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Release 6.1.10

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This commit is contained in:
Yuxin Zhou
2022-01-29 00:24:03 +00:00
parent b216ceb25e
commit f7f0957188
3111 changed files with 495735 additions and 40800 deletions
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95
ports/cortex_a35/ac6/src/tx_initialize_low_level.S
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Initialize */
/** */
@@ -21,63 +21,53 @@
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_initialize.h"
#include "tx_thread.h"
#include "tx_timer.h"
*/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_initialize_low_level Cortex-A35/AC6 */
/* 6.1 */
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_initialize_low_level ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for any low-level processor */
/* initialization, including setting up interrupt vectors, setting */
/* up a periodic timer interrupt source, saving the system stack */
/* pointer for use in ISR processing later, and finding the first */
/* available RAM memory address for tx_application_define. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry function */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function is responsible for any low-level processor */
/* initialization, including setting up interrupt vectors, setting */
/* up a periodic timer interrupt source, saving the system stack */
/* pointer for use in ISR processing later, and finding the first */
/* available RAM memory address for tx_application_define. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry function */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
/* VOID _tx_initialize_low_level(VOID)
{ */
// VOID _tx_initialize_low_level(VOID)
// {
.global _tx_initialize_low_level
.type _tx_initialize_low_level, @function
_tx_initialize_low_level:
@@ -86,15 +76,16 @@ _tx_initialize_low_level:
/* Save the system stack pointer. */
/* _tx_thread_system_stack_ptr = (VOID_PTR) (sp); */
// _tx_thread_system_stack_ptr = (VOID_PTR) (sp);
LDR x0, =_tx_thread_system_stack_ptr // Pickup address of system stack ptr
MOV x1, sp // Pickup SP
SUB x1, x1, #15 //
BIC x1, x1, #0xF // Get 16-bit alignment
STR x1, [x0] // Store system stack
/* Save the first available memory address. */
/* _tx_initialize_unused_memory = (VOID_PTR) Image$$ZI$$Limit; */
// _tx_initialize_unused_memory = (VOID_PTR) Image$$ZI$$Limit;
LDR x0, =_tx_initialize_unused_memory // Pickup address of unused memory ptr
LDR x1, =zi_limit // Pickup unused memory address
@@ -104,7 +95,7 @@ _tx_initialize_low_level:
/* Done, return to caller. */
RET // Return to caller
/* } */
// }
zi_limit:

126
ports/cortex_a35/ac6/src/tx_thread_context_restore.S
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
@@ -21,66 +21,50 @@
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
#include "tx_timer.h"
*/
/* .set ENABLE_ARM_FP,1 */
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore Cortex-A35/AC6 */
/* 6.1.9 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_restore ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function restores the interrupt context if it is processing a */
/* nested interrupt. If not, it returns to the interrupt thread if no */
/* preemption is necessary. Otherwise, if preemption is necessary or */
/* if no thread was running, the function returns to the scheduler. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling routine */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function restores the interrupt context if it is processing a */
/* nested interrupt. If not, it returns to the interrupt thread if no */
/* preemption is necessary. Otherwise, if preemption is necessary or */
/* if no thread was running, the function returns to the scheduler. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling routine */
/* */
/* CALLED BY */
/* */
/* ISRs Interrupt Service Routines */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 10-15-2021 William E. Lamie Modified comment(s), added */
/* execution profile support, */
/* resulting in version 6.1.9 */
/* */
/**************************************************************************/
/* VOID _tx_thread_context_restore(VOID)
{ */
// VOID _tx_thread_context_restore(VOID)
// {
.global _tx_thread_context_restore
.type _tx_thread_context_restore, @function
_tx_thread_context_restore:
@@ -97,19 +81,19 @@ _tx_thread_context_restore:
#endif
/* Determine if interrupts are nested. */
/* if (--_tx_thread_system_state)
{ */
// if (--_tx_thread_system_state)
// {
LDR x3, =_tx_thread_system_state // Pickup address of system state var
LDR w2, [x3, #0] // Pickup system state
SUB w2, w2, #1 // Decrement the counter
STR w2, [x3, #0] // Store the counter
STR w2, [x3, #0] // Store the counter
CMP w2, #0 // Was this the first interrupt?
BEQ __tx_thread_not_nested_restore // If so, not a nested restore
/* Interrupts are nested. */
/* Just recover the saved registers and return to the point of
/* Just recover the saved registers and return to the point of
interrupt. */
LDP x4, x5, [sp], #16 // Pickup saved SPSR/DAIF and ELR_EL
@@ -138,13 +122,13 @@ _tx_thread_context_restore:
LDP x29, x30, [sp], #16 // Recover x29, x30
ERET // Return to point of interrupt
/* } */
// }
__tx_thread_not_nested_restore:
/* Determine if a thread was interrupted and no preemption is required. */
/* else if (((_tx_thread_current_ptr) && (_tx_thread_current_ptr == _tx_thread_execute_ptr)
|| (_tx_thread_preempt_disable))
{ */
// else if (((_tx_thread_current_ptr) && (_tx_thread_current_ptr == _tx_thread_execute_ptr)
// || (_tx_thread_preempt_disable))
// {
LDR x1, =_tx_thread_current_ptr // Pickup address of current thread ptr
LDR x0, [x1, #0] // Pickup actual current thread pointer
@@ -166,7 +150,7 @@ __tx_thread_no_preempt_restore:
/* Restore interrupted thread or ISR. */
/* Pickup the saved stack pointer. */
/* sp = _tx_thread_current_ptr -> tx_thread_stack_ptr; */
// sp = _tx_thread_current_ptr -> tx_thread_stack_ptr;
LDR x4, [x0, #8] // Switch to thread stack pointer
MOV sp, x4 //
@@ -199,9 +183,9 @@ __tx_thread_no_preempt_restore:
LDP x29, x30, [sp], #16 // Recover x29, x30
ERET // Return to point of interrupt
/* }
else
{ */
// }
// else
// {
__tx_thread_preempt_restore:
LDR x4, [x0, #8] // Switch to thread stack pointer
@@ -249,22 +233,22 @@ _skip_fp_save:
/* Save the remaining time-slice and disable it. */
/* if (_tx_timer_time_slice)
{ */
// if (_tx_timer_time_slice)
// {
LDR x3, =_tx_timer_time_slice // Pickup time-slice variable address
LDR w2, [x3, #0] // Pickup time-slice
CMP w2, #0 // Is it active?
BEQ __tx_thread_dont_save_ts // No, don't save it
/* _tx_thread_current_ptr -> tx_thread_time_slice = _tx_timer_time_slice;
_tx_timer_time_slice = 0; */
// _tx_thread_current_ptr -> tx_thread_time_slice = _tx_timer_time_slice;
// _tx_timer_time_slice = 0;
STR w2, [x0, #36] // Save thread's time-slice
MOV w2, #0 // Clear value
STR w2, [x3, #0] // Disable global time-slice flag
/* } */
// }
__tx_thread_dont_save_ts:
@@ -275,9 +259,9 @@ __tx_thread_dont_save_ts:
STR x0, [x1, #0] // Clear current thread pointer
/* Return to the scheduler. */
/* _tx_thread_schedule(); */
// _tx_thread_schedule();
/* } */
// }
__tx_thread_idle_system_restore:
@@ -300,6 +284,4 @@ __tx_thread_idle_system_restore:
#endif
#endif
ERET // Return to scheduler
/* } */
// }

119
ports/cortex_a35/ac6/src/tx_thread_context_save.S
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
@@ -21,73 +21,60 @@
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
*/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save Cortex-A35/AC6 */
/* 6.1.9 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_context_save ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function saves the context of an executing thread in the */
/* beginning of interrupt processing. The function also ensures that */
/* the system stack is used upon return to the calling ISR. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function saves the context of an executing thread in the */
/* beginning of interrupt processing. The function also ensures that */
/* the system stack is used upon return to the calling ISR. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* ISRs */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 10-15-2021 William E. Lamie Modified comment(s), added */
/* execution profile support, */
/* resulting in version 6.1.9 */
/* */
/**************************************************************************/
/* VOID _tx_thread_context_save(VOID)
{ */
// VOID _tx_thread_context_save(VOID)
// {
.global _tx_thread_context_save
.type _tx_thread_context_save, @function
_tx_thread_context_save:
/* Upon entry to this routine, it is assumed that IRQ/FIQ interrupts are locked
out, x29 (frame pointer), x30 (link register) are saved, we are in EL1,
out, x29 (frame pointer), x30 (link register) are saved, we are in EL1,
and all other registers are intact. */
/* Check for a nested interrupt condition. */
/* if (_tx_thread_system_state++)
{ */
// if (_tx_thread_system_state++)
// {
STP x0, x1, [sp, #-16]! // Save x0, x1
STP x2, x3, [sp, #-16]! // Save x2, x3
@@ -140,18 +127,18 @@ _tx_thread_context_save:
RET // Return to ISR
__tx_thread_not_nested_save:
/* } */
// }
/* Otherwise, not nested, check to see if a thread was running. */
/* else if (_tx_thread_current_ptr)
{ */
// else if (_tx_thread_current_ptr)
// {
ADD w2, w2, #1 // Increment the interrupt counter
STR w2, [x3, #0] // Store it back in the variable
LDR x1, =_tx_thread_current_ptr // Pickup address of current thread ptr
LDR x0, [x1, #0] // Pickup current thread pointer
CMP x0, #0 // Is it NULL?
BEQ __tx_thread_idle_system_save // If so, interrupt occurred in
BEQ __tx_thread_idle_system_save // If so, interrupt occurred in
// scheduling loop - nothing needs saving!
/* Save minimal context of interrupted thread. */
@@ -179,19 +166,19 @@ __tx_thread_not_nested_save:
STP x4, x5, [sp, #-16]! // Save SPSR, ELR
/* Save the current stack pointer in the thread's control block. */
/* _tx_thread_current_ptr -> tx_thread_stack_ptr = sp; */
// _tx_thread_current_ptr -> tx_thread_stack_ptr = sp;
MOV x4, sp //
STR x4, [x0, #8] // Save thread stack pointer
/* Switch to the system stack. */
/* sp = _tx_thread_system_stack_ptr; */
// sp = _tx_thread_system_stack_ptr;
LDR x3, =_tx_thread_system_stack_ptr // Pickup address of system stack
LDR x3, =_tx_thread_system_stack_ptr // Pickup address of system stack
LDR x4, [x3, #0] // Pickup system stack pointer
MOV sp, x4 // Setup system stack pointer
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
/* Call the ISR enter function to indicate an ISR is executing. */
@@ -200,17 +187,17 @@ __tx_thread_not_nested_save:
LDP x29, x30, [sp], #16 // Recover x29, x30
#endif
RET // Return to caller
RET // Return to caller
/* }
else
{ */
// }
// else
// {
__tx_thread_idle_system_save:
/* Interrupt occurred in the scheduling loop. */
/* Not much to do here, just adjust the stack pointer, and return to IRQ
/* Not much to do here, just adjust the stack pointer, and return to IRQ
processing. */
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
@@ -223,9 +210,7 @@ __tx_thread_idle_system_save:
#endif
ADD sp, sp, #48 // Recover saved registers
RET // Continue IRQ processing
/* }
} */
RET // Continue IRQ processing
// }
// }

66
ports/cortex_a35/ac6/src/tx_thread_fp_disable.c
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
@@ -29,41 +29,43 @@
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_fp_disable Cortex-A35/AC6 */
/* 6.1 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_fp_disable ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function disables the FP for the currently executing thread. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function disables the FP for the currently executing thread. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
VOID _tx_thread_fp_disable(VOID)
@@ -82,14 +84,14 @@ ULONG system_state;
/* Make sure it is not NULL. */
if (thread_ptr != TX_NULL)
{
/* Thread is running... make sure the call is from the thread context. */
if (system_state == 0)
{
/* Yes, now set the FP enable flag to false in the TX_THREAD structure. */
thread_ptr -> tx_thread_fp_enable = TX_FALSE;
}
}
}
}

67
ports/cortex_a35/ac6/src/tx_thread_fp_enable.c
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
@@ -28,42 +28,43 @@
#include "tx_api.h"
#include "tx_thread.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_fp_enable Cortex-A35/AC6 */
/* 6.1 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_fp_enable ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function enabled the FP for the currently executing thread. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function enabled the FP for the currently executing thread. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
VOID _tx_thread_fp_enable(VOID)
@@ -82,14 +83,14 @@ ULONG system_state;
/* Make sure it is not NULL. */
if (thread_ptr != TX_NULL)
{
/* Thread is running... make sure the call is from the thread context. */
if (system_state == 0)
{
/* Yes, now setup the FP enable flag in the TX_THREAD structure. */
thread_ptr -> tx_thread_fp_enable = TX_TRUE;
}
}
}
}

82
ports/cortex_a35/ac6/src/tx_thread_interrupt_control.S
View File

@@ -12,66 +12,59 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/*#define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
*/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control Cortex-A35/AC6 */
/* 6.1 */
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_control ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function is responsible for changing the interrupt lockout */
/* posture of the system. */
/* */
/* INPUT */
/* */
/* new_posture New interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
/* UINT _tx_thread_interrupt_control(UINT new_posture)
{ */
// UINT _tx_thread_interrupt_control(UINT new_posture)
// {
.global _tx_thread_interrupt_control
.type _tx_thread_interrupt_control, @function
_tx_thread_interrupt_control:
@@ -85,5 +78,4 @@ _tx_thread_interrupt_control:
MSR DAIF, x0 // Set new interrupt posture
MOV x0, x1 // Setup return value
RET // Return to caller
/* } */
// }

80
ports/cortex_a35/ac6/src/tx_thread_interrupt_disable.S
View File

@@ -12,65 +12,58 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
*/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable Cortex-A35/AC6 */
/* 6.1 */
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_disable ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is responsible for disabling interrupts */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function is responsible for disabling interrupts */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
/* UINT _tx_thread_interrupt_disable(void)
{ */
// UINT _tx_thread_interrupt_disable(void)
// {
.global _tx_thread_interrupt_disable
.type _tx_thread_interrupt_disable, @function
_tx_thread_interrupt_disable:
@@ -83,5 +76,4 @@ _tx_thread_interrupt_disable:
MSR DAIFSet, 0x3 // Lockout interrupts
RET // Return to caller
/* } */
// }

78
ports/cortex_a35/ac6/src/tx_thread_interrupt_restore.S
View File

@@ -12,66 +12,59 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
*/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore Cortex-A35/AC6 */
/* 6.1 */
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_interrupt_restore ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* */
/* This function is responsible for restoring interrupts to the state */
/* returned by a previous _tx_thread_interrupt_disable call. */
/* */
/* INPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* INPUT */
/* */
/* old_posture Old interrupt lockout posture */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
/* UINT _tx_thread_interrupt_restore(UINT old_posture)
{ */
// UINT _tx_thread_interrupt_restore(UINT old_posture)
// {
.global _tx_thread_interrupt_restore
.type _tx_thread_interrupt_restore, @function
_tx_thread_interrupt_restore:
@@ -81,5 +74,4 @@ _tx_thread_interrupt_restore:
MSR DAIF, x0 // Setup the old posture
RET // Return to caller
/* } */
// }

119
ports/cortex_a35/ac6/src/tx_thread_schedule.S
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
@@ -21,67 +21,54 @@
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
#include "tx_timer.h"
*/
/* .set ENABLE_ARM_FP,1 */
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_schedule Cortex-A35/AC6 */
/* 6.1.9 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_schedule ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function waits for a thread control block pointer to appear in */
/* the _tx_thread_execute_ptr variable. Once a thread pointer appears */
/* in the variable, the corresponding thread is resumed. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* */
/* This function waits for a thread control block pointer to appear in */
/* the _tx_thread_execute_ptr variable. Once a thread pointer appears */
/* in the variable, the corresponding thread is resumed. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry function */
/* _tx_thread_system_return Return to system from thread */
/* _tx_thread_context_restore Restore thread's context */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_kernel_enter ThreadX entry function */
/* _tx_thread_system_return Return to system from thread */
/* _tx_thread_context_restore Restore thread's context */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 10-15-2021 William E. Lamie Modified comment(s), added */
/* execution profile support, */
/* resulting in version 6.1.9 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* added ARMv8.2-A support, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
/* VOID _tx_thread_schedule(VOID)
{ */
// VOID _tx_thread_schedule(VOID)
// {
.global _tx_thread_schedule
.type _tx_thread_schedule, @function
_tx_thread_schedule:
@@ -91,17 +78,17 @@ _tx_thread_schedule:
MSR DAIFClr, 0x3 // Enable interrupts
/* Wait for a thread to execute. */
/* do
{ */
// do
// {
LDR x1, =_tx_thread_execute_ptr // Address of thread execute ptr
#ifdef TX_ENABLE_WFI
__tx_thread_schedule_loop:
LDR x0, [x1, #0] // Pickup next thread to execute
CMP x0, #0 // Is it NULL?
BNE _tx_thread_schedule_thread //
WFI //
BNE _tx_thread_schedule_thread //
WFI //
B __tx_thread_schedule_loop // Keep looking for a thread
_tx_thread_schedule_thread:
#else
@@ -111,22 +98,22 @@ __tx_thread_schedule_loop:
BEQ __tx_thread_schedule_loop // If so, keep looking for a thread
#endif
/* }
while(_tx_thread_execute_ptr == TX_NULL); */
// }
// while(_tx_thread_execute_ptr == TX_NULL);
/* Yes! We have a thread to execute. Lockout interrupts and
transfer control to it. */
MSR DAIFSet, 0x3 // Lockout interrupts
/* Setup the current thread pointer. */
/* _tx_thread_current_ptr = _tx_thread_execute_ptr; */
// _tx_thread_current_ptr = _tx_thread_execute_ptr;
LDR x1, =_tx_thread_current_ptr // Pickup address of current thread
LDR x1, =_tx_thread_current_ptr // Pickup address of current thread
STR x0, [x1, #0] // Setup current thread pointer
/* Increment the run count for this thread. */
/* _tx_thread_current_ptr -> tx_thread_run_count++; */
// _tx_thread_current_ptr -> tx_thread_run_count++;
LDR w2, [x0, #4] // Pickup run counter
LDR w3, [x0, #36] // Pickup time-slice for this thread
@@ -134,9 +121,9 @@ __tx_thread_schedule_loop:
STR w2, [x0, #4] // Store the new run counter
/* Setup time-slice, if present. */
/* _tx_timer_time_slice = _tx_thread_current_ptr -> tx_thread_time_slice; */
// _tx_timer_time_slice = _tx_thread_current_ptr -> tx_thread_time_slice;
LDR x2, =_tx_timer_time_slice // Pickup address of time slice
LDR x2, =_tx_timer_time_slice // Pickup address of time slice
// variable
LDR x4, [x0, #8] // Switch stack pointers
MOV sp, x4 //
@@ -152,7 +139,7 @@ __tx_thread_schedule_loop:
#endif
/* Switch to the thread's stack. */
/* sp = _tx_thread_execute_ptr -> tx_thread_stack_ptr; */
// sp = _tx_thread_execute_ptr -> tx_thread_stack_ptr;
/* Determine if an interrupt frame or a synchronous task suspension frame
is present. */
@@ -237,7 +224,5 @@ _skip_solicited_fp_restore:
LDP x19, x20, [sp], #16 // Recover x19, x20
LDP x29, x30, [sp], #16 // Recover x29, x30
MSR DAIF, x4 // Recover DAIF
RET // Return to caller
/* } */
RET // Return to caller
// }

86
ports/cortex_a35/ac6/src/tx_thread_stack_build.S
View File

@@ -12,8 +12,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
@@ -21,69 +21,59 @@
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
*/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_build Cortex-A35/AC6 */
/* 6.1 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_stack_build ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* */
/* This function builds a stack frame on the supplied thread's stack. */
/* The stack frame results in a fake interrupt return to the supplied */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread control blk */
/* function_ptr Pointer to return function */
/* */
/* OUTPUT */
/* */
/* function pointer. */
/* */
/* INPUT */
/* */
/* thread_ptr Pointer to thread */
/* function_ptr Pointer to entry function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* */
/* CALLED BY */
/* */
/* _tx_thread_create Create thread service */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 01-31-2022 Andres Mlinar Updated comments, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
/* VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
{ */
// VOID _tx_thread_stack_build(TX_THREAD *thread_ptr, VOID (*function_ptr)(VOID))
// {
.global _tx_thread_stack_build
.type _tx_thread_stack_build, @function
_tx_thread_stack_build:
/* Build a fake interrupt frame. The form of the fake interrupt stack
on the Cortex-A5x should look like the following after it is built:
/* Build an interrupt frame. On Cortex-A35 it should look like this:
Stack Top: SSPR Initial SSPR
ELR Point of interrupt
x28 Initial value for x28
@@ -129,7 +119,7 @@ _tx_thread_stack_build:
MOV x2, #0 // Build clear value
MOV x3, #0 //
STP x2, x3, [x4, #-16]! // Set backtrace to 0
STP x2, x3, [x4, #-16]! // Set initial x29, x30
STP x2, x3, [x4, #-16]! // Set initial x0, x1
@@ -160,11 +150,9 @@ _tx_thread_stack_build:
STP x2, x3, [x4, #-16]! // Set initial SPSR & ELR
/* Setup stack pointer. */
/* thread_ptr -> tx_thread_stack_ptr = x2; */
// thread_ptr -> tx_thread_stack_ptr = x2;
STR x4, [x0, #8] // Save stack pointer in thread's
RET // Return to caller
/* } */
// }

109
ports/cortex_a35/ac6/src/tx_thread_system_return.S
View File

@@ -12,80 +12,65 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
/**************************************************************************/
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_thread.h"
#include "tx_timer.h"
*/
/* .set ENABLE_ARM_FP,1 */
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_system_return Cortex-A35/AC6 */
/* 6.1.9 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_thread_system_return ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function is target processor specific. It is used to transfer */
/* control from a thread back to the ThreadX system. Only a */
/* minimal context is saved since the compiler assumes temp registers */
/* are going to get slicked by a function call anyway. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling loop */
/* */
/* CALLED BY */
/* */
/* ThreadX components */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function is target processor specific. It is used to transfer */
/* control from a thread back to the ThreadX system. Only a */
/* minimal context is saved since the compiler assumes temp registers */
/* are going to get slicked by a function call anyway. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_thread_schedule Thread scheduling loop */
/* */
/* CALLED BY */
/* */
/* ThreadX components */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* 10-15-2021 William E. Lamie Modified comment(s), added */
/* execution profile support, */
/* resulting in version 6.1.9 */
/* */
/**************************************************************************/
/* VOID _tx_thread_system_return(VOID)
{ */
// VOID _tx_thread_system_return(VOID)
// {
.global _tx_thread_system_return
.type _tx_thread_system_return, @function
_tx_thread_system_return:
;
; /* Save minimal context on the stack. */
;
/* Save minimal context on the stack. */
MRS x0, DAIF // Pickup DAIF
MSR DAIFSet, 0x3 // Lockout interrupts
STP x29, x30, [sp, #-16]! // Save x29 (frame pointer), x30 (link register)
@@ -129,8 +114,8 @@ _skip_fp_save:
LDR w1, [x2, #0] // Pickup current time slice
/* Save current stack and switch to system stack. */
/* _tx_thread_current_ptr -> tx_thread_stack_ptr = sp; */
/* sp = _tx_thread_system_stack_ptr; */
// _tx_thread_current_ptr -> tx_thread_stack_ptr = sp;
// sp = _tx_thread_system_stack_ptr;
MOV x4, sp //
STR x4, [x6, #8] // Save thread stack pointer
@@ -139,30 +124,28 @@ _skip_fp_save:
MOV sp, x4 // Setup system stack pointer
/* Determine if the time-slice is active. */
/* if (_tx_timer_time_slice)
{ */
// if (_tx_timer_time_slice)
// {
MOV x4, #0 // Build clear value
CMP w1, #0 // Is a time-slice active?
BEQ __tx_thread_dont_save_ts // No, don't save the time-slice
/* Save the current remaining time-slice. */
/* _tx_thread_current_ptr -> tx_thread_time_slice = _tx_timer_time_slice;
_tx_timer_time_slice = 0; */
// _tx_thread_current_ptr -> tx_thread_time_slice = _tx_timer_time_slice;
// _tx_timer_time_slice = 0;
STR w4, [x2, #0] // Clear time-slice
STR w1, [x6, #36] // Store current time-slice
/* } */
// }
__tx_thread_dont_save_ts:
/* Clear the current thread pointer. */
/* _tx_thread_current_ptr = TX_NULL; */
// _tx_thread_current_ptr = TX_NULL;
STR x4, [x5, #0] // Clear current thread pointer
B _tx_thread_schedule // Jump to scheduler!
/* } */
// }

134
ports/cortex_a35/ac6/src/tx_timer_interrupt.S
View File

@@ -12,71 +12,61 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Timer */
/** */
/**************************************************************************/
/**************************************************************************/
/* #define TX_SOURCE_CODE */
/* Include necessary system files. */
/*
#include "tx_api.h"
#include "tx_timer.h"
#include "tx_thread.h"
*/
.text
.align 3
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_timer_interrupt Cortex-A35/AC6 */
/* 6.1 */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_timer_interrupt ARMv8-A */
/* 6.1.10 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function processes the hardware timer interrupt. This */
/* processing includes incrementing the system clock and checking for */
/* time slice and/or timer expiration. If either is found, the */
/* interrupt context save/restore functions are called along with the */
/* expiration functions. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_timer_expiration_process Timer expiration processing */
/* _tx_thread_time_slice Time slice interrupted thread */
/* */
/* CALLED BY */
/* */
/* interrupt vector */
/* */
/* RELEASE HISTORY */
/* */
/* */
/* This function processes the hardware timer interrupt. This */
/* processing includes incrementing the system clock and checking for */
/* time slice and/or timer expiration. If either is found, the */
/* interrupt context save/restore functions are called along with the */
/* expiration functions. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _tx_timer_expiration_process Timer expiration processing */
/* _tx_thread_time_slice Time slice interrupted thread */
/* */
/* CALLED BY */
/* */
/* interrupt vector */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 William E. Lamie Initial Version 6.1 */
/* */
/**************************************************************************/
/* VOID _tx_timer_interrupt(VOID)
{ */
// VOID _tx_timer_interrupt(VOID)
// {
.global _tx_timer_interrupt
.type _tx_timer_interrupt, @function
_tx_timer_interrupt:
@@ -86,7 +76,7 @@ _tx_timer_interrupt:
for use. */
/* Increment the system clock. */
/* _tx_timer_system_clock++; */
// _tx_timer_system_clock++;
LDR x1, =_tx_timer_system_clock // Pickup address of system clock
LDR w0, [x1, #0] // Pickup system clock
@@ -97,7 +87,7 @@ _tx_timer_interrupt:
/* if (_tx_timer_time_slice)
{ */
LDR x3, =_tx_timer_time_slice // Pickup address of time-slice
LDR x3, =_tx_timer_time_slice // Pickup address of time-slice
LDR w2, [x3, #0] // Pickup time-slice
CMP w2, #0 // Is it non-active?
BEQ __tx_timer_no_time_slice // Yes, skip time-slice processing
@@ -126,8 +116,8 @@ _tx_timer_interrupt:
__tx_timer_no_time_slice:
/* Test for timer expiration. */
/* if (*_tx_timer_current_ptr)
{ */
// if (*_tx_timer_current_ptr)
// {
LDR x1, =_tx_timer_current_ptr // Pickup current timer pointer addr
LDR x0, [x1, #0] // Pickup current timer
@@ -136,25 +126,25 @@ __tx_timer_no_time_slice:
BEQ __tx_timer_no_timer // No, just increment the timer
/* Set expiration flag. */
/* _tx_timer_expired = TX_TRUE; */
// _tx_timer_expired = TX_TRUE;
LDR x3, =_tx_timer_expired // Pickup expiration flag address
MOV w2, #1 // Build expired value
STR w2, [x3, #0] // Set expired flag
B __tx_timer_done // Finished timer processing
/* }
else
{ */
// }
// else
// {
__tx_timer_no_timer:
/* No timer expired, increment the timer pointer. */
/* _tx_timer_current_ptr++; */
// _tx_timer_current_ptr++;
ADD x0, x0, #8 // Move to next timer
/* Check for wrap-around. */
/* if (_tx_timer_current_ptr == _tx_timer_list_end) */
// if (_tx_timer_current_ptr == _tx_timer_list_end)
LDR x3, =_tx_timer_list_end // Pickup addr of timer list end
LDR x2, [x3, #0] // Pickup list end
@@ -162,7 +152,7 @@ __tx_timer_no_timer:
BNE __tx_timer_skip_wrap // No, skip wrap-around logic
/* Wrap to beginning of list. */
/* _tx_timer_current_ptr = _tx_timer_list_start; */
// _tx_timer_current_ptr = _tx_timer_list_start;
LDR x3, =_tx_timer_list_start // Pickup addr of timer list start
LDR x0, [x3, #0] // Set current pointer to list start
@@ -170,14 +160,14 @@ __tx_timer_no_timer:
__tx_timer_skip_wrap:
STR x0, [x1, #0] // Store new current timer pointer
/* } */
// }
__tx_timer_done:
/* See if anything has expired. */
/* if ((_tx_timer_expired_time_slice) || (_tx_timer_expired))
{ */
// if ((_tx_timer_expired_time_slice) || (_tx_timer_expired))
//{
LDR x3, =_tx_timer_expired_time_slice // Pickup addr of expired flag
LDR w2, [x3, #0] // Pickup time-slice expired flag
@@ -194,8 +184,8 @@ __tx_something_expired:
STP x29, x30, [sp, #-16]! // Save x29 (frame pointer), x30 (link register)
/* Did a timer expire? */
/* if (_tx_timer_expired)
{ */
// if (_tx_timer_expired)
// {
LDR x1, =_tx_timer_expired // Pickup addr of expired flag
LDR w0, [x1, #0] // Pickup timer expired flag
@@ -203,38 +193,36 @@ __tx_something_expired:
BEQ __tx_timer_dont_activate // If not set, skip timer activation
/* Process timer expiration. */
/* _tx_timer_expiration_process(); */
// _tx_timer_expiration_process();
BL _tx_timer_expiration_process // Call the timer expiration handling routine
/* } */
// }
__tx_timer_dont_activate:
/* Did time slice expire? */
/* if (_tx_timer_expired_time_slice)
{ */
// if (_tx_timer_expired_time_slice)
// {
LDR x3, =_tx_timer_expired_time_slice // Pickup addr of time-slice expired
LDR x3, =_tx_timer_expired_time_slice // Pickup addr of time-slice expired
LDR w2, [x3, #0] // Pickup the actual flag
CMP w2, #0 // See if the flag is set
BEQ __tx_timer_not_ts_expiration // 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
/* } */
// }/
__tx_timer_not_ts_expiration:
LDP x29, x30, [sp], #16 // Recover x29, x30
/* } */
// }
__tx_timer_nothing_expired:
RET // Return to caller
/* } */
// }