#------------------------------------------------------------------------------ | |
# | |
# Get LoongArch interrupt status | |
# | |
# Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR> | |
# | |
# SPDX-License-Identifier: BSD-2-Clause-Patent | |
# | |
#------------------------------------------------------------------------------ | |
ASM_GLOBAL ASM_PFX(GetInterruptState) | |
#/** | |
# Retrieves the current CPU interrupt state. | |
# | |
# Returns TRUE means interrupts are currently enabled. Otherwise, | |
# returns FALSE. | |
# | |
# @retval TRUE CPU interrupts are enabled. | |
# @retval FALSE CPU interrupts are disabled. | |
# | |
#**/ | |
ASM_PFX(GetInterruptState): | |
li.w $t1, 0x4 | |
csrrd $t0, 0x0 | |
and $t0, $t0, $t1 | |
beqz $t0, 1f | |
li.w $a0, 0x1 | |
b 2f | |
1: | |
li.w $a0, 0x0 | |
2: | |
jirl $zero, $ra, 0 | |
.end |