arch dependent files for FreeRTOS

[pes-rpp/rpp-lwip.git] / src / include / arch / sys_arch.h

diff --git a/src/include/arch/sys_arch.h b/src/include/arch/sys_arch.h
new file mode 100644 (file)
index 0000000..8615c20
--- /dev/null
+++ b/src/include/arch/sys_arch.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
+ *
+ * This file is part of the lwIP TCP/IP stack.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ */
+/*
+ * preset of semaphores, mailboxes, threads, timeouts, system,....
+ * see opt.h for reference definitions, put your definitions in lwipopts.h
+ */
+#ifndef __ARCH_SYS_ARCH_H__
+#define __ARCH_SYS_ARCH_H__
+
+#include "os/os.h"
+#include "types.h"
+#include "lwip/opt.h"
+#include "lwip/err.h"
+
+/* Find the size of the largest required mbox. */
+#define MAX1 ((TCPIP_MBOX_SIZE > DEFAULT_RAW_RECVMBOX_SIZE) ? \
+              TCPIP_MBOX_SIZE : DEFAULT_RAW_RECVMBOX_SIZE)
+#define MAX2 ((MAX1 > DEFAULT_UDP_RECVMBOX_SIZE) ? MAX1 : \
+              DEFAULT_UDP_RECVMBOX_SIZE)
+#define MAX3 ((MAX2 > DEFAULT_TCP_RECVMBOX_SIZE) ? MAX2 : \
+              DEFAULT_TCP_RECVMBOX_SIZE)
+#define MBOX_MAX ((MAX3 > DEFAULT_ACCEPTMBOX_SIZE) ? MAX3 : \
+                  DEFAULT_ACCEPTMBOX_SIZE)
+
+#define portQUEUE_OVERHEAD_BYTES 0
+
+typedef u8_t sys_prot_t;
+
+/* The values for an unallocated entities. */
+#define SYS_MBOX_NULL       NULL
+#define SYS_THREAD_NULL     NULL
+#define SYS_SEM_NULL        NULL
+
+
+/* Typedefs for the various port-specific types. */
+#if !NO_SYS
+typedef xQueueHandle sys_mbox_t;
+typedef xSemaphoreHandle sys_sem_t;
+typedef xTaskHandle sys_thread_t;
+#if !LWIP_COMPAT_MUTEX
+typedef xSemaphoreHandle sys_mutex_t;
+/* For mutexes you can just set option in opt.h/lwipopts.h LWIP_COMPAT_MUTEX,
+ * which is using defined semaphores. This is basicaly doing the same thing. */
+#define sys_mutex_valid(mutex)        sys_sem_valid(mutex)
+#define sys_mutex_set_invalid(mutex)  sys_sem_set_invalid(mutex)
+
+#define sys_sem_valid(sem)            (*sem != SYS_SEM_NULL)
+#define sys_sem_set_invalid(sem)      (*sem = SYS_SEM_NULL)
+
+#define sys_mbox_valid(mbox)          (*mbox != SYS_MBOX_NULL)
+#define sys_mbox_set_invalid(mbox)    (*mbox = SYS_MBOX_NULL)
+#endif
+
+#define SEMPHR_MAX_CNT             1
+#define MBOX_PTR_TYPE              void *
+#define TRYPOST_ISR_SAFE           0
+#define TRYFETCH_ISR_SAFE          0
+
+#endif /* !NO_SYS */
+
+/* TODO: try with SYS_ARCH_PROTECT defined and without it */
+/* DETAILS in sys.h */
+/* #define SYS_ARCH_PROTECT */
+#ifndef SYS_ARCH_PROTECT
+
+#if SYS_LIGHTWEIGHT_PROT
+
+#define SYS_ARCH_DECL_PROTECT(lev)
+
+#define SYS_ARCH_PROTECT(lev) portENTER_CRITICAL() /* consider putting here taskENTER_CRITICAL() ... freeRTOS */
+
+#define SYS_ARCH_UNPROTECT(lev) portEXIT_CRITICAL() /* consider putting here taskEXIT_CRITICAL() ... freeRTOS */
+sys_prot_t sys_arch_protect(void);
+void sys_arch_unprotect(sys_prot_t pval);
+
+#else
+
+#define SYS_ARCH_DECL_PROTECT(lev)
+#define SYS_ARCH_PROTECT(lev)
+#define SYS_ARCH_UNPROTECT(lev)
+
+#endif /* SYS_LIGHTWEIGHT_PROT */
+
+#endif /* SYS_ARCH_PROTECT */
+
+
+
+#endif /* __ARCH_SYS_ARCH_H__ */
+