a try to add support of FreeRTOS riscV-64 (k210 cpu). first step

1 files changed, 241 insertions, 0 deletions

diff --git a/libiot/pthread/_pthread.h b/libiot/pthread/_pthread.h
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+++ b/libiot/pthread/_pthread.h
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2015 - 2018, IBEROXARXA SERVICIOS INTEGRALES, S.L.
+ * Copyright (C) 2015 - 2018, Jaume Olivé Petrus (jolive@whitecatboard.org)
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the <organization> nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *     * The WHITECAT logotype cannot be changed, you can remove it, but you
+ *       cannot change it in any way. The WHITECAT logotype is:
+ *
+ *          /\       /\
+ *         /  \_____/  \
+ *        /_____________\
+ *        W H I T E C A T
+ *
+ *     * Redistributions in binary form must retain all copyright notices printed
+ *       to any local or remote output device. This include any reference to
+ *       Lua RTOS, whitecatboard.org, Lua, and other copyright notices that may
+ *       appear in the future.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Lua RTOS pthread implementation for FreeRTOS
+ *
+ */
+
+//#include "luartos.h"
+
+#ifndef __PTHREAD_H
+#define	__PTHREAD_H
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/event_groups.h"
+#include "freertos/adds.h"
+#include "freertos/task.h"
+#include "freertos/queue.h"
+#include "freertos/semphr.h"
+
+#include <pthread.h>
+
+#include <errno.h>
+
+#include <sys/mutex.h>
+#include <sys/list.h>
+#include <sys/time.h>
+
+#include <signal.h>
+
+
+#define CPU_INITIALIZER 0
+
+// Add CPU cpu to set
+#define CPU_SET(ncpu, cpuset) \
+	*(cpuset) |= (1 << ncpu)
+
+// Test to see if CPU cpu is a member of set.
+#define CPU_ISSET(ncpu, cpuset) \
+	(*(cpuset) & (1 << ncpu))
+
+// Each thread maintains a signal handler copy. Typically there are around 32 defined
+// signals, but not signals are required for applications. For example, in Lua only
+// SIGINT is used.
+//
+// This defines how many signals will be available in threads
+#define PTHREAD_NSIG      (SIGINT + 1)
+
+// 1 for activate debug log when thread can't lock a mutex
+#define PTHREAD_MTX_DEBUG 0
+
+#if PTHREAD_MTX_DEBUG
+#define PTHREAD_MTX_LOCK_TIMEOUT (3000 / portTICK_PERIOD_MS)
+#define PTHREAD_MTX_DEBUG_LOCK() printf("phread can't lock\n");
+#else
+#define PTHREAD_MTX_LOCK_TIMEOUT portMAX_DELAY
+#define PTHREAD_MTX_DEBUG_LOCK()
+#endif
+
+// Minimal stack size per thread
+#define PTHREAD_STACK_MIN (1024 * 2)
+
+#define PTHREAD_CREATE_DETACHED 0
+
+// Initial states for a thread
+#define PTHREAD_INITIAL_STATE_RUN     1
+#define PTHREAD_INITIAL_STATE_SUSPEND 2
+
+// Thread types
+#define PTHREAD_TYPE_DEFAULT 0
+#define PTHREAD_TYPE_LUA     1
+
+// Required structures and types
+struct pthread_mutex {
+    SemaphoreHandle_t sem;
+    int owner;
+    int type;
+};
+
+struct pthread_cond {
+    struct mtx mutex;
+    EventGroupHandle_t ev;
+    int referenced;
+};
+
+struct pthread_key_specific {
+    pthread_t thread;
+    const void *value;
+};
+
+struct pthread_key {
+    struct list specific;
+    void (*destructor)(void*);
+};
+
+struct pthread_join {
+    QueueHandle_t queue;
+};
+
+struct pthread_clean {
+    void (*clean)(void*);
+    void *args;
+};
+
+struct pthread {
+    struct list clean_list;
+    sig_t signals[PTHREAD_NSIG];
+    xTaskHandle task;
+    uint8_t is_delayed;
+    uint8_t delay_interrupted;
+    uint8_t active;
+    xTaskHandle joined_task;
+    void *res;
+    pthread_attr_t attr;
+};
+
+// Helper functions, only for internal use
+void  _pthread_lock();
+void  _pthread_unlock();
+void  _pthread_init();
+int   _pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *args);
+int   _pthread_join(pthread_t id, void **value_ptr);
+int   _pthread_free(pthread_t id, int destroy);
+sig_t _pthread_signal(int s, sig_t h);
+void  _pthread_exec_signal(int dst, int s);
+void  _pthread_process_signal();
+int   _pthread_has_signal(int dst, int s);
+int   _pthread_stop(pthread_t id);
+int   _pthread_suspend(pthread_t id);
+int   _pthread_resume(pthread_t id);
+int   _pthread_core(pthread_t id);
+sig_t _pthread_signal(int s, sig_t h);
+int   _pthread_get_prio();
+int   _pthread_stack_free(pthread_t id);
+int   _pthread_stack(pthread_t id);
+struct pthread *_pthread_get(pthread_t id);
+int   _pthread_sleep(uint32_t msecs);
+void  _pthread_cleanup_push(void (*routine)(void *), void *arg);
+void  _pthread_cleanup_pop(int execute);
+void  _pthread_cleanup();
+int   _pthread_detach(pthread_t id);
+
+// API functions
+int  pthread_attr_init(pthread_attr_t *attr);
+int  pthread_attr_destroy(pthread_attr_t *attr);
+int  pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize);
+int  pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize);
+int  pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param);
+int  pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param);
+int  pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate);
+int  pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate);
+
+int  pthread_mutex_init(pthread_mutex_t *mut, const pthread_mutexattr_t *attr);
+int  pthread_mutex_lock(pthread_mutex_t *mut);
+int  pthread_mutex_unlock(pthread_mutex_t *mut);
+int  pthread_mutex_trylock(pthread_mutex_t *mut);
+int  pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type);
+int  pthread_mutexattr_init(pthread_mutexattr_t *attr);
+int  pthread_mutex_destroy(pthread_mutex_t *mutex);
+
+int  pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr);
+int  pthread_cond_destroy(pthread_cond_t *cond);
+int  pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
+int  pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime);
+int pthread_cond_signal(pthread_cond_t *cond);
+
+int  pthread_once(pthread_once_t *once_control, void (*init_routine)(void));
+int  pthread_setcancelstate(int state, int *oldstate);
+int  pthread_key_create(pthread_key_t *k, void (*destructor)(void*));
+int  pthread_setspecific(pthread_key_t k, const void *value);
+void *pthread_getspecific(pthread_key_t k);
+int  pthread_join(pthread_t thread, void **value_ptr);
+int pthread_cancel(pthread_t thread);
+int pthread_kill(pthread_t thread, int signal);
+
+int  pthread_attr_setaffinity_np(pthread_attr_t *attr, size_t cpusetsize, const cpu_set_t *cpuset);
+int  pthread_attr_getaffinity_np(const pthread_attr_t *attr, size_t cpusetsize, cpu_set_t *cpuset);
+int pthread_setname_np(pthread_t id, const char *name);
+int pthread_getname_np(pthread_t id, char *name, size_t len);
+int  pthread_attr_setinitialstate_np(pthread_attr_t *attr, int initial_state);
+int pthread_attr_setinitfunc_np(pthread_attr_t *attr, void (*init_func)(void *));
+
+pthread_t pthread_self(void);
+
+int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
+		void *(*start_routine) (void *), void *args);
+
+#define pthread_exit(ret) \
+do { \
+	_pthread_cleanup(); \
+	return ((void *)ret); \
+} while (0)
+
+
+#define pthread_cleanup_push(routine, args) \
+do { \
+	_pthread_cleanup_push(routine, args)
+
+#define pthread_cleanup_pop(exec) \
+	_pthread_cleanup_pop(exec); \
+} while(0)
+
+#endif	/* __PTHREAD_H */
+