git.sur5r.net Git - freertos/blob - FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/plic/plic_driver.h

   1 // See LICENSE file for licence details\r
   2 \r
   3 #ifndef PLIC_DRIVER_H\r
   4 #define PLIC_DRIVER_H\r
   5 \r
   6 \r
   7 __BEGIN_DECLS\r
   8 \r
   9 #include "platform.h"\r
  10 \r
  11 typedef struct __plic_instance_t\r
  12 {\r
  13   uintptr_t base_addr;\r
  14 \r
  15   uint32_t num_sources;\r
  16   uint32_t num_priorities;\r
  17   \r
  18 } plic_instance_t;\r
  19 \r
  20 typedef uint32_t plic_source;\r
  21 typedef uint32_t plic_priority;\r
  22 typedef uint32_t plic_threshold;\r
  23 \r
  24 void PLIC_init (\r
  25                 plic_instance_t * this_plic,\r
  26                 uintptr_t         base_addr,\r
  27                 uint32_t num_sources,\r
  28                 uint32_t num_priorities\r
  29                 );\r
  30 \r
  31 void PLIC_set_threshold (plic_instance_t * this_plic,\r
  32                          plic_threshold threshold);\r
  33   \r
  34 void PLIC_enable_interrupt (plic_instance_t * this_plic,\r
  35                             plic_source source);\r
  36 \r
  37 void PLIC_disable_interrupt (plic_instance_t * this_plic,\r
  38                              plic_source source);\r
  39   \r
  40 void PLIC_set_priority (plic_instance_t * this_plic,\r
  41                         plic_source source,\r
  42                         plic_priority priority);\r
  43 \r
  44 plic_source PLIC_claim_interrupt(plic_instance_t * this_plic);\r
  45 \r
  46 void PLIC_complete_interrupt(plic_instance_t * this_plic,\r
  47                              plic_source source);\r
  48 \r
  49 __END_DECLS\r
  50 \r
  51 #endif\r