chcore.h File Reference

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Detailed Description

ARM7/9 architecture port macros and structures.

Definition in file ports/GCC/ARM/chcore.h.

#include "armparams.h"

Go to the source code of this file.

Data Structures
struct	extctx
	Interrupt saved context. More...
struct	intctx
	System saved context. More...
struct	context
	Platform dependent part of the Thread structure. More...
Functions
void	port_halt (void)
void	_port_thread_start (void)
	Start a thread by invoking its work function.
Defines
#define	ARM_CORE_ARM7TDMI   7
#define	ARM_CORE_ARM9   9
#define	ARM_ENABLE_WFI_IDLE   FALSE
	If enabled allows the idle thread to enter a low power mode.
#define	CH_ARCHITECTURE_ARM
	Macro defining a generic ARM architecture.
#define	CH_ARCHITECTURE_ARMx
	Macro defining the specific ARM architecture.
#define	CH_ARCHITECTURE_NAME   "ARMx"
	Name of the implemented architecture.
#define	CH_CORE_VARIANT_NAME   "ARMxy"
	Name of the architecture variant (optional).
#define	CH_PORT_INFO   "ARM|THUMB|Interworking"
	Port-specific information string.
#define	CH_PORT_INFO   "Pure ARM mode"
	Port-specific information string.
#define	CH_COMPILER_NAME   "GCC " __VERSION__
	Name of the compiler supported by this port.
#define	SETUP_CONTEXT(workspace, wsize, pf, arg)
	Platform dependent part of the chThdCreateI() API.
#define	PORT_IDLE_THREAD_STACK_SIZE   4
	Stack size for the system idle thread.
#define	PORT_INT_REQUIRED_STACK   0x10
	Per-thread stack overhead for interrupts servicing.
#define	STACK_ALIGN(n)   ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
	Enforces a correct alignment for a stack area size value.
#define	THD_WA_SIZE(n)
	Computes the thread working area global size.
#define	WORKING_AREA(s, n)   stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)]
	Static working area allocation.
#define	PORT_IRQ_PROLOGUE()
	IRQ prologue code.
#define	PORT_IRQ_EPILOGUE()
	IRQ epilogue code.
#define	PORT_IRQ_HANDLER(id)   __attribute__((naked)) void id(void)
	IRQ handler function declaration.
#define	PORT_FAST_IRQ_HANDLER(id)   __attribute__((interrupt("FIQ"))) void id(void)
	Fast IRQ handler function declaration.
#define	port_init()
	Port-related initialization code.
#define	port_lock()   asm volatile ("msr CPSR_c, #0x9F" : : : "memory")
	Kernel-lock action.
#define	port_unlock()   asm volatile ("msr CPSR_c, #0x1F" : : : "memory")
	Kernel-unlock action.
#define	port_lock_from_isr()
	Kernel-lock action from an interrupt handler.
#define	port_unlock_from_isr()
	Kernel-unlock action from an interrupt handler.
#define	port_disable()
	Disables all the interrupt sources.
#define	port_suspend()   asm volatile ("msr CPSR_c, #0x9F" : : : "memory")
	Disables the interrupt sources below kernel-level priority.
#define	port_enable()   asm volatile ("msr CPSR_c, #0x1F" : : : "memory")
	Enables all the interrupt sources.
#define	port_switch(ntp, otp)   _port_switch_arm(ntp, otp)
	Performs a context switch between two threads.
Typedefs
typedef uint32_t	stkalign_t
	32 bits stack and memory alignment enforcement.
typedef void *	regarm_t
	Generic ARM register.