diff options
Diffstat (limited to 'grub-core/kern/x86_64/xen')
| -rw-r--r-- | grub-core/kern/x86_64/xen/hypercall.S | 53 | ||||
| -rw-r--r-- | grub-core/kern/x86_64/xen/startup.S | 39 |
2 files changed, 92 insertions, 0 deletions
diff --git a/grub-core/kern/x86_64/xen/hypercall.S b/grub-core/kern/x86_64/xen/hypercall.S new file mode 100644 index 0000000..9b04db6 --- /dev/null +++ b/grub-core/kern/x86_64/xen/hypercall.S @@ -0,0 +1,53 @@ +/* hypercall.S - wrappers for Xen hypercalls */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2011 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_sched_op) + movq $__HYPERVISOR_sched_op, %rax + syscall + ret + +FUNCTION(grub_xen_event_channel_op) + movq $__HYPERVISOR_event_channel_op, %rax + syscall + ret + +FUNCTION(grub_xen_update_va_mapping) + movq $__HYPERVISOR_update_va_mapping, %rax + syscall + ret + +FUNCTION(grub_xen_mmuext_op) + movq %rcx, %r10 + movq $__HYPERVISOR_mmuext_op, %rax + syscall + ret + +FUNCTION(grub_xen_grant_table_op) + movq $__HYPERVISOR_grant_table_op, %rax + syscall + ret + +FUNCTION(grub_xen_mmu_update) + movq %rcx, %r10 + movq $__HYPERVISOR_mmu_update, %rax + syscall + ret diff --git a/grub-core/kern/x86_64/xen/startup.S b/grub-core/kern/x86_64/xen/startup.S new file mode 100644 index 0000000..21a139f --- /dev/null +++ b/grub-core/kern/x86_64/xen/startup.S @@ -0,0 +1,39 @@ +/* startup.S - bootstrap GRUB itself */ +/* + * 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 <config.h> +#include <grub/symbol.h> + + .file "startup.S" + .text + .globl start, _start + .code64 + +start: +_start: + leaq LOCAL(stack_end), %rsp + movq %rsi, EXT_C(grub_xen_start_page_addr)(%rip) + + andq $~0xf, %rsp + call EXT_C(grub_main) + /* Doesn't return. */ + + .bss + .space (1 << 22) +LOCAL(stack_end): |