ccbaa553a1
Add runtime supporting the nios2-semi.c interface. Execute the hello and memory multiarch tests. Cc: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220421151735.31996-64-richard.henderson@linaro.org>
32 lines
588 B
ArmAsm
32 lines
588 B
ArmAsm
/*
|
|
* Minimal Nios2 system boot code -- exit on interrupt.
|
|
*
|
|
* Copyright Linaro Ltd 2022
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "semicall.h"
|
|
|
|
.section .text.intr, "ax"
|
|
.global _interrupt
|
|
.type _interrupt, @function
|
|
|
|
_interrupt:
|
|
rdctl r5, exception /* extract exception.CAUSE */
|
|
srli r5, r5, 2
|
|
movi r4, HOSTED_EXIT
|
|
semihosting_call
|
|
|
|
.size _interrupt, . - _interrupt
|
|
|
|
.text
|
|
.global _fast_tlb_miss
|
|
.type _fast_tlb_miss, @function
|
|
|
|
_fast_tlb_miss:
|
|
movi r5, 32
|
|
movi r4, HOSTED_EXIT
|
|
semihosting_call
|
|
|
|
.size _fast_tlb_miss, . - _fast_tlb_miss
|