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181 lines
6.8 KiB
C
181 lines
6.8 KiB
C
/* $Id: sun.h,v 1.13 2009/08/30 13:54:40 fredette Exp $ */
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/* tme/machine/sun.h - public header file for Sun emulation: */
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/*
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* Copyright (c) 2003 Matt Fredette
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Matt Fredette.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TME_MACHINE_SUN_H
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#define _TME_MACHINE_SUN_H
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#include <tme/common.h>
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_TME_RCSID("$Id: sun.h,v 1.13 2009/08/30 13:54:40 fredette Exp $");
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/* includes: */
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#include <tme/element.h>
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#include <tme/generic/bus.h>
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/* macros: */
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/* the size of the classic Sun IDPROM: */
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#define TME_SUN_IDPROM_SIZE (32)
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/* the size of a classic Sun z8530: */
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#define TME_SUN_Z8530_SIZE (8)
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/* classic Sun z8530 socket: */
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#define TME_SUN_Z8530_SOCKET_INIT { \
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TME_Z8530_SOCKET_0, /* the socket version */ \
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0, /* socket flags */ \
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4, /* the bus address of channel A */ \
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0, /* the bus address of channel B */ \
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0, /* within each channel, the offset of the csr register */ \
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2, /* within each channel, the offset of the data register */ \
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3, /* the system bus byte lane the chip is wired to (D31-D24, may be overridden) */ \
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(9600 * 512) /* the clock rate provided to the chip: */ \
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}
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/* classic two-level Sun MMU protections: */
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#define TME_SUN_MMU_PTE_PROT_MASK (0x3)
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#define TME_SUN_MMU_PTE_PROT_ABORT (0x0)
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#define TME_SUN_MMU_PTE_PROT_ERROR (0x1)
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#define TME_SUN_MMU_PTE_PROT_RO (0x2)
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#define TME_SUN_MMU_PTE_PROT_RW (0x3)
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/* classic two-level Sun MMU page table entry bits: */
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#define TME_SUN_MMU_PTE_PROT_USER(x) ((x) << 0)
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#define TME_SUN_MMU_PTE_PROT_SYSTEM(x) ((x) << 2)
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#define TME_SUN_MMU_PTE_VALID TME_BIT(4)
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#define TME_SUN_MMU_PTE_REF TME_BIT(5)
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#define TME_SUN_MMU_PTE_MOD TME_BIT(6)
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#define _TME_SUN_MMU_PTE_X(x) ((x) << 7)
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/* a filled TLB entry can be valid for the system, or the user, or
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both. because TME_BIT is a little too paranoid and uses a type
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cast, we can't use it and then use these macros in preprocessor
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expressions: */
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#define TME_SUN_MMU_TLB_SYSTEM (1 << 0)
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#define TME_SUN_MMU_TLB_USER (1 << 1)
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/* real sun IDPROM offsets: */
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#define TME_SUN_IDPROM_OFF_MACHTYPE (0x1)
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/* real sun IDPROM machine type architecture and model identifiers: */
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#define TME_SUN_IDPROM_TYPE_MASK_ARCH (0xf0)
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#define TME_SUN_IDPROM_TYPE_ARCH_SUN4 (0x20)
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#define TME_SUN_IDPROM_TYPE_ARCH_SUN4C (0x50)
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#define TME_SUN_IDPROM_TYPE_CODE_CALVIN (0x55)
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/* structures: */
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/* one page table entry in a classic two-level Sun MMU: */
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struct tme_sun_mmu_pte {
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/* the original raw page table entry: */
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tme_uint32_t tme_sun_mmu_pte_raw;
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/* a collection of flags: */
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unsigned short tme_sun_mmu_pte_flags;
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};
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/* the parameters for a classic two-level Sun MMU: */
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struct tme_sun_mmu_info {
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/* the mainbus element: */
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struct tme_element *tme_sun_mmu_info_element;
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/* the number of bits in an address: */
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tme_uint8_t tme_sun_mmu_info_address_bits;
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/* the number of bits in a page offset: */
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tme_uint8_t tme_sun_mmu_info_pgoffset_bits;
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/* the number of bits in a page table entry index: */
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tme_uint8_t tme_sun_mmu_info_pteindex_bits;
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/* if greater than zero, the number of top address bits in a region
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map entry index. if less than zero, the number of top address
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bits that must be the same, and define the address hole: */
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tme_int8_t tme_sun_mmu_info_topindex_bits;
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/* the number of contexts: */
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tme_uint8_t tme_sun_mmu_info_contexts;
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/* the number of PMEGs: */
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unsigned short tme_sun_mmu_info_pmegs;
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/* a TLB filler: */
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void *tme_sun_mmu_info_tlb_fill_private;
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int (*tme_sun_mmu_info_tlb_fill) _TME_P((void *, struct tme_bus_tlb *, struct tme_sun_mmu_pte *, tme_uint32_t *, unsigned int));
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/* the protection error cycle handler: */
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void *tme_sun_mmu_info_proterr_private;
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tme_bus_cycle_handler tme_sun_mmu_info_proterr;
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/* the page-invalid cycle handler: */
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void *tme_sun_mmu_info_invalid_private;
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tme_bus_cycle_handler tme_sun_mmu_info_invalid;
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};
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/* prototypes: */
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/* MMU support: */
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void *tme_sun_mmu_new _TME_P((struct tme_sun_mmu_info *));
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int tme_sun_mmu_pte_set _TME_P((void *, tme_uint8_t, tme_uint32_t, struct tme_sun_mmu_pte *));
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int tme_sun_mmu_pte_get _TME_P((void *, tme_uint8_t, tme_uint32_t, struct tme_sun_mmu_pte *));
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void tme_sun_mmu_segmap_set _TME_P((void *, tme_uint8_t, tme_uint32_t, unsigned short));
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unsigned short tme_sun_mmu_segmap_get _TME_P((void *, tme_uint8_t, tme_uint32_t));
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unsigned short tme_sun_mmu_tlb_fill _TME_P((void *, struct tme_bus_tlb *, tme_uint8_t, tme_uint32_t, unsigned short));
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void tme_sun_mmu_tlbs_invalidate _TME_P((void *));
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void tme_sun_mmu_context_add _TME_P((void *, _tme_const struct tme_bus_tlb *));
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void tme_sun_mmu_context_switched _TME_P((void *));
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int tme_sun_mmu_tlb_set_add _TME_P((void *, struct tme_bus_tlb_set_info *));
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/* onboard Intel Ethernet support: */
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int tme_sun_obie _TME_P((struct tme_element *, _tme_const char * _tme_const *, char **));
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/* bwtwo support: */
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int tme_sun_bwtwo _TME_P((struct tme_element *, _tme_const char * _tme_const *, char **));
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/* si support: */
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int tme_sun_si _TME_P((struct tme_element *, _tme_const char * _tme_const *, char **));
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/* cgtwo support: */
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int tme_sun_cgtwo _TME_P((struct tme_element *, _tme_const char * _tme_const *, char **));
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/* cgthree support: */
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int tme_sun_cgthree _TME_P((struct tme_element *, _tme_const char * _tme_const *, char **));
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/* cgsix support: */
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int tme_sun_cgsix _TME_P((struct tme_element *, _tme_const char * _tme_const *, char **));
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#endif /* !_TME_MACHINE_SUN_H */
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