rename freertos example

This commit is contained in:
hathach
2018-11-22 11:23:36 +07:00
parent 42b97d3c25
commit c93765c3bc
32 changed files with 231 additions and 231 deletions
@@ -0,0 +1,167 @@
/*
* FreeRTOS Kernel V10.0.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software. If you wish to use our Amazon
* FreeRTOS name, please do so in a fair use way that does not cause confusion.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
/*-----------------------------------------------------------
* Application specific definitions.
*
* These definitions should be adjusted for your particular hardware and
* application requirements.
*
* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
*
* See http://www.freertos.org/a00110.html.
*----------------------------------------------------------*/
#include "nrf.h"
#define configUSE_PREEMPTION 1
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
#define configCPU_CLOCK_HZ SystemCoreClock
#define configTICK_RATE_HZ ( 1000 )
#define configMAX_PRIORITIES ( 5 )
#define configMINIMAL_STACK_SIZE ( 128 )
#define configTOTAL_HEAP_SIZE ( 16*1024 )
#define configMAX_TASK_NAME_LEN 16
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
#define configUSE_MUTEXES 1
#define configUSE_RECURSIVE_MUTEXES 1
#define configUSE_COUNTING_SEMAPHORES 1
#define configQUEUE_REGISTRY_SIZE 2
#define configUSE_QUEUE_SETS 0
#define configUSE_TIME_SLICING 0
#define configUSE_NEWLIB_REENTRANT 0
#define configENABLE_BACKWARD_COMPATIBILITY 1
#define configSUPPORT_STATIC_ALLOCATION 1
#define configSUPPORT_DYNAMIC_ALLOCATION 1
/* Hook function related definitions. */
#define configUSE_IDLE_HOOK 0
#define configUSE_TICK_HOOK 0
#define configUSE_MALLOC_FAILED_HOOK 1
#define configCHECK_FOR_STACK_OVERFLOW 2
/* Run time and task stats gathering related definitions. */
#define configGENERATE_RUN_TIME_STATS 0
#define configUSE_TRACE_FACILITY 1 // legacy trace
#define configUSE_STATS_FORMATTING_FUNCTIONS 0
/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES 2
/* Software timer related definitions. */
#define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY 2
#define configTIMER_QUEUE_LENGTH 32
#define configTIMER_TASK_STACK_DEPTH configMINIMAL_STACK_SIZE
/* Optional functions - most linkers will remove unused functions anyway. */
#define INCLUDE_vTaskPrioritySet 0
#define INCLUDE_uxTaskPriorityGet 0
#define INCLUDE_vTaskDelete 0
#define INCLUDE_vTaskSuspend 1 // required for queue, semaphore, mutex to be blocked indefinitely with portMAX_DELAY
#define INCLUDE_xResumeFromISR 0
#define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1
#define INCLUDE_xTaskGetSchedulerState 0
#define INCLUDE_xTaskGetCurrentTaskHandle 0
#define INCLUDE_uxTaskGetStackHighWaterMark 0
#define INCLUDE_xTaskGetIdleTaskHandle 0
#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
#define INCLUDE_pcTaskGetTaskName 0
#define INCLUDE_eTaskGetState 0
#define INCLUDE_xEventGroupSetBitFromISR 0
#define INCLUDE_xTimerPendFunctionCall 0
/* Define to trap errors during development. */
// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
#define configASSERT(_exp) \
do {\
if ( !(_exp) ) { \
volatile uint32_t* ARM_CM_DHCSR = ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
if ( (*ARM_CM_DHCSR) & 1UL ) { /* Only halt mcu if debugger is attached */ \
taskDISABLE_INTERRUPTS(); \
__asm("BKPT #0\n"); \
}\
}\
} while(0)
#else
#define configASSERT( x )
#endif
/* FreeRTOS hooks to NVIC vectors */
#define xPortPendSVHandler PendSV_Handler
#define xPortSysTickHandler SysTick_Handler
#define vPortSVCHandler SVC_Handler
//--------------------------------------------------------------------+
// Interrupt nesting behavior configuration.
//--------------------------------------------------------------------+
/* Cortex-M specific definitions. __NVIC_PRIO_BITS is defined in core_cmx.h */
#ifdef __NVIC_PRIO_BITS
#define configPRIO_BITS __NVIC_PRIO_BITS
#else
#error "This port requires __NVIC_PRIO_BITS to be defined"
#endif
/* The lowest interrupt priority that can be used in a call to a "set priority"
function. */
#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY ((1<<configPRIO_BITS) - 1)
/* The highest interrupt priority that can be used by any interrupt service
routine that makes calls to interrupt safe FreeRTOS API functions. DO NOT CALL
INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
PRIORITY THAN THIS! (higher priorities are lower numeric values. */
/* SD priority
* 0: SD timing critical
* 1: SD memory protection
* 2: App Highest
* 3: App High
* 4: SD non-time-critical
* 5+ Remaining Application
*/
#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 2
/* Interrupt priorities used by the kernel port layer itself. These are generic
to all Cortex-M ports, and do not rely on any particular library functions. */
#define configKERNEL_INTERRUPT_PRIORITY ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
#define configMAX_SYSCALL_INTERRUPT_PRIORITY ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
#endif /* __FREERTOS_CONFIG__H */
@@ -0,0 +1,37 @@
<!DOCTYPE Linker_Placement_File>
<Root name="Flash Section Placement">
<MemorySegment name="$(FLASH_NAME:FLASH)">
<ProgramSection alignment="0x100" load="Yes" name=".vectors" start="$(FLASH_START:)" />
<ProgramSection alignment="4" load="Yes" name=".init" />
<ProgramSection alignment="4" load="Yes" name=".init_rodata" />
<ProgramSection alignment="4" load="Yes" name=".text" />
<ProgramSection alignment="4" load="Yes" name=".dtors" />
<ProgramSection alignment="4" load="Yes" name=".ctors" />
<ProgramSection alignment="4" load="Yes" name=".rodata" />
<ProgramSection alignment="4" load="Yes" name=".ARM.exidx" address_symbol="__exidx_start" end_symbol="__exidx_end" />
<ProgramSection alignment="4" load="Yes" runin=".fast_run" name=".fast" />
<ProgramSection alignment="4" load="Yes" runin=".data_run" name=".data" />
<ProgramSection alignment="4" load="Yes" runin=".tdata_run" name=".tdata" />
</MemorySegment>
<MemorySegment name="$(RAM_NAME:RAM);SRAM">
<ProgramSection alignment="0x100" load="No" name=".vectors_ram" start="$(RAM_START:$(SRAM_START:))" />
<ProgramSection alignment="4" load="No" name=".fast_run" />
<ProgramSection alignment="4" load="No" name=".data_run" />
<ProgramSection alignment="4" load="No" name=".tdata_run" />
<ProgramSection alignment="4" load="No" name=".bss" />
<ProgramSection alignment="4" load="No" name=".tbss" />
<ProgramSection alignment="4" load="No" name=".non_init" />
<ProgramSection alignment="4" size="__HEAPSIZE__" load="No" name=".heap" />
<ProgramSection alignment="8" size="__STACKSIZE__" load="No" place_from_segment_end="Yes" name=".stack" />
<ProgramSection alignment="8" size="__STACKSIZE_PROCESS__" load="No" name=".stack_process" />
</MemorySegment>
<MemorySegment name="$(FLASH2_NAME:FLASH2)">
<ProgramSection alignment="4" load="Yes" name=".text2" />
<ProgramSection alignment="4" load="Yes" name=".rodata2" />
<ProgramSection alignment="4" load="Yes" runin=".data2_run" name=".data2" />
</MemorySegment>
<MemorySegment name="$(RAM2_NAME:RAM2)">
<ProgramSection alignment="4" load="No" name=".data2_run" />
<ProgramSection alignment="4" load="No" name=".bss2" />
</MemorySegment>
</Root>
@@ -0,0 +1,5 @@
<!DOCTYPE Board_Memory_Definition_File>
<root name="nRF52840_xxAA">
<MemorySegment name="FLASH" start="0x00000000" size="0x00100000" access="ReadOnly" />
<MemorySegment name="RAM" start="0x20000000" size="0x00040000" access="Read/Write" />
</root>
@@ -0,0 +1,19 @@
/*****************************************************************************
* SEGGER Microcontroller GmbH & Co. KG *
* Solutions for real time microcontroller applications *
*****************************************************************************
* *
* (c) 2017 SEGGER Microcontroller GmbH & Co. KG *
* *
* Internet: www.segger.com Support: support@segger.com *
* *
*****************************************************************************/
function Reset() {
TargetInterface.resetAndStop();
}
function EnableTrace(traceInterfaceType) {
// TODO: Enable trace
}
File diff suppressed because it is too large Load Diff
@@ -0,0 +1,152 @@
<!DOCTYPE CrossStudio_Project_File>
<solution Name="nrf5x" target="8" version="2">
<project Name="nrf5x">
<configuration
Name="Common"
Placement="Flash"
Target="nRF52840_xxAA"
arm_architecture="v7EM"
arm_core_type="Cortex-M4"
arm_endian="Little"
arm_fp_abi="Hard"
arm_fpu_type="FPv4-SP-D16"
arm_interwork="No"
arm_linker_heap_size="1024"
arm_linker_process_stack_size="0"
arm_linker_stack_size="1024"
arm_simulator_memory_simulation_parameter="ROM;0x00000000;0x00100000;RAM;0x20000000;0x00040000"
arm_target_debug_interface_type="ADIv5"
arm_target_device_name="nRF52840_xxAA"
arm_target_interface_type="SWD"
build_treat_warnings_as_errors="Yes"
c_preprocessor_definitions="NRF52840_XXAA;__nRF_FAMILY;ARM_MATH_CM4;FLASH_PLACEMENT=1;BOARD_PCA10056;CFG_TUSB_MCU=OPT_MCU_NRF5X"
c_user_include_directories="./;../../src;$(rootDir)/hw/cmsis/Include;$(rootDir)/hw;$(rootDir)/src;$(nrfxDir)/..;$(nrfxDir);$(nrfxDir)/mdk;$(nrfxDir)/hal;$(nrfxDir)/drivers/include;$(freertosDir)/Source/include;$(freertosDir)/Source/portable/GCC/ARM_CM4F"
debug_register_definition_file="nrf52840_Registers.xml"
debug_target_connection="J-Link"
gcc_entry_point="Reset_Handler"
link_use_linker_script_file="No"
linker_memory_map_file="nRF52840_xxAA_MemoryMap.xml"
linker_section_placement_file="flash_placement.xml"
macros="DeviceFamily=nRF;Target=nRF52840_xxAA;Placement=Flash;rootDir=../../../../..;nrfxDir=../../../../../hw/mcu/nordic/nrfx;freertosDir=../../../../../lib/FreeRTOS"
project_directory=""
project_type="Executable"
target_reset_script="Reset();"
target_script_file="$(ProjectDir)/nRF_Target.js"
target_trace_initialize_script="EnableTrace(&quot;$(TraceInterfaceType)&quot;)" />
<folder
Name="tinyusb"
exclude=""
filter="*.c;*.h"
path="../../../../../src"
recurse="Yes" />
<folder Name="hw">
<folder Name="bsp">
<folder Name="pca10056">
<file file_name="../../../../../hw/bsp/pca10056/board_pca10056.c" />
<file file_name="../../../../../hw/bsp/pca10056/board_pca10056.h" />
</folder>
<file file_name="../../../../../hw/bsp/ansi_escape.h" />
<file file_name="../../../../../hw/bsp/board.h" />
</folder>
<folder Name="mcu">
<folder Name="nordic">
<folder Name="nrfx">
<folder Name="drivers">
<folder Name="include">
<file file_name="../../../../../hw/mcu/nordic/nrfx/drivers/include/nrfx_power_clock.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/drivers/include/nrfx_power.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/drivers/include/nrfx_qspi.h" />
</folder>
<folder Name="src">
<file file_name="../../../../../hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/drivers/src/nrfx_qspi.c" />
</folder>
</folder>
<folder Name="hal">
<file file_name="../../../../../hw/mcu/nordic/nrfx/hal/nrf_power.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/hal/nrf_qspi.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/hal/nrf_usbd.h" />
</folder>
<folder Name="mdk">
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/nrf51_to_nrf52840.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/nrf52840_bitfields.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/nrf52840.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/nrf52840_peripherals.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/nrf52_to_nrf52840.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/ses_startup_nrf52840.s" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/ses_startup_nrf_common.s" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/system_nrf52840.c" />
<file file_name="../../../../../hw/mcu/nordic/nrfx/mdk/system_nrf52840.h" />
</folder>
</folder>
<file file_name="../../../../../hw/mcu/nordic/nrfx_config.h" />
<file file_name="../../../../../hw/mcu/nordic/nrfx_glue.h" />
</folder>
</folder>
</folder>
<configuration Name="Debug" build_treat_warnings_as_errors="Yes" />
<folder
Name="src"
exclude=""
filter="*.c;*.h"
path="../../src"
recurse="Yes" />
<folder Name="System Files">
<file file_name="flash_placement.xml" />
<file file_name="nrf52840_Registers.xml" />
<file file_name="nRF52840_xxAA_MemoryMap.xml" />
<file file_name="nRF_Target.js" />
<file file_name="thumb_crt0.s" />
</folder>
<folder
Name="segger_rtt"
exclude=""
filter="*.c;*.h"
path="../../../../../lib/segger_rtt"
recurse="No" />
<folder Name="lib">
<folder Name="FreeRTOS">
<folder Name="Source">
<folder Name="include">
<file file_name="../../../../../lib/FreeRTOS/Source/include/croutine.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/deprecated_definitions.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/event_groups.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/FreeRTOS.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/list.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/message_buffer.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/mpu_prototypes.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/mpu_wrappers.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/portable.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/projdefs.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/queue.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/semphr.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/stack_macros.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/StackMacros.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/stream_buffer.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/task.h" />
<file file_name="../../../../../lib/FreeRTOS/Source/include/timers.h" />
</folder>
<folder Name="portable">
<folder Name="Common" />
<folder Name="GCC">
<folder Name="ARM_CM4F">
<file file_name="../../../../../lib/FreeRTOS/Source/portable/GCC/ARM_CM4F/port.c" />
<file file_name="../../../../../lib/FreeRTOS/Source/portable/GCC/ARM_CM4F/portmacro.h" />
</folder>
</folder>
<folder Name="MemMang">
<file file_name="../../../../../lib/FreeRTOS/Source/portable/MemMang/heap_4.c" />
</folder>
</folder>
<file file_name="../../../../../lib/FreeRTOS/Source/list.c" />
<file file_name="../../../../../lib/FreeRTOS/Source/queue.c" />
<file file_name="../../../../../lib/FreeRTOS/Source/tasks.c" />
<file file_name="../../../../../lib/FreeRTOS/Source/timers.c" />
</folder>
<file file_name="../../../../../lib/FreeRTOS/FreeRTOSConfig.h" />
<file file_name="../../../../../lib/FreeRTOS/freertos_hook.c" />
</folder>
</folder>
</project>
<configuration Name="pca10056" />
</solution>
@@ -0,0 +1,420 @@
// SEGGER Embedded Studio, runtime support.
//
// Copyright (c) 2014-2017 SEGGER Microcontroller GmbH & Co KG
// Copyright (c) 2001-2017 Rowley Associates Limited.
//
// This file may be distributed under the terms of the License Agreement
// provided with this software.
//
// THIS FILE IS PROVIDED AS IS WITH NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
//
// Preprocessor Definitions
// ------------------------
// APP_ENTRY_POINT
//
// Defines the application entry point function, if undefined this setting
// defaults to "main".
//
// INITIALIZE_STACK
//
// If defined, the contents of the stack will be initialized to a the
// value 0xCC.
//
// INITIALIZE_SECONDARY_SECTIONS
//
// If defined, the .data2, .text2, .rodata2 and .bss2 sections will be initialized.
//
// INITIALIZE_TCM_SECTIONS
//
// If defined, the .data_tcm, .text_tcm, .rodata_tcm and .bss_tcm sections
// will be initialized.
//
// INITIALIZE_USER_SECTIONS
//
// If defined, the function InitializeUserMemorySections will be called prior
// to entering main in order to allow the user to initialize any user defined
// memory sections.
//
// FULL_LIBRARY
//
// If defined then
// - argc, argv are setup by the debug_getargs.
// - the exit symbol is defined and executes on return from main.
// - the exit symbol calls destructors, atexit functions and then debug_exit.
//
// If not defined then
// - argc and argv are zero.
// - the exit symbol is defined, executes on return from main and loops
//
#ifndef APP_ENTRY_POINT
#define APP_ENTRY_POINT main
#endif
#ifndef ARGSSPACE
#define ARGSSPACE 128
#endif
.syntax unified
.global _start
.extern APP_ENTRY_POINT
.global exit
.weak exit
#ifdef INITIALIZE_USER_SECTIONS
.extern InitializeUserMemorySections
#endif
.section .init, "ax"
.code 16
.align 2
.thumb_func
_start:
/* Set up main stack if size > 0 */
ldr r1, =__stack_end__
ldr r0, =__stack_start__
subs r2, r1, r0
beq 1f
#ifdef __ARM_EABI__
movs r2, #0x7
bics r1, r2
#endif
mov sp, r1
#ifdef INITIALIZE_STACK
movs r2, #0xCC
ldr r0, =__stack_start__
bl memory_set
#endif
1:
/* Set up process stack if size > 0 */
ldr r1, =__stack_process_end__
ldr r0, =__stack_process_start__
subs r2, r1, r0
beq 1f
#ifdef __ARM_EABI__
movs r2, #0x7
bics r1, r2
#endif
msr psp, r1
movs r2, #2
msr control, r2
#ifdef INITIALIZE_STACK
movs r2, #0xCC
bl memory_set
#endif
1:
/* Copy initialized memory sections into RAM (if necessary). */
ldr r0, =__data_load_start__
ldr r1, =__data_start__
ldr r2, =__data_end__
bl memory_copy
ldr r0, =__text_load_start__
ldr r1, =__text_start__
ldr r2, =__text_end__
bl memory_copy
ldr r0, =__fast_load_start__
ldr r1, =__fast_start__
ldr r2, =__fast_end__
bl memory_copy
ldr r0, =__ctors_load_start__
ldr r1, =__ctors_start__
ldr r2, =__ctors_end__
bl memory_copy
ldr r0, =__dtors_load_start__
ldr r1, =__dtors_start__
ldr r2, =__dtors_end__
bl memory_copy
ldr r0, =__rodata_load_start__
ldr r1, =__rodata_start__
ldr r2, =__rodata_end__
bl memory_copy
ldr r0, =__tdata_load_start__
ldr r1, =__tdata_start__
ldr r2, =__tdata_end__
bl memory_copy
#ifdef INITIALIZE_SECONDARY_SECTIONS
ldr r0, =__data2_load_start__
ldr r1, =__data2_start__
ldr r2, =__data2_end__
bl memory_copy
ldr r0, =__text2_load_start__
ldr r1, =__text2_start__
ldr r2, =__text2_end__
bl memory_copy
ldr r0, =__rodata2_load_start__
ldr r1, =__rodata2_start__
ldr r2, =__rodata2_end__
bl memory_copy
#endif /* #ifdef INITIALIZE_SECONDARY_SECTIONS */
#ifdef INITIALIZE_TCM_SECTIONS
ldr r0, =__data_tcm_load_start__
ldr r1, =__data_tcm_start__
ldr r2, =__data_tcm_end__
bl memory_copy
ldr r0, =__text_tcm_load_start__
ldr r1, =__text_tcm_start__
ldr r2, =__text_tcm_end__
bl memory_copy
ldr r0, =__rodata_tcm_load_start__
ldr r1, =__rodata_tcm_start__
ldr r2, =__rodata_tcm_end__
bl memory_copy
#endif /* #ifdef INITIALIZE_TCM_SECTIONS */
/* Zero the bss. */
ldr r0, =__bss_start__
ldr r1, =__bss_end__
movs r2, #0
bl memory_set
ldr r0, =__tbss_start__
ldr r1, =__tbss_end__
movs r2, #0
bl memory_set
#ifdef INITIALIZE_SECONDARY_SECTIONS
ldr r0, =__bss2_start__
ldr r1, =__bss2_end__
mov r2, #0
bl memory_set
#endif /* #ifdef INITIALIZE_SECONDARY_SECTIONS */
#ifdef INITIALIZE_TCM_SECTIONS
ldr r0, =__bss_tcm_start__
ldr r1, =__bss_tcm_end__
mov r2, #0
bl memory_set
#endif /* #ifdef INITIALIZE_TCM_SECTIONS */
/* Initialize the heap */
ldr r0, = __heap_start__
ldr r1, = __heap_end__
subs r1, r1, r0
cmp r1, #8
blt 1f
movs r2, #0
str r2, [r0]
adds r0, r0, #4
str r1, [r0]
1:
#ifdef INITIALIZE_USER_SECTIONS
ldr r2, =InitializeUserMemorySections
blx r2
#endif
/* Call constructors */
ldr r0, =__ctors_start__
ldr r1, =__ctors_end__
ctor_loop:
cmp r0, r1
beq ctor_end
ldr r2, [r0]
adds r0, #4
push {r0-r1}
blx r2
pop {r0-r1}
b ctor_loop
ctor_end:
/* Setup initial call frame */
movs r0, #0
mov lr, r0
mov r12, sp
.type start, function
start:
/* Jump to application entry point */
#ifdef FULL_LIBRARY
movs r0, #ARGSSPACE
ldr r1, =args
ldr r2, =debug_getargs
blx r2
ldr r1, =args
#else
movs r0, #0
movs r1, #0
#endif
ldr r2, =APP_ENTRY_POINT
blx r2
.thumb_func
exit:
#ifdef FULL_LIBRARY
mov r5, r0 // save the exit parameter/return result
/* Call destructors */
ldr r0, =__dtors_start__
ldr r1, =__dtors_end__
dtor_loop:
cmp r0, r1
beq dtor_end
ldr r2, [r0]
add r0, #4
push {r0-r1}
blx r2
pop {r0-r1}
b dtor_loop
dtor_end:
/* Call atexit functions */
ldr r2, =_execute_at_exit_fns
blx r2
/* Call debug_exit with return result/exit parameter */
mov r0, r5
ldr r2, =debug_exit
blx r2
#endif
/* Returned from application entry point, loop forever. */
exit_loop:
b exit_loop
.thumb_func
memory_copy:
cmp r0, r1
beq 2f
subs r2, r2, r1
beq 2f
1:
ldrb r3, [r0]
adds r0, r0, #1
strb r3, [r1]
adds r1, r1, #1
subs r2, r2, #1
bne 1b
2:
bx lr
.thumb_func
memory_set:
cmp r0, r1
beq 1f
strb r2, [r0]
adds r0, r0, #1
b memory_set
1:
bx lr
// default C/C++ library helpers
.macro HELPER helper_name
.section .text.\helper_name, "ax", %progbits
.global \helper_name
.weak \helper_name
\helper_name:
.thumb_func
.endm
.macro JUMPTO name
#if defined(__thumb__) && !defined(__thumb2__)
mov r12, r0
ldr r0, =\name
push {r0}
mov r0, r12
pop {pc}
#else
b \name
#endif
.endm
HELPER __aeabi_read_tp
ldr r0, =__tbss_start__-8
bx lr
HELPER __heap_lock
bx lr
HELPER __heap_unlock
bx lr
HELPER __printf_lock
bx lr
HELPER __printf_unlock
bx lr
HELPER __scanf_lock
bx lr
HELPER __scanf_unlock
bx lr
HELPER __debug_io_lock
bx lr
HELPER __debug_io_unlock
bx lr
HELPER abort
b .
HELPER __assert
b .
HELPER __aeabi_assert
b .
HELPER __cxa_pure_virtual
b .
HELPER __cxa_guard_acquire
ldr r3, [r0]
#if defined(__thumb__) && !defined(__thumb2__)
movs r0, #1
tst r3, r0
#else
tst r3, #1
#endif
beq 1f
movs r0, #0
bx lr
1:
movs r0, #1
bx lr
HELPER __cxa_guard_release
movs r3, #1
str r3, [r0]
bx lr
HELPER __cxa_guard_abort
bx lr
HELPER __sync_synchronize
bx lr
HELPER __getchar
JUMPTO debug_getchar
HELPER __putchar
JUMPTO debug_putchar
HELPER __open
JUMPTO debug_fopen
HELPER __close
JUMPTO debug_fclose
HELPER __write
mov r3, r0
mov r0, r1
movs r1, #1
JUMPTO debug_fwrite
HELPER __read
mov r3, r0
mov r0, r1
movs r1, #1
JUMPTO debug_fread
HELPER __seek
push {r4, lr}
mov r4, r0
bl debug_fseek
cmp r0, #0
bne 1f
mov r0, r4
bl debug_ftell
pop {r4, pc}
1:
ldr r0, =-1
pop {r4, pc}
// char __user_locale_name_buffer[];
.section .bss.__user_locale_name_buffer, "aw", %nobits
.global __user_locale_name_buffer
.weak __user_locale_name_buffer
__user_locale_name_buffer:
.word 0x0
#ifdef FULL_LIBRARY
.bss
args:
.space ARGSSPACE
#endif
/* Setup attibutes of stack and heap sections so they don't take up room in the elf file */
.section .stack, "wa", %nobits
.section .stack_process, "wa", %nobits
.section .heap, "wa", %nobits