diff options
Diffstat (limited to 'libgloss/or1k/interrupts.c')
-rw-r--r-- | libgloss/or1k/interrupts.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/libgloss/or1k/interrupts.c b/libgloss/or1k/interrupts.c deleted file mode 100644 index 6badc497c..000000000 --- a/libgloss/or1k/interrupts.c +++ /dev/null @@ -1,69 +0,0 @@ -/* interrupts.c -- interrupt handling for OpenRISC 1000. - * - * Copyright (c) 2014 Authors - * - * Contributor Stefan Wallentowitz <stefan.wallentowitz@tum.de> - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ - -#include "include/or1k-support.h" -#include "include/or1k-sprs.h" -#include <stdint.h> - -#include "or1k-internals.h" - -#ifdef __OR1K_MULTICORE__ -or1k_interrupt_handler_table_t *_or1k_interrupt_handler_table; -or1k_interrupt_handler_data_ptr_table_t *_or1k_interrupt_handler_data_ptr_table; -#else -or1k_interrupt_handler_table_t _or1k_interrupt_handler_table; -or1k_interrupt_handler_data_ptr_table_t _or1k_interrupt_handler_data_ptr_table; -#endif - -void or1k_interrupt_handler_add(uint32_t id, - or1k_interrupt_handler_fptr handler, - void *data_ptr) -{ -#ifdef __OR1K_MULTICORE__ - _or1k_interrupt_handler_table[or1k_coreid()][id] = handler; - _or1k_interrupt_handler_data_ptr_table[or1k_coreid()][id] = (uint32_t) data_ptr; -#else - _or1k_interrupt_handler_table[id] = handler; - _or1k_interrupt_handler_data_ptr_table[id] = (uint32_t) data_ptr; -#endif -} - -void -or1k_interrupts_enable(void) -{ - uint32_t sr = or1k_mfspr(OR1K_SPR_SYS_SR_ADDR); - sr = OR1K_SPR_SYS_SR_IEE_SET(sr, 1); - or1k_mtspr(OR1K_SPR_SYS_SR_ADDR, sr); -} - -uint32_t -or1k_interrupts_disable(void) -{ - uint32_t oldsr, newsr; - oldsr= or1k_mfspr(OR1K_SPR_SYS_SR_ADDR); - newsr = OR1K_SPR_SYS_SR_IEE_SET(oldsr, 0); - or1k_mtspr(OR1K_SPR_SYS_SR_ADDR, newsr); - return OR1K_SPR_SYS_SR_IEE_GET(oldsr); -} - -void -or1k_interrupts_restore(uint32_t sr_iee) -{ - uint32_t sr = or1k_mfspr(OR1K_SPR_SYS_SR_ADDR); - sr = OR1K_SPR_SYS_SR_IEE_SET(sr, sr_iee); - or1k_mtspr(OR1K_SPR_SYS_SR_ADDR, sr); -} |