45 lines
1.9 KiB
C
45 lines
1.9 KiB
C
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// See LICENSE file for licence details
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#ifndef PLIC_DRIVER_H
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#define PLIC_DRIVER_H
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__BEGIN_DECLS
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#include "platform.h"
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typedef void (*interrupt_function_ptr_t) (void);
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typedef struct __clic_instance_t
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{
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uintptr_t hart_addr;
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interrupt_function_ptr_t* vect_table;
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uint32_t num_config_bits;
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uint32_t num_sources;
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} clic_instance_t;
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// Note that there are no assertions or bounds checking on these
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// parameter values.
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void clic_init (clic_instance_t * this_clic, uintptr_t hart_addr, interrupt_function_ptr_t* vect_table, interrupt_function_ptr_t default_handler, uint32_t num_irq,uint32_t num_config_bits);
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void clic_install_handler (clic_instance_t * this_clic, uint32_t source, interrupt_function_ptr_t handler);
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void clic_enable_interrupt (clic_instance_t * this_clic, uint32_t source);
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void clic_disable_interrupt (clic_instance_t * this_clic, uint32_t source);
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void clic_set_pending(clic_instance_t * this_clic, uint32_t source);
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void clic_clear_pending(clic_instance_t * this_clic, uint32_t source);
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void clic_set_intcfg (clic_instance_t * this_clic, uint32_t source, uint32_t intcfg);
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uint8_t clic_get_intcfg (clic_instance_t * this_clic, uint32_t source);
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void clic_set_cliccfg (clic_instance_t * this_clic, uint32_t cfg);
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uint8_t clic_get_cliccfg (clic_instance_t * this_clic);
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//sets an interrupt level based encoding of nmbits, nlbits
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uint8_t clic_set_int_level( clic_instance_t * this_clic, uint32_t source, uint8_t level);
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//get an interrupt level based encoding of nmbits, nlbits
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uint8_t clic_get_int_level( clic_instance_t * this_clic, uint32_t source);
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//sets an interrupt priority based encoding of nmbits, nlbits
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uint8_t clic_set_int_priority( clic_instance_t * this_clic, uint32_t source, uint8_t priority);
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//sets an interrupt priority based encoding of nmbits, nlbits
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uint8_t clic_get_int_priority( clic_instance_t * this_clic, uint32_t source);
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__END_DECLS
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#endif
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