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Release 6.1.9

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This commit is contained in:
Yuxin Zhou
2021-10-14 00:51:26 +00:00
parent 215df45d4b
commit 1af8404c54
1812 changed files with 60698 additions and 249862 deletions
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103
ports/arc_hs/metaware/src/tx_timer_interrupt.s
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@@ -8,67 +8,56 @@
;/* and in the root directory of this software. */
;/* */
;/**************************************************************************/
;
;
;/**************************************************************************/
;/**************************************************************************/
;/** */
;/** 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"
;
;
;/**************************************************************************/
;/* */
;/* FUNCTION RELEASE */
;/* */
;/**************************************************************************/
;/* */
;/* FUNCTION RELEASE */
;/* */
;/* _tx_timer_interrupt ARC_HS/MetaWare */
;/* 6.1.3 */
;/* 6.1.9 */
;/* 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 Process timer expiration */
;/* _tx_thread_time_slice Time slice interrupted thread */
;/* _tx_thread_context_save Save interrupt context */
;/* _tx_thread_context_restore Restore interrupt context */
;/* */
;/* 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 Process timer expiration */
;/* _tx_thread_time_slice Time slice interrupted thread */
;/* _tx_thread_context_save Save interrupt context */
;/* _tx_thread_context_restore Restore interrupt context */
;/* */
;/* CALLED BY */
;/* */
;/* interrupt vector */
;/* */
;/* RELEASE HISTORY */
;/* */
;/* DATE NAME DESCRIPTION */
;/* */
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
@@ -76,12 +65,16 @@
;/* unneeded load of */
;/* _tx_thread_preempt_disable, */
;/* resulting in version 6.1.3 */
;/* 10-15-2021 Yuxin Zhou Modified comment(s), and */
;/* fixed possible race */
;/* condition on preemption */
;/* resulting in version 6.1.9 */
;/* */
;/**************************************************************************/
;VOID _tx_timer_interrupt(VOID)
;{
.global _tx_timer_interrupt
.type _tx_timer_interrupt, @function
.type _tx_timer_interrupt, @function
_tx_timer_interrupt:
;
; /* Upon entry to this routine, it is assumed the interrupt stack frame has
@@ -132,7 +125,7 @@ __tx_timer_no_time_slice:
;
ld r0, [gp, _tx_timer_current_ptr@sda] ; Pickup current timer pointer
ld r2, [r0, 0] ; Pickup examine actual list entry
breq r2, 0, __tx_timer_no_timer ;
breq r2, 0, __tx_timer_no_timer ;
; If NULL, no timer has expired, just move to the next entry
;
; /* Set expiration flag. */
@@ -175,6 +168,10 @@ __tx_timer_done:
; /* See if anything has expired. */
; if ((_tx_timer_expired_time_slice) || (_tx_timer_expired))
; {
;
ld r0, [gp, _tx_thread_current_ptr@sda]
ld r2, [gp, _tx_thread_execute_ptr@sda]
brne r0, r2, __tx_something_expired
;
breq r1, 0, __tx_timer_nothing_expired ; If 0, nothing has expired
;
@@ -220,7 +217,7 @@ __tx_timer_dont_activate:
;
__tx_timer_not_ts_expiration:
;
st 0, [gp, _tx_timer_expired_time_slice@sda]
st 0, [gp, _tx_timer_expired_time_slice@sda]
b _tx_thread_context_restore ; Go restore interrupt context..
; ..clearing time-slice expired flag
; Note that we don't return from
@@ -233,9 +230,9 @@ __tx_timer_nothing_expired:
ld r0, [sp, 0] ; Recover r0
ld r1, [sp, 4] ; Recover r1
ld r2, [sp, 8] ; Recover r2
add sp, sp, 160 ; Recover interrupt stack frame
add sp, sp, 160 ; Recover interrupt stack frame
rtie ; Return to point of interrupt
;
;}
.end