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/*
* HVM OVMF UEFI support.
*
* Bei Guan, gbtju85@gmail.com
* Andrei Warkentin, andreiw@motorola.com
* Leendert van Doorn, leendert@watson.ibm.com
* Copyright (c) 2005, International Business Machines Corporation.
* Copyright (c) 2006, Keir Fraser, XenSource Inc.
* Copyright (c) 2011, Citrix Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*/
#include "config.h"
#include "smbios_types.h"
#include "acpi/acpi2_0.h"
#include "apic_regs.h"
#include "../rombios/config.h"
#include "util.h"
#include "pci_regs.h"
#include "hypercall.h"
#include <xen/hvm/params.h>
#include <xen/hvm/ioreq.h>
#include <xen/memory.h>
#define ROM_INCLUDE_OVMF
#include "roms.inc"
#define OVMF_BEGIN 0xFFF00000ULL
#define OVMF_SIZE 0x00100000ULL
#define OVMF_MAXOFFSET 0x000FFFFFULL
#define OVMF_END (OVMF_BEGIN + OVMF_SIZE)
#define LOWCHUNK_BEGIN 0x000F0000
#define LOWCHUNK_SIZE 0x00010000
#define LOWCHUNK_MAXOFFSET 0x0000FFFF
#define LOWCHUNK_END (OVMF_BEGIN + OVMF_SIZE)
extern unsigned char dsdt_anycpu[];
extern int dsdt_anycpu_len;
static void ovmf_load(const struct bios_config *config)
{
xen_pfn_t mfn;
uint64_t addr = OVMF_BEGIN;
/* Copy low-reset vector portion. */
memcpy((void *) LOWCHUNK_BEGIN, (uint8_t *) config->image
+ OVMF_SIZE
- LOWCHUNK_SIZE,
LOWCHUNK_SIZE);
/* Ensure we have backing page prior to moving FD. */
while ( (addr >> PAGE_SHIFT) != (OVMF_END >> PAGE_SHIFT) )
{
mfn = (uint32_t) (addr >> PAGE_SHIFT);
addr += PAGE_SIZE;
mem_hole_populate_ram(mfn, 1);
}
/* Copy FD. */
memcpy((void *) OVMF_BEGIN, config->image, OVMF_SIZE);
}
static void ovmf_acpi_build_tables(void)
{
struct acpi_config config = {
.dsdt_anycpu = dsdt_anycpu,
.dsdt_anycpu_len = dsdt_anycpu_len,
.dsdt_15cpu = NULL,
.dsdt_15cpu_len = 0
};
acpi_build_tables(&config, ACPI_PHYSICAL_ADDRESS);
}
static void ovmf_create_smbios_tables(void)
{
hvm_write_smbios_tables(
SMBIOS_PHYSICAL_ADDRESS,
SMBIOS_PHYSICAL_ADDRESS + sizeof(struct smbios_entry_point),
SMBIOS_PHYSICAL_END);
}
struct bios_config ovmf_config = {
.name = "OVMF",
.image = ovmf,
.image_size = sizeof(ovmf),
.bios_address = 0,
.bios_load = ovmf_load,
.load_roms = 0,
.bios_info_setup = NULL,
.bios_info_finish = NULL,
.e820_setup = NULL,
.acpi_build_tables = ovmf_acpi_build_tables,
.create_mp_tables = NULL,
.create_smbios_tables = ovmf_create_smbios_tables,
.create_pir_tables = NULL,
};
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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