Написание ОС с нуля: Да зачем нам этот Legacy01.08.2022 17:46
; sysuefi.inc for fasm assembly ;
struc int8 {
align 1
. db ?
}
struc int16 {
align 2
. dw ?
align 1
}
struc int32 {
align 4
. dd ?
align 1
}
struc int64 {
align 8
. dq ?
align 1
}
struc intn {
align 8
. dq ?
align 1
}
struc dptr {
align 8
. dq ?
align 1
}
;symbols
EFIERR = 0x8000000000000000
EFI_SUCCESS = 0
EFI_LOAD_ERROR = EFIERR or 1
EFI_INVALID_PARAMETER = EFIERR or 2
EFI_UNSUPPORTED = EFIERR or 3
EFI_BAD_BUFFER_SIZE = EFIERR or 4
EFI_BUFFER_TOO_SMALL = EFIERR or 5
EFI_NOT_READY = EFIERR or 6
EFI_DEVICE_ERROR = EFIERR or 7
EFI_WRITE_PROTECTED = EFIERR or 8
EFI_OUT_OF_RESOURCES = EFIERR or 9
EFI_VOLUME_CORRUPTED = EFIERR or 10
EFI_VOLUME_FULL = EFIERR or 11
EFI_NO_MEDIA = EFIERR or 12
EFI_MEDIA_CHANGED = EFIERR or 13
EFI_NOT_FOUND = EFIERR or 14
EFI_ACCESS_DENIED = EFIERR or 15
EFI_NO_RESPONSE = EFIERR or 16
EFI_NO_MAPPING = EFIERR or 17
EFI_TIMEOUT = EFIERR or 18
EFI_NOT_STARTED = EFIERR or 19
EFI_ALREADY_STARTED = EFIERR or 20
EFI_ABORTED = EFIERR or 21
EFI_ICMP_ERROR = EFIERR or 22
EFI_TFTP_ERROR = EFIERR or 23
EFI_PROTOCOL_ERROR = EFIERR or 24
macro structure name
{
virtual at 0
name name
end virtual
}
;structureures
EFI_SYSTEM_TABLE_SIGNATURE equ 49h,42h,49h,20h,53h,59h,53h,54h
struc EFI_TABLE_HEADER {
.Signature int64
.Revision int32
.HeaderSize int32
.CRC32 int32
.Reserved int32
}
structure EFI_TABLE_HEADER
struc EFI_SYSTEM_TABLE {
.Hdr EFI_TABLE_HEADER
.FirmwareVendor dptr
.FirmwareRevision int32
.ConsoleInHandle dptr
.ConIn dptr
.ConsoleOutHandle dptr
.ConOut dptr
.StandardErrorHandle dptr
.StdErr dptr
.RuntimeServices dptr
.BootServices dptr
.NumberOfTableEntries intn
.ConfigurationTable dptr
}
structure EFI_SYSTEM_TABLE
struc SIMPLE_TEXT_OUTPUT_INTERFACE {
.Reset dptr
.OutputString dptr
.TestString dptr
.QueryMode dptr
.SetMode dptr
.SetAttribute dptr
.ClearScreen dptr
.SetCursorPosition dptr
.EnableCursor dptr
.Mode dptr
}
structure SIMPLE_TEXT_OUTPUT_INTERFACE
;---include ends
struc SIMPLE_INPUT_INTERFACE {
.Reset dptr
.ReadKeyStroke dptr
.WaitForKey dptr
}
structure SIMPLE_INPUT_INTERFACE
struc EFI_BOOT_SERVICES_TABLE {
.Hdr EFI_TABLE_HEADER
.RaisePriority dptr
.RestorePriority dptr
.AllocatePages dptr
.FreePages dptr
.GetMemoryMap dptr
.AllocatePool dptr
.FreePool dptr
.CreateEvent dptr
.SetTimer dptr
.WaitForEvent dptr
.SignalEvent dptr
.CloseEvent dptr
.CheckEvent dptr
.InstallProtocolInterface dptr
.ReInstallProtocolInterface dptr
.UnInstallProtocolInterface dptr
.HandleProtocol dptr
.Void dptr
.RegisterProtocolNotify dptr
.LocateHandle dptr
.LocateDevicePath dptr
.InstallConfigurationTable dptr
.ImageLoad dptr
.ImageStart dptr
.Exit dptr
.ImageUnLoad dptr
.ExitBootServices dptr
.GetNextMonotonicCount dptr
.Stall dptr
.SetWatchdogTimer dptr
.ConnectController dptr
.DisConnectController dptr
.OpenProtocol dptr
.CloseProtocol dptr
.OpenProtocolInformation dptr
.ProtocolsPerHandle dptr
.LocateHandleBuffer dptr
.LocateProtocol dptr
.InstallMultipleProtocolInterfaces dptr
.UnInstallMultipleProtocolInterfaces dptr
.CalculateCrc32 dptr
.CopyMem dptr
.SetMem dptr
}
structure EFI_BOOT_SERVICES_TABLE
struc EFI_RUNTIME_SERVICES_TABLE {
.Hdr EFI_TABLE_HEADER
.GetTime dptr
.SetTime dptr
.GetWakeUpTime dptr
.SetWakeUpTime dptr
.SetVirtualAddressMap dptr
.ConvertPointer dptr
.GetVariable dptr
.GetNextVariableName dptr
.SetVariable dptr
.GetNextHighMonoCount dptr
.ResetSystem dptr
}
structure EFI_RUNTIME_SERVICES_TABLE
struc EFI_TIME {
.Year int16
.Month int8
.Day int8
.Hour int8
.Minute int8
.Second int8
.Pad1 int8
.Nanosecond int32
.TimeZone int16
.Daylight int8
.Pad2 int8
.sizeof rb 1
}
structure EFI_TIME
EFI_LOADED_IMAGE_PROTOCOL_UUID equ 0A1h,31h,1bh,5bh,62h,95h,0d2h,11h,8Eh,3Fh,0h,0A0h,0C9h,69h,72h,3Bh
struc EFI_LOADED_IMAGE_PROTOCOL {
.Revision int32
.ParentHandle int64
.SystemTable dptr
.DeviceHandle int64
.FilePath dptr
.Reserved int64
.LoadOptionsSize int32
.ImageBase dptr
.ImageSize int64
.ImageCodeType int32
.ImageDataType int32
.UnLoad dptr
}
structure EFI_LOADED_IMAGE_PROTOCOL
EFI_BLOCK_IO_PROTOCOL_UUID equ 21h,5bh,4eh,96h,59h,64h,0d2h,11h,8eh,39h,00h,0a0h,0c9h,69h,72h,3bh
struc EFI_BLOCK_IO_PROTOCOL {
.Revision int64
.Media dptr
.Reset dptr
.ReadBlocks dptr
.WriteBlocks dptr
.FlushBlocks dptr
}
structure EFI_BLOCK_IO_PROTOCOL
struc EFI_BLOCK_IO_MEDIA {
.MediaId int32
.RemovableMedia int8
.MediaPresent int8
.LogicalPartition int8
.ReadOnly int8
.WriteCaching int8
.BlockSize int32
.IoAlign int32
.LastBlock int64
}
structure EFI_BLOCK_IO_MEDIA
EFI_GRAPHICS_OUTPUT_PROTOCOL_UUID equ 0deh, 0a9h, 42h,90h,0dch,023h,38h,04ah,96h,0fbh,7ah,0deh,0d0h,80h,51h,6ah
struc EFI_GRAPHICS_OUTPUT_PROTOCOL {
.QueryMode dptr
.SetMode dptr
.Blt dptr
.Mode dptr
}
structure EFI_GRAPHICS_OUTPUT_PROTOCOL
struc EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE {
.MaxMode int32
.CurrentMode int32
.ModeInfo dptr
.SizeOfModeInfo intn
.FrameBufferBase dptr
.FrameBufferSize intn
}
structure EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE
struc EFI_GRAPHICS_OUTPUT_MODE_INFORMATION {
.Version int32
.HorizontalResolution int32
.VerticalResolution int32
.PixelFormat int32
.RedMask int32
.GreenMask int32
.BlueMask int32
.Reserved int32
.PixelsPerScanline int32
}
structure EFI_GRAPHICS_OUTPUT_MODE_INFORMATION
macro InitializeLib
{
clc
or rdx, rdx
jz .badout
cmp dword [rdx], 20494249h
je @f
.badout: xor rcx, rcx
xor rdx, rdx
stc
@@: mov [efi_handler], rcx
mov [efi_ptr], rdx
}
macro uefi_call_wrapper interface,function,arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11
{
numarg = 0
if ~ arg11 eq
numarg = numarg + 1
if ~ arg11 eq rdi
mov rdi, arg11
end if
end if
if ~ arg10 eq
numarg = numarg + 1
if ~ arg10 eq rsi
mov rsi, arg10
end if
end if
if ~ arg9 eq
numarg = numarg + 1
if ~ arg9 eq r14
mov r14, arg9
end if
end if
if ~ arg8 eq
numarg = numarg + 1
if ~ arg8 eq r13
mov r13, arg8
end if
end if
if ~ arg7 eq
numarg = numarg + 1
if ~ arg7 eq r12
mov r12, arg7
end if
end if
if ~ arg6 eq
numarg = numarg + 1
if ~ arg6 eq r11
mov r11, arg6
end if
end if
if ~ arg5 eq
numarg = numarg + 1
if ~ arg5 eq r10
mov r10, arg5
end if
end if
if ~ arg4 eq
numarg = numarg + 1
if ~ arg4 eq r9
mov r9, arg4
end if
end if
if ~ arg3 eq
numarg = numarg + 1
if ~ arg3 eq r8
mov r8, arg3
end if
end if
if ~ arg2 eq
numarg = numarg + 1
if ~ arg2 eq rdx
mov rdx, arg2
end if
end if
if ~ arg1 eq
numarg = numarg + 1
if ~ arg1 eq rcx
if ~ arg1 in
mov rcx, arg1
end if
end if
end if
xor rax, rax
mov al, numarg
if interface in
mov rbx, [efi_ptr]
mov rbx, [rbx + EFI_SYSTEM_TABLE.#interface]
else
if ~ interface eq rbx
mov rbx, interface
end if
end if
if arg1 in
mov rcx, rbx
end if
if defined SIMPLE_INPUT_INTERFACE.#function
mov rbx, [rbx + SIMPLE_INPUT_INTERFACE.#function]
else
if defined SIMPLE_TEXT_OUTPUT_INTERFACE.#function
mov rbx, [rbx + SIMPLE_TEXT_OUTPUT_INTERFACE.#function]
else
if defined EFI_BOOT_SERVICES_TABLE.#function
mov rbx, [rbx + EFI_BOOT_SERVICES_TABLE.#function]
else
if defined EFI_RUNTIME_SERVICES_TABLE.#function
mov rbx, [rbx + EFI_RUNTIME_SERVICES_TABLE.#function]
else
if defined EFI_GRAPHICS_OUTPUT_PROTOCOL.#function
mov rbx, [rbx + EFI_GRAPHICS_OUTPUT_PROTOCOL.#function]
else
if defined EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.#function
mov rbx, [rbx + EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.#function]
else
mov rbx, [rbx + function]
end if
end if
end if
end if
end if
end if
call uefifunc
}
section '.text' code executable readable
uefifunc:
mov qword [uefi_rsptmp], rsp
and esp, 0FFFFFFF0h
bt eax, 0
jnc @f
push rax
@@: cmp al, 11
jb @f
push rdi
@@: cmp al, 10
jb @f
push rsi
@@: cmp al, 9
jb @f
push r14
@@: cmp al, 8
jb @f
push r13
@@: cmp al, 7
jb @f
push r12
@@: cmp al, 6
jb @f
push r11
@@: cmp al, 5
jb @f
push r10
@@:
sub rsp, 4*8
call rbx
mov rsp, qword [uefi_rsptmp]
ret
section '.data' data readable writeable
efi_handler: dq 0
efi_ptr: dq 0
uefi_rsptmp: dq 0
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