repository: /home/avi/kvm
branch: master
commit 7f7699af520dad2a2da703670d5b324324cba1d0
Author: Izik Eidus <[EMAIL PROTECTED]>
Date: Tue Oct 23 00:19:48 2007 +0200
kvm: bios: make the bios map the tss pages at unavailble memory to the guest
Signed-off-by: Izik Eidus <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/bios/rombios.c b/bios/rombios.c
index ac918ad..a9b5653 100644
--- a/bios/rombios.c
+++ b/bios/rombios.c
@@ -4241,18 +4241,27 @@ ASM_END
return;
break;
case 5:
+ /* 3 pages before the bios, we map the vmx tss pages */
+ set_e820_range(ES, regs.u.r16.di, 0xfffbd000L,
+ 0xfffc0000L, 0, 0, 2);
+ regs.u.r32.ebx = 6;
+ regs.u.r32.eax = 0x534D4150;
+ regs.u.r32.ecx = 0x14;
+ CLEAR_CF();
+ return;
+ case 6:
/* 256KB BIOS area at the end of 4 GB */
set_e820_range(ES, regs.u.r16.di,
0xfffc0000L, 0x00000000L ,0, 0, 2);
if (extra_highbits_memory_size ||
extra_lowbits_memory_size)
- regs.u.r32.ebx = 6;
+ regs.u.r32.ebx = 7;
else
regs.u.r32.ebx = 0;
regs.u.r32.eax = 0x534D4150;
regs.u.r32.ecx = 0x14;
CLEAR_CF();
return;
- case 6:
+ case 7:
/* Maping of memory above 4 GB */
set_e820_range(ES, regs.u.r16.di, 0x00000000L,
extra_lowbits_memory_size, 1,
extra_highbits_memory_size
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