Sets stack pointer on startup

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f100xb.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f100xe.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f101x6.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f101xb.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f101xe.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f101xg.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f102x6.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f102xb.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f103x6.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f103xb.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f103xe.s

@@ -62,6 +62,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f103xg.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f105xc.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0

Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/gcc/startup_stm32f107xc.s

@@ -60,6 +60,7 @@ defined in linker script */
   .weak Reset_Handler
   .type Reset_Handler, %function
 Reset_Handler:
+  ldr   sp, =_estack       /* set stack pointer */
 
 /* Copy the data segment initializers from flash to SRAM */
   movs r1, #0