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