diff options
Diffstat (limited to 'ports/rxv1/iar/src/tx_timer_interrupt.s')
| -rw-r--r-- | ports/rxv1/iar/src/tx_timer_interrupt.s | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/ports/rxv1/iar/src/tx_timer_interrupt.s b/ports/rxv1/iar/src/tx_timer_interrupt.s index ea330250..04917936 100644 --- a/ports/rxv1/iar/src/tx_timer_interrupt.s +++ b/ports/rxv1/iar/src/tx_timer_interrupt.s @@ -1,10 +1,10 @@ ;/*************************************************************************** -; * Copyright (c) 2024 Microsoft Corporation -; * +; * Copyright (c) 2024 Microsoft Corporation +; * ; * This program and the accompanying materials are made available under the ; * terms of the MIT License which is available at ; * https://opensource.org/licenses/MIT. -; * +; * ; * SPDX-License-Identifier: MIT ; **************************************************************************/ ; @@ -73,20 +73,6 @@ SWI0 EQU 0x872E0 ;/* */ ;/* interrupt vector */ ;/* */ -;/* RELEASE HISTORY */ -;/* */ -;/* DATE NAME DESCRIPTION */ -;/* */ -;/* 08-02-2021 William E. Lamie Initial Version 6.1.8 */ -;/* 10-15-2021 William E. Lamie Modified comment(s), */ -;/* resulting in version 6.1.9 */ -;/* 01-31-2022 William E. Lamie Modified comment(s), and */ -;/* added missing thread */ -;/* preemption logic, */ -;/* resulting in version 6.1.10 */ -;/* 04-25-2022 William E. Lamie Modified comment(s), */ -;/* resulting in version 6.1.11 */ -;/* */ ;/**************************************************************************/ public __tx_timer_interrupt @@ -149,14 +135,14 @@ __tx_timer_no_time_slice: 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 R1, [R2] + MOV.L R1, [R2] BRA __tx_timer_done ; Finished with timer processing ; ; } @@ -167,7 +153,7 @@ __tx_timer_no_timer: ; /* No timer expired, increment the timer pointer. */ ; _tx_timer_current_ptr++; ; -; /* R2 already contains __tx_timer_current_ptr++ */ +; /* R2 already contains __tx_timer_current_ptr++ */ ; ; /* Check for wrap-around. */ ; if (_tx_timer_current_ptr == _tx_timer_list_end) @@ -186,9 +172,9 @@ __tx_timer_no_timer: ; } ; __tx_timer_skip_wrap: - MOV.L #__tx_timer_current_ptr,R1 + MOV.L #__tx_timer_current_ptr,R1 MOV.L R2, [R1] ; Store in updated pointer in _tx_timer_current_ptr - + __tx_timer_done: ; ; /* See if anything has expired. */ @@ -222,14 +208,14 @@ __tx_timer_dont_activate: ; /* Did time slice expire? */ ; if (_tx_timer_expired_time_slice) ; { -; +; 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 ; ; /* Time slice interrupted thread. */ -; _tx_thread_time_slice(); +; _tx_thread_time_slice(); BSR __tx_thread_time_slice ; Call time-slice processing |