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Release 6.1.9

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This commit is contained in:
Yuxin Zhou
2021-10-14 00:51:26 +00:00
parent 215df45d4b
commit 1af8404c54
1812 changed files with 60698 additions and 249862 deletions
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63
ports/arc_em/metaware/src/tx_thread_schedule.s
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@@ -29,7 +29,7 @@
;/* FUNCTION RELEASE */
;/* */
;/* _tx_thread_schedule ARCv2_EM/MetaWare */
;/* 6.1.6 */
;/* 6.1.9 */
;/* AUTHOR */
;/* */
;/* William E. Lamie, Microsoft Corporation */
@@ -69,6 +69,11 @@
;/* fixed hardware stack checker*/
;/* disable and reenable logic, */
;/* resulting in version 6.1.6 */
;/* 10-15-2021 Andres Mlinar Modified comment(s), added */
;/* support for disabling the */
;/* loop control feature, */
;/* improved internal logic, */
;/* resulting in version 6.1.9 */
;/* */
;/**************************************************************************/
;VOID _tx_thread_schedule(VOID)
@@ -76,16 +81,18 @@
.global _tx_thread_schedule
.type _tx_thread_schedule, @function
_tx_thread_schedule:
mov sp, _estack
.global _tx_thread_schedule_reenter
.type _tx_thread_schedule_reenter, @function
_tx_thread_schedule_reenter:
;
; /* Enable interrupts. */
;
seti 0 ; Enable interrupts without changing threshold level
.ifdef TX_ENABLE_HW_STACK_CHECKING
lr r2, [status32] ; Pickup current STATUS32
and r2, r2, ~STATUS32_SC ; Clear the hardware stack checking enable bit (SC)
kflag r2 ; Disable hardware stack checking
.endif
;
; /* Wait for a thread to execute. */
; do
@@ -121,6 +128,26 @@ __tx_thread_schedule_loop:
; /* Setup time-slice, if present. */
; _tx_timer_time_slice = _tx_thread_current_ptr -> tx_thread_time_slice;
;
st r4, [gp, _tx_timer_time_slice@sda] ; Setup time-slice
;
.ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
;
; /* Call the thread entry function to indicate the thread is executing. */
;
bl.d _tx_execution_thread_enter ; Call the thread execution enter function
sub sp, sp, 16 ; ..allocating some space on the stack
add sp, sp, 16 ; Recover the stack space
.endif
;
; /* Switch to the thread's stack. */
; sp = _tx_thread_execute_ptr -> tx_thread_stack_ptr;
;
.ifdef TX_ENABLE_HW_STACK_CHECKING
lr r2, [status32] ; Pickup current STATUS32
and r2, r2, ~STATUS32_SC ; Clear the hardware stack checking enable bit (SC)
kflag r2 ; Disable hardware stack checking
.endif
ld sp, [r0, 8] ; Switch to thread's stack
.ifdef TX_ENABLE_HW_STACK_CHECKING
@@ -132,20 +159,6 @@ __tx_thread_schedule_loop:
kflag r2 ; Enable hardware stack checking
.endif
st r4, [gp, _tx_timer_time_slice@sda] ; Setup time-slice
;
; /* Switch to the thread's stack. */
; sp = _tx_thread_execute_ptr -> tx_thread_stack_ptr;
;
.ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
;
; /* Call the thread entry function to indicate the thread is executing. */
;
bl.d _tx_execution_thread_enter ; Call the thread execution enter function
sub sp, sp, 16 ; ..allocating some space on the stack
add sp, sp, 16 ; Recover the stack space
.endif
;
; /* Determine if an interrupt frame or a synchronous task suspension frame
; is present. */
;
@@ -167,7 +180,7 @@ __tx_thread_schedule_loop:
ld r15, [sp, 56] ; Recover r15
ld r14, [sp, 60] ; Recover r14
ld r13, [sp, 64] ; Recover r13
ld r1, [sp, 68] ; Pickup status32
ld r1, [sp, 68] ; Pickup STATUS32
ld r30, [sp, 72] ; Recover r30
add sp, sp, 76 ; Recover solicited stack frame
j_s.d [blink] ; Return to thread and restore flags
@@ -175,15 +188,18 @@ __tx_thread_schedule_loop:
;
__tx_thread_schedule_int_ret:
;
mov r0, 0x2 ; Pretend level 1 interrupt is returning
sr r0, [AUX_IRQ_ACT] ;
mov r0, 0x2 ; Pretend level 1 interrupt is returning
sr r0, [AUX_IRQ_ACT] ;
.ifndef TX_DISABLE_LP
ld r0, [sp, 4] ; Recover LP_START
sr r0, [LP_START] ; Restore LP_START
ld r1, [sp, 8] ; Recover LP_END
sr r1, [LP_END] ; Restore LP_END
ld r2, [sp, 12] ; Recover LP_COUNT
mov LP_COUNT, r2
.endif
ld r0, [sp, 156] ; Pickup saved BTA
sr r0, [BTA] ; Recover BTA
ld blink, [sp, 16] ; Recover blink
@@ -223,7 +239,6 @@ __tx_thread_schedule_int_ret:
.endif
add sp, sp, 160 ; Recover interrupt stack frame
rtie ; Return to point of interrupt
;
;}
;