; Copyright 2009 Castle Technology Ltd
;
; Licensed under the Apache License, Version 2.0 (the "License");
; you may not use this file except in compliance with the License.
; You may obtain a copy of the License at
;
;     http://www.apache.org/licenses/LICENSE-2.0
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.
;
; Stub functions for unsupported/unimplemented HAL features

        GET     Hdr:ListOpts
        GET     Hdr:Macros
        GET     Hdr:System
        GET     Hdr:Machine.<Machine>
        GET     Hdr:ImageSize.<ImageSize>

        GET     Hdr:Proc
        GET     Hdr:OSEntries

        GET     hdr.omap3530
        GET     hdr.StaticWS
        GET     hdr.UART

        AREA    |Asm$$Code|, CODE, READONLY, PIC

        EXPORT   HAL_IICBuses
        EXPORT   HAL_NVMemoryType
        EXPORT   HAL_ATAControllerInfo

;        EXPORT  HAL_VideoFlybackDevice
;        EXPORT  HAL_Video_SetMode
;        EXPORT  HAL_Video_WritePaletteEntry
;        EXPORT  HAL_Video_WritePaletteEntries
;        EXPORT  HAL_Video_ReadPaletteEntry
;        EXPORT  HAL_Video_SetInterlace
;        EXPORT  HAL_Video_SetBlank
;        EXPORT  HAL_Video_SetPowerSave
;        EXPORT  HAL_Video_UpdatePointer
;        EXPORT  HAL_Video_SetDAG
;        EXPORT  HAL_Video_VetMode
;        EXPORT  HAL_Video_PixelFormats
;        EXPORT  HAL_Video_Features
;        EXPORT  HAL_Video_BufferAlignment
;        EXPORT  HAL_Video_OutputFormat
        EXPORT  HAL_KbdScanSetup
        EXPORT  HAL_KbdScan
        EXPORT  HAL_KbdScanFinish
        EXPORT  HAL_KbdScanInterrupt
        EXPORT  HAL_Reset

;        EXPORT  Video_init

HAL_NVMemoryType
        MOV     a1, #0 ; none available
        MOV     pc, lr

HAL_IICBuses
        MOV     a1, #0 ; none available
        MOV     pc, lr

HAL_ATAControllerInfo
        MOV     a1, #0
        MOV     pc, lr

;Video_init
;HAL_Video_SetMode
;HAL_Video_WritePaletteEntry
;HAL_Video_WritePaletteEntries
;HAL_Video_SetInterlace
;HAL_Video_SetBlank
;HAL_Video_SetPowerSave
;HAL_Video_UpdatePointer
;HAL_Video_SetDAG
;        MOV     pc, lr
;
;HAL_Video_OutputFormat
;HAL_Video_VetMode
;        MOV     r0, #0
;        MOV     pc, lr
;
;HAL_VideoFlybackDevice
;        MOV     a1, #-1
;        MOV     pc, lr
;
;HAL_Video_PixelFormats
;        MOV     a1, #2_111111
;        MOV     pc, lr
;
;HAL_Video_ReadPaletteEntry ROUT
;        TEQ     a1, #0
;        TEQNE   a1, #2
;        BICEQ   a1, a2, #&000000FF      ; BBGGRR00
;        MOVNE   a1, #0
;        MOV     pc, lr
;
;HAL_Video_Features
;        MOV     a1, #2_010            ; no hw scroll, hw pointer, no interlace
;        MOV     pc, lr
;
;HAL_Video_BufferAlignment
;        MOV     a1, #4
;        MOV     pc, lr

HAL_KbdScan
        MOV     a1, #&80000000 ; scan complete, no keyboard
HAL_KbdScanSetup
HAL_KbdScanInterrupt
HAL_KbdScanFinish
        MOV     pc, lr

HAL_Reset
        B       HAL_Reset

        END