227 lines
6.9 KiB
C++
227 lines
6.9 KiB
C++
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Define the various platform support functions.
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*
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*
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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* Fred N. van Kempen, <decwiz@yahoo.com>
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*
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* Copyright 2016-2019 Miran Grca.
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* Copyright 2017-2019 Fred N. van Kempen.
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* Copyright 2021 Laci bá'
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*/
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#ifndef EMU_PLAT_H
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# define EMU_PLAT_H
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#include "86box/device.h"
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#include "86box/machine.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 <86box/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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# define strcasecmp _stricmp
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#else
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/* Declare these functions to avoid warnings. They will redirect to strcasecmp and strncasecmp respectively. */
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extern int stricmp(const char* s1, const char* s2);
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extern int strnicmp(const char* s1, const char* s2, size_t n);
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#endif
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#if (defined(__unix__) || defined(__APPLE__)) && !defined(__linux__)
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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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#elif defined(_MSC_VER)
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//# define fopen64 fopen
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# define fseeko64 _fseeki64
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# define ftello64 _ftelli64
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# define off64_t off_t
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#endif
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#ifdef _MSC_VER
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# define UNUSED(arg) arg
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#else
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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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#endif
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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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#include <atomic>
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#define atomic_flag std::atomic_flag
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extern "C" {
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#else
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#include <stdatomic.h>
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#endif
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/* Global variables residing in the platform module. */
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extern int dopause, /* system is paused */
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mouse_capture; /* mouse is captured in app */
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extern atomic_flag doresize; /* screen resize requested */
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extern volatile int is_quit; /* system exit requested */
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#ifdef MTR_ENABLED
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extern int tracing_on;
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#endif
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extern uint64_t timer_freq;
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extern int infocus;
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extern char emu_version[200]; /* version ID string */
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extern int rctrl_is_lalt;
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extern int update_icons;
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extern int unscaled_size_x, /* current unscaled size X */
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unscaled_size_y; /* current unscaled size Y */
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extern int kbd_req_capture, hide_status_bar;
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/* System-related functions. */
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extern char *fix_exe_path(char *str);
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extern FILE *plat_fopen(const char *path, const char *mode);
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extern FILE *plat_fopen64(const char *path, const char *mode);
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extern void plat_remove(char *path);
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extern int plat_getcwd(char *bufp, int max);
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extern int plat_chdir(char *path);
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extern void plat_tempfile(char *bufp, char *prefix, char *suffix);
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extern void plat_get_exe_name(char *s, int size);
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extern char *plat_get_basename(const char *path);
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extern void plat_get_dirname(char *dest, const char *path);
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extern char *plat_get_filename(char *s);
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extern char *plat_get_extension(char *s);
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extern void plat_append_filename(char *dest, const char *s1, const char *s2);
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extern void plat_put_backslash(char *s);
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extern void plat_path_slash(char *path);
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extern int plat_path_abs(char *path);
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extern int plat_dir_check(char *path);
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extern int plat_dir_create(char *path);
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extern void *plat_mmap(size_t size, uint8_t executable);
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extern void plat_munmap(void *ptr, size_t size);
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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 uint32_t plat_get_micro_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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extern void plat_vidapi_enable(int enabled);
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extern void plat_vid_reload_options(void);
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extern uint32_t plat_language_code(char* langcode);
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extern void plat_language_code_r(uint32_t lcid, char* outbuf, int len);
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/* Resource management. */
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extern void set_language(uint32_t 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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/* Power off. */
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extern void plat_power_off(void);
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/* Platform-specific device support. */
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extern void cassette_mount(char *fn, uint8_t wp);
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extern void cassette_eject(void);
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extern void cartridge_mount(uint8_t id, char *fn, uint8_t wp);
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extern void cartridge_eject(uint8_t id);
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extern void floppy_mount(uint8_t id, char *fn, uint8_t wp);
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extern void floppy_eject(uint8_t id);
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extern void cdrom_mount(uint8_t id, char *fn);
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extern void plat_cdrom_ui_update(uint8_t id, uint8_t reload);
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extern void zip_eject(uint8_t id);
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extern void zip_mount(uint8_t id, char *fn, uint8_t wp);
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extern void zip_reload(uint8_t id);
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extern void mo_eject(uint8_t id);
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extern void mo_mount(uint8_t id, char *fn, uint8_t wp);
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extern void mo_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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#ifdef __APPLE__
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#define thread_t plat_thread_t
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#define event_t plat_event_t
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#define mutex_t plat_mutex_t
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#define thread_create plat_thread_create
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#define thread_wait plat_thread_wait
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#define thread_create_event plat_thread_create_event
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#define thread_set_event plat_thread_set_event
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#define thread_reset_event plat_thread_reset_event
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#define thread_wait_event plat_thread_wait_event
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#define thread_destroy_event plat_thread_destroy_event
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#define thread_create_mutex plat_thread_create_mutex
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#define thread_create_mutex_with_spin_count plat_thread_create_mutex_with_spin_count
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#define thread_close_mutex plat_thread_close_mutex
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#define thread_wait_mutex plat_thread_wait_mutex
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#define thread_release_mutex plat_thread_release_mutex
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#endif
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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 int thread_wait(thread_t *arg);
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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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#define MUTEX_DEFAULT_SPIN_COUNT 1024
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extern mutex_t *thread_create_mutex(void);
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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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/* Conversion between UTF-8 and UTF-16. */
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extern size_t mbstoc16s(uint16_t dst[], const char src[], int len);
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extern size_t c16stombs(char dst[], const uint16_t src[], int len);
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#ifdef MTR_ENABLED
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extern void init_trace(void);
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extern void shutdown_trace(void);
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#endif
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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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