Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm

1 files changed, 102 insertions, 0 deletions

diff --git a/target-ppc/libkvm.c b/target-ppc/libkvm.c
new file mode 100644
index 0000000..da93026
--- /dev/null
+++ b/target-ppc/libkvm.c
@@ -0,0 +1,102 @@
+/*
+ * 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, &regs))
+		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;
+}