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[Xen-devel] [PATCH] Enable UEFI BIOS(OVMF) support in Xen-unstable HVM



Hi,

My name is Bei Guan and I am one of this year's GSOS students for Tianocore. My project is to enable Xen support in OVMF and the following is about my patch for Xen-unstable. Could you give me some comments? Thank you very much.

This patch can enable Xen-unstable hvmloader to load OVMF BIOS as Xen HVM UEFI support. It supports OVMF BIOS in IA32 and X86 environment. The loaded OVMF BIOS can get Xen SMBIOS and ACPI tables contents inside itself.

In order to be clear, I divide the patch into three parts:
ovmf_xen_support.patch   Enable Xen hvmloader to load OVMF
ovmf_firmware.patch        OVMF binary files
ovmf_xl_xend.patch         Add hvmloader/bios xenstore key in libxl and xend

Usage:
Add an option field in HVM config file.
# OVMF support. When enabled, hvmloader can load OVMF bios of IA32("ovmf-ia32") and X64("ovmf-x64")
hvmbios = "ovmf-ia32"
#hvmbios = "ovmf-x64"

Note:
You should enable the HVM guest ACPI: acpi=1
You can use the OVMF to boot into a UEFI-aware OS, such as ubuntu-10.10-desktop-amd64.iso. Just set the "disk" option like this:
disk = [ 'file:/root/<img_name>.img,ioemu:hda,w', 'file:/root/ubuntu-10.10-desktop-amd64.iso,hdc:cdrom,r' ]

ovmf_xen_support.patch:
------

# HG changeset patch
# User gbtju85@xxxxxxxxx
#

diff -r e298ce67777e tools/firmware/hvmloader/Makefile
--- a/tools/firmware/hvmloader/Makefile    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/firmware/hvmloader/Makefile    Fri Jul 22 23:00:20 2011 +0800
@@ -43,6 +43,19 @@
 CFLAGS += -DENABLE_ROMBIOS
 ROMBIOS_ROM := $(ROMBIOS_DIR)/BIOS-bochs-latest
 endif
+OVMF_DIR :=  ../ovmf
+OVMF32_ROM := $(OVMF_DIR)/ovmf-ia32.bin
+OVMF64_ROM := $(OVMF_DIR)/ovmf-x64.bin
+OVMF32_CIRRUS_VGA_ROM := $(OVMF_DIR)/ovmf-ia32-cirrus-vga.bin
+OVMF64_CIRRUS_VGA_ROM := $(OVMF_DIR)/ovmf-x64-cirrus-vga.bin
+
+ifneq ($(OVMF32_ROM),)
+OBJS += ovmf.o
+endif
+
+ifneq ($(OVMF64_ROM),)
+OBJS += ovmf.o
+endif
 
 ifneq ($(SEABIOS_DIR),)
 OBJS += seabios.o
@@ -69,7 +82,7 @@
     $(OBJCOPY) hvmloader.tmp hvmloader
     rm -f hvmloader.tmp
 
-roms.inc: $(ROMBIOS_ROM) $(SEABIOS_ROM) $(STDVGA_ROM) $(CIRRUSVGA_ROM) ../etherboot/eb-roms.h
+roms.inc: $(ROMBIOS_ROM) $(SEABIOS_ROM) $(STDVGA_ROM) $(CIRRUSVGA_ROM) $(OVMF32_ROM) $(OVMF64_ROM) $(OVMF32_CIRRUS_VGA_ROM) $(OVMF64_CIRRUS_VGA_ROM) ../etherboot/eb-roms.h
     echo "/* Autogenerated file. DO NOT EDIT */" > $@.new
 
 ifneq ($(ROMBIOS_ROM),)
@@ -84,6 +97,30 @@
     echo "#endif" >> $@.new
 endif
 
+ifneq ($(OVMF32_ROM),)
+    echo "#ifdef ROM_INCLUDE_OVMF32" >> $@.new
+    sh ./mkhex ovmf32 $(OVMF32_ROM) >> $@.new
+    echo "#endif" >> $@.new   
+endif
+
+ifneq ($(OVMF64_ROM),)
+    echo "#ifdef ROM_INCLUDE_OVMF64" >> $@.new
+    sh ./mkhex ovmf64 $(OVMF64_ROM) >> $@.new
+    echo "#endif" >> $@.new   
+endif
+
+ifneq ($(OVMF32_CIRRUS_VGA_ROM),)
+    echo "#ifdef ROM_INCLUDE_OVMF32_CIRRUS_VGA" >> $@.new
+    sh ./mkhex ovmf32_cirrus_vga $(OVMF32_CIRRUS_VGA_ROM) >> $@.new
+    echo "#endif" >> $@.new
+endif
+
+ifneq ($(OVMF64_CIRRUS_VGA_ROM),)
+    echo "#ifdef ROM_INCLUDE_OVMF64_CIRRUS_VGA" >> $@.new
+    sh ./mkhex ovmf64_cirrus_vga $(OVMF64_CIRRUS_VGA_ROM) >> $@.new
+    echo "#endif" >> $@.new   
+endif
+
 ifneq ($(STDVGA_ROM),)
     echo "#ifdef ROM_INCLUDE_VGABIOS" >> $@.new
     sh ./mkhex vgabios_stdvga $(STDVGA_ROM) >> $@.new
diff -r e298ce67777e tools/firmware/hvmloader/config.h
--- a/tools/firmware/hvmloader/config.h    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/firmware/hvmloader/config.h    Fri Jul 22 23:00:20 2011 +0800
@@ -3,7 +3,7 @@
 
 #include <stdint.h>
 
-enum virtual_vga { VGA_none, VGA_std, VGA_cirrus, VGA_pt };
+enum virtual_vga { VGA_none, VGA_std, VGA_cirrus, VGA_pt, VGA_custom };
 extern enum virtual_vga virtual_vga;
 
 struct bios_config {
@@ -16,6 +16,9 @@
     /* Physical address to load at */
     unsigned int bios_address;
 
+    /* Custom load function. */
+    void (*load)(const struct bios_config *config);
+    void (*pci_setup)(void);
     /* ROMS */
     int load_roms;
     unsigned int optionrom_start, optionrom_end;
@@ -36,6 +39,8 @@
 
 extern struct bios_config rombios_config;
 extern struct bios_config seabios_config;
+extern struct bios_config ovmf32_config;
+extern struct bios_config ovmf64_config;
 
 #define PAGE_SHIFT 12
 #define PAGE_SIZE  (1ul << PAGE_SHIFT)
diff -r e298ce67777e tools/firmware/hvmloader/hvmloader.c
--- a/tools/firmware/hvmloader/hvmloader.c    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/firmware/hvmloader/hvmloader.c    Fri Jul 22 23:00:20 2011 +0800
@@ -360,6 +360,8 @@
 #ifdef ENABLE_SEABIOS
     { "seabios", &seabios_config, },
 #endif
+    { "ovmf-ia32", &ovmf32_config, },
+    { "ovmf-x64", &ovmf64_config, },
     { NULL, NULL }
 };
 
@@ -416,9 +418,13 @@
         bios->create_smbios_tables();
     }
 
-    printf("Loading %s ...\n", bios->name);
-    memcpy((void *)bios->bios_address, bios->image,
-           bios->image_size);
+    if (bios->load) {
+        bios->load(bios);
+    } else {
+        printf("Loading %s ...\n", bios->name);
+        memcpy((void *)bios->bios_address, bios->image,
+               bios->image_size);
+    }
 
     if (bios->bios_relocate)
         bios->bios_relocate();
@@ -451,8 +457,10 @@
             vgabios_sz = round_option_rom(
                 (*(uint8_t *)(VGABIOS_PHYSICAL_ADDRESS+2)) * 512);
             break;
+        case VGA_custom:
+            break;
         default:
-            printf("No emulated VGA adaptor ...\n");
+            printf("No emulated VGA adaptor ROM...\n");
             break;
         }
 
diff -r e298ce67777e tools/firmware/hvmloader/ovmf.c
--- /dev/null    Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/firmware/hvmloader/ovmf.c    Fri Jul 22 23:00:20 2011 +0800
@@ -0,0 +1,189 @@
+/*
+ * HVM OVMF UEFI support.
+ *
+ * Bei Guan, gbtju85@xxxxxxxxx
+ * Andrei Warkentin, andreiw@xxxxxxxxxxxx
+ * Leendert van Doorn, leendert@xxxxxxxxxxxxxx
+ * 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_OVMF32
+#define ROM_INCLUDE_OVMF64
+#define ROM_INCLUDE_OVMF32_CIRRUS_VGA
+#define ROM_INCLUDE_OVMF64_CIRRUS_VGA
+#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)
+
+/*
+ * Set up an empty TSS area for virtual 8086 mode to use.
+ * The only important thing is that it musn't have any bits set
+ * in the interrupt redirection bitmap, so all zeros will do.
+ */
+static void ovmf_init_vm86_tss(void)
+{
+    void *tss;
+    struct xen_hvm_param p;
+
+    tss = mem_alloc(128, 128);
+    memset(tss, 0, 128);
+    p.domid = DOMID_SELF;
+    p.index = HVM_PARAM_VM86_TSS;
+    p.value = virt_to_phys(tss);
+    hypercall_hvm_op(HVMOP_set_param, &p);
+    printf("vm86 TSS at %08lx\n", virt_to_phys(tss));
+}
+
+static void ovmf_load(const struct bios_config *config)
+{
+    xen_pfn_t mfn;
+    uint64_t addr = OVMF_BEGIN;
+
+    virtual_vga = VGA_custom;
+
+    /* Copy video ROM. */
+    if (config == &ovmf32_config) {
+        memcpy((void *)VGABIOS_PHYSICAL_ADDRESS,
+               ovmf32_cirrus_vga, sizeof(ovmf32_cirrus_vga));
+        printf("OVMF32 Cirrus [0x%x-0x%x]\n", VGABIOS_PHYSICAL_ADDRESS,
+               VGABIOS_PHYSICAL_ADDRESS + sizeof(ovmf32_cirrus_vga));
+    } else if (config == &ovmf64_config) {
+        memcpy((void *)VGABIOS_PHYSICAL_ADDRESS,
+               ovmf64_cirrus_vga, sizeof(ovmf64_cirrus_vga));
+        printf("OVMF64 Cirrus [0x%x-0x%x]\n", VGABIOS_PHYSICAL_ADDRESS,
+               VGABIOS_PHYSICAL_ADDRESS + sizeof(ovmf64_cirrus_vga));
+    }
+
+    /* 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;
+
+        BUG_ON(mem_back_ram(mfn));
+    }
+
+    printf("Initialized FD backing pages...\n");
+
+    /* Copy FD. */
+    memcpy((void *) OVMF_BEGIN, config->image, OVMF_SIZE);
+    printf("Load complete!\n");
+}
+
+static void ovmf_acpi_build_tables(void)
+{
+    acpi_build_tables(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 ovmf32_config =  {
+    .name = "OVMF-IA32",
+
+    .image = ovmf32,
+    .image_size = sizeof(ovmf32),
+
+    .bios_address = 0,
+    .load = ovmf_load,
+
+    .load_roms = 0,
+
+    .optionrom_start = 0,
+    .optionrom_end = 0,
+
+    .bios_info_setup = NULL,
+    .bios_info_finish = NULL,
+
+    .bios_relocate = NULL,
+
+    .vm86_setup = ovmf_init_vm86_tss,
+    .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,
+};
+
+struct bios_config ovmf64_config =  {
+    .name = "OVMF-X64",
+
+    .image = ovmf64,
+    .image_size = sizeof(ovmf64),
+
+    .bios_address = 0,
+    .load = ovmf_load,
+
+    .load_roms = 0,
+
+    .optionrom_start = 0,
+    .optionrom_end = 0,
+
+    .bios_info_setup = NULL,
+    .bios_info_finish = NULL,
+
+    .bios_relocate = NULL,
+
+    .vm86_setup = ovmf_init_vm86_tss,
+    .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:
+ */
diff -r e298ce67777e tools/firmware/hvmloader/util.c
--- a/tools/firmware/hvmloader/util.c    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/firmware/hvmloader/util.c    Fri Jul 22 23:00:20 2011 +0800
@@ -303,12 +303,54 @@
     *p = '\0';
 }
 
+/*
+ * Ensures mfn is backed by an accessible RAM page.
+ * Returns 0 on success.
+ */
+int mem_back_ram(xen_pfn_t mfn)
+{
+    struct xen_add_to_physmap xatp;
+    struct xen_memory_reservation xmr;
+    static int over_allocated = 0;
+
+    if ( !over_allocated )
+    {
+        xmr.domid = DOMID_SELF;
+        xmr.mem_flags = 0;
+        xmr.extent_order = 0;
+        xmr.nr_extents = 1;
+        set_xen_guest_handle(xmr.extent_start, &mfn);
+        if ( hypercall_memory_op(XENMEM_populate_physmap, &xmr) == 1 )
+            return 0;
+        over_allocated = 1;
+    }
+
+    /*
+     * Couldn't allocate more memory for domain,
+     * move an existing physical page from end
+     * of RAM.
+     */
+    if ( hvm_info->high_mem_pgend )
+    {
+        xatp.idx = --hvm_info->high_mem_pgend;
+        if ( xatp.idx == (1ull << (32 - PAGE_SHIFT)) )
+            hvm_info->high_mem_pgend = 0;
+    }
+    else
+    {
+        xatp.idx = --hvm_info->low_mem_pgend;
+    }
+    xatp.domid = DOMID_SELF;
+    xatp.space = XENMAPSPACE_gmfn;
+    xatp.gpfn  = mfn;
+    if ( hypercall_memory_op(XENMEM_add_to_physmap, &xatp) != 0 )
+        BUG();
+    return 0;
+}
+
 void *mem_alloc(uint32_t size, uint32_t align)
 {
     static uint32_t reserve = RESERVED_MEMBASE - 1;
-    static int over_allocated;
-    struct xen_add_to_physmap xatp;
-    struct xen_memory_reservation xmr;
     xen_pfn_t mfn;
     uint32_t s, e;
 
@@ -326,35 +368,7 @@
         reserve += PAGE_SIZE;
         mfn = reserve >> PAGE_SHIFT;
 
-        /* Try to allocate a brand new page in the reserved area. */
-        if ( !over_allocated )
-        {
-            xmr.domid = DOMID_SELF;
-            xmr.mem_flags = 0;
-            xmr.extent_order = 0;
-            xmr.nr_extents = 1;
-            set_xen_guest_handle(xmr.extent_start, &mfn);
-            if ( hypercall_memory_op(XENMEM_populate_physmap, &xmr) == 1 )
-                continue;
-            over_allocated = 1;
-        }
-
-        /* Otherwise, relocate a page from the ordinary RAM map. */
-        if ( hvm_info->high_mem_pgend )
-        {
-            xatp.idx = --hvm_info->high_mem_pgend;
-            if ( xatp.idx == (1ull << (32 - PAGE_SHIFT)) )
-                hvm_info->high_mem_pgend = 0;
-        }
-        else
-        {
-            xatp.idx = --hvm_info->low_mem_pgend;
-        }
-        xatp.domid = DOMID_SELF;
-        xatp.space = XENMAPSPACE_gmfn;
-        xatp.gpfn  = mfn;
-        if ( hypercall_memory_op(XENMEM_add_to_physmap, &xatp) != 0 )
-            BUG();
+        BUG_ON(mem_back_ram(mfn));
     }
 
     reserve = e;
@@ -624,22 +638,24 @@
     return table;
 }
 
-struct shared_info *get_shared_info(void)
+static struct shared_info *shared_info = NULL;
+
+struct shared_info *get_shared_info(void)
 {
-    static struct shared_info *shared_info = NULL;
     struct xen_add_to_physmap xatp;
 
     if ( shared_info != NULL )
         return shared_info;
 
+    /* Guarantee shinfo lives in a safe (reserved) place */
+    shared_info = mem_alloc(PAGE_SIZE, PAGE_SIZE);
+
     xatp.domid = DOMID_SELF;
     xatp.space = XENMAPSPACE_shared_info;
     xatp.idx   = 0;
-    xatp.gpfn  = 0xfffffu;
-    shared_info = (struct shared_info *)(xatp.gpfn << PAGE_SHIFT);
+    xatp.gpfn  = ((uint32_t) shared_info) >> PAGE_SHIFT;
     if ( hypercall_memory_op(XENMEM_add_to_physmap, &xatp) != 0 )
         BUG();
-
     return shared_info;
 }
 
diff -r e298ce67777e tools/firmware/hvmloader/util.h
--- a/tools/firmware/hvmloader/util.h    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/firmware/hvmloader/util.h    Fri Jul 22 23:00:20 2011 +0800
@@ -3,6 +3,7 @@
 
 #include <stdarg.h>
 #include <stdint.h>
+#include <xen/memory.h>
 #include <xen/hvm/hvm_info_table.h>
 
 #define __STR(...) #__VA_ARGS__
@@ -164,6 +165,9 @@
 int printf(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
 int vprintf(const char *fmt, va_list ap);
 
+/* Create RAM backing for guest machine frame. */
+int mem_back_ram(xen_pfn_t mfn);
+
 /* Allocate memory in a reserved region below 4GB. */
 void *mem_alloc(uint32_t size, uint32_t align);
 #define virt_to_phys(v) ((unsigned long)(v))


ovmf_xl_xend.patch:
---------
# HG changeset patch
# User gbtju85@xxxxxxxxx
#

diff -r e298ce67777e tools/libxl/libxl.idl
--- a/tools/libxl/libxl.idl    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/libxl/libxl.idl    Fri Jul 22 23:00:20 2011 +0800
@@ -137,6 +137,7 @@
                                             
 libxl_domain_create_info = Struct("domain_create_info",[
     ("hvm",          bool),
+    ("hvmbios",      string),
     ("hap",          bool),
     ("oos",          bool),
     ("ssidref",      uint32),
diff -r e298ce67777e tools/libxl/libxl_create.c
--- a/tools/libxl/libxl_create.c    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/libxl/libxl_create.c    Fri Jul 22 23:00:20 2011 +0800
@@ -377,6 +377,10 @@
     if (info->poolname)
         xs_write(ctx->xsh, t, libxl__sprintf(gc, "%s/pool_name", vm_path), info->poolname, strlen(info->poolname));
 
+    if (info->hvmbios){
+        xs_write(ctx->xsh, t, libxl__sprintf(gc, "%s/hvmloader/bios", dom_path), info->hvmbios, strlen(info->hvmbios));
+    }
+
     libxl__xs_writev(gc, t, dom_path, info->xsdata);
     libxl__xs_writev(gc, t, libxl__sprintf(gc, "%s/platform", dom_path), info->platformdata);
 
diff -r e298ce67777e tools/libxl/libxl_dm.c
--- a/tools/libxl/libxl_dm.c    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/libxl/libxl_dm.c    Fri Jul 22 23:00:20 2011 +0800
@@ -783,6 +783,7 @@
     char *vm_path;
     char **pass_stuff;
     const char *dm;
+    char *custom_bios;
 
     if (info->device_model_stubdomain) {
         libxl_device_vfb vfb;
@@ -814,10 +815,13 @@
         goto out;
     }
 
-    path = libxl__sprintf(gc, "/local/domain/%d/hvmloader", info->domid);
-    xs_mkdir(ctx->xsh, XBT_NULL, path);
-    libxl__xs_write(gc, XBT_NULL, libxl__sprintf(gc, "%s/bios", path),
-                    "%s", libxl__domain_bios(gc, info));
+    custom_bios = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "/local/domain/%d/hvmloader/bios", info->domid));
+    if (!custom_bios) {
+        path = libxl__sprintf(gc, "/local/domain/%d/hvmloader", info->domid);
+        xs_mkdir(ctx->xsh, XBT_NULL, path);
+        libxl__xs_write(gc, XBT_NULL, libxl__sprintf(gc, "%s/bios", path),
+                        "%s", libxl__domain_bios(gc, info));
+    }
 
     path = libxl__sprintf(gc, "/local/domain/0/device-model/%d", info->domid);
     xs_mkdir(ctx->xsh, XBT_NULL, path);
diff -r e298ce67777e tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/libxl/xl_cmdimpl.c    Fri Jul 22 23:00:20 2011 +0800
@@ -553,6 +553,10 @@
         }
     }
 
+    if (!xlu_cfg_get_string (config, "hvmbios", &buf)){
+        c_info->hvmbios = strdup(buf);
+    }
+
     c_info->hvm = 0;
     if (!xlu_cfg_get_string (config, "builder", &buf) &&
         !strncmp(buf, "hvm", strlen(buf)))
diff -r e298ce67777e tools/python/xen/xend/XendConfig.py
--- a/tools/python/xen/xend/XendConfig.py    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/python/xen/xend/XendConfig.py    Fri Jul 22 23:00:20 2011 +0800
@@ -153,6 +153,7 @@
     'fdb': str,
     'keymap': str,
     'isa' : int,
+    'hvmbios' : str,
     'localtime': int,
     'monitor': int,
     'monitor_path': str,
diff -r e298ce67777e tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/python/xen/xend/XendDomainInfo.py    Fri Jul 22 23:00:20 2011 +0800
@@ -1789,6 +1789,10 @@
         if self.info.has_key('security_label'):
             f('security_label', self.info['security_label'])
 
+        hvm = self.info.is_hvm()
+        if hvm and self.info["platform"].get("hvmbios") is not None:
+            f('hvmloader/bios', self.info["platform"].get("hvmbios"))
+
         to_store.update(self._vcpuDomDetails())
 
         log.debug("Storing domain details: %s", scrub_password(to_store))
diff -r e298ce67777e tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/python/xen/xm/create.py    Fri Jul 22 23:00:20 2011 +0800
@@ -168,6 +168,10 @@
           fn=set_value, default=None,
           use="Path to kernel image.")
 
+gopts.var('hvmbios', val='HVMBIOS',
+          fn=set_value, default=None,
+          use="Type of firmware to load in HVM mode")
+
 gopts.var('ramdisk', val='FILE',
           fn=set_value, default='',
           use="Path to ramdisk.")
@@ -1084,7 +1088,7 @@
              'device_model', 'display',
              'fda', 'fdb',
              'gfx_passthru', 'guest_os_type',
-             'hap', 'hpet',
+             'hap', 'hpet', 'hvmbios',
              'isa',
              'keymap',
              'localtime',
@@ -1143,7 +1147,7 @@
                    'on_reboot', 'on_crash', 'features', 'on_xend_start',
                    'on_xend_stop', 'target', 'cpuid', 'cpuid_check',
                    'machine_address_size', 'suppress_spurious_page_faults',
-                   'description'])
+                   'description' ])
 
     vcpu_conf()
     if vals.uuid is not None:
diff -r e298ce67777e tools/python/xen/xm/xenapi_create.py
--- a/tools/python/xen/xm/xenapi_create.py    Mon Jul 18 14:38:31 2011 +0100
+++ b/tools/python/xen/xm/xenapi_create.py    Fri Jul 22 23:00:20 2011 +0800
@@ -1090,6 +1090,7 @@
             'fda',
             'fdb',
             'keymap',
+            'hvmbios',
             'isa',
             'localtime',
             'monitor',






Attachment: ovmf_xen_support.patch
Description: Text Data

Attachment: ovmf_xl_xend.patch
Description: Text Data

Attachment: ovmf_firmware.patch
Description: Text Data

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