diff mbox series

[PULL,30/51] hw/timer/armv7m_systick: Add usual QEMU interface comment

Message ID 20210901103653.13435-31-peter.maydell@linaro.org (mailing list archive)
State New, archived
Headers show
Series [PULL,01/51] tests: Remove uses of deprecated raspi2/raspi3 machine names | expand

Commit Message

Peter Maydell Sept. 1, 2021, 10:36 a.m. UTC 
Add the usual-style QEMU interface comment documenting what
properties, etc, this device exposes.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Message-id: 20210812093356.1946-5-peter.maydell@linaro.org
---
 include/hw/timer/armv7m_systick.h | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/include/hw/timer/armv7m_systick.h b/include/hw/timer/armv7m_systick.h
index 84496faaf96..685fc5bc0d7 100644
--- a/include/hw/timer/armv7m_systick.h
+++ b/include/hw/timer/armv7m_systick.h
@@ -20,6 +20,13 @@ 
 
 OBJECT_DECLARE_SIMPLE_TYPE(SysTickState, SYSTICK)
 
+/*
+ * QEMU interface:
+ *  + sysbus MMIO region 0 is the register interface (covering
+ *    the registers which are mapped at address 0xE000E010)
+ *  + sysbus IRQ 0 is the interrupt line to the NVIC
+ */
+
 struct SysTickState {
     /*< private >*/
     SysBusDevice parent_obj;