Import of all sources.
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waltje
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src/plat.h
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src/plat.h
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/*
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* VARCem Virtual Archaelogical Computer EMulator.
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* An emulator of (mostly) x86-based PC systems and devices,
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* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
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* spanning the era between 1981 and 1995.
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*
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* This file is part of the VARCem Project.
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*
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* Define the various platform support functions.
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*
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* Version: @(#)plat.h 1.0.1 2018/02/11
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*
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* Author: Fred N. van Kempen, <decwiz@yahoo.com>
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*
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* Copyright 2017,2018 Fred N. van Kempen.
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*
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* Redistribution and use in source and binary forms, with
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* or without modification, are permitted provided that the
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* following conditions are met:
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*
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* 1. Redistributions of source code must retain the entire
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* above notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names
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* of its contributors may be used to endorse or promote
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* products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef EMU_PLAT_H
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# define EMU_PLAT_H
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#ifndef GLOBAL
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# define GLOBAL extern
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#endif
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/* String ID numbers. */
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#include "lang/language.h"
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/* The Win32 API uses _wcsicmp. */
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#ifdef _WIN32
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# define wcscasecmp _wcsicmp
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#endif
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#if defined(UNIX) && defined(FREEBSD)
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/* FreeBSD has largefile by default. */
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# define fopen64 fopen
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# define fseeko64 fseeko
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# define ftello64 ftello
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# define off64_t off_t
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#endif
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/* A hack (GCC-specific?) to allow us to ignore unused parameters. */
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#define UNUSED(arg) __attribute__((unused))arg
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/* Return the size (in wchar's) of a wchar_t array. */
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#define sizeof_w(x) (sizeof((x)) / sizeof(wchar_t))
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Global variables residing in the platform module. */
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GLOBAL int dopause, /* system is paused */
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doresize, /* screen resize requested */
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quited, /* system exit requested */
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mouse_capture; /* mouse is captured in app */
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GLOBAL uint64_t timer_freq;
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GLOBAL int infocus;
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GLOBAL char emu_version[128]; /* version ID string */
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/* System-related functions. */
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extern wchar_t *fix_exe_path(wchar_t *str);
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extern FILE *plat_fopen(wchar_t *path, wchar_t *mode);
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extern void plat_remove(wchar_t *path);
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extern int plat_getcwd(wchar_t *bufp, int max);
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extern int plat_chdir(wchar_t *path);
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extern void plat_get_exe_name(wchar_t *s, int size);
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extern wchar_t *plat_get_filename(wchar_t *s);
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extern wchar_t *plat_get_extension(wchar_t *s);
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extern void plat_append_filename(wchar_t *dest, wchar_t *s1, wchar_t *s2);
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extern void plat_put_backslash(wchar_t *s);
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extern void plat_path_slash(wchar_t *path);
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extern int plat_path_abs(wchar_t *path);
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extern int plat_dir_check(wchar_t *path);
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extern int plat_dir_create(wchar_t *path);
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extern uint64_t plat_timer_read(void);
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extern uint32_t plat_get_ticks(void);
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extern void plat_delay_ms(uint32_t count);
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extern void plat_pause(int p);
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extern void plat_mouse_capture(int on);
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extern int plat_vidapi(char *name);
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extern char *plat_vidapi_name(int api);
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extern int plat_setvid(int api);
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extern void plat_vidsize(int x, int y);
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extern void plat_setfullscreen(int on);
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extern void plat_resize(int x, int y);
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/* Resource management. */
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extern void set_language(int id);
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extern wchar_t *plat_get_string(int id);
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/* Emulator start/stop support functions. */
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extern void do_start(void);
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extern void do_stop(void);
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/* Platform-specific device support. */
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extern uint8_t host_cdrom_drive_available[26];
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extern uint8_t host_cdrom_drive_available_num;
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extern void cdrom_init_host_drives(void);
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extern void cdrom_eject(uint8_t id);
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extern void cdrom_reload(uint8_t id);
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extern void zip_eject(uint8_t id);
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extern void zip_reload(uint8_t id);
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extern void removable_disk_unload(uint8_t id);
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extern void removable_disk_eject(uint8_t id);
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extern void removable_disk_reload(uint8_t id);
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extern int ioctl_open(uint8_t id, char d);
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extern void ioctl_reset(uint8_t id);
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extern void ioctl_close(uint8_t id);
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/* Thread support. */
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typedef void thread_t;
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typedef void event_t;
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typedef void mutex_t;
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extern thread_t *thread_create(void (*thread_func)(void *param), void *param);
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extern void thread_kill(thread_t *arg);
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extern int thread_wait(thread_t *arg, int timeout);
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extern event_t *thread_create_event(void);
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extern void thread_set_event(event_t *arg);
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extern void thread_reset_event(event_t *arg);
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extern int thread_wait_event(event_t *arg, int timeout);
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extern void thread_destroy_event(event_t *arg);
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extern mutex_t *thread_create_mutex(wchar_t *name);
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extern void thread_close_mutex(mutex_t *arg);
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extern int thread_wait_mutex(mutex_t *arg);
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extern int thread_release_mutex(mutex_t *mutex);
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/* Other stuff. */
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extern void startblit(void);
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extern void endblit(void);
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extern void take_screenshot(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /*EMU_PLAT_H*/
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