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{$MACRO ON}
(******************************************************************************
*
* Copyright (c) 1999-2000 Palm, Inc. or its subsidiaries.
* All rights reserved.
*
* File: HAL.h
*
* Release: Palm OS SDK 4.0 (63220)
*
* Description:
* General HAL Equates. This header file contains function prototypes for
* HAL routines, and is used by both Palm OS and the HAL module.
*
* History:
* 5/31/99 SCL Created by Steve Lemke
* 8/24/00 SCL Cleanup; moved boot-related prototypes (HwrInitProcPtr,
* HwrPreRAMInit, and HwrInit) to "HwrBoot.h"
*
*****************************************************************************)
unit hal;
interface
uses palmos, coretraps, errorbase;
(***********************************************************************
* Hardware Manager (HAL) constants
**********************************************************************)
// Error codes related to HwrCustom() API
const
hwrErrHwrCustomNotImplemented = hwrErrorClass or 1;
hwrErrCreatorNotSupported = hwrErrorClass or 2;
hwrErrSelectorNotSupported = hwrErrorClass or 3;
hwrErrParamTooSmall = hwrErrorClass or 4;
(**************************************************************************
* Prototypes of functions used only when running on the real hardware
***************************************************************************)
// HwrCustom call is new in Palm OS 4.0, and many HALs may not support it.
// This won't cause problems though, since the OS installs a default handler
// (in case the HAL doesn't install its own). The default OS handler simply
// always returns hwrErrHwrCustomNotImplemented.
function HwrCustom(creator: UInt32; opCode: UInt32; paramP: Pointer;
var paramSizeP: UInt16): Err; syscall sysTrapHwrCustom;
implementation
end.
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