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