mbed official
Official mbed Real Time Operating System based on the RTX implementation of the CMSIS-RTOS API open standard.
Dependents: denki-yohou_b TestY201 Network-RTOS NTPClient_HelloWorld ... more
Deprecated
This is the mbed 2 rtos library. mbed OS 5 integrates the mbed library with mbed-rtos. With this, we have provided thread safety for all mbed APIs. If you'd like to learn about using mbed OS 5, please see the docs.
Diff: rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_ARM/HAL_CM4.c
- Revision:
- 123:58563e6cba1e
- Parent:
- 112:53ace74b190c
diff -r b744dfee1cf2 -r 58563e6cba1e rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_ARM/HAL_CM4.c
--- a/rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_ARM/HAL_CM4.c Wed Nov 09 12:22:14 2016 -0600
+++ b/rtx/TARGET_CORTEX_M/TARGET_RTOS_M4_M7/TOOLCHAIN_ARM/HAL_CM4.c Mon Nov 14 17:14:42 2016 -0600
@@ -164,7 +164,9 @@
SVC_ContextSave
TST LR,#0x10 ; is it extended frame?
+#if (__FPU_PRESENT == 1)
VSTMDBEQ R12!,{S16-S31} ; yes, stack also VFP hi-regs
+#endif
MOVEQ R0,#0x01 ; os_tsk->stack_frame val
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] ; os_tsk.run->stack_frame = val
@@ -184,7 +186,9 @@
CMP R0,#0 ; Basic/Extended Stack Frame
MVNEQ LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
MVNNE LR,#:NOT:0xFFFFFFED
+#if (__FPU_PRESENT == 1)
VLDMIANE R12!,{S16-S31} ; restore VFP hi-registers
+#endif
MSR PSP,R12 ; Write PSP
SVC_Exit
@@ -247,7 +251,9 @@
MRS R12,PSP ; Read PSP
TST LR,#0x10 ; is it extended frame?
+#if (__FPU_PRESENT == 1)
VSTMDBEQ R12!,{S16-S31} ; yes, stack also VFP hi-regs
+#endif
MOVEQ R0,#0x01 ; os_tsk->stack_frame val
MOVNE R0,#0x00
STRB R0,[R1,#TCB_STACKF] ; os_tsk.run->stack_frame = val
@@ -266,7 +272,9 @@
CMP R0,#0 ; Basic/Extended Stack Frame
MVNEQ LR,#:NOT:0xFFFFFFFD ; set EXC_RETURN value
MVNNE LR,#:NOT:0xFFFFFFED
+#if (__FPU_PRESENT == 1)
VLDMIANE R12!,{S16-S31} ; restore VFP hi-regs
+#endif
MSR PSP,R12 ; Write PSP
Sys_Exit
