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| author | Peter Maydell <peter.maydell@linaro.org> | 2016-10-04 13:48:25 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2016-10-04 13:48:25 +0100 |
| commit | 6e11eb2d2b96790e647aa4c744ed2ed03a77fbbd (patch) | |
| tree | 764d96006cedc488328f6c346115d4e2e423bd0e /hw/core/or-irq.c | |
| parent | 1bb47107057c645945971cf4e13eb8b524915b71 (diff) | |
| parent | 9b6a3ea7a699594162ed3d11e4e04b98568dc5c0 (diff) | |
| download | focaccia-qemu-6e11eb2d2b96790e647aa4c744ed2ed03a77fbbd.tar.gz focaccia-qemu-6e11eb2d2b96790e647aa4c744ed2ed03a77fbbd.zip | |
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20161004' into staging
target-arm queue: * Netduino 2 improvements (SPI, ADC devices) * fix some Mainstone key mappings * vmstateify tsc210x, tsc2005 * virt: add 2.8 machine type * virt: support in-kernel GICv3 ITS * generic-loader device * A64: fix iss_sf decoding in disas_ld_lit * correctly handle 'sub pc, pc, 1' for ARMv6 # gpg: Signature made Tue 04 Oct 2016 13:41:34 BST # gpg: using RSA key 0x3C2525ED14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" # Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE * remotes/pmaydell/tags/pull-target-arm-20161004: (27 commits) target-arm: Correctly handle 'sub pc, pc, 1' for ARMv6 target-arm: A64: Fix decoding of iss_sf in disas_ld_lit cadence_gem: Fix priority queue out of bounds access docs: Add a generic loader explanation document generic-loader: Add a generic loader ARM: Virt: ACPI: Add GIC ITS description in ACPI MADT table ACPI: Add GIC Interrupt Translation Service Structure definition arm/virt: Add ITS to the virt board hw/intc/arm_gicv3_its: Implement support for in-kernel ITS emulation kvm-all: Pass requester ID to MSI routing functions target-arm: move gicv3_class_name from machine to kvm_arm.h hw/intc/arm_gicv3_its: Implement ITS base class hw/intc/arm_gic(v3)_kvm: Initialize gsi routing hw/arm/virt: add 2.8 machine type vmstateify tsc210x vmstateify tsc2005 hw/arm: Fix Integrator/CM initialization mainstone: Add mapping for dot, slash and backspace. mainstone: Fix incorrect key mapping for Enter key. MAINTAINERS: Add Alistair to the maintainers list ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/core/or-irq.c')
| -rw-r--r-- | hw/core/or-irq.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/hw/core/or-irq.c b/hw/core/or-irq.c new file mode 100644 index 0000000000..1ac090d1a4 --- /dev/null +++ b/hw/core/or-irq.c @@ -0,0 +1,107 @@ +/* + * QEMU IRQ/GPIO common code. + * + * Copyright (c) 2016 Alistair Francis <alistair@alistair23.me>. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include "hw/or-irq.h" + +static void or_irq_handler(void *opaque, int n, int level) +{ + qemu_or_irq *s = OR_IRQ(opaque); + int or_level = 0; + int i; + + s->levels[n] = level; + + for (i = 0; i < s->num_lines; i++) { + or_level |= s->levels[i]; + } + + qemu_set_irq(s->out_irq, or_level); +} + +static void or_irq_reset(DeviceState *dev) +{ + qemu_or_irq *s = OR_IRQ(dev); + int i; + + for (i = 0; i < MAX_OR_LINES; i++) { + s->levels[i] = false; + } +} + +static void or_irq_realize(DeviceState *dev, Error **errp) +{ + qemu_or_irq *s = OR_IRQ(dev); + + assert(s->num_lines < MAX_OR_LINES); + + qdev_init_gpio_in(dev, or_irq_handler, s->num_lines); +} + +static void or_irq_init(Object *obj) +{ + qemu_or_irq *s = OR_IRQ(obj); + + qdev_init_gpio_out(DEVICE(obj), &s->out_irq, 1); +} + +static const VMStateDescription vmstate_or_irq = { + .name = TYPE_OR_IRQ, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_BOOL_ARRAY(levels, qemu_or_irq, MAX_OR_LINES), + VMSTATE_END_OF_LIST(), + } +}; + +static Property or_irq_properties[] = { + DEFINE_PROP_UINT16("num-lines", qemu_or_irq, num_lines, 1), + DEFINE_PROP_END_OF_LIST(), +}; + +static void or_irq_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = or_irq_reset; + dc->props = or_irq_properties; + dc->realize = or_irq_realize; + dc->vmsd = &vmstate_or_irq; +} + +static const TypeInfo or_irq_type_info = { + .name = TYPE_OR_IRQ, + .parent = TYPE_DEVICE, + .instance_size = sizeof(qemu_or_irq), + .instance_init = or_irq_init, + .class_init = or_irq_class_init, +}; + +static void or_irq_register_types(void) +{ + type_register_static(&or_irq_type_info); +} + +type_init(or_irq_register_types) |