Steve Kim
mbed library sources(for async_print)
Fork of
mbed-src
by 
mbed official
Revision 43:c8a187835cf1, committed 2013-11-04
- Comitter:
- mbed_official
- Date:
- Mon Nov 04 10:30:05 2013 +0000
- Parent:
- 42:7ca0bbba899b
- Child:
- 44:2ce89a25b635
- Commit message:
- Synchronized with git revision bb04bf917a5d1b0e03723aaae53bb7928bf28436
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_NXP/TARGET_LPC408X/TOOLCHAIN_GCC_ARM/LPC4088.ld Mon Nov 04 10:30:05 2013 +0000
@@ -0,0 +1,172 @@
+/* Linker script for mbed LPC1768 */
+
+/* Linker script to configure memory regions. */
+MEMORY
+{
+ FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 512K
+ RAM (rwx) : ORIGIN = 0x100000E8, LENGTH = (32K - 0xE8)
+
+ USB_RAM(rwx) : ORIGIN = 0x20000000, LENGTH = 16K
+ ETH_RAM(rwx) : ORIGIN = 0x20004000, LENGTH = 16K
+}
+
+/* Linker script to place sections and symbol values. Should be used together
+ * with other linker script that defines memory regions FLASH and RAM.
+ * It references following symbols, which must be defined in code:
+ * Reset_Handler : Entry of reset handler
+ *
+ * It defines following symbols, which code can use without definition:
+ * __exidx_start
+ * __exidx_end
+ * __etext
+ * __data_start__
+ * __preinit_array_start
+ * __preinit_array_end
+ * __init_array_start
+ * __init_array_end
+ * __fini_array_start
+ * __fini_array_end
+ * __data_end__
+ * __bss_start__
+ * __bss_end__
+ * __end__
+ * end
+ * __HeapLimit
+ * __StackLimit
+ * __StackTop
+ * __stack
+ */
+ENTRY(Reset_Handler)
+
+SECTIONS
+{
+ .text :
+ {
+ KEEP(*(.isr_vector))
+ *(.text*)
+
+ KEEP(*(.init))
+ KEEP(*(.fini))
+
+ /* .ctors */
+ *crtbegin.o(.ctors)
+ *crtbegin?.o(.ctors)
+ *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
+ *(SORT(.ctors.*))
+ *(.ctors)
+
+ /* .dtors */
+ *crtbegin.o(.dtors)
+ *crtbegin?.o(.dtors)
+ *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
+ *(SORT(.dtors.*))
+ *(.dtors)
+
+ *(.rodata*)
+
+ KEEP(*(.eh_frame*))
+ } > FLASH
+
+ .ARM.extab :
+ {
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ } > FLASH
+
+ __exidx_start = .;
+ .ARM.exidx :
+ {
+ *(.ARM.exidx* .gnu.linkonce.armexidx.*)
+ } > FLASH
+ __exidx_end = .;
+
+ __etext = .;
+
+ .data : AT (__etext)
+ {
+ __data_start__ = .;
+ Image$$RW_IRAM1$$Base = .;
+ *(vtable)
+ *(.data*)
+
+ . = ALIGN(4);
+ /* preinit data */
+ PROVIDE (__preinit_array_start = .);
+ KEEP(*(.preinit_array))
+ PROVIDE (__preinit_array_end = .);
+
+ . = ALIGN(4);
+ /* init data */
+ PROVIDE (__init_array_start = .);
+ KEEP(*(SORT(.init_array.*)))
+ KEEP(*(.init_array))
+ PROVIDE (__init_array_end = .);
+
+
+ . = ALIGN(4);
+ /* finit data */
+ PROVIDE (__fini_array_start = .);
+ KEEP(*(SORT(.fini_array.*)))
+ KEEP(*(.fini_array))
+ PROVIDE (__fini_array_end = .);
+
+ . = ALIGN(4);
+ /* All data end */
+ __data_end__ = .;
+
+ } > RAM
+
+
+ .bss :
+ {
+ __bss_start__ = .;
+ *(.bss*)
+ *(COMMON)
+ __bss_end__ = .;
+ Image$$RW_IRAM1$$ZI$$Limit = . ;
+ } > RAM
+
+
+ .heap :
+ {
+ __end__ = .;
+ end = __end__;
+ *(.heap*)
+ __HeapLimit = .;
+ } > RAM
+
+ /* .stack_dummy section doesn't contains any symbols. It is only
+ * used for linker to calculate size of stack sections, and assign
+ * values to stack symbols later */
+ .stack_dummy :
+ {
+ *(.stack)
+ } > RAM
+
+ /* Set stack top to end of RAM, and stack limit move down by
+ * size of stack_dummy section */
+ __StackTop = ORIGIN(RAM) + LENGTH(RAM);
+ __StackLimit = __StackTop - SIZEOF(.stack_dummy);
+ PROVIDE(__stack = __StackTop);
+
+ /* Check if data + heap + stack exceeds RAM limit */
+ ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
+
+
+ /* Code can explicitly ask for data to be
+ placed in these higher RAM banks where
+ they will be left uninitialized.
+ */
+ .AHBSRAM0 (NOLOAD):
+ {
+ Image$$RW_IRAM2$$Base = . ;
+ *(AHBSRAM0)
+ Image$$RW_IRAM2$$ZI$$Limit = .;
+ } > USB_RAM
+
+ .AHBSRAM1 (NOLOAD):
+ {
+ Image$$RW_IRAM3$$Base = . ;
+ *(AHBSRAM1)
+ Image$$RW_IRAM3$$ZI$$Limit = .;
+ } > ETH_RAM
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_NXP/TARGET_LPC408X/TOOLCHAIN_GCC_ARM/startup_LPC408x.s Mon Nov 04 10:30:05 2013 +0000 @@ -0,0 +1,231 @@ +/* File: startup_ARMCM3.s + * Purpose: startup file for Cortex-M3/M4 devices. Should use with + * GNU Tools for ARM Embedded Processors + * Version: V1.1 + * Date: 17 June 2011 + * + * Copyright (C) 2011 ARM Limited. All rights reserved. + * ARM Limited (ARM) is supplying this software for use with Cortex-M3/M4 + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + */ + .syntax unified + .arch armv7-m + +/* Memory Model + The HEAP starts at the end of the DATA section and grows upward. + + The STACK starts at the end of the RAM and grows downward. + + The HEAP and stack STACK are only checked at compile time: + (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE + + This is just a check for the bare minimum for the Heap+Stack area before + aborting compilation, it is not the run time limit: + Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100 + */ + .section .stack + .align 3 +#ifdef __STACK_SIZE + .equ Stack_Size, __STACK_SIZE +#else + .equ Stack_Size, 0xc00 +#endif + .globl __StackTop + .globl __StackLimit +__StackLimit: + .space Stack_Size + .size __StackLimit, . - __StackLimit +__StackTop: + .size __StackTop, . - __StackTop + + .section .heap + .align 3 +#ifdef __HEAP_SIZE + .equ Heap_Size, __HEAP_SIZE +#else + .equ Heap_Size, 0x800 +#endif + .globl __HeapBase + .globl __HeapLimit +__HeapBase: + .space Heap_Size + .size __HeapBase, . - __HeapBase +__HeapLimit: + .size __HeapLimit, . - __HeapLimit + + .section .isr_vector + .align 2 + .globl __isr_vector +__isr_vector: + .long __StackTop /* Top of Stack */ + .long Reset_Handler /* Reset Handler */ + .long NMI_Handler /* NMI Handler */ + .long HardFault_Handler /* Hard Fault Handler */ + .long MemManage_Handler /* MPU Fault Handler */ + .long BusFault_Handler /* Bus Fault Handler */ + .long UsageFault_Handler /* Usage Fault Handler */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long SVC_Handler /* SVCall Handler */ + .long DebugMon_Handler /* Debug Monitor Handler */ + .long 0 /* Reserved */ + .long PendSV_Handler /* PendSV Handler */ + .long SysTick_Handler /* SysTick Handler */ + + /* External interrupts */ + .long WDT_IRQHandler /* 16: Watchdog Timer */ + .long TIMER0_IRQHandler /* 17: Timer0 */ + .long TIMER1_IRQHandler /* 18: Timer1 */ + .long TIMER2_IRQHandler /* 19: Timer2 */ + .long TIMER3_IRQHandler /* 20: Timer3 */ + .long UART0_IRQHandler /* 21: UART0 */ + .long UART1_IRQHandler /* 22: UART1 */ + .long UART2_IRQHandler /* 23: UART2 */ + .long UART3_IRQHandler /* 24: UART3 */ + .long PWM1_IRQHandler /* 25: PWM1 */ + .long I2C0_IRQHandler /* 26: I2C0 */ + .long I2C1_IRQHandler /* 27: I2C1 */ + .long I2C2_IRQHandler /* 28: I2C2 */ + .long 0 /* 29: Reserved */ + .long SSP0_IRQHandler /* 30: SSP0 */ + .long SSP1_IRQHandler /* 31: SSP1 */ + .long PLL0_IRQHandler /* 32: PLL0 Lock (Main PLL) */ + .long RTC_IRQHandler /* 33: Real Time Clock */ + .long EINT0_IRQHandler /* 34: External Interrupt 0 */ + .long EINT1_IRQHandler /* 35: External Interrupt 1 */ + .long EINT2_IRQHandler /* 36: External Interrupt 2 */ + .long EINT3_IRQHandler /* 37: External Interrupt 3 */ + .long ADC_IRQHandler /* 38: A/D Converter */ + .long BOD_IRQHandler /* 39: Brown-Out Detect */ + .long USB_IRQHandler /* 40: USB */ + .long CAN_IRQHandler /* 41: CAN */ + .long DMA_IRQHandler /* 42: General Purpose DMA */ + .long I2S_IRQHandler /* 43: I2S */ + .long ENET_IRQHandler /* 44: Ethernet */ + .long MCI_IRQHandler /* 45: SD/MMC carf I/F */ + .long MCPWM_IRQHandler /* 46: Motor Control PWM */ + .long QEI_IRQHandler /* 47: Quadrature Encoder Interface */ + .long PLL1_IRQHandler /* 48: PLL1 Lock (USB PLL) */ + .long USBActivity_IRQHandler /* 49: USB Activity */ + .long CANActivity_IRQHandler /* 50: CAN Activity */ + .long UART4_IRQHandler /* 51: UART4 */ + .long SSP2_IRQHandler /* 52: SSP2 */ + .long LCD_IRQHandler /* 53: LCD */ + .long GPIO_IRQHandler /* 54: GPIO */ + .long PWM0_IRQHandler /* 55: PWM0 */ + .long EEPROM_IRQHandler /* 56: EEPROM */ + + .size __isr_vector, . - __isr_vector + + .text + .thumb + .thumb_func + .align 2 + .globl Reset_Handler + .type Reset_Handler, %function +Reset_Handler: +/* Loop to copy data from read only memory to RAM. The ranges + * of copy from/to are specified by following symbols evaluated in + * linker script. + * _etext: End of code section, i.e., begin of data sections to copy from. + * __data_start__/__data_end__: RAM address range that data should be + * copied to. Both must be aligned to 4 bytes boundary. */ + + ldr r1, =__etext + ldr r2, =__data_start__ + ldr r3, =__data_end__ + +.flash_to_ram_loop: + cmp r2, r3 + ittt lt + ldrlt r0, [r1], #4 + strlt r0, [r2], #4 + blt .flash_to_ram_loop + + ldr r0, =SystemInit + blx r0 + ldr r0, =_start + bx r0 + .pool + .size Reset_Handler, . - Reset_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_default_handler handler_name + .align 1 + .thumb_func + .weak \handler_name + .type \handler_name, %function +\handler_name : + b . + .size \handler_name, . - \handler_name + .endm + + def_default_handler NMI_Handler + def_default_handler HardFault_Handler + def_default_handler MemManage_Handler + def_default_handler BusFault_Handler + def_default_handler UsageFault_Handler + def_default_handler SVC_Handler + def_default_handler DebugMon_Handler + def_default_handler PendSV_Handler + def_default_handler SysTick_Handler + def_default_handler Default_Handler + + def_default_handler WDT_IRQHandler + def_default_handler TIMER0_IRQHandler + def_default_handler TIMER1_IRQHandler + def_default_handler TIMER2_IRQHandler + def_default_handler TIMER3_IRQHandler + def_default_handler UART0_IRQHandler + def_default_handler UART1_IRQHandler + def_default_handler UART2_IRQHandler + def_default_handler UART3_IRQHandler + def_default_handler PWM1_IRQHandler + def_default_handler I2C0_IRQHandler + def_default_handler I2C1_IRQHandler + def_default_handler I2C2_IRQHandler +/* def_default_handler SPI_IRQHandler */ + def_default_handler SSP0_IRQHandler + def_default_handler SSP1_IRQHandler + def_default_handler PLL0_IRQHandler + def_default_handler RTC_IRQHandler + def_default_handler EINT0_IRQHandler + def_default_handler EINT1_IRQHandler + def_default_handler EINT2_IRQHandler + def_default_handler EINT3_IRQHandler + def_default_handler ADC_IRQHandler + def_default_handler BOD_IRQHandler + def_default_handler USB_IRQHandler + def_default_handler CAN_IRQHandler + def_default_handler DMA_IRQHandler + def_default_handler I2S_IRQHandler + def_default_handler ENET_IRQHandler + def_default_handler MCI_IRQHandler + def_default_handler MCPWM_IRQHandler + def_default_handler QEI_IRQHandler + def_default_handler PLL1_IRQHandler + def_default_handler USBActivity_IRQHandler + def_default_handler CANActivity_IRQHandler + def_default_handler UART4_IRQHandler + def_default_handler SSP2_IRQHandler + def_default_handler LCD_IRQHandler + def_default_handler GPIO_IRQHandler + def_default_handler PWM0_IRQHandler + def_default_handler EEPROM_IRQHandler + + .weak DEF_IRQHandler + .set DEF_IRQHandler, Default_Handler + + .end +