * 4096, + GRUB_MEMORY_PERSISTENT, hook_data); + break; + default: grub_printf ("Unknown memory type %d, considering reserved\n", desc->type); @@ -147,6 +152,13 @@ make_efi_memtype (int type) /* No way to remove a chunk of memory from EFI mmap. So mark it as unusable. */ case GRUB_MEMORY_HOLE: + /* + * AllocatePages() does not support GRUB_EFI_PERSISTENT_MEMORY, + * so no translation for GRUB_MEMORY_PERSISTENT or + * GRUB_MEMORY_PERSISTENT_LEGACY. + */ + case GRUB_MEMORY_PERSISTENT: + case GRUB_MEMORY_PERSISTENT_LEGACY: case GRUB_MEMORY_RESERVED: return GRUB_EFI_UNUSABLE_MEMORY; Index: grub-2.02~beta2/include/grub/efi/api.h =================================================================== --- grub-2.02~beta2.orig/include/grub/efi/api.h +++ grub-2.02~beta2/include/grub/efi/api.h @@ -431,6 +431,7 @@ enum grub_efi_memory_type GRUB_EFI_MEMORY_MAPPED_IO, GRUB_EFI_MEMORY_MAPPED_IO_PORT_SPACE, GRUB_EFI_PAL_CODE, + GRUB_EFI_PERSISTENT_MEMORY, GRUB_EFI_MAX_MEMORY_TYPE }; typedef enum grub_efi_memory_type grub_efi_memory_type_t; Index: grub-2.02~beta2/include/grub/memory.h =================================================================== --- grub-2.02~beta2.orig/include/grub/memory.h +++ grub-2.02~beta2/include/grub/memory.h @@ -30,6 +30,8 @@ typedef enum grub_memory_type GRUB_MEMORY_ACPI = 3, GRUB_MEMORY_NVS = 4, GRUB_MEMORY_BADRAM = 5, + GRUB_MEMORY_PERSISTENT = 7, + GRUB_MEMORY_PERSISTENT_LEGACY = 12, GRUB_MEMORY_COREBOOT_TABLES = 16, GRUB_MEMORY_CODE = 20, /* This one is special: it's used internally but is never reported
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