Initial import

2010-08-10 12:11:02 +09:00
commit cb1b98230e
1941 changed files with 320007 additions and 0 deletions
--- a/ChibiOS_2.0.2/os/kernel/src/chdebug.c
+++ b/ChibiOS_2.0.2/os/kernel/src/chdebug.c
@@ -0,0 +1,94 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+    This file is part of ChibiOS/RT.
+
+    ChibiOS/RT is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS/RT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+                                      ---
+
+    A special exception to the GPL can be applied should you wish to distribute
+    a combined work that includes ChibiOS/RT, without being obliged to provide
+    the source code for any proprietary components. See the file exception.txt
+    for full details of how and when the exception can be applied.
+*/
+
+/**
+ * @file    chdebug.c
+ * @brief   ChibiOS/RT Debug code.
+ *
+ * @addtogroup debug
+ * @details Debug APIs and services:
+ *          - Trace buffer.
+ *          - Parameters check.
+ *          - Kernel assertions.
+ *          .
+ * @{
+ */
+
+#include "ch.h"
+
+#if CH_DBG_ENABLE_TRACE
+/**
+ * @brief   Public trace buffer.
+ */
+TraceBuffer trace_buffer;
+
+/**
+ * @brief   Trace circular buffer subsystem initialization.
+ */
+void trace_init(void) {
+
+  trace_buffer.tb_size = TRACE_BUFFER_SIZE;
+  trace_buffer.tb_ptr = &trace_buffer.tb_buffer[0];
+}
+
+/**
+ * @brief   Inserts in the circular debug trace buffer a context switch record.
+ *
+ * @param[in] otp       the thread being switched out
+ */
+void chDbgTrace(Thread *otp) {
+
+  trace_buffer.tb_ptr->cse_wtobjp = otp->p_u.wtobjp;
+  trace_buffer.tb_ptr->cse_time = chTimeNow();
+  trace_buffer.tb_ptr->cse_state = otp->p_state;
+  trace_buffer.tb_ptr->cse_tid = (unsigned)currp >> 6;
+  if (++trace_buffer.tb_ptr >= &trace_buffer.tb_buffer[TRACE_BUFFER_SIZE])
+    trace_buffer.tb_ptr = &trace_buffer.tb_buffer[0];
+}
+#endif /* CH_DBG_ENABLE_TRACE */
+
+#if CH_DBG_ENABLE_ASSERTS || CH_DBG_ENABLE_CHECKS || CH_DBG_ENABLE_STACK_CHECK
+/**
+ * @brief   Pointer to the panic message.
+ * @details This pointer is meant to be accessed through the debugger, it is
+ *          written once and then the system is halted. This variable can be
+ *          set to @p NULL if the halt is caused by a stack overflow.
+ */
+char *panic_msg;
+
+/**
+ * @brief   Prints a panic message on the console and then halts the system.
+ *
+ * @param[in] msg       the pointer to the panic message string
+ */
+void chDbgPanic(char *msg) {
+
+  panic_msg = msg;
+  chSysHalt();
+}
+#endif /* CH_DBG_ENABLE_ASSERTS || CH_DBG_ENABLE_CHECKS || CH_DBG_ENABLE_STACK_CHECK */
+
+/** @} */