windows-nt/Source/XPSP1/NT/base/boot/lib/amd64/amd64prv.h

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 2000 Microsoft Corporation
Module Name:
amd64prv.h
Abstract:
This header file defines private interfaces shared between the following
modules:
amd64.c
amd64s.asm
amd64x86.c
Author:
Forrest Foltz (forrestf) 20-Apr-00
Revision History:
--*/
#if !defined(_AMD64PRV_H_)
#define _AMD64PRV_H_
//
// 64-bit pointer and LONG_PTR fields are changed to this
//
typedef LONGLONG POINTER64;
//
// KSEG0 definitions for both the AMD64 and X86 platforms. Note that
// these are duplicated from amd64.h and i386.h, respectively.
//
#define KSEG0_BASE_AMD64 0xFFFFF80000000000UI64
#define KSEG0_SIZE_AMD64 0x0000000040000000UI64
#define KSEG0_LIMIT_AMD64 (KSEG0_BASE_AMD64 + KSEG0_SIZE_AMD64)
#define KSEG0_BASE_X86 0x80000000
#define KSEG0_SIZE_X86 0x40000000
#define KSEG0_LIMIT_X86 (KSEG0_BASE_X86 + KSEG0_SIZE_X86)
#define IS_KSEG0_PTR_X86(x) (((x) >= KSEG0_BASE_X86) && ((x) < KSEG0_LIMIT_X86))
#define IS_KSEG0_PTR_AMD64(x) (((x) >= KSEG0_BASE_AMD64) && ((x) < KSEG0_LIMIT_AMD64))
__inline
POINTER64
PTR_64(
IN PVOID Pointer32
)
/*++
Routine Description:
This function is used by the loader to convert a 32-bit X86 KSEG0 pointer
to a 64-bit AMD64 KSEG0 pointer.
Arguments:
Pointer32 - Supplies the 32-bit KSEG0 pointer to convert.
Return value:
Returns the equivalent 64-bit KSEG0 pointer.
--*/
{
ULONG pointer32;
ULONGLONG pointer64;
if (Pointer32 == NULL) {
return 0;
}
ASSERT( IS_KSEG0_PTR_X86((ULONG)Pointer32) != FALSE );
pointer32 = (ULONG)Pointer32 - KSEG0_BASE_X86;
pointer64 = KSEG0_BASE_AMD64 + pointer32;
return (POINTER64)pointer64;
}
__inline
PVOID
PTR_32(
IN POINTER64 Pointer64
)
/*++
Routine Description:
This function is used by the loader to convert a 64-bit AMD64 KSEG0
pointer to a 32-bit X86 KSEG0 pointer.
Arguments:
Pointer64 - Supplies the 64-bit KSEG0 pointer to convert.
Return value:
Returns the equivalent 32-bit KSEG0 pointer.
--*/
{
ULONG pointer32;
if (Pointer64 == 0) {
return NULL;
}
ASSERT( IS_KSEG0_PTR_AMD64(Pointer64) != FALSE );
pointer32 = (ULONG)(Pointer64 - KSEG0_BASE_AMD64 + KSEG0_BASE_X86);
return (PVOID)pointer32;
}
//
// Macros
//
#define PAGE_MASK ((1 << PAGE_SHIFT) - 1)
#define ROUNDUP_X(x,m) (((x)+(m)-1) & ~((m)-1))
//
// Size round up
//
#define ROUNDUP16(x) ROUNDUP_X(x,16)
#define ROUNDUP_PAGE(x) ROUNDUP_X(x,PAGE_SIZE)
//
// Shared PTE, PFN types
//
typedef ULONG PFN_NUMBER32, *PPFN_NUMBER32;
typedef ULONGLONG PFN_NUMBER64, *PPFN_NUMBER64;
#if defined(_AMD64_)
typedef ULONG PTE_X86, *PPTE_X86;
typedef HARDWARE_PTE PTE_AMD64, *PPTE_AMD64;
#elif defined(_X86_)
typedef ULONGLONG PTE_AMD64, *PPTE_AMD64;
typedef HARDWARE_PTE PTE_X86, *PPTE_X86;
#else
#error "Target architecture not defined"
#endif
//
// Descriptor table descriptor
//
#pragma pack(push,1)
typedef struct DESCRIPTOR_TABLE_DESCRIPTOR {
USHORT Limit;
POINTER64 Base;
} DESCRIPTOR_TABLE_DESCRIPTOR, *PDESCRIPTOR_TABLE_DESCRIPTOR;
#pragma pack(pop)
//
// Structures found within the CM_PARTIAL_RESOURCE_DESCRIPTOR union
//
typedef struct _CM_PRD_GENERIC {
PHYSICAL_ADDRESS Start;
ULONG Length;
} CM_PRD_GENERIC, *PCM_PRD_GENERIC;
typedef struct _CM_PRD_PORT {
PHYSICAL_ADDRESS Start;
ULONG Length;
} CM_PRD_PORT, *PCM_PRD_PORT;
typedef struct _CM_PRD_INTERRUPT {
ULONG Level;
ULONG Vector;
KAFFINITY Affinity;
} CM_PRD_INTERRUPT, *PCM_PRD_INTERRUPT;
typedef struct _CM_PRD_MEMORY {
PHYSICAL_ADDRESS Start;
ULONG Length;
} CM_PRD_MEMORY, *PCM_PRD_MEMORY;
typedef struct _CM_PRD_DMA {
ULONG Channel;
ULONG Port;
ULONG Reserved1;
} CM_PRD_DMA, *PCM_PRD_DMA;
typedef struct _CM_PRD_DEVICEPRIVATE {
ULONG Data[3];
} CM_PRD_DEVICEPRIVATE, *PCM_PRD_DEVICEPRIVATE;
typedef struct _CM_PRD_BUSNUMBER {
ULONG Start;
ULONG Length;
ULONG Reserved;
} CM_PRD_BUSNUMBER, *PCM_PRD_BUSNUMBER;
typedef struct _CM_PRD_DEVICESPECIFICDATA {
ULONG DataSize;
ULONG Reserved1;
ULONG Reserved2;
} CM_PRD_DEVICESPECIFICDATA, *PCM_PRD_DEVICESPECIFICDATA;
//
// Define page table structure.
//
#define PTES_PER_PAGE (PAGE_SIZE / sizeof(HARDWARE_PTE))
typedef HARDWARE_PTE PAGE_TABLE[ PTES_PER_PAGE ];
typedef HARDWARE_PTE *PPAGE_TABLE;
typedef struct _AMD64_PAGE_TABLE {
PTE_AMD64 PteArray[ PTES_PER_PAGE ];
} AMD64_PAGE_TABLE, *PAMD64_PAGE_TABLE;
//
// Constants that are already defined in other header files but are not
// (yet) included here
//
#define LU_BASE_ADDRESS (ULONG)0xFEE00000
//
// Inclusion of this header file by both amd64.c and amd64x86.c ensures that
// a PAGE_TABLE is the same size for both platforms.
//
C_ASSERT( sizeof(PAGE_TABLE) == PAGE_SIZE );
//
// 64-bit GDT entry
//
typedef struct _GDT_64 *PGDT_64;
//
// We keep some information for each AMD64 mapping level
//
typedef struct _AMD64_MAPPING_LEVEL {
ULONGLONG RecursiveMappingBase;
ULONG AddressMask;
ULONG AddressShift;
} CONST AMD64_MAPPING_INFO, *PAMD64_MAPPING_INFO;
//
// Routines and data found in amd64.c and referenced in amd64x86.c
//
#define AMD64_MAPPING_LEVELS 4
extern AMD64_MAPPING_INFO BlAmd64MappingLevels[ AMD64_MAPPING_LEVELS ];
extern const ULONG BlAmd64DoubleFaultStackSize;
#define DOUBLE_FAULT_STACK_SIZE_64 BlAmd64DoubleFaultStackSize
extern const ULONG BlAmd64KernelStackSize;
#define KERNEL_STACK_SIZE_64 BlAmd64KernelStackSize
extern const ULONG BlAmd64McaExceptionStackSize;
#define MCA_EXCEPTION_STACK_SIZE_64 BlAmd64McaExceptionStackSize
extern const ULONG BlAmd64GdtSize;
#define GDT_64_SIZE BlAmd64GdtSize
extern const ULONG BlAmd64IdtSize;
#define IDT_64_SIZE BlAmd64IdtSize
extern const ULONG BlAmd64_TSS_IST_PANIC;
#define TSS64_IST_PANIC BlAmd64_TSS_IST_PANIC
extern const ULONG BlAmd64_TSS_IST_MCA;
#define TSS64_IST_MCA BlAmd64_TSS_IST_MCA
extern const ULONG64 BlAmd64UserSharedData;
#define KI_USER_SHARED_DATA_64 BlAmd64UserSharedData
VOID
BlAmd64ClearTopLevelPte(
VOID
);
VOID
BlAmd64BuildAmd64GDT(
IN PVOID SysTss,
OUT PVOID Gdt
);
VOID
BlAmd64BuildGdtEntry(
IN PGDT_64 Gdt,
IN USHORT Selector,
IN POINTER64 Base,
IN ULONGLONG Limit,
IN ULONG Type,
IN ULONG Dpl,
IN BOOLEAN LongMode,
IN BOOLEAN DefaultBig
);
ARC_STATUS
BlAmd64CreateMapping(
IN ULONGLONG Va,
IN ULONGLONG Pfn
);
ARC_STATUS
BlAmd64MapHalVaSpace(
VOID
);
//
// Routines and data found in amd64x86.c and referenced in amd64.c
//
PAMD64_PAGE_TABLE
BlAmd64AllocatePageTable(
VOID
);
VOID
BlAmd64InitializePageTable(
IN PPAGE_TABLE PageTable
);
ARC_STATUS
BlAmd64PrepForTransferToKernelPhase1(
IN PLOADER_PARAMETER_BLOCK BlLoaderBlock
);
VOID
BlAmd64PrepForTransferToKernelPhase2(
IN PLOADER_PARAMETER_BLOCK BlLoaderBlock
);
ARC_STATUS
BlAmd64TransferToKernel(
IN PTRANSFER_ROUTINE SystemEntry,
IN PLOADER_PARAMETER_BLOCK BlLoaderBlock
);
//
// Routines and data found in amd64s.asm and referenced elsewhere
//
BOOLEAN
BlIsAmd64Supported (
VOID
);
//
// Shared data
//
#endif // _AMD64PRV_H_