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gbeauche |
1.1 |
/* |
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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; |
| 305 |
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static const spinlock_t SPIN_LOCK_UNLOCKED = 0; |
| 307 |
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#if HAVE_TEST_AND_SET |
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#define HAVE_SPINLOCKS 1 |
| 310 |
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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) |
| 316 |
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{ |
| 317 |
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*lock = 0; |
| 318 |
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} |
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| 320 |
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static inline int spin_trylock(spinlock_t *lock) |
| 321 |
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{ |
| 322 |
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return !testandset(lock); |
| 323 |
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} |
| 324 |
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#else |
| 325 |
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static inline void spin_lock(spinlock_t *lock) |
| 326 |
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{ |
| 327 |
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} |
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static inline void spin_unlock(spinlock_t *lock) |
| 330 |
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{ |
| 331 |
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} |
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| 333 |
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static inline int spin_trylock(spinlock_t *lock) |
| 334 |
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{ |
| 335 |
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return 1; |
| 336 |
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} |
| 337 |
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#endif |
| 338 |
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| 339 |
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// Time data type for Time Manager emulation |
| 340 |
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typedef int64 tm_time_t; |
| 341 |
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| 342 |
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// Timing functions |
| 343 |
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extern void timer_init(void); |
| 344 |
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extern uint64 GetTicks_usec(void); |
| 345 |
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extern void Delay_usec(uint32 usec); |
| 346 |
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| 347 |
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// Various definitions |
| 348 |
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typedef struct rgb_color { |
| 349 |
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uint8 red; |
| 350 |
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uint8 green; |
| 351 |
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uint8 blue; |
| 352 |
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uint8 alpha; |
| 353 |
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} rgb_color; |
| 354 |
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| 355 |
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// Macro for calling MacOS routines |
| 356 |
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#define CallMacOS(type, tvect) call_macos((uintptr)tvect) |
| 357 |
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#define CallMacOS1(type, tvect, arg1) call_macos1((uintptr)tvect, (uintptr)arg1) |
| 358 |
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#define CallMacOS2(type, tvect, arg1, arg2) call_macos2((uintptr)tvect, (uintptr)arg1, (uintptr)arg2) |
| 359 |
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#define CallMacOS3(type, tvect, arg1, arg2, arg3) call_macos3((uintptr)tvect, (uintptr)arg1, (uintptr)arg2, (uintptr)arg3) |
| 360 |
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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) |
| 363 |
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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) |
| 364 |
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| 365 |
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#ifdef __cplusplus |
| 366 |
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extern "C" { |
| 367 |
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#endif |
| 368 |
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extern uint32 call_macos(uint32 tvect); |
| 369 |
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extern uint32 call_macos1(uint32 tvect, uint32 arg1); |
| 370 |
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extern uint32 call_macos2(uint32 tvect, uint32 arg1, uint32 arg2); |
| 371 |
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extern uint32 call_macos3(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3); |
| 372 |
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extern uint32 call_macos4(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4); |
| 373 |
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extern uint32 call_macos5(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5); |
| 374 |
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extern uint32 call_macos6(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6); |
| 375 |
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extern uint32 call_macos7(uint32 tvect, uint32 arg1, uint32 arg2, uint32 arg3, uint32 arg4, uint32 arg5, uint32 arg6, uint32 arg7); |
| 376 |
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#ifdef __cplusplus |
| 377 |
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} |
| 378 |
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#endif |
| 379 |
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| 380 |
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// Misc platform specific definitions |
| 381 |
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typedef int64 loff_t; |
| 382 |
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#define ATTRIBUTE_PACKED __attribute__((__packed__)) |
| 383 |
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| 384 |
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#endif |
