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STM32F3xxx : GCC_ARM remove zero bss, in startup. 

zero bss is done in libc init after call _start.
pull/3074/head
Michel Jaouen 2016-10-17 17:18:25 +02:00
parent 759837aff4
commit 26f3352f83
7 changed files with 0 additions and 106 deletions
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16
targets/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F303VC/device/TOOLCHAIN_GCC_ARM/startup_stm32f303xc.S
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@ -50,10 +50,6 @@ 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
.equ BootRAM, 0xF1E0F85F .equ BootRAM, 0xF1E0F85F
/** /**
@ -87,18 +83,6 @@ 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 intitialization function.*/ /* Call the clock system intitialization function.*/
bl SystemInit bl SystemInit
/* Call static constructors */ /* Call static constructors */

15
targets/TARGET_STM/TARGET_STM32F3/TARGET_DISCO_F334C8/device/TOOLCHAIN_GCC_ARM/startup_stm32f334x8.S
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@ -50,10 +50,6 @@ 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
.equ BootRAM, 0xF1E0F85F .equ BootRAM, 0xF1E0F85F
/** /**
@ -87,17 +83,6 @@ 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 intitialization function.*/ /* Call the clock system intitialization function.*/
bl SystemInit bl SystemInit

15
targets/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F302R8/device/TOOLCHAIN_GCC_ARM/startup_stm32f302x8.S
View File

@ -50,10 +50,6 @@ 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
.equ BootRAM, 0xF1E0F85F .equ BootRAM, 0xF1E0F85F
/** /**
@ -87,17 +83,6 @@ 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 intitialization function.*/ /* Call the clock system intitialization function.*/
bl SystemInit bl SystemInit

15
targets/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303K8/device/TOOLCHAIN_GCC_ARM/startup_stm32f303x8.S
View File

@ -50,10 +50,6 @@ 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
.equ BootRAM, 0xF1E0F85F .equ BootRAM, 0xF1E0F85F
/** /**
@ -87,17 +83,6 @@ 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 intitialization function.*/ /* Call the clock system intitialization function.*/
bl SystemInit bl SystemInit

15
targets/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303RE/device/TOOLCHAIN_GCC_ARM/startup_stm32f303xe.S
View File

@ -50,10 +50,6 @@ 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
.equ BootRAM, 0xF1E0F85F .equ BootRAM, 0xF1E0F85F
/** /**
@ -87,17 +83,6 @@ 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 intitialization function.*/ /* Call the clock system intitialization function.*/
bl SystemInit bl SystemInit

15
targets/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F303ZE/device/TOOLCHAIN_GCC_ARM/startup_stm32f303xe.S
View File

@ -50,10 +50,6 @@ 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
.equ BootRAM, 0xF1E0F85F .equ BootRAM, 0xF1E0F85F
/** /**
@ -87,17 +83,6 @@ 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 intitialization function.*/ /* Call the clock system intitialization function.*/
bl SystemInit bl SystemInit

15
targets/TARGET_STM/TARGET_STM32F3/TARGET_NUCLEO_F334R8/device/TOOLCHAIN_GCC_ARM/startup_stm32f334x8.S
View File

@ -50,10 +50,6 @@ 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
.equ BootRAM, 0xF1E0F85F .equ BootRAM, 0xF1E0F85F
/** /**
@ -87,17 +83,6 @@ 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 intitialization function.*/ /* Call the clock system intitialization function.*/
bl SystemInit bl SystemInit