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/*
* This file contains the powerpc specific implementation for the
* architecture dependent functions defined in kvm-common.h and
* libkvm.h
*
* Copyright (C) 2006 Qumranet, Inc.
*
* Authors:
* Avi Kivity <avi@qumranet.com>
* Yaniv Kamay <yaniv@qumranet.com>
*
* Copyright IBM Corp. 2007,2008
* Authors:
* Jerone Young <jyoung5@us.ibm.com>
* Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
*
* This work is licensed under the GNU LGPL license, version 2.
*/
#include "libkvm-all.h"
#include "libkvm.h"
#include <errno.h>
#include <stdio.h>
#include <inttypes.h>
int handle_dcr(kvm_vcpu_context_t vcpu)
{
int ret = 0;
struct kvm_run *run = vcpu->run;
kvm_context_t kvm = vcpu->kvm;
if (run->dcr.is_write)
ret = kvm->callbacks->powerpc_dcr_write(vcpu,
run->dcr.dcrn,
run->dcr.data);
else
ret = kvm->callbacks->powerpc_dcr_read(vcpu,
run->dcr.dcrn,
&(run->dcr.data));
return ret;
}
void kvm_show_code(kvm_vcpu_context_t vcpu)
{
fprintf(stderr, "%s: Operation not supported\n", __FUNCTION__);
}
void kvm_show_regs(kvm_vcpu_context_t vcpu)
{
struct kvm_regs regs;
int i;
if (kvm_get_regs(vcpu, ®s))
return;
fprintf(stderr,"guest vcpu #%d\n", vcpu);
fprintf(stderr,"pc: %016"PRIx64" msr: %016"PRIx64"\n",
regs.pc, regs.msr);
fprintf(stderr,"lr: %016"PRIx64" ctr: %016"PRIx64"\n",
regs.lr, regs.ctr);
fprintf(stderr,"srr0: %016"PRIx64" srr1: %016"PRIx64"\n",
regs.srr0, regs.srr1);
for (i=0; i<32; i+=4)
{
fprintf(stderr, "gpr%02d: %016"PRIx64" %016"PRIx64" %016"PRIx64
" %016"PRIx64"\n", i,
regs.gpr[i],
regs.gpr[i+1],
regs.gpr[i+2],
regs.gpr[i+3]);
}
fflush(stdout);
}
int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
void **vm_mem)
{
int r;
r = kvm_init_coalesced_mmio(kvm);
if (r < 0)
return r;
return 0;
}
int kvm_arch_run(kvm_vcpu_context_t vcpu)
{
int ret = 0;
switch (vcpu->run->exit_reason){
case KVM_EXIT_DCR:
ret = handle_dcr(vcpu);
break;
default:
ret = 1;
break;
}
return ret;
}
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