From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:29:51 +0200 Subject: Adding upstream version 2.06. Signed-off-by: Daniel Baumann --- grub-core/kern/i386/xen/hypercall.S | 43 +++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 grub-core/kern/i386/xen/hypercall.S (limited to 'grub-core/kern/i386/xen/hypercall.S') diff --git a/grub-core/kern/i386/xen/hypercall.S b/grub-core/kern/i386/xen/hypercall.S new file mode 100644 index 0000000..09d75c3 --- /dev/null +++ b/grub-core/kern/i386/xen/hypercall.S @@ -0,0 +1,43 @@ +/* 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 . + */ + +#include +#include + +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 + ret -- cgit v1.2.3