diff options
Diffstat (limited to 'ports/rxv3/ccrx/src/tx_timer_interrupt.src')
| -rw-r--r-- | ports/rxv3/ccrx/src/tx_timer_interrupt.src | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/ports/rxv3/ccrx/src/tx_timer_interrupt.src b/ports/rxv3/ccrx/src/tx_timer_interrupt.src index 3d5d1a36..a0edaa6f 100644 --- a/ports/rxv3/ccrx/src/tx_timer_interrupt.src +++ b/ports/rxv3/ccrx/src/tx_timer_interrupt.src @@ -1,18 +1,18 @@ ;/*************************************************************************** -; * 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 ; **************************************************************************/ ; ; ;/**************************************************************************/ ;/**************************************************************************/ -;/** */ -;/** ThreadX Component */ +;/** */ +;/** ThreadX Component */ ;/** */ ;/** Timer */ ;/** */ @@ -50,58 +50,58 @@ .GLB __tx_thread_current_ptr ; .SECTION P,CODE -;/**************************************************************************/ -;/* */ -;/* FUNCTION RELEASE */ -;/* */ +;/**************************************************************************/ +;/* */ +;/* FUNCTION RELEASE */ +;/* */ ;/* _tx_timer_interrupt RXv3/CCRX */ ;/* 6.1.11 */ -;/* AUTHOR */ -;/* */ +;/* 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_thread_context_save Save interrupted context */ -;/* _tx_timer_expiration_process Timer expiration processing */ -;/* _tx_thread_time_slice Time slice interrupted thread */ -;/* _tx_thread_context_restore Restore interrupted context */ -;/* */ -;/* CALLED BY */ -;/* */ -;/* interrupt vector */ -;/* */ -;/* RELEASE HISTORY */ -;/* */ -;/* DATE NAME DESCRIPTION */ -;/* */ +;/* */ +;/* 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_thread_context_save Save interrupted context */ +;/* _tx_timer_expiration_process Timer expiration processing */ +;/* _tx_thread_time_slice Time slice interrupted thread */ +;/* _tx_thread_context_restore Restore interrupted context */ +;/* */ +;/* CALLED BY */ +;/* */ +;/* interrupt vector */ +;/* */ +;/* RELEASE HISTORY */ +;/* */ +;/* DATE NAME DESCRIPTION */ +;/* */ ;/* 06-02-2021 William E. Lamie Initial Version 6.1.7 */ -;/* 10-15-2021 William E. Lamie Modified comment(s), */ -;/* resulting in version 6.1.9 */ +;/* 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 */ -;/* */ -;/**************************************************************************/ +;/* */ +;/**************************************************************************/ ;VOID _tx_timer_interrupt(VOID) ;{ .GLB __tx_timer_interrupt @@ -164,14 +164,14 @@ __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 ; ; } @@ -182,7 +182,7 @@ __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) @@ -201,9 +201,9 @@ __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 #__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. */ @@ -237,14 +237,14 @@ __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 |