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// See LICENSE file for licence details
#ifndef N22_FUNC_H
#define N22_FUNC_H
#include "n22_tmr.h"
#include "n22_eclic.h"
#define ECLIC_GROUP_LEVEL0_PRIO4 0
#define ECLIC_GROUP_LEVEL1_PRIO3 1
#define ECLIC_GROUP_LEVEL2_PRIO2 2
#define ECLIC_GROUP_LEVEL3_PRIO1 3
#define ECLIC_GROUP_LEVEL4_PRIO0 4
void switch_m2u_mode();
uint32_t get_tmr_freq();
uint32_t mtime_lo(void);
uint32_t mtime_hi(void);
uint64_t get_timer_value();
uint64_t get_instret_value();
uint64_t get_cycle_value();
void eclic_init(uint32_t num_irq);
void eclic_enable_interrupt(uint32_t source);
void eclic_disable_interrupt(uint32_t source);
void eclic_set_pending(uint32_t source);
void eclic_clear_pending(uint32_t source);
void eclic_set_intctrl(uint32_t source, uint8_t intctrl);
uint8_t eclic_get_intctrl(uint32_t source);
void eclic_set_intattr(uint32_t source, uint8_t intattr);
uint8_t eclic_get_intattr(uint32_t source);
void eclic_set_ecliccfg(uint8_t ecliccfg);
uint8_t eclic_get_ecliccfg();
void eclic_set_mth(uint8_t mth);
uint8_t eclic_get_mth();
void eclic_set_nlbits(uint8_t nlbits);
uint8_t eclic_get_nlbits();
uint8_t eclic_set_int_level(uint32_t source, uint8_t level);
uint8_t eclic_get_int_level(uint32_t source);
uint8_t eclic_set_int_priority(uint32_t source, uint8_t priority);
uint8_t eclic_get_int_priority(uint32_t source);
void eclic_mode_enable();
void eclic_set_shv(uint32_t source, uint8_t shv);
void eclic_set_trig(uint32_t source, uint8_t trig);
///** \brief Wait For Interrupt
//
// Wait For Interrupt is a hint instruction that suspends execution
// until one of a number of events occurs.
// */
__attribute__( ( always_inline ) ) static inline void __WFI(void) {
__asm volatile ("wfi");
}
//
//
/** \brief Wait For Event
Wait For Event is a hint instruction that permits the processor to enter
a low-power state until one of a number of events occurs.
*/
__attribute__( ( always_inline ) ) static inline void __WFE(void)
{
__asm volatile ("wfi");
}
void close_timer(void);
void open_timer(void);
void enable_timer_interrupt(void);
void clear_timer_interrupt(void);
#endif
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