mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
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/******************************************************************************
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* arch-x86/xen.h
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*
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* Guest OS interface to x86 Xen.
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*
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* SPDX-License-Identifier: MIT
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*
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* Copyright (c) 2004-2006, K A Fraser
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*/
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#include "../xen.h"
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#ifndef __XEN_PUBLIC_ARCH_X86_XEN_H__
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#define __XEN_PUBLIC_ARCH_X86_XEN_H__
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/* Structural guest handles introduced in 0x00030201. */
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#if __XEN_INTERFACE_VERSION__ >= 0x00030201
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#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
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typedef struct { type *p; } __guest_handle_ ## name
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#else
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#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
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typedef type * __guest_handle_ ## name
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#endif
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/*
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* XEN_GUEST_HANDLE represents a guest pointer, when passed as a field
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* in a struct in memory.
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* XEN_GUEST_HANDLE_PARAM represent a guest pointer, when passed as an
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* hypercall argument.
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* XEN_GUEST_HANDLE_PARAM and XEN_GUEST_HANDLE are the same on X86 but
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* they might not be on other architectures.
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*/
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#define __DEFINE_XEN_GUEST_HANDLE(name, type) \
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___DEFINE_XEN_GUEST_HANDLE(name, type); \
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___DEFINE_XEN_GUEST_HANDLE(const_##name, const type)
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#define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name)
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#define __XEN_GUEST_HANDLE(name) __guest_handle_ ## name
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#define XEN_GUEST_HANDLE(name) __XEN_GUEST_HANDLE(name)
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#define XEN_GUEST_HANDLE_PARAM(name) XEN_GUEST_HANDLE(name)
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#define set_xen_guest_handle_raw(hnd, val) do { (hnd).p = val; } while (0)
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#ifdef __XEN_TOOLS__
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#define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0)
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#endif
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#define set_xen_guest_handle(hnd, val) set_xen_guest_handle_raw(hnd, val)
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#if defined (MDE_CPU_IA32)
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#include "xen-x86_32.h"
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#elif defined (MDE_CPU_X64)
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#include "xen-x86_64.h"
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#endif
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#ifndef __ASSEMBLY__
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typedef UINTN xen_pfn_t;
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#define PRI_xen_pfn "lx"
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#endif
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#define XEN_HAVE_PV_UPCALL_MASK 1
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/* Maximum number of virtual CPUs in legacy multi-processor guests. */
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#define XEN_LEGACY_MAX_VCPUS 32
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#ifndef __ASSEMBLY__
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typedef UINTN xen_ulong_t;
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#define PRI_xen_ulong "lx"
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typedef UINT64 tsc_timestamp_t; /* RDTSC timestamp */
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#ifdef MDE_CPU_IA32
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#pragma pack(4)
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#endif
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struct arch_shared_info {
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UINTN max_pfn; /* max pfn that appears in table */
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/* Frame containing list of mfns containing list of mfns containing p2m. */
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xen_pfn_t pfn_to_mfn_frame_list_list;
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UINTN nmi_reason;
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UINT64 pad[32];
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};
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typedef struct arch_shared_info arch_shared_info_t;
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#ifdef MDE_CPU_IA32
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#pragma pack()
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#endif
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#endif /* !__ASSEMBLY__ */
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#endif /* __XEN_PUBLIC_ARCH_X86_XEN_H__ */
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/*
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* Local variables:
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* mode: C
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* c-file-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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