From 0d1ac496a2587b59568bea16d88e4dadbf6dbe2c Mon Sep 17 00:00:00 2001 From: Mark Cave-Ayland Date: Fri, 24 Jun 2022 14:41:02 +0100 Subject: [PATCH] lasips2: switch over from update_irq() function to PS2 device gpio Add a qdev gpio input in lasips2_init() by taking the existing lasips2_port_set_irq() function, updating it accordingly and then renaming to lasips2_set_irq(). Use these new qdev gpio inputs to wire up the PS2 keyboard and mouse devices. At the same time set update_irq() and update_arg to NULL in ps2_kbd_init() and ps2_mouse_init() to ensure that any accidental attempt to use the legacy update_irq() function will cause a NULL pointer dereference. Signed-off-by: Mark Cave-Ayland Acked-by: Helge Deller Message-Id: <20220624134109.881989-48-mark.cave-ayland@ilande.co.uk> Reviewed-by: Peter Maydell --- hw/input/lasips2.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/hw/input/lasips2.c b/hw/input/lasips2.c index bd72505411..a6e14e0e6b 100644 --- a/hw/input/lasips2.c +++ b/hw/input/lasips2.c @@ -237,9 +237,19 @@ static const MemoryRegionOps lasips2_reg_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; -static void lasips2_port_set_irq(void *opaque, int level) +static void lasips2_set_kbd_irq(void *opaque, int n, int level) { - LASIPS2Port *port = opaque; + LASIPS2State *s = LASIPS2(opaque); + LASIPS2Port *port = &s->kbd; + + port->irq = level; + lasips2_update_irq(port->parent); +} + +static void lasips2_set_mouse_irq(void *opaque, int n, int level) +{ + LASIPS2State *s = LASIPS2(opaque); + LASIPS2Port *port = &s->mouse; port->irq = level; lasips2_update_irq(port->parent); @@ -264,8 +274,14 @@ static void lasips2_realize(DeviceState *dev, Error **errp) vmstate_register(NULL, s->base, &vmstate_lasips2, s); - s->kbd.dev = ps2_kbd_init(lasips2_port_set_irq, &s->kbd); - s->mouse.dev = ps2_mouse_init(lasips2_port_set_irq, &s->mouse); + s->kbd.dev = ps2_kbd_init(NULL, NULL); + qdev_connect_gpio_out(DEVICE(s->kbd.dev), PS2_DEVICE_IRQ, + qdev_get_gpio_in_named(dev, "ps2-kbd-input-irq", + 0)); + s->mouse.dev = ps2_mouse_init(NULL, NULL); + qdev_connect_gpio_out(DEVICE(s->mouse.dev), PS2_DEVICE_IRQ, + qdev_get_gpio_in_named(dev, "ps2-mouse-input-irq", + 0)); } static void lasips2_init(Object *obj) @@ -286,6 +302,11 @@ static void lasips2_init(Object *obj) sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mouse.reg); sysbus_init_irq(SYS_BUS_DEVICE(obj), &s->irq); + + qdev_init_gpio_in_named(DEVICE(obj), lasips2_set_kbd_irq, + "ps2-kbd-input-irq", 1); + qdev_init_gpio_in_named(DEVICE(obj), lasips2_set_mouse_irq, + "ps2-mouse-input-irq", 1); } static Property lasips2_properties[] = {