mirror of
https://github.com/edk2-porting/linux-next.git
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7bf04be8f4
PAGE_SIZE_asm, PAGE_SHIFT_asm, THREAD_SIZE_asm can be safely removed from asm-offsets.c, and be replaced by their non-'_asm' counterparts in the code that uses them, since the _AC macro defined in include/linux/const.h makes PAGE_SIZE/PAGE_SHIFT/THREAD_SIZE work with as. Signed-off-by: Stratos Psomadakis <psomas@cslab.ece.ntua.gr> LKML-Reference: <1298666774-17646-2-git-send-email-psomas@cslab.ece.ntua.gr> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
56 lines
1.6 KiB
ArmAsm
56 lines
1.6 KiB
ArmAsm
/* Xen-specific pieces of head.S, intended to be included in the right
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place in head.S */
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#ifdef CONFIG_XEN
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#include <linux/elfnote.h>
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#include <linux/init.h>
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#include <asm/boot.h>
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#include <asm/asm.h>
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#include <asm/page_types.h>
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#include <xen/interface/elfnote.h>
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#include <asm/xen/interface.h>
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__INIT
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ENTRY(startup_xen)
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cld
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#ifdef CONFIG_X86_32
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mov %esi,xen_start_info
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mov $init_thread_union+THREAD_SIZE,%esp
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#else
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mov %rsi,xen_start_info
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mov $init_thread_union+THREAD_SIZE,%rsp
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#endif
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jmp xen_start_kernel
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__FINIT
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.pushsection .text
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.align PAGE_SIZE
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ENTRY(hypercall_page)
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.skip PAGE_SIZE
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.popsection
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ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")
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ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6")
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ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0")
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#ifdef CONFIG_X86_32
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ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __PAGE_OFFSET)
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#else
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ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, _ASM_PTR __START_KERNEL_map)
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#endif
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ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, _ASM_PTR startup_xen)
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ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, _ASM_PTR hypercall_page)
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ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
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ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
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ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
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ELFNOTE(Xen, XEN_ELFNOTE_L1_MFN_VALID,
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.quad _PAGE_PRESENT; .quad _PAGE_PRESENT)
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ELFNOTE(Xen, XEN_ELFNOTE_SUSPEND_CANCEL, .long 1)
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ELFNOTE(Xen, XEN_ELFNOTE_HV_START_LOW, _ASM_PTR __HYPERVISOR_VIRT_START)
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ELFNOTE(Xen, XEN_ELFNOTE_PADDR_OFFSET, _ASM_PTR 0)
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#endif /*CONFIG_XEN */
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