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Diffstat (limited to 'arch/i386/xen/setup.c')
-rw-r--r--arch/i386/xen/setup.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/i386/xen/setup.c b/arch/i386/xen/setup.c
deleted file mode 100644
index f84e7722664..00000000000
--- a/arch/i386/xen/setup.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Machine specific setup for xen
- *
- * Jeremy Fitzhardinge <jeremy@xensource.com>, XenSource Inc, 2007
- */
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/pm.h>
-
-#include <asm/elf.h>
-#include <asm/e820.h>
-#include <asm/setup.h>
-#include <asm/xen/hypervisor.h>
-#include <asm/xen/hypercall.h>
-
-#include <xen/interface/physdev.h>
-#include <xen/features.h>
-
-#include "xen-ops.h"
-#include "vdso.h"
-
-/* These are code, but not functions. Defined in entry.S */
-extern const char xen_hypervisor_callback[];
-extern const char xen_failsafe_callback[];
-
-unsigned long *phys_to_machine_mapping;
-EXPORT_SYMBOL(phys_to_machine_mapping);
-
-/**
- * machine_specific_memory_setup - Hook for machine specific memory setup.
- **/
-
-char * __init xen_memory_setup(void)
-{
- unsigned long max_pfn = xen_start_info->nr_pages;
-
- e820.nr_map = 0;
- add_memory_region(0, PFN_PHYS(max_pfn), E820_RAM);
-
- return "Xen";
-}
-
-static void xen_idle(void)
-{
- local_irq_disable();
-
- if (need_resched())
- local_irq_enable();
- else {
- current_thread_info()->status &= ~TS_POLLING;
- smp_mb__after_clear_bit();
- safe_halt();
- current_thread_info()->status |= TS_POLLING;
- }
-}
-
-/*
- * Set the bit indicating "nosegneg" library variants should be used.
- */
-static void fiddle_vdso(void)
-{
- extern u32 VDSO_NOTE_MASK; /* See ../kernel/vsyscall-note.S. */
- extern char vsyscall_int80_start;
- u32 *mask = (u32 *) ((unsigned long) &VDSO_NOTE_MASK - VDSO_PRELINK +
- &vsyscall_int80_start);
- *mask |= 1 << VDSO_NOTE_NONEGSEG_BIT;
-}
-
-void __init xen_arch_setup(void)
-{
- struct physdev_set_iopl set_iopl;
- int rc;
-
- HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_4gb_segments);
- HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_writable_pagetables);
-
- if (!xen_feature(XENFEAT_auto_translated_physmap))
- HYPERVISOR_vm_assist(VMASST_CMD_enable, VMASST_TYPE_pae_extended_cr3);
-
- HYPERVISOR_set_callbacks(__KERNEL_CS, (unsigned long)xen_hypervisor_callback,
- __KERNEL_CS, (unsigned long)xen_failsafe_callback);
-
- set_iopl.iopl = 1;
- rc = HYPERVISOR_physdev_op(PHYSDEVOP_set_iopl, &set_iopl);
- if (rc != 0)
- printk(KERN_INFO "physdev_op failed %d\n", rc);
-
-#ifdef CONFIG_ACPI
- if (!(xen_start_info->flags & SIF_INITDOMAIN)) {
- printk(KERN_INFO "ACPI in unprivileged domain disabled\n");
- disable_acpi();
- }
-#endif
-
- memcpy(boot_command_line, xen_start_info->cmd_line,
- MAX_GUEST_CMDLINE > COMMAND_LINE_SIZE ?
- COMMAND_LINE_SIZE : MAX_GUEST_CMDLINE);
-
- pm_idle = xen_idle;
-
-#ifdef CONFIG_SMP
- /* fill cpus_possible with all available cpus */
- xen_fill_possible_map();
-#endif
-
- paravirt_disable_iospace();
-
- fiddle_vdso();
-}