linux-sg2042/arch/x86/xen/xen-head.S

108 lines
2.9 KiB
ArmAsm

/* Xen-specific pieces of head.S, intended to be included in the right
place in head.S */
#ifdef CONFIG_XEN
#include <linux/elfnote.h>
#include <linux/init.h>
#include <asm/boot.h>
#include <asm/asm.h>
#include <asm/page_types.h>
#include <xen/interface/elfnote.h>
#include <asm/xen/interface.h>
__INIT
ENTRY(startup_xen)
cld
#ifdef CONFIG_X86_32
mov %esi,xen_start_info
mov $init_thread_union+THREAD_SIZE,%esp
#else
mov %rsi,xen_start_info
mov $init_thread_union+THREAD_SIZE,%rsp
#endif
jmp xen_start_kernel
__FINIT
.pushsection .text
.balign PAGE_SIZE
ENTRY(hypercall_page)
#define NEXT_HYPERCALL(x) \
ENTRY(xen_hypercall_##x) \
.skip 32
NEXT_HYPERCALL(set_trap_table)
NEXT_HYPERCALL(mmu_update)
NEXT_HYPERCALL(set_gdt)
NEXT_HYPERCALL(stack_switch)
NEXT_HYPERCALL(set_callbacks)
NEXT_HYPERCALL(fpu_taskswitch)
NEXT_HYPERCALL(sched_op_compat)
NEXT_HYPERCALL(platform_op)
NEXT_HYPERCALL(set_debugreg)
NEXT_HYPERCALL(get_debugreg)
NEXT_HYPERCALL(update_descriptor)
NEXT_HYPERCALL(ni)
NEXT_HYPERCALL(memory_op)
NEXT_HYPERCALL(multicall)
NEXT_HYPERCALL(update_va_mapping)
NEXT_HYPERCALL(set_timer_op)
NEXT_HYPERCALL(event_channel_op_compat)
NEXT_HYPERCALL(xen_version)
NEXT_HYPERCALL(console_io)
NEXT_HYPERCALL(physdev_op_compat)
NEXT_HYPERCALL(grant_table_op)
NEXT_HYPERCALL(vm_assist)
NEXT_HYPERCALL(update_va_mapping_otherdomain)
NEXT_HYPERCALL(iret)
NEXT_HYPERCALL(vcpu_op)
NEXT_HYPERCALL(set_segment_base)
NEXT_HYPERCALL(mmuext_op)
NEXT_HYPERCALL(xsm_op)
NEXT_HYPERCALL(nmi_op)
NEXT_HYPERCALL(sched_op)
NEXT_HYPERCALL(callback_op)
NEXT_HYPERCALL(xenoprof_op)
NEXT_HYPERCALL(event_channel_op)
NEXT_HYPERCALL(physdev_op)
NEXT_HYPERCALL(hvm_op)
NEXT_HYPERCALL(sysctl)
NEXT_HYPERCALL(domctl)
NEXT_HYPERCALL(kexec_op)
NEXT_HYPERCALL(tmem_op) /* 38 */
ENTRY(xen_hypercall_rsvr)
.skip 320
NEXT_HYPERCALL(mca) /* 48 */
NEXT_HYPERCALL(arch_1)
NEXT_HYPERCALL(arch_2)
NEXT_HYPERCALL(arch_3)
NEXT_HYPERCALL(arch_4)
NEXT_HYPERCALL(arch_5)
NEXT_HYPERCALL(arch_6)
.balign PAGE_SIZE
.popsection
ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")
ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6")
ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0")
#ifdef CONFIG_X86_32
ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __PAGE_OFFSET)
#else
ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __START_KERNEL_map)
#endif
ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, _ASM_PTR startup_xen)
ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page)
ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
.quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, _ASM_PTR __HYPERVISOR_VIRT_START)
ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, _ASM_PTR 0)
#endif /*CONFIG_XEN */