git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1076 35acf78f-673a-0410-8e92-d51de3d6d3f4
gdisirio
parent
71587e724a
commit
33453e086e
|
|
@ -0,0 +1,388 @@
|
|||
/*
|
||||
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/chconf.h
|
||||
* @brief Configuration file template.
|
||||
* @addtogroup Config
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef _CHCONF_H_
|
||||
#define _CHCONF_H_
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Kernel parameters. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* Frequency of the system timer that drives the system ticks. This also
|
||||
* defines the system tick time unit.
|
||||
*/
|
||||
#if !defined(CH_FREQUENCY) || defined(__DOXYGEN__)
|
||||
#define CH_FREQUENCY 1000
|
||||
#endif
|
||||
|
||||
/**
|
||||
* This constant is the number of system ticks allowed for the threads before
|
||||
* preemption occurs. This option is only meaningful if the option
|
||||
* @p CH_USE_ROUNDROBIN is also active.
|
||||
*/
|
||||
#if !defined(CH_TIME_QUANTUM) || defined(__DOXYGEN__)
|
||||
#define CH_TIME_QUANTUM 20
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If enabled then the use of nested @p chSysLock() / @p chSysUnlock()
|
||||
* operations is allowed.<br>
|
||||
* For performance and code size reasons the recommended setting is to leave
|
||||
* this option disabled.<br>
|
||||
* You can use this option if you need to merge ChibiOS/RT with external
|
||||
* libraries that require nested lock/unlock operations.
|
||||
* @note The default is @p FALSE.
|
||||
*/
|
||||
#if !defined(CH_USE_NESTED_LOCKS) || defined(__DOXYGEN__)
|
||||
#define CH_USE_NESTED_LOCKS FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the kernel performs the round robin scheduling algorithm
|
||||
* on threads of equal priority.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_USE_ROUNDROBIN) || defined(__DOXYGEN__)
|
||||
#define CH_USE_ROUNDROBIN TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Number of RAM bytes to use as system heap. If set to zero then the whole
|
||||
* available RAM is used as system heap.
|
||||
* @note In order to use the whole RAM as system heap the linker script must
|
||||
* provide the @p __heap_base__ and @p __heap_end__ symbols.
|
||||
* @note Requires @p CH_USE_HEAP.
|
||||
*/
|
||||
#if !defined(CH_HEAP_SIZE) || defined(__DOXYGEN__)
|
||||
#define CH_HEAP_SIZE 0
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Performance options. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* If specified then time efficient rather than space efficient code is used
|
||||
* when two possible implementations exist.
|
||||
* @note This is not related to the compiler optimization options.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_OPTIMIZE_SPEED) || defined(__DOXYGEN__)
|
||||
#define CH_OPTIMIZE_SPEED TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If enabled defines a CPU register to be used as storage for the global
|
||||
* @p currp variable. Caching this variable in a register can greatly
|
||||
* improve both space and time efficiency of the generated code. Another side
|
||||
* effect is that one less register has to be saved during the context switch
|
||||
* resulting in lower RAM usage and faster code.
|
||||
* @note This option is only usable with the GCC compiler and is only useful
|
||||
* on processors with many registers like ARM cores.
|
||||
* @note If this option is enabled then ALL the libraries linked to the
|
||||
* ChibiOS/RT code <b>must</b> be recompiled with the GCC option @p
|
||||
* -ffixed-@<reg@>.
|
||||
* @note This option must be enabled in the Makefile, it is listed here for
|
||||
* documentation.
|
||||
*/
|
||||
#if defined(__DOXYGEN__)
|
||||
#define CH_CURRP_REGISTER_CACHE "reg"
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Subsystem options. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* If specified then the @p chThdWait() function is included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_USE_WAITEXIT) || defined(__DOXYGEN__)
|
||||
#define CH_USE_WAITEXIT TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Semaphores APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_USE_SEMAPHORES) || defined(__DOXYGEN__)
|
||||
#define CH_USE_SEMAPHORES TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If enabled then the threads are enqueued on semaphores by priority rather
|
||||
* than FIFO order.
|
||||
* @note The default is @p FALSE. Enable this if you have special requirements.
|
||||
* @note Requires @p CH_USE_SEMAPHORES.
|
||||
*/
|
||||
#if !defined(CH_USE_SEMAPHORES_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define CH_USE_SEMAPHORES_PRIORITY FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Semaphores the @p chSemWaitSignal() API is included
|
||||
* in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_SEMAPHORES.
|
||||
*/
|
||||
#if !defined(CH_USE_SEMSW) || defined(__DOXYGEN__)
|
||||
#define CH_USE_SEMSW TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Mutexes APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_USE_MUTEXES) || defined(__DOXYGEN__)
|
||||
#define CH_USE_MUTEXES TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Conditional Variables APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_MUTEXES.
|
||||
*/
|
||||
#if !defined(CH_USE_CONDVARS) || defined(__DOXYGEN__)
|
||||
#define CH_USE_CONDVARS TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Conditional Variables APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_CONDVARS.
|
||||
*/
|
||||
#if !defined(CH_USE_CONDVARS_TIMEOUT) || defined(__DOXYGEN__)
|
||||
#define CH_USE_CONDVARS_TIMEOUT TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Event flags APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_USE_EVENTS) || defined(__DOXYGEN__)
|
||||
#define CH_USE_EVENTS TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the @p chEvtWaitXXXTimeout() functions are included in
|
||||
* the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_EVENTS.
|
||||
*/
|
||||
#if !defined(CH_USE_EVENTS_TIMEOUT) || defined(__DOXYGEN__)
|
||||
#define CH_USE_EVENTS_TIMEOUT TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Synchronous Messages APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_USE_MESSAGES) || defined(__DOXYGEN__)
|
||||
#define CH_USE_MESSAGES TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If enabled then messages are served by priority rather than in FIFO order.
|
||||
* @note The default is @p FALSE. Enable this if you have special requirements.
|
||||
* @note Requires @p CH_USE_MESSAGES.
|
||||
*/
|
||||
#if !defined(CH_USE_MESSAGES_PRIORITY) || defined(__DOXYGEN__)
|
||||
#define CH_USE_MESSAGES_PRIORITY FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the Asynchronous Messages (Mailboxes) APIs are included
|
||||
* in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_SEMAPHORES.
|
||||
*/
|
||||
#if !defined(CH_USE_MAILBOXES) || defined(__DOXYGEN__)
|
||||
#define CH_USE_MAILBOXES TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the I/O queues APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_SEMAPHORES.
|
||||
*/
|
||||
#if !defined(CH_USE_QUEUES) || defined(__DOXYGEN__)
|
||||
#define CH_USE_QUEUES TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the full duplex serial driver APIs are included in the
|
||||
* kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_QUEUES and @p CH_USE_EVENTS.
|
||||
*/
|
||||
#if !defined(CH_USE_SERIAL_FULLDUPLEX) || defined(__DOXYGEN__)
|
||||
#define CH_USE_SERIAL_FULLDUPLEX TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the memory heap allocator APIs are included in the kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_MUTEXES or @p CH_USE_SEMAPHORES.
|
||||
* @note Mutexes are recommended.
|
||||
*/
|
||||
#if !defined(CH_USE_HEAP) || defined(__DOXYGEN__)
|
||||
#define CH_USE_HEAP TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If enabled enforces the use of the C-runtime @p malloc() and @p free()
|
||||
* functions as backend for the system heap allocator.
|
||||
* @note The default is @p FALSE.
|
||||
* @note Requires @p CH_USE_HEAP.
|
||||
*/
|
||||
#if !defined(CH_USE_MALLOC_HEAP) || defined(__DOXYGEN__)
|
||||
#define CH_USE_MALLOC_HEAP FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the memory pools allocator APIs are included in the
|
||||
* kernel.
|
||||
* @note The default is @p TRUE.
|
||||
*/
|
||||
#if !defined(CH_USE_MEMPOOLS) || defined(__DOXYGEN__)
|
||||
#define CH_USE_MEMPOOLS TRUE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* If specified then the dynamic threads creation APIs are included in the
|
||||
* kernel.
|
||||
* @note The default is @p TRUE.
|
||||
* @note Requires @p CH_USE_WAITEXIT.
|
||||
*/
|
||||
#if !defined(CH_USE_DYNAMIC) || defined(__DOXYGEN__)
|
||||
#define CH_USE_DYNAMIC TRUE
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Debug options. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* Debug option, if enabled then the checks on the API functions input
|
||||
* parameters are activated.
|
||||
* @note The default is @p FALSE.
|
||||
*/
|
||||
#if !defined(CH_DBG_ENABLE_CHECKS) || defined(__DOXYGEN__)
|
||||
#define CH_DBG_ENABLE_CHECKS FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Debug option, if enabled then all the assertions in the kernel code are
|
||||
* activated. This includes consistency checks inside the kernel, runtime
|
||||
* anomalies and port-defined checks.
|
||||
* @note The default is @p FALSE.
|
||||
*/
|
||||
#if !defined(CH_DBG_ENABLE_ASSERTS) || defined(__DOXYGEN__)
|
||||
#define CH_DBG_ENABLE_ASSERTS FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Debug option, if enabled the context switch circular trace buffer is
|
||||
* activated.
|
||||
* @note The default is @p FALSE.
|
||||
*/
|
||||
#if !defined(CH_DBG_ENABLE_TRACE) || defined(__DOXYGEN__)
|
||||
#define CH_DBG_ENABLE_TRACE FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Debug option, if enabled a runtime stack check is performed.
|
||||
* @note The stack check is performed in a architecture/port dependent way. It
|
||||
* may not be implemented at all.
|
||||
*/
|
||||
#if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__)
|
||||
#define CH_DBG_ENABLE_STACK_CHECK FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Debug option, if enabled the threads working area is filled with a byte
|
||||
* pattern when a thread is created.
|
||||
*/
|
||||
#if !defined(CH_DBG_FILL_THREADS) || defined(__DOXYGEN__)
|
||||
#define CH_DBG_FILL_THREADS FALSE
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Debug option, if enabled a field is added to the @p Thread structure that
|
||||
* counts the system ticks occurred while executing the thread.
|
||||
*/
|
||||
#if !defined(CH_DBG_THREADS_PROFILING) || defined(__DOXYGEN__)
|
||||
#define CH_DBG_THREADS_PROFILING TRUE
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Kernel hooks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* User fields added to the end of the @p Thread structure.
|
||||
*/
|
||||
#if !defined(THREAD_EXT_FIELDS) || defined(__DOXYGEN__)
|
||||
#define THREAD_EXT_FIELDS \
|
||||
struct { \
|
||||
/* Add thread custom fields here.*/ \
|
||||
};
|
||||
#endif
|
||||
|
||||
/**
|
||||
* User initialization code added to the @p chThdInit() API.
|
||||
* @note It is invoked from within @p chThdInit().
|
||||
*/
|
||||
#if !defined(THREAD_EXT_INIT) || defined(__DOXYGEN__)
|
||||
#define THREAD_EXT_INIT(tp) { \
|
||||
/* Add thread initialization code here.*/ \
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* User finalization code added to the @p chThdExit() API.
|
||||
* @note It is inserted into lock zone.
|
||||
*/
|
||||
#if !defined(THREAD_EXT_EXIT) || defined(__DOXYGEN__)
|
||||
#define THREAD_EXT_EXIT(tp) { \
|
||||
/* Add thread finalization code here.*/ \
|
||||
}
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Code inserted inside the idle thread loop immediately after an interrupt
|
||||
* resumed execution.
|
||||
*/
|
||||
#if !defined(IDLE_LOOP_HOOK) || defined(__DOXYGEN__)
|
||||
#define IDLE_LOOP_HOOK() { \
|
||||
/* Idle loop code here.*/ \
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _CHCONF_H_ */
|
||||
|
||||
/** @} */
|
||||
|
|
@ -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) {
|
||||
}
|
||||
|
||||
/** @} */
|
||||
|
|
@ -0,0 +1,159 @@
|
|||
/*
|
||||
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.h
|
||||
* @brief Port related template macros and structures.
|
||||
* @addtogroup Core
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef _CHCORE_H_
|
||||
#define _CHCORE_H_
|
||||
|
||||
/**
|
||||
* Unique macro for the implemented architecture.
|
||||
*/
|
||||
#define CH_ARCHITECTURE_XXX
|
||||
|
||||
/**
|
||||
* Name of the implemented architecture.
|
||||
*/
|
||||
#define CH_ARCHITECTURE_NAME ""
|
||||
|
||||
/**
|
||||
* Base type for stack alignment.
|
||||
* This type is used only for stack alignment reasons thus can be anything from
|
||||
* a char to a double.
|
||||
*/
|
||||
typedef uint8_t stkalign_t;
|
||||
|
||||
/**
|
||||
* @brief Interrupt saved context.
|
||||
* @details This structure represents the stack frame saved during a
|
||||
* preemption-capable interrupt handler.
|
||||
*/
|
||||
struct extctx {
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief System saved context.
|
||||
* @details This structure represents the inner stack frame during a context
|
||||
* switching.
|
||||
*/
|
||||
struct intctx {
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Platform dependent part of the @p Thread structure.
|
||||
* @details This structure usually contains just the saved stack pointer
|
||||
* defined as a pointer to a @p intctx structure.
|
||||
*/
|
||||
struct context {
|
||||
struct intctx *sp;
|
||||
};
|
||||
|
||||
/**
|
||||
* Platform dependent part of the @p chThdInit() API.
|
||||
* This code usually setup the context switching frame represented by a
|
||||
* @p intctx structure.
|
||||
*/
|
||||
#define SETUP_CONTEXT(workspace, wsize, pf, arg) { \
|
||||
}
|
||||
|
||||
/**
|
||||
* Stack size for the system idle thread.
|
||||
* This size depends on the idle thread implementation, usually the idle
|
||||
* thread should take no more space than those reserved
|
||||
* by @p INT_REQUIRED_STACK.
|
||||
*/
|
||||
#ifndef IDLE_THREAD_STACK_SIZE
|
||||
#define IDLE_THREAD_STACK_SIZE 0
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Per-thread stack overhead for interrupts servicing, it is used in the
|
||||
* calculation of the correct working area size.
|
||||
* This value can be zero on those architecture where there is a separate
|
||||
* interrupt stack and the stack space between @p intctx and @p extctx is
|
||||
* known to be zero.
|
||||
*/
|
||||
#ifndef INT_REQUIRED_STACK
|
||||
#define INT_REQUIRED_STACK 0
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Enforces a correct alignment for a stack area size value.
|
||||
*/
|
||||
#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
|
||||
|
||||
/**
|
||||
* Computes the thread working area global size.
|
||||
*/
|
||||
#define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) + \
|
||||
sizeof(struct intctx) + \
|
||||
sizeof(struct extctx) + \
|
||||
(n) + (INT_REQUIRED_STACK))
|
||||
|
||||
/**
|
||||
* Macro used to allocate a thread working area aligned as both position and
|
||||
* size.
|
||||
*/
|
||||
#define WORKING_AREA(s, n) stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)];
|
||||
|
||||
/**
|
||||
* IRQ prologue code, inserted at the start of all IRQ handlers enabled to
|
||||
* invoke system APIs.
|
||||
*/
|
||||
#define PORT_IRQ_PROLOGUE()
|
||||
|
||||
/**
|
||||
* IRQ epilogue code, inserted at the end of all IRQ handlers enabled to
|
||||
* invoke system APIs.
|
||||
*/
|
||||
#define PORT_IRQ_EPILOGUE()
|
||||
|
||||
/**
|
||||
* IRQ handler function declaration.
|
||||
* @note @p id can be a function name or a vector number depending on the
|
||||
* port implementation.
|
||||
*/
|
||||
#define PORT_IRQ_HANDLER(id) void id(void)
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void port_init(void);
|
||||
void port_lock(void);
|
||||
void port_unlock(void);
|
||||
void port_lock_from_isr(void);
|
||||
void port_unlock_from_isr(void);
|
||||
void port_disable(void);
|
||||
void port_suspend(void);
|
||||
void port_enable(void);
|
||||
void port_wait_for_interrupt(void);
|
||||
void port_halt(void);
|
||||
void port_switch(Thread *otp, Thread *ntp);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _CHCORE_H_ */
|
||||
|
||||
/** @} */
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
/*
|
||||
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/chtypes.h
|
||||
* @brief System types template.
|
||||
* @addtogroup Types
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef _CHTYPES_H_
|
||||
#define _CHTYPES_H_
|
||||
|
||||
#define __need_NULL
|
||||
#define __need_size_t
|
||||
#include <stddef.h>
|
||||
|
||||
#if !defined(_STDINT_H) && !defined(__STDINT_H_)
|
||||
#include <stdint.h>
|
||||
#endif
|
||||
|
||||
/** Signed boolean. */
|
||||
typedef int32_t bool_t;
|
||||
|
||||
/** Thread mode flags, uint8_t is ok. */
|
||||
typedef uint8_t tmode_t;
|
||||
|
||||
/** Thread state, uint8_t is ok. */
|
||||
typedef uint8_t tstate_t;
|
||||
|
||||
/** Priority, use the fastest unsigned type. */
|
||||
typedef uint32_t tprio_t;
|
||||
|
||||
/** Message, use signed pointer equivalent.*/
|
||||
typedef int32_t msg_t;
|
||||
|
||||
/** Event Id, use fastest signed.*/
|
||||
typedef int32_t eventid_t;
|
||||
|
||||
/** Event Mask, recommended fastest unsigned.*/
|
||||
typedef uint32_t eventmask_t;
|
||||
|
||||
/** System Time, recommended fastest unsigned.*/
|
||||
typedef uint32_t systime_t;
|
||||
|
||||
/** Counter, recommended fastest signed.*/
|
||||
typedef int32_t cnt_t;
|
||||
|
||||
/** Inline function modifier. */
|
||||
#define INLINE inline
|
||||
|
||||
/** Packed structure modifier (within). */
|
||||
#define PACK_STRUCT_STRUCT __attribute__((packed))
|
||||
|
||||
/** Packed structure modifier (before). */
|
||||
#define PACK_STRUCT_BEGIN
|
||||
|
||||
/** Packed structure modifier (after). */
|
||||
#define PACK_STRUCT_END
|
||||
|
||||
#endif /* _CHTYPES_H_ */
|
||||
|
||||
/** @} */
|
||||
Loading…
Reference in New Issue