intr.S (588B)
1 /* 2 * Minimal Nios2 system boot code -- exit on interrupt. 3 * 4 * Copyright Linaro Ltd 2022 5 * SPDX-License-Identifier: GPL-2.0-or-later 6 */ 7 8 #include "semicall.h" 9 10 .section .text.intr, "ax" 11 .global _interrupt 12 .type _interrupt, @function 13 14 _interrupt: 15 rdctl r5, exception /* extract exception.CAUSE */ 16 srli r5, r5, 2 17 movi r4, HOSTED_EXIT 18 semihosting_call 19 20 .size _interrupt, . - _interrupt 21 22 .text 23 .global _fast_tlb_miss 24 .type _fast_tlb_miss, @function 25 26 _fast_tlb_miss: 27 movi r5, 32 28 movi r4, HOSTED_EXIT 29 semihosting_call 30 31 .size _fast_tlb_miss, . - _fast_tlb_miss