238 lines
7.0 KiB
ArmAsm
238 lines
7.0 KiB
ArmAsm
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.syntax unified
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.arch armv7-m
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/* define stack size */
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.section .stack
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.align 3
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.equ Stack_Size, 0x400
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.equ BootRAM, 0xF1E0F85F
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.globl __StackTop
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.globl __StackLimit
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__StackLimit:
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.space Stack_Size
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.size __StackLimit, . - __StackLimit
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__StackTop:
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.size __StackTop, . - __StackTop
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/* define heap size */
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.section .heap
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.align 3
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.equ Heap_Size, 0x200
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.globl __HeapBase
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.globl __HeapLimit
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__HeapBase:
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.space Heap_Size
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.size __HeapBase, . - __HeapBase
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__HeapLimit:
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.size __HeapLimit, . - __HeapLimit
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.section .isr_vector
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.align 2
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.globl __isr_vector
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__isr_vector:
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.word __StackTop
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.word Reset_Handler
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.word NMI_Handler
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.word hal_default_exception_vsr
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.word hal_default_exception_vsr
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.word hal_default_exception_vsr
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.word UsageFault_Handler
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.word 0
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.word 0
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.word 0
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.word 0
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.word SVC_Handler
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.word DebugMon_Handler
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.word 0
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.word PendSV_Handler
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.word SysTick_Handler
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/* external interrupts */
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.word WWDG_IRQHandler
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.word PVD_IRQHandler
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.word TAMPER_IRQHandler
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.word RTC_IRQHandler
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.word FLASH_IRQHandler
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.word RCC_IRQHandler
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.word EXTI0_IRQHandler
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.word EXTI1_IRQHandler
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.word intc_handler
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.word EXTI3_IRQHandler
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.word EXTI4_IRQHandler
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.word DMA1_Channel1_IRQHandler
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.word DMA1_Channel2_IRQHandler
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.word DMA1_Channel3_IRQHandler
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.word DMA1_Channel4_IRQHandler
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.word DMA1_Channel5_IRQHandler
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.word DMA1_Channel6_IRQHandler
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.word DMA1_Channel7_IRQHandler
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.word ADC1_2_IRQHandler
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.word USB_HP_CAN1_TX_IRQHandler
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.word USB_LP_CAN1_RX0_IRQHandler
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.word CAN1_RX1_IRQHandler
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.word CAN1_SCE_IRQHandler
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.word EXTI9_5_IRQHandler
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.word TIM1_BRK_IRQHandler
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.word TIM1_UP_IRQHandler
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.word TIM1_TRG_COM_IRQHandler
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.word TIM1_CC_IRQHandler
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.word TIM2_IRQHandler
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.word TIM3_IRQHandler
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.word TIM4_IRQHandler
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.word I2C1_EV_IRQHandler
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.word I2C1_ER_IRQHandler
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.word I2C2_EV_IRQHandler
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.word I2C2_ER_IRQHandler
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.word SPI1_IRQHandler
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.word SPI2_IRQHandler
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.word USART1_IRQHandler
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.word USART2_IRQHandler
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.word USART3_IRQHandler
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.word EXTI15_10_IRQHandler
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.word RTCAlarm_IRQHandler
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.word USBWakeUp_IRQHandler
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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.word 0
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/* vector size */
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.size __isr_vector, . - __isr_vector
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.text
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.thumb
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.thumb_func
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.align 2
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.globl Reset_Handler
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.type Reset_Handler, %function
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Reset_Handler:
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ldr sp, =__StackTop
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ldr r0, =__stext
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ldr r1, =__etext
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ldr r2, =__data_start__
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ldr r3, =__data_end__
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.flash_to_ram_loop:
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cmp r2, r3
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ittt lt
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ldrlt r0, [r1], #4
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strlt r0, [r2], #4
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blt .flash_to_ram_loop
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/* clear bss */
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ldr r0, =0
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ldr r1, =__bss_start__
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ldr r2, =__bss_end__
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clear_bss_loop:
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cmp r1, r2
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beq clear_bss_loop_end
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str r0, [r1], #4
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b clear_bss_loop
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clear_bss_loop_end:
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/* jump to main */
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ldr r0, =SystemInit
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blx r0
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ldr r0, =main
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bx r0
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exit_loop:
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nop
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b exit_loop
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.global hal_default_exception_vsr
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.thumb
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.thumb_func
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.type hal_default_exception_vsr, %function
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hal_default_exception_vsr:
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mrs r0,psp // Get process stack
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sub r1,r0,#(4*12) // Make space for saved state
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msr psp,r1 // Ensure PSP is up to date
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mov r1,#1 // R1 = exception state type
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mrs r2,ipsr // R2 = vector number
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mrs r3,basepri // R3 = basepri
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stmfd r0!,{r1-r11,lr} // Push type, vector, basepri, r4-11
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mov r4,r0 // R4 = saved state pointer
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bl hal_deliver_exception
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mov r0,r4 // R0 = state saved across call
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ldmfd r0!,{r1-r11,lr} // Pop type, vec, basepri, registers and LR
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msr psp,r0 // Restore PSP
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msr basepri,r3 // Restore basepri
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bx lr // Return
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.pool
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.size Reset_Handler, . - Reset_Handler
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.macro def_default_handler handler_name
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.align 1
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.thumb_func
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.weak \handler_name
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.type \handler_name, %function
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\handler_name :
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b .
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.size \handler_name, . - \handler_name
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.endm
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def_default_handler NMI_Handler
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# def_default_handler HardFault_Handler
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# def_default_handler MemManage_Handler
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# def_default_handler BusFault_Handler
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def_default_handler UsageFault_Handler
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def_default_handler SVC_Handler
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def_default_handler DebugMon_Handler
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def_default_handler PendSV_Handler
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def_default_handler SysTick_Handler
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def_default_handler WWDG_IRQHandler
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def_default_handler PVD_IRQHandler
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def_default_handler TAMPER_IRQHandler
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def_default_handler RTC_IRQHandler
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def_default_handler FLASH_IRQHandler
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def_default_handler RCC_IRQHandler
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def_default_handler EXTI0_IRQHandler
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def_default_handler EXTI1_IRQHandler
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def_default_handler intc_handler
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def_default_handler EXTI3_IRQHandler
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def_default_handler EXTI4_IRQHandler
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def_default_handler DMA1_Channel1_IRQHandler
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def_default_handler DMA1_Channel2_IRQHandler
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def_default_handler DMA1_Channel3_IRQHandler
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def_default_handler DMA1_Channel4_IRQHandler
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def_default_handler DMA1_Channel5_IRQHandler
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def_default_handler DMA1_Channel6_IRQHandler
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def_default_handler DMA1_Channel7_IRQHandler
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def_default_handler ADC1_2_IRQHandler
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def_default_handler USB_HP_CAN1_TX_IRQHandler
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def_default_handler USB_LP_CAN1_RX0_IRQHandler
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def_default_handler CAN1_RX1_IRQHandler
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def_default_handler CAN1_SCE_IRQHandler
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def_default_handler EXTI9_5_IRQHandler
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def_default_handler TIM1_BRK_IRQHandler
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def_default_handler TIM1_UP_IRQHandler
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def_default_handler TIM1_TRG_COM_IRQHandler
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def_default_handler TIM1_CC_IRQHandler
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def_default_handler TIM2_IRQHandler
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def_default_handler TIM3_IRQHandler
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def_default_handler TIM4_IRQHandler
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def_default_handler I2C1_EV_IRQHandler
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def_default_handler I2C1_ER_IRQHandler
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def_default_handler I2C2_EV_IRQHandler
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def_default_handler I2C2_ER_IRQHandler
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def_default_handler SPI1_IRQHandler
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def_default_handler SPI2_IRQHandler
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def_default_handler USART1_IRQHandler
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def_default_handler USART2_IRQHandler
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def_default_handler USART3_IRQHandler
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def_default_handler EXTI15_10_IRQHandler
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def_default_handler RTCAlarm_IRQHandler
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def_default_handler USBWakeUp_IRQHandler
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.end
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