libkvm/libkvm-powerpc.c

   1 /*
   2  * This file contains the powerpc specific implementation for the
   3  * architecture dependent functions defined in kvm-common.h and
   4  * libkvm.h
   5  *
   6  * Copyright (C) 2006 Qumranet, Inc.
   7  *
   8  * Authors:
   9  *      Avi Kivity   <avi@qumranet.com>
  10  *      Yaniv Kamay  <yaniv@qumranet.com>
  11  *
  12  * Copyright IBM Corp. 2007,2008
  13  * Authors:
  14  *      Jerone Young <jyoung5@us.ibm.com>
  15  *      Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
  16  *
  17  * This work is licensed under the GNU LGPL license, version 2.
  18  */
  19
  20 #include "libkvm.h"
  21 #include "kvm-powerpc.h"
  22 #include <errno.h>
  23 #include <stdio.h>
  24 #include <inttypes.h>
  25
  26 int handle_dcr(struct kvm_run *run,  kvm_context_t kvm, int vcpu)
  27 {
  28         int ret = 0;
  29
  30         if (run->dcr.is_write)
  31                 ret = kvm->callbacks->powerpc_dcr_write(vcpu,
  32                                                         run->dcr.dcrn,
  33                                                         run->dcr.data);
  34         else
  35                 ret = kvm->callbacks->powerpc_dcr_read(vcpu,
  36                                                         run->dcr.dcrn,
  37                                                         &(run->dcr.data));
  38
  39         return ret;
  40 }
  41
  42 void kvm_show_code(kvm_context_t kvm, int vcpu)
  43 {
  44         fprintf(stderr, "%s: Operation not supported\n", __FUNCTION__);
  45 }
  46
  47 void kvm_show_regs(kvm_context_t kvm, int vcpu)
  48 {
  49         struct kvm_regs regs;
  50         int i;
  51
  52         if (kvm_get_regs(kvm, vcpu, &regs))
  53                 return;
  54
  55         fprintf(stderr,"guest vcpu #%d\n", vcpu);
  56         fprintf(stderr,"pc:   %016"PRIx64" msr:  %016"PRIx64"\n",
  57                 regs.pc, regs.msr);
  58         fprintf(stderr,"lr:   %016"PRIx64" ctr:  %016"PRIx64"\n",
  59                 regs.lr, regs.ctr);
  60         fprintf(stderr,"srr0: %016"PRIx64" srr1: %016"PRIx64"\n",
  61                 regs.srr0, regs.srr1);
  62         for (i=0; i<32; i+=4)
  63         {
  64                 fprintf(stderr, "gpr%02d: %016"PRIx64" %016"PRIx64" %016"PRIx64
  65                         " %016"PRIx64"\n", i,
  66                         regs.gpr[i],
  67                         regs.gpr[i+1],
  68                         regs.gpr[i+2],
  69                         regs.gpr[i+3]);
  70         }
  71
  72         fflush(stdout);
  73 }
  74
  75 int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
  76                          void **vm_mem)
  77 {
  78         int r;
  79
  80         r = kvm_init_coalesced_mmio(kvm);
  81         if (r < 0)
  82                 return r;
  83
  84         return 0;
  85 }
  86
  87 int kvm_arch_run(struct kvm_run *run, kvm_context_t kvm, int vcpu)
  88 {
  89         int ret = 0;
  90
  91         switch (run->exit_reason){
  92         case KVM_EXIT_DCR:
  93                 ret = handle_dcr(run, kvm, vcpu);
  94                 break;
  95         default:
  96                 ret = 1;
  97                 break;
  98         }
  99         return ret;
 100 }