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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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101
ports/rxv2/gnu/src/tx_timer_interrupt.S
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@@ -19,7 +19,19 @@
;/** */
;/**************************************************************************/
;/**************************************************************************/
;
;#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...
;
.global __tx_timer_time_slice
.global __tx_timer_system_clock
.global __tx_timer_current_ptr
@@ -31,14 +43,14 @@
.global __tx_thread_context_save
.global __tx_thread_time_slice
.global __tx_thread_context_restore
;
.SECTION P,CODE
;/**************************************************************************/
;/* */
;/* FUNCTION RELEASE */
;/* */
;/* _tx_timer_interrupt RXv2/GNURX */
;/* 6.1.3 */
;/* 6.1.9 */
;/* AUTHOR */
;/* */
;/* William E. Lamie, Microsoft Corporation */
@@ -74,7 +86,9 @@
;/* */
;/* DATE NAME DESCRIPTION */
;/* */
;/* 12-31-2020 William E. Lamie Initial Version 6.1.3 */
;/* 12-30-2020 William E. Lamie Initial Version 6.1.3 */
;/* 10-15-2021 William E. Lamie Modified comment(s), */
;/* resulting in version 6.1.9 */
;/* */
;/**************************************************************************/
;VOID _tx_timer_interrupt(VOID)
@@ -94,38 +108,38 @@ __tx_timer_interrupt:
PUSHM R14-R15
PUSHM R1-R5
MOV.L #__tx_timer_system_clock, R1 ; Pickup address of system clock
MOV.L [R1], R2 ; Pickup system clock
ADD #1, R2 ; Increment system clock
MOV.L R2,[R1] ; Store new system clock
MOV.L #__tx_timer_system_clock, R1 ; Pickup address of system clock
MOV.L [R1], R2 ; Pickup system clock
ADD #1, R2 ; Increment system clock
MOV.L R2,[R1] ; Store new system clock
;
; /* Test for time-slice expiration. */
; if (_tx_timer_time_slice)
; {
;
MOV.L #__tx_timer_time_slice, R1 ; Pickup address of time slice
MOV.L [R1], R2 ; Pickup the current time slice
CMP #0, R2 ; Is a time slice active?
BEQ __tx_timer_no_time_slice ; No, skip timer slice processing
MOV.L #__tx_timer_time_slice, R1 ; Pickup address of time slice
MOV.L [R1], R2 ; Pickup the current time slice
CMP #0, R2 ; Is a time slice active?
BEQ __tx_timer_no_time_slice ; No, skip timer slice processing
;
; /* Decrement the time_slice. */
; _tx_timer_time_slice--;
;
SUB #1, R2 ; Decrement the time-slice
MOV.L R2, [R1] ; Store time-slice
SUB #1, R2 ; Decrement the time-slice
MOV.L R2, [R1] ; Store time-slice
;
; /* Check for expiration. */
; if (__tx_timer_time_slice == 0)
;
CMP #0, R2 ; Has it expired?
BNE __tx_timer_no_time_slice ; No, time-slice has not expired
CMP #0, R2 ; Has it expired?
BNE __tx_timer_no_time_slice ; No, time-slice has not expired
;
; /* Set the time-slice expired flag. */
; _tx_timer_expired_time_slice = TX_TRUE;
;
MOV.L #__tx_timer_expired_time_slice, R1 ; Pickup address of expired time-slice
MOV.L #1, R2 ; Build expired value
MOV.L R2, [R1] ; Set expired time slice variable
MOV.L #__tx_timer_expired_time_slice, R1 ; Pickup address of expired time-slice
MOV.L #1, R2 ; Build expired value
MOV.L R2, [R1] ; Set expired time slice variable
; }
;
__tx_timer_no_time_slice:
@@ -134,20 +148,20 @@ __tx_timer_no_time_slice:
; if (*_tx_timer_current_ptr)
; {
;
MOV.L #__tx_timer_current_ptr, R1 ; Pickup address of current timer ptr
MOV.L [R1], R2 ; Pickup current pointer
MOV.L [R2+], R1 ; pickup timer list entry, _tx_timer_current_ptr++
CMP #0, R1 ; Is timer pointer NULL?
BEQ __tx_timer_no_timer ; Yes, no timer has expired
MOV.L #__tx_timer_current_ptr, R1 ; Pickup address of current timer ptr
MOV.L [R1], R2 ; Pickup current pointer
MOV.L [R2+], R1 ; Pickup timer list entry, _tx_timer_current_ptr++
CMP #0, R1 ; Is timer pointer NULL?
BEQ __tx_timer_no_timer ; Yes, no timer has expired
;
; /* Set expiration flag. */
; _tx_timer_expired = TX_TRUE;
;
MOV.L #__tx_timer_expired,R2 ; Build address of expired flag
MOV.L #1, R1 ; Build expired value
MOV.L #__tx_timer_expired,R2 ; Build address of expired flag
MOV.L #1, R1 ; Build expired value
MOV.L R1, [R2]
BRA __tx_timer_done ; Finished with timer processing
BRA __tx_timer_done ; Finished with timer processing
;
; }
; else
@@ -177,7 +191,7 @@ __tx_timer_no_timer:
;
__tx_timer_skip_wrap:
MOV.L #__tx_timer_current_ptr,R1
MOV.L R2, [R1] ; store in updated pointer in _tx_timer_current_ptr
MOV.L R2, [R1] ; Store in updated pointer in _tx_timer_current_ptr
__tx_timer_done:
;
@@ -186,25 +200,25 @@ __tx_timer_done:
; {
;
MOV.L #__tx_timer_expired_time_slice, R1 ; Pickup expired time slice addr
MOV.L [R1], R1 ; Pickup expired time slice
MOV.L #__tx_timer_expired, R2 ; Pickup expired timer flag address
MOV.L [R2], R2 ; Pickup actual flag
OR R1, R2 ; Or flags together
BEQ __tx_timer_nothing_expired ; If Z set, nothing has expired
MOV.L [R1], R1 ; Pickup expired time slice
MOV.L #__tx_timer_expired, R2 ; Pickup expired timer flag address
MOV.L [R2], R2 ; Pickup actual flag
OR R1, R2 ; Or flags together
BEQ __tx_timer_nothing_expired ; If Z set, nothing has expired
__tx_something_expired:
; /* Did a timer expire? */
; if (_tx_timer_expired)
; {
MOV.L #__tx_timer_expired,R1 ; Pickup expired flag address
MOV.L [R1], R1 ; Pickup expired flag
CMP #0,R1 ; Is the expired timer flag set?
BEQ __tx_timer_dont_activate ; No, skip timer activation
MOV.L #__tx_timer_expired,R1 ; Pickup expired flag address
MOV.L [R1], R1 ; Pickup expired flag
CMP #0,R1 ; Is the expired timer flag set?
BEQ __tx_timer_dont_activate ; No, skip timer activation
;
; /* Process timer expiration. */
; _tx_timer_expiration_process();
;
BSR __tx_timer_expiration_process ; Call the timer expiration handling routine
BSR __tx_timer_expiration_process ; Call the timer expiration handling routine
;
; }
__tx_timer_dont_activate:
@@ -214,14 +228,14 @@ __tx_timer_dont_activate:
; {
;
MOV.L #__tx_timer_expired_time_slice, R1 ; Pickup time-slice expired flag addr
MOV.L [R1], R1 ; Pickup actual flag
CMP #0,R1 ; Has time-slice expired?
BEQ __tx_timer_not_ts_expiration ; No, skip time-slice expiration
MOV.L [R1], R1 ; Pickup actual flag
CMP #0,R1 ; Has time-slice expired?
BEQ __tx_timer_not_ts_expiration ; No, skip time-slice expiration
;
; /* Time slice interrupted thread. */
; _tx_thread_time_slice();
BSR __tx_thread_time_slice ; Call time-slice processing
BSR __tx_thread_time_slice ; Call time-slice processing
; }
;
__tx_timer_not_ts_expiration:
@@ -231,9 +245,8 @@ __tx_timer_nothing_expired:
POPM R1-R5
POPM R14-R15
;
RTS ; return to point of interrupt
RTS ; Return to point of interrupt
;
;}
.end