Files | Functions
RISC-V common
CPU

Common implementations and headers for the RISC-V CPU. More...

Detailed Description

Common implementations and headers for the RISC-V CPU.

Files

file  clic.h
 RISCV CLIC interrupt controller definitions.
 
file  context_frame.h
 Thread context frame stored on stack.
 
file  cpu_common.h
 Basic definitions for the RISC-V CPU module.
 
file  cpu_conf_common.h
 RISC-V CPU configuration options.
 
file  cpucycle.h
 Functions to read CPU cycle counter.
 
file  irq_arch.h
 Implementation of the kernels irq interface.
 
file  periph_cpu_common.h
 CPU specific definitions for internal peripheral handling.
 
file  plic.h
 Platform-Level interrupt controller driver.
 
file  pmp.h
 RISC-V PMP configuration options.
 

Functions

void riscv_init (void)
 Initialize rv32i specific core parts of the CPU. More...
 
void riscv_fpu_init (void)
 Enable the rv32i FPU when present.
 
void riscv_irq_init (void)
 Initialization of the interrupt controller.
 
static uintptr_t cpu_get_caller_pc (void)
 Gets the last instruction's address. More...
 
static void cpu_reg_enable_bits (volatile uint32_t *reg, uint32_t mask)
 Convenience function to set bit flags in a register. More...
 
static void cpu_reg_disable_bits (volatile uint32_t *reg, uint32_t mask)
 Convenience function to clear bit flags in a register. More...
 

Function Documentation

◆ cpu_get_caller_pc()

static uintptr_t cpu_get_caller_pc ( void  )
inlinestatic

Gets the last instruction's address.

Todo:
: Not supported

Definition at line 50 of file cpu_common.h.

◆ cpu_reg_disable_bits()

static void cpu_reg_disable_bits ( volatile uint32_t *  reg,
uint32_t  mask 
)
inlinestatic

Convenience function to clear bit flags in a register.

Parameters
regregister to clear bits in
maskbits to clear in the register

Definition at line 75 of file cpu_common.h.

◆ cpu_reg_enable_bits()

static void cpu_reg_enable_bits ( volatile uint32_t *  reg,
uint32_t  mask 
)
inlinestatic

Convenience function to set bit flags in a register.

Parameters
regregister to set bits in
maskbits to set in the register

Definition at line 63 of file cpu_common.h.

◆ riscv_init()

void riscv_init ( void  )

Initialize rv32i specific core parts of the CPU.

Initialized the interrupt controller and the enables the FPU if present