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| author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2021-10-20 14:41:28 +0100 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2021-10-20 16:18:40 +0200 |
| commit | a85d18aabdd4632bb0eeb496c97472746ba35d3c (patch) | |
| tree | bb8397b99e44de92193251b02804fecffaf93073 /hw/m68k | |
| parent | 291bc1809a0ec75f283717850003c08953d80e7c (diff) | |
| download | qemu-a85d18aabdd4632bb0eeb496c97472746ba35d3c.zip qemu-a85d18aabdd4632bb0eeb496c97472746ba35d3c.tar.gz qemu-a85d18aabdd4632bb0eeb496c97472746ba35d3c.tar.bz2 | |
q800: wire up auxmode GPIO to GLUE
This enables the GLUE logic to change its CPU level IRQ routing depending upon
whether the hardware has been configured for A/UX mode.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20211020134131.4392-6-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'hw/m68k')
| -rw-r--r-- | hw/m68k/q800.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c index 81c335b..0093872 100644 --- a/hw/m68k/q800.c +++ b/hw/m68k/q800.c @@ -100,6 +100,7 @@ struct GLUEState { SysBusDevice parent_obj; M68kCPU *cpu; uint8_t ipr; + uint8_t auxmode; }; #define GLUE_IRQ_IN_VIA1 0 @@ -145,11 +146,19 @@ static void GLUE_set_irq(void *opaque, int irq, int level) m68k_set_irq_level(s->cpu, 0, 0); } +static void glue_auxmode_set_irq(void *opaque, int irq, int level) +{ + GLUEState *s = GLUE(opaque); + + s->auxmode = level; +} + static void glue_reset(DeviceState *dev) { GLUEState *s = GLUE(dev); s->ipr = 0; + s->auxmode = 0; } static const VMStateDescription vmstate_glue = { @@ -158,6 +167,7 @@ static const VMStateDescription vmstate_glue = { .minimum_version_id = 0, .fields = (VMStateField[]) { VMSTATE_UINT8(ipr, GLUEState), + VMSTATE_UINT8(auxmode, GLUEState), VMSTATE_END_OF_LIST(), }, }; @@ -178,6 +188,7 @@ static void glue_init(Object *obj) DeviceState *dev = DEVICE(obj); qdev_init_gpio_in(dev, GLUE_set_irq, 8); + qdev_init_gpio_in_named(dev, glue_auxmode_set_irq, "auxmode", 1); } static void glue_class_init(ObjectClass *klass, void *data) @@ -308,6 +319,9 @@ static void q800_init(MachineState *machine) sysbus_realize_and_unref(sysbus, &error_fatal); sysbus_mmio_map(sysbus, 1, VIA_BASE); sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, GLUE_IRQ_IN_VIA1)); + /* A/UX mode */ + qdev_connect_gpio_out(via1_dev, 0, + qdev_get_gpio_in_named(glue, "auxmode", 0)); adb_bus = qdev_get_child_bus(via1_dev, "adb.0"); dev = qdev_new(TYPE_ADB_KEYBOARD); |