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Revert "kexec-tools: Remove unused patch"

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This reverts commit ec1f1c4abe.

(From OE-Core rev: c53a609eae3023d2e2b1009c65721db97fd7b095)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Aníbal Limón
2017-04-19 16:30:06 -05:00
committed by Richard Purdie
parent 03f4eb4ebe
commit becf5aeefc
1 changed files with 88 additions and 0 deletions
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meta/recipes-kernel/kexec/kexec-tools/kexec-x32.patch
+88
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@@ -0,0 +1,88 @@
x86_64: Add support to build kexec-tools with x32 ABI
Summary of changes,
configure.ac: Add test for detect x32 ABI.
purgatory/arch/x86_64/Makefile: Not use mcmodel large when
x32 ABI is set.
kexec/arch/x86_64/kexec-elf-rel-x86_64.c: When x32 ABI is set
use ELFCLASS32 instead of ELFCLASS64.
kexec/kexec-syscall.h: Add correct syscall number for x32 ABI.
Upstream-Status: Submitted
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
---
configure.ac | 9 +++++++++
kexec/arch/x86_64/kexec-elf-rel-x86_64.c | 4 ++++
kexec/kexec-syscall.h | 4 ++++
purgatory/arch/x86_64/Makefile | 4 +++-
4 files changed, 20 insertions(+), 1 deletion(-)
Index: kexec-tools-2.0.10/configure.ac
===================================================================
--- kexec-tools-2.0.10.orig/configure.ac
+++ kexec-tools-2.0.10/configure.ac
@@ -56,6 +56,15 @@ case $target_cpu in
;;
ia64|x86_64|alpha|m68k )
ARCH="$target_cpu"
+
+ dnl ---Test for x32 ABI in x86_64
+ if test "x$ARCH" = "xx86_64" ; then
+ AC_EGREP_CPP(x32_test,
+ [#if defined(__x86_64__) && defined (__ILP32__)
+ x32_test
+ #endif
+ ], SUBARCH='x32', SUBARCH='64')
+ fi
;;
* )
AC_MSG_ERROR([unsupported architecture $target_cpu])
Index: kexec-tools-2.0.10/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
===================================================================
--- kexec-tools-2.0.10.orig/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
+++ kexec-tools-2.0.10/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
@@ -8,7 +8,11 @@ int machine_verify_elf_rel(struct mem_eh
if (ehdr->ei_data != ELFDATA2LSB) {
return 0;
}
+#ifdef __ILP32__
+ if (ehdr->ei_class != ELFCLASS32) {
+#else
if (ehdr->ei_class != ELFCLASS64) {
+#endif
return 0;
}
if (ehdr->e_machine != EM_X86_64) {
Index: kexec-tools-2.0.10/kexec/kexec-syscall.h
===================================================================
--- kexec-tools-2.0.10.orig/kexec/kexec-syscall.h
+++ kexec-tools-2.0.10/kexec/kexec-syscall.h
@@ -31,8 +31,12 @@
#define __NR_kexec_load 268
#endif
#ifdef __x86_64__
+#ifdef __ILP32__
+#define __NR_kexec_load 528
+#else
#define __NR_kexec_load 246
#endif
+#endif
#ifdef __s390x__
#define __NR_kexec_load 277
#endif
Index: kexec-tools-2.0.10/purgatory/arch/x86_64/Makefile
===================================================================
--- kexec-tools-2.0.10.orig/purgatory/arch/x86_64/Makefile
+++ kexec-tools-2.0.10/purgatory/arch/x86_64/Makefile
@@ -23,4 +23,6 @@ x86_64_PURGATORY_SRCS += purgatory/arch/
x86_64_PURGATORY_SRCS += purgatory/arch/i386/vga.c
x86_64_PURGATORY_SRCS += purgatory/arch/i386/pic.c
-x86_64_PURGATORY_EXTRA_CFLAGS = -mcmodel=large
+ifeq ($(SUBARCH),64)
+ x86_64_PURGATORY_EXTRA_CFLAGS = -mcmodel=large
+endif