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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2017-11-24 10:01:13 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2017-11-24 10:01:13 +0000 |
| commit | a8be231257437743118ad5c2d9d7bfef10c806b9 (patch) | |
| tree | c8fa680d46bff67e332c6114ae5010b6ae6671a9 /os/common/oslib/include | |
| parent | c1b1a5e111dcf751170498793a205219394a6687 (diff) | |
| download | ChibiOS-a8be231257437743118ad5c2d9d7bfef10c806b9.tar.gz ChibiOS-a8be231257437743118ad5c2d9d7bfef10c806b9.tar.bz2 ChibiOS-a8be231257437743118ad5c2d9d7bfef10c806b9.zip | |
Experimental preemptive round robin module. To be tested.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11074 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/common/oslib/include')
| -rw-r--r-- | os/common/oslib/include/chpreempt.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/os/common/oslib/include/chpreempt.h b/os/common/oslib/include/chpreempt.h new file mode 100644 index 000000000..bfa1ce270 --- /dev/null +++ b/os/common/oslib/include/chpreempt.h @@ -0,0 +1,106 @@ +/*
+ ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.
+
+ This file is part of ChibiOS.
+
+ ChibiOS 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 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 chpreempt.h
+ * @brief Preemption enforcement structures and macros.
+ *
+ * @addtogroup preemption_enforcement
+ * @{
+ */
+
+#ifndef CHPREEMPT_H
+#define CHPREEMPT_H
+
+/* This header is included from chconf.h and that can be included by asm
+ modules.*/
+#if !defined(_FROM_ASM_)
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Hooks function @p chSchIsPreemptionRequired().
+ */
+#define CH_SCH_IS_PREEMPTION_REQUIRED_HOOKED
+
+/**
+ * @brief Hooks function @p chSchDoReschedule().
+ */
+#define CH_SCH_DO_RESCHEDULE_HOOKED
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if !defined(CH_CFG_ROUND_ROBIN_QUANTUM)
+#error "CH_CFG_ROUND_ROBIN_QUANTUM not defined in chconf.h"
+#endif
+
+#if CH_CFG_ROUND_ROBIN_QUANTUM <= 0
+#error "CH_CFG_ROUND_ROBIN_QUANTUM must be greater than zero"
+#endif
+
+#if CH_CFG_TIME_QUANTUM > 0
+#error "CH_CFG_ROUND_ROBIN_QUANTUM is not compatible with CH_CFG_TIME_QUANTUM > 0"
+#endif
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Fields to be added to the @p ch_system_t structure.
+ *
+ * @notapi
+ */
+#define CH_PREEMPT_SYSTEM_FIELDS \
+ virtual_timer_t preempt_vt;
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ch_preempt_system_init(void);
+ void ch_preempt_thread_switch(void);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#endif /* !defined(_FROM_ASM_) */
+
+#endif /* CHPREEMPT_H */
+
+/** @} */
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