mirror of
https://github.com/kanjitalk755/macemu.git
synced 2024-11-18 18:05:21 +00:00
add windows specific sysdeps.h as they are stable enough now. lowered constant
offset to 0x02000000 so that we can cope with the new RAM_BASE value.
This commit is contained in:
gbeauche
parent
2990a3ddfc
commit
c044b1d8eb
384
SheepShaver/src/Windows/sysdeps.h
Executable file
384
SheepShaver/src/Windows/sysdeps.h
Executable file
@ -0,0 +1,384 @@
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/*
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* sysdeps.h - System dependent definitions for Windows
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*
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* SheepShaver (C) 1997-2005 Christian Bauer and Marc Hellwig
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SYSDEPS_H
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#define SYSDEPS_H
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#ifndef __STDC__
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#error "Your compiler is not ANSI. Get a real one."
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#endif
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#include "config.h"
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#include "user_strings_windows.h"
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#ifndef STDC_HEADERS
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#error "You don't have ANSI C header files."
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#endif
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <windows.h>
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// Define for external components
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#define SHEEPSHAVER 1
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#define POWERPC_ROM 1
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#define EMULATED_PPC 1
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// Use Direct Addressing mode
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#define DIRECT_ADDRESSING 1
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#define NATMEM_OFFSET 0x02000000
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// Mac ROM is write protected when banked memory is used
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#if REAL_ADDRESSING || DIRECT_ADDRESSING
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# define ROM_IS_WRITE_PROTECTED 0
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# define USE_SCRATCHMEM_SUBTERFUGE 1
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#else
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# define ROM_IS_WRITE_PROTECTED 1
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#endif
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// Configure PowerPC emulator
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#define PPC_REENTRANT_JIT 1
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#define PPC_CHECK_INTERRUPTS 1
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#define PPC_DECODE_CACHE 1
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#define PPC_FLIGHT_RECORDER 1
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#define PPC_PROFILE_COMPILE_TIME 0
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#define PPC_PROFILE_GENERIC_CALLS 0
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#define KPX_MAX_CPUS 1
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#if ENABLE_DYNGEN
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// Don't bother with predecode cache when using JIT
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#define PPC_ENABLE_JIT 1
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#undef PPC_DECODE_CACHE
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#endif
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#if defined(__i386__)
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#define DYNGEN_ASM_OPTS 1
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#endif
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// Data types
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typedef unsigned char uint8;
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typedef signed char int8;
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#if SIZEOF_SHORT == 2
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typedef unsigned short uint16;
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typedef short int16;
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#elif SIZEOF_INT == 2
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typedef unsigned int uint16;
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typedef int int16;
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#else
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#error "No 2 byte type, you lose."
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#endif
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#if SIZEOF_INT == 4
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typedef unsigned int uint32;
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typedef int int32;
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#elif SIZEOF_LONG == 4
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typedef unsigned long uint32;
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typedef long int32;
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#else
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#error "No 4 byte type, you lose."
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#endif
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#if SIZEOF_LONG == 8
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typedef unsigned long uint64;
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typedef long int64;
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#define VAL64(a) (a ## l)
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#define UVAL64(a) (a ## ul)
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#elif SIZEOF_LONG_LONG == 8
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typedef unsigned long long uint64;
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typedef long long int64;
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#define VAL64(a) (a ## LL)
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#define UVAL64(a) (a ## uLL)
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#else
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#error "No 8 byte type, you lose."
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#endif
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#if SIZEOF_VOID_P == 4
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typedef uint32 uintptr;
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typedef int32 intptr;
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#elif SIZEOF_VOID_P == 8
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typedef uint64 uintptr;
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typedef int64 intptr;
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#else
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#error "Unsupported size of pointer"
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#endif
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/**
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* Helper functions to byteswap data
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**/
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#if defined(__GNUC__)
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#if defined(__x86_64__) || defined(__i386__)
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// Linux/AMD64 currently has no asm optimized bswap_32() in <byteswap.h>
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#define opt_bswap_32 do_opt_bswap_32
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static inline uint32 do_opt_bswap_32(uint32 x)
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{
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uint32 v;
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__asm__ __volatile__ ("bswap %0" : "=r" (v) : "0" (x));
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return v;
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}
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#endif
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#endif
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#ifdef opt_bswap_16
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#undef bswap_16
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#define bswap_16 opt_bswap_16
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#endif
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#ifndef bswap_16
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#define bswap_16 generic_bswap_16
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#endif
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static inline uint16 generic_bswap_16(uint16 x)
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{
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return ((x & 0xff) << 8) | ((x >> 8) & 0xff);
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}
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#ifdef opt_bswap_32
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#undef bswap_32
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#define bswap_32 opt_bswap_32
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#endif
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#ifndef bswap_32
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#define bswap_32 generic_bswap_32
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#endif
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static inline uint32 generic_bswap_32(uint32 x)
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{
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return (((x & 0xff000000) >> 24) |
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((x & 0x00ff0000) >> 8) |
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((x & 0x0000ff00) << 8) |
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((x & 0x000000ff) << 24) );
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}
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#if defined(__i386__)
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#define opt_bswap_64 do_opt_bswap_64
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static inline uint64 do_opt_bswap_64(uint64 x)
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{
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return (bswap_32(x >> 32) | (((uint64)bswap_32((uint32)x)) << 32));
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}
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#endif
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#ifdef opt_bswap_64
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#undef bswap_64
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#define bswap_64 opt_bswap_64
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#endif
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#ifndef bswap_64
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#define bswap_64 generic_bswap_64
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#endif
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static inline uint64 generic_bswap_64(uint64 x)
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{
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return (((x & UVAL64(0xff00000000000000)) >> 56) |
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((x & UVAL64(0x00ff000000000000)) >> 40) |
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((x & UVAL64(0x0000ff0000000000)) >> 24) |
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((x & UVAL64(0x000000ff00000000)) >> 8) |
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((x & UVAL64(0x00000000ff000000)) << 8) |
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((x & UVAL64(0x0000000000ff0000)) << 24) |
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((x & UVAL64(0x000000000000ff00)) << 40) |
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((x & UVAL64(0x00000000000000ff)) << 56) );
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}
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#ifdef WORDS_BIGENDIAN
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static inline uint16 tswap16(uint16 x) { return x; }
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static inline uint32 tswap32(uint32 x) { return x; }
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static inline uint64 tswap64(uint64 x) { return x; }
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#else
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static inline uint16 tswap16(uint16 x) { return bswap_16(x); }
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static inline uint32 tswap32(uint32 x) { return bswap_32(x); }
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static inline uint64 tswap64(uint64 x) { return bswap_64(x); }
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#endif
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#define do_byteswap_16_g bswap_16
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#define do_byteswap_16_c(x) \
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((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
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#define do_byteswap_32_g bswap_32
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#define do_byteswap_32_c(x) \
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((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) | \
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(((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24))
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#if defined(__GNUC__)
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#define do_byteswap_16(x) \
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(__extension__ \
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({ register uint16 __v, __x = (x); \
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if (__builtin_constant_p(__x)) \
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__v = do_byteswap_16_c(__x); \
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else \
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__v = do_byteswap_16_g(__x); \
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__v; }))
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#define do_byteswap_32(x) \
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(__extension__ \
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({ register uint32 __v, __x = (x); \
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if (__builtin_constant_p(__x)) \
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__v = do_byteswap_32_c(__x); \
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else \
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__v = do_byteswap_32_g(__x); \
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__v; }))
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#else
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#define do_byteswap_16(x) do_byteswap_16_g(x)
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#define do_byteswap_32(x) do_byteswap_32_g(x)
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#endif
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#if defined(__i386__) || defined(__x86_64__)
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#define ntohl(x) do_byteswap_32(x)
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#define ntohs(x) do_byteswap_16(x)
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#define htonl(x) do_byteswap_32(x)
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#define htons(x) do_byteswap_16(x)
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#endif
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/*
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* Spin locks
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*/
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#ifdef __GNUC__
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#if defined(__powerpc__) || defined(__ppc__)
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#define HAVE_TEST_AND_SET 1
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static inline int testandset(volatile int *p)
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{
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int ret;
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__asm__ __volatile__("0: lwarx %0,0,%1\n"
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" xor. %0,%3,%0\n"
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" bne 1f\n"
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" stwcx. %2,0,%1\n"
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" bne- 0b\n"
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"1: "
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: "=&r" (ret)
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: "r" (p), "r" (1), "r" (0)
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: "cr0", "memory");
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return ret;
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}
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#endif
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#if defined(__i386__) || defined(__x86_64__)
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#define HAVE_TEST_AND_SET 1
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static inline int testandset(volatile int *p)
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{
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long int ret;
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/* Note: the "xchg" instruction does not need a "lock" prefix */
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__asm__ __volatile__("xchgl %k0, %1"
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: "=r" (ret), "=m" (*p)
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: "0" (1), "m" (*p)
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: "memory");
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return ret;
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}
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#endif
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#ifdef __alpha__
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#define HAVE_TEST_AND_SET 1
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static inline int testandset(volatile int *p)
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{
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int ret;
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unsigned long one;
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__asm__ __volatile__("0: mov 1,%2\n"
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" ldl_l %0,%1\n"
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" stl_c %2,%1\n"
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" beq %2,1f\n"
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".subsection 2\n"
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"1: br 0b\n"
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".previous"
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: "=r" (ret), "=m" (*p), "=r" (one)
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: "m" (*p));
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return ret;
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}
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#endif
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#endif /* __GNUC__ */
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typedef volatile int spinlock_t;
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static const spinlock_t SPIN_LOCK_UNLOCKED = 0;
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#if HAVE_TEST_AND_SET
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#define HAVE_SPINLOCKS 1
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static inline void spin_lock(spinlock_t *lock)
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{
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while (testandset(lock));
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}
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static inline void spin_unlock(spinlock_t *lock)
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{
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*lock = 0;
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}
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static inline int spin_trylock(spinlock_t *lock)
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{
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return !testandset(lock);
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}
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#else
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static inline void spin_lock(spinlock_t *lock)
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{
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}
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static inline void spin_unlock(spinlock_t *lock)
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{
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}
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static inline int spin_trylock(spinlock_t *lock)
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{
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return 1;
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}
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#endif
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// Time data type for Time Manager emulation
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typedef int64 tm_time_t;
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// Timing functions
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extern void timer_init(void);
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extern uint64 GetTicks_usec(void);
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extern void Delay_usec(uint32 usec);
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// Various definitions
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typedef struct rgb_color {
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uint8 red;
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uint8 green;
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uint8 blue;
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uint8 alpha;
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} rgb_color;
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// Macro for calling MacOS routines
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#define CallMacOS(type, tvect) call_macos((uintptr)tvect)
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#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1)
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#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2)
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#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3)
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#define CallMacOS4(type, tvect, arg1, arg2, arg3, arg4) call_macos4((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4)
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#define CallMacOS5(type, tvect, arg1, arg2, arg3, arg4, arg5) call_macos5((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5)
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#define CallMacOS6(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6) call_macos6((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6)
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#define CallMacOS7(type, tvect, arg1, arg2, arg3, arg4, arg5, arg6, arg7) call_macos7((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3, (uintptr)arg4, (uintptr)arg5, (uintptr)arg6, (uintptr)arg7)
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern uint32 call_macos(uint32 tvect);
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extern uint32 call_macos1(uint32 tvect, uint32 arg1);
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extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2);
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extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3);
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extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4);
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extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5);
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extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6);
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extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7);
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#ifdef __cplusplus
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}
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#endif
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// Misc platform specific definitions
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typedef int64 loff_t;
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#define ATTRIBUTE_PACKED __attribute__((__packed__))
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#endif
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