vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Fix efiemu.

Browse source 
* grub-core/efiemu/runtime/efiemu.c: explicitly include right
	cpu/types.h.
	(efiemu_set_virtual_address_map): Remove UINT_TO_PTR.
	* configure.ac: Fix efiemu check.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2012-01-13 15:12:28 +01:00
parent 3c76ea0c2c
commit 30c7d3ce34
3 changed files with 53 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
ChangeLog
View file

@ -1,3 +1,12 @@
2012-01-13 Vladimir Serbinenko <phcoder@gmail.com>
Fix efiemu.
* grub-core/efiemu/runtime/efiemu.c: explicitly include right
cpu/types.h.
(efiemu_set_virtual_address_map): Remove UINT_TO_PTR.
* configure.ac: Fix efiemu check.
2012-01-13 Vladimir Serbinenko <phcoder@gmail.com>
* util/grub.d/30_os-prober.in: Fix occurence of grub-probe instead of

67
configure.ac
View file

@ -477,6 +477,40 @@ case "${host_os}" in
esac
AC_MSG_RESULT([$TARGET_OBJ2ELF])
AC_ARG_ENABLE([efiemu],
[AS_HELP_STRING([--enable-efiemu],
[build and install the efiemu runtimes (default=guessed)])])
if test x"$enable_efiemu" = xno ; then
efiemu_excuse="explicitly disabled"
fi
if test x"$target_cpu" != xi386 ; then
efiemu_excuse="only available on i386"
fi
if test x"$platform" = xefi ; then
efiemu_excuse="not available on efi"
fi
if test x"$efiemu_excuse" = x ; then
AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
CFLAGS="$CFLAGS -m64 -mcmodel=large -mno-red-zone -nostdlib"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_efiemu=yes],
[grub_cv_cc_efiemu=no])
])
if test x$grub_cv_cc_efiemu = xno; then
efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
fi
fi
if test x"$enable_efiemu" = xyes && test x"$efiemu_excuse" != x ; then
AC_MSG_ERROR([efiemu runtime was explicitly requested but can't be compiled])
fi
if test x"$efiemu_excuse" = x ; then
enable_efiemu=yes
else
enable_efiemu=no
fi
AC_SUBST([enable_efiemu])
if test "x$target_m32" = x1; then
# Force 32-bit mode.
TARGET_CFLAGS="$TARGET_CFLAGS -m32"
@ -636,39 +670,6 @@ if test "x$target_cpu" = xi386; then
grub_I386_ASM_ADDR32
fi
AC_ARG_ENABLE([efiemu],
[AS_HELP_STRING([--enable-efiemu],
[build and install the efiemu runtimes (default=guessed)])])
if test x"$enable_efiemu" = xno ; then
efiemu_excuse="explicitly disabled"
fi
if test x"$target_cpu" != xi386 ; then
efiemu_excuse="only available on i386"
fi
if test x"$platform" = xefi ; then
efiemu_excuse="not available on efi"
fi
if test x"$efiemu_excuse" = x ; then
AC_CACHE_CHECK([whether options required for efiemu work], grub_cv_cc_efiemu, [
CFLAGS="$CFLAGS -m64 -mcmodel=large -mno-red-zone -nostdlib"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],
[grub_cv_cc_efiemu=yes],
[grub_cv_cc_efiemu=no])
])
if test x$grub_cv_cc_efiemu = xno; then
efiemu_excuse="cannot compile with -m64 -mcmodel=large -mno-red-zone -nostdlib"
fi
fi
if test x"$enable_efiemu" = xyes && test x"$efiemu_excuse" != x ; then
AC_MSG_ERROR([efiemu runtime was explicitly requested but can't be compiled])
fi
if test x"$efiemu_excuse" = x ; then
enable_efiemu=yes
else
enable_efiemu=no
fi
AC_SUBST([enable_efiemu])
if test "$platform" != emu; then
AC_CACHE_CHECK([whether -nostdinc -isystem works], [grub_cv_cc_isystem], [
SAVED_CPPFLAGS="$CPPFLAGS"

14
grub-core/efiemu/runtime/efiemu.c
View file

@ -21,6 +21,12 @@
As it emulates only runtime serviceit isn't able
to chainload EFI bootloader on non-EFI system (TODO) */
#ifdef __i386__
#include <grub/i386/types.h>
#else
#include <grub/x86_64/types.h>
#endif
#include <grub/symbol.h>
#include <grub/types.h>
#include <grub/efi/api.h>
@ -369,16 +375,16 @@ grub_efi_status_t EFI_FUNC
switch (cur_relloc->size)
{
case 8:
*((grub_uint64_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
*((grub_uint64_t *) (grub_addr_t) cur_relloc->addr) += corr;
break;
case 4:
*((grub_uint32_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
*((grub_uint32_t *) (grub_addr_t) cur_relloc->addr) += corr;
break;
case 2:
*((grub_uint16_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
*((grub_uint16_t *) (grub_addr_t) cur_relloc->addr) += corr;
break;
case 1:
*((grub_uint8_t *) UINT_TO_PTR (cur_relloc->addr)) += corr;
*((grub_uint8_t *) (grub_addr_t) cur_relloc->addr) += corr;
break;
}
}