From 8f55ac13049f3c737373d9de8598a2a03e6a03f9 Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Tue, 12 Jun 2018 17:43:59 +0100 Subject: mac_newworld: wire up programmer switch to NMI handler The programmer switch is wired up via an external GPIO pin and can be used to aid debugging Mac guests. Signed-off-by: Mark Cave-Ayland Signed-off-by: David Gibson --- hw/misc/macio/gpio.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'hw/misc/macio/gpio.c') diff --git a/hw/misc/macio/gpio.c b/hw/misc/macio/gpio.c index 5630afdf18..9317df759c 100644 --- a/hw/misc/macio/gpio.c +++ b/hw/misc/macio/gpio.c @@ -28,6 +28,7 @@ #include "hw/ppc/mac.h" #include "hw/misc/macio/macio.h" #include "hw/misc/macio/gpio.h" +#include "hw/nmi.h" #include "qemu/log.h" #include "trace.h" @@ -193,13 +194,21 @@ static void macio_gpio_reset(DeviceState *dev) macio_set_gpio(s, 1, true); } +static void macio_gpio_nmi(NMIState *n, int cpu_index, Error **errp) +{ + macio_set_gpio(MACIO_GPIO(n), 9, true); + macio_set_gpio(MACIO_GPIO(n), 9, false); +} + static void macio_gpio_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); + NMIClass *nc = NMI_CLASS(oc); dc->realize = macio_gpio_realize; dc->reset = macio_gpio_reset; dc->vmsd = &vmstate_macio_gpio; + nc->nmi_monitor_handler = macio_gpio_nmi; } static const TypeInfo macio_gpio_init_info = { @@ -208,6 +217,10 @@ static const TypeInfo macio_gpio_init_info = { .instance_size = sizeof(MacIOGPIOState), .instance_init = macio_gpio_init, .class_init = macio_gpio_class_init, + .interfaces = (InterfaceInfo[]) { + { TYPE_NMI }, + { } + }, }; static void macio_gpio_register_types(void) -- cgit v1.2.3