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Diffstat (limited to 'os/ports/RVCT/ARMCMx/chcoreasm_v6m.s')
-rw-r--r--os/ports/RVCT/ARMCMx/chcoreasm_v6m.s17
1 files changed, 15 insertions, 2 deletions
diff --git a/os/ports/RVCT/ARMCMx/chcoreasm_v6m.s b/os/ports/RVCT/ARMCMx/chcoreasm_v6m.s
index cf67d82c2..83878805e 100644
--- a/os/ports/RVCT/ARMCMx/chcoreasm_v6m.s
+++ b/os/ports/RVCT/ARMCMx/chcoreasm_v6m.s
@@ -36,6 +36,10 @@ SCB_ICSR EQU 0xE000ED04
IMPORT chThdExit
IMPORT chSchIsPreemptionRequired
IMPORT chSchDoReschedule
+#if CH_DBG_SYSTEM_STATE_CHECK
+ IMPORT dbg_check_unlock
+ IMPORT dbg_check_lock
+#endif
/*
* Performs a context switch between two threads.
@@ -66,6 +70,9 @@ _port_switch PROC
*/
EXPORT _port_thread_start
_port_thread_start PROC
+#if CH_DBG_SYSTEM_STATE_CHECK
+ bl dbg_check_unlock
+#endif
cpsie i
mov r0, r5
blx r4
@@ -109,11 +116,17 @@ PendSVVector PROC
*/
EXPORT _port_switch_from_isr
_port_switch_from_isr PROC
+#if CH_DBG_SYSTEM_STATE_CHECK
+ bl dbg_check_lock
+#endif
bl chSchIsPreemptionRequired
cmp r0, #0
- beq noresch
+ beq noreschedule
bl chSchDoReschedule
-noresch
+noreschedule
+#if CH_DBG_SYSTEM_STATE_CHECK
+ bl dbg_check_unlock
+#endif
ldr r2, =SCB_ICSR
movs r3, #128
#if CORTEX_ALTERNATE_SWITCH