arch.h File Reference

Nios II specific kernel interface header This header contains the Nios II specific kernel interface. More...

#include <system.h>
#include <zephyr/arch/nios2/thread.h>
#include <zephyr/arch/nios2/exception.h>
#include <zephyr/arch/nios2/asm_inline.h>
#include <zephyr/arch/common/addr_types.h>
#include <zephyr/devicetree.h>
#include <zephyr/arch/nios2/nios2.h>
#include <zephyr/arch/common/sys_bitops.h>
#include <zephyr/sys/sys_io.h>
#include <zephyr/arch/common/ffs.h>
#include <zephyr/types.h>
#include <zephyr/irq.h>
#include <zephyr/sw_isr_table.h>

Go to the source code of this file.

Macros
#define	ARCH_STACK_PTR_ALIGN   4
#define	ARCH_IRQ_CONNECT(irq_p, priority_p, isr_p, isr_param_p, flags_p)
#define	NIOS2_BADADDR_CAUSE_MASK

Enumerations
enum	nios2_exception_cause {   NIOS2_EXCEPTION_UNKNOWN = -1 , NIOS2_EXCEPTION_RESET = 0 , NIOS2_EXCEPTION_CPU_ONLY_RESET_REQUEST = 1 , NIOS2_EXCEPTION_INTERRUPT = 2 ,   NIOS2_EXCEPTION_TRAP_INST = 3 , NIOS2_EXCEPTION_UNIMPLEMENTED_INST = 4 , NIOS2_EXCEPTION_ILLEGAL_INST = 5 , NIOS2_EXCEPTION_MISALIGNED_DATA_ADDR = 6 ,   NIOS2_EXCEPTION_MISALIGNED_TARGET_PC = 7 , NIOS2_EXCEPTION_DIVISION_ERROR = 8 , NIOS2_EXCEPTION_SUPERVISOR_ONLY_INST_ADDR = 9 , NIOS2_EXCEPTION_SUPERVISOR_ONLY_INST = 10 ,   NIOS2_EXCEPTION_SUPERVISOR_ONLY_DATA_ADDR = 11 , NIOS2_EXCEPTION_TLB_MISS = 12 , NIOS2_EXCEPTION_TLB_EXECUTE_PERM_VIOLATION = 13 , NIOS2_EXCEPTION_TLB_READ_PERM_VIOLATION = 14 ,   NIOS2_EXCEPTION_TLB_WRITE_PERM_VIOLATION = 15 , NIOS2_EXCEPTION_MPU_INST_REGION_VIOLATION = 16 , NIOS2_EXCEPTION_MPU_DATA_REGION_VIOLATION = 17 , NIOS2_EXCEPTION_ECC_TLB_ERR = 18 ,   NIOS2_EXCEPTION_ECC_FETCH_ERR = 19 , NIOS2_EXCEPTION_ECC_REGISTER_FILE_ERR = 20 , NIOS2_EXCEPTION_ECC_DATA_ERR = 21 , NIOS2_EXCEPTION_ECC_DATA_CACHE_WRITEBACK_ERR = 22 }

Functions
static ALWAYS_INLINE unsigned int	arch_irq_lock (void)
static ALWAYS_INLINE void	arch_irq_unlock (unsigned int key)
static ALWAYS_INLINE bool	arch_irq_unlocked (unsigned int key)
void	arch_irq_enable (unsigned int irq)
void	arch_irq_disable (unsigned int irq)
uint32_t	sys_clock_cycle_get_32 (void)
static uint32_t	arch_k_cycle_get_32 (void)
uint64_t	sys_clock_cycle_get_64 (void)
static uint64_t	arch_k_cycle_get_64 (void)
static ALWAYS_INLINE void	arch_nop (void)

Detailed Description

Nios II specific kernel interface header This header contains the Nios II specific kernel interface.

It is included by the generic kernel interface header (include/arch/cpu.h)

Macro Definition Documentation

ARCH_IRQ_CONNECT

#define ARCH_IRQ_CONNECT	(		irq_p,
			priority_p,
			isr_p,
			isr_param_p,
			flags_p
	)

Value:

{ \
        Z_ISR_DECLARE(irq_p, 0, isr_p, isr_param_p); \
}

ARCH_STACK_PTR_ALIGN

#define ARCH_STACK_PTR_ALIGN   4

NIOS2_BADADDR_CAUSE_MASK

#define NIOS2_BADADDR_CAUSE_MASK

Value:

        (BIT(NIOS2_EXCEPTION_SUPERVISOR_ONLY_DATA_ADDR) | \
         BIT(NIOS2_EXCEPTION_MISALIGNED_DATA_ADDR) | \
         BIT(NIOS2_EXCEPTION_MISALIGNED_TARGET_PC) | \
         BIT(NIOS2_EXCEPTION_TLB_READ_PERM_VIOLATION) | \
         BIT(NIOS2_EXCEPTION_TLB_WRITE_PERM_VIOLATION) | \
         BIT(NIOS2_EXCEPTION_MPU_DATA_REGION_VIOLATION) | \
         BIT(NIOS2_EXCEPTION_ECC_DATA_ERR))

Enumeration Type Documentation

nios2_exception_cause

enum nios2_exception_cause

Enumerator
NIOS2_EXCEPTION_UNKNOWN
NIOS2_EXCEPTION_RESET
NIOS2_EXCEPTION_CPU_ONLY_RESET_REQUEST
NIOS2_EXCEPTION_INTERRUPT
NIOS2_EXCEPTION_TRAP_INST
NIOS2_EXCEPTION_UNIMPLEMENTED_INST
NIOS2_EXCEPTION_ILLEGAL_INST
NIOS2_EXCEPTION_MISALIGNED_DATA_ADDR
NIOS2_EXCEPTION_MISALIGNED_TARGET_PC
NIOS2_EXCEPTION_DIVISION_ERROR
NIOS2_EXCEPTION_SUPERVISOR_ONLY_INST_ADDR
NIOS2_EXCEPTION_SUPERVISOR_ONLY_INST
NIOS2_EXCEPTION_SUPERVISOR_ONLY_DATA_ADDR
NIOS2_EXCEPTION_TLB_MISS
NIOS2_EXCEPTION_TLB_EXECUTE_PERM_VIOLATION
NIOS2_EXCEPTION_TLB_READ_PERM_VIOLATION
NIOS2_EXCEPTION_TLB_WRITE_PERM_VIOLATION
NIOS2_EXCEPTION_MPU_INST_REGION_VIOLATION
NIOS2_EXCEPTION_MPU_DATA_REGION_VIOLATION
NIOS2_EXCEPTION_ECC_TLB_ERR
NIOS2_EXCEPTION_ECC_FETCH_ERR
NIOS2_EXCEPTION_ECC_REGISTER_FILE_ERR
NIOS2_EXCEPTION_ECC_DATA_ERR
NIOS2_EXCEPTION_ECC_DATA_CACHE_WRITEBACK_ERR

Function Documentation

arch_irq_disable()

void arch_irq_disable

(

unsigned int

irq

)

arch_irq_enable()

void arch_irq_enable

(

unsigned int

irq

)

arch_irq_lock()

static ALWAYS_INLINE unsigned int arch_irq_lock ( void  )

static

arch_irq_unlock()

static ALWAYS_INLINE void arch_irq_unlock ( unsigned int  key )

static

arch_irq_unlocked()

static ALWAYS_INLINE bool arch_irq_unlocked ( unsigned int  key )

static

arch_k_cycle_get_32()

static uint32_t arch_k_cycle_get_32 ( void  )

inlinestatic

arch_k_cycle_get_64()

static uint64_t arch_k_cycle_get_64 ( void  )

inlinestatic

arch_nop()

static ALWAYS_INLINE void arch_nop ( void  )

static

sys_clock_cycle_get_32()

uint32_t sys_clock_cycle_get_32 ( void  )

extern

sys_clock_cycle_get_64()

uint64_t sys_clock_cycle_get_64 ( void  )

extern