From abbf5a2ef4b46218a1b24ef6afd6cf7b35a87e55 Mon Sep 17 00:00:00 2001 From: Drew Barbier Date: Mon, 2 Jul 2018 00:40:06 -0500 Subject: e2 and clic start --- bsp/drivers/clic/clic_driver.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 bsp/drivers/clic/clic_driver.h (limited to 'bsp/drivers/clic/clic_driver.h') diff --git a/bsp/drivers/clic/clic_driver.h b/bsp/drivers/clic/clic_driver.h new file mode 100644 index 0000000..6e8cf0b --- /dev/null +++ b/bsp/drivers/clic/clic_driver.h @@ -0,0 +1,36 @@ +// 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_level (clic_instance_t * this_clic, uint32_t source, uint32_t priority); +void clic_get_level (clic_instance_t * this_clic, uint32_t source, uint32_t priority); +void clic_set_priority (clic_instance_t * this_clic, uint32_t source, uint32_t priority); +void clic_get_priority (clic_instance_t * this_clic, uint32_t source, uint32_t priority); + +__END_DECLS + +#endif -- cgit v1.2.1-18-gbd029 From 264c905f62394221215cd367b638e90c60d70808 Mon Sep 17 00:00:00 2001 From: Drew Barbier Date: Mon, 2 Jul 2018 15:51:39 -0500 Subject: accessors for other clic registers --- bsp/drivers/clic/clic_driver.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'bsp/drivers/clic/clic_driver.h') diff --git a/bsp/drivers/clic/clic_driver.h b/bsp/drivers/clic/clic_driver.h index 6e8cf0b..1fd9bb6 100644 --- a/bsp/drivers/clic/clic_driver.h +++ b/bsp/drivers/clic/clic_driver.h @@ -26,10 +26,10 @@ 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_level (clic_instance_t * this_clic, uint32_t source, uint32_t priority); -void clic_get_level (clic_instance_t * this_clic, uint32_t source, uint32_t priority); -void clic_set_priority (clic_instance_t * this_clic, uint32_t source, uint32_t priority); -void clic_get_priority (clic_instance_t * this_clic, uint32_t source, uint32_t priority); +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); __END_DECLS -- cgit v1.2.1-18-gbd029 From 962b23a3797ba659577056ed3fc57c2d0a77df62 Mon Sep 17 00:00:00 2001 From: Drew Barbier Date: Wed, 4 Jul 2018 18:48:19 -0500 Subject: clic driver level and priority functions --- bsp/drivers/clic/clic_driver.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'bsp/drivers/clic/clic_driver.h') diff --git a/bsp/drivers/clic/clic_driver.h b/bsp/drivers/clic/clic_driver.h index 1fd9bb6..27c34c2 100644 --- a/bsp/drivers/clic/clic_driver.h +++ b/bsp/drivers/clic/clic_driver.h @@ -30,6 +30,14 @@ void clic_set_intcfg (clic_instance_t * this_clic, uint32_t source, uint32_t int 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 -- cgit v1.2.1-18-gbd029