From cf7c06297d04bade9cd04c056f9ed510e64dd7bd Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Wed, 5 Aug 2020 03:39:22 +0200 Subject: code -> fw --- code/fe310/eos/interrupt.c | 72 ---------------------------------------------- 1 file changed, 72 deletions(-) delete mode 100644 code/fe310/eos/interrupt.c (limited to 'code/fe310/eos/interrupt.c') diff --git a/code/fe310/eos/interrupt.c b/code/fe310/eos/interrupt.c deleted file mode 100644 index 820d1fa..0000000 --- a/code/fe310/eos/interrupt.c +++ /dev/null @@ -1,72 +0,0 @@ -#include -#include -#include -#include - -#include "encoding.h" -#include "platform.h" -#include "plic_driver.h" - -#include "interrupt.h" - -// Global Instance data for the PLIC -// for use by the PLIC Driver. -static plic_instance_t plic; - -static eos_intr_handler_t ext_interrupt_handler[PLIC_NUM_INTERRUPTS]; - -uintptr_t eos_intr_handle(uintptr_t int_num) { - if ((int_num >=1) && (int_num <= PLIC_NUM_INTERRUPTS) && (ext_interrupt_handler[int_num-1])) { - ext_interrupt_handler[int_num-1](); - } else { - printf("error:%d\n", int_num); - exit(int_num); - } - return int_num; -} - -void eos_intr_init(void) { - for (int i = 0; i < PLIC_NUM_INTERRUPTS; i++){ - ext_interrupt_handler[i] = NULL; - } - - /************************************************************************** - * Set up the PLIC - **************************************************************************/ - PLIC_init(&plic, - PLIC_CTRL_ADDR, - PLIC_NUM_INTERRUPTS, - PLIC_NUM_PRIORITIES); - - // Enable Global (PLIC) interrupts. - set_csr(mie, MIP_MEIP); - - // Enable all interrupts - set_csr(mstatus, MSTATUS_MIE); -} - -void eos_intr_set(uint8_t int_num, uint8_t priority, eos_intr_handler_t handler) { - ext_interrupt_handler[int_num-1] = handler; - PLIC_set_priority(&plic, int_num, priority); - PLIC_enable_interrupt(&plic, int_num); -} - -void eos_intr_set_handler(uint8_t int_num, eos_intr_handler_t handler) { - ext_interrupt_handler[int_num-1] = handler; -} - -void eos_intr_set_priority(uint8_t int_num, uint8_t priority) { - PLIC_set_priority(&plic, int_num, priority); -} - -void eos_intr_enable(uint8_t int_num) { - PLIC_enable_interrupt(&plic, int_num); -} - -void eos_intr_disable(uint8_t int_num) { - PLIC_disable_interrupt(&plic, int_num); -} - -void eos_intr_mask(uint8_t priority) { - PLIC_set_threshold(&plic, priority); -} -- cgit v1.2.3