chcore.h File Reference

Port related template macros and structures. More...

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Data Structures
struct	port_extctx
	Interrupt saved context. More...
struct	port_intctx
	System saved context. More...
struct	port_context
	Platform dependent part of the thread_t structure. More...

Macros
#define	PORT_IDLE_THREAD_STACK_SIZE   32
	Stack size for the system idle thread.
#define	PORT_INT_REQUIRED_STACK   256
	Per-thread stack overhead for interrupts servicing.
#define	PORT_XXX_ENABLE_WFI_IDLE   FALSE
	Enables a "wait for interrupt" instruction in the idle loop.
#define	PORT_THD_FUNCTION(tname, arg)
	Optimized thread function declaration macro.
#define	PORT_SETUP_CONTEXT(tp, wbase, wtop, pf, arg)
	Platform dependent part of the chThdCreateI() API.
#define	PORT_WA_SIZE(n)
	Computes the thread working area global size.
#define	PORT_WORKING_AREA(s, n)
	Static working area allocation.
#define	PORT_IRQ_IS_VALID_PRIORITY(n)
	Priority level verification macro.
#define	PORT_IRQ_IS_VALID_KERNEL_PRIORITY(n)
	Priority level verification macro.
#define	PORT_IRQ_PROLOGUE()
	IRQ prologue code.
#define	PORT_IRQ_EPILOGUE()
	IRQ epilogue code.
#define	PORT_IRQ_HANDLER(id)
	IRQ handler function declaration.
#define	PORT_FAST_IRQ_HANDLER(id)
	Fast IRQ handler function declaration.
#define	port_switch(ntp, otp)
	Performs a context switch between two threads.
#define	port_get_lock_status()
	Returns a word representing a critical section status.
#define	port_is_locked(sts)
	Determines if in a critical section.
Port Capabilities and Constants
#define	PORT_SUPPORTS_RT   FALSE
	This port supports a realtime counter.
#define	PORT_NATURAL_ALIGN   sizeof (void *)
	Natural alignment constant.
#define	PORT_STACK_ALIGN   sizeof (stkalign_t)
	Stack alignment constant.
#define	PORT_WORKING_AREA_ALIGN   sizeof (stkalign_t)
	Working Areas alignment constant.
Architecture and Compiler
#define	PORT_ARCHITECTURE_XXX
	Macro defining an XXX architecture.
#define	PORT_ARCHITECTURE_XXX_YYY
	Macro defining the specific XXX architecture.
#define	PORT_ARCHITECTURE_NAME   "XXX Architecture"
	Name of the implemented architecture.
#define	PORT_COMPILER_NAME   "GCC " __VERSION__
	Compiler name and version.
#define	PORT_INFO   "no info"
	Port-specific information string.

Functions
void	_port_init (void)
	Port-related initialization code.
void	_port_switch (thread_t *ntp, thread_t *otp)
	Performs a context switch between two threads.
static bool	port_is_isr_context (void)
	Determines the current execution context.
static void	port_lock (void)
	Kernel-lock action.
static void	port_unlock (void)
	Kernel-unlock action.
static void	port_lock_from_isr (void)
	Kernel-lock action from an interrupt handler.
static void	port_unlock_from_isr (void)
	Kernel-unlock action from an interrupt handler.
static void	port_disable (void)
	Disables all the interrupt sources.
static void	port_suspend (void)
	Disables the interrupt sources below kernel-level priority.
static void	port_enable (void)
	Enables all the interrupt sources.
static void	port_wait_for_interrupt (void)
	Enters an architecture-dependent IRQ-waiting mode.
static rtcnt_t	port_rt_get_counter_value (void)
	Returns the current value of the realtime counter.

Detailed Description

Port related template macros and structures.

This file is a template of the system driver macros provided by a port.

Definition in file chcore.h.