/*
 * Copyright (C) 2017-2024 Alibaba Group Holding Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <csi_config.h>

#ifndef CONFIG_SUPPORT_NON_VECTOR_IRQ
.section .vectors, "aw", @progbits
    .align  6
    .globl  __Vectors
    .type   __Vectors, @object
__Vectors:
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler
    .long   tspend_handler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_IRQHandler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler
    .long   Default_Handler

    /* External interrupts */
    .long   Default_IRQHandler
#if CONFIG_IRQ_LATENCY
    .long   IRQ_LATENCY_IRQHandler
#else
    .long   Default_IRQHandler
#endif
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
    .long   Default_IRQHandler
#else
.section .vectors, "aw", @progbits
    .align  6
    .globl  __Vectors
    .type   __Vectors, @object
__Vectors:
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   tspend_handler
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq

    /* External interrupts */
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
    .long   do_irq
#endif

    .text
    .align   2
    j        Reset_Handler
    .align   2
    .long    0x594B5343 /* CSKY ASCII */
    .long    0x594B5343 /* CSKY ASCII */
    .align   2
_start:
    .text
    .globl   Reset_Handler
    .align  2
    .type   Reset_Handler, %function
Reset_Handler:
.option push
.option norelax
    la      gp, __global_pointer$
    la      a0, __jvt_base$
    csrw    jvt, a0
.option pop
    la      a0, Default_Handler
    ori     a0, a0, 3
    csrw    mtvec, a0

    la      a0, __Vectors
    csrw    mtvt, a0

    la      sp, g_top_irqstack
    csrw    mscratch, sp
#ifdef CONFIG_KERNEL_NONE
    la      sp, g_top_mainstack
#endif

#ifndef __NO_SYSTEM_INIT
    jal     SystemInit
#endif

    jal     rtthread_startup

    .size   Reset_Handler, . - Reset_Handler

__exit:
    j      __exit

.section .stack, "aw", @nobits
    .align  3
    .global g_base_irqstack
    .global g_top_irqstack
g_base_irqstack:
    .space CONFIG_ARCH_INTERRUPTSTACK
g_top_irqstack:

#ifdef CONFIG_KERNEL_NONE
    .align  3
    .global g_base_mainstack
    .global g_top_mainstack
g_base_mainstack:
    .space CONFIG_ARCH_MAINSTACK
g_top_mainstack:
#endif

.section .data
    .weak __jvt_base$
    .long 0