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Annotation of uae/src/include/compiler.h, revision 1.1

1.1     ! root        1:  /* 
        !             2:   * UAE - The Un*x Amiga Emulator
        !             3:   * 
        !             4:   * m68k -> i386 compiler
        !             5:   *
        !             6:   * (c) 1995 Bernd Schmidt
        !             7:   */
        !             8: 
        !             9: typedef CPTR (*code_execfunc)(void);
        !            10: 
        !            11: struct code_page {
        !            12:     struct code_page *next;
        !            13:     ULONG allocmask;
        !            14: };
        !            15: 
        !            16: struct hash_block {
        !            17:     struct hash_block *lru_next, *lru_prev;
        !            18:     struct hash_entry *he_first;
        !            19: 
        !            20:     struct code_page *cpage;
        !            21:     int alloclen;
        !            22:     ULONG page_allocmask;
        !            23:     char *compile_start;
        !            24:     
        !            25:     int nrefs;
        !            26: 
        !            27:     int translated:1;
        !            28:     int untranslatable:1;
        !            29:     int allocfailed:1;
        !            30: };
        !            31: 
        !            32: struct hash_entry {
        !            33:     struct hash_entry *next,*prev;
        !            34:     struct hash_entry *next_same_block, *lru_next, *lru_prev;
        !            35:     struct hash_block *block;
        !            36:     
        !            37:     code_execfunc execute;
        !            38:     CPTR addr;
        !            39:     ULONG matchword;
        !            40:     int ncalls:8;
        !            41:     int locked:1;
        !            42:     int cacheflush:1;
        !            43: };
        !            44: 
        !            45: extern int nr_bbs_start;
        !            46: extern UBYTE nr_bbs_to_run;
        !            47: extern code_execfunc exec_me;
        !            48: 
        !            49: #ifdef USE_COMPILER
        !            50: static __inline__ void run_compiled_code(void)
        !            51: {
        !            52:     if (regs.spcflags == SPCFLAG_EXEC) {
        !            53:        while (regs.spcflags == SPCFLAG_EXEC) {
        !            54:            CPTR newpc;
        !            55:            regs.spcflags = 0;
        !            56:            /*          newpc = (*exec_me)();*/
        !            57:            __asm__ __volatile__ ("pushl %%ebp; call *%1; popl %%ebp" : "=a" (newpc) : "r" (exec_me) :
        !            58:                                  "%eax", "%edx", "%ecx", "%ebx",
        !            59:                                  "%edi", "%esi", "memory", "cc");
        !            60:            if (nr_bbs_to_run == 0) {
        !            61:                struct hash_entry *h = (struct hash_entry *)newpc;
        !            62:                regs.spcflags = SPCFLAG_EXEC;
        !            63:                exec_me = h->execute;
        !            64:                regs.pc = h->addr;
        !            65:                regs.pc_p = regs.pc_oldp = get_real_address(h->addr);
        !            66:                nr_bbs_to_run = nr_bbs_start;
        !            67:            } else
        !            68:                m68k_setpc_fast(newpc);
        !            69:            do_cycles();
        !            70:        }
        !            71:     } else 
        !            72:        regs.spcflags &= ~SPCFLAG_EXEC;
        !            73: }
        !            74: 
        !            75: extern void compiler_init(void);
        !            76: extern void possible_loadseg(void);
        !            77: 
        !            78: #else
        !            79: 
        !            80: static __inline__ void run_compiled_code(void)
        !            81: {
        !            82: }
        !            83: 
        !            84: static __inline__ void compiler_init(void)
        !            85: {
        !            86: }
        !            87: 
        !            88: static __inline__ void possible_loadseg(void)
        !            89: {
        !            90: }
        !            91: 
        !            92: #endif

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