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Rework RISC-V QEMU example to use vanilla Eclipse in place of Freedom Studio. NOTE: RISC-V QEMU mtime interrupts are not generated consistently.

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pull/8/head
Richard Barry 6 years ago
parent ef31243396
commit 343fbe795f
7 changed files with 16 additions and 29 deletions
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2
FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/.cproject
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@ -46,7 +46,7 @@
</tool>
<tool command="riscv64-unknown-elf-gcc.exe" id="cdt.managedbuild.tool.gnu.cross.c.linker.25704515" name="Cross GCC Linker" superClass="cdt.managedbuild.tool.gnu.cross.c.linker">
<option id="gnu.c.link.option.nostart.547444896" name="Do not use standard start files (-nostartfiles)" superClass="gnu.c.link.option.nostart" useByScannerDiscovery="false" value="true" valueType="boolean"/>
<option id="gnu.c.link.option.ldflags.385740302" name="Linker flags" superClass="gnu.c.link.option.ldflags" useByScannerDiscovery="false" value="--specs=nano.specs -Xlinker --gc-sections -Wl,-Map,RTOSDemo.map -T../freedom-e-sdk/env/freedom-e300-hifive1/flash.lds -march=rv32imac -mabi=ilp32 -mcmodel=medlow -Xlinker --defsym=__stack_size=400 -Wl,--start-group -Wl,--end-group -Wl,--wrap=malloc -Wl,--wrap=free -Wl,--wrap=open -Wl,--wrap=lseek -Wl,--wrap=read -Wl,--wrap=write -Wl,--wrap=fstat -Wl,--wrap=stat -Wl,--wrap=close -Wl,--wrap=link -Wl,--wrap=unlink -Wl,--wrap=execve -Wl,--wrap=fork -Wl,--wrap=getpid -Wl,--wrap=kill -Wl,--wrap=wait -Wl,--wrap=isatty -Wl,--wrap=times -Wl,--wrap=sbrk -Wl,--wrap=_exit -Wl,--wrap=puts -Wl,--wrap=_malloc -Wl,--wrap=_free -Wl,--wrap=_open -Wl,--wrap=_lseek -Wl,--wrap=_read -Wl,--wrap=_write -Wl,--wrap=_fstat -Wl,--wrap=_stat -Wl,--wrap=_close -Wl,--wrap=_link -Wl,--wrap=_unlink -Wl,--wrap=_execve -Wl,--wrap=_fork -Wl,--wrap=_getpid -Wl,--wrap=_kill -Wl,--wrap=_wait -Wl,--wrap=_isatty -Wl,--wrap=_times -Wl,--wrap=_sbrk -Wl,--wrap=__exit -Wl,--wrap=_puts" valueType="string"/>
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<option id="gnu.c.link.option.nodeflibs.49453984" name="Do not use default libraries (-nodefaultlibs)" superClass="gnu.c.link.option.nodeflibs" useByScannerDiscovery="false" value="false" valueType="boolean"/>
<inputType id="cdt.managedbuild.tool.gnu.c.linker.input.1563926647" superClass="cdt.managedbuild.tool.gnu.c.linker.input">

5
FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/.project
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@ -89,11 +89,6 @@
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/EventGroupsDemo.c</locationURI>
</link>
<link>
<name>full_demo/standard_demo_tasks/GenQTest.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/GenQTest.c</locationURI>
</link>
<link>
<name>full_demo/standard_demo_tasks/TaskNotify.c</name>
<type>1</type>

9
FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/FreeRTOSConfig.h
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@ -102,7 +102,7 @@
#define configCPU_CLOCK_HZ ( 10000000 ) /*QEMU*/
#define configTICK_RATE_HZ ( ( TickType_t ) 1000 )
#define configMAX_PRIORITIES ( 7 )
#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 70 )
#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 105 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) 14500 )
#define configMAX_TASK_NAME_LEN ( 16 )
#define configUSE_TRACE_FACILITY 0
@ -126,7 +126,7 @@
#define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY ( configMAX_PRIORITIES - 1 )
#define configTIMER_QUEUE_LENGTH 4
#define configTIMER_TASK_STACK_DEPTH ( 120 )
#define configTIMER_TASK_STACK_DEPTH ( 110 )
/* Task priorities. Allow these to be overridden. */
#ifndef uartPRIMARY_PRIORITY
@ -156,13 +156,12 @@ void vAssertCalled( void );
/* Overwrite some of the stack sizes allocated to various test and demo tasks.
Like all task stack sizes, the value is the number of words, not bytes. */
#define bktBLOCK_TIME_TASK_STACK_SIZE 100
#define notifyNOTIFIED_TASK_STACK_SIZE 120
#define notifyNOTIFIED_TASK_STACK_SIZE 110
#define priSUSPENDED_RX_TASK_STACK_SIZE 90
#define tmrTIMER_TEST_TASK_STACK_SIZE 100
#define ebRENDESVOUS_TEST_TASK_STACK_SIZE 100
#define ebEVENT_GROUP_SET_BITS_TEST_TASK_STACK_SIZE 115
#define genqMUTEX_TEST_TASK_STACK_SIZE 90
#define genqGENERIC_QUEUE_TEST_TASK_STACK_SIZE 100
#define recmuRECURSIVE_MUTEX_TEST_TASK_STACK_SIZE 90
#define recmuRECURSIVE_MUTEX_TEST_TASK_STACK_SIZE 110
#endif /* FREERTOS_CONFIG_H */

2
FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/freedom-e-sdk/env/freedom-e300-hifive1/flash.lds vendored
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@ -17,7 +17,7 @@ PHDRS
SECTIONS
{
__stack_size = DEFINED(__stack_size) ? __stack_size : 400;
__stack_size = DEFINED(__stack_size) ? __stack_size : 350;
.init :
{

10
FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/full_demo/RegTest.S
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@ -38,7 +38,7 @@
* main_full.c.
*/
.align( 8 )
.align( 4 )
vRegTest1Implementation:
/* Fill the core registers with known values. */
@ -145,15 +145,14 @@ reg1_loop:
reg1_error_loop:
/* Jump here if a register contains an uxpected value. This stops the loop
counter being incremented so the check task knows an error was found. */
ebreak
jal reg1_error_loop
.align( 16 )
.align( 4 )
ulRegTest1LoopCounterConst: .word ulRegTest1LoopCounter
/*-----------------------------------------------------------*/
.align( 8 )
.align( 4 )
vRegTest2Implementation:
/* Fill the core registers with known values. */
@ -257,10 +256,9 @@ Reg2_loop:
reg2_error_loop:
/* Jump here if a register contains an uxpected value. This stops the loop
counter being incremented so the check task knows an error was found. */
ebreak
jal reg2_error_loop
.align( 16 )
.align( 4 )
ulRegTest2LoopCounterConst: .word ulRegTest2LoopCounter

8
FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/full_demo/main_full.c
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@ -75,7 +75,6 @@
/* Standard demo application includes. */
#include "dynamic.h"
#include "blocktim.h"
#include "GenQTest.h"
#include "recmutex.h"
#include "TimerDemo.h"
#include "EventGroupsDemo.h"
@ -166,7 +165,6 @@ void main_full( void )
kernel port. */
vStartDynamicPriorityTasks();
vCreateBlockTimeTasks();
vStartGenericQueueTasks( tskIDLE_PRIORITY );
vStartRecursiveMutexTasks();
vStartTimerDemoTask( mainTIMER_TEST_PERIOD );
vStartEventGroupTasks();
@ -194,7 +192,6 @@ static void prvCheckTask( void *pvParameters )
const TickType_t xDelayPeriod = mainNO_ERROR_CHECK_TASK_PERIOD;
TickType_t xLastExecutionTime;
static unsigned long ulLastRegTest1Value = 0, ulLastRegTest2Value = 0;
const char * const pcPassMessage = "Pass";
const char * pcStatusMessage = ".";
extern void vSendString( const char * pcString );
@ -228,11 +225,6 @@ extern void vSendString( const char * pcString );
pcStatusMessage = "ERROR: Block time demo/tests.\r\n";
}
if ( xAreGenericQueueTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "ERROR: Generic queue demo/tests.\r\n";
}
if ( xAreRecursiveMutexTasksStillRunning() != pdTRUE )
{
pcStatusMessage = "ERROR: Recursive mutex demo/tests.\r\n";

9
FreeRTOS/Demo/RISC-V-Qemu-sifive_e-Eclipse-GCC/main.c
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@ -50,7 +50,8 @@
* This project has only been tested in the QEMU emulation of the HiFive board
* from SiFive.
*
* Start QEMU using the following command line:
* NOTE - Requires QEMU 1908xx or higher. Start QEMU using the following command
* line:
*
* [your_path_1]\qemu-system-riscv32 -kernel [your_path_2]\FreeRTOS\Demo\RISC-V-Qemu-sifive_e-FreedomStudio\Debug\RTOSDemo.elf -S -s -machine sifive_e
*
@ -191,11 +192,13 @@ volatile uint32_t ulSetTo1ToExitFunction = 0;
void vSendString( const char * pcString )
{
const uint32_t ulTxFifoFullBit = 0x80000000UL;
while( *pcString != 0x00 )
{
while( UART0_REG( UART_REG_TXFIFO ) & 0x80000000 );
while( ( UART0_REG( UART_REG_TXFIFO ) & ulTxFifoFullBit ) != 0UL );
UART0_REG( UART_REG_TXFIFO ) = *pcString;
*pcString++;
pcString++;
}
}

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