diff options
| -rw-r--r-- | core/nds32/abort.S | 26 | ||||
| -rw-r--r-- | core/nds32/build.mk | 3 |
2 files changed, 29 insertions, 0 deletions
diff --git a/core/nds32/abort.S b/core/nds32/abort.S new file mode 100644 index 0000000000..d7474812af --- /dev/null +++ b/core/nds32/abort.S @@ -0,0 +1,26 @@ +/* Copyright 2018 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * abort() handler + */ + +#include "config.h" +#define PSW_INTL_SHIFT 1 /* Interrupt Stack Level */ +#define PSW_INTL_MASK (0x3 << PSW_INTL_SHIFT) + +.text + +.global abort +abort: + movi55 $r6, 3 // assert + movi55 $r7, 0 // no info. doubles for the equality test below + + // in interrupt context -> $r5 != 0 + mfsr $r5, $PSW + andi $r5, $r5, PSW_INTL_MASK + + beq $r5, $r7, .L1 + j excep_handler +.L1: + break 0 diff --git a/core/nds32/build.mk b/core/nds32/build.mk index db2a52d1b1..6043ef9831 100644 --- a/core/nds32/build.mk +++ b/core/nds32/build.mk @@ -20,5 +20,8 @@ CFLAGS_CPU+=-flto LDFLAGS_EXTRA+=-flto endif +LDFLAGS_EXTRA+=-Wl,--relax + core-y=cpu.o init.o panic.o task.o switch.o __muldi3.o math.o __builtin.o +core-y+=abort.o core-$(CONFIG_FPU)+=__libsoftfpu.o |