seabios: increase smp_mtrr array size

Windows Server 2008 checked build complains about lack of consistency
between MTRR MSRs in SMP guests.

Problem is the smp_mtrr array is not large enough to hold all MSRs (31
entries with current qemu/kvm implementations).

Increase it to 32.

Signed-off-by: Marcelo Tosatti <>
diff --git a/src/smp.c b/src/smp.c
index 40f5451..2317d36 100644
--- a/src/smp.c
+++ b/src/smp.c
@@ -17,7 +17,7 @@
 #define APIC_ENABLED 0x0100
-struct { u32 ecx, eax, edx; } smp_mtrr[16] VAR16VISIBLE;
+struct { u32 ecx, eax, edx; } smp_mtrr[32] VAR16VISIBLE;
 u32 smp_mtrr_count VAR16VISIBLE;