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authorFrédéric Desbiens <[email protected]>2026-10-02 10:42:44 -0400
committerGitHub <[email protected]>2026-10-02 10:42:44 -0400
commit93387b0a60382a29579bbad5045c68328e3751df (patch)
tree42be790d602cb76f55090e5a7c418df7ea2b3428 /ports_module/cortex_m33/iar
parent44d7c95c582d415c4ad84527180b29c93c3bf664 (diff)
parent28281cd5647d4671236ca08d19bd18ed15b2265a (diff)
Merge pull request #783 from eclipse-threadx/devv6.5.2.202603_rel
Merged changes ahead of the v6.5.2.202603 release
Diffstat (limited to 'ports_module/cortex_m33/iar')
-rw-r--r--ports_module/cortex_m33/iar/example_build/tx_initialize_low_level.s17
-rw-r--r--ports_module/cortex_m33/iar/inc/tx_port.h2
-rw-r--r--ports_module/cortex_m33/iar/module_manager/src/tx_thread_schedule.s16
3 files changed, 19 insertions, 16 deletions
diff --git a/ports_module/cortex_m33/iar/example_build/tx_initialize_low_level.s b/ports_module/cortex_m33/iar/example_build/tx_initialize_low_level.s
index 43467f18..38e9c687 100644
--- a/ports_module/cortex_m33/iar/example_build/tx_initialize_low_level.s
+++ b/ports_module/cortex_m33/iar/example_build/tx_initialize_low_level.s
@@ -8,6 +8,7 @@
*
* SPDX-License-Identifier: MIT
**************************************************************************/
+// Portions of this file were generated with AI assistance.
/**************************************************************************/
@@ -20,11 +21,9 @@
/**************************************************************************/
/**************************************************************************/
- EXTERN _tx_thread_system_stack_ptr
EXTERN _tx_initialize_unused_memory
EXTERN _tx_timer_interrupt
EXTERN __main
- EXTERN __vector_table
EXTERN _tx_thread_current_ptr
EXTERN _tx_thread_stack_error_handler
@@ -85,25 +84,17 @@ _tx_initialize_low_level:
LDR r1, =__tx_free_memory_start // Build first free address
STR r1, [r0] // Setup first unused memory pointer
- /* Setup Vector Table Offset Register. */
- MOV r0, #0xE000E000 // Build address of NVIC registers
- LDR r1, =__vector_table // Pickup address of vector table
- STR r1, [r0, #0xD08] // Set vector table address
-
/* Enable the cycle count register. */
// LDR r0, =0xE0001000 // Build address of DWT register
// LDR r1, [r0] // Pickup the current value
// ORR r1, r1, #1 // Set the CYCCNTENA bit
// STR r1, [r0] // Enable the cycle count register
- /* Set system stack pointer from vector value. */
- LDR r0, =_tx_thread_system_stack_ptr // Build address of system stack pointer
- LDR r1, =__vector_table // Pickup address of vector table
- LDR r1, [r1] // Pickup reset stack pointer
- STR r1, [r0] // Save system stack pointer
-
/* Configure SysTick. */
MOV r0, #0xE000E000 // Build address of NVIC registers
+ MOV r1, #0 // Build value for SysTick reset
+ STR r1, [r0, #0x10] // Reset SysTick Control
+ STR r1, [r0, #0x18] // Reset SysTick Counter Value
LDR r1, =SYSTICK_CYCLES
STR r1, [r0, #0x14] // Setup SysTick Reload Value
MOV r1, #0x7 // Build SysTick Control Enable Value
diff --git a/ports_module/cortex_m33/iar/inc/tx_port.h b/ports_module/cortex_m33/iar/inc/tx_port.h
index bf859fbc..14bc8a19 100644
--- a/ports_module/cortex_m33/iar/inc/tx_port.h
+++ b/ports_module/cortex_m33/iar/inc/tx_port.h
@@ -675,7 +675,7 @@ VOID _tx_thread_interrupt_restore(UIN
#ifdef TX_THREAD_INIT
CHAR _tx_version_id[] =
- "(c) 2024 Microsoft Corp. (c) 2026-present Eclipse ThreadX contributors. * ThreadX Cortex-M33 Version 6.5.1.202602a *";
+ "(c) 2024 Microsoft Corp. (c) 2026-present Eclipse ThreadX contributors. * ThreadX Cortex-M33 Version 6.5.2.202603 *";
#else
#ifdef TX_MISRA_ENABLE
extern CHAR _tx_version_id[100];
diff --git a/ports_module/cortex_m33/iar/module_manager/src/tx_thread_schedule.s b/ports_module/cortex_m33/iar/module_manager/src/tx_thread_schedule.s
index 3b6a61ce..39cf644c 100644
--- a/ports_module/cortex_m33/iar/module_manager/src/tx_thread_schedule.s
+++ b/ports_module/cortex_m33/iar/module_manager/src/tx_thread_schedule.s
@@ -9,6 +9,8 @@
* SPDX-License-Identifier: MIT
**************************************************************************/
+// Portions of this file were generated with AI assistance.
+
/**************************************************************************/
/**************************************************************************/
@@ -208,7 +210,7 @@ BusFault_Handler:
STR r1, [r0] // Store ICSR
DSB // Wait for memory access to complete
#ifdef TX_PORT_USE_BASEPRI
- MOV r0, 0 // Disable BASEPRI masking (enable interrupts)
+ MOV r0, #0 // Disable BASEPRI masking (enable interrupts)
MSR BASEPRI, r0
#else
CPSIE i // Enable interrupts
@@ -239,7 +241,7 @@ __tx_ts_handler:
BL _tx_execution_thread_exit // Call the thread exit function
POP {r0, lr} // Recover LR
#ifdef TX_PORT_USE_BASEPRI
- MOV r0, 0 // Disable BASEPRI masking (enable interrupts)
+ MOV r0, #0 // Disable BASEPRI masking (enable interrupts)
MSR BASEPRI, r0
#else
CPSIE i // Enable interrupts
@@ -330,9 +332,19 @@ __tx_ts_wait:
#endif
#ifdef TX_ENABLE_WFI
+#ifdef TX_PORT_USE_BASEPRI
+ CPSID i // Mask every interrupt with PRIMASK, which WFI ignores
+ MOV r1, #0 // Clear BASEPRI so that an interrupt masked by it
+ MSR BASEPRI, r1 // is still able to wake the processor
+#endif
DSB // Ensure no outstanding memory transactions
WFI // Wait for interrupt
ISB // Ensure pipeline is flushed
+#ifdef TX_PORT_USE_BASEPRI
+ LDR r1, =TX_PORT_BASEPRI // Restore the BASEPRI mask
+ MSR BASEPRI, r1
+ CPSIE i // Clear PRIMASK; a pending interrupt is taken here
+#endif
#endif
#ifdef TX_LOW_POWER