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https://github.com/qemu/qemu.git
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machine: Move gpio code to hw/core/gpio.c
Only softmmu code uses gpio, so move gpio code from qdev.c to gpio.c and compile it only on softmmu mode. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20190425200051.19906-2-ehabkost@redhat.com> [PMD: Rebased] Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Eduardo Habkost
Philippe Mathieu-Daudé
parent
af531756d2
commit
b19a3e2cd9
197
hw/core/gpio.c
Normal file
197
hw/core/gpio.c
Normal file
@ -0,0 +1,197 @@
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/*
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* qdev GPIO helpers
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*
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* Copyright (c) 2009 CodeSourcery
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "hw/qdev-core.h"
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#include "hw/irq.h"
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#include "qapi/error.h"
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static NamedGPIOList *qdev_get_named_gpio_list(DeviceState *dev,
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const char *name)
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{
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NamedGPIOList *ngl;
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QLIST_FOREACH(ngl, &dev->gpios, node) {
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/* NULL is a valid and matchable name. */
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if (g_strcmp0(name, ngl->name) == 0) {
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return ngl;
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}
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}
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ngl = g_malloc0(sizeof(*ngl));
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ngl->name = g_strdup(name);
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QLIST_INSERT_HEAD(&dev->gpios, ngl, node);
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return ngl;
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}
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void qdev_init_gpio_in_named_with_opaque(DeviceState *dev,
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qemu_irq_handler handler,
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void *opaque,
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const char *name, int n)
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{
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int i;
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NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
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assert(gpio_list->num_out == 0 || !name);
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gpio_list->in = qemu_extend_irqs(gpio_list->in, gpio_list->num_in, handler,
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opaque, n);
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if (!name) {
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name = "unnamed-gpio-in";
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}
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for (i = gpio_list->num_in; i < gpio_list->num_in + n; i++) {
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gchar *propname = g_strdup_printf("%s[%u]", name, i);
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object_property_add_child(OBJECT(dev), propname,
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OBJECT(gpio_list->in[i]));
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g_free(propname);
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}
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gpio_list->num_in += n;
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}
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void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n)
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{
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qdev_init_gpio_in_named(dev, handler, NULL, n);
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}
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void qdev_init_gpio_out_named(DeviceState *dev, qemu_irq *pins,
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const char *name, int n)
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{
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int i;
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NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
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assert(gpio_list->num_in == 0 || !name);
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if (!name) {
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name = "unnamed-gpio-out";
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}
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memset(pins, 0, sizeof(*pins) * n);
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for (i = 0; i < n; ++i) {
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gchar *propname = g_strdup_printf("%s[%u]", name,
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gpio_list->num_out + i);
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object_property_add_link(OBJECT(dev), propname, TYPE_IRQ,
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(Object **)&pins[i],
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object_property_allow_set_link,
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OBJ_PROP_LINK_STRONG);
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g_free(propname);
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}
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gpio_list->num_out += n;
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}
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void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n)
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{
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qdev_init_gpio_out_named(dev, pins, NULL, n);
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}
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qemu_irq qdev_get_gpio_in_named(DeviceState *dev, const char *name, int n)
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{
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NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
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assert(n >= 0 && n < gpio_list->num_in);
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return gpio_list->in[n];
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}
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qemu_irq qdev_get_gpio_in(DeviceState *dev, int n)
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{
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return qdev_get_gpio_in_named(dev, NULL, n);
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}
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void qdev_connect_gpio_out_named(DeviceState *dev, const char *name, int n,
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qemu_irq pin)
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{
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char *propname = g_strdup_printf("%s[%d]",
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name ? name : "unnamed-gpio-out", n);
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if (pin && !OBJECT(pin)->parent) {
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/* We need a name for object_property_set_link to work */
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object_property_add_child(container_get(qdev_get_machine(),
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"/unattached"),
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"non-qdev-gpio[*]", OBJECT(pin));
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}
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object_property_set_link(OBJECT(dev), propname, OBJECT(pin), &error_abort);
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g_free(propname);
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}
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qemu_irq qdev_get_gpio_out_connector(DeviceState *dev, const char *name, int n)
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{
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g_autofree char *propname = g_strdup_printf("%s[%d]",
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name ? name : "unnamed-gpio-out", n);
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qemu_irq ret = (qemu_irq)object_property_get_link(OBJECT(dev), propname,
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NULL);
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return ret;
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}
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/* disconnect a GPIO output, returning the disconnected input (if any) */
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static qemu_irq qdev_disconnect_gpio_out_named(DeviceState *dev,
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const char *name, int n)
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{
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char *propname = g_strdup_printf("%s[%d]",
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name ? name : "unnamed-gpio-out", n);
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qemu_irq ret = (qemu_irq)object_property_get_link(OBJECT(dev), propname,
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NULL);
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if (ret) {
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object_property_set_link(OBJECT(dev), propname, NULL, NULL);
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}
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g_free(propname);
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return ret;
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}
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qemu_irq qdev_intercept_gpio_out(DeviceState *dev, qemu_irq icpt,
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const char *name, int n)
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{
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qemu_irq disconnected = qdev_disconnect_gpio_out_named(dev, name, n);
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qdev_connect_gpio_out_named(dev, name, n, icpt);
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return disconnected;
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}
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void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin)
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{
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qdev_connect_gpio_out_named(dev, NULL, n, pin);
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}
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void qdev_pass_gpios(DeviceState *dev, DeviceState *container,
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const char *name)
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{
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int i;
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NamedGPIOList *ngl = qdev_get_named_gpio_list(dev, name);
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for (i = 0; i < ngl->num_in; i++) {
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const char *nm = ngl->name ? ngl->name : "unnamed-gpio-in";
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char *propname = g_strdup_printf("%s[%d]", nm, i);
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object_property_add_alias(OBJECT(container), propname,
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OBJECT(dev), propname);
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g_free(propname);
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}
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for (i = 0; i < ngl->num_out; i++) {
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const char *nm = ngl->name ? ngl->name : "unnamed-gpio-out";
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char *propname = g_strdup_printf("%s[%d]", nm, i);
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object_property_add_alias(OBJECT(container), propname,
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OBJECT(dev), propname);
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g_free(propname);
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}
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QLIST_REMOVE(ngl, node);
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QLIST_INSERT_HEAD(&container->gpios, ngl, node);
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}
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@ -27,6 +27,7 @@ common_ss.add(when: 'CONFIG_XILINX_AXI', if_true: files('stream.c'))
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softmmu_ss.add(files(
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'cpu-sysemu.c',
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'fw-path-provider.c',
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'gpio.c',
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'loader.c',
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'machine-hmp-cmds.c',
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'machine.c',
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174
hw/core/qdev.c
174
hw/core/qdev.c
@ -436,180 +436,6 @@ BusState *qdev_get_parent_bus(DeviceState *dev)
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return dev->parent_bus;
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}
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static NamedGPIOList *qdev_get_named_gpio_list(DeviceState *dev,
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const char *name)
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{
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NamedGPIOList *ngl;
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QLIST_FOREACH(ngl, &dev->gpios, node) {
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/* NULL is a valid and matchable name. */
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if (g_strcmp0(name, ngl->name) == 0) {
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return ngl;
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}
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}
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ngl = g_malloc0(sizeof(*ngl));
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ngl->name = g_strdup(name);
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QLIST_INSERT_HEAD(&dev->gpios, ngl, node);
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return ngl;
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}
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void qdev_init_gpio_in_named_with_opaque(DeviceState *dev,
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qemu_irq_handler handler,
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void *opaque,
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const char *name, int n)
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{
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int i;
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NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
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assert(gpio_list->num_out == 0 || !name);
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gpio_list->in = qemu_extend_irqs(gpio_list->in, gpio_list->num_in, handler,
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opaque, n);
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if (!name) {
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name = "unnamed-gpio-in";
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}
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for (i = gpio_list->num_in; i < gpio_list->num_in + n; i++) {
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gchar *propname = g_strdup_printf("%s[%u]", name, i);
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object_property_add_child(OBJECT(dev), propname,
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OBJECT(gpio_list->in[i]));
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g_free(propname);
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}
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gpio_list->num_in += n;
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}
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void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n)
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{
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qdev_init_gpio_in_named(dev, handler, NULL, n);
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}
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void qdev_init_gpio_out_named(DeviceState *dev, qemu_irq *pins,
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const char *name, int n)
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{
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int i;
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NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
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assert(gpio_list->num_in == 0 || !name);
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if (!name) {
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name = "unnamed-gpio-out";
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}
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memset(pins, 0, sizeof(*pins) * n);
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for (i = 0; i < n; ++i) {
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gchar *propname = g_strdup_printf("%s[%u]", name,
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gpio_list->num_out + i);
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object_property_add_link(OBJECT(dev), propname, TYPE_IRQ,
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(Object **)&pins[i],
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object_property_allow_set_link,
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OBJ_PROP_LINK_STRONG);
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g_free(propname);
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}
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gpio_list->num_out += n;
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}
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void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n)
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{
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qdev_init_gpio_out_named(dev, pins, NULL, n);
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}
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qemu_irq qdev_get_gpio_in_named(DeviceState *dev, const char *name, int n)
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{
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NamedGPIOList *gpio_list = qdev_get_named_gpio_list(dev, name);
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assert(n >= 0 && n < gpio_list->num_in);
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return gpio_list->in[n];
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}
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qemu_irq qdev_get_gpio_in(DeviceState *dev, int n)
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{
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return qdev_get_gpio_in_named(dev, NULL, n);
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}
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void qdev_connect_gpio_out_named(DeviceState *dev, const char *name, int n,
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qemu_irq pin)
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{
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char *propname = g_strdup_printf("%s[%d]",
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name ? name : "unnamed-gpio-out", n);
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if (pin && !OBJECT(pin)->parent) {
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/* We need a name for object_property_set_link to work */
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object_property_add_child(container_get(qdev_get_machine(),
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"/unattached"),
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"non-qdev-gpio[*]", OBJECT(pin));
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}
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object_property_set_link(OBJECT(dev), propname, OBJECT(pin), &error_abort);
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g_free(propname);
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}
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qemu_irq qdev_get_gpio_out_connector(DeviceState *dev, const char *name, int n)
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{
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g_autofree char *propname = g_strdup_printf("%s[%d]",
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name ? name : "unnamed-gpio-out", n);
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qemu_irq ret = (qemu_irq)object_property_get_link(OBJECT(dev), propname,
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NULL);
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return ret;
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}
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/* disconnect a GPIO output, returning the disconnected input (if any) */
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static qemu_irq qdev_disconnect_gpio_out_named(DeviceState *dev,
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const char *name, int n)
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{
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char *propname = g_strdup_printf("%s[%d]",
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name ? name : "unnamed-gpio-out", n);
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qemu_irq ret = (qemu_irq)object_property_get_link(OBJECT(dev), propname,
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NULL);
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if (ret) {
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object_property_set_link(OBJECT(dev), propname, NULL, NULL);
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}
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g_free(propname);
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return ret;
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}
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qemu_irq qdev_intercept_gpio_out(DeviceState *dev, qemu_irq icpt,
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const char *name, int n)
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{
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qemu_irq disconnected = qdev_disconnect_gpio_out_named(dev, name, n);
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qdev_connect_gpio_out_named(dev, name, n, icpt);
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return disconnected;
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}
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void qdev_connect_gpio_out(DeviceState * dev, int n, qemu_irq pin)
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{
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qdev_connect_gpio_out_named(dev, NULL, n, pin);
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}
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void qdev_pass_gpios(DeviceState *dev, DeviceState *container,
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const char *name)
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{
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int i;
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NamedGPIOList *ngl = qdev_get_named_gpio_list(dev, name);
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for (i = 0; i < ngl->num_in; i++) {
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const char *nm = ngl->name ? ngl->name : "unnamed-gpio-in";
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char *propname = g_strdup_printf("%s[%d]", nm, i);
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object_property_add_alias(OBJECT(container), propname,
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OBJECT(dev), propname);
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g_free(propname);
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}
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for (i = 0; i < ngl->num_out; i++) {
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const char *nm = ngl->name ? ngl->name : "unnamed-gpio-out";
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char *propname = g_strdup_printf("%s[%d]", nm, i);
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object_property_add_alias(OBJECT(container), propname,
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OBJECT(dev), propname);
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g_free(propname);
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}
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QLIST_REMOVE(ngl, node);
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QLIST_INSERT_HEAD(&container->gpios, ngl, node);
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}
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BusState *qdev_get_child_bus(DeviceState *dev, const char *name)
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{
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BusState *bus;
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