xen/0012-hvmloader-Specific-bios_load-function-required.patch
Charles Arnold 92ed83b0e8 - Add patches from proposed upstream series to load BIOS's from
the toolstack instead of embedding in hvmloader
  http://lists.xenproject.org/archives/html/xen-devel/2016-03/msg01626.html
  0001-libxc-Rework-extra-module-initialisation.patch,
  0002-libxc-Prepare-a-start-info-structure-for-hvmloader.patch,
  0003-configure-define-SEABIOS_PATH-and-OVMF_PATH.patch,
  0004-firmware-makefile-install-BIOS-blob.patch,
  0005-libxl-Load-guest-BIOS-from-file.patch,
  0006-xen-Move-the-hvm_start_info-C-representation-from-li.patch,
  0007-hvmloader-Grab-the-hvm_start_info-pointer.patch,
  0008-hvmloader-Locate-the-BIOS-blob.patch,
  0009-hvmloader-Check-modules-whereabouts-in-perform_tests.patch,
  0010-hvmloader-Load-SeaBIOS-from-hvm_start_info-modules.patch,
  0011-hvmloader-Load-OVMF-from-modules.patch,
  0012-hvmloader-Specific-bios_load-function-required.patch,
  0013-hvmloader-Always-build-in-SeaBIOS-and-OVMF-loader.patch,
  0014-configure-do-not-depend-on-SEABIOS_PATH-or-OVMF_PATH.patch
- Enable support for UEFI on x86_64 using the ovmf-x86_64-ms.bin
  firmware from qemu-ovmf-x86_64. The firmware is preloaded with
  Microsoft keys to more closely resemble firmware on real hardware
  FATE#320490

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=416
2016-04-13 19:43:10 +00:00

52 lines
1.8 KiB
Diff

From 258c5050f08bdf69394dd8790398b6dfe453886e Mon Sep 17 00:00:00 2001
From: Anthony PERARD <anthony.perard@citrix.com>
Date: Mon, 14 Mar 2016 17:55:47 +0000
Subject: [PATCH 12/15] hvmloader: Specific bios_load function required
All BIOS but ROMBIOS needs to be loaded via modules.
ROMBIOS is handled as a special case.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
tools/firmware/hvmloader/hvmloader.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
Index: xen-4.7.0-testing/tools/firmware/hvmloader/hvmloader.c
===================================================================
--- xen-4.7.0-testing.orig/tools/firmware/hvmloader/hvmloader.c
+++ xen-4.7.0-testing/tools/firmware/hvmloader/hvmloader.c
@@ -323,21 +323,25 @@ int main(void)
printf("Loading %s ...\n", bios->name);
bios_module = get_module_entry(hvm_start_info, "bios");
- if ( bios_module && bios->bios_load )
+ if ( bios_module )
{
uint32_t paddr = bios_module->paddr;
bios->bios_load(bios, (void*)paddr, bios_module->size);
}
- else if ( bios->bios_load )
+#ifdef ENABLE_ROMBIOS
+ else if ( bios == &rombios_config )
{
bios->bios_load(bios, 0, 0);
}
+#endif
else
{
- BUG_ON(bios->bios_address + bios->image_size >
- HVMLOADER_PHYSICAL_ADDRESS);
- memcpy((void *)bios->bios_address, bios->image,
- bios->image_size);
+ /*
+ * If there is no BIOS module supplied and if there is no embeded BIOS
+ * image, then we failed. Only rombios might have an embedded bios blob.
+ */
+ printf("no BIOS ROM image found\n");
+ BUG();
}
if ( (hvm_info->nr_vcpus > 1) || hvm_info->apic_mode )