mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-25 01:47:37 +00:00
221 lines
7.3 KiB
C
Executable File
221 lines
7.3 KiB
C
Executable File
/*
|
|
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
|
|
2011,2012,2013 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 templates/chcore.h
|
|
* @brief Port related template macros and structures.
|
|
* @details This file is a template of the system driver macros provided by
|
|
* a port.
|
|
*
|
|
* @addtogroup core
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _CHCORE_H_
|
|
#define _CHCORE_H_
|
|
|
|
/*===========================================================================*/
|
|
/* Port constants. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Port macros. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Port configurable parameters. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Stack size for the system idle thread.
|
|
* @details This size depends on the idle thread implementation, usually
|
|
* the idle thread should take no more space than those reserved
|
|
* by @p PORT_INT_REQUIRED_STACK.
|
|
*/
|
|
#ifndef PORT_IDLE_THREAD_STACK_SIZE
|
|
#define PORT_IDLE_THREAD_STACK_SIZE 0
|
|
#endif
|
|
|
|
/**
|
|
* @brief Per-thread stack overhead for interrupts servicing.
|
|
* @details This constant 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 PORT_INT_REQUIRED_STACK
|
|
#define PORT_INT_REQUIRED_STACK 0
|
|
#endif
|
|
|
|
/*===========================================================================*/
|
|
/* Port derived parameters. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Port exported info. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Unique macro for the implemented architecture.
|
|
*/
|
|
#define CH_ARCHITECTURE_XXX
|
|
|
|
/**
|
|
* @brief Name of the implemented architecture.
|
|
*/
|
|
#define CH_ARCHITECTURE_NAME ""
|
|
|
|
/**
|
|
* @brief Name of the architecture variant (optional).
|
|
*/
|
|
#define CH_ARCHITECTURE_VARIANT_NAME ""
|
|
|
|
/**
|
|
* @brief Name of the compiler supported by this port.
|
|
*/
|
|
#define CH_COMPILER_NAME "GCC"
|
|
|
|
/**
|
|
* @brief Port-specific information string.
|
|
*/
|
|
#define CH_PORT_INFO ""
|
|
|
|
/*===========================================================================*/
|
|
/* Port implementation part. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Base type for stack and memory alignment.
|
|
*/
|
|
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;
|
|
};
|
|
|
|
/**
|
|
* @brief Platform dependent part of the @p chThdCreateI() API.
|
|
* @details This code usually setup the context switching frame represented
|
|
* by an @p intctx structure.
|
|
*/
|
|
#define SETUP_CONTEXT(workspace, wsize, pf, arg) { \
|
|
}
|
|
|
|
/**
|
|
* @brief Enforces a correct alignment for a stack area size value.
|
|
*/
|
|
#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
|
|
|
|
/**
|
|
* @brief Computes the thread working area global size.
|
|
*/
|
|
#define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) + \
|
|
sizeof(struct intctx) + \
|
|
sizeof(struct extctx) + \
|
|
(n) + (PORT_INT_REQUIRED_STACK))
|
|
|
|
/**
|
|
* @brief Static working area allocation.
|
|
* @details This macro is used to allocate a static thread working area
|
|
* aligned as both position and size.
|
|
*/
|
|
#define WORKING_AREA(s, n) stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)]
|
|
|
|
/**
|
|
* @brief IRQ prologue code.
|
|
* @details This macro must be inserted at the start of all IRQ handlers
|
|
* enabled to invoke system APIs.
|
|
*/
|
|
#define PORT_IRQ_PROLOGUE()
|
|
|
|
/**
|
|
* @brief IRQ epilogue code.
|
|
* @details This macro must be inserted at the end of all IRQ handlers
|
|
* enabled to invoke system APIs.
|
|
*/
|
|
#define PORT_IRQ_EPILOGUE()
|
|
|
|
/**
|
|
* @brief 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)
|
|
|
|
/**
|
|
* @brief Fast IRQ handler function declaration.
|
|
* @note @p id can be a function name or a vector number depending on the
|
|
* port implementation.
|
|
* @note Not all architectures support fast interrupts, in this case this
|
|
* macro must be omitted.
|
|
*/
|
|
#define PORT_FAST_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 *ntp, Thread *otp);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _CHCORE_H_ */
|
|
|
|
/** @} */
|