Return to sun2-impl.h CVS log

Up to [The Machine Emulator] / tme / machine / sun2

Annotation of tme/machine/sun2/sun2-impl.h, revision 1.1.1.2

1.1.1.2 ! root        1: /* $Id: sun2-impl.h,v 1.7 2003/07/29 18:27:10 fredette Exp $ */
1.1       root        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>
1.1.1.2 ! root       40: _TME_RCSID("$Id: sun2-impl.h,v 1.7 2003/07/29 18:27:10 fredette Exp $");
1.1       root       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: 
1.1.1.2 ! root      103: /* the DVMA sizes: */
        !           104: #define TME_SUN2_DVMA_SIZE_MBMEM       (0x00040000)
        !           105: #define TME_SUN2_DVMA_SIZE_VME         (0x000F8000)
        !           106: 
1.1       root      107: #define TME_SUN2_LOG_HANDLE(sun2) (&(sun2)->tme_sun2_element->tme_element_log_handle)
                    108: 
1.1.1.2 ! root      109: /* types: */
        !           110: 
        !           111: /* a sun2 mainbus connection: */
        !           112: struct tme_sun2_bus_connection {
        !           113: 
        !           114:   /* the generic bus connection: */
        !           115:   struct tme_bus_connection tme_sun2_bus_connection;
        !           116: 
        !           117:   /* which bus this is: */
        !           118:   unsigned int tme_sun2_bus_connection_which;
        !           119: };
        !           120: 
        !           121: /* a sun2: */
1.1       root      122: struct tme_sun2 {
                    123: 
                    124:   /* our IC data structure, containing our various registers: */
                    125:   struct tme_ic tme_sun2_ic;
                    126: 
                    127:   /* backpointer to our element: */
                    128:   struct tme_element *tme_sun2_element;
                    129: 
                    130:   /* nonzero if this is a VME sun2: */
                    131:   int tme_sun2_has_vme;
                    132: 
                    133:   /* the IDPROM: */
                    134:   tme_uint8_t tme_sun2_idprom_contents[TME_SUN_IDPROM_SIZE];
                    135: 
                    136:   /* the MMU: */
                    137:   void *tme_sun2_mmu;
                    138: 
                    139:   /* the CPU: */
                    140:   struct tme_m68k_bus_connection *tme_sun2_m68k;
                    141: 
                    142:   /* the different buses: */
                    143:   struct tme_bus_connection *tme_sun2_buses[TME_SUN2_BUS_COUNT];
                    144: #define tme_sun2_obio tme_sun2_buses[TME_SUN2_BUS_OBIO]
                    145: #define tme_sun2_obmem tme_sun2_buses[TME_SUN2_BUS_OBMEM]
                    146: #define tme_sun2_mbio tme_sun2_buses[TME_SUN2_BUS_MBIO]
                    147: #define tme_sun2_mbmem tme_sun2_buses[TME_SUN2_BUS_MBMEM]
                    148: #define tme_sun2_vmebus tme_sun2_buses[TME_SUN2_BUS_VME]
                    149: 
                    150:   /* during reset, this handles the special ROM read bus cycles: */
                    151:   struct tme_m68k_tlb *tme_sun2_reset_tlbs;
                    152:   unsigned int tme_sun2_reset_tlb_count;
                    153:   unsigned int tme_sun2_reset_cycles;
                    154:   void *tme_sun2_reset_cycle_private;
                    155:   tme_bus_cycle_handler tme_sun2_reset_cycle;
                    156: 
                    157:   /* the interrupt lines that are being asserted: */
                    158:   tme_uint8_t tme_sun2_int_signals[(TME_M68K_IPL_MAX + 1 + 7) >> 3];
                    159: 
                    160:   /* the last ipl we gave to the CPU: */
                    161:   unsigned int tme_sun2_int_ipl_last;
                    162: };
                    163: 
                    164: /* prototypes: */
                    165: void _tme_sun2_mmu_new _TME_P((struct tme_sun2 *));
                    166: int _tme_sun2_m68k_tlb_fill _TME_P((struct tme_m68k_bus_connection *, struct tme_m68k_tlb *,
                    167:                                    unsigned int, tme_uint32_t, unsigned int));
                    168: int _tme_sun2_bus_tlb_fill _TME_P((struct tme_bus_connection *, struct tme_bus_tlb *,
                    169:                                   tme_uint32_t, unsigned int));
                    170: int _tme_sun2_mmu_tlb_set_allocate _TME_P((struct tme_bus_connection *,
                    171:                                           unsigned int, unsigned int, 
                    172:                                           TME_ATOMIC_POINTER_TYPE(struct tme_bus_tlb **)));
                    173: int _tme_sun2_mmu_pte_get _TME_P((struct tme_sun2 *, tme_uint32_t, tme_uint32_t *));
                    174: int _tme_sun2_mmu_pte_set _TME_P((struct tme_sun2 *, tme_uint32_t, tme_uint32_t));
                    175: void _tme_sun2_mmu_context_system_set _TME_P((struct tme_sun2 *));
                    176: void _tme_sun2_mmu_context_user_set _TME_P((struct tme_sun2 *));
                    177: int _tme_sun2_mmu_reset _TME_P((struct tme_sun2 *));
                    178: 
                    179: int _tme_sun2_control_cycle_handler _TME_P((void *, struct tme_bus_cycle *));
                    180: int _tme_sun2_ipl_check _TME_P((struct tme_sun2 *));
                    181: 
                    182: #endif /* !_MACHINE_SUN2_IMPL_H */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.