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Merge branch 'master' into dev_rel108b
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‎libraries/mbed/targets/cmsis/TARGET_Atmel/TARGET_SAM_CortexM0+/TARGET_SAMD21/TARGET_SAMD21G18A/TOOLCHAIN_GCC_ARM/samd21g18a.ld‎

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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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SEARCH_DIR(.)
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/* Memory Spaces Definitions */
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MEMORY
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{
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rom (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000
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ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000
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}
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/* The stack size used by the application. NOTE: you need to adjust according to your application. */
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STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : DEFINED(__stack_size__) ? __stack_size__ : 0x2000;
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/* Section Definitions */
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SECTIONS
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{
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.text :
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{
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. = ALIGN(4);
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_sfixed = .;
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KEEP(*(.vectors .vectors.*))
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*(.text .text.* .gnu.linkonce.t.*)
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*(.glue_7t) *(.glue_7)
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*(.rodata .rodata* .gnu.linkonce.r.*)
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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/* Support C constructors, and C destructors in both user code
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and the C library. This also provides support for C++ code. */
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. = ALIGN(4);
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KEEP(*(.init))
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. = ALIGN(4);
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__preinit_array_start = .;
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KEEP (*(.preinit_array))
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__preinit_array_end = .;
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. = ALIGN(4);
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__init_array_start = .;
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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__init_array_end = .;
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. = ALIGN(4);
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KEEP (*crtbegin.o(.ctors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*crtend.o(.ctors))
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. = ALIGN(4);
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KEEP(*(.fini))
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. = ALIGN(4);
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__fini_array_start = .;
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KEEP (*(.fini_array))
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KEEP (*(SORT(.fini_array.*)))
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__fini_array_end = .;
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*crtend.o(.dtors))
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. = ALIGN(4);
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_efixed = .; /* End of text section */
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} > rom
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/* .ARM.exidx is sorted, so has to go in its own output section. */
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PROVIDE_HIDDEN (__exidx_start = .);
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.ARM.exidx :
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{
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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} > rom
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PROVIDE_HIDDEN (__exidx_end = .);
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. = ALIGN(4);
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_etext = .;
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.dvectors (NOLOAD) :
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{
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_sdvectors = .;
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. = . + 0xB0;
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_edvectors = .;
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} > ram
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.relocate : AT (_etext)
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{
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. = ALIGN(4);
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_srelocate = .;
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*(.ramfunc .ramfunc.*);
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*(.data .data.*);
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. = ALIGN(4);
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_erelocate = .;
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} > ram
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/* .bss section which is used for uninitialized data */
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.bss (NOLOAD) :
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{
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. = ALIGN(4);
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_sbss = . ;
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_szero = .;
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*(.bss .bss.*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = . ;
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_ezero = .;
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} > ram
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.heap (NOLOAD) :
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{
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. = ALIGN(4);
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__end__ = . ;
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. = ORIGIN(ram) + LENGTH(ram) - STACK_SIZE;
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} > ram
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/* stack section */
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.stack (NOLOAD):
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{
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. = ALIGN(8);
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_sstack = .;
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. = . + STACK_SIZE;
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. = ALIGN(8);
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_estack = .;
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} > ram
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. = ALIGN(4);
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}

‎libraries/mbed/targets/cmsis/TARGET_Atmel/TARGET_SAM_CortexM0+/TARGET_SAMD21/TARGET_SAMD21G18A/TOOLCHAIN_GCC_ARM/startup_samd21.c‎

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#include "samd21.h"
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/* Initialize segments */
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extern uint32_t _sfixed;
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extern uint32_t _efixed;
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extern uint32_t _etext;
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extern uint32_t _srelocate;
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extern uint32_t _erelocate;
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extern uint32_t _szero;
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extern uint32_t _ezero;
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extern uint32_t _sstack;
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extern uint32_t _estack;
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/** \cond DOXYGEN_SHOULD_SKIP_THIS */
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int main(void);
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/** \endcond */
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void __libc_init_array(void);
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/* Default empty handler */
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void Dummy_Handler(void);
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/* Cortex-M0+ core handlers */
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void NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SVC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void PendSV_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SysTick_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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/* Peripherals handlers */
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void PM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SYSCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void EIC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void NVMCTRL_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void USB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void EVSYS_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SERCOM0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SERCOM1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SERCOM2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SERCOM3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SERCOM4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void SERCOM5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TCC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TCC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TCC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void ADC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void AC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void DAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void PTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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void I2S_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler")));
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/* Exception Table */
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__attribute__ ((section(".vectors")))
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const DeviceVectors exception_table = {
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/* Configure Initial Stack Pointer, using linker-generated symbols */
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(void*) (&_estack),
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(void*) Reset_Handler,
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(void*) NMI_Handler,
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(void*) HardFault_Handler,
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) SVC_Handler,
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) PendSV_Handler,
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(void*) SysTick_Handler,
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/* Configurable interrupts */
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(void*) PM_Handler, /* 0 Power Manager */
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(void*) SYSCTRL_Handler, /* 1 System Control */
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(void*) WDT_Handler, /* 2 Watchdog Timer */
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(void*) RTC_Handler, /* 3 Real-Time Counter */
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(void*) EIC_Handler, /* 4 External Interrupt Controller */
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(void*) NVMCTRL_Handler, /* 5 Non-Volatile Memory Controller */
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(void*) DMAC_Handler, /* 6 Direct Memory Access Controller */
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(void*) USB_Handler, /* 7 Universal Serial Bus */
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(void*) EVSYS_Handler, /* 8 Event System Interface */
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(void*) SERCOM0_Handler, /* 9 Serial Communication Interface 0 */
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(void*) SERCOM1_Handler, /* 10 Serial Communication Interface 1 */
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(void*) SERCOM2_Handler, /* 11 Serial Communication Interface 2 */
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(void*) SERCOM3_Handler, /* 12 Serial Communication Interface 3 */
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(void*) SERCOM4_Handler, /* 13 Serial Communication Interface 4 */
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(void*) SERCOM5_Handler, /* 14 Serial Communication Interface 5 */
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(void*) TCC0_Handler, /* 15 Timer Counter Control 0 */
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(void*) TCC1_Handler, /* 16 Timer Counter Control 1 */
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(void*) TCC2_Handler, /* 17 Timer Counter Control 2 */
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(void*) TC3_Handler, /* 18 Basic Timer Counter 0 */
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(void*) TC4_Handler, /* 19 Basic Timer Counter 1 */
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(void*) TC5_Handler, /* 20 Basic Timer Counter 2 */
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(void*) TC6_Handler, /* 21 Basic Timer Counter 3 */
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(void*) TC7_Handler, /* 22 Basic Timer Counter 4 */
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(void*) ADC_Handler, /* 23 Analog Digital Converter */
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(void*) AC_Handler, /* 24 Analog Comparators */
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(void*) DAC_Handler, /* 25 Digital Analog Converter */
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(void*) PTC_Handler, /* 26 Peripheral Touch Controller */
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(void*) I2S_Handler /* 27 Inter-IC Sound Interface */
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};
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/**
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* \brief This is the code that gets called on processor reset.
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* To initialize the device, and call the main() routine.
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*/
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void Reset_Handler(void)
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{
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uint32_t *pSrc, *pDest;
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/* Initialize the relocate segment */
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pSrc = &_etext;
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pDest = &_srelocate;
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if (pSrc != pDest) {
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for (; pDest < &_erelocate;) {
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*pDest++ = *pSrc++;
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}
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}
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/* Clear the zero segment */
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for (pDest = &_szero; pDest < &_ezero;) {
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*pDest++ = 0;
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}
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/* Set the vector table base address */
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pSrc = (uint32_t *) & _sfixed;
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SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk);
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/* Initialize the C library */
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__libc_init_array();
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/* Branch to main function */ // expected to be done by MBED OS
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main();
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/* Infinite loop */
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while (1);
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}
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/**
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* \brief Default interrupt handler for unused IRQs.
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*/
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void Dummy_Handler(void)
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{
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while (1) {
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}
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}

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