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From bbed773160168ebd75f57a893c7d563673abf36f Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Fri, 19 Apr 2013 15:05:11 +0200
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Subject: [PATCH 326/482] * grub-core/kern/elfXX.c (grub_elfXX_load):
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Handle GRUB_ELF_LOAD_FLAGS_30BITS and GRUB_ELF_LOAD_FLAGS_62BITS.
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* grub-core/loader/powerpc/ieee1275/linux.c (grub_linux_load32),
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(grub_linux_load64): Mask out 2 high bits.
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---
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ChangeLog | 7 +++++++
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grub-core/kern/elfXX.c | 16 ++++++++++++++--
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grub-core/loader/powerpc/ieee1275/linux.c | 4 ++--
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include/grub/elfload.h | 4 ++++
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4 files changed, 27 insertions(+), 4 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index 7450036..3799129 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,3 +1,10 @@
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+2013-04-19 Vladimir Serbinenko <phcoder@gmail.com>
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+
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+ * grub-core/kern/elfXX.c (grub_elfXX_load): Handle
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+ GRUB_ELF_LOAD_FLAGS_30BITS and GRUB_ELF_LOAD_FLAGS_62BITS.
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+ * grub-core/loader/powerpc/ieee1275/linux.c (grub_linux_load32),
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+ (grub_linux_load64): Mask out 2 high bits.
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+
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2013-04-19 Andrey Borzenkov <arvidjaar@gmail.com>
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* util/grub.d/30_os-prober.in: Add onstr to linux entries in one
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diff --git a/grub-core/kern/elfXX.c b/grub-core/kern/elfXX.c
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index b35e235..2e45449 100644
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--- a/grub-core/kern/elfXX.c
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+++ b/grub-core/kern/elfXX.c
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@@ -101,8 +101,20 @@ grub_elfXX_load (grub_elf_t elf, const char *filename,
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continue;
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load_addr = (grub_addr_t) phdr->p_paddr;
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- if (load_flags & GRUB_ELF_LOAD_FLAGS_28BITS)
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- load_addr &= 0xFFFFFFF;
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+ switch (load_flags & GRUB_ELF_LOAD_FLAGS_BITS)
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+ {
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+ case GRUB_ELF_LOAD_FLAGS_ALL_BITS:
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+ break;
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+ case GRUB_ELF_LOAD_FLAGS_28BITS:
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+ load_addr &= 0xFFFFFFF;
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+ break;
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+ case GRUB_ELF_LOAD_FLAGS_30BITS:
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+ load_addr &= 0x3FFFFFFF;
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+ break;
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+ case GRUB_ELF_LOAD_FLAGS_62BITS:
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+ load_addr &= 0x3FFFFFFFFFFFFFFFULL;
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+ break;
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+ }
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load_addr += (grub_addr_t) load_offset;
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if (load_addr < load_base)
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diff --git a/grub-core/loader/powerpc/ieee1275/linux.c b/grub-core/loader/powerpc/ieee1275/linux.c
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index cff4fd1..3356d51 100644
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--- a/grub-core/loader/powerpc/ieee1275/linux.c
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+++ b/grub-core/loader/powerpc/ieee1275/linux.c
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@@ -204,7 +204,7 @@ grub_linux_load32 (grub_elf_t elf, const char *filename)
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linux_addr = seg_addr;
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/* Now load the segments into the area we claimed. */
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- return grub_elf32_load (elf, filename, (void *) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_NONE, 0, 0);
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+ return grub_elf32_load (elf, filename, (void *) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_30BITS, 0, 0);
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}
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static grub_err_t
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@@ -238,7 +238,7 @@ grub_linux_load64 (grub_elf_t elf, const char *filename)
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linux_addr = seg_addr;
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/* Now load the segments into the area we claimed. */
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- return grub_elf64_load (elf, filename, (void *) (grub_addr_t) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_NONE, 0, 0);
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+ return grub_elf64_load (elf, filename, (void *) (grub_addr_t) (seg_addr - base_addr), GRUB_ELF_LOAD_FLAGS_62BITS, 0, 0);
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}
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static grub_err_t
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diff --git a/include/grub/elfload.h b/include/grub/elfload.h
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index f854d0b..9a7ae4e 100644
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--- a/include/grub/elfload.h
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+++ b/include/grub/elfload.h
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@@ -53,7 +53,11 @@ enum grub_elf_load_flags
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{
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GRUB_ELF_LOAD_FLAGS_NONE = 0,
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GRUB_ELF_LOAD_FLAGS_LOAD_PT_DYNAMIC = 1,
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+ GRUB_ELF_LOAD_FLAGS_BITS = 6,
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+ GRUB_ELF_LOAD_FLAGS_ALL_BITS = 0,
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GRUB_ELF_LOAD_FLAGS_28BITS = 2,
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+ GRUB_ELF_LOAD_FLAGS_30BITS = 4,
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+ GRUB_ELF_LOAD_FLAGS_62BITS = 6,
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};
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grub_err_t grub_elf32_load (grub_elf_t, const char *filename,
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void *load_offset, enum grub_elf_load_flags flags, grub_addr_t *,
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--
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1.8.2.1
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