Signed-off-by: Liu Yu <[EMAIL PROTECTED]>
---
arch/powerpc/include/asm/kvm_e500.h | 67 +++
arch/powerpc/kvm/e500.c | 151 +++
2 files changed, 218 insertions(+), 0 deletions(-)
create mode 100644 arch/powerpc/include/asm/kvm_e500.h
create mode 100644 arch/powerpc/kvm/e500.c
diff --git a/arch/powerpc/include/asm/kvm_e500.h
b/arch/powerpc/include/asm/kvm_e500.h
new file mode 100644
index 000..9d497ce
--- /dev/null
+++ b/arch/powerpc/include/asm/kvm_e500.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: Yu Liu, <[EMAIL PROTECTED]>
+ *
+ * Description:
+ * This file is derived from arch/powerpc/include/asm/kvm_44x.h,
+ * by Hollis Blanchard <[EMAIL PROTECTED]>.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_KVM_E500_H__
+#define __ASM_KVM_E500_H__
+
+#include
+
+#define BOOKE_INTERRUPT_SIZE 36
+
+#define E500_PID_NUM 3
+#define E500_TLB_NUM 2
+
+struct tlbe{
+ u32 mas1;
+ u32 mas2;
+ u32 mas3;
+ u32 mas7;
+};
+
+struct kvmppc_vcpu_e500 {
+ /* Unmodified copy of the guest's TLB. */
+ struct tlbe *guest_tlb[E500_TLB_NUM];
+ /* TLB that's actually used when the guest is running. */
+ struct tlbe *shadow_tlb[E500_TLB_NUM];
+ /* Pages which are referenced in the shadow TLB. */
+ struct page **shadow_pages[E500_TLB_NUM];
+
+ unsigned int guest_tlb_size[E500_TLB_NUM];
+ unsigned int shadow_tlb_size[E500_TLB_NUM];
+ unsigned int guest_tlb_nv[E500_TLB_NUM];
+
+ u32 host_pid[E500_PID_NUM];
+ u32 pid[E500_PID_NUM];
+
+ u32 mas0;
+ u32 mas1;
+ u32 mas2;
+ u32 mas3;
+ u32 mas4;
+ u32 mas5;
+ u32 mas6;
+ u32 mas7;
+ u32 l1csr1;
+ u32 hid0;
+ u32 hid1;
+
+ struct kvm_vcpu vcpu;
+};
+
+static inline struct kvmppc_vcpu_e500 *to_e500(struct kvm_vcpu *vcpu)
+{
+ return container_of(vcpu, struct kvmppc_vcpu_e500, vcpu);
+}
+
+#endif /* __ASM_KVM_E500_H__ */
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
new file mode 100644
index 000..b1950ff
--- /dev/null
+++ b/arch/powerpc/kvm/e500.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2008 Freescale Semiconductor, Inc. All rights reserved.
+ *
+ * Author: Yu Liu, <[EMAIL PROTECTED]>
+ *
+ * Description:
+ * This file is derived from arch/powerpc/kvm/44x.c,
+ * by Hollis Blanchard <[EMAIL PROTECTED]>.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ */
+
+#include
+#include
+
+#include
+#include
+#include
+#include
+#include
+
+#include "e500_tlb.h"
+
+void kvmppc_core_load_host_debugstate(struct kvm_vcpu *vcpu)
+{
+}
+
+void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu)
+{
+}
+
+void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
+{
+ kvmppc_e500_tlb_load(vcpu, cpu);
+}
+
+void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
+{
+ kvmppc_e500_tlb_put(vcpu);
+}
+
+int kvmppc_core_check_processor_compat(void)
+{
+ int r;
+
+ if (strcmp(cur_cpu_spec->cpu_name, "e500v2") == 0)
+ r = 0;
+ else
+ r = -ENOTSUPP;
+
+ return r;
+}
+
+int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
+{
+ struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
+
+ kvmppc_e500_tlb_setup(vcpu_e500);
+
+ /* Use the same core vertion as host's */
+ vcpu->arch.pvr = mfspr(SPRN_PVR);
+
+ return 0;
+}
+
+/* 'linear_address' is actually an encoding of AS|PID|EADDR . */
+int kvmppc_core_vcpu_translate(struct kvm_vcpu *vcpu,
+ struct kvm_translation *tr)
+{
+ int index;
+ gva_t eaddr;
+ u8 pid;
+ u8 as;
+
+ eaddr = tr->linear_address;
+ pid = (tr->linear_address >> 32) & 0xff;
+ as = (tr->linear_address >> 40) & 0x1;
+
+ index = kvmppc_e500_tlb_search(vcpu, eaddr, as);
+ if (index < 0) {
+ tr->valid = 0;
+ return 0;
+ }
+
+ tr->physical_address = kvmppc_mmu_xlate(vcpu, index, eaddr);
+ /* XXX what does "writeable" and "usermode" even mean? */
+ tr->valid = 1;
+
+ return 0;
+}
+
+struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
+{
+ struct kvmppc_vcpu_e500 *vcpu_e500;
+ struct kvm_vcpu *vcpu;
+ int err;
+
+ vcpu_e500 = kmem_cache_zalloc(kvm_vcpu_cache, GFP_KERNEL);
+ if (!vcpu_e500) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ vcpu = &vcpu_e500->vcpu;
+ err = kvm_vcpu_init(vcpu, kvm, id);
+ if (err)
+ goto free_vcpu;
+
+ err =
