Merge branch 'main' into ARM_CRx_MPU

.github/.cSpellWords.txt

@@ -698,6 +698,7 @@ TXUBR
 TXVC
 TXVDIS
 UDCP
+uncrustify
 UNDADD
 UNRE
 URAD
@@ -713,6 +714,10 @@ VDDCORE
 VECT
 VECTACTIVE
 VECTKEY
+visualisation
+vldmdbeq
+vldmia
+vldmiaeq
 VMSRNE
 VPOPNE
 VPUSHNE

include/FreeRTOS.h

@@ -509,12 +509,36 @@
 
 #endif /* configUSE_TIMERS */
 
+#ifndef portHAS_NESTED_INTERRUPTS
+    #if defined( portSET_INTERRUPT_MASK_FROM_ISR ) && defined( portCLEAR_INTERRUPT_MASK_FROM_ISR )
+        #define portHAS_NESTED_INTERRUPTS    1
+    #else
+        #define portHAS_NESTED_INTERRUPTS    0
+    #endif
+#endif
+
 #ifndef portSET_INTERRUPT_MASK_FROM_ISR
-    #define portSET_INTERRUPT_MASK_FROM_ISR()    0
+    #if ( portHAS_NESTED_INTERRUPTS == 1 )
+        #error portSET_INTERRUPT_MASK_FROM_ISR must be defined for ports that support nested interrupts (i.e. portHAS_NESTED_INTERRUPTS is set to 1)
+    #else
+        #define portSET_INTERRUPT_MASK_FROM_ISR()    0
+    #endif
+#else
+    #if ( portHAS_NESTED_INTERRUPTS == 0 )
+        #error portSET_INTERRUPT_MASK_FROM_ISR must not be defined for ports that do not support nested interrupts (i.e. portHAS_NESTED_INTERRUPTS is set to 0)
+    #endif
 #endif
 
 #ifndef portCLEAR_INTERRUPT_MASK_FROM_ISR
-    #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusValue )    ( void ) ( uxSavedStatusValue )
+    #if ( portHAS_NESTED_INTERRUPTS == 1 )
+        #error portCLEAR_INTERRUPT_MASK_FROM_ISR must be defined for ports that support nested interrupts  (i.e. portHAS_NESTED_INTERRUPTS is set to 1)
+    #else
+        #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusValue )    ( void ) ( uxSavedStatusValue )
+    #endif
+#else
+    #if ( portHAS_NESTED_INTERRUPTS == 0 )
+        #error portCLEAR_INTERRUPT_MASK_FROM_ISR must not be defined for ports that do not support nested interrupts (i.e. portHAS_NESTED_INTERRUPTS is set to 0)
+    #endif
 #endif
 
 #ifndef portCLEAN_UP_TCB

include/atomic.h

@@ -33,6 +33,14 @@
  * This file implements atomic functions by disabling interrupts globally.
  * Implementations with architecture specific atomic instructions can be
  * provided under each compiler directory.
+ *
+ * The atomic interface can be used in FreeRTOS tasks on all FreeRTOS ports. It
+ * can also be used in Interrupt Service Routines (ISRs) on FreeRTOS ports that
+ * support nested interrupts (i.e. portHAS_NESTED_INTERRUPTS is set to 1). The
+ * atomic interface must not be used in ISRs on FreeRTOS ports that do not
+ * support nested interrupts (i.e. portHAS_NESTED_INTERRUPTS is set to 0)
+ * because ISRs on these ports cannot be interrupted and therefore, do not need
+ * atomics in ISRs.
  */
 
 #ifndef ATOMIC_H
@@ -59,7 +67,7 @@
  * ATOMIC_ENTER_CRITICAL().
  *
  */
-#if defined( portSET_INTERRUPT_MASK_FROM_ISR )
+#if ( portHAS_NESTED_INTERRUPTS == 1 )
 
 /* Nested interrupt scheme is supported in this port. */
     #define ATOMIC_ENTER_CRITICAL() \

portable/CMakeLists.txt

@@ -81,7 +81,6 @@ add_library(freertos_kernel_port STATIC
 
     # ARMv6-M / Cortex-M0 Raspberry PI RP2040 port for GCC
     $<$<STREQUAL:${FREERTOS_PORT},GCC_RP2040>:
-        ThirdParty/GCC/RP2040/idle_task_static_memory.c
         ThirdParty/GCC/RP2040/port.c>
 
     # ARMv7-M ports for GCC

portable/GCC/RISC-V/portmacro.h

@@ -111,9 +111,6 @@ extern void vTaskSwitchContext( void );
 /* Critical section management. */
 #define portCRITICAL_NESTING_IN_TCB    0
 
-#define portSET_INTERRUPT_MASK_FROM_ISR()                          0
-#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusValue )    ( void ) uxSavedStatusValue
-
 #define portDISABLE_INTERRUPTS()                                   __asm volatile ( "csrc mstatus, 8" )
 #define portENABLE_INTERRUPTS()                                    __asm volatile ( "csrs mstatus, 8" )
 

portable/IAR/RISC-V/portmacro.h

@@ -113,9 +113,6 @@ extern void vTaskSwitchContext( void );
 /* Critical section management. */
 #define portCRITICAL_NESTING_IN_TCB    0
 
-#define portSET_INTERRUPT_MASK_FROM_ISR()                          0
-#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusValue )    ( void ) uxSavedStatusValue
-
 #define portDISABLE_INTERRUPTS()                                   __disable_interrupt()
 #define portENABLE_INTERRUPTS()                                    __enable_interrupt()
 

portable/ThirdParty/xClang/XCOREAI/portmacro.h

@@ -139,9 +139,6 @@
         #define portSET_INTERRUPT_MASK()                  rtos_interrupt_mask_all()
         #define portCLEAR_INTERRUPT_MASK( ulState )       rtos_interrupt_mask_set( ulState )
 
-        #define portSET_INTERRUPT_MASK_FROM_ISR()         ( 0 )
-        #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x )    ( ( void ) x )
-
 /*
  * Will enable interrupts if ulState is non-zero.
  */