Re: [Qemu-devel] [PATCH] Re: phys_ram_base, direct access to guest memory

[Aurelien Jarno]

On Tue, Mar 25, 2008 at 11:12:57AM +0000, Ian Jackson wrote:
> I wrote:
> > In the attached patch, I remove all the direct uses of phys_ram_base
> > from hw/pc.c, except for those presently needed to construct the
> > arguments to the vga init functions.
> 
> Is there something wrong with my patch or the general approach ?

It simply doesn't work. After applying it, I get:


qemu: fatal: Trying to execute code outside RAM or ROM at 0x000a0000

EAX=00000000 EBX=00000000 ECX=00000000 EDX=00000400
ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
EIP=000affea EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 00000000 0000ffff 00000000
CS =f000 ffff0000 0000ffff 00000000
SS =0000 00000000 0000ffff 00000000
DS =0000 00000000 0000ffff 00000000
FS =0000 00000000 0000ffff 00000000
GS =0000 00000000 0000ffff 00000000
LDT=0000 00000000 0000ffff 00008000
TR =0000 00000000 0000ffff 00008000
GDT=     00000000 0000ffff
IDT=     00000000 0000ffff
CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000
CCS=00000000 CCD=00000000 CCO=ADDB    
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000
XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000


-- 
  .''`.  Aurelien Jarno             | GPG: 1024D/F1BCDB73
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