mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-30 08:50:33 +00:00
277 lines
7.9 KiB
Plaintext
277 lines
7.9 KiB
Plaintext
// main.mm boilerplate
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#import <UIKit/UIKit.h>
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#import <dlfcn.h>
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#import <mach/mach.h>
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#import <pthread.h>
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#import <string>
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#import <stdio.h>
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#import <stdlib.h>
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#import <sys/syscall.h>
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#import <AudioToolbox/AudioToolbox.h>
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#import "AppDelegate.h"
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#import "PPSSPPUIApplication.h"
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#import "ViewController.h"
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#include "Common/MemoryUtil.h"
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#include "Common/System/NativeApp.h"
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#include "Common/System/System.h"
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#include "Common/StringUtils.h"
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#include "Common/Profiler/Profiler.h"
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static int (*csops)(pid_t pid, unsigned int ops, void * useraddr, size_t usersize);
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static boolean_t (*exc_server)(mach_msg_header_t *, mach_msg_header_t *);
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static int (*ptrace)(int request, pid_t pid, caddr_t addr, int data);
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#define CS_OPS_STATUS 0 /* return status */
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#define CS_DEBUGGED 0x10000000 /* process is currently or has previously been debugged and allowed to run with invalid pages */
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#define PT_ATTACHEXC 14 /* attach to running process with signal exception */
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#define PT_DETACH 11 /* stop tracing a process */
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#define ptrace(a, b, c, d) syscall(SYS_ptrace, a, b, c, d)
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bool get_debugged() {
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int flags;
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int rv = csops(getpid(), CS_OPS_STATUS, &flags, sizeof(flags));
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if (rv==0 && flags&CS_DEBUGGED) return true;
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pid_t pid = fork();
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if (pid > 0) {
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int st,rv,i=0;
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do {
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usleep(500);
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rv = waitpid(pid, &st, 0);
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} while (rv<0 && i++<10);
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if (rv<0) fprintf(stderr, "Unable to wait for child?\n");
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} else if (pid == 0) {
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pid_t ppid = getppid();
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int rv = ptrace(PT_ATTACHEXC, ppid, 0, 0);
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if (rv) {
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perror("Unable to attach to process");
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exit(1);
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}
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for (int i=0; i<100; i++) {
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usleep(1000);
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errno = 0;
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rv = ptrace(PT_DETACH, ppid, 0, 0);
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if (rv==0) break;
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}
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if (rv) {
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perror("Unable to detach from process");
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exit(1);
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}
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exit(0);
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} else {
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perror("Unable to fork");
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}
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rv = csops(getpid(), CS_OPS_STATUS, &flags, sizeof(flags));
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if (rv==0 && flags&CS_DEBUGGED) return true;
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return false;
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}
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kern_return_t catch_exception_raise(mach_port_t exception_port,
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mach_port_t thread,
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mach_port_t task,
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exception_type_t exception,
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exception_data_t code,
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mach_msg_type_number_t code_count) {
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return KERN_FAILURE;
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}
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void *exception_handler(void *argument) {
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auto port = *reinterpret_cast<mach_port_t *>(argument);
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mach_msg_server(exc_server, 2048, port, 0);
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return NULL;
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}
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static float g_safeInsetLeft = 0.0;
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static float g_safeInsetRight = 0.0;
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static float g_safeInsetTop = 0.0;
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static float g_safeInsetBottom = 0.0;
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static bool g_jitAvailable = false;
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static int g_iosVersionMajor;
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static int g_iosVersionMinor;
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std::string System_GetProperty(SystemProperty prop) {
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switch (prop) {
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case SYSPROP_NAME:
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return StringFromFormat("iOS %d.%d", g_iosVersionMajor, g_iosVersionMinor);
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case SYSPROP_LANGREGION:
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return "en_US";
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default:
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return "";
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}
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}
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std::vector<std::string> System_GetPropertyStringVec(SystemProperty prop) {
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switch (prop) {
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case SYSPROP_TEMP_DIRS:
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default:
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return std::vector<std::string>();
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}
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}
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int System_GetPropertyInt(SystemProperty prop) {
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switch (prop) {
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case SYSPROP_AUDIO_SAMPLE_RATE:
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return 44100;
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case SYSPROP_DEVICE_TYPE:
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return DEVICE_TYPE_MOBILE;
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case SYSPROP_SYSTEMVERSION:
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return g_iosVersionMajor;
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default:
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return -1;
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}
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}
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float System_GetPropertyFloat(SystemProperty prop) {
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switch (prop) {
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case SYSPROP_DISPLAY_REFRESH_RATE:
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return 60.f;
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case SYSPROP_DISPLAY_SAFE_INSET_LEFT:
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return g_safeInsetLeft;
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case SYSPROP_DISPLAY_SAFE_INSET_RIGHT:
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return g_safeInsetRight;
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case SYSPROP_DISPLAY_SAFE_INSET_TOP:
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return g_safeInsetTop;
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case SYSPROP_DISPLAY_SAFE_INSET_BOTTOM:
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return g_safeInsetBottom;
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default:
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return -1;
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}
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}
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bool System_GetPropertyBool(SystemProperty prop) {
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switch (prop) {
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case SYSPROP_HAS_BACK_BUTTON:
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return false;
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case SYSPROP_APP_GOLD:
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#ifdef GOLD
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return true;
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#else
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return false;
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#endif
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case SYSPROP_CAN_JIT:
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return g_jitAvailable;
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default:
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return false;
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}
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}
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void System_SendMessage(const char *command, const char *parameter) {
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if (!strcmp(command, "finish")) {
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exit(0);
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// The below seems right, but causes hangs. See #12140.
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// dispatch_async(dispatch_get_main_queue(), ^{
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// [sharedViewController shutdown];
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// exit(0);
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// });
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} else if (!strcmp(command, "sharetext")) {
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NSString *text = [NSString stringWithUTF8String:parameter];
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[sharedViewController shareText:text];
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} else if (!strcmp(command, "camera_command")) {
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if (!strncmp(parameter, "startVideo", 10)) {
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int width = 0, height = 0;
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sscanf(parameter, "startVideo_%dx%d", &width, &height);
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setCameraSize(width, height);
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startVideo();
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} else if (!strcmp(parameter, "stopVideo")) {
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stopVideo();
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}
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} else if (!strcmp(command, "gps_command")) {
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if (!strcmp(parameter, "open")) {
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startLocation();
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} else if (!strcmp(parameter, "close")) {
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stopLocation();
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}
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} else if (!strcmp(command, "safe_insets")) {
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float left, right, top, bottom;
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if (4 == sscanf(parameter, "%f:%f:%f:%f", &left, &right, &top, &bottom)) {
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g_safeInsetLeft = left;
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g_safeInsetRight = right;
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g_safeInsetTop = top;
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g_safeInsetBottom = bottom;
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}
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}
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}
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void System_AskForPermission(SystemPermission permission) {}
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PermissionStatus System_GetPermissionStatus(SystemPermission permission) { return PERMISSION_STATUS_GRANTED; }
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FOUNDATION_EXTERN void AudioServicesPlaySystemSoundWithVibration(unsigned long, objc_object*, NSDictionary*);
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BOOL SupportsTaptic() {
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// we're on an iOS version that cannot instantiate UISelectionFeedbackGenerator, so no.
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if(!NSClassFromString(@"UISelectionFeedbackGenerator")) {
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return NO;
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}
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// http://www.mikitamanko.com/blog/2017/01/29/haptic-feedback-with-uifeedbackgenerator/
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// use private API against UIDevice to determine the haptic stepping
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// 2 - iPhone 7 or above, full taptic feedback
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// 1 - iPhone 6S, limited taptic feedback
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// 0 - iPhone 6 or below, no taptic feedback
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NSNumber* val = (NSNumber*)[[UIDevice currentDevice] valueForKey:@"feedbackSupportLevel"];
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return [val intValue] >= 2;
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}
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void Vibrate(int mode) {
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if (SupportsTaptic()) {
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PPSSPPUIApplication* app = (PPSSPPUIApplication*)[UIApplication sharedApplication];
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if(app.feedbackGenerator == nil)
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{
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app.feedbackGenerator = [[UISelectionFeedbackGenerator alloc] init];
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[app.feedbackGenerator prepare];
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}
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[app.feedbackGenerator selectionChanged];
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} else {
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NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
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NSArray *pattern = @[@YES, @30, @NO, @2];
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dictionary[@"VibePattern"] = pattern;
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dictionary[@"Intensity"] = @2;
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AudioServicesPlaySystemSoundWithVibration(kSystemSoundID_Vibrate, nil, dictionary);
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}
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}
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int main(int argc, char *argv[])
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{
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// Hacky hacks to try to enable JIT by pretending to be a debugger.
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csops = reinterpret_cast<decltype(csops)>(dlsym(dlopen(nullptr, RTLD_LAZY), "csops"));
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exc_server = reinterpret_cast<decltype(exc_server)>(dlsym(dlopen(NULL, RTLD_LAZY), "exc_server"));
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ptrace = reinterpret_cast<decltype(ptrace)>(dlsym(dlopen(NULL, RTLD_LAZY), "ptrace"));
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// see https://github.com/hrydgard/ppsspp/issues/11905
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// Tried checking for JIT support here with AllocateExecutableMemory and ProtectMemoryPages,
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// but it just succeeds, and then fails when you try to execute from it.
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// So, we'll just resort to a version check.
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std::string version = [[UIDevice currentDevice].systemVersion UTF8String];
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if (2 != sscanf(version.c_str(), "%d.%d", &g_iosVersionMajor, &g_iosVersionMinor)) {
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// Just set it to 14.0 if the parsing fails for whatever reason.
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g_iosVersionMajor = 14;
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g_iosVersionMinor = 0;
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}
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g_jitAvailable = get_debugged();
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/*
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if (g_iosVersionMajor > 14 || (g_iosVersionMajor == 14 && g_iosVersionMinor >= 4)) {
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g_jitAvailable = false;
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} else {
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g_jitAvailable = true;
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}
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*/
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PROFILE_INIT();
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@autoreleasepool {
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return UIApplicationMain(argc, argv, NSStringFromClass([PPSSPPUIApplication class]), NSStringFromClass([AppDelegate class]));
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}
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}
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