LEON2

LEON2 Board Support Package. More...

Files
file	leon2_amba_bus.h
	This header file provides interfaces of the LEON2 Hardcoded bus driver.
file	btimer.c
	Implement a benchmark timer using timer 2.
file	ckinit.c
	Clock Tick Device Driver.
file	console.c
	TTY driver driver for the serial ports on the LEON console.
file	debugputs.c
	TTY driver for the serial ports on the LEON.
file	gnatsupp.c
	Support for gnat/rtems iterrupts and exception handling.
file	bsp.h
	Global BSP definitions.
file	irq.h
	Interrupts definitions.
file	irqimpl.h
	This header file provides interfaces used by the interrupt support implementation.
file	leon.h
file	tm27.h
	Implementations for interrupt mechanisms for Time Test 27.
file	bspdelay.c
	LEON2 BSP Delay Method.
file	bspidle.c
	LEON2 Idle Thread.
file	bspstart.c
	LEON2 Cache Snooping Support.
file	setvec.c
	Installs an interrupt vector on the SPARC simulator.

Macros
#define	LEON2   1
#define	BSP_FEATURE_IRQ_EXTENSION
#define	BSP_IDLE_TASK_BODY   bsp_idle_thread
#define	RTEMS_BSP_NETWORK_DRIVER_NAME   "open_eth1"
#define	RTEMS_BSP_NETWORK_DRIVER_ATTACH_OPENETH    rtems_leon_open_eth_driver_attach
#define	RTEMS_BSP_NETWORK_DRIVER_ATTACH_SMC91111    rtems_smc91111_driver_attach_leon2
#define	HAS_SMC91111
#define	GRETH_SUPPORTED
#define	GRETH_MEM_LOAD(addr)   leon_r32_no_cache((uintptr_t) addr)
#define	BSP_PCI_BIG_ENDIAN
#define	AMBAPPBUS_INFO_AVAIL   /* AMBAPP Bus driver */
#define	GPTIMER_INFO_AVAIL   /* GPTIMER Timer driver */
#define	GRETH_INFO_AVAIL   /* GRETH Ethernet driver */

Typedefs
typedef void(*	bsp_shared_isr) (void *arg)

Functions
void *	bsp_idle_thread (uintptr_t ignored)
	Optimized idle task. More...
int	rtems_leon_open_eth_driver_attach (struct rtems_bsdnet_ifconfig *config)
int	rtems_smc91111_driver_attach_leon2 (struct rtems_bsdnet_ifconfig *config)
rtems_isr_entry	set_vector (rtems_isr_entry handler, rtems_vector_number vector, int type)
	Install an interrupt handler. More...
void	BSP_fatal_exit (uint32_t error)
void	rtems_bsp_delay (int usecs)
int	cchip1_register (void)
void	console_outbyte_polled (int port, unsigned char ch)
int	console_inbyte_nonblocking (int port)

Variables
int	CPU_SPARC_HAS_SNOOPING
int	RAM_START
int	RAM_END
int	RAM_SIZE
int	PROM_START
int	PROM_END
int	PROM_SIZE
int	CLOCK_SPEED
int	end

Detailed Description

LEON2 Board Support Package.

Function Documentation

bsp_idle_thread()

void * bsp_idle_thread

(

uintptr_t

ignored

)

Optimized idle task.

This BSP provides its own IDLE thread to override the RTEMS one.

This idle task sets the power mode to idle. This causes the processor clock to be stopped, while on-chip peripherals remain active. Any enabled interrupt from a peripheral or an external interrupt source will cause the processor to resume execution.

To enable the idle task use the following in the system configuration:

#include <bsp.h>
 
#define CONFIGURE_INIT
 
#define CONFIGURE_IDLE_TASK_BODY bsp_idle_thread
 
#include <confdefs.h>

This BSP provides its own IDLE thread to override the RTEMS one.

Optimized idle task.

The MSR[POW] bit is set to put the CPU into the low power mode defined in HID0. HID0 is set during starup in start.S.

This BSP provides its own IDLE thread to override the RTEMS one.

This idle task sets the power mode to idle. This causes the processor clock to be stopped, while on-chip peripherals remain active. Any enabled interrupt from a peripheral or an external interrupt source will cause the processor to resume execution.

To enable the idle task use the following in the system configuration:

#include <bsp.h>
 
#define CONFIGURE_INIT
 
#define CONFIGURE_IDLE_TASK_BODY bsp_idle_thread
 
#include <confdefs.h>

Optimized idle task.

The MSR[POW] bit is set to put the CPU into the low power mode defined in HID0. HID0 is set during starup in start.S.

console_inbyte_nonblocking()

int console_inbyte_nonblocking

(

int

port

)

This method polls the specified port for an input character. console port.

Parameters

[in]

port

is the input port

Returns

This method returns the character read of -1 if there is no data.

set_vector()

rtems_isr_entry set_vector	(	rtems_isr_entry	handler,
		rtems_vector_number	vector,
		int	type
	)

Install an interrupt handler.

This method installs an interrupt handle.

Parameters

[in]	handler	is the isr routine
[in]	vector	is the vector number
[in]	type	indicates whether RTEMS or RAW intr

Returns

returns old vector