diff options
Diffstat (limited to 'bsp/drivers/clic/clic_driver.h')
-rw-r--r-- | bsp/drivers/clic/clic_driver.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/bsp/drivers/clic/clic_driver.h b/bsp/drivers/clic/clic_driver.h new file mode 100644 index 0000000..27c34c2 --- /dev/null +++ b/bsp/drivers/clic/clic_driver.h @@ -0,0 +1,44 @@ +// See LICENSE file for licence details + +#ifndef PLIC_DRIVER_H +#define PLIC_DRIVER_H + + +__BEGIN_DECLS + +#include "platform.h" + +typedef void (*interrupt_function_ptr_t) (void); + +typedef struct __clic_instance_t +{ + uintptr_t hart_addr; + interrupt_function_ptr_t* vect_table; + uint32_t num_config_bits; + uint32_t num_sources; +} clic_instance_t; + +// Note that there are no assertions or bounds checking on these +// parameter values. +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); +void clic_install_handler (clic_instance_t * this_clic, uint32_t source, interrupt_function_ptr_t handler); +void clic_enable_interrupt (clic_instance_t * this_clic, uint32_t source); +void clic_disable_interrupt (clic_instance_t * this_clic, uint32_t source); +void clic_set_pending(clic_instance_t * this_clic, uint32_t source); +void clic_clear_pending(clic_instance_t * this_clic, uint32_t source); +void clic_set_intcfg (clic_instance_t * this_clic, uint32_t source, uint32_t intcfg); +uint8_t clic_get_intcfg (clic_instance_t * this_clic, uint32_t source); +void clic_set_cliccfg (clic_instance_t * this_clic, uint32_t cfg); +uint8_t clic_get_cliccfg (clic_instance_t * this_clic); +//sets an interrupt level based encoding of nmbits, nlbits +uint8_t clic_set_int_level( clic_instance_t * this_clic, uint32_t source, uint8_t level); +//get an interrupt level based encoding of nmbits, nlbits +uint8_t clic_get_int_level( clic_instance_t * this_clic, uint32_t source); +//sets an interrupt priority based encoding of nmbits, nlbits +uint8_t clic_set_int_priority( clic_instance_t * this_clic, uint32_t source, uint8_t priority); +//sets an interrupt priority based encoding of nmbits, nlbits +uint8_t clic_get_int_priority( clic_instance_t * this_clic, uint32_t source); + +__END_DECLS + +#endif |