[PATCH 3/3] Move EPT identity mapping pages to allow a larger BIOS image

Jordan Justen
2009-07-27T00:23:54Z

Move from:
0xfffbc000-0xfffbcfff
to:
0xfeffc000-0xfeffcfff

This step is required to free up the 0xff000000-0xffffffff (16MB) range
for use with bios.bin.

The KVM kernel change depends upon a change to kvm/bios/rombios.c so the bios
INT15-E820 function will properly reserve the new location.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
---
qemu-kvm-x86.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/qemu-kvm-x86.c b/qemu-kvm-x86.c
index 0b47b57..65ba470 100644
--- a/qemu-kvm-x86.c
+++ b/qemu-kvm-x86.c
@@ -102,7 +102,7 @@ static int kvm_init_identity_map_page(kvm_context_t kvm)
* this address is 4 pages before the bios, and the bios should present
* as unavaible memory
*/
- r = kvm_set_identity_map_addr(kvm, 0xfffbc000);
+ r = kvm_set_identity_map_addr(kvm, 0xfeffc000);
if (r < 0) {
fprintf(stderr, "kvm_init_identity_map_page: "
"unable to set identity mapping addr\n");
--
1.6.0.4