[PATCH] support piix PAM registers in KVM

[Gleb Natapov]

Without this BIOS fails to remap 0xf0000 memory from ROM to RAM so writes
to F-segment modify ROM content instead of memory copy. Since QEMU does
not reloads ROMs during reset on next boot modified copy of BIOS is used.

Signed-off-by: Gleb Natapov 
diff --git a/hw/piix_pci.c b/hw/piix_pci.c
index 933ad86..0bf435d 100644
--- a/hw/piix_pci.c
+++ b/hw/piix_pci.c
@@ -99,10 +99,6 @@ static void i440fx_update_memory_mappings(PCII440FXState *d)
     int i, r;
     uint32_t smram, addr;

-    if (kvm_enabled()) {
-        /* FIXME: Support remappings and protection changes. */
-        return;
-    }
     update_pam(d, 0xf0000, 0x100000, (d->dev.config[I440FX_PAM] >> 4) & 3);
     for(i = 0; i < 12; i++) {
         r = (d->dev.config[(i >> 1) + (I440FX_PAM + 1)] >> ((i & 1) * 4)) & 3;
--
    		Gleb.