diff options
Diffstat (limited to 'nuttx/arch/arm/src/armv7-m/up_doirq.c')
-rw-r--r-- | nuttx/arch/arm/src/armv7-m/up_doirq.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/up_doirq.c b/nuttx/arch/arm/src/armv7-m/up_doirq.c index 375054fba..6063f9ca1 100644 --- a/nuttx/arch/arm/src/armv7-m/up_doirq.c +++ b/nuttx/arch/arm/src/armv7-m/up_doirq.c @@ -79,9 +79,11 @@ uint32_t *up_doirq(int irq, uint32_t *regs) uint32_t *savestate; /* Nested interrupts are not supported in this implementation. If you want - * implemented nested interrupts, you would have to (1) change the way that - * current regs is handled and (2) the design associated with - * CONFIG_ARCH_INTERRUPTSTACK. + * to implement nested interrupts, you would have to (1) change the way that + * current_regs is handled and (2) the design associated with + * CONFIG_ARCH_INTERRUPTSTACK. The savestate variable will not work for + * that purpose as implemented here because only the outermost nested + * interrupt can result in a context switch (it can probably be deleted). */ /* Current regs non-zero indicates that we are processing an interrupt; |