From 54ac837cb52616764d8fa086ca9c5f7daadd965a Mon Sep 17 00:00:00 2001
From: Jimi Xenidis <jimix@watson.ibm.com>
Date: Wed, 9 Aug 2006 18:53:00 -0400
Subject: [PATCH] [POWERPC] enable shadow mode

This should have been enabled right from the begining.

Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
---
 xen/arch/powerpc/mm.c            | 17 +++++++++++++++++
 xen/include/asm-powerpc/config.h |  1 +
 xen/include/asm-powerpc/shadow.h |  9 ++++++++-
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/xen/arch/powerpc/mm.c b/xen/arch/powerpc/mm.c
index 00e072747b..783a8cdbae 100644
--- a/xen/arch/powerpc/mm.c
+++ b/xen/arch/powerpc/mm.c
@@ -20,6 +20,7 @@
 
 #include <xen/config.h>
 #include <xen/mm.h>
+#include <xen/shadow.h>
 #include <xen/kernel.h>
 #include <xen/sched.h>
 #include <asm/misc.h>
@@ -139,3 +140,19 @@ ulong pfn2mfn(struct domain *d, long pfn, int *type)
 
     return mfn;
 }
+
+void guest_physmap_add_page(
+    struct domain *d, unsigned long gpfn, unsigned long mfn)
+{
+    panic("%s\n", __func__);
+}
+void guest_physmap_remove_page(
+    struct domain *d, unsigned long gpfn, unsigned long mfn)
+{
+    panic("%s\n", __func__);
+}
+void shadow_drop_references(
+    struct domain *d, struct page_info *page)
+{
+    panic("%s\n", __func__);
+}
diff --git a/xen/include/asm-powerpc/config.h b/xen/include/asm-powerpc/config.h
index 94caa6bea3..ff28fc7de5 100644
--- a/xen/include/asm-powerpc/config.h
+++ b/xen/include/asm-powerpc/config.h
@@ -47,6 +47,7 @@ extern char __bss_start[];
 /* this should be per processor, but for now */
 #define CACHE_LINE_SIZE 128
 
+#define CONFIG_SHADOW 1
 #define CONFIG_GDB 1
 #define CONFIG_SMP 1
 #define CONFIG_PCI 1
diff --git a/xen/include/asm-powerpc/shadow.h b/xen/include/asm-powerpc/shadow.h
index c247659f5e..8c7f3598bb 100644
--- a/xen/include/asm-powerpc/shadow.h
+++ b/xen/include/asm-powerpc/shadow.h
@@ -23,7 +23,7 @@
 
 #include <xen/sched.h>
 
-#define shadow_mode_translate(_d) 1
+#define shadow_mode_translate(_d) (1)
 
 #define __translate_gpfn_to_mfn(_d, gpfn)              \
     ( (shadow_mode_translate(_d))                      \
@@ -41,5 +41,12 @@ translate_gpfn_to_mfn(struct domain *rd, unsigned long gpfn)
     trap();
     return 0;
 }
+extern void guest_physmap_add_page(
+    struct domain *d, unsigned long gpfn, unsigned long mfn);
 
+extern void guest_physmap_remove_page(
+    struct domain *d, unsigned long gpfn, unsigned long mfn);
+
+extern void shadow_drop_references(
+    struct domain *d, struct page_info *page);
 #endif
-- 
2.30.2