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- /*************************************************************************
- ** 680x0.library **
- ** **
- ** CPU driver library base library **
- ** **
- ** © 1999 THOR-Software, Thomas Richter **
- ** No commercial use, reassembly, modification without prior, written **
- ** permission of the authors. **
- ** Including this library in any commercial software REQUIRES a **
- ** written permission and the payment of a small fee. **
- ** **
- **---------------------------------------------------------------------**
- ** Definition of the library, and structures **
- ** **
- ** $VER: 40.2 (28.8.1999) © THOR **
- *************************************************************************/
-
- #ifndef LIBRARIES_680X0_H
- #define LIBRARIES_680X0_H
-
- #ifndef EXEC_TYPES_H
- #include <exec/types.h>
- #endif
-
- #ifndef EXEC_LIBRARIES_H
- #include <exec/libraries.h>
- #endif
-
- #ifndef MMU_MMUBASE_H
- #include <mmu/mmubase.h>
- #endif
-
- /* There's really nothing in this library base you need to care about */
-
- struct MC680X0Base {
- struct Library dllib_Library;
- /* more below this point */
- };
-
- #define MC680X0_NAME "680x0.library"
-
- /* Bit definitions for the SetFPUExceptions call, exception disable */
-
- #define FPUCtrlB_BSUN 0L /* disable branch or set on unordered */
- #define FPUCtrlB_INEX 1L /* disable inexact result exception */
- #define FPUCtrlB_DIVZ 2L /* disable divide by zero exception */
- #define FPUCtrlB_UNFL 3L /* disable underflow exception */
- #define FPUCtrlB_OVFL 4L /* disable overflow exception */
- #define FPUCtrlB_SNAN 5L /* disable signalling NAN exception */
- #define FPUCtrlB_OPERR 6L /* disable operand error exception */
-
- #define FPUCtrlF_BSUN (1L<<0L)
- #define FPUCtrlF_INEX (1L<<1L)
- #define FPUCtrlF_DIVZ (1L<<2L)
- #define FPUCtrlF_UNFL (1L<<3L)
- #define FPUCtrlF_OVFL (1L<<4L)
- #define FPUCtrlF_SNAN (1L<<5L)
- #define FPUCtrlF_OPERR (1L<<6L)
-
- /* CPU and FPU definitions. */
-
- #define CPUTYPE_68000 '0' /* a plain 68000*/
- #define CPUTYPE_68010 '1' /* a 68010 */
- #define CPUTYPE_68020 '2' /* a 68020 */
- #define CPUTYPE_68030 '3' /* a 68030 */
- #define CPUTYPE_68040 '4' /* a 68040 */
- #define CPUTYPE_68060 '6' /* a 68060 */
-
- #define FPUTYPE_NONE 0 /* no FPU available */
- #define FPUTYPE_68881 '1' /* the 68881 external FPU */
- #define FPUTYPE_68882 '2' /* the advanced edition of this chip */
- #define FPUTYPE_68040 '4' /* the 68040 buildin FPU */
- #define FPUTYPE_68060 '6' /* the 68060 buildin FPU */
-
- #endif
-