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Annotation of previous_trunk/src/cpu/hatari-glue.c, revision 1.1

1.1     ! root        1: /*
        !             2:   Hatari - hatari-glue.c
        !             3: 
        !             4:   This file is distributed under the GNU Public License, version 2 or at
        !             5:   your option any later version. Read the file gpl.txt for details.
        !             6: 
        !             7:   This file contains some code to glue the UAE CPU core to the rest of the
        !             8:   emulator and Hatari's "illegal" opcodes.
        !             9: */
        !            10: const char HatariGlue_fileid[] = "Hatari hatari-glue.c : " __DATE__ " " __TIME__;
        !            11: 
        !            12: 
        !            13: #include <stdio.h>
        !            14: 
        !            15: #include "main.h"
        !            16: #include "configuration.h"
        !            17: #include "video.h"
        !            18: #include "sysReg.h"
        !            19: 
        !            20: #include "sysdeps.h"
        !            21: #include "maccess.h"
        !            22: #include "memory.h"
        !            23: #include "newcpu.h"
        !            24: #include "hatari-glue.h"
        !            25: 
        !            26: 
        !            27: struct uae_prefs currprefs, changed_prefs;
        !            28: 
        !            29: 
        !            30: 
        !            31: /**
        !            32:  * Return interrupt number (1 - 7), 0 means no interrupt.
        !            33:  * Note that the interrupt stays pending if it can't be executed yet
        !            34:  * due to the interrupt level field in the SR.
        !            35:  */
        !            36: int intlev(void) {
        !            37:     /* Poll interrupt level from interrupt status and mask registers
        !            38:      * --> see sysReg.c
        !            39:      */
        !            40:     return get_interrupt_level();
        !            41: }
        !            42: 
        !            43: /**
        !            44:  * Initialize 680x0 emulation
        !            45:  */
        !            46: int Init680x0(void) {
        !            47:        currprefs.cpu_level = changed_prefs.cpu_level = ConfigureParams.System.nCpuLevel;
        !            48: 
        !            49:        switch (currprefs.cpu_level) {
        !            50:                case 3 : currprefs.cpu_model = 68030; break;
        !            51:                case 4 : currprefs.cpu_model = 68040; break;
        !            52:                default: fprintf (stderr, "Init680x0() : Error, cpu_level not supported (%i)\n",currprefs.cpu_model);
        !            53:        }
        !            54:     
        !            55:     currprefs.fpu_model = changed_prefs.fpu_model = ConfigureParams.System.n_FPUType;
        !            56:     switch (currprefs.fpu_model) {
        !            57:         case 68881: currprefs.fpu_revision = 0x1f; break;
        !            58:         case 68882: currprefs.fpu_revision = 0x20; break;
        !            59:         case 68040:
        !            60:             if (ConfigureParams.System.bTurbo)
        !            61:                 currprefs.fpu_revision = 0x41;
        !            62:             else
        !            63:                 currprefs.fpu_revision = 0x40;
        !            64:             break;
        !            65:                default: fprintf (stderr, "Init680x0() : Error, fpu_model unknown\n");
        !            66:     }
        !            67:        
        !            68:        currprefs.cpu_compatible = changed_prefs.cpu_compatible = ConfigureParams.System.bCompatibleCpu;
        !            69:        currprefs.fpu_strict = changed_prefs.fpu_strict = ConfigureParams.System.bCompatibleFPU;
        !            70:     currprefs.mmu_model = changed_prefs.mmu_model = ConfigureParams.System.bMMU?changed_prefs.cpu_model:0;
        !            71: 
        !            72:        write_log("Init680x0() called\n");
        !            73: 
        !            74:        init_m68k();
        !            75: 
        !            76:        return true;
        !            77: }
        !            78: 
        !            79: 
        !            80: /**
        !            81:  * Deinitialize 680x0 emulation
        !            82:  */
        !            83: void Exit680x0(void)
        !            84: {
        !            85:        memory_uninit();
        !            86: 
        !            87:        free(table68k);
        !            88:        table68k = NULL;
        !            89: }

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