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author | Megan Wachs <megan@sifive.com> | 2017-02-02 11:40:13 -0800 |
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committer | GitHub <noreply@github.com> | 2017-02-02 11:40:13 -0800 |
commit | b7c778c4e0b26e719226053a204142c0cb54dd4b (patch) | |
tree | 88405c74373d0d04da351aff5f2cf92dcf11d2a9 /bsp/drivers/plic/plic_driver.h | |
parent | 55136a72df6f6f64793be7ead298434d01721dc5 (diff) | |
parent | 557c3ed0dc025b73a919f3e2a4068808092f48c1 (diff) |
Merge pull request #50 from sifive/common_plic
FE-203 Move plic_driver code to a common location.
Diffstat (limited to 'bsp/drivers/plic/plic_driver.h')
-rw-r--r-- | bsp/drivers/plic/plic_driver.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/bsp/drivers/plic/plic_driver.h b/bsp/drivers/plic/plic_driver.h new file mode 100644 index 0000000..e7d609b --- /dev/null +++ b/bsp/drivers/plic/plic_driver.h @@ -0,0 +1,51 @@ +// See LICENSE file for licence details + +#ifndef PLIC_DRIVER_H +#define PLIC_DRIVER_H + + +__BEGIN_DECLS + +#include "platform.h" + +typedef struct __plic_instance_t +{ + uintptr_t base_addr; + + uint32_t num_sources; + uint32_t num_priorities; + +} plic_instance_t; + +typedef uint32_t plic_source; +typedef uint32_t plic_priority; +typedef uint32_t plic_threshold; + +void PLIC_init ( + plic_instance_t * this_plic, + uintptr_t base_addr, + uint32_t num_sources, + uint32_t num_priorities + ); + +void PLIC_set_threshold (plic_instance_t * this_plic, + plic_threshold threshold); + +void PLIC_enable_interrupt (plic_instance_t * this_plic, + plic_source source); + +void PLIC_disable_interrupt (plic_instance_t * this_plic, + plic_source source); + +void PLIC_set_priority (plic_instance_t * this_plic, + plic_source source, + plic_priority priority); + +plic_source PLIC_claim_interrupt(plic_instance_t * this_plic); + +void PLIC_complete_interrupt(plic_instance_t * this_plic, + plic_source source); + +__END_DECLS + +#endif |