apply 6.0.2 patch
This commit is contained in:
@@ -20,42 +20,32 @@
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;/**************************************************************************/
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;/**************************************************************************/
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;
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;#define TX_SOURCE_CODE
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;
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;
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;/* Include necessary system files. */
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;
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;#include "tx_api.h"
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;#include "tx_initialize.h"
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;#include "tx_thread.h"
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;#include "tx_timer.h"
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;
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;
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EXTERN _tx_thread_system_stack_ptr
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EXTERN _tx_initialize_unused_memory
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EXTERN _tx_timer_interrupt
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EXTERN __vector_table
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EXTERN _tx_execution_isr_enter
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EXTERN _tx_execution_isr_exit
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EXTERN _tx_thread_system_stack_ptr
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EXTERN _tx_initialize_unused_memory
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EXTERN _tx_timer_interrupt
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EXTERN __vector_table
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EXTERN _tx_execution_isr_enter
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EXTERN _tx_execution_isr_exit
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;
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;
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SYSTEM_CLOCK EQU 25000000
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SYSTICK_CYCLES EQU ((SYSTEM_CLOCK / 100) -1)
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RSEG FREE_MEM:DATA
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PUBLIC __tx_free_memory_start
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__tx_free_memory_start
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DS32 4
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DS32 4
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;
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;
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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;/**************************************************************************/
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;/* */
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;/* FUNCTION RELEASE */
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;/* */
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;/* _tx_initialize_low_level Cortex-M4/IAR */
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;/* 6.0.1 */
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;/* 6.0.2 */
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;/* AUTHOR */
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;/* */
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;/* William E. Lamie, Microsoft Corporation */
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@@ -89,20 +79,23 @@ __tx_free_memory_start
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;/* DATE NAME DESCRIPTION */
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;/* */
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;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
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;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
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;/* whitespace, resulting */
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;/* in version 6.0.2 */
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;/* */
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;/**************************************************************************/
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;VOID _tx_initialize_low_level(VOID)
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;{
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PUBLIC _tx_initialize_low_level
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_tx_initialize_low_level:
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;
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;
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; /* Ensure that interrupts are disabled. */
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;
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CPSID i ; Disable interrupts
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;
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;
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; /* Set base of available memory to end of non-initialised RAM area. */
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;
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;
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LDR r0, =__tx_free_memory_start ; Get end of non-initialized RAM area
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LDR r2, =_tx_initialize_unused_memory ; Build address of unused memory pointer
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STR r0, [r2, #0] ; Save first free memory address
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@@ -112,13 +105,13 @@ _tx_initialize_low_level:
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LDR r0, =0xE0001000 ; Build address of DWT register
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LDR r1, [r0] ; Pickup the current value
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ORR r1, r1, #1 ; Set the CYCCNTENA bit
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STR r1, [r0] ; Enable the cycle count register
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STR r1, [r0] ; Enable the cycle count register
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;
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; /* Setup Vector Table Offset Register. */
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;
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;
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MOV r0, #0xE000E000 ; Build address of NVIC registers
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LDR r1, =__vector_table ; Pickup address of vector table
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STR r1, [r0, #0xD08] ; Set vector table address
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STR r1, [r0, #0xD08] ; Set vector table address
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;
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; /* Set system stack pointer from vector value. */
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;
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@@ -149,8 +142,8 @@ _tx_initialize_low_level:
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; Note: PnSV must be lowest priority, which is 0xFF
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;
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; /* Return to caller. */
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;
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BX lr
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;
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BX lr
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;}
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;
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PUBLIC SysTick_Handler
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@@ -173,4 +166,3 @@ SysTick_Handler:
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BX LR
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; }
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END
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@@ -214,6 +214,11 @@ For generic code revision information, please refer to the readme_threadx_generi
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file, which is included in your distribution. The following details the revision
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information associated with this specific port of ThreadX:
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08-14-2020 ThreadX update of Cortex-M4/IAR port. The following files were
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changed/added for port specific version 6.0.2:
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*.s Modified comments and whitespace.
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06/30/2020 Initial ThreadX 6.0.1 version for Cortex-M4 using IAR's ARM tools.
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@@ -21,33 +21,25 @@
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;/**************************************************************************/
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;
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;
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;#define TX_SOURCE_CODE
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EXTERN _tx_execution_isr_exit
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;
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;
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;/* Include necessary system files. */
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;
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;#include "tx_api.h"
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;#include "tx_thread.h"
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;#include "tx_timer.h"
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;
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;
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EXTERN _tx_execution_isr_exit
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;
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;
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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;/**************************************************************************/
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;/* */
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;/* FUNCTION RELEASE */
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;/* */
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;/* _tx_thread_context_restore Cortex-M4/IAR */
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;/* 6.0.1 */
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;/* 6.0.2 */
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;/* AUTHOR */
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;/* */
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;/* William E. Lamie, Microsoft Corporation */
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;/* */
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;/* DESCRIPTION */
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;/* */
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;/* This function is only needed for legacy applications and it should */
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;/* not be called in any new development on a Cortex-M. */
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;/* This function restores the interrupt context if it is processing a */
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;/* nested interrupt. If not, it returns to the interrupt thread if no */
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;/* preemption is necessary. Otherwise, if preemption is necessary or */
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@@ -74,6 +66,9 @@
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;/* DATE NAME DESCRIPTION */
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;/* */
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;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
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;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
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;/* whitespace, resulting */
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;/* in version 6.0.2 */
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;/* */
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;/**************************************************************************/
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;VOID _tx_thread_context_restore(VOID)
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@@ -94,5 +89,4 @@ _tx_thread_context_restore:
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BX lr
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;
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;}
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END
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END
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@@ -21,33 +21,25 @@
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;/**************************************************************************/
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;
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;
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;#define TX_SOURCE_CODE
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EXTERN _tx_execution_isr_enter
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;
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;
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;/* Include necessary system files. */
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;
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;#include "tx_api.h"
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;#include "tx_thread.h"
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;#include "tx_timer.h"
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;
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;
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EXTERN _tx_execution_isr_enter
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;
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;
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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;/**************************************************************************/
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;/* */
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;/* FUNCTION RELEASE */
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;/* */
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;/* _tx_thread_context_save Cortex-M4/IAR */
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;/* 6.0.1 */
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;/* 6.0.2 */
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;/* AUTHOR */
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;/* */
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;/* William E. Lamie, Microsoft Corporation */
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;/* */
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;/* DESCRIPTION */
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;/* */
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;/* This function is only needed for legacy applications and it should */
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;/* not be called in any new development on a Cortex-M. */
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;/* This function saves the context of an executing thread in the */
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;/* beginning of interrupt processing. The function also ensures that */
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;/* the system stack is used upon return to the calling ISR. */
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@@ -73,6 +65,9 @@
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;/* DATE NAME DESCRIPTION */
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;/* */
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;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
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;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
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;/* whitespace, resulting */
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;/* in version 6.0.2 */
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;/* */
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;/**************************************************************************/
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;VOID _tx_thread_context_save(VOID)
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@@ -82,7 +77,7 @@ _tx_thread_context_save:
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#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
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;
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; /* Call the ISR enter function to indicate an ISR is starting. */
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;
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;
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PUSH {r0, lr} ; Save return address
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BL _tx_execution_isr_enter ; Call the ISR enter function
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POP {r0, lr} ; Recover return address
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@@ -20,23 +20,15 @@
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;/**************************************************************************/
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;/**************************************************************************/
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;
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;#define TX_SOURCE_CODE
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;
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;
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;/* Include necessary system files. */
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;
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;#include "tx_api.h"
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;#include "tx_thread.h"
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;
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;
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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;/**************************************************************************/
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;/* */
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;/* FUNCTION RELEASE */
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;/* */
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;/* _tx_thread_interrupt_control Cortex-M4/IAR */
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;/* 6.0.1 */
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;/* 6.0.2 */
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;/* AUTHOR */
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;/* */
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;/* William E. Lamie, Microsoft Corporation */
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@@ -67,6 +59,9 @@
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;/* DATE NAME DESCRIPTION */
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;/* */
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;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
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;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
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;/* whitespace, resulting */
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;/* in version 6.0.2 */
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;/* */
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;/**************************************************************************/
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;UINT _tx_thread_interrupt_control(UINT new_posture)
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@@ -83,4 +78,3 @@ _tx_thread_interrupt_control:
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;
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;}
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END
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@@ -20,23 +20,15 @@
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;/**************************************************************************/
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;/**************************************************************************/
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;
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;#define TX_SOURCE_CODE
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;
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;
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;/* Include necessary system files. */
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;
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;#include "tx_api.h"
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;#include "tx_thread.h"
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;
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;
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SECTION `.text`:CODE:NOROOT(2)
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THUMB
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SECTION `.text`:CODE:NOROOT(2)
|
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THUMB
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;/**************************************************************************/
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||||
;/* */
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||||
;/* FUNCTION RELEASE */
|
||||
;/* */
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;/* _tx_thread_interrupt_restore Cortex-M4/IAR */
|
||||
;/* 6.0.1 */
|
||||
;/* 6.0.2 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
@@ -67,6 +59,9 @@
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
|
||||
;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
|
||||
;/* whitespace, resulting */
|
||||
;/* in version 6.0.2 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;UINT _tx_thread_interrupt_disable(UINT new_posture)
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||||
|
||||
@@ -20,23 +20,15 @@
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;
|
||||
;
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_interrupt_restore Cortex-M4/IAR */
|
||||
;/* 6.0.1 */
|
||||
;/* 6.0.2 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
@@ -67,6 +59,9 @@
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
|
||||
;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
|
||||
;/* whitespace, resulting */
|
||||
;/* in version 6.0.2 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_interrupt_restore(UINT new_posture)
|
||||
|
||||
@@ -21,32 +21,23 @@
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
EXTERN _tx_thread_current_ptr
|
||||
EXTERN _tx_thread_execute_ptr
|
||||
EXTERN _tx_timer_time_slice
|
||||
EXTERN _tx_thread_system_stack_ptr
|
||||
EXTERN _tx_execution_thread_enter
|
||||
EXTERN _tx_execution_thread_exit
|
||||
EXTERN _tx_thread_preempt_disable
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;#include "tx_timer.h"
|
||||
;
|
||||
EXTERN _tx_thread_current_ptr
|
||||
EXTERN _tx_thread_execute_ptr
|
||||
EXTERN _tx_timer_time_slice
|
||||
EXTERN _tx_thread_system_stack_ptr
|
||||
EXTERN _tx_execution_thread_enter
|
||||
EXTERN _tx_execution_thread_exit
|
||||
EXTERN _tx_thread_preempt_disable
|
||||
;
|
||||
;
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_schedule Cortex-M4/IAR */
|
||||
;/* 6.0.1 */
|
||||
;/* 6.0.2 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
@@ -80,6 +71,9 @@
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
|
||||
;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
|
||||
;/* whitespace, resulting */
|
||||
;/* in version 6.0.2 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_schedule(VOID)
|
||||
@@ -92,7 +86,7 @@ _tx_thread_schedule:
|
||||
; from the PendSV handling routines below. */
|
||||
;
|
||||
; /* Clear the preempt-disable flag to enable rescheduling after initialization on Cortex-M targets. */
|
||||
;
|
||||
;
|
||||
MOV r0, #0 ; Build value for TX_FALSE
|
||||
LDR r2, =_tx_thread_preempt_disable ; Build address of preempt disable flag
|
||||
STR r0, [r2, #0] ; Clear preempt disable flag
|
||||
@@ -101,14 +95,14 @@ _tx_thread_schedule:
|
||||
;
|
||||
#ifdef __ARMVFP__
|
||||
MRS r0, CONTROL ; Pickup current CONTROL register
|
||||
BIC r0, r0, #4 ; Clear the FPCA bit
|
||||
BIC r0, r0, #4 ; Clear the FPCA bit
|
||||
MSR CONTROL, r0 ; Setup new CONTROL register
|
||||
#endif
|
||||
;
|
||||
; /* Enable interrupts */
|
||||
;
|
||||
CPSIE i
|
||||
;
|
||||
;
|
||||
; /* Enter the scheduler for the first time. */
|
||||
;
|
||||
MOV r0, #0x10000000 ; Load PENDSVSET bit
|
||||
@@ -118,21 +112,21 @@ _tx_thread_schedule:
|
||||
ISB ; Flush pipeline
|
||||
;
|
||||
; /* Wait here for the PendSV to take place. */
|
||||
;
|
||||
;
|
||||
__tx_wait_here:
|
||||
B __tx_wait_here ; Wait for the PendSV to happen
|
||||
;}
|
||||
;
|
||||
; /* Generic context PendSV handler. */
|
||||
;
|
||||
;
|
||||
PUBLIC PendSV_Handler
|
||||
PUBLIC __tx_PendSVHandler
|
||||
PendSV_Handler:
|
||||
__tx_PendSVHandler:
|
||||
;
|
||||
; /* Get current thread value and new thread pointer. */
|
||||
;
|
||||
__tx_ts_handler:
|
||||
;
|
||||
__tx_ts_handler:
|
||||
|
||||
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
|
||||
;
|
||||
@@ -150,7 +144,7 @@ __tx_ts_handler:
|
||||
LDR r1, [r0] ; Pickup current thread pointer
|
||||
;
|
||||
; /* Determine if there is a current thread to finish preserving. */
|
||||
;
|
||||
;
|
||||
CBZ r1, __tx_ts_new ; If NULL, skip preservation
|
||||
;
|
||||
; /* Recover PSP and preserve current thread context. */
|
||||
@@ -181,7 +175,7 @@ _skip_vfp_save:
|
||||
;
|
||||
STR r3, [r4] ; Clear time-slice
|
||||
;
|
||||
;
|
||||
;
|
||||
; /* Executing thread is now completely preserved!!! */
|
||||
;
|
||||
__tx_ts_new:
|
||||
@@ -225,7 +219,7 @@ __tx_ts_restore:
|
||||
LDMIA r12!, {LR} ; Pickup LR
|
||||
#ifdef __ARMVFP__
|
||||
TST LR, #0x10 ; Determine if the VFP extended frame is present
|
||||
BNE _skip_vfp_restore ; If not, skip VFP restore
|
||||
BNE _skip_vfp_restore ; If not, skip VFP restore
|
||||
VLDMIA r12!, {s16-s31} ; Yes, restore additional VFP registers
|
||||
_skip_vfp_restore:
|
||||
#endif
|
||||
@@ -233,11 +227,11 @@ _skip_vfp_restore:
|
||||
MSR PSP, r12 ; Setup the thread's stack pointer
|
||||
;
|
||||
; /* Return to thread. */
|
||||
;
|
||||
;
|
||||
BX lr ; Return to thread!
|
||||
;
|
||||
; /* The following is the idle wait processing... in this case, no threads are ready for execution and the
|
||||
; system will simply be idle until an interrupt occurs that makes a thread ready. Note that interrupts
|
||||
; system will simply be idle until an interrupt occurs that makes a thread ready. Note that interrupts
|
||||
; are disabled to allow use of WFI for waiting for a thread to arrive. */
|
||||
;
|
||||
__tx_ts_wait:
|
||||
@@ -253,16 +247,16 @@ __tx_ts_wait:
|
||||
CPSIE i ; Enable interrupts
|
||||
B __tx_ts_wait ; Loop to continue waiting
|
||||
;
|
||||
; /* At this point, we have a new thread ready to go. Clear any newly pended PendSV - since we are
|
||||
; /* At this point, we have a new thread ready to go. Clear any newly pended PendSV - since we are
|
||||
; already in the handler! */
|
||||
;
|
||||
__tx_ts_ready:
|
||||
MOV r7, #0x08000000 ; Build clear PendSV value
|
||||
MOV r8, #0xE000E000 ; Build base NVIC address
|
||||
STR r7, [r8, #0xD04] ; Clear any PendSV
|
||||
STR r7, [r8, #0xD04] ; Clear any PendSV
|
||||
;
|
||||
; /* Re-enable interrupts and restore new thread. */
|
||||
;
|
||||
;
|
||||
CPSIE i ; Enable interrupts
|
||||
B __tx_ts_restore ; Restore the thread
|
||||
;}
|
||||
@@ -272,7 +266,7 @@ __tx_ts_ready:
|
||||
PUBLIC tx_thread_fpu_enable
|
||||
tx_thread_fpu_enable:
|
||||
;
|
||||
; /* Automatic VPF logic is supported, this function is present only for
|
||||
; /* Automatic VPF logic is supported, this function is present only for
|
||||
; backward compatibility purposes and therefore simply returns. */
|
||||
;
|
||||
BX LR ; Return to caller
|
||||
@@ -280,7 +274,7 @@ tx_thread_fpu_enable:
|
||||
PUBLIC tx_thread_fpu_disable
|
||||
tx_thread_fpu_disable:
|
||||
;
|
||||
; /* Automatic VPF logic is supported, this function is present only for
|
||||
; /* Automatic VPF logic is supported, this function is present only for
|
||||
; backward compatibility purposes and therefore simply returns. */
|
||||
;
|
||||
BX LR ; Return to caller
|
||||
@@ -288,4 +282,3 @@ tx_thread_fpu_disable:
|
||||
#endif
|
||||
|
||||
END
|
||||
|
||||
|
||||
@@ -21,23 +21,14 @@
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;
|
||||
;
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_stack_build Cortex-M4/IAR */
|
||||
;/* 6.0.1 */
|
||||
;/* 6.0.2 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
@@ -70,6 +61,9 @@
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
|
||||
;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
|
||||
;/* whitespace, resulting */
|
||||
;/* in version 6.0.2 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
|
||||
@@ -77,11 +71,11 @@
|
||||
PUBLIC _tx_thread_stack_build
|
||||
_tx_thread_stack_build:
|
||||
;
|
||||
;
|
||||
;
|
||||
; /* Build a fake interrupt frame. The form of the fake interrupt stack
|
||||
; on the Cortex-M should look like the following after it is built:
|
||||
;
|
||||
; Stack Top:
|
||||
;
|
||||
; Stack Top:
|
||||
; LR Interrupted LR (LR at time of PENDSV)
|
||||
; r4 Initial value for r4
|
||||
; r5 Initial value for r5
|
||||
@@ -141,4 +135,3 @@ _tx_thread_stack_build:
|
||||
BX lr ; Return to caller
|
||||
;}
|
||||
END
|
||||
|
||||
|
||||
@@ -20,25 +20,15 @@
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_thread.h"
|
||||
;#include "tx_timer.h"
|
||||
;
|
||||
;
|
||||
;
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_thread_system_return Cortex-M4/IAR */
|
||||
;/* 6.0.1 */
|
||||
;/* 6.0.2 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
@@ -71,6 +61,9 @@
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
|
||||
;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
|
||||
;/* whitespace, resulting */
|
||||
;/* in version 6.0.2 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_thread_system_return(VOID)
|
||||
@@ -79,9 +72,9 @@
|
||||
_tx_thread_system_return??rA:
|
||||
_tx_thread_system_return:
|
||||
;
|
||||
; /* Return to real scheduler via PendSV. Note that this routine is often
|
||||
; /* Return to real scheduler via PendSV. Note that this routine is often
|
||||
; replaced with in-line assembly in tx_port.h to improved performance. */
|
||||
;
|
||||
;
|
||||
MOV r0, #0x10000000 ; Load PENDSVSET bit
|
||||
MOV r1, #0xE000E000 ; Load NVIC base
|
||||
STR r0, [r1, #0xD04] ; Set PENDSVBIT in ICSR
|
||||
@@ -92,7 +85,6 @@ _tx_thread_system_return:
|
||||
CPSIE i ; Enable interrupts
|
||||
MSR PRIMASK, r1 ; Restore original interrupt posture
|
||||
_isr_context:
|
||||
BX lr ; Return to caller
|
||||
BX lr ; Return to caller
|
||||
;}
|
||||
END
|
||||
|
||||
END
|
||||
|
||||
@@ -20,17 +20,6 @@
|
||||
;/**************************************************************************/
|
||||
;/**************************************************************************/
|
||||
;
|
||||
;#define TX_SOURCE_CODE
|
||||
;
|
||||
;
|
||||
;/* Include necessary system files. */
|
||||
;
|
||||
;#include "tx_api.h"
|
||||
;#include "tx_timer.h"
|
||||
;#include "tx_thread.h"
|
||||
;
|
||||
;
|
||||
;Define Assembly language external references...
|
||||
;
|
||||
EXTERN _tx_timer_time_slice
|
||||
EXTERN _tx_timer_system_clock
|
||||
@@ -46,14 +35,14 @@
|
||||
EXTERN _tx_thread_preempt_disable
|
||||
;
|
||||
;
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
SECTION `.text`:CODE:NOROOT(2)
|
||||
THUMB
|
||||
;/**************************************************************************/
|
||||
;/* */
|
||||
;/* FUNCTION RELEASE */
|
||||
;/* */
|
||||
;/* _tx_timer_interrupt Cortex-M4/IAR */
|
||||
;/* 6.0.1 */
|
||||
;/* 6.0.2 */
|
||||
;/* AUTHOR */
|
||||
;/* */
|
||||
;/* William E. Lamie, Microsoft Corporation */
|
||||
@@ -87,6 +76,9 @@
|
||||
;/* DATE NAME DESCRIPTION */
|
||||
;/* */
|
||||
;/* 06-30-2020 William E. Lamie Initial Version 6.0.1 */
|
||||
;/* 08-14-2020 Scott Larson Modified comment(s), clean up */
|
||||
;/* whitespace, resulting */
|
||||
;/* in version 6.0.2 */
|
||||
;/* */
|
||||
;/**************************************************************************/
|
||||
;VOID _tx_timer_interrupt(VOID)
|
||||
@@ -109,7 +101,7 @@ _tx_timer_interrupt:
|
||||
; if (_tx_timer_time_slice)
|
||||
; {
|
||||
;
|
||||
MOV32 r3, _tx_timer_time_slice ; Pickup address of time-slice
|
||||
MOV32 r3, _tx_timer_time_slice ; Pickup address of time-slice
|
||||
LDR r2, [r3, #0] ; Pickup time-slice
|
||||
CBZ r2, __tx_timer_no_time_slice ; Is it non-active?
|
||||
; Yes, skip time-slice processing
|
||||
@@ -226,13 +218,13 @@ __tx_timer_dont_activate:
|
||||
; if (_tx_timer_expired_time_slice)
|
||||
; {
|
||||
;
|
||||
MOV32 r3, _tx_timer_expired_time_slice ; Pickup addr of time-slice expired
|
||||
MOV32 r3, _tx_timer_expired_time_slice ; Pickup addr of time-slice expired
|
||||
LDR r2, [r3, #0] ; Pickup the actual flag
|
||||
CBZ r2, __tx_timer_not_ts_expiration ; See if the flag is set
|
||||
; No, skip time-slice processing
|
||||
;
|
||||
; /* Time slice interrupted thread. */
|
||||
; _tx_thread_time_slice();
|
||||
; _tx_thread_time_slice();
|
||||
|
||||
BL _tx_thread_time_slice ; Call time-slice processing
|
||||
MOV32 r0, _tx_thread_preempt_disable ; Build address of preempt disable flag
|
||||
@@ -265,4 +257,3 @@ __tx_timer_nothing_expired:
|
||||
;
|
||||
;}
|
||||
END
|
||||
|
||||
|
||||
Reference in New Issue
Block a user