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FreeRTOS: Convert portMUX_DEBUG to a configuration item

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This commit is contained in:
Angus Gratton 2016-08-25 16:30:47 +08:00
parent 96b9649aa4
commit 00ea21f736
4 changed files with 46 additions and 27 deletions
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27
components/freertos/Kconfig
View file

@ -155,4 +155,31 @@ config FREERTOS_BREAK_ON_SCHEDULER_START_JTAG
If JTAG/OCD is connected, stop execution when the scheduler is started and the first
task is executed.
menuconfig FREERTOS_DEBUG_INTERNALS
bool "Debug FreeRTOS internals"
default n
help
Enable this option to show the menu with internal FreeRTOS debugging features.
This option does not change any code by itself, it just shows/hides some options.
if FREERTOS_DEBUG_INTERNALS
config FREERTOS_PORTMUX_DEBUG
bool "Debug portMUX portENTER_CRITICAL/portEXIT_CRITICAL"
depends on FREERTOS_DEBUG_INTERNALS
default n
help
If enabled, debug information (including integrity checks) will be printed
to UART for the port-specific MUX implementation.
config FREERTOS_PORTMUX_DEBUG_RECURSIVE
bool "Debug portMUX Recursion"
depends on FREERTOS_PORTMUX_DEBUG
default n
help
If enabled, additional debug information will be printed for recursive
portMUX usage.
endif # FREERTOS_DEBUG_INTERNALS
endmenu

14
components/freertos/include/freertos/portmacro.h
View file

@ -120,13 +120,12 @@ typedef unsigned portBASE_TYPE UBaseType_t;
#include "sdkconfig.h"
#define portMUX_DEBUG
#define portFIRST_TASK_HOOK CONFIG_FREERTOS_BREAK_ON_SCHEDULER_START_JTAG
typedef struct {
volatile uint32_t mux;
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
const char *lastLockedFn;
int lastLockedLine;
#endif
@ -151,7 +150,7 @@ typedef struct {
#define portMUX_VAL_SHIFT 0
//Keep this in sync with the portMUX_TYPE struct definition please.
#ifdef portMUX_DEBUG
#ifndef CONFIG_FREERTOS_PORTMUX_DEBUG
#define portMUX_INITIALIZER_UNLOCKED { \
.mux = portMUX_MAGIC_VAL|portMUX_FREE_VAL \
}
@ -170,13 +169,6 @@ typedef struct {
#define portCRITICAL_NESTING_IN_TCB 1
/*
Enable this to enable mux debugging. With this on, the mux code will warn you for deadlocks
and double releases etc.
*/
#define portMUX_DEBUG
/*
Modifications to portENTER_CRITICAL:
@ -198,7 +190,7 @@ This all assumes that interrupts are either entirely disabled or enabled. Interr
will break this scheme.
*/
void vPortCPUInitializeMutex(portMUX_TYPE *mux);
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
void vPortCPUAcquireMutex(portMUX_TYPE *mux, const char *function, int line);
portBASE_TYPE vPortCPUReleaseMutex(portMUX_TYPE *mux, const char *function, int line);
void vTaskEnterCritical( portMUX_TYPE *mux, const char *function, int line );

24
components/freertos/port.c
View file

@ -276,7 +276,7 @@ uint32_t uxPortCompareSet(volatile uint32_t *mux, uint32_t compare, uint32_t set
* For kernel use: Initialize a per-CPU mux. Mux will be initialized unlocked.
*/
void vPortCPUInitializeMutex(portMUX_TYPE *mux) {
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
ets_printf("Initializing mux %p\n", mux);
mux->lastLockedFn="(never locked)";
mux->lastLockedLine=-1;
@ -288,7 +288,7 @@ void vPortCPUInitializeMutex(portMUX_TYPE *mux) {
/*
* For kernel use: Acquire a per-CPU mux. Spinlocks, so don't hold on to these muxes for too long.
*/
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
void vPortCPUAcquireMutex(portMUX_TYPE *mux, const char *fnName, int line) {
#else
void vPortCPUAcquireMutex(portMUX_TYPE *mux) {
@ -296,7 +296,7 @@ void vPortCPUAcquireMutex(portMUX_TYPE *mux) {
uint32_t res;
uint32_t recCnt;
unsigned int irqStatus;
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
uint32_t cnt=(1<<16);
if ( (mux->mux & portMUX_MAGIC_MASK) != portMUX_MAGIC_VAL ) {
ets_printf("ERROR: vPortCPUAcquireMutex: mux %p is uninitialized (0x%X)! Called from %s line %d.\n", mux, mux->mux, fnName, line);
@ -313,21 +313,21 @@ void vPortCPUAcquireMutex(portMUX_TYPE *mux) {
//Mux was already locked by us. Just bump the recurse count by one.
recCnt=(res&portMUX_CNT_MASK)>>portMUX_CNT_SHIFT;
recCnt++;
#ifdef portMUX_DEBUG_RECURSIVE
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG_RECURSIVE
ets_printf("Recursive lock: recCnt=%d last non-recursive lock %s line %d, curr %s line %d\n", recCnt, mux->lastLockedFn, mux->lastLockedLine, fnName, line);
#endif
mux->mux=portMUX_MAGIC_VAL|(recCnt<<portMUX_CNT_SHIFT)|(xPortGetCoreID()<<portMUX_VAL_SHIFT);
break;
}
cnt--;
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
cnt--;
if (cnt==0) {
ets_printf("Timeout on mux! last non-recursive lock %s line %d, curr %s line %d\n", mux->lastLockedFn, mux->lastLockedLine, fnName, line);
ets_printf("Mux value %X\n", mux->mux);
}
#endif
} while (res!=portMUX_FREE_VAL);
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
if (res==portMUX_FREE_VAL) { //initial lock
mux->lastLockedFn=fnName;
mux->lastLockedLine=line;
@ -340,7 +340,7 @@ void vPortCPUAcquireMutex(portMUX_TYPE *mux) {
* For kernel use: Release a per-CPU mux. Returns true if everything is OK, false if mux
* was already unlocked or is locked by a different core.
*/
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
portBASE_TYPE vPortCPUReleaseMutex(portMUX_TYPE *mux, const char *fnName, int line) {
#else
portBASE_TYPE vPortCPUReleaseMutex(portMUX_TYPE *mux) {
@ -351,7 +351,7 @@ portBASE_TYPE vPortCPUReleaseMutex(portMUX_TYPE *mux) {
portBASE_TYPE ret=pdTRUE;
// ets_printf("Unlock %p\n", mux);
irqStatus=portENTER_CRITICAL_NESTED();
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
const char *lastLockedFn=mux->lastLockedFn;
int lastLockedLine=mux->lastLockedLine;
mux->lastLockedFn=fnName;
@ -362,13 +362,13 @@ portBASE_TYPE vPortCPUReleaseMutex(portMUX_TYPE *mux) {
res=uxPortCompareSet(&mux->mux, (xPortGetCoreID()<<portMUX_VAL_SHIFT)|portMUX_MAGIC_VAL, portMUX_FREE_VAL);
if ( res == portMUX_FREE_VAL ) {
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
ets_printf("ERROR: vPortCPUReleaseMutex: mux %p was already unlocked!\n", mux);
ets_printf("Last non-recursive unlock %s line %d, curr unlock %s line %d\n", lastLockedFn, lastLockedLine, fnName, line);
#endif
ret=pdFALSE;
} else if ( ((res&portMUX_VAL_MASK)>>portMUX_VAL_SHIFT) != xPortGetCoreID() ) {
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
ets_printf("ERROR: vPortCPUReleaseMutex: mux %p wasn't locked by this core (%d) but by core %d (ret=%x, mux=%x).\n", mux, xPortGetCoreID(), ((res&portMUX_VAL_MASK)>>portMUX_VAL_SHIFT), res, mux->mux);
ets_printf("Last non-recursive lock %s line %d\n", lastLockedFn, lastLockedLine);
ets_printf("Called by %s line %d\n", fnName, line);
@ -378,7 +378,7 @@ portBASE_TYPE vPortCPUReleaseMutex(portMUX_TYPE *mux) {
//We locked this, but the reccount isn't zero. Decrease refcount and continue.
recCnt=(res&portMUX_CNT_MASK)>>portMUX_CNT_SHIFT;
recCnt--;
#ifdef portMUX_DEBUG_RECURSIVE
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG_RECURSIVE
ets_printf("Recursive unlock: recCnt=%d last locked %s line %d, curr %s line %d\n", recCnt, lastLockedFn, lastLockedLine, fnName, line);
#endif
mux->mux=portMUX_MAGIC_VAL|(recCnt<<portMUX_CNT_SHIFT)|(xPortGetCoreID()<<portMUX_VAL_SHIFT);

8
components/freertos/tasks.c
View file

@ -3754,14 +3754,14 @@ scheduler will re-enable the interrupts instead. */
#if ( portCRITICAL_NESTING_IN_TCB == 1 )
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
void vTaskEnterCritical( portMUX_TYPE *mux, const char *function, int line )
#else
void vTaskEnterCritical( portMUX_TYPE *mux )
#endif
{
portDISABLE_INTERRUPTS();
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
vPortCPUAcquireMutex( mux, function, line );
#else
vPortCPUAcquireMutex( mux );
@ -3794,13 +3794,13 @@ scheduler will re-enable the interrupts instead. */
#if ( portCRITICAL_NESTING_IN_TCB == 1 )
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
void vTaskExitCritical( portMUX_TYPE *mux, const char *function, int line )
#else
void vTaskExitCritical( portMUX_TYPE *mux )
#endif
{
#ifdef portMUX_DEBUG
#ifdef CONFIG_FREERTOS_PORTMUX_DEBUG
vPortCPUReleaseMutex( mux, function, line );
#else
vPortCPUReleaseMutex( mux );