[SeaBIOS] [PATCH 3/3] SMM: Disable use of SMM when running under Xen
Ian Campbell
ian.campbell at citrix.com
Thu Jun 28 12:08:33 CEST 2012
Xen does not support SMM mode.
Signed-off-by: Ian Campbell <ian.campbell at citrix.com>
---
src/smm.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/smm.c b/src/smm.c
index 72e5e88..d0d1476 100644
--- a/src/smm.c
+++ b/src/smm.c
@@ -10,6 +10,7 @@
#include "config.h" // CONFIG_*
#include "ioport.h" // outb
#include "pci_ids.h" // PCI_VENDOR_ID_INTEL
+#include "xen.h" // usingXen
ASM32FLAT(
".global smm_relocation_start\n"
@@ -151,6 +152,8 @@ smm_init(void)
return;
if (!CONFIG_USE_SMM)
return;
+ if (usingXen())
+ return;
dprintf(3, "init smm\n");
pci_find_init_device(smm_init_tbl, NULL);
--
1.7.2.5
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