319 lines
5.1 KiB
ArmAsm
319 lines
5.1 KiB
ArmAsm
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.org 0x200
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.global Reset_Handler,hard_fault_handler,svc_handler,pendsv_handler,systick,irq0,irq1,irq2,irq3,irq4,irq5,irq6,irq7,irq8,irq9,irq10,irq11,irq12,irq13,irq14,irq15,irq16,irq17,irq18,irq19,irq20,irq21,irq22,irq23,irq24,irq25,irq26,irq27,irq28,irq29,irq30,irq31
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.long
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Reset_Handler:
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ldr r0,=hardware_init
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bx r0
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.thumb_func
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hard_fault_handler:
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ldr r0,=HARD_FAULT_IRQHandler
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bx r0
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nop
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.thumb_func
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svc_handler:
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ldr r0,=SVC_IRQHandler
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bx r0
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nop
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.thumb_func
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pendsv_handler:
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ldr r0,=PENDSV_IRQHandler
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bx r0
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nop
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.thumb_func
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systick:
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ldr r0,=SYSTICK_IRQHandler
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bx r0
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nop
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.thumb_func
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irq0:
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mov r0,#4*0
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b isr
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.thumb_func
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irq1:
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mov r0,#4*1
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b isr
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.thumb_func
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irq2:
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mov r0,#4*2
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b isr
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.thumb_func
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irq3:
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mov r0,#4*3
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b isr
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.thumb_func
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irq4:
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mov r0,#4*4
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b isr
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.thumb_func
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irq5:
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mov r0,#4*5
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b isr
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.thumb_func
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irq6:
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mov r0,#4*6
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b isr
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.thumb_func
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irq7:
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mov r0,#4*7
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b isr
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.thumb_func
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irq8:
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mov r0,#4*8
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b isr
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.thumb_func
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irq9:
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mov r0,#4*9
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b isr
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.thumb_func
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irq10:
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mov r0,#4*10
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b isr
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.thumb_func
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irq11:
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mov r0,#4*11
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b isr
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.thumb_func
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irq12:
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mov r0,#4*12
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b isr
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.thumb_func
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irq13:
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mov r0,#4*13
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b isr
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.thumb_func
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irq14:
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mov r0,#4*14
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b isr
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.thumb_func
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irq15:
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mov r0,#4*15
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b isr
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.thumb_func
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irq16:
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mov r0,#4*16
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b isr
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.thumb_func
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irq17:
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mov r0,#4*17
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b isr
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.thumb_func
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irq18:
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mov r0,#4*18
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b isr
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.thumb_func
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irq19:
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mov r0,#4*19
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b isr
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.thumb_func
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irq20:
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mov r0,#4*20
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b isr
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.thumb_func
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irq21:
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mov r0,#4*21
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b isr
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.thumb_func
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irq22: mov r0,#4*22
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b isr
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.thumb_func
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irq23:
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mov r0,#4*23
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b isr
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.thumb_func
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irq24:
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mov r0,#4*24
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b isr
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.thumb_func
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irq25: mov r0,#4*25
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b isr
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.thumb_func
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irq26:
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mov r0,#4*26
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b isr
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.thumb_func
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irq27:
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mov r0,#4*27
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b isr
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.thumb_func
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irq28:
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mov r0,#4*28
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b isr
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.thumb_func
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irq29:
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mov r0,#4*29
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b isr
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.thumb_func
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irq30:
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mov r0,#4*30
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b isr
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.thumb_func
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irq31:
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mov r0,#4*31
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b isr
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.thumb_func
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isr:
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ldr r1,=isr_table
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ldr r0,[r0, r1]
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bx r0
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.align 4
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isr_table:
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.long USB_IRQHandler
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.long IIC_IRQHandler
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.long QSPI_IRQHandler
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.long SPI0_IRQHandler
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.long SPI1_IRQHandler
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.long UART0_IRQHandler
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.long UART1_IRQHandler
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.long MEMCP_IRQHandler
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.long RSA_IRQHandler
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.long SCI0_IRQHandler
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.long SCI1_IRQHandler
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.long BT_IRQHandler
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.long GPIO_IRQHandler
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.long TIMER0_IRQHandler
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.long TIMER1_IRQHandler
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.long TIMER2_IRQHandler
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.long TIMER3_IRQHandler
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.long TIMER4_IRQHandler
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.long TIMER5_IRQHandler
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.long TIMER6_IRQHandler
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.long TIMER7_IRQHandler
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.long TIMER8_IRQHandler
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.long SM4_IRQHandler
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.long SEC_IRQHandler
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.long MSR_IRQHandler
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.long TRNG_IRQHandler
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.long WDT_IRQHandler
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.thumb
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.thumb_func
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hardware_init:
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ldr r1, =__exidx_start
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ldr r2, =__data_start__
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ldr r3, =__data_end__
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sub r3, r2
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ble .L_loop1_done
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.L_loop1:
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sub r3, #4
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ldr r0, [r1,r3]
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str r0, [r2,r3]
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bgt .L_loop1
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.L_loop1_done:
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/* Single BSS section scheme.
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*
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* The BSS section is specified by following symbols
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* _sbss: start of the BSS section.
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* _ebss: end of the BSS section.
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*
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* Both addresses must be aligned to 4 bytes boundary.
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*/
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ldr r1, =__bss_start__
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ldr r2, =__bss_end__
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mov r0, #0
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sub r2, r1
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ble .L_loop3_done
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.L_loop3:
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sub r2, #4
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str r0, [r1, r2]
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bgt .L_loop3
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.L_loop3_done:
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ldr r0,=0x12345
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ldr r3,=0x1111
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bl main
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.globl delay
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.syntax unified
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delay:
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subs r0,#1
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bne delay
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nop
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bx lr
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.align 1
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.thumb_func
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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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b .
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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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.set \handler_name, Default_Handler
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.endm
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def_irq_handler HARD_FAULT_IRQHandler
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def_irq_handler SVC_IRQHandler
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def_irq_handler PENDSV_IRQHandler
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def_irq_handler SYSTICK_IRQHandler
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def_irq_handler USB_IRQHandler
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def_irq_handler IIC_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 UART0_IRQHandler
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def_irq_handler UART1_IRQHandler
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def_irq_handler MEMCP_IRQHandler
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def_irq_handler RSA_IRQHandler
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def_irq_handler SCI0_IRQHandler
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def_irq_handler SCI1_IRQHandler
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def_irq_handler BT_IRQHandler
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def_irq_handler GPIO_IRQHandler
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def_irq_handler EXTI0_IRQHandler
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def_irq_handler EXTI1_IRQHandler
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def_irq_handler EXTI2_IRQHandler
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def_irq_handler TIMER0_IRQHandler
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def_irq_handler TIMER1_IRQHandler
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def_irq_handler TIMER2_IRQHandler
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def_irq_handler TIMER3_IRQHandler
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def_irq_handler TIMER4_IRQHandler
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def_irq_handler TIMER5_IRQHandler
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def_irq_handler TIMER6_IRQHandler
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def_irq_handler TIMER7_IRQHandler
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def_irq_handler TIMER8_IRQHandler
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def_irq_handler SM4_IRQHandler
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def_irq_handler SEC_IRQHandler
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def_irq_handler MSR_IRQHandler
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def_irq_handler TRNG_IRQHandler
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def_irq_handler WDT_IRQHandler
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