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Add new ports: i386-xen and x86_64-xen. This allows running GRUB in

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XEN PV environment and load kernels.
This commit is contained in:
Vladimir Serbinenko 2013-11-09 21:29:11 +01:00
parent 1a46a3a4b3
commit 9612ebc00e
59 changed files with 4167 additions and 259 deletions
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43
grub-core/kern/i386/xen/hypercall.S Normal file
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/* hypercall.S - wrappers for Xen hypercalls */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2013 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/symbol.h>
#include <grub/xen.h>
FUNCTION(grub_xen_hypercall)
pushl %ebp
movl %esp, %ebp
pushl %esi
pushl %edi
pushl %ebx
/* call number already in %eax. */
/* %edx -> %ebx*/
/* %ecx -> %ecx*/
movl %edx, %ebx
movl 8(%ebp), %edx
movl 12(%ebp), %esi
movl 16(%ebp), %edi
movl 20(%ebp), %ebp
int $0x82
popl %ebx
popl %edi
popl %esi
popl %ebp
retl $16