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Clean up
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‎cortex-r5-sample/src/tx_initialize_low_level.S‎

Lines changed: 4 additions & 59 deletions
Original file line numberDiff line numberDiff line change
@@ -7,28 +7,6 @@
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@ *
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@ * SPDX-License-Identifier: MIT
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@ **************************************************************************/
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@
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@
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@/**************************************************************************/
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@/**************************************************************************/
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@/** */
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@/** ThreadX Component */
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@/** */
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@/** Initialize */
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@/** */
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@/**************************************************************************/
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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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.arm
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@@ -39,8 +17,7 @@ SYS_MODE = 0xDF @ Disable IRQ/FIQ SYS mode
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FIQ_STACK_SIZE = 512 @ FIQ stack size
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IRQ_STACK_SIZE = 1024 @ IRQ stack size
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SYS_STACK_SIZE = 1024 @ System stack size
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@
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@
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.global _tx_thread_system_stack_ptr
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.global _tx_initialize_unused_memory
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.global _tx_thread_context_save
@@ -50,11 +27,9 @@ SYS_STACK_SIZE = 1024 @ System stack size
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.global _sp
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.global _stack_bottom
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@
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@
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@/* Define the 16-bit Thumb mode veneer for _tx_initialize_low_level for
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@ applications calling this function from to 16-bit Thumb mode. */
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@
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@ * applications calling this function from to 16-bit Thumb mode.
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@ */
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.text
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.align 2
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.thumb
@@ -68,22 +43,9 @@ $_tx_initialize_low_level:
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BL _tx_initialize_low_level @ Call _tx_initialize_low_level function
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LDMFD sp!, {lr} @ Recover saved return address
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BX lr @ Return to 16-bit caller
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@
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@
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.text
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.align 2
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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-R5/GNU */
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@/* 6.1 */
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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 responsible for any low-level processor */
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@/* initialization, including setting up interrupt vectors, setting */
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@/* up a periodic timer interrupt source, saving the system stack */
@@ -105,14 +67,7 @@ $_tx_initialize_low_level:
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@/* CALLED BY */
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@/* */
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@/* _tx_initialize_kernel_enter ThreadX entry function */
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@/* */
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@/* RELEASE HISTORY */
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@/* */
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@/* DATE NAME DESCRIPTION */
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@/* */
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@/* 09-30-2020 William E. Lamie Initial Version 6.1 */
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@/* */
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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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.global _tx_initialize_low_level
@@ -126,7 +81,6 @@ _tx_initialize_low_level:
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LDR r1, =_sp @ Get pointer to stack area
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#ifdef TX_ENABLE_IRQ_NESTING
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@
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@ /* Setup the system mode stack for nested interrupt support */
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@
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LDR r2, =SYS_STACK_SIZE @ Pickup stack size
@@ -184,7 +138,6 @@ _stack_error_loop:
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#endif
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@}
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@
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@
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@/* Define shells for each of the interrupt vectors. */
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@
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.global __tx_undefined
@@ -235,7 +188,6 @@ __tx_irq_processing_return:
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/* Use Rust to handle the interrupt */
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BL handle_interrupt
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@
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@
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@ /* If interrupt nesting was started earlier, the end of interrupt nesting
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@ service must be called before returning to _tx_thread_context_restore.
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@ This routine returns in processing in IRQ mode with interrupts disabled. */
@@ -246,7 +198,6 @@ __tx_irq_processing_return:
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@ /* Jump to context restore to restore system context. */
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B _tx_thread_context_restore
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@
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@
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@ /* This is an example of a vectored IRQ handler. */
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@
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@ .global __tx_example_vectored_irq_handler
@@ -269,7 +220,6 @@ __tx_irq_processing_return:
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@ small code sequences where lr is saved before enabling interrupts and
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@ restored after interrupts are again disabled. */
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@
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@
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@ /* Interrupt nesting is allowed after calling _tx_thread_irq_nesting_start
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@ from IRQ mode with interrupts disabled. This routine switches to the
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@ system mode and returns with IRQ interrupts enabled.
@@ -292,7 +242,6 @@ __tx_irq_processing_return:
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@ /* Jump to context restore to restore system context. */
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@ B _tx_thread_context_restore
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@
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@
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#ifdef TX_ENABLE_FIQ_SUPPORT
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.global __tx_fiq_handler
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.global __tx_fiq_processing_return
@@ -333,11 +282,7 @@ __tx_fiq_handler:
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B __tx_fiq_handler @ FIQ interrupt handler
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#endif
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@
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@
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BUILD_OPTIONS:
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.word _tx_build_options @ Reference to bring in
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VERSION_ID:
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.word _tx_version_id @ Reference to bring in
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