7iwind/threadx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Release 6.1.5

Browse Source
This commit is contained in:
Yuxin Zhou
2021-03-05 05:38:33 +00:00
parent 32e3b3b25f
commit 10a7932b9d
184 changed files with 15541 additions and 1830 deletions
Download Patch File Download Diff File Expand all files Collapse all files

138
ports/cortex_m7/iar/readme_threadx.txt
View File

@@ -58,80 +58,80 @@ tx_thread_stack_ptr in the associated thread control block TX_THREAD.
Non-FPU Stack Frame:
Stack Offset Stack Contents
Stack Offset Stack Contents
0x00 LR Interrupted LR (LR at time of PENDSV)
0x04 r4
0x08 r5
0x0C r6
0x10 r7
0x14 r8
0x18 r9
0x1C r10 (sl)
0x20 r11
0x24 r0 (Hardware stack starts here!!)
0x28 r1
0x2C r2
0x30 r3
0x34 r12
0x38 lr
0x3C pc
0x40 xPSR
0x00 LR Interrupted LR (LR at time of PENDSV)
0x04 r4 Software stacked GP registers
0x08 r5
0x0C r6
0x10 r7
0x14 r8
0x18 r9
0x1C r10
0x20 r11
0x24 r0 Hardware stacked registers
0x28 r1
0x2C r2
0x30 r3
0x34 r12
0x38 lr
0x3C pc
0x40 xPSR
FPU Stack Frame (only interrupted thread with FPU enabled):
Stack Offset Stack Contents
Stack Offset Stack Contents
0x00 LR Interrupted LR (LR at time of PENDSV)
0x04 s0
0x08 s1
0x0C s2
0x10 s3
0x14 s4
0x18 s5
0x1C s6
0x20 s7
0x24 s8
0x28 s9
0x2C s10
0x30 s11
0x34 s12
0x38 s13
0x3C s14
0x40 s15
0x44 s16
0x48 s17
0x4C s18
0x50 s19
0x54 s20
0x58 s21
0x5C s22
0x60 s23
0x64 s24
0x68 s25
0x6C s26
0x70 s27
0x74 s28
0x78 s29
0x7C s30
0x80 s31
0x84 fpscr
0x88 r4
0x8C r5
0x90 r6
0x94 r7
0x98 r8
0x9C r9
0xA0 r10 (sl)
0xA4 r11
0xA8 r0 (Hardware stack starts here!!)
0xAC r1
0xB0 r2
0xB4 r3
0xB8 r12
0xBC lr
0xC0 pc
0xC4 xPSR
0x00 LR Interrupted LR (LR at time of PENDSV)
0x04 s16 Software stacked FPU registers
0x08 s17
0x0C s18
0x10 s19
0x14 s20
0x18 s21
0x1C s22
0x20 s23
0x24 s24
0x28 s25
0x2C s26
0x30 s27
0x34 s28
0x38 s29
0x3C s30
0x40 s31
0x44 r4 Software stacked registers
0x48 r5
0x4C r6
0x50 r7
0x54 r8
0x58 r9
0x5C r10
0x60 r11
0x64 r0 Hardware stacked registers
0x68 r1
0x6C r2
0x70 r3
0x74 r12
0x78 lr
0x7C pc
0x80 xPSR
0x84 s0 Hardware stacked FPU registers
0x88 s1
0x8C s2
0x90 s3
0x94 s4
0x98 s5
0x9C s6
0xA0 s7
0xA4 s8
0xA8 s9
0xAC s10
0xB0 s11
0xB4 s12
0xB8 s13
0xBC s14
0xC0 s15
0xC4 fpscr
5. Improving Performance

25
ports/cortex_m7/iar/src/tx_thread_schedule.s
View File

@@ -28,6 +28,10 @@
EXTERN _tx_execution_thread_enter
EXTERN _tx_execution_thread_exit
EXTERN _tx_thread_preempt_disable
#ifdef TX_LOW_POWER
EXTERN tx_low_power_enter
EXTERN tx_low_power_exit
#endif
;
;
SECTION `.text`:CODE:NOROOT(2)
@@ -37,7 +41,7 @@
;/* FUNCTION RELEASE */
;/* */
;/* _tx_thread_schedule Cortex-M7/IAR */
;/* 6.1 */
;/* 6.1.5 */
;/* AUTHOR */
;/* */
;/* William E. Lamie, Microsoft Corporation */
@@ -70,7 +74,10 @@
;/* */
;/* DATE NAME DESCRIPTION */
;/* */
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
;/* 09-30-2020 William E. Lamie Initial Version 6.1 */
;/* 03-02-2021 Scott Larson Modified comment(s), add */
;/* low power code, */
;/* resulting in version 6.1.5 */
;/* */
;/**************************************************************************/
;VOID _tx_thread_schedule(VOID)
@@ -236,11 +243,25 @@ __tx_ts_wait:
LDR r1, [r2] ; Pickup the next thread to execute pointer
STR r1, [r0] ; Store it in the current pointer
CBNZ r1, __tx_ts_ready ; If non-NULL, a new thread is ready!
#ifdef TX_LOW_POWER
PUSH {r0-r3}
BL tx_low_power_enter ; Possibly enter low power mode
POP {r0-r3}
#endif
#ifdef TX_ENABLE_WFI
DSB ; Ensure no outstanding memory transactions
WFI ; Wait for interrupt
ISB ; Ensure pipeline is flushed
#endif
#ifdef TX_LOW_POWER
PUSH {r0-r3}
BL tx_low_power_exit ; Exit low power mode
POP {r0-r3}
#endif
CPSIE i ; Enable interrupts
B __tx_ts_wait ; Loop to continue waiting
;