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author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-08-19 09:13:15 +0000 |
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committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-08-19 09:13:15 +0000 |
commit | 33453e086ed932127496ee7bf2703b1fcb6dd74c (patch) | |
tree | 38fedf572f8c04b8a476e0e7e30c45f2dac7e267 /os/kernel/templates/chcore.c | |
parent | 71587e724a02831fc1d88a8dbc58a749f1724657 (diff) | |
download | ChibiOS-33453e086ed932127496ee7bf2703b1fcb6dd74c.tar.gz ChibiOS-33453e086ed932127496ee7bf2703b1fcb6dd74c.tar.bz2 ChibiOS-33453e086ed932127496ee7bf2703b1fcb6dd74c.zip |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1076 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/kernel/templates/chcore.c')
-rw-r--r-- | os/kernel/templates/chcore.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/os/kernel/templates/chcore.c b/os/kernel/templates/chcore.c new file mode 100644 index 000000000..b788d356c --- /dev/null +++ b/os/kernel/templates/chcore.c @@ -0,0 +1,133 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2007 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/>.
+*/
+
+/**
+ * @file src/templates/chcore.c
+ * @brief Port related template code.
+ * @addtogroup Core
+ * @{
+ */
+
+#include <ch.h>
+
+/*
+ * This file is a template of the system driver functions provided by a port.
+ * Some of the following functions may be implemented as macros in chcore.h if
+ * the implementer decides that there is an advantage in doing so, as example
+ * because performance concerns.
+ */
+
+/**
+ * @brief Port-related initialization code.
+ *
+ * @note This function is usually empty. + */
+void port_init(void){
+}
+
+/**
+ * @brief Kernel-unlock action.
+ * @details Usually this function just disables interrupts but may perform more
+ * actions. + */
+void port_lock(void) {
+}
+
+/**
+ * @brief Kernel-unlock action.
+ * @details Usually this function just disables interrupts but may perform more
+ * actions.
+ */
+void port_unlock(void) {
+}
+
+/**
+ * @brief Kernel-lock action from an interrupt handler.
+ * @details This function is invoked before invoking I-class APIs from
+ * interrupt handlers. The implementation is architecture dependent, in its
+ * simplest form it is void.
+ */
+void port_lock_from_isr(void) {
+}
+
+/**
+ * @brief Kernel-unlock action from an interrupt handler.
+ * @details This function is invoked after invoking I-class APIs from interrupt
+ * handlers. The implementation is architecture dependent, in its simplest form
+ * it is void.
+ */
+void port_unlock_from_isr(void) {
+}
+
+/**
+ * @brief Disables all the interrupt sources.
+ *
+ * @note Of course non maskable interrupt sources are not included. + */
+void port_disable() {
+}
+
+/**
+ * @brief Disables the interrupt sources that are not supposed to preempt the kernel. + */
+void port_suspend(void) {
+}
+
+/**
+ * @brief Enables all the interrupt sources. + */
+void port_enable(void) {
+}
+
+/**
+ * @brief Enters an architecture-dependent halt mode.
+ * @details The function is meant to return when an interrupt becomes pending.
+ * The simplest implementation is an empty function but this will not take
+ * advantage of architecture-specific power saving modes. + */
+void port_wait_for_interrupt(void) {
+}
+
+/**
+ * @brief Halts the system.
+ * @details This function is invoked by the operating system when an
+ * unrecoverable error is detected (as example because a programming error in
+ * the application code that triggers an assertion while in debug mode). + */
+void port_halt(void) {
+
+ port_disable();
+ while (TRUE) {
+ }
+}
+
+/**
+ * @brief Performs a context switch between two threads.
+ * @details This is the most critical code in any port, this function
+ * is responsible for the context switch between 2 threads.
+ *
+ * @param otp the thread to be switched out
+ * @param ntp the thread to be switched in
+ * @note The implementation of this code affects <b>directly</b> the context
+ * switch performance so optimize here as much as you can.
+ */
+void port_switch(Thread *otp, Thread *ntp) {
+}
+
+/** @} */
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