diff options
Diffstat (limited to 'ports/c667x/ccs/src/tx_timer_interrupt.asm')
| -rw-r--r-- | ports/c667x/ccs/src/tx_timer_interrupt.asm | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/ports/c667x/ccs/src/tx_timer_interrupt.asm b/ports/c667x/ccs/src/tx_timer_interrupt.asm index 60dd91b6..48df12d7 100644 --- a/ports/c667x/ccs/src/tx_timer_interrupt.asm +++ b/ports/c667x/ccs/src/tx_timer_interrupt.asm @@ -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 */ ;/** */ @@ -48,45 +48,45 @@ SP .set B15 ; ; .sect ".text" -;/**************************************************************************/ -;/* */ -;/* FUNCTION RELEASE */ -;/* */ -;/* _tx_timer_interrupt C667x/TI */ +;/**************************************************************************/ +;/* */ +;/* FUNCTION RELEASE */ +;/* */ +;/* _tx_timer_interrupt C667x/TI */ ;/* 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_thread_context_save Context save */ -;/* _tx_thread_context_restore Context restore */ -;/* _tx_thread_time_slice Time slice interrupted thread */ -;/* _tx_timer_expiration_process Timer expiration processing */ -;/* */ -;/* 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_thread_context_save Context save */ +;/* _tx_thread_context_restore Context restore */ +;/* _tx_thread_time_slice Time slice interrupted thread */ +;/* _tx_timer_expiration_process Timer expiration processing */ +;/* */ +;/* CALLED BY */ +;/* */ +;/* interrupt vector */ +;/* */ +;/* RELEASE HISTORY */ +;/* */ ;/* DATE NAME DESCRIPTION */ ;/* */ ;/* 09-30-2020 William E. Lamie Initial Version 6.1 */ @@ -106,10 +106,10 @@ _tx_timer_interrupt: ; _tx_timer_system_clock++; ; MVKL _tx_timer_system_clock,A0 ; Build address of system clock - MVKH _tx_timer_system_clock,A0 ; + MVKH _tx_timer_system_clock,A0 ; LDW *A0,A2 ; Pickup system clock MVKL _tx_timer_time_slice,A3 ; Build address of time slice - MVKH _tx_timer_time_slice,A3 ; + MVKH _tx_timer_time_slice,A3 ; LDW *A3,A1 ; Pickup time slice NOP 2 ; Delay ADD 1,A2,A2 ; Increment the system clock @@ -120,7 +120,7 @@ _tx_timer_interrupt: ; { ; [!A1] B _tx_timer_no_time_slice ; If 0, skip time slice processing - SUB A1,1,A1 ; Decrement time-slice value + SUB A1,1,A1 ; Decrement time-slice value NOP 4 ; Delay slots ; ; /* Decrement the time_slice. */ @@ -130,9 +130,9 @@ _tx_timer_interrupt: ; if (_tx_timer_time_slice == 0) ; [A1] B _tx_timer_no_time_slice ; If non-zero, not expired yet - STW A1,*A3 ; Store new time-slice + STW A1,*A3 ; Store new time-slice MVKL _tx_timer_expired_time_slice,A0 ; Build address of expired flag - MVKH _tx_timer_expired_time_slice,A0 ; + MVKH _tx_timer_expired_time_slice,A0 ; MVKL 1,A4 ; Expired flag NOP ; Delay ; @@ -149,10 +149,10 @@ _tx_timer_no_time_slice: ; { ; MVKL _tx_timer_current_ptr,A2 ; Build address of current timer pointer - MVKH _tx_timer_current_ptr,A2 ; + MVKH _tx_timer_current_ptr,A2 ; LDW *A2,A0 ; Pickup timer list address MVKL _tx_timer_expired,A3 ; Build address of expired flag - MVKH _tx_timer_expired,A3 ; + MVKH _tx_timer_expired,A3 ; NOP 2 ; Delay slots LDW *A0,A1 ; Pickup current timer entry ADD 4,A0,A0 ; Increment the current pointer @@ -179,10 +179,10 @@ _tx_timer_no_timer: ; if (_tx_timer_current_ptr == _tx_timer_list_end) ; MVKL _tx_timer_list_end,A3 ; Build timer list end address - MVKH _tx_timer_list_end,A3 ; + MVKH _tx_timer_list_end,A3 ; LDW *A3,A4 ; Pickup list end address MVKL _tx_timer_list_start,A3 ; Build timer list start address - MVKH _tx_timer_list_start,A3 ; + MVKH _tx_timer_list_start,A3 ; NOP 2 ; Delay slots CMPEQ A4,A0,A1 ; Compare current pointer with end [A1] LDW *A3,A0 ; If at the end, pickup timer list start @@ -205,10 +205,10 @@ _tx_timer_done: ; { ; MVKL _tx_timer_expired_time_slice,A3 ; Build time-slice expired flag - MVKH _tx_timer_expired_time_slice,A3 ; + MVKH _tx_timer_expired_time_slice,A3 ; LDW *A3,A4 ; Pickup time-slice expired flag MVKL _tx_timer_expired,A0 ; Build timer expired flag - MVKH _tx_timer_expired,A0 ; + MVKH _tx_timer_expired,A0 ; LDW *A0,A2 ; Pickup timer expired flag NOP 4 ; Delay slots OR A2,A4,A1 ; Combine expired flags @@ -223,8 +223,8 @@ _tx_something_expired: ; B _tx_thread_context_save ; Call context save routine MVKL _tx_timer_ISR_return,B3 ; Build return address - MVKH _tx_timer_ISR_return,B3 ; - NOP 3 ; Delay slots + MVKH _tx_timer_ISR_return,B3 ; + NOP 3 ; Delay slots _tx_timer_ISR_return: ; ; /* Did a timer expire? */ @@ -232,7 +232,7 @@ _tx_timer_ISR_return: ; { ; MVKL _tx_timer_expired,A0 ; Build timer expired address - MVKH _tx_timer_expired,A0 ; + MVKH _tx_timer_expired,A0 ; LDW *A0,A1 ; Pickup expired flag NOP 4 ; Delay slots [!A1] B _tx_timer_dont_activate ; If not set, skip timer activation @@ -243,7 +243,7 @@ _tx_timer_ISR_return: ; B _tx_timer_expiration_process ; Process timer expiration MVKL _tx_timer_ISR_return_1,B3 ; Build return address - MVKH _tx_timer_ISR_return_1,B3 ; + MVKH _tx_timer_ISR_return_1,B3 ; NOP 3 ; Delay slots _tx_timer_ISR_return_1: ; @@ -255,7 +255,7 @@ _tx_timer_dont_activate: ; { ; MVKL _tx_timer_expired_time_slice,A0 ; Build address of expired flag - MVKH _tx_timer_expired_time_slice,A0 ; + MVKH _tx_timer_expired_time_slice,A0 ; LDW *A0,A1 ; Pickup expired flag NOP 4 ; Delay slots [!A1] B _tx_timer_not_ts_expiration ; If not set, skip time-slice processing @@ -266,7 +266,7 @@ _tx_timer_dont_activate: ; B _tx_thread_time_slice ; Call time-slice processing MVKL _tx_timer_ISR_return_2,B3 ; Build return address - MVKH _tx_timer_ISR_return_2,B3 ; + MVKH _tx_timer_ISR_return_2,B3 ; NOP 3 ; Delay slots _tx_timer_ISR_return_2: ; |