diff options
Diffstat (limited to 'ports/arm11/ac5/src/tx_timer_interrupt.s')
| -rw-r--r-- | ports/arm11/ac5/src/tx_timer_interrupt.s | 76 |
1 files changed, 35 insertions, 41 deletions
diff --git a/ports/arm11/ac5/src/tx_timer_interrupt.s b/ports/arm11/ac5/src/tx_timer_interrupt.s index 9d745e0a..c5b7ee10 100644 --- a/ports/arm11/ac5/src/tx_timer_interrupt.s +++ b/ports/arm11/ac5/src/tx_timer_interrupt.s @@ -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 */ ;/** */ @@ -44,46 +44,40 @@ ; AREA ||.text||, CODE, READONLY PRESERVE8 -;/**************************************************************************/ -;/* */ -;/* FUNCTION RELEASE */ -;/* */ -;/* _tx_timer_interrupt ARM11/AC5 */ +;/**************************************************************************/ +;/* */ +;/* FUNCTION RELEASE */ +;/* */ +;/* _tx_timer_interrupt ARM11/AC5 */ ;/* 6.1 */ ;/* 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 */ -;/* */ -;/* DATE NAME DESCRIPTION */ ;/* */ -;/* 09-30-2020 William E. Lamie Initial Version 6.1 */ +;/* 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 */ ;/* */ ;/**************************************************************************/ ;VOID _tx_timer_interrupt(VOID) @@ -107,7 +101,7 @@ _tx_timer_interrupt ; if (_tx_timer_time_slice) ; { ; - LDR r3, =_tx_timer_time_slice ; Pickup address of time-slice + LDR r3, =_tx_timer_time_slice ; Pickup address of time-slice LDR r2, [r3, #0] ; Pickup time-slice CMP r2, #0 ; Is it non-active? BEQ __tx_timer_no_time_slice ; Yes, skip time-slice processing @@ -225,13 +219,13 @@ __tx_timer_dont_activate ; if (_tx_timer_expired_time_slice) ; { ; - LDR r3, =_tx_timer_expired_time_slice ; Pickup addr of time-slice expired + LDR r3, =_tx_timer_expired_time_slice ; Pickup addr of time-slice expired LDR r2, [r3, #0] ; Pickup the actual flag CMP r2, #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 ; |