; $Id: bootsector2-api.mac 98103 2023-01-17 14:15:46Z vboxsync $
;; @file
; Bootsector2 API definition for use by split images (kernel < 1MB < image).
;

;
; Copyright (C) 2007-2023 Oracle and/or its affiliates.
;
; This file is part of VirtualBox base platform packages, as
; available from https://www.virtualbox.org.
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation, in version 3 of the
; License.
;
; This program is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
; General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, see <https://www.gnu.org/licenses>.
;
; The contents of this file may alternatively be used under the terms
; of the Common Development and Distribution License Version 1.0
; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
; in the VirtualBox distribution, in which case the provisions of the
; CDDL are applicable instead of those of the GPL.
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; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
;

%ifndef ___bootsector2_api_mac
%define ___bootsector2_api_mac

;*******************************************************************************
;*      Header Files                                                           *
;*******************************************************************************
%include "iprt/asmdefs.mac"
%include "iprt/x86.mac"
%include "bootsector2-structures.mac"

;;
; The load address for big images.
%define BS2_BIG_LOAD_ADDR       0x120000


;;
; API Template for lazy birds.
;
%macro BS2_API_TEMPLATE 0,

 BS2_API_TEMPLATE_ACTION(Bs2DisableA20)
 BS2_API_TEMPLATE_ACTION(Bs2DisableA20ViaKbd)
 BS2_API_TEMPLATE_ACTION(Bs2DisableA20ViaPortA)
 BS2_API_TEMPLATE_ACTION(Bs2DisableNX)
 BS2_API_TEMPLATE_ACTION(Bs2EnableA20)
 BS2_API_TEMPLATE_ACTION(Bs2EnableA20ViaKbd)
 BS2_API_TEMPLATE_ACTION(Bs2EnableA20ViaPortA)
 BS2_API_TEMPLATE_ACTION(Bs2EnableNX)
 BS2_API_TEMPLATE_ACTION(Bs2IsNXSupported)
 BS2_API_TEMPLATE_ACTION(Bs2KbdRead)
 BS2_API_TEMPLATE_ACTION(Bs2KbdWait)
 BS2_API_TEMPLATE_ACTION(Bs2KbdWrite)
 BS2_API_TEMPLATE_ACTION(Bs2PanicIfVMMDevTestingIsMissing)
 BS2_API_TEMPLATE_ACTION(Bs2SetupNX)
 BS2_API_TEMPLATE_ACTION(CalcBenchmarkIterations)
 BS2_API_TEMPLATE_ACTION(CalcTestPerSecond)
 BS2_API_TEMPLATE_ACTION(GetElapsedNanoTS)
 BS2_API_TEMPLATE_ACTION(GetNanoTS)
 BS2_API_TEMPLATE_ACTION(PrintChr)
 BS2_API_TEMPLATE_ACTION(PrintF)
 BS2_API_TEMPLATE_ACTION(PrintStr)
 BS2_API_TEMPLATE_ACTION(PrintStrColonSpaces)
 BS2_API_TEMPLATE_ACTION(PrintStrSpacesColonSpace)
 BS2_API_TEMPLATE_ACTION(PrintU32)
 BS2_API_TEMPLATE_ACTION(ReportResult)
 BS2_API_TEMPLATE_ACTION(Shutdown)
 BS2_API_TEMPLATE_ACTION(StrFormatF)
 BS2_API_TEMPLATE_ACTION(StrFormatV)
 BS2_API_TEMPLATE_ACTION(StrLen)
 BS2_API_TEMPLATE_ACTION(TestCheckTrap)
 BS2_API_TEMPLATE_ACTION(TestDumpCurrentRegisters)
 BS2_API_TEMPLATE_ACTION(TestDumpRegisters)
 BS2_API_TEMPLATE_ACTION(TestFailed)
 BS2_API_TEMPLATE_ACTION(TestFailedF)
 BS2_API_TEMPLATE_ACTION(TestInit)
 BS2_API_TEMPLATE_ACTION(TestRestoreRegisters)
 BS2_API_TEMPLATE_ACTION(TestSaveRegisters)
 BS2_API_TEMPLATE_ACTION(testSendStrCmd)
 BS2_API_TEMPLATE_ACTION(TestSkipped)
 BS2_API_TEMPLATE_ACTION(TestSub)
 BS2_API_TEMPLATE_ACTION(testSubCleanup)
 BS2_API_TEMPLATE_ACTION(TestSubDone)
 BS2_API_TEMPLATE_ACTION(TestSubErrorCount)
 BS2_API_TEMPLATE_ACTION(TestTerm)
 BS2_API_TEMPLATE_ACTION(TestValueReg)
 BS2_API_TEMPLATE_ACTION(TestValueU32)
 BS2_API_TEMPLATE_ACTION(TestInstallTrapRecs)

%endmacro


;;
; This defines the API pointers.
;
ABSOLUTE 0x500
;; Start the structure with a magic number.
NAME(g_u32Bs2ApiMagic):    resd 1
;; And a version number.
NAME(g_u32Bs2ApiVersion):  resd 1

; The real mode and v8086 mode entry points (far pointers).
%undef BS2_API_TEMPLATE_ACTION
%define BS2_API_TEMPLATE_ACTION(a_Name) NAME(g_pfn %+ a_Name %+ _r86): resd 1
BS2_API_TEMPLATE

; The 16-bit protected mode entry points (far pointers).
%undef BS2_API_TEMPLATE_ACTION
%define BS2_API_TEMPLATE_ACTION(a_Name) NAME(g_pfn %+ a_Name %+ _p16): resd 1
BS2_API_TEMPLATE

; The 32-bit protected mode entry points (flat pointers).
%undef BS2_API_TEMPLATE_ACTION
%define BS2_API_TEMPLATE_ACTION(a_Name) NAME(g_pfn %+ a_Name %+ _p32): resd 1
BS2_API_TEMPLATE

; The 64-bit protected (long) mode entry points.
%undef BS2_API_TEMPLATE_ACTION
%define BS2_API_TEMPLATE_ACTION(a_Name) NAME(g_pfn %+ a_Name %+ _p64): resq 1
BS2_API_TEMPLATE

;; End the structure with a magic so it's integrity can be verified.
NAME(g_u32Bs2ApiEndMagic) resd 1

;;
; The current API magic value (Douglas Carl Engelbart).
%define BS2_API_MAGIC       0x19250130

;;
; The current API version.
%define BS2_API_VERSION     0x00010000

BEGINCODE


;; @name Service trap vector interface.
; @{
%define BS2_SYSCALL_TO_RING0        0
%define BS2_SYSCALL_TO_RING1        1
%define BS2_SYSCALL_TO_RING2        2
%define BS2_SYSCALL_TO_RING3        3

;; The service vector.
%define BS2_TRAP_SYSCALL            20h
;; @}

%endif