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67f30b6a74
- Use version field to sort BLS entries if id field isn't defined - Add version field to BLS fragments generated by 20-grub.install Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
84 lines
2.3 KiB
Diff
84 lines
2.3 KiB
Diff
From 805220eb48a8cabcc83628d90aa40f3204b21a71 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Mon, 7 Dec 2015 14:20:49 -0500
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Subject: [PATCH 075/238] Make efi machines load an env block from a variable
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/Makefile.core.def | 1 +
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grub-core/kern/efi/init.c | 34 +++++++++++++++++++++++++++++++++-
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2 files changed, 34 insertions(+), 1 deletion(-)
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diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
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index a65c27f7ff2..1eb86bed33b 100644
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--- a/grub-core/Makefile.core.def
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+++ b/grub-core/Makefile.core.def
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@@ -191,6 +191,7 @@ kernel = {
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efi = term/efi/console.c;
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efi = kern/acpi.c;
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efi = kern/efi/acpi.c;
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+ efi = lib/envblk.c;
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i386_coreboot = kern/i386/pc/acpi.c;
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i386_multiboot = kern/i386/pc/acpi.c;
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i386_coreboot = kern/acpi.c;
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diff --git a/grub-core/kern/efi/init.c b/grub-core/kern/efi/init.c
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index 2c31847bf6d..f7782b6e114 100644
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--- a/grub-core/kern/efi/init.c
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+++ b/grub-core/kern/efi/init.c
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@@ -25,9 +25,40 @@
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#include <grub/env.h>
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#include <grub/mm.h>
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#include <grub/kernel.h>
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+#include <grub/lib/envblk.h>
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grub_addr_t grub_modbase;
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+#define GRUB_EFI_GRUB_VARIABLE_GUID \
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+ { 0x91376aff, 0xcba6, 0x42be, \
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+ { 0x94, 0x9d, 0x06, 0xfd, 0xe8, 0x11, 0x28, 0xe8 } \
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+ }
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+
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+/* Helper for grub_efi_env_init */
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+static int
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+set_var (const char *name, const char *value,
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+ void *whitelist __attribute__((__unused__)))
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+{
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+ grub_env_set (name, value);
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+ return 0;
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+}
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+
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+static void
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+grub_efi_env_init (void)
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+{
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+ grub_efi_guid_t efi_grub_guid = GRUB_EFI_GRUB_VARIABLE_GUID;
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+ struct grub_envblk envblk_s = { NULL, 0 };
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+ grub_envblk_t envblk = &envblk_s;
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+
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+ envblk_s.buf = grub_efi_get_variable ("GRUB_ENV", &efi_grub_guid,
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+ &envblk_s.size);
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+ if (!envblk_s.buf || envblk_s.size < 1)
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+ return;
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+
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+ grub_envblk_iterate (envblk, NULL, set_var);
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+ grub_free (envblk_s.buf);
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+}
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+
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void
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grub_efi_init (void)
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{
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@@ -42,10 +73,11 @@ grub_efi_init (void)
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efi_call_4 (grub_efi_system_table->boot_services->set_watchdog_timer,
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0, 0, 0, NULL);
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+ grub_efi_env_init ();
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grub_efidisk_init ();
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}
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-void (*grub_efi_net_config) (grub_efi_handle_t hnd,
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+void (*grub_efi_net_config) (grub_efi_handle_t hnd,
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char **device,
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char **path);
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--
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2.17.0
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