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Import RX port update for 6.1.11 release.

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This commit is contained in:
Tiejun Zhou
2022-04-26 14:19:28 +08:00
parent cef9cb22a5
commit 408f9fa1b7
90 changed files with 620 additions and 182 deletions
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51
ports/rxv3/iar/src/tx_thread_schedule.s
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@@ -34,6 +34,11 @@
extern __tx_thread_execute_ptr
extern __tx_thread_current_ptr
extern __tx_timer_time_slice
#if (TX_LOW_POWER == 1)
extern _tx_low_power_enter
extern _tx_low_power_exit
extern __tx_thread_preempt_disable
#endif
section .text:CODE:ROOT
@@ -42,7 +47,7 @@
;/* FUNCTION RELEASE */
;/* */
;/* _tx_thread_schedule RXv3/IAR */
;/* 6.1.10 */
;/* 6.1.11 */
;/* AUTHOR */
;/* */
;/* William E. Lamie, Microsoft Corporation */
@@ -89,26 +94,48 @@
__tx_thread_schedule:
;
; /* Enable interrupts. */
;
SETPSW I
;
; /* Wait for a thread to execute. */
; do
; {
MOV.L #__tx_thread_execute_ptr, R1 ; Address of thread to executer ptr
MOV.L #__tx_thread_execute_ptr, R1 ; Address of thread to executer ptr
__tx_thread_schedule_loop:
MOV.L [R1],R2 ; Pickup next thread to execute
CMP #0,R2 ; Is it NULL?
BEQ __tx_thread_schedule_loop ; Yes, idle system, keep checking
SETPSW I ; Enable interrupts
CLRPSW I ; Disable interrupts
MOV.L [R1],R2 ; Pickup next thread to execute
CMP #0,R2 ; Is it NULL?
BNE __tx_thread_thread_ready ; Not NULL, schedule the thread
; Idle system - no thread is ready
#if (TX_LOW_POWER == 1)
MOV.L #__tx_thread_preempt_disable, R1 ; Load prempt disable flag.
MOV.L [R1], R2
ADD #1, R2 ; Disable preemption while enter/exit
MOV.L R2, [R1]
BSR _tx_low_power_enter ; Possibly enter low power mode
#endif
#if (TX_ENABLE_WAIT == 1)
WAIT ; Wait for interrupt
#endif
#if (TX_LOW_POWER == 1)
CLRPSW I ; Disable interrupts (because WAIT enables interrupts)
BSR _tx_low_power_exit ; Possibly exit low power mode
MOV.L #__tx_thread_preempt_disable, R1 ; Load prempt disable flag.
MOV.L [R1], R2
SUB #1, R2 ; Enable preemption
MOV.L R2, [R1]
MOV.L #__tx_thread_execute_ptr, R1 ; Address of thread to executer ptr
#endif
BRA __tx_thread_schedule_loop ; Idle system, keep checking
__tx_thread_thread_ready:
;
; }
; while(_tx_thread_execute_ptr == TX_NULL);
;
; /* Yes! We have a thread to execute. Lockout interrupts and
; transfer control to it. */
;
CLRPSW I ; Disable interrupts
; /* Yes! We have a thread to execute. Note that interrupts are locked out at this point. */
;
; /* Setup the current thread pointer. */
; _tx_thread_current_ptr = _tx_thread_execute_ptr;