arm-M: set current regs for crash dump

Signed-off-by: ligd <[email protected]>
apache · Sep 25, 2024 · fea0ec0 · fea0ec0
1 parent 5d7cd2b
commit fea0ec0
Show file tree

Hide file tree

Showing 3 changed files with 30 additions and 0 deletions.
diff --git a/arch/arm/src/armv6-m/arm_doirq.c b/arch/arm/src/armv6-m/arm_doirq.c
@@ -74,8 +74,18 @@ uint32_t *arm_doirq(int irq, uint32_t *regs)
     }
   else
     {
+      /* Set current regs for crash dump */
+
+      up_set_current_regs(regs);
+
+      /* Dispatch irq */
+
       tcb->xcp.regs = regs;
       irq_dispatch(irq, regs);
+
+      /* Clear current regs */
+
+      up_set_current_regs(NULL);
     }
 
   /* If a context switch occurred while processing the interrupt then

diff --git a/arch/arm/src/armv7-m/arm_doirq.c b/arch/arm/src/armv7-m/arm_doirq.c
@@ -74,8 +74,18 @@ uint32_t *arm_doirq(int irq, uint32_t *regs)
     }
   else
     {
+      /* Set current regs for crash dump */
+
+      up_set_current_regs(regs);
+
+      /* Dispatch irq */
+
       tcb->xcp.regs = regs;
       irq_dispatch(irq, regs);
+
+      /* Clear current regs */
+
+      up_set_current_regs(NULL);
     }
 
   /* If a context switch occurred while processing the interrupt then

diff --git a/arch/arm/src/armv8-m/arm_doirq.c b/arch/arm/src/armv8-m/arm_doirq.c
@@ -74,8 +74,18 @@ uint32_t *arm_doirq(int irq, uint32_t *regs)
     }
   else
     {
+      /* Set current regs for crash dump */
+
+      up_set_current_regs(regs);
+
+      /* Dispatch irq */
+
       tcb->xcp.regs = regs;
       irq_dispatch(irq, regs);
+
+      /* Clear current regs */
+
+      up_set_current_regs(NULL);
     }
 
   /* If a context switch occurred while processing the interrupt then