Zephyr Project API 3.7.0
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arch.h File Reference

RISCV specific kernel interface header This header contains the RISCV specific kernel interface. More...

Go to the source code of this file.

Data Structures

struct  k_mem_partition_attr_t
 
struct  arch_mem_domain
 

Macros

#define ARCH_STACK_PTR_ALIGN   16
 
#define ARCH_THREAD_STACK_RESERVED
 
#define ARCH_THREAD_STACK_SIZE_ADJUST(size)    ROUND_UP(size, Z_RISCV_STACK_PMP_ALIGN)
 
#define ARCH_THREAD_STACK_OBJ_ALIGN(size)   Z_RISCV_STACK_PMP_ALIGN
 
#define RV_REGSIZE   4
 
#define RV_REGSHIFT   2
 
#define MSTATUS_IEN   (1UL << 3)
 
#define MSTATUS_MPP_M   (3UL << 11)
 
#define MSTATUS_MPIE_EN   (1UL << 7)
 
#define MSTATUS_FS_OFF   (0UL << 13)
 
#define MSTATUS_FS_INIT   (1UL << 13)
 
#define MSTATUS_FS_CLEAN   (2UL << 13)
 
#define MSTATUS_FS_DIRTY   (3UL << 13)
 
#define MSTATUS_DEF_RESTORE   (MSTATUS_MPP_M | MSTATUS_MPIE_EN)
 
#define K_MEM_PARTITION_P_RW_U_RW
 
#define K_MEM_PARTITION_P_RW_U_RO
 
#define K_MEM_PARTITION_P_RW_U_NA
 
#define K_MEM_PARTITION_P_RO_U_RO
 
#define K_MEM_PARTITION_P_RO_U_NA
 
#define K_MEM_PARTITION_P_NA_U_NA
 
#define K_MEM_PARTITION_P_RWX_U_RWX
 
#define K_MEM_PARTITION_P_RX_U_RX
 

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)
 
static ALWAYS_INLINE void arch_nop (void)
 
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)
 

Detailed Description

RISCV specific kernel interface header This header contains the RISCV specific kernel interface.

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

Macro Definition Documentation

◆ ARCH_STACK_PTR_ALIGN

#define ARCH_STACK_PTR_ALIGN   16

◆ ARCH_THREAD_STACK_OBJ_ALIGN

#define ARCH_THREAD_STACK_OBJ_ALIGN (   size)    Z_RISCV_STACK_PMP_ALIGN

◆ ARCH_THREAD_STACK_RESERVED

#define ARCH_THREAD_STACK_RESERVED
Value:
ROUND_UP(Z_RISCV_STACK_GUARD_SIZE + CONFIG_PRIVILEGED_STACK_SIZE, \
Z_RISCV_STACK_PMP_ALIGN)
#define ROUND_UP(x, align)
Value of x rounded up to the next multiple of align.
Definition util.h:306

◆ ARCH_THREAD_STACK_SIZE_ADJUST

#define ARCH_THREAD_STACK_SIZE_ADJUST (   size)     ROUND_UP(size, Z_RISCV_STACK_PMP_ALIGN)

◆ K_MEM_PARTITION_P_NA_U_NA

#define K_MEM_PARTITION_P_NA_U_NA
Value:
{0})
uint32_t k_mem_partition_attr_t
Definition arch.h:346

◆ K_MEM_PARTITION_P_RO_U_NA

#define K_MEM_PARTITION_P_RO_U_NA
Value:

◆ K_MEM_PARTITION_P_RO_U_RO

#define K_MEM_PARTITION_P_RO_U_RO
Value:
{PMP_R})
#define PMP_R
Definition csr.h:136

◆ K_MEM_PARTITION_P_RW_U_NA

#define K_MEM_PARTITION_P_RW_U_NA
Value:

◆ K_MEM_PARTITION_P_RW_U_RO

#define K_MEM_PARTITION_P_RW_U_RO
Value:

◆ K_MEM_PARTITION_P_RW_U_RW

#define K_MEM_PARTITION_P_RW_U_RW
Value:
{PMP_R | PMP_W})
#define PMP_W
Definition csr.h:137

◆ K_MEM_PARTITION_P_RWX_U_RWX

#define K_MEM_PARTITION_P_RWX_U_RWX
Value:
{PMP_R | PMP_W | PMP_X})
#define PMP_X
Definition csr.h:138

◆ K_MEM_PARTITION_P_RX_U_RX

#define K_MEM_PARTITION_P_RX_U_RX

◆ MSTATUS_DEF_RESTORE

#define MSTATUS_DEF_RESTORE   (MSTATUS_MPP_M | MSTATUS_MPIE_EN)

◆ MSTATUS_FS_CLEAN

#define MSTATUS_FS_CLEAN   (2UL << 13)

◆ MSTATUS_FS_DIRTY

#define MSTATUS_FS_DIRTY   (3UL << 13)

◆ MSTATUS_FS_INIT

#define MSTATUS_FS_INIT   (1UL << 13)

◆ MSTATUS_FS_OFF

#define MSTATUS_FS_OFF   (0UL << 13)

◆ MSTATUS_IEN

#define MSTATUS_IEN   (1UL << 3)

◆ MSTATUS_MPIE_EN

#define MSTATUS_MPIE_EN   (1UL << 7)

◆ MSTATUS_MPP_M

#define MSTATUS_MPP_M   (3UL << 11)

◆ RV_REGSHIFT

#define RV_REGSHIFT   2

◆ RV_REGSIZE

#define RV_REGSIZE   4

Function Documentation

◆ 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