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apple2ix/Android/jni/jnihooks.c

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/*
* Apple // emulator for *ix
*
* This software package is subject to the GNU General Public License
* version 3 or later (your choice) as published by the Free Software
* Foundation.
*
* Copyright 2015 Aaron Culliney
*
*/
#include "common.h"
#include "androidkeys.h"
#include <cpu-features.h>
#include <jni.h>
unsigned long android_deviceSampleRateHz = 0;
unsigned long android_monoBufferSubmitSizeSamples = 0;
unsigned long android_stereoBufferSubmitSizeSamples = 0;
bool android_armArch = false;
bool android_armArchV7A = false;
bool android_arm64Arch = false;
bool android_x86 = false;
bool android_x86_64 = false;
bool android_armNeonEnabled = false;
bool android_x86SSSE3Enabled = false;
enum {
ANDROID_ACTION_DOWN = 0x0,
ANDROID_ACTION_UP = 0x1,
ANDROID_ACTION_MOVE = 0x2,
ANDROID_ACTION_CANCEL = 0x3,
ANDROID_ACTION_POINTER_DOWN = 0x5,
ANDROID_ACTION_POINTER_UP = 0x6,
};
typedef enum lifecycle_seq_t {
APP_RUNNING = 0,
APP_REQUESTED_SHUTDOWN,
APP_FINISHED,
} lifecycle_seq_t;
static lifecycle_seq_t appState = APP_RUNNING;
#if TESTING
static bool running_tests = false;
static void _run_tests(void) {
char *local_argv[] = {
"-f",
NULL
};
int local_argc = 0;
for (char **p = &local_argv[0]; *p != NULL; p++) {
++local_argc;
}
#if defined(TEST_CPU)
// Currently this test is the only one that runs as a black screen
extern int test_cpu(int, char *[]);
test_cpu(local_argc, local_argv);
tkill(getpid(), SIGKILL); // and we're done ...
#elif defined(TEST_VM)
extern int test_vm(int, char *[]);
test_vm(local_argc, local_argv);
#elif defined(TEST_DISPLAY)
extern int test_display(int, char *[]);
test_display(local_argc, local_argv);
#elif defined(TEST_DISK)
extern int test_disk(int, char *[]);
test_disk(local_argc, local_argv);
#else
# error "OOPS, no tests specified"
#endif
}
#endif
static inline int _androidTouchEvent2InterfaceEvent(jint action) {
switch (action) {
case ANDROID_ACTION_DOWN:
return TOUCH_DOWN;
case ANDROID_ACTION_MOVE:
return TOUCH_MOVE;
case ANDROID_ACTION_UP:
return TOUCH_UP;
case ANDROID_ACTION_POINTER_DOWN:
return TOUCH_POINTER_DOWN;
case ANDROID_ACTION_POINTER_UP:
return TOUCH_POINTER_UP;
case ANDROID_ACTION_CANCEL:
return TOUCH_CANCEL;
default:
LOG("Unknown Android event : %d", action);
return TOUCH_CANCEL;
}
}
static void discover_cpu_family(void) {
LOG("Discovering CPU family...");
AndroidCpuFamily family = android_getCpuFamily();
uint64_t features = android_getCpuFeatures();
if (family == ANDROID_CPU_FAMILY_X86) {
android_x86 = true;
if (features & ANDROID_CPU_X86_FEATURE_SSSE3) {
LOG("nANDROID_CPU_X86_FEATURE_SSSE3");
android_x86SSSE3Enabled = true;
}
if (features & ANDROID_CPU_X86_FEATURE_MOVBE) {
LOG("ANDROID_CPU_X86_FEATURE_MOVBE");
}
if (features & ANDROID_CPU_X86_FEATURE_POPCNT) {
LOG("ANDROID_CPU_X86_FEATURE_POPCNT");
}
} else if (family == ANDROID_CPU_FAMILY_ARM) {
if (features & ANDROID_CPU_ARM_FEATURE_ARMv7) {
LOG("ANDROID_CPU_ARM_FEATURE_ARMv7");
android_armArchV7A = true;
} else {
LOG("!!! NOT ANDROID_CPU_ARM_FEATURE_ARMv7");
android_armArch = true;
}
if (features & ANDROID_CPU_ARM_FEATURE_VFPv3) {
LOG("ANDROID_CPU_ARM_FEATURE_VFPv3");
}
if (features & ANDROID_CPU_ARM_FEATURE_NEON) {
LOG("ANDROID_CPU_ARM_FEATURE_NEON");
android_armNeonEnabled = true;
}
if (features & ANDROID_CPU_ARM_FEATURE_LDREX_STREX) {
LOG("ANDROID_CPU_ARM_FEATURE_LDREX_STREX");
}
} else if (family == ANDROID_CPU_FAMILY_ARM64) {
#warning FIXME TODO ...
//android_arm64Arch = true;
android_armArchV7A = true;
}
}
// ----------------------------------------------------------------------------
// JNI functions
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnCreate(JNIEnv *env, jclass cls, jstring j_dataDir, jint sampleRate, jint monoBufferSize, jint stereoBufferSize) {
const char *dataDir = (*env)->GetStringUTFChars(env, j_dataDir, 0);
// Android lifecycle can call onCreate() multiple times...
if (data_dir) {
LOG("IGNORING multiple calls to nativeOnCreate ...");
return;
}
discover_cpu_family();
// Do not remove this deadc0de ... it forces a runtime load-library/link error on Gingerbread devices if we have
// incorrectly compiled the app against a later version of the NDK!!!
int pagesize = getpagesize();
LOG("PAGESIZE IS : %d", pagesize);
data_dir = strdup(dataDir);
if (crashHandler && crashHandler->init) {
crashHandler->init(data_dir);
}
(*env)->ReleaseStringUTFChars(env, j_dataDir, dataDir);
LOG("data_dir : %s", data_dir);
android_deviceSampleRateHz = (unsigned long)sampleRate;
android_monoBufferSubmitSizeSamples = (unsigned long)monoBufferSize;
android_stereoBufferSubmitSizeSamples = (unsigned long)stereoBufferSize;
joydriver_setClampBeyondRadius(true);
//#define DO_CPU65_TRACING 1
#if DO_CPU65_TRACING
# warning !!!!!!!!!! this will quickly eat up disk space !!!!!!!!!!
char *trfile = NULL;
asprintf(&trfile, "%s/%s", data_dir, "cpu_trace.txt");
cpu65_trace_begin(trfile);
ASPRINTF_FREE(trfile);
#endif
#if !TESTING
cpu_pause();
emulator_start();
#endif
}
void Java_org_deadc0de_apple2ix_Apple2View_nativeGraphicsChanged(JNIEnv *env, jclass cls, jint width, jint height) {
// WARNING : this can happen on non-GL thread
LOG("...");
video_reshape(width, height);
}
void Java_org_deadc0de_apple2ix_Apple2View_nativeGraphicsInitialized(JNIEnv *env, jclass cls, jint width, jint height) {
// WARNING : this needs to happen on the GL thread only
LOG("width:%d height:%d", width, height);
_video_setRenderThread(pthread_self()); // Assume Android knows what it's doing ;-P
video_shutdown();
video_reshape(width, height);
video_init();
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeEmulationResume(JNIEnv *env, jclass cls) {
#if TESTING
// test driver thread is managing CPU
if (!running_tests) {
running_tests = true;
assert(cpu_thread_id == 0 && "CPU thread must not be initialized yet...");
_run_tests();
}
#else
if (!cpu_isPaused()) {
return;
}
LOG("...");
cpu_resume();
#endif
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeEmulationPause(JNIEnv *env, jclass cls) {
if (appState != APP_RUNNING) {
return;
}
#if DO_CPU65_TRACING
cpu65_trace_checkpoint();
#endif
disk6_flush(0);
disk6_flush(1);
if (cpu_isPaused()) {
return;
}
LOG("...");
#if TESTING
// test driver thread is managing CPU
#else
cpu_pause();
#endif
}
void Java_org_deadc0de_apple2ix_Apple2View_nativeRender(JNIEnv *env, jclass cls) {
SCOPE_TRACE_VIDEO("nativeRender");
if (UNLIKELY(appState != APP_RUNNING)) {
if (appState == APP_REQUESTED_SHUTDOWN) {
appState = APP_FINISHED;
emulator_shutdown();
}
return;
}
#if FPS_LOG
static uint32_t prevCount = 0;
static uint32_t idleCount = 0;
idleCount++;
static struct timespec prev = { 0 };
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
if (now.tv_sec != prev.tv_sec) {
LOG("FPS : %u", idleCount-prevCount);
prevCount = idleCount;
prev = now;
}
#endif
video_render();
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeReboot(JNIEnv *env, jclass cls) {
LOG("...");
cpu65_reboot();
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnQuit(JNIEnv *env, jclass cls) {
#if TESTING
// test driver thread is managing CPU
#else
appState = APP_REQUESTED_SHUTDOWN;
LOG("...");
disk6_eject(0);
disk6_eject(1);
#if DO_CPU65_TRACING
cpu65_trace_end();
#endif
cpu_resume();
#endif
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnKeyDown(JNIEnv *env, jclass cls, jint keyCode, jint metaState) {
if (UNLIKELY(appState != APP_RUNNING)) {
return;
}
android_keycode_to_emulator(keyCode, metaState, true);
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnKeyUp(JNIEnv *env, jclass cls, jint keyCode, jint metaState) {
if (UNLIKELY(appState != APP_RUNNING)) {
return;
}
android_keycode_to_emulator(keyCode, metaState, false);
}
void Java_org_deadc0de_apple2ix_Apple2View_nativeOnJoystickMove(JNIEnv *env, jclass cls, jint x, jint y) {
joydriver_setAxisValue((uint8_t)x, (uint8_t)y);
}
jlong Java_org_deadc0de_apple2ix_Apple2View_nativeOnTouch(JNIEnv *env, jclass cls, jint action, jint pointerCount, jint pointerIndex, jfloatArray xCoords, jfloatArray yCoords) {
//LOG(": %d/%d/%d :", action, pointerCount, pointerIndex);
SCOPE_TRACE_TOUCH("nativeOnTouch");
if (UNLIKELY(appState != APP_RUNNING)) {
return 0x0LL;
}
jfloat *x_coords = (*env)->GetFloatArrayElements(env, xCoords, 0);
jfloat *y_coords = (*env)->GetFloatArrayElements(env, yCoords, 0);
int joyaction = _androidTouchEvent2InterfaceEvent(action);
//for (unsigned int i=0; i<pointerCount; i++) {
// LOG("\t[%f,%f]", x_coords[i], y_coords[i]);
//}
int64_t flags = interface_onTouchEvent(joyaction, pointerCount, pointerIndex, x_coords, y_coords);
(*env)->ReleaseFloatArrayElements(env, xCoords, x_coords, 0);
(*env)->ReleaseFloatArrayElements(env, yCoords, y_coords, 0);
return flags;
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeChooseDisk(JNIEnv *env, jclass cls, jstring jPath, jboolean driveA, jboolean readOnly) {
const char *path = (*env)->GetStringUTFChars(env, jPath, NULL);
int drive = driveA ? 0 : 1;
int ro = readOnly ? 1 : 0;
assert(cpu_isPaused() && "considered dangerous to insert disk image when CPU thread is running");
LOG(": (%s, %s, %s)", path, driveA ? "drive A" : "drive B", readOnly ? "read only" : "read/write");
if (disk6_insert(drive, path, ro)) {
char *gzPath = NULL;
asprintf(&gzPath, "%s.gz", path);
if (disk6_insert(drive, gzPath, ro)) {
char *diskImageUnreadable = "Disk Image Unreadable";
unsigned int cols = strlen(diskImageUnreadable);
video_backend->animation_showMessage(diskImageUnreadable, cols, 1);
} else {
video_backend->animation_showDiskChosen(drive);
}
ASPRINTF_FREE(gzPath);
} else {
video_backend->animation_showDiskChosen(drive);
}
(*env)->ReleaseStringUTFChars(env, jPath, path);
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeEjectDisk(JNIEnv *env, jclass cls, jboolean driveA) {
LOG("...");
disk6_eject(!driveA);
}
void Java_org_deadc0de_apple2ix_Apple2Activity_nativeSaveState(JNIEnv *env, jclass cls, jstring jPath) {
const char *path = (*env)->GetStringUTFChars(env, jPath, NULL);
assert(cpu_isPaused() && "considered dangerous to save state when CPU thread is running");
LOG(": (%s)", path);
if (!emulator_saveState(path)) {
LOG("OOPS, could not save emulator state");
}
(*env)->ReleaseStringUTFChars(env, jPath, path);
}
jstring Java_org_deadc0de_apple2ix_Apple2Activity_nativeLoadState(JNIEnv *env, jclass cls, jstring jPath) {
const char *path = (*env)->GetStringUTFChars(env, jPath, NULL);
assert(cpu_isPaused() && "considered dangerous to save state when CPU thread is running");
LOG(": (%s)", path);
if (!emulator_loadState(path)) {
LOG("OOPS, could not load emulator state");
}
(*env)->ReleaseStringUTFChars(env, jPath, path);
// restoring state may cause a change in disk paths, so we need to notify the Java/Android menu system of the change
// (normally we drive state from the Java/menu side...)
char *disk1 = disk6.disk[0].file_name;
bool readOnly1 = disk6.disk[0].is_protected;
char *disk2 = disk6.disk[1].file_name;
bool readOnly2 = disk6.disk[1].is_protected;
char *str = NULL;
jstring jstr = NULL;
asprintf(&str, "{ disk1 = \"%s\"; readOnly1 = %s; disk2 = \"%s\"; readOnly2 = %s }", (disk1 ?: ""), readOnly1 ? "true" : "false", (disk2 ?: ""), readOnly2 ? "true" : "false");
if (str) {
jstr = (*env)->NewStringUTF(env, str);
ASPRINTF_FREE(str);
}
return jstr;
}
// ----------------------------------------------------------------------------
// Constructor
__attribute__((constructor(CTOR_PRIORITY_LATE)))
static void _init_jnihooks(void) {
// ...
}
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