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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/kern/i386/xen/hypercall.S | |
parent | Initial commit. (diff) | |
download | grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.tar.xz grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/kern/i386/xen/hypercall.S')
-rw-r--r-- | grub-core/kern/i386/xen/hypercall.S | 43 |
1 files changed, 43 insertions, 0 deletions
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 <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 + ret |