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STM32F207: GCC_ARM remove zero bss, in startup. zero bss is done in libc init after call to _start.

pull/3227/head
Michel Jaouen 2016-10-17 17:16:04 +02:00 committed by Anna Bridge
parent bd3f7282c1
commit c254e07ae7
1 changed files with 1 additions and 16 deletions
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17
targets/TARGET_STM/TARGET_STM32F2/TARGET_NUCLEO_F207ZG/device/TOOLCHAIN_GCC_ARM/startup_stm32f207xx.s
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@ -57,10 +57,6 @@ defined in linker script */
.word _sdata .word _sdata
/* end address for the .data section. defined in linker script */ /* end address for the .data section. defined in linker script */
.word _edata .word _edata
/* start address for the .bss section. defined in linker script */
.word _sbss
/* end address for the .bss section. defined in linker script */
.word _ebss
/* stack used for SystemInit_ExtMemCtl; always internal RAM used */ /* stack used for SystemInit_ExtMemCtl; always internal RAM used */
/** /**
@ -94,17 +90,6 @@ LoopCopyDataInit:
adds r2, r0, r1 adds r2, r0, r1
cmp r2, r3 cmp r2, r3
bcc CopyDataInit bcc CopyDataInit
ldr r2, =_sbss
b LoopFillZerobss
/* Zero fill the bss segment. */
FillZerobss:
movs r3, #0
str r3, [r2], #4
LoopFillZerobss:
ldr r3, = _ebss
cmp r2, r3
bcc FillZerobss
/* Call the clock system initialization function.*/ /* Call the clock system initialization function.*/
bl SystemInit bl SystemInit
@ -520,4 +505,4 @@ g_pfnVectors:
.weak HASH_RNG_IRQHandler .weak HASH_RNG_IRQHandler
.thumb_set HASH_RNG_IRQHandler,Default_Handler .thumb_set HASH_RNG_IRQHandler,Default_Handler
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/