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Text File | 1996-05-01 | 3.0 KB | 122 lines | [TEXT/MPS ] |
- {
- File: NVRAM.p
-
- Contains: NVRAM FPI data structures and function prototypes
-
- Version: Technology:
- Release: Universal Interfaces 3.0d3 on Copland DR1
-
- Copyright: © 1984-1996 by Apple Computer, Inc. All rights reserved.
-
- Bugs?: If you find a problem with this file, send the file and version
- information (from above) and the problem description to:
-
- Internet: apple.bugs@applelink.apple.com
- AppleLink: APPLE.BUGS
-
- }
- {$IFC UNDEFINED UsingIncludes}
- {$SETC UsingIncludes := 0}
- {$ENDC}
-
- {$IFC NOT UsingIncludes}
- UNIT NVRAM;
- INTERFACE
- {$ENDC}
-
- {$IFC UNDEFINED __NVRAM__}
- {$SETC __NVRAM__ := 1}
-
- {$I+}
- {$SETC NVRAMIncludes := UsingIncludes}
- {$SETC UsingIncludes := 1}
-
- {$IFC UNDEFINED __TYPES__}
- {$I Types.p}
- {$ENDC}
- {$IFC UNDEFINED __KERNEL__}
- {$I Kernel.p}
- {$ENDC}
- {$IFC UNDEFINED __OSUTILS__}
- {$I OSUtils.p}
- {$ENDC}
- {$IFC UNDEFINED __ERRORS__}
- {$I Errors.p}
- {$ENDC}
-
- {$PUSH}
- {$ALIGN MAC68K}
- {$LibExport+}
-
- {$IFC FOR_SYSTEM8_PREEMPTIVE }
- {
- NVRAM Error Return Code
- }
-
- CONST
- NVRAMnoErr = 0;
- NVRAMInvalidParm = -50;
- NVRAMReadFailed = -19;
- NVRAMWriteFailed = -20;
- NVRAMServiceFailed = -18;
- NVRAMInstallFailed = -26;
-
- {
- NVRAM Request Code
- }
- kNVRAMpramInitMsg = 1;
- kNVRAMpramReadMsg = 2; { This include read access to System Parameters and XPRAM }
- kNVRAMpramWriteMsg = 3; { This include write access to System Parameters and XPRAM }
- kNVRAMrpramReadMsg = 4;
- kNVRAMrpramWriteMsg = 5;
- kNVRAMReadMsg = 6;
- kNVRAMWriteMsg = 7;
- kNVRAMOpenFirmwareReadMsg = 8;
- kNVRAMOpenFirmwareWriteMsg = 9;
- kNVRAMNameRegistryReadMsg = 10;
- kNVRAMNameRegistryWriteMsg = 11;
- kNVRAMRqstLimit = 12;
-
- {
- Function : NVRAMFPIInit
-
- Description : Find the Object Id property in the family-tree
- This is essential for message passing between FPI and kernel server task.
- This is the main entry for the NVRAMFPI library, and will be called when
- FPI library is loaded by the CFM.
- }
- FUNCTION NVRAMFPIInit: OSStatus; C;
- {
- Function : NVRAMAccessSync
-
- Description : This is common entry point for synchronous access to NVRAM hardware.
- This is an export in the NVRAMFPI library.
- }
- FUNCTION NVRAMAccessSync(offset: UInt32; VAR accessData: Byte; sizeofAccess: ByteCount; typeOfRequest: UInt32): OSStatus; C;
- {
- Function : NVRAMAccessAsync
-
- Description : This is common entry point for asynchronous access to NVRAM hardware
- This is an export in the NVRAMFPI library.
- }
- FUNCTION NVRAMAccessAsync(offset: UInt32; VAR accessData: Byte; sizeofAccess: ByteCount; someTypeofNotification: UNIV Ptr; typeOfRequest: UInt32; VAR replySize: ByteCount; VAR msgID: MessageID): OSStatus; C;
- {
- Test APIs or SPIs
- }
- FUNCTION myInitUtil: OSErr;
- FUNCTION myGetSysPPtr: SysPPtr;
- FUNCTION myWriteParam: OSErr;
- FUNCTION myWriteXPRAM(offset: UInt32; VAR accessdata: Byte; numberOfBytes: ByteCount): OSErr;
- FUNCTION myReadXPRAM(offset: UInt32; VAR accessdata: Byte; numberOfBytes: ByteCount): OSErr;
- {$ENDC}
- {$ALIGN RESET}
- {$POP}
-
- {$SETC UsingIncludes := NVRAMIncludes}
-
- {$ENDC} {__NVRAM__}
-
- {$IFC NOT UsingIncludes}
- END.
- {$ENDC}
-