grub2/0063-grub-core-mmap-i386-uppermem.c-lower_hook-COREBOOT-I.patch
Peter Jones 58fe9aa736 Various updates that came from rhel 7.1 work.
- Clean up the build a bit to make it faster
- Make grubenv work right on UEFI machines
  Related: rhbz#1119943
- Sort debug and rescue kernels later than normal ones
  Related: rhbz#1065360
- Allow "fallback" to include entries by title as well as number.
  Related: rhbz#1026084
- Fix a segfault on aarch64.
- Load arm with SB enabled if available.
- Add some serial port options to GRUB_MODULES.

Signed-off-by: Peter Jones <pjones@redhat.com>
2014-09-29 11:52:02 -04:00

47 lines
1.3 KiB
Diff

From e85cc7078e669509d3a22c4e76f94cdd53335fff Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Fri, 28 Feb 2014 09:50:47 +0100
Subject: [PATCH 063/152] * grub-core/mmap/i386/uppermem.c (lower_hook)
[COREBOOT]: Ignore low tables for low memory calculations.
---
ChangeLog | 5 +++++
grub-core/mmap/i386/uppermem.c | 6 +++++-
2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index bbaed26..6ed6cf4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
2014-02-28 Vladimir Serbinenko <phcoder@gmail.com>
+ * grub-core/mmap/i386/uppermem.c (lower_hook) [COREBOOT]: Ignore low
+ tables for low memory calculations.
+
+2014-02-28 Vladimir Serbinenko <phcoder@gmail.com>
+
* grub-core/loader/i386/multiboot_mbi.c (grub_multiboot_make_mbi): Limit
location to 640K.
diff --git a/grub-core/mmap/i386/uppermem.c b/grub-core/mmap/i386/uppermem.c
index bd8b429..a6be989 100644
--- a/grub-core/mmap/i386/uppermem.c
+++ b/grub-core/mmap/i386/uppermem.c
@@ -31,8 +31,12 @@ lower_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
if (type != GRUB_MEMORY_AVAILABLE)
return 0;
+#ifdef GRUB_MACHINE_COREBOOT
+ if (addr <= 0x1000)
+#else
if (addr == 0)
- *lower = size;
+#endif
+ *lower = size + addr;
return 0;
}
--
1.9.3