| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136 |
- /*
- * Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
- *
- * 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.
- */
- /******************************************************************************
- * @file vectors.S
- * @brief define default vector handlers. Should use with
- * GCC for CSKY Embedded Processors
- * @version V1.0
- * @date 28. Nove 2017
- ******************************************************************************/
- #include <csi_config.h>
- .import trap_c
- .section .bss
- .align 2
- .globl g_trapstackalloc
- .global g_trapstackbase
- .global g_top_trapstack
- g_trapstackalloc:
- g_trapstackbase:
- .space 512
- g_top_trapstack:
- .align 2
- .globl g_trap_sp
- .type g_trap_sp, object
- g_trap_sp:
- .long 0
- .size g_trap_sp, .-g_trap_sp
- .text
- /******************************************************************************
- * Functions:
- * void trap(void);
- * default exception handler
- ******************************************************************************/
- .global trap
- .type trap, %function
- trap:
- psrset ee
- subi sp, 4
- stw r13, (sp)
- addi sp, 4
- lrw r13, g_trap_sp
- stw sp, (r13)
- lrw sp, g_top_trapstack
- subi sp, 72
- stm r0-r12, (sp)
- lrw r0, g_trap_sp
- ldw r0, (r0)
- stw r0, (sp, 56) /* save r14 */
- subi r0, 4
- ldw r13, (r0)
- stw r13, (sp, 52)
- stw r15, (sp, 60)
- mfcr r0, epsr
- stw r0, (sp, 64)
- mfcr r0, epc
- stw r0, (sp, 68)
- mov r0, sp
- jbsr trap_c
- .align 2
- .weak Default_Handler
- .type Default_Handler, %function
- Default_Handler:
- br trap
- .size Default_Handler, . - Default_Handler
- /* Macro to define default handlers. Default handler
- * will be weak symbol and just dead loops. They can be
- * overwritten by other handlers */
- .macro def_irq_handler handler_name
- .weak \handler_name
- .globl \handler_name
- .set \handler_name, Default_Handler
- .endm
- def_irq_handler tspend_handler
- def_irq_handler SDIO_IRQHandler /* 0: SDIO */
- def_irq_handler MAC_IRQHandler /* 1: MAC */
- def_irq_handler RF_Cfg_IRQHandler /* 2: RF Cfg */
- def_irq_handler SEC_IRQHandler /* 3: SEC */
- def_irq_handler DMA_Channel0_IRQHandler /* 4: DMA_Channel0 */
- def_irq_handler DMA_Channel1_IRQHandler /* 5: DMA_Channel1 */
- def_irq_handler DMA_Channel2_IRQHandler /* 6: DMA_Channel2 */
- def_irq_handler DMA_Channel3_IRQHandler /* 7: DMA_Channel3 */
- def_irq_handler DMA_Channel4_7_IRQHandler /* 8: DMA_Channel4_7 */
- def_irq_handler DMA_BRUST_IRQHandler /* 9: DMA_BRUST */
- def_irq_handler I2C_IRQHandler /* 10: IIC */
- def_irq_handler ADC_IRQHandler /* 11: SD ADC */
- def_irq_handler SPI_LS_IRQHandler /* 12: LS SPI */
- def_irq_handler SPI_HS_IRQHandler /* 13: HS SPI */
- def_irq_handler GPIOA_IRQHandler /* 14: GPIOA */
- def_irq_handler GPIOB_IRQHandler /* 15: GPIOB */
- def_irq_handler USART_IRQHandler /* 16: UART0 */
- def_irq_handler USART1_IRQHandler /* 17: UART1 */
- def_irq_handler USART2_IRQHandler /* 18: UART2&7816 */
- def_irq_handler USART3_5_IRQHandler /* 19: USART3_5 */
- def_irq_handler BLE_IRQHandler /* 20: BLE */
- def_irq_handler BT_IRQHandler /* 21: BT */
- def_irq_handler PWM_IRQHandler /* 22: PWM */
- def_irq_handler I2S_IRQHandler /* 23: I2S */
- def_irq_handler SDIO_HOST_IRQHandler /* 24: SDIO HOST */
- def_irq_handler CORET_IRQHandler /* 25: CoreTIM */
- def_irq_handler RSA_IRQHandler /* 26: RSA */
- def_irq_handler GPSEC_IRQHandler /* 27: GPSEC */
- def_irq_handler FLASH_IRQHandler /* 28: Flash */
- def_irq_handler PMU_IRQHandler /* 29: PMU */
- def_irq_handler TIM0_5_IRQHandler /* 30: Timer0_5 */
- def_irq_handler WDG_IRQHandler /* 31: Watch dog */
|
