diff --git a/flight/PiOS/STM32F10x/link_stm32f10x_HD_BL.ld b/flight/PiOS/STM32F10x/link_stm32f10x_HD_BL.ld
index 391b08fa3..023502aec 100644
--- a/flight/PiOS/STM32F10x/link_stm32f10x_HD_BL.ld
+++ b/flight/PiOS/STM32F10x/link_stm32f10x_HD_BL.ld
@@ -1,7 +1,7 @@
/**
******************************************************************************
*
- * @file link_stm32f10x_HD.ld
+ * @file link_stm32f10x_HD_BL.ld
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2009.
* @brief PiOS linker for the OpenPilot board
* @see The GNU Public License (GPL) Version 3
@@ -36,34 +36,12 @@ MEMORY
EXTMEMB3 (rx) : ORIGIN = 0x00000000, LENGTH = 0
}
-/* higher address of the user mode stack */
-_estack = 0x20010000;
-
-/* default stack sizes.
-
-These are used by the startup in order to allocate stacks for the different modes.
-
-Note: FreeRTOS gives each task an own stack
-*/
-
-__Stack_Size = 128 ;
-
-PROVIDE ( _Stack_Size = __Stack_Size ) ;
-
-__Stack_Init = _estack - __Stack_Size ;
-
-/*"PROVIDE" allows to easily override these values from an object file or the commmand line.*/
-PROVIDE ( _Stack_Init = __Stack_Init ) ;
-
-/*
-There will be a link error if there is not this amount of RAM free at the end.
-*/
-_Minimum_Stack_Size = 0x100 ;
+/* This is the size of the stack for early init and for all FreeRTOS IRQs */
+_irq_stack_size = 0x400;
/* Check valid alignment for VTOR */
ASSERT(ORIGIN(FLASH) == ALIGN(ORIGIN(FLASH), 0x80), "Start of memory region flash not aligned for startup vector table");
-
/*
this sends all unreferenced IRQHandlers to reset
*/
@@ -258,7 +236,24 @@ SECTIONS
_sidata = _etext;
} >FLASH
-
+
+ /*
+ * This stack is used both as the initial sp during early init as well as ultimately
+ * being used as the STM32's MSP (Main Stack Pointer) which is the same stack that
+ * is used for _all_ interrupt handlers. The end of this stack should be placed
+ * against the lowest address in RAM so that a stack overrun results in a hard fault
+ * at the first access beyond the end of the stack.
+ */
+ .irq_stack :
+ {
+ . = ALIGN(4);
+ _irq_stack_end = . ;
+ . = . + _irq_stack_size ;
+ . = ALIGN(4);
+ _irq_stack_top = . - 4 ;
+ . = ALIGN(4);
+ } >RAM
+
/* This is the initialized data section
The program executes knowing that the data is in the RAM
@@ -296,24 +291,7 @@ SECTIONS
PROVIDE ( end = _ebss );
PROVIDE ( _end = _ebss );
-
- /* This is the user stack section
- This is just to check that there is enough RAM left for the User mode stack
- It should generate an error if it's full.
- */
- ._usrstack :
- {
- . = ALIGN(4);
- _susrstack = . ;
-
- . = . + _Minimum_Stack_Size ;
-
- . = ALIGN(4);
- _eusrstack = . ;
- } >RAM
-
-
/* this is the FLASH Bank1 */
/* the C or assembly source must explicitly place the code or data there
using the "section" attribute */
diff --git a/flight/PiOS/STM32F10x/link_stm32f10x_HD_NB.ld b/flight/PiOS/STM32F10x/link_stm32f10x_HD_NB.ld
index 1d1c42ec6..c96c9e191 100644
--- a/flight/PiOS/STM32F10x/link_stm32f10x_HD_NB.ld
+++ b/flight/PiOS/STM32F10x/link_stm32f10x_HD_NB.ld
@@ -1,7 +1,7 @@
/**
******************************************************************************
*
- * @file link_stm32f10x_HD.ld
+ * @file link_stm32f10x_HD_NB.ld
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2009.
* @brief PiOS linker for the OpenPilot board
* @see The GNU Public License (GPL) Version 3
diff --git a/flight/PiOS/STM32F10x/startup_stm32f10x_HD_BL.S b/flight/PiOS/STM32F10x/startup_stm32f10x_HD_BL.S
deleted file mode 100644
index 34caf921b..000000000
--- a/flight/PiOS/STM32F10x/startup_stm32f10x_HD_BL.S
+++ /dev/null
@@ -1,483 +0,0 @@
-/**
- ******************************************************************************
- * @file startup_stm32f10x_hd.s
- * @author MCD Application Team / David Ankers: Vector table for FreeRTOS
- * @version V3.1.2
- * @date 09/28/2009
- * @brief STM32F10x High Density Devices vector table for RIDE7 toolchain.
- * This module performs:
- * - Set the initial SP
- * - Set the initial PC == Reset_Handler,
- * - Set the vector table entries with the exceptions ISR address,
- * - Configure external SRAM mounted on STM3210E-EVAL board
- * to be used as data memory (optional, to be enabled by user)
- * - Branches to main in the C library (which eventually
- * calls main()).
- * After Reset the Cortex-M3 processor is in Thread mode,
- * priority is Privileged, and the Stack is set to Main.
- ******************************************************************************
- * @copy
- *
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *
- *
© COPYRIGHT 2009 STMicroelectronics
- */
-
- .syntax unified
- .cpu cortex-m3
- .fpu softvfp
- .thumb
-
-.global g_pfnVectors
-.global SystemInit_ExtMemCtl_Dummy
-.global Default_Handler
-
-/* start address for the initialization values of the .data section.
-defined in linker script */
-.word _sidata
-/* start address for the .data section. 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
-/* stack used for SystemInit_ExtMemCtl; always internal RAM used */
-
-.equ Initial_spTop, 0x20000400
-.equ BootRAM, 0xF1E0F85F
-/**
- * @brief This is the code that gets called when the processor first
- * starts execution following a reset event. Only the absolutely
- * necessary set is performed, after which the application
- * supplied main() routine is called.
- * @param None
- * @retval : None
-*/
-
- .section .text.Reset_Handler
- .weak Reset_Handler
- .type Reset_Handler, %function
-Reset_Handler:
-
-/* FSMC Bank1 NOR/SRAM3 is used for the STM3210E-EVAL, if another Bank is
- required, then adjust the Register Addresses */
- bl SystemInit_ExtMemCtl
-/* restore original stack pointer */
- LDR r0, =_estack
- MSR msp, r0
-/* Copy the data segment initializers from flash to SRAM */
- movs r1, #0
- b LoopCopyDataInit
-
-CopyDataInit:
- ldr r3, =_sidata
- ldr r3, [r3, r1]
- str r3, [r0, r1]
- adds r1, r1, #4
-
-LoopCopyDataInit:
- ldr r0, =_sdata
- ldr r3, =_edata
- 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 application's entry point.*/
- bl main
- bx lr
-.size Reset_Handler, .-Reset_Handler
-
-/**
- * @brief Dummy SystemInit_ExtMemCtl function
- * @param None
- * @retval : None
-*/
- .section .text.SystemInit_ExtMemCtl_Dummy,"ax",%progbits
-SystemInit_ExtMemCtl_Dummy:
- bx lr
- .size SystemInit_ExtMemCtl_Dummy, .-SystemInit_ExtMemCtl_Dummy
-
-/**
- * @brief This is the code that gets called when the processor receives an
- * unexpected interrupt. This simply enters an infinite loop, preserving
- * the system state for examination by a debugger.
- *
- * @param None
- * @retval : None
-*/
- .section .text.Default_Handler,"ax",%progbits
-Default_Handler:
-Infinite_Loop:
- b Infinite_Loop
- .size Default_Handler, .-Default_Handler
-/******************************************************************************
-*
-* The minimal vector table for a Cortex M3. Note that the proper constructs
-* must be placed on this to ensure that it ends up at physical address
-* 0x0000.0000.
-*
-******************************************************************************/
- .section .isr_vector,"a",%progbits
- .type g_pfnVectors, %object
- .size g_pfnVectors, .-g_pfnVectors
-
-
-g_pfnVectors:
- .word Initial_spTop
- .word Reset_Handler
- .word NMI_Handler
- .word HardFault_Handler
- .word MemManage_Handler
- .word BusFault_Handler
- .word UsageFault_Handler
- .word 0
- .word 0
- .word 0
- .word 0
- .word vPortSVCHandler
- .word DebugMon_Handler
- .word 0
- .word xPortPendSVHandler
- .word xPortSysTickHandler
- .word WWDG_IRQHandler
- .word PVD_IRQHandler
- .word TAMPER_IRQHandler
- .word RTC_IRQHandler
- .word FLASH_IRQHandler
- .word RCC_IRQHandler
- .word EXTI0_IRQHandler
- .word EXTI1_IRQHandler
- .word EXTI2_IRQHandler
- .word EXTI3_IRQHandler
- .word EXTI4_IRQHandler
- .word DMA1_Channel1_IRQHandler
- .word DMA1_Channel2_IRQHandler
- .word DMA1_Channel3_IRQHandler
- .word DMA1_Channel4_IRQHandler
- .word DMA1_Channel5_IRQHandler
- .word DMA1_Channel6_IRQHandler
- .word DMA1_Channel7_IRQHandler
- .word ADC1_2_IRQHandler
- .word USB_HP_CAN1_TX_IRQHandler
- .word USB_LP_CAN1_RX0_IRQHandler
- .word CAN1_RX1_IRQHandler
- .word CAN1_SCE_IRQHandler
- .word EXTI9_5_IRQHandler
- .word TIM1_BRK_IRQHandler
- .word TIM1_UP_IRQHandler
- .word TIM1_TRG_COM_IRQHandler
- .word TIM1_CC_IRQHandler
- .word TIM2_IRQHandler
- .word TIM3_IRQHandler
- .word TIM4_IRQHandler
- .word I2C1_EV_IRQHandler
- .word I2C1_ER_IRQHandler
- .word I2C2_EV_IRQHandler
- .word I2C2_ER_IRQHandler
- .word SPI1_IRQHandler
- .word SPI2_IRQHandler
- .word USART1_IRQHandler
- .word USART2_IRQHandler
- .word USART3_IRQHandler
- .word EXTI15_10_IRQHandler
- .word RTCAlarm_IRQHandler
- .word USBWakeUp_IRQHandler
- .word TIM8_BRK_IRQHandler
- .word TIM8_UP_IRQHandler
- .word TIM8_TRG_COM_IRQHandler
- .word TIM8_CC_IRQHandler
- .word ADC3_IRQHandler
- .word FSMC_IRQHandler
- .word SDIO_IRQHandler
- .word TIM5_IRQHandler
- .word SPI3_IRQHandler
- .word UART4_IRQHandler
- .word UART5_IRQHandler
- .word TIM6_IRQHandler
- .word TIM7_IRQHandler
- .word DMA2_Channel1_IRQHandler
- .word DMA2_Channel2_IRQHandler
- .word DMA2_Channel3_IRQHandler
- .word DMA2_Channel4_5_IRQHandler
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word 0
- .word BootRAM /* @0x1E0. This is for boot in RAM mode for
- STM32F10x High Density devices. */
-
-/*******************************************************************************
-*
-* Provide weak aliases for each Exception handler to the Default_Handler.
-* As they are weak aliases, any function with the same name will override
-* this definition.
-*
-*******************************************************************************/
-
- .weak NMI_Handler
- .thumb_set NMI_Handler,Default_Handler
-
- .weak HardFault_Handler
- .thumb_set HardFault_Handler,Default_Handler
-
- .weak MemManage_Handler
- .thumb_set MemManage_Handler,Default_Handler
-
- .weak BusFault_Handler
- .thumb_set BusFault_Handler,Default_Handler
-
- .weak UsageFault_Handler
- .thumb_set UsageFault_Handler,Default_Handler
-
- .weak SVC_Handler
- .thumb_set SVC_Handler,Default_Handler
-
- .weak DebugMon_Handler
- .thumb_set DebugMon_Handler,Default_Handler
-
- .weak PendSV_Handler
- .thumb_set PendSV_Handler,Default_Handler
-
- .weak SysTick_Handler
- .thumb_set SysTick_Handler,Default_Handler
-
- .weak WWDG_IRQHandler
- .thumb_set WWDG_IRQHandler,Default_Handler
-
- .weak PVD_IRQHandler
- .thumb_set PVD_IRQHandler,Default_Handler
-
- .weak TAMPER_IRQHandler
- .thumb_set TAMPER_IRQHandler,Default_Handler
-
- .weak RTC_IRQHandler
- .thumb_set RTC_IRQHandler,Default_Handler
-
- .weak FLASH_IRQHandler
- .thumb_set FLASH_IRQHandler,Default_Handler
-
- .weak RCC_IRQHandler
- .thumb_set RCC_IRQHandler,Default_Handler
-
- .weak EXTI0_IRQHandler
- .thumb_set EXTI0_IRQHandler,Default_Handler
-
- .weak EXTI1_IRQHandler
- .thumb_set EXTI1_IRQHandler,Default_Handler
-
- .weak EXTI2_IRQHandler
- .thumb_set EXTI2_IRQHandler,Default_Handler
-
- .weak EXTI3_IRQHandler
- .thumb_set EXTI3_IRQHandler,Default_Handler
-
- .weak EXTI4_IRQHandler
- .thumb_set EXTI4_IRQHandler,Default_Handler
-
- .weak DMA1_Channel1_IRQHandler
- .thumb_set DMA1_Channel1_IRQHandler,Default_Handler
-
- .weak DMA1_Channel2_IRQHandler
- .thumb_set DMA1_Channel2_IRQHandler,Default_Handler
-
- .weak DMA1_Channel3_IRQHandler
- .thumb_set DMA1_Channel3_IRQHandler,Default_Handler
-
- .weak DMA1_Channel4_IRQHandler
- .thumb_set DMA1_Channel4_IRQHandler,Default_Handler
-
- .weak DMA1_Channel5_IRQHandler
- .thumb_set DMA1_Channel5_IRQHandler,Default_Handler
-
- .weak DMA1_Channel6_IRQHandler
- .thumb_set DMA1_Channel6_IRQHandler,Default_Handler
-
- .weak DMA1_Channel7_IRQHandler
- .thumb_set DMA1_Channel7_IRQHandler,Default_Handler
-
- .weak ADC1_2_IRQHandler
- .thumb_set ADC1_2_IRQHandler,Default_Handler
-
- .weak USB_HP_CAN1_TX_IRQHandler
- .thumb_set USB_HP_CAN1_TX_IRQHandler,Default_Handler
-
- .weak USB_LP_CAN1_RX0_IRQHandler
- .thumb_set USB_LP_CAN1_RX0_IRQHandler,Default_Handler
-
- .weak CAN1_RX1_IRQHandler
- .thumb_set CAN1_RX1_IRQHandler,Default_Handler
-
- .weak CAN1_SCE_IRQHandler
- .thumb_set CAN1_SCE_IRQHandler,Default_Handler
-
- .weak EXTI9_5_IRQHandler
- .thumb_set EXTI9_5_IRQHandler,Default_Handler
-
- .weak TIM1_BRK_IRQHandler
- .thumb_set TIM1_BRK_IRQHandler,Default_Handler
-
- .weak TIM1_UP_IRQHandler
- .thumb_set TIM1_UP_IRQHandler,Default_Handler
-
- .weak TIM1_TRG_COM_IRQHandler
- .thumb_set TIM1_TRG_COM_IRQHandler,Default_Handler
-
- .weak TIM1_CC_IRQHandler
- .thumb_set TIM1_CC_IRQHandler,Default_Handler
-
- .weak TIM2_IRQHandler
- .thumb_set TIM2_IRQHandler,Default_Handler
-
- .weak TIM3_IRQHandler
- .thumb_set TIM3_IRQHandler,Default_Handler
-
- .weak TIM4_IRQHandler
- .thumb_set TIM4_IRQHandler,Default_Handler
-
- .weak I2C1_EV_IRQHandler
- .thumb_set I2C1_EV_IRQHandler,Default_Handler
-
- .weak I2C1_ER_IRQHandler
- .thumb_set I2C1_ER_IRQHandler,Default_Handler
-
- .weak I2C2_EV_IRQHandler
- .thumb_set I2C2_EV_IRQHandler,Default_Handler
-
- .weak I2C2_ER_IRQHandler
- .thumb_set I2C2_ER_IRQHandler,Default_Handler
-
- .weak SPI1_IRQHandler
- .thumb_set SPI1_IRQHandler,Default_Handler
-
- .weak SPI2_IRQHandler
- .thumb_set SPI2_IRQHandler,Default_Handler
-
- .weak USART1_IRQHandler
- .thumb_set USART1_IRQHandler,Default_Handler
-
- .weak USART2_IRQHandler
- .thumb_set USART2_IRQHandler,Default_Handler
-
- .weak USART3_IRQHandler
- .thumb_set USART3_IRQHandler,Default_Handler
-
- .weak EXTI15_10_IRQHandler
- .thumb_set EXTI15_10_IRQHandler,Default_Handler
-
- .weak RTCAlarm_IRQHandler
- .thumb_set RTCAlarm_IRQHandler,Default_Handler
-
- .weak USBWakeUp_IRQHandler
- .thumb_set USBWakeUp_IRQHandler,Default_Handler
-
- .weak TIM8_BRK_IRQHandler
- .thumb_set TIM8_BRK_IRQHandler,Default_Handler
-
- .weak TIM8_UP_IRQHandler
- .thumb_set TIM8_UP_IRQHandler,Default_Handler
-
- .weak TIM8_TRG_COM_IRQHandler
- .thumb_set TIM8_TRG_COM_IRQHandler,Default_Handler
-
- .weak TIM8_CC_IRQHandler
- .thumb_set TIM8_CC_IRQHandler,Default_Handler
-
- .weak ADC3_IRQHandler
- .thumb_set ADC3_IRQHandler,Default_Handler
-
- .weak FSMC_IRQHandler
- .thumb_set FSMC_IRQHandler,Default_Handler
-
- .weak SDIO_IRQHandler
- .thumb_set SDIO_IRQHandler,Default_Handler
-
- .weak TIM5_IRQHandler
- .thumb_set TIM5_IRQHandler,Default_Handler
-
- .weak SPI3_IRQHandler
- .thumb_set SPI3_IRQHandler,Default_Handler
-
- .weak UART4_IRQHandler
- .thumb_set UART4_IRQHandler,Default_Handler
-
- .weak UART5_IRQHandler
- .thumb_set UART5_IRQHandler,Default_Handler
-
- .weak TIM6_IRQHandler
- .thumb_set TIM6_IRQHandler,Default_Handler
-
- .weak TIM7_IRQHandler
- .thumb_set TIM7_IRQHandler,Default_Handler
-
- .weak DMA2_Channel1_IRQHandler
- .thumb_set DMA2_Channel1_IRQHandler,Default_Handler
-
- .weak DMA2_Channel2_IRQHandler
- .thumb_set DMA2_Channel2_IRQHandler,Default_Handler
-
- .weak DMA2_Channel3_IRQHandler
- .thumb_set DMA2_Channel3_IRQHandler,Default_Handler
-
- .weak DMA2_Channel4_5_IRQHandler
- .thumb_set DMA2_Channel4_5_IRQHandler,Default_Handler
-
- .weak SystemInit_ExtMemCtl
- .thumb_set SystemInit_ExtMemCtl,SystemInit_ExtMemCtl_Dummy
-
diff --git a/flight/PiOS/STM32F10x/startup_stm32f10x_HD_NB.S b/flight/PiOS/STM32F10x/startup_stm32f10x_HD_OP.S
similarity index 100%
rename from flight/PiOS/STM32F10x/startup_stm32f10x_HD_NB.S
rename to flight/PiOS/STM32F10x/startup_stm32f10x_HD_OP.S