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Attilio Rao
0c2dccd724
- Remove the 15cpus hack from ovmf because it should be unnecessary on nowadays windows/EFI supported. Signed-off-by: Attilio Rao <attilio.rao@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Committed-by: Keir Fraser <keir@xen.org>
127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/*
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* HVM OVMF UEFI support.
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*
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* Bei Guan, gbtju85@gmail.com
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* Andrei Warkentin, andreiw@motorola.com
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* Leendert van Doorn, leendert@watson.ibm.com
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* Copyright (c) 2005, International Business Machines Corporation.
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* Copyright (c) 2006, Keir Fraser, XenSource Inc.
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* Copyright (c) 2011, Citrix Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place - Suite 330, Boston, MA 02111-1307 USA.
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*/
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#include "config.h"
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#include "smbios_types.h"
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#include "acpi/acpi2_0.h"
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#include "apic_regs.h"
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#include "../rombios/config.h"
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#include "util.h"
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#include "pci_regs.h"
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#include "hypercall.h"
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#include <xen/hvm/params.h>
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#include <xen/hvm/ioreq.h>
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#include <xen/memory.h>
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#define ROM_INCLUDE_OVMF
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#include "roms.inc"
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#define OVMF_BEGIN 0xFFF00000ULL
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#define OVMF_SIZE 0x00100000ULL
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#define OVMF_MAXOFFSET 0x000FFFFFULL
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#define OVMF_END (OVMF_BEGIN + OVMF_SIZE)
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#define LOWCHUNK_BEGIN 0x000F0000
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#define LOWCHUNK_SIZE 0x00010000
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#define LOWCHUNK_MAXOFFSET 0x0000FFFF
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#define LOWCHUNK_END (OVMF_BEGIN + OVMF_SIZE)
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extern unsigned char dsdt_anycpu[];
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extern int dsdt_anycpu_len;
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static void ovmf_load(const struct bios_config *config)
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{
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xen_pfn_t mfn;
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uint64_t addr = OVMF_BEGIN;
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/* Copy low-reset vector portion. */
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memcpy((void *) LOWCHUNK_BEGIN, (uint8_t *) config->image
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+ OVMF_SIZE
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- LOWCHUNK_SIZE,
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LOWCHUNK_SIZE);
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/* Ensure we have backing page prior to moving FD. */
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while ( (addr >> PAGE_SHIFT) != (OVMF_END >> PAGE_SHIFT) )
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{
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mfn = (uint32_t) (addr >> PAGE_SHIFT);
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addr += PAGE_SIZE;
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mem_hole_populate_ram(mfn, 1);
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}
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/* Copy FD. */
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memcpy((void *) OVMF_BEGIN, config->image, OVMF_SIZE);
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}
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static void ovmf_acpi_build_tables(void)
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{
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struct acpi_config config = {
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.dsdt_anycpu = dsdt_anycpu,
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.dsdt_anycpu_len = dsdt_anycpu_len,
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.dsdt_15cpu = NULL,
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.dsdt_15cpu_len = 0
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};
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acpi_build_tables(&config, ACPI_PHYSICAL_ADDRESS);
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}
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static void ovmf_create_smbios_tables(void)
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{
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hvm_write_smbios_tables(
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SMBIOS_PHYSICAL_ADDRESS,
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SMBIOS_PHYSICAL_ADDRESS + sizeof(struct smbios_entry_point),
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SMBIOS_PHYSICAL_END);
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}
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struct bios_config ovmf_config = {
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.name = "OVMF",
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.image = ovmf,
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.image_size = sizeof(ovmf),
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.bios_address = 0,
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.bios_load = ovmf_load,
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.load_roms = 0,
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.bios_info_setup = NULL,
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.bios_info_finish = NULL,
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.e820_setup = NULL,
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.acpi_build_tables = ovmf_acpi_build_tables,
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.create_mp_tables = NULL,
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.create_smbios_tables = ovmf_create_smbios_tables,
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.create_pir_tables = NULL,
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};
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/*
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* Local variables:
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* mode: C
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* c-set-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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