140 lines
4.2 KiB
ArmAsm
140 lines
4.2 KiB
ArmAsm
/*
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* Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/******************************************************************************
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* @file vectors.S
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* @brief define default vector handlers. Should use with
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* GCC for CSKY Embedded Processors
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* @version V1.0
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* @date 28. Nove 2017
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******************************************************************************/
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#include <csi_config.h>
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.import trap_c
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.section .trap_stack
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.align 2
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.globl g_trapstackalloc
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.global g_trapstackbase
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.global g_top_trapstack
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g_trapstackalloc:
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g_trapstackbase:
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.space 512
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g_top_trapstack:
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.text
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/******************************************************************************
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* Functions:
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* uint32_t __get_PC(uint32_t);
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* default exception handler
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******************************************************************************/
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.global __get_PC
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.type __get_PC, %function
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__get_PC:
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grs r0, __get_PC
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jmp r15
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/******************************************************************************
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* Functions:
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* void trap(void);
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* default exception handler
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******************************************************************************/
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.global trap
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.type trap, %function
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trap:
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psrset ee
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subi sp, 4
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stw r0, (sp)
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lrw r0, g_top_trapstack
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subi r0, 76
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stm r0-r15, (r0)
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stw r28, (r0, 64)
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ldw r1, (sp)
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addi sp, 4
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stw sp, (r0, 56) /* save r14 */
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mov sp, r0
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stw r1, (sp) /* save r0 */
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mfcr r1, epsr
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stw r1, (sp, 68)
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mfcr r1, epc
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stw r1, (sp, 72)
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jbsr trap_c
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.align 2
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.weak Default_Handler
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.type Default_Handler, %function
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Default_Handler:
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br trap
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.size Default_Handler, . - Default_Handler
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/* Macro to define default handlers. Default handler
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* will be weak symbol and just dead loops. They can be
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* overwritten by other handlers */
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.macro def_irq_handler handler_name
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.weak \handler_name
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.globl \handler_name
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.set \handler_name, Default_Handler
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.endm
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def_irq_handler trap0_handler
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def_irq_handler tspend_handler
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def_irq_handler USB20DMA_USB11SOF_IRQHandler
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def_irq_handler USB20MC_USB11CTL_IRQHandler
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def_irq_handler UART0_IRQHandler
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def_irq_handler UART1_IRQHandler
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def_irq_handler UART2_IRQHandler
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def_irq_handler QSPI_IRQHandler
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def_irq_handler SPI0_IRQHandler
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def_irq_handler SPI1_IRQHandler
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def_irq_handler SPI2_IRQHandler
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def_irq_handler SPI3_IRQHandler
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def_irq_handler TIM0_IRQHandler
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def_irq_handler TIM1_IRQHandler
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def_irq_handler TIM2_IRQHandler
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def_irq_handler TIM3_IRQHandler
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def_irq_handler TIM4_IRQHandler
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def_irq_handler TIM5_IRQHandler
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def_irq_handler TIM6_IRQHandler
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def_irq_handler TIM7_IRQHandler
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def_irq_handler SDIO_IRQHandler
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def_irq_handler SDIO_RST_IRQHandler
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def_irq_handler SDHOST_IRQHandler
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def_irq_handler LMAC_IRQHandler
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def_irq_handler GMAC_IRQHandler
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def_irq_handler M2M0_IRQHandler
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def_irq_handler M2M1_IRQHandler
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def_irq_handler CORET_IRQHandler
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def_irq_handler SYSAES_IRQHandler
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def_irq_handler CRC_IRQHandler
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def_irq_handler ADKEY_IRQHandler
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def_irq_handler PD_TMR_IRQHandler
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def_irq_handler WKPND_IRQHandler
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def_irq_handler PDWKPND_IRQHandler
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def_irq_handler LVD_IRQHandler
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def_irq_handler WDT_IRQHandler
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def_irq_handler SYS_ERR_IRQHandler
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def_irq_handler IIS0_IRQHandler
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def_irq_handler IIS1_IRQHandler
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def_irq_handler GPIOA_IRQHandler
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def_irq_handler GPIOB_IRQHandler
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def_irq_handler DVP_IRQHandler
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def_irq_handler JPG_IRQHandler
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