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STM32L4xx : GCC_ARM remove zero bss, in startup. 

zero bss is done in libc init after call to _start.
pull/3074/head
Michel Jaouen 2016-10-17 17:22:26 +02:00
parent ee22d0a054
commit 93a0b9ce60
3 changed files with 0 additions and 47 deletions
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15
targets/TARGET_STM/TARGET_STM32L4/TARGET_DISCO_L476VG/device/TOOLCHAIN_GCC_ARM/startup_stm32l476xx.S
View File

@ -59,10 +59,6 @@ defined in linker script */
.word _sdata
/* end address for the .data section. defined in linker script */
.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
.equ BootRAM, 0xF1E0F85F
/**
@ -96,17 +92,6 @@ LoopCopyDataInit:
adds r2, r0, r1
cmp r2, r3
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 intitialization function.*/
bl SystemInit

16
targets/TARGET_STM/TARGET_STM32L4/TARGET_L476_L486/device/TOOLCHAIN_GCC_ARM/startup_stm32l476xx.S
View File

@ -59,11 +59,6 @@ defined in linker script */
.word _sdata
/* end address for the .data section. defined in linker script */
.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
.equ BootRAM, 0xF1E0F85F
/**
* @brief This is the code that gets called when the processor first
@ -96,17 +91,6 @@ LoopCopyDataInit:
adds r2, r0, r1
cmp r2, r3
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 intitialization function.*/
bl SystemInit

16
targets/TARGET_STM/TARGET_STM32L4/TARGET_NUCLEO_L432KC/device/TOOLCHAIN_GCC_ARM/startup_stm32l432xx.S
View File

@ -59,11 +59,6 @@ defined in linker script */
.word _sdata
/* end address for the .data section. defined in linker script */
.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
.equ BootRAM, 0xF1E0F85F
/**
* @brief This is the code that gets called when the processor first
@ -96,17 +91,6 @@ LoopCopyDataInit:
adds r2, r0, r1
cmp r2, r3
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 intitialization function.*/
bl SystemInit