1 files changed, 52 insertions, 0 deletions
diff --git a/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/setup_arch_post.h b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/setup_arch_post.h
new file mode 100644
index 0000000000..84186bbe96
--- /dev/null
+++ b/linux-2.6-xen-sparse/include/asm-x86_64/mach-xen/setup_arch_post.h
@@ -0,0 +1,52 @@
+/**
+ * machine_specific_memory_setup - Hook for machine specific memory setup.
+ *
+ * Description:
+ *	This is included late in kernel/setup.c so that it can make
+ *	use of all of the static functions.
+ **/
+
+static char * __init machine_specific_memory_setup(void)
+{
+	char *who;
+	unsigned long start_pfn, max_pfn;
+
+	who = "Xen";
+
+	start_pfn = 0;
+	max_pfn = xen_start_info->nr_pages;
+
+	e820.nr_map = 0;
+	add_memory_region(PFN_PHYS(start_pfn), PFN_PHYS(max_pfn) - PFN_PHYS(start_pfn), E820_RAM);
+
+	return who;
+}
+
+void __init machine_specific_modify_cpu_capabilities(struct cpuinfo_x86 *c)
+{
+	clear_bit(X86_FEATURE_VME, c->x86_capability);
+	clear_bit(X86_FEATURE_DE, c->x86_capability);
+	clear_bit(X86_FEATURE_PSE, c->x86_capability);
+	clear_bit(X86_FEATURE_PGE, c->x86_capability);
+	clear_bit(X86_FEATURE_SEP, c->x86_capability);
+	if (!(xen_start_info->flags & SIF_PRIVILEGED))
+		clear_bit(X86_FEATURE_MTRR, c->x86_capability);
+}
+
+extern void hypervisor_callback(void);
+extern void failsafe_callback(void);
+extern void nmi(void);
+
+static void __init machine_specific_arch_setup(void)
+{
+	HYPERVISOR_set_callbacks(
+                (unsigned long) hypervisor_callback,
+                (unsigned long) failsafe_callback,
+                (unsigned long) system_call);
+
+#ifdef CONFIG_X86_LOCAL_APIC
+	HYPERVISOR_nmi_op(XENNMI_register_callback, (unsigned long)&nmi);
+#endif
+
+	machine_specific_modify_cpu_capabilities(&boot_cpu_data);
+}