Stack_Size EQU 0x00000400

定义栈空间大小为0x00000400个字节，即1Kbyte。 AREA STACK, NOINIT, READWRITE, ALIGN=3

AREA指令：伪指令，用于定义代码段或数据段，后跟属性标号。其中比较重要的一个标号为“READONLY”或者“READWRITE”，其中 “READONLY”表示该段为只读属性，具有只读属性的段保存于FLASH区。而 “READWRITE”表示该段为“可读写”属性，可知“可读写”段保存于SRAM区。

由此可以知，堆栈段位于SRAM空间，中断向量表放置与FLASH区，而这也是整片启动代码中最先被放进FLASH区的数据。因此可以得到一条重要的信息？？地址存放的是栈顶地址__initial_sp，？？地址存放的是复位中断向量 Reset_Handler。 K60使用32位总线，因此存储空间为4字节对齐。 Stack_Mem SPACE Stack_Size

开辟一段大小为Stack_size的内存空间作为栈。 __initial_sp

标号__initial_sp,表示栈空间的顶地址。 Heap_Size EQU 0x00000000 定义堆空间大小。

AREA HEAP, NOINIT, READWRITE, ALIGN=3 伪指令AREA。 __heap_base

标号__heap_base，表示堆空间起始地址。 Heap_Mem SPACE Heap_Size

开辟一段大小为Heap_Size的内存空间作为堆。 __heap_limit

标号__heap_limit，表示堆空间的结束地址。 PRESERVE8

告诉编译器以8字节对齐。 THUMB

告诉编译器使用THUMB指令集

AREA RESET, DATA, READONLY

伪指令AREA，定义只读数据区，实际上是在CODE区 EXPORT __Vectors

EXPORT __Vectors_End EXPORT __Vectors_Size

EXPORT，将标号__Vectors，__Vectors_End，__Vectors_Size声明为全局标号，这样外部文件就可以使用这个标号。 __Vectors

标号 __Vectors，表示中断向量的入口地址。 DCD __initial_sp ; Top of Stack DCD Reset_Handler ; Reset Handler DCD NMI_Handler ; NMI Handler

DCD HardFault_Handler ; Hard Fault Handler DCD MemManage_Handler ; MPU Fault Handler DCD BusFault_Handler ; Bus Fault Handler

DCD UsageFault_Handler ; Usage Fault Handler DCD 0 ; Reserved DCD 0 ; Reserved DCD 0 ; Reserved DCD 0 ; Reserved

DCD SVC_Handler ; SVCall Handler

DCD DebugMon_Handler ; Debug Monitor Handler DCD 0 ; Reserved

DCD PendSV_Handler ; PendSV Handler DCD SysTick_Handler ; SysTick Handler 建立内部中断向量表 ; External Interrupts

DCD DMA0_IRQHandler ; DMA Channel 0 Transfer Complete DCD DMA1_IRQHandler ; DMA Channel 1 Transfer Complete DCD DMA2_IRQHandler ; DMA Channel 2 Transfer Complete DCD DMA3_IRQHandler ; DMA Channel 3 Transfer Complete DCD DMA4_IRQHandler ; DMA Channel 4 Transfer Complete DCD DMA5_IRQHandler ; DMA Channel 5 Transfer Complete DCD DMA6_IRQHandler ; DMA Channel 6 Transfer Complete DCD DMA7_IRQHandler ; DMA Channel 7 Transfer Complete DCD DMA8_IRQHandler ; DMA Channel 8 Transfer Complete DCD DMA9_IRQHandler ; DMA Channel 9 Transfer Complete DCD DMA10_IRQHandler ; DMA Channel 10 Transfer Complete DCD DMA11_IRQHandler ; DMA Channel 11 Transfer Complete DCD DMA12_IRQHandler ; DMA Channel 12 Transfer Complete DCD DMA13_IRQHandler ; DMA Channel 13 Transfer Complete DCD DMA14_IRQHandler ; DMA Channel 14 Transfer Complete DCD DMA15_IRQHandler ; DMA Channel 15 Transfer Complete DCD DMA_Error_IRQHandler ; DMA Error Interrupt DCD MCM_IRQHandler ; Normal Interrupt DCD FTFL_IRQHandler ; FTFL Interrupt

DCD Read_Collision_IRQHandler ; Read Collision Interrupt

DCD LVD_LVW_IRQHandler ; Low Voltage Detect, Low Voltage Warning DCD LLW_IRQHandler ; Low Leakage Wakeup DCD Watchdog_IRQHandler ; WDOG Interrupt DCD RNG_IRQHandler ; RNGB Interrupt DCD I2C0_IRQHandler ; I2C0 interrupt DCD I2C1_IRQHandler ; I2C1 interrupt DCD SPI0_IRQHandler ; SPI0 Interrupt DCD SPI1_IRQHandler ; SPI1 Interrupt DCD SPI2_IRQHandler ; SPI2 Interrupt

DCD CAN0_ORed_Message_buffer_IRQHandler ; CAN0 OR'd Message Buffers Interrupt DCD CAN0_Bus_Off_IRQHandler ; CAN0 Bus Off Interrupt DCD CAN0_Error_IRQHandler ; CAN0 Error Interrupt

DCD CAN0_Tx_Warning_IRQHandler ; CAN0 Tx Warning Interrupt DCD CAN0_Rx_Warning_IRQHandler ; CAN0 Rx Warning Interrupt DCD CAN0_Wake_Up_IRQHandler ; CAN0 Wake Up Interrupt DCD Reserved51_IRQHandler ; Reserved interrupt 51 DCD Reserved52_IRQHandler ; Reserved interrupt 52

DCD CAN1_ORed_Message_buffer_IRQHandler ; CAN1 OR'd Message Buffers Interrupt DCD CAN1_Bus_Off_IRQHandler ; CAN1 Bus Off Interrupt DCD CAN1_Error_IRQHandler ; CAN1 Error Interrupt

DCD CAN1_Tx_Warning_IRQHandler ; CAN1 Tx Warning Interrupt DCD CAN1_Rx_Warning_IRQHandler ; CAN1 Rx Warning Interrupt DCD CAN1_Wake_Up_IRQHandler ; CAN1 Wake Up Interrupt DCD Reserved59_IRQHandler ; Reserved interrupt 59 DCD Reserved60_IRQHandler ; Reserved interrupt 60

DCD UART0_RX_TX_IRQHandler ; UART0 Receive/Transmit interrupt DCD UART0_ERR_IRQHandler ; UART0 Error interrupt

DCD UART1_RX_TX_IRQHandler ; UART1 Receive/Transmit interrupt DCD UART1_ERR_IRQHandler ; UART1 Error interrupt

DCD UART2_RX_TX_IRQHandler ; UART2 Receive/Transmit interrupt DCD UART2_ERR_IRQHandler ; UART2 Error interrupt

DCD UART3_RX_TX_IRQHandler ; UART3 Receive/Transmit interrupt DCD UART3_ERR_IRQHandler ; UART3 Error interrupt

DCD UART4_RX_TX_IRQHandler ; UART4 Receive/Transmit interrupt DCD UART4_ERR_IRQHandler ; UART4 Error interrupt

DCD UART5_RX_TX_IRQHandler ; UART5 Receive/Transmit interrupt DCD UART5_ERR_IRQHandler ; UART5 Error interrupt DCD ADC0_IRQHandler ; ADC0 interrupt DCD ADC1_IRQHandler ; ADC1 interrupt DCD CMP0_IRQHandler ; CMP0 interrupt DCD CMP1_IRQHandler ; CMP1 interrupt DCD CMP2_IRQHandler ; CMP2 interrupt

DCD FTM0_IRQHandler ; FTM0 fault, overflow and channels interrupt DCD FTM1_IRQHandler ; FTM1 fault, overflow and channels interrupt DCD FTM2_IRQHandler ; FTM2 fault, overflow and channels interrupt DCD CMT_IRQHandler ; CMT interrupt DCD RTC_IRQHandler ; RTC interrupt

DCD Reserved83_IRQHandler ; Reserved interrupt 83 DCD PIT0_IRQHandler ; PIT timer channel 0 interrupt DCD PIT1_IRQHandler ; PIT timer channel 1 interrupt DCD PIT2_IRQHandler ; PIT timer channel 2 interrupt DCD PIT3_IRQHandler ; PIT timer channel 3 interrupt DCD PDB0_IRQHandler ; PDB0 Interrupt DCD USB0_IRQHandler ; USB0 interrupt

DCD USBDCD_IRQHandler ; USBDCD Interrupt

DCD ENET_1588_Timer_IRQHandler ; Ethernet MAC IEEE 1588 Timer Interrupt

DCD ENET_Transmit_IRQHandler ; Ethernet MAC Transmit Interrupt DCD ENET_Receive_IRQHandler ; Ethernet MAC Receive Interrupt

DCD ENET_Error_IRQHandler ; Ethernet MAC Error and miscelaneous Interrupt DCD I2S0_IRQHandler ; I2S0 Interrupt DCD SDHC_IRQHandler ; SDHC Interrupt DCD DAC0_IRQHandler ; DAC0 interrupt DCD DAC1_IRQHandler ; DAC1 interrupt DCD TSI0_IRQHandler ; TSI0 Interrupt DCD MCG_IRQHandler ; MCG Interrupt

DCD LPTimer_IRQHandler ; LPTimer interrupt

DCD Reserved102_IRQHandler ; Reserved interrupt 102 DCD PORTA_IRQHandler ; Port A interrupt DCD PORTB_IRQHandler ; Port B interrupt DCD PORTC_IRQHandler ; Port C interrupt DCD PORTD_IRQHandler ; Port D interrupt DCD PORTE_IRQHandler ; Port E interrupt

DCD Reserved108_IRQHandler ; Reserved interrupt 108 DCD Reserved109_IRQHandler ; Reserved interrupt 109 DCD Reserved110_IRQHandler ; Reserved interrupt 110 DCD Reserved111_IRQHandler ; Reserved interrupt 111 DCD Reserved112_IRQHandler ; Reserved interrupt 112 DCD Reserved113_IRQHandler ; Reserved interrupt 113 DCD Reserved114_IRQHandler ; Reserved interrupt 114 DCD Reserved115_IRQHandler ; Reserved interrupt 115 DCD Reserved116_IRQHandler ; Reserved interrupt 116 DCD Reserved117_IRQHandler ; Reserved interrupt 117 DCD Reserved118_IRQHandler ; Reserved interrupt 118 DCD Reserved119_IRQHandler ; Reserved interrupt 119 建立外部中断向量表 __Vectors_End

标号__Vectors_End，表示中断向量表的结束地址。 __Vectors_Size EQU __Vectors_End - __Vectors 标号__Vectors_Size，表示中断向量表空间的大小。

BackDoorK0 EQU 0xFF BackDoorK1 EQU 0xFF BackDoorK2 EQU 0xFF BackDoorK3 EQU 0xFF BackDoorK4 EQU 0xFF BackDoorK5 EQU 0xFF BackDoorK6 EQU 0xFF BackDoorK7 EQU 0xFF nFPROT0 EQU 0x00

FPROT0 EQU nFPROT0:EOR:0xFF