Add the hooks to current code needed for Xen PVH. They will be filled with code later when the related functionality is being added.
Signed-off-by: Juergen Gross <jgr...@suse.com> --- V3: xenpvh->xen_pvh (Daniel Kiper) adjust copyright date (Roger Pau Monné) --- grub-core/kern/i386/xen/pvh.c | 36 +++++++++++++++++++++++++++++++++++ grub-core/kern/i386/xen/startup_pvh.S | 29 ++++++++++++++++++++++++++++ grub-core/kern/xen/init.c | 6 ++++++ grub-core/loader/i386/linux.c | 1 + include/grub/i386/xen_pvh/kernel.h | 30 +++++++++++++++++++++++++++++ include/grub/xen.h | 6 ++++++ 6 files changed, 108 insertions(+) create mode 100644 grub-core/kern/i386/xen/pvh.c create mode 100644 grub-core/kern/i386/xen/startup_pvh.S create mode 100644 include/grub/i386/xen_pvh/kernel.h diff --git a/grub-core/kern/i386/xen/pvh.c b/grub-core/kern/i386/xen/pvh.c new file mode 100644 index 000000000..ac6181f4e --- /dev/null +++ b/grub-core/kern/i386/xen/pvh.c @@ -0,0 +1,36 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2018 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/kernel.h> +#include <grub/misc.h> +#include <grub/memory.h> +#include <grub/mm.h> +#include <grub/xen.h> +#include <grub/machine/kernel.h> + +grub_uint64_t grub_rsdp_addr; + +void +grub_xen_setup_pvh (void) +{ +} + +grub_err_t +grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data) +{ +} diff --git a/grub-core/kern/i386/xen/startup_pvh.S b/grub-core/kern/i386/xen/startup_pvh.S new file mode 100644 index 000000000..69b8fdcca --- /dev/null +++ b/grub-core/kern/i386/xen/startup_pvh.S @@ -0,0 +1,29 @@ +/* startup.S - bootstrap GRUB itself */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2018 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_pvh.S" + .text + +/* Saved pointer to start info structure. */ + .globl pvh_start_info +pvh_start_info: + .long 0 diff --git a/grub-core/kern/xen/init.c b/grub-core/kern/xen/init.c index 10007b411..782ca7295 100644 --- a/grub-core/kern/xen/init.c +++ b/grub-core/kern/xen/init.c @@ -45,6 +45,8 @@ grub_xen_ptr2mfn (void *ptr) grub_xen_mfn_t *mfn_list = (grub_xen_mfn_t *) grub_xen_start_page_addr->mfn_list; return mfn_list[(grub_addr_t) ptr >> GRUB_XEN_LOG_PAGE_SIZE]; +#else + return (grub_addr_t) ptr >> GRUB_XEN_LOG_PAGE_SIZE; #endif } @@ -562,6 +564,10 @@ grub_machine_init (void) + GRUB_KERNEL_MACHINE_MOD_GAP, GRUB_KERNEL_MACHINE_MOD_ALIGN); +#ifdef GRUB_MACHINE_XEN_PVH + grub_xen_setup_pvh (); +#endif + grub_xen_setup_gnttab (); #ifdef GRUB_MACHINE_XEN diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c index 51920896e..f96309476 100644 --- a/grub-core/loader/i386/linux.c +++ b/grub-core/loader/i386/linux.c @@ -35,6 +35,7 @@ #include <grub/i18n.h> #include <grub/lib/cmdline.h> #include <grub/linux.h> +#include <grub/machine/kernel.h> GRUB_MOD_LICENSE ("GPLv3+"); diff --git a/include/grub/i386/xen_pvh/kernel.h b/include/grub/i386/xen_pvh/kernel.h new file mode 100644 index 000000000..2b7b8a129 --- /dev/null +++ b/include/grub/i386/xen_pvh/kernel.h @@ -0,0 +1,30 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2018 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/>. + */ + +#ifndef GRUB_KERNEL_MACHINE_HEADER +#define GRUB_KERNEL_MACHINE_HEADER 1 + +#ifndef ASM_FILE + +#define GRUB_KERNEL_USE_RSDP_ADDR 1 + +extern grub_uint64_t EXPORT_VAR(grub_rsdp_addr); + +#endif /* ! ASM_FILE */ + +#endif /* GRUB_KERNEL_MACHINE_HEADER */ diff --git a/include/grub/xen.h b/include/grub/xen.h index c31cc10c7..4cb2c8f43 100644 --- a/include/grub/xen.h +++ b/include/grub/xen.h @@ -43,6 +43,7 @@ typedef grub_uint64_t uint64_t; #include <xen/sched.h> #include <xen/grant_table.h> +#include <xen/hvm/start_info.h> #include <xen/io/console.h> #include <xen/io/xs_wire.h> #include <xen/io/xenbus.h> @@ -95,6 +96,11 @@ typedef grub_uint64_t grub_xen_mfn_t; typedef grub_uint32_t grub_xen_mfn_t; #endif typedef unsigned int grub_xen_evtchn_t; + +#ifdef GRUB_MACHINE_XEN_PVH +extern struct hvm_start_info *pvh_start_info; +void grub_xen_setup_pvh (void); +#endif #endif #endif -- 2.16.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel