kexec-tools-klibc: sync patches with oe-core

Following patches have been imported:

 0001-Disable-PIE-during-link.patch
 0001-purgatory-Pass-r-directly-to-linker.patch
The two above are in the now modified
 0011-purgatory-Makefile-adapt-to-klcc.patch

These two have been imported and renamed:
0002-powerpc-change-the-memory-size-limit.patch
0010-kexec-ARM-Fix-add_buffer_phys_virt-align-issue.patch

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/arm_crashdump-fix-buffer-align.patch b/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/arm_crashdump-fix-buffer-align.patch
new file mode 100644
index 000000000..c6afdfae7
--- /dev/null
+++ b/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/arm_crashdump-fix-buffer-align.patch
@@ -0,0 +1,44 @@
+From 06b0d43c20f7c6200902d4c6db3d33416877f71c Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Sun, 26 Aug 2018 21:40:06 +0200
+Subject: [PATCH 1/1] arm- backport from oe-core
+
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+---
+ kexec/arch/arm/crashdump-arm.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/kexec/arch/arm/crashdump-arm.c b/kexec/arch/arm/crashdump-arm.c
+index 2530b29..af2600d 100644
+--- a/kexec/arch/arm/crashdump-arm.c
++++ b/kexec/arch/arm/crashdump-arm.c
+@@ -240,6 +240,7 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
+        void *buf;
+        int err;
+        int last_ranges;
++       unsigned short align_bit_shift = 20;
+ 
+        /*
+         * First fetch all the memory (RAM) ranges that we are going to pass to
+@@ -281,6 +282,7 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
+ 
+                /* for support LPAE enabled kernel*/
+                elf_info.class = ELFCLASS64;
++               align_bit_shift = 21;
+ 
+                err = crash_create_elf64_headers(info, &elf_info,
+                                         usablemem_rgns.ranges,
+@@ -302,8 +304,9 @@ int load_crashdump_segments(struct kexec_info *info, char *mod_cmdline)
+         * 1MB) so that available memory passed in kernel command line will be
+         * aligned to 1MB. This is because kernel create_mapping() wants memory
+         * regions to be aligned to SECTION_SIZE.
++        * The SECTION_SIZE of LPAE kernel is '1UL << 21' defined in pgtable-3level.h
+         */
+-       elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 1 << 20,
++       elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 1 << align_bit_shift,
+                                          crash_kernel_mem.start,
+                                          crash_kernel_mem.end, -1, 0);
+ 
+-- 
+2.7.4
+