cleanup: more trivial cleanup (logbook.c/h)
Kick out unused code, commented code. Corrected some comments, and
most relevant: make things static where we can.
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
line source
/* File: startup_ARMCM4.S+ −
* Purpose: startup file for Cortex-M4 devices. Should use with+ −
* GCC for ARM Embedded Processors+ −
* Version: V1.3+ −
* Date: 08 Feb 2012+ −
*+ −
* Copyright (c) 2012, ARM Limited+ −
* All rights reserved.+ −
*+ −
* Redistribution and use in source and binary forms, with or without+ −
* modification, are permitted provided that the following conditions are met:+ −
* Redistributions of source code must retain the above copyright+ −
notice, this list of conditions and the following disclaimer.+ −
* Redistributions in binary form must reproduce the above copyright+ −
notice, this list of conditions and the following disclaimer in the+ −
documentation and/or other materials provided with the distribution.+ −
* Neither the name of the ARM Limited nor the+ −
names of its contributors may be used to endorse or promote products+ −
derived from this software without specific prior written permission.+ −
*+ −
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND+ −
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED+ −
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE+ −
* DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY+ −
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES+ −
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;+ −
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND+ −
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+ −
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS+ −
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.+ −
*/+ −
.syntax unified+ −
.arch armv7-m+ −
+ −
.section .stack+ −
.align 3+ −
#ifdef __STACK_SIZE+ −
.equ Stack_Size, __STACK_SIZE+ −
#else+ −
.equ Stack_Size, 0x400+ −
#endif+ −
.globl __StackTop+ −
.globl __StackLimit+ −
__StackLimit:+ −
.space Stack_Size+ −
.size __StackLimit, . - __StackLimit+ −
__StackTop:+ −
.size __StackTop, . - __StackTop+ −
+ −
.section .heap+ −
.align 3+ −
#ifdef __HEAP_SIZE+ −
.equ Heap_Size, __HEAP_SIZE+ −
#else+ −
.equ Heap_Size, 0xC00+ −
#endif+ −
.globl __HeapBase+ −
.globl __HeapLimit+ −
__HeapBase:+ −
.if Heap_Size+ −
.space Heap_Size+ −
.endif+ −
.size __HeapBase, . - __HeapBase+ −
__HeapLimit:+ −
.size __HeapLimit, . - __HeapLimit+ −
+ −
.section .isr_vector+ −
.align 2+ −
.globl __isr_vector+ −
__isr_vector:+ −
.long __StackTop /* Top of Stack */+ −
.long Reset_Handler /* Reset Handler */+ −
.long NMI_Handler /* NMI Handler */+ −
.long HardFault_Handler /* Hard Fault Handler */+ −
.long MemManage_Handler /* MPU Fault Handler */+ −
.long BusFault_Handler /* Bus Fault Handler */+ −
.long UsageFault_Handler /* Usage Fault Handler */+ −
.long 0 /* Reserved */+ −
.long 0 /* Reserved */+ −
.long 0 /* Reserved */+ −
.long 0 /* Reserved */+ −
.long SVC_Handler /* SVCall Handler */+ −
.long DebugMon_Handler /* Debug Monitor Handler */+ −
.long 0 /* Reserved */+ −
.long PendSV_Handler /* PendSV Handler */+ −
.long SysTick_Handler /* SysTick Handler */+ −
+ −
// External Interrupts+ −
.long WWDG_IRQHandler // Window WatchDog+ −
.long PVD_IRQHandler // PVD through EXTI Line detection+ −
.long TAMP_STAMP_IRQHandler // Tamper and TimeStamps through the EXTI line+ −
.long RTC_WKUP_IRQHandler // RTC Wakeup through the EXTI line+ −
.long FLASH_IRQHandler // FLASH+ −
.long RCC_IRQHandler // RCC+ −
.long EXTI0_IRQHandler // EXTI Line0+ −
.long EXTI1_IRQHandler // EXTI Line1+ −
.long EXTI2_IRQHandler // EXTI Line2+ −
.long EXTI3_IRQHandler // EXTI Line3+ −
.long EXTI4_IRQHandler // EXTI Line4+ −
.long DMA1_Stream0_IRQHandler // DMA1 Stream 0+ −
.long DMA1_Stream1_IRQHandler // DMA1 Stream 1+ −
.long DMA1_Stream2_IRQHandler // DMA1 Stream 2+ −
.long DMA1_Stream3_IRQHandler // DMA1 Stream 3+ −
.long DMA1_Stream4_IRQHandler // DMA1 Stream 4+ −
.long DMA1_Stream5_IRQHandler // DMA1 Stream 5+ −
.long DMA1_Stream6_IRQHandler // DMA1 Stream 6+ −
.long ADC_IRQHandler // ADC1, ADC2 and ADC3s+ −
.long CAN1_TX_IRQHandler // CAN1 TX+ −
.long CAN1_RX0_IRQHandler // CAN1 RX0+ −
.long CAN1_RX1_IRQHandler // CAN1 RX1+ −
.long CAN1_SCE_IRQHandler // CAN1 SCE+ −
.long EXTI9_5_IRQHandler // External Line[9:5]s+ −
.long TIM1_BRK_TIM9_IRQHandler // TIM1 Break and TIM9+ −
.long TIM1_UP_TIM10_IRQHandler // TIM1 Update and TIM10+ −
.long TIM1_TRG_COM_TIM11_IRQHandler // TIM1 Trigger and Commutation and TIM11+ −
.long TIM1_CC_IRQHandler // TIM1 Capture Compare+ −
.long TIM2_IRQHandler // TIM2+ −
.long TIM3_IRQHandler // TIM3+ −
.long TIM4_IRQHandler // TIM4+ −
.long I2C1_EV_IRQHandler // I2C1 Event+ −
.long I2C1_ER_IRQHandler // I2C1 Error+ −
.long I2C2_EV_IRQHandler // I2C2 Event+ −
.long I2C2_ER_IRQHandler // I2C2 Error+ −
.long SPI1_IRQHandler // SPI1+ −
.long SPI2_IRQHandler // SPI2+ −
.long USART1_IRQHandler // USART1+ −
.long USART2_IRQHandler // USART2+ −
.long USART3_IRQHandler // USART3+ −
.long EXTI15_10_IRQHandler // External Line[15:10]s+ −
.long RTC_Alarm_IRQHandler // RTC Alarm (A and B) through EXTI Line+ −
.long OTG_FS_WKUP_IRQHandler // USB OTG FS Wakeup through EXTI line+ −
.long TIM8_BRK_TIM12_IRQHandler // TIM8 Break and TIM12+ −
.long TIM8_UP_TIM13_IRQHandler // TIM8 Update and TIM13+ −
.long TIM8_TRG_COM_TIM14_IRQHandler // TIM8 Trigger and Commutation and TIM14+ −
.long TIM8_CC_IRQHandler // TIM8 Capture Compare+ −
.long DMA1_Stream7_IRQHandler // DMA1 Stream7+ −
.long FSMC_IRQHandler // FSMC+ −
.long SDIO_IRQHandler // SDIO+ −
.long TIM5_IRQHandler // TIM5+ −
.long SPI3_IRQHandler // SPI3+ −
.long UART4_IRQHandler // UART4+ −
.long UART5_IRQHandler // UART5+ −
.long TIM6_DAC_IRQHandler // TIM6 and DAC1&2 underrun errors+ −
.long TIM7_IRQHandler // TIM7+ −
.long DMA2_Stream0_IRQHandler // DMA2 Stream 0+ −
.long DMA2_Stream1_IRQHandler // DMA2 Stream 1+ −
.long DMA2_Stream2_IRQHandler // DMA2 Stream 2+ −
.long DMA2_Stream3_IRQHandler // DMA2 Stream 3+ −
.long DMA2_Stream4_IRQHandler // DMA2 Stream 4+ −
.long ETH_IRQHandler // Ethernet+ −
.long ETH_WKUP_IRQHandler // Ethernet Wakeup through EXTI line+ −
.long CAN2_TX_IRQHandler // CAN2 TX+ −
.long CAN2_RX0_IRQHandler // CAN2 RX0+ −
.long CAN2_RX1_IRQHandler // CAN2 RX1+ −
.long CAN2_SCE_IRQHandler // CAN2 SCE+ −
.long OTG_FS_IRQHandler // USB OTG FS+ −
.long DMA2_Stream5_IRQHandler // DMA2 Stream 5+ −
.long DMA2_Stream6_IRQHandler // DMA2 Stream 6+ −
.long DMA2_Stream7_IRQHandler // DMA2 Stream 7+ −
.long USART6_IRQHandler // USART6+ −
.long I2C3_EV_IRQHandler // I2C3 event+ −
.long I2C3_ER_IRQHandler // I2C3 error+ −
.long OTG_HS_EP1_OUT_IRQHandler // USB OTG HS End Point 1 Out+ −
.long OTG_HS_EP1_IN_IRQHandler // USB OTG HS End Point 1 In+ −
.long OTG_HS_WKUP_IRQHandler // USB OTG HS Wakeup through EXTI+ −
.long OTG_HS_IRQHandler // USB OTG HS+ −
.long DCMI_IRQHandler // DCMI+ −
.long CRYP_IRQHandler // CRYP crypto+ −
.long HASH_RNG_IRQHandler // Hash and Rng+ −
.long FPU_IRQHandler // FPU+ −
+ −
.size __isr_vector, . - __isr_vector+ −
+ −
.text+ −
.thumb+ −
.thumb_func+ −
.align 2+ −
.globl Reset_Handler+ −
.type Reset_Handler, %function+ −
Reset_Handler:+ −
/* Loop to copy data from read only memory to RAM. The ranges+ −
* of copy from/to are specified by following symbols evaluated in+ −
* linker script.+ −
* __etext: End of code section, i.e., begin of data sections to copy from.+ −
* __data_start__/__data_end__: RAM address range that data should be+ −
* copied to. Both must be aligned to 4 bytes boundary. */+ −
+ −
ldr r1, =_sidata /*__etext*/+ −
ldr r2, =__data_start__+ −
ldr r3, =__data_end__+ −
+ −
#if 1+ −
/* Here are two copies of loop implemenations. First one favors code size+ −
* and the second one favors performance. Default uses the first one.+ −
* Change to "#if 0" to use the second one */+ −
.flash_to_ram_loop:+ −
cmp r2, r3+ −
ittt lt+ −
ldrlt r0, [r1], #4+ −
strlt r0, [r2], #4+ −
blt .flash_to_ram_loop+ −
#else+ −
subs r3, r2+ −
ble .flash_to_ram_loop_end+ −
.flash_to_ram_loop:+ −
subs r3, #4+ −
ldr r0, [r1, r3]+ −
str r0, [r2, r3]+ −
bgt .flash_to_ram_loop+ −
.flash_to_ram_loop_end:+ −
#endif+ −
+ −
#ifndef __NO_SYSTEM_INIT+ −
ldr r0, =SystemInit+ −
blx r0+ −
#endif+ −
+ −
ldr r0, =_start+ −
bx r0+ −
.pool+ −
.size Reset_Handler, . - Reset_Handler+ −
+ −
/* Our weak _start alternative if we don't use the library _start+ −
* The zero init section must be cleared, otherwise the librtary is+ −
* doing that */+ −
.align 1+ −
.thumb_func+ −
.weak _start+ −
.type _start, %function+ −
_start:+ −
+ −
/* Zero fill the bss segment. */+ −
ldr r1, = __bss_start__+ −
ldr r2, = __bss_end__+ −
movs r3, #0+ −
b .fill_zero_bss+ −
.loop_zero_bss:+ −
str r3, [r1], #4+ −
+ −
.fill_zero_bss:+ −
cmp r1, r2+ −
bcc .loop_zero_bss+ −
+ −
/* Jump to our main */+ −
bl main+ −
b .+ −
.size _start, . - _start+ −
+ −
/* Macro to define default handlers. Default handler+ −
* will be weak symbol and just dead loops. They can be+ −
* overwritten by other handlers */+ −
.macro def_irq_handler handler_name+ −
.align 1+ −
.thumb_func+ −
.weak \handler_name+ −
.type \handler_name, %function+ −
\handler_name :+ −
b .+ −
.size \handler_name, . - \handler_name+ −
.endm+ −
+ −
def_irq_handler NMI_Handler+ −
def_irq_handler HardFault_Handler+ −
def_irq_handler MemManage_Handler+ −
def_irq_handler BusFault_Handler+ −
def_irq_handler UsageFault_Handler+ −
def_irq_handler SVC_Handler+ −
def_irq_handler DebugMon_Handler+ −
def_irq_handler PendSV_Handler+ −
def_irq_handler SysTick_Handler+ −
def_irq_handler Default_Handler+ −
+ −
// External Interrupts+ −
def_irq_handler WWDG_IRQHandler // Window WatchDog+ −
def_irq_handler PVD_IRQHandler // PVD through EXTI Line detection+ −
def_irq_handler TAMP_STAMP_IRQHandler // Tamper and TimeStamps through the EXTI line+ −
def_irq_handler RTC_WKUP_IRQHandler // RTC Wakeup through the EXTI line+ −
def_irq_handler FLASH_IRQHandler // FLASH+ −
def_irq_handler RCC_IRQHandler // RCC+ −
def_irq_handler EXTI0_IRQHandler // EXTI Line0+ −
def_irq_handler EXTI1_IRQHandler // EXTI Line1+ −
def_irq_handler EXTI2_IRQHandler // EXTI Line2+ −
def_irq_handler EXTI3_IRQHandler // EXTI Line3+ −
def_irq_handler EXTI4_IRQHandler // EXTI Line4+ −
def_irq_handler DMA1_Stream0_IRQHandler // DMA1 Stream 0+ −
def_irq_handler DMA1_Stream1_IRQHandler // DMA1 Stream 1+ −
def_irq_handler DMA1_Stream2_IRQHandler // DMA1 Stream 2+ −
def_irq_handler DMA1_Stream3_IRQHandler // DMA1 Stream 3+ −
def_irq_handler DMA1_Stream4_IRQHandler // DMA1 Stream 4+ −
def_irq_handler DMA1_Stream5_IRQHandler // DMA1 Stream 5+ −
def_irq_handler DMA1_Stream6_IRQHandler // DMA1 Stream 6+ −
def_irq_handler ADC_IRQHandler // ADC1, ADC2 and ADC3s+ −
def_irq_handler CAN1_TX_IRQHandler // CAN1 TX+ −
def_irq_handler CAN1_RX0_IRQHandler // CAN1 RX0+ −
def_irq_handler CAN1_RX1_IRQHandler // CAN1 RX1+ −
def_irq_handler CAN1_SCE_IRQHandler // CAN1 SCE+ −
def_irq_handler EXTI9_5_IRQHandler // External Line[9:5]s+ −
def_irq_handler TIM1_BRK_TIM9_IRQHandler // TIM1 Break and TIM9+ −
def_irq_handler TIM1_UP_TIM10_IRQHandler // TIM1 Update and TIM10+ −
def_irq_handler TIM1_TRG_COM_TIM11_IRQHandler // TIM1 Trigger and Commutation and TIM11+ −
def_irq_handler TIM1_CC_IRQHandler // TIM1 Capture Compare+ −
def_irq_handler TIM2_IRQHandler // TIM2+ −
def_irq_handler TIM3_IRQHandler // TIM3+ −
def_irq_handler TIM4_IRQHandler // TIM4+ −
def_irq_handler I2C1_EV_IRQHandler // I2C1 Event+ −
def_irq_handler I2C1_ER_IRQHandler // I2C1 Error+ −
def_irq_handler I2C2_EV_IRQHandler // I2C2 Event+ −
def_irq_handler I2C2_ER_IRQHandler // I2C2 Error+ −
def_irq_handler SPI1_IRQHandler // SPI1+ −
def_irq_handler SPI2_IRQHandler // SPI2+ −
def_irq_handler USART1_IRQHandler // USART1+ −
def_irq_handler USART2_IRQHandler // USART2+ −
def_irq_handler USART3_IRQHandler // USART3+ −
def_irq_handler EXTI15_10_IRQHandler // External Line[15:10]s+ −
def_irq_handler RTC_Alarm_IRQHandler // RTC Alarm (A and B) through EXTI Line+ −
def_irq_handler OTG_FS_WKUP_IRQHandler // USB OTG FS Wakeup through EXTI line+ −
def_irq_handler TIM8_BRK_TIM12_IRQHandler // TIM8 Break and TIM12+ −
def_irq_handler TIM8_UP_TIM13_IRQHandler // TIM8 Update and TIM13+ −
def_irq_handler TIM8_TRG_COM_TIM14_IRQHandler // TIM8 Trigger and Commutation and TIM14+ −
def_irq_handler TIM8_CC_IRQHandler // TIM8 Capture Compare+ −
def_irq_handler DMA1_Stream7_IRQHandler // DMA1 Stream7+ −
def_irq_handler FSMC_IRQHandler // FSMC+ −
def_irq_handler SDIO_IRQHandler // SDIO+ −
def_irq_handler TIM5_IRQHandler // TIM5+ −
def_irq_handler SPI3_IRQHandler // SPI3+ −
def_irq_handler UART4_IRQHandler // UART4+ −
def_irq_handler UART5_IRQHandler // UART5+ −
def_irq_handler TIM6_DAC_IRQHandler // TIM6 and DAC1&2 underrun errors+ −
def_irq_handler TIM7_IRQHandler // TIM7+ −
def_irq_handler DMA2_Stream0_IRQHandler // DMA2 Stream 0+ −
def_irq_handler DMA2_Stream1_IRQHandler // DMA2 Stream 1+ −
def_irq_handler DMA2_Stream2_IRQHandler // DMA2 Stream 2+ −
def_irq_handler DMA2_Stream3_IRQHandler // DMA2 Stream 3+ −
def_irq_handler DMA2_Stream4_IRQHandler // DMA2 Stream 4+ −
def_irq_handler ETH_IRQHandler // Ethernet+ −
def_irq_handler ETH_WKUP_IRQHandler // Ethernet Wakeup through EXTI line+ −
def_irq_handler CAN2_TX_IRQHandler // CAN2 TX+ −
def_irq_handler CAN2_RX0_IRQHandler // CAN2 RX0+ −
def_irq_handler CAN2_RX1_IRQHandler // CAN2 RX1+ −
def_irq_handler CAN2_SCE_IRQHandler // CAN2 SCE+ −
def_irq_handler OTG_FS_IRQHandler // USB OTG FS+ −
def_irq_handler DMA2_Stream5_IRQHandler // DMA2 Stream 5+ −
def_irq_handler DMA2_Stream6_IRQHandler // DMA2 Stream 6+ −
def_irq_handler DMA2_Stream7_IRQHandler // DMA2 Stream 7+ −
def_irq_handler USART6_IRQHandler // USART6+ −
def_irq_handler I2C3_EV_IRQHandler // I2C3 event+ −
def_irq_handler I2C3_ER_IRQHandler // I2C3 error+ −
def_irq_handler OTG_HS_EP1_OUT_IRQHandler // USB OTG HS End Point 1 Out+ −
def_irq_handler OTG_HS_EP1_IN_IRQHandler // USB OTG HS End Point 1 In+ −
def_irq_handler OTG_HS_WKUP_IRQHandler // USB OTG HS Wakeup through EXTI+ −
def_irq_handler OTG_HS_IRQHandler // USB OTG HS+ −
def_irq_handler DCMI_IRQHandler // DCMI+ −
def_irq_handler CRYP_IRQHandler // CRYP crypto+ −
def_irq_handler HASH_RNG_IRQHandler // Hash and Rng+ −
def_irq_handler FPU_IRQHandler // FPU+ −
+ −
.end+ −