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Release 6.2.0

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This commit is contained in:
Tiejun Zhou
2022-10-26 23:41:13 +00:00
parent b871c33620
commit 3e8e85cdc1
173 changed files with 26264 additions and 3989 deletions
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70
ports/xtensa/xcc/src/tx_thread_schedule.S
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@@ -34,8 +34,8 @@
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** ThreadX Component */
/** */
/** Thread */
/** */
@@ -49,21 +49,23 @@
.text
/**************************************************************************/
/* */
/* DESCRIPTION */
/* */
/* This function waits for a thread control block pointer to appear in */
/* the _tx_thread_execute_ptr variable. Once a thread pointer appears */
/* in the variable, the corresponding thread is resumed. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Cadence Design Systems Initial Version 6.1.3 */
/* */
/**************************************************************************/
/**************************************************************************/
/* */
/* DESCRIPTION */
/* */
/* This function waits for a thread control block pointer to appear in */
/* the _tx_thread_execute_ptr variable. Once a thread pointer appears */
/* in the variable, the corresponding thread is resumed. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Cadence Design Systems Initial Version 6.1.3 */
/* 10-31-2022 Scott Larson Updated EPK definitions, */
/* resulting in version 6.2.0 */
/* */
/**************************************************************************/
// VOID _tx_thread_schedule(VOID)
// {
@@ -96,8 +98,8 @@ _tx_thread_schedule:
Note on Windowed ABI:
Callers of this don't expect it to return to them. Most use 'call0'.
The only windowed (C) caller is _tx_initialize_kernel_enter().
There are no args or results to pass. So we don't really care if the
window gets rotated. We can omit the 'entry' altogether and avoid the
There are no args or results to pass. So we don't really care if the
window gets rotated. We can omit the 'entry' altogether and avoid the
need for a special "no entry" entrypoint to this function.
*/
@@ -108,11 +110,11 @@ _tx_thread_schedule:
call0 scheduler_return
#endif
/*
/*
Wait for a thread to execute (Idle Loop).
First ensure interrupts (except hi-pri) are disabled so result
First ensure interrupts (except hi-pri) are disabled so result
of reading _tx_thread_execute_ptr can't change before testing.
While there's no thread ready, enable interrupts and wait in a
While there's no thread ready, enable interrupts and wait in a
low power state, then disable interrupts and repeat the test.
*/
// do
@@ -130,7 +132,7 @@ _tx_thread_schedule:
// while(_tx_thread_execute_ptr == TX_NULL);
.L_tx_thread_schedule_ready:
/* Yes! We have a thread to execute. Lockout interrupts and
transfer control to it. Interrupts are already disabled. */
@@ -170,7 +172,7 @@ _tx_thread_schedule:
// SP = _tx_thread_execute_ptr -> tx_thread_stack_ptr;
l32i sp, a2, tx_thread_stack_ptr
#ifdef TX_ENABLE_EXECUTION_CHANGE_NOTIFY
#if (defined(TX_ENABLE_EXECUTION_CHANGE_NOTIFY) || defined(TX_EXECUTION_PROFILE_ENABLE))
/* Call the thread entry function to indicate the thread is executing. */
#ifdef __XTENSA_CALL0_ABI__
call0 _tx_execution_thread_enter
@@ -197,8 +199,8 @@ _tx_thread_schedule:
/* In Call0 ABI, restore callee-saved regs (A12, A13 already restored). */
#ifdef __XTENSA_CALL0_ABI__
l32i a14, sp, XT_STK_A14
l32i a15, sp, XT_STK_A15
l32i a14, sp, XT_STK_A14
l32i a15, sp, XT_STK_A15
#endif
#if XCHAL_CP_NUM > 0
@@ -207,25 +209,25 @@ _tx_thread_schedule:
/*
This does not return to its caller, but to the selected thread.
Must return via the exit dispatcher corresponding to the entrypoint
from which this was called. Interruptee's A0, A1, PS, PC are restored
Must return via the exit dispatcher corresponding to the entrypoint
from which this was called. Interruptee's A0, A1, PS, PC are restored
and the interrupt stack frame is deallocated in the exit dispatcher.
*/
l32i a0, sp, XT_STK_EXIT
l32i a0, sp, XT_STK_EXIT
ret
.L_tx_thread_synch_return:
/* Here we return from a solicited entry with a solicited stack frame. */
movi a0, TX_FALSE
l32i a3, sp, XT_STK_PS
l32i a3, sp, XT_STK_PS
s32i a0, a2, tx_thread_solicited
#ifdef __XTENSA_CALL0_ABI__
l32i a12, sp, XT_STK_A12
l32i a13, sp, XT_STK_A13
l32i a14, sp, XT_STK_A14
l32i a15, sp, XT_STK_A15
l32i a12, sp, XT_STK_A12
l32i a13, sp, XT_STK_A13
l32i a14, sp, XT_STK_A14
l32i a15, sp, XT_STK_A15
#endif
l32i a0, sp, XT_STK_PC /* return address */