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Annotation of tme/machine/sun2/sun2-impl.h, revision 1.1

1.1     ! root        1: /* $Id: sun2-impl.h,v 1.6 2003/05/16 21:48:13 fredette Exp $ */
        !             2: 
        !             3: /* machine/sun2/sun2-impl.h - implementation header file for Sun 2 emulation: */
        !             4: 
        !             5: /*
        !             6:  * Copyright (c) 2003 Matt Fredette
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * Redistribution and use in source and binary forms, with or without
        !            10:  * modification, are permitted provided that the following conditions
        !            11:  * are met:
        !            12:  * 1. Redistributions of source code must retain the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer.
        !            14:  * 2. Redistributions in binary form must reproduce the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer in the
        !            16:  *    documentation and/or other materials provided with the distribution.
        !            17:  * 3. All advertising materials mentioning features or use of this software
        !            18:  *    must display the following acknowledgement:
        !            19:  *      This product includes software developed by Matt Fredette.
        !            20:  * 4. The name of the author may not be used to endorse or promote products
        !            21:  *    derived from this software without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            25:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            26:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            27:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            28:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            29:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            31:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            32:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            33:  * POSSIBILITY OF SUCH DAMAGE.
        !            34:  */
        !            35: 
        !            36: #ifndef _MACHINE_SUN2_IMPL_H
        !            37: #define _MACHINE_SUN2_IMPL_H
        !            38: 
        !            39: #include <tme/common.h>
        !            40: _TME_RCSID("$Id: sun2-impl.h,v 1.6 2003/05/16 21:48:13 fredette Exp $");
        !            41: 
        !            42: /* includes: */
        !            43: #include <tme/generic/bus.h>
        !            44: #include <tme/generic/ic.h>
        !            45: #include <tme/machine/sun.h>
        !            46: #include <tme/ic/m68k.h>
        !            47: #include <tme/element.h>
        !            48: 
        !            49: /* macros: */
        !            50: 
        !            51: /* the sun2 control register file can be thought of as 16-bit
        !            52:    big-endian memory, so we use a struct tme_ic to hold the register
        !            53:    file, and use the TME_IC_BUS_IREGN macros to map it using real sun2
        !            54:    control addresses: */
        !            55: #define _TME_SUN2_CONTROL_IREG8(addr)  tme_sun2_ic.tme_ic_ireg_uint8(TME_IC_BUS_IREG8(1, TME_ENDIAN_BIG, addr))
        !            56: #define _TME_SUN2_CONTROL_IREG16(addr) tme_sun2_ic.tme_ic_ireg_uint16(TME_IC_BUS_IREG16(1, TME_ENDIAN_BIG, addr))
        !            57: #define tme_sun2_pgmap_hi      _TME_SUN2_CONTROL_IREG16(0x00000000)
        !            58: #define tme_sun2_pgmap_lo      _TME_SUN2_CONTROL_IREG16(0x00000002)
        !            59: #define tme_sun2_segmap                _TME_SUN2_CONTROL_IREG8(0x00000005)
        !            60: #define tme_sun2_context_system        _TME_SUN2_CONTROL_IREG8(0x00000006)
        !            61: #define tme_sun2_context_user  _TME_SUN2_CONTROL_IREG8(0x00000007)
        !            62: #define tme_sun2_idprom                _TME_SUN2_CONTROL_IREG8(0x00000008)
        !            63: #define tme_sun2_diag          _TME_SUN2_CONTROL_IREG8(0x0000000B)
        !            64: #define tme_sun2_buserr                _TME_SUN2_CONTROL_IREG16(0x0000000C)
        !            65: #define tme_sun2_enable                _TME_SUN2_CONTROL_IREG16(0x0000000E)
        !            66: #define TME_SUN2_CONTROL_JUNK  0x00000010
        !            67: 
        !            68: /* real enable register bits: */
        !            69: #define TME_SUN2_ENA_PAR_GEN           (0x01)  /* enable parity generation */
        !            70: #define TME_SUN2_ENA_SOFT_INT_1                (0x02)  /* software interrupt on level 1 */
        !            71: #define TME_SUN2_ENA_SOFT_INT_2                (0x04)  /* software interrupt on level 2 */
        !            72: #define TME_SUN2_ENA_SOFT_INT_3                (0x08)  /* software interrupt on level 3 */
        !            73: #define TME_SUN2_ENA_PAR_CHECK         (0x10)  /* enable parity checking and errors */
        !            74: #define TME_SUN2_ENA_SDVMA             (0x20)  /* enable DVMA */
        !            75: #define TME_SUN2_ENA_INTS              (0x40)  /* enable interrupts */
        !            76: #define TME_SUN2_ENA_NOTBOOT           (0x80)  /* non-boot state */
        !            77: 
        !            78: /* this recovers the control address of a register.  it should
        !            79:    optimize right down to a constant: */
        !            80: #define TME_SUN2_CONTROL_ADDRESS(reg)  \
        !            81:   TME_IC_IREG_BUS(1, TME_ENDIAN_BIG, reg, tme_sun2, tme_sun2_ic.)
        !            82: 
        !            83: /* this starts a bus cycle structure: */
        !            84: #define TME_SUN2_CONTROL_BUS_CYCLE(sun2, addr, cycle)  \
        !            85:   TME_IC_IREG_BUS_CYCLE(1, TME_ENDIAN_BIG, &sun2->tme_sun2_ic, addr, cycle)
        !            86: 
        !            87: /* the page size: */
        !            88: #define TME_SUN2_PAGE_SIZE_LOG2        (11)
        !            89: #define TME_SUN2_PAGE_SIZE     (1 << TME_SUN2_PAGE_SIZE_LOG2)
        !            90: 
        !            91: /* the PROM location: */
        !            92: #define TME_SUN2_PROM_BASE     (0x00EF0000)
        !            93: #define TME_SUN2_PROM_SIZE     (0x00010000)
        !            94: 
        !            95: /* identifiers for the different buses: */
        !            96: #define TME_SUN2_BUS_OBIO      (0)
        !            97: #define TME_SUN2_BUS_OBMEM     (1)
        !            98: #define TME_SUN2_BUS_MBIO      (2)
        !            99: #define TME_SUN2_BUS_MBMEM     (3)
        !           100: #define TME_SUN2_BUS_VME       (4)
        !           101: #define TME_SUN2_BUS_COUNT     (5)
        !           102: 
        !           103: #define TME_SUN2_LOG_HANDLE(sun2) (&(sun2)->tme_sun2_element->tme_element_log_handle)
        !           104: 
        !           105: /* structures: */
        !           106: struct tme_sun2 {
        !           107: 
        !           108:   /* our IC data structure, containing our various registers: */
        !           109:   struct tme_ic tme_sun2_ic;
        !           110: 
        !           111:   /* backpointer to our element: */
        !           112:   struct tme_element *tme_sun2_element;
        !           113: 
        !           114:   /* nonzero if this is a VME sun2: */
        !           115:   int tme_sun2_has_vme;
        !           116: 
        !           117:   /* the IDPROM: */
        !           118:   tme_uint8_t tme_sun2_idprom_contents[TME_SUN_IDPROM_SIZE];
        !           119: 
        !           120:   /* the MMU: */
        !           121:   void *tme_sun2_mmu;
        !           122: 
        !           123:   /* the CPU: */
        !           124:   struct tme_m68k_bus_connection *tme_sun2_m68k;
        !           125: 
        !           126:   /* the different buses: */
        !           127:   struct tme_bus_connection *tme_sun2_buses[TME_SUN2_BUS_COUNT];
        !           128: #define tme_sun2_obio tme_sun2_buses[TME_SUN2_BUS_OBIO]
        !           129: #define tme_sun2_obmem tme_sun2_buses[TME_SUN2_BUS_OBMEM]
        !           130: #define tme_sun2_mbio tme_sun2_buses[TME_SUN2_BUS_MBIO]
        !           131: #define tme_sun2_mbmem tme_sun2_buses[TME_SUN2_BUS_MBMEM]
        !           132: #define tme_sun2_vmebus tme_sun2_buses[TME_SUN2_BUS_VME]
        !           133: 
        !           134:   /* during reset, this handles the special ROM read bus cycles: */
        !           135:   struct tme_m68k_tlb *tme_sun2_reset_tlbs;
        !           136:   unsigned int tme_sun2_reset_tlb_count;
        !           137:   unsigned int tme_sun2_reset_cycles;
        !           138:   void *tme_sun2_reset_cycle_private;
        !           139:   tme_bus_cycle_handler tme_sun2_reset_cycle;
        !           140: 
        !           141:   /* the interrupt lines that are being asserted: */
        !           142:   tme_uint8_t tme_sun2_int_signals[(TME_M68K_IPL_MAX + 1 + 7) >> 3];
        !           143: 
        !           144:   /* the last ipl we gave to the CPU: */
        !           145:   unsigned int tme_sun2_int_ipl_last;
        !           146: };
        !           147: 
        !           148: /* prototypes: */
        !           149: void _tme_sun2_mmu_new _TME_P((struct tme_sun2 *));
        !           150: int _tme_sun2_m68k_tlb_fill _TME_P((struct tme_m68k_bus_connection *, struct tme_m68k_tlb *,
        !           151:                                    unsigned int, tme_uint32_t, unsigned int));
        !           152: int _tme_sun2_bus_tlb_fill _TME_P((struct tme_bus_connection *, struct tme_bus_tlb *,
        !           153:                                   tme_uint32_t, unsigned int));
        !           154: int _tme_sun2_mmu_tlb_set_allocate _TME_P((struct tme_bus_connection *,
        !           155:                                           unsigned int, unsigned int, 
        !           156:                                           TME_ATOMIC_POINTER_TYPE(struct tme_bus_tlb **)));
        !           157: int _tme_sun2_mmu_pte_get _TME_P((struct tme_sun2 *, tme_uint32_t, tme_uint32_t *));
        !           158: int _tme_sun2_mmu_pte_set _TME_P((struct tme_sun2 *, tme_uint32_t, tme_uint32_t));
        !           159: void _tme_sun2_mmu_context_system_set _TME_P((struct tme_sun2 *));
        !           160: void _tme_sun2_mmu_context_user_set _TME_P((struct tme_sun2 *));
        !           161: int _tme_sun2_mmu_reset _TME_P((struct tme_sun2 *));
        !           162: 
        !           163: int _tme_sun2_control_cycle_handler _TME_P((void *, struct tme_bus_cycle *));
        !           164: int _tme_sun2_ipl_check _TME_P((struct tme_sun2 *));
        !           165: 
        !           166: #endif /* !_MACHINE_SUN2_IMPL_H */

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