* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
+#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/pci/pci.h"
#include "intel-hda.h"
#define QEMU_HDA_AMP_NONE (0)
#define QEMU_HDA_AMP_STEPS 0x4a
-#ifdef CONFIG_MIXEMU
-# define QEMU_HDA_ID_OUTPUT ((QEMU_HDA_ID_VENDOR << 16) | 0x12)
-# define QEMU_HDA_ID_DUPLEX ((QEMU_HDA_ID_VENDOR << 16) | 0x22)
-# define QEMU_HDA_ID_MICRO ((QEMU_HDA_ID_VENDOR << 16) | 0x32)
-# define QEMU_HDA_AMP_CAPS \
- (AC_AMPCAP_MUTE | \
- (QEMU_HDA_AMP_STEPS << AC_AMPCAP_OFFSET_SHIFT) | \
- (QEMU_HDA_AMP_STEPS << AC_AMPCAP_NUM_STEPS_SHIFT) | \
- (3 << AC_AMPCAP_STEP_SIZE_SHIFT))
-#else
-# define QEMU_HDA_ID_OUTPUT ((QEMU_HDA_ID_VENDOR << 16) | 0x11)
-# define QEMU_HDA_ID_DUPLEX ((QEMU_HDA_ID_VENDOR << 16) | 0x21)
-# define QEMU_HDA_ID_MICRO ((QEMU_HDA_ID_VENDOR << 16) | 0x31)
-# define QEMU_HDA_AMP_CAPS QEMU_HDA_AMP_NONE
-#endif
-
-/* common: audio output widget */
-static const desc_param common_params_audio_dac[] = {
- {
- .id = AC_PAR_AUDIO_WIDGET_CAP,
- .val = ((AC_WID_AUD_OUT << AC_WCAP_TYPE_SHIFT) |
- AC_WCAP_FORMAT_OVRD |
- AC_WCAP_AMP_OVRD |
- AC_WCAP_OUT_AMP |
- AC_WCAP_STEREO),
- },{
- .id = AC_PAR_PCM,
- .val = QEMU_HDA_PCM_FORMATS,
- },{
- .id = AC_PAR_STREAM,
- .val = AC_SUPFMT_PCM,
- },{
- .id = AC_PAR_AMP_IN_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_AMP_OUT_CAP,
- .val = QEMU_HDA_AMP_CAPS,
- },
-};
-
-/* common: audio input widget */
-static const desc_param common_params_audio_adc[] = {
- {
- .id = AC_PAR_AUDIO_WIDGET_CAP,
- .val = ((AC_WID_AUD_IN << AC_WCAP_TYPE_SHIFT) |
- AC_WCAP_CONN_LIST |
- AC_WCAP_FORMAT_OVRD |
- AC_WCAP_AMP_OVRD |
- AC_WCAP_IN_AMP |
- AC_WCAP_STEREO),
- },{
- .id = AC_PAR_CONNLIST_LEN,
- .val = 1,
- },{
- .id = AC_PAR_PCM,
- .val = QEMU_HDA_PCM_FORMATS,
- },{
- .id = AC_PAR_STREAM,
- .val = AC_SUPFMT_PCM,
- },{
- .id = AC_PAR_AMP_IN_CAP,
- .val = QEMU_HDA_AMP_CAPS,
- },{
- .id = AC_PAR_AMP_OUT_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },
-};
-
-/* common: pin widget (line-out) */
-static const desc_param common_params_audio_lineout[] = {
- {
- .id = AC_PAR_AUDIO_WIDGET_CAP,
- .val = ((AC_WID_PIN << AC_WCAP_TYPE_SHIFT) |
- AC_WCAP_CONN_LIST |
- AC_WCAP_STEREO),
- },{
- .id = AC_PAR_PIN_CAP,
- .val = AC_PINCAP_OUT,
- },{
- .id = AC_PAR_CONNLIST_LEN,
- .val = 1,
- },{
- .id = AC_PAR_AMP_IN_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_AMP_OUT_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },
-};
-
-/* common: pin widget (line-in) */
-static const desc_param common_params_audio_linein[] = {
- {
- .id = AC_PAR_AUDIO_WIDGET_CAP,
- .val = ((AC_WID_PIN << AC_WCAP_TYPE_SHIFT) |
- AC_WCAP_STEREO),
- },{
- .id = AC_PAR_PIN_CAP,
- .val = AC_PINCAP_IN,
- },{
- .id = AC_PAR_AMP_IN_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_AMP_OUT_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },
-};
-
-/* output: root node */
-static const desc_param output_params_root[] = {
- {
- .id = AC_PAR_VENDOR_ID,
- .val = QEMU_HDA_ID_OUTPUT,
- },{
- .id = AC_PAR_SUBSYSTEM_ID,
- .val = QEMU_HDA_ID_OUTPUT,
- },{
- .id = AC_PAR_REV_ID,
- .val = 0x00100101,
- },{
- .id = AC_PAR_NODE_COUNT,
- .val = 0x00010001,
- },
-};
-
-/* output: audio function */
-static const desc_param output_params_audio_func[] = {
- {
- .id = AC_PAR_FUNCTION_TYPE,
- .val = AC_GRP_AUDIO_FUNCTION,
- },{
- .id = AC_PAR_SUBSYSTEM_ID,
- .val = QEMU_HDA_ID_OUTPUT,
- },{
- .id = AC_PAR_NODE_COUNT,
- .val = 0x00020002,
- },{
- .id = AC_PAR_PCM,
- .val = QEMU_HDA_PCM_FORMATS,
- },{
- .id = AC_PAR_STREAM,
- .val = AC_SUPFMT_PCM,
- },{
- .id = AC_PAR_AMP_IN_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_AMP_OUT_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_GPIO_CAP,
- .val = 0,
- },{
- .id = AC_PAR_AUDIO_FG_CAP,
- .val = 0x00000808,
- },{
- .id = AC_PAR_POWER_STATE,
- .val = 0,
- },
-};
-
-/* output: nodes */
-static const desc_node output_nodes[] = {
- {
- .nid = AC_NODE_ROOT,
- .name = "root",
- .params = output_params_root,
- .nparams = ARRAY_SIZE(output_params_root),
- },{
- .nid = 1,
- .name = "func",
- .params = output_params_audio_func,
- .nparams = ARRAY_SIZE(output_params_audio_func),
- },{
- .nid = 2,
- .name = "dac",
- .params = common_params_audio_dac,
- .nparams = ARRAY_SIZE(common_params_audio_dac),
- .stindex = 0,
- },{
- .nid = 3,
- .name = "out",
- .params = common_params_audio_lineout,
- .nparams = ARRAY_SIZE(common_params_audio_lineout),
- .config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
- (AC_JACK_LINE_OUT << AC_DEFCFG_DEVICE_SHIFT) |
- (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
- (AC_JACK_COLOR_GREEN << AC_DEFCFG_COLOR_SHIFT) |
- 0x10),
- .pinctl = AC_PINCTL_OUT_EN,
- .conn = (uint32_t[]) { 2 },
- }
-};
-
-/* output: codec */
-static const desc_codec output = {
- .name = "output",
- .iid = QEMU_HDA_ID_OUTPUT,
- .nodes = output_nodes,
- .nnodes = ARRAY_SIZE(output_nodes),
-};
-
-/* duplex: root node */
-static const desc_param duplex_params_root[] = {
- {
- .id = AC_PAR_VENDOR_ID,
- .val = QEMU_HDA_ID_DUPLEX,
- },{
- .id = AC_PAR_SUBSYSTEM_ID,
- .val = QEMU_HDA_ID_DUPLEX,
- },{
- .id = AC_PAR_REV_ID,
- .val = 0x00100101,
- },{
- .id = AC_PAR_NODE_COUNT,
- .val = 0x00010001,
- },
-};
-
-/* duplex: audio function */
-static const desc_param duplex_params_audio_func[] = {
- {
- .id = AC_PAR_FUNCTION_TYPE,
- .val = AC_GRP_AUDIO_FUNCTION,
- },{
- .id = AC_PAR_SUBSYSTEM_ID,
- .val = QEMU_HDA_ID_DUPLEX,
- },{
- .id = AC_PAR_NODE_COUNT,
- .val = 0x00020004,
- },{
- .id = AC_PAR_PCM,
- .val = QEMU_HDA_PCM_FORMATS,
- },{
- .id = AC_PAR_STREAM,
- .val = AC_SUPFMT_PCM,
- },{
- .id = AC_PAR_AMP_IN_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_AMP_OUT_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_GPIO_CAP,
- .val = 0,
- },{
- .id = AC_PAR_AUDIO_FG_CAP,
- .val = 0x00000808,
- },{
- .id = AC_PAR_POWER_STATE,
- .val = 0,
- },
-};
-
-/* duplex: nodes */
-static const desc_node duplex_nodes[] = {
- {
- .nid = AC_NODE_ROOT,
- .name = "root",
- .params = duplex_params_root,
- .nparams = ARRAY_SIZE(duplex_params_root),
- },{
- .nid = 1,
- .name = "func",
- .params = duplex_params_audio_func,
- .nparams = ARRAY_SIZE(duplex_params_audio_func),
- },{
- .nid = 2,
- .name = "dac",
- .params = common_params_audio_dac,
- .nparams = ARRAY_SIZE(common_params_audio_dac),
- .stindex = 0,
- },{
- .nid = 3,
- .name = "out",
- .params = common_params_audio_lineout,
- .nparams = ARRAY_SIZE(common_params_audio_lineout),
- .config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
- (AC_JACK_LINE_OUT << AC_DEFCFG_DEVICE_SHIFT) |
- (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
- (AC_JACK_COLOR_GREEN << AC_DEFCFG_COLOR_SHIFT) |
- 0x10),
- .pinctl = AC_PINCTL_OUT_EN,
- .conn = (uint32_t[]) { 2 },
- },{
- .nid = 4,
- .name = "adc",
- .params = common_params_audio_adc,
- .nparams = ARRAY_SIZE(common_params_audio_adc),
- .stindex = 1,
- .conn = (uint32_t[]) { 5 },
- },{
- .nid = 5,
- .name = "in",
- .params = common_params_audio_linein,
- .nparams = ARRAY_SIZE(common_params_audio_linein),
- .config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
- (AC_JACK_LINE_IN << AC_DEFCFG_DEVICE_SHIFT) |
- (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
- (AC_JACK_COLOR_RED << AC_DEFCFG_COLOR_SHIFT) |
- 0x20),
- .pinctl = AC_PINCTL_IN_EN,
- }
-};
-
-/* duplex: codec */
-static const desc_codec duplex = {
- .name = "duplex",
- .iid = QEMU_HDA_ID_DUPLEX,
- .nodes = duplex_nodes,
- .nnodes = ARRAY_SIZE(duplex_nodes),
-};
+#define PARAM mixemu
+#define HDA_MIXER
+#include "hda-codec-common.h"
-/* micro: root node */
-static const desc_param micro_params_root[] = {
- {
- .id = AC_PAR_VENDOR_ID,
- .val = QEMU_HDA_ID_MICRO,
- },{
- .id = AC_PAR_SUBSYSTEM_ID,
- .val = QEMU_HDA_ID_MICRO,
- },{
- .id = AC_PAR_REV_ID,
- .val = 0x00100101,
- },{
- .id = AC_PAR_NODE_COUNT,
- .val = 0x00010001,
- },
-};
-
-/* micro: audio function */
-static const desc_param micro_params_audio_func[] = {
- {
- .id = AC_PAR_FUNCTION_TYPE,
- .val = AC_GRP_AUDIO_FUNCTION,
- },{
- .id = AC_PAR_SUBSYSTEM_ID,
- .val = QEMU_HDA_ID_MICRO,
- },{
- .id = AC_PAR_NODE_COUNT,
- .val = 0x00020004,
- },{
- .id = AC_PAR_PCM,
- .val = QEMU_HDA_PCM_FORMATS,
- },{
- .id = AC_PAR_STREAM,
- .val = AC_SUPFMT_PCM,
- },{
- .id = AC_PAR_AMP_IN_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_AMP_OUT_CAP,
- .val = QEMU_HDA_AMP_NONE,
- },{
- .id = AC_PAR_GPIO_CAP,
- .val = 0,
- },{
- .id = AC_PAR_AUDIO_FG_CAP,
- .val = 0x00000808,
- },{
- .id = AC_PAR_POWER_STATE,
- .val = 0,
- },
-};
-
-/* micro: nodes */
-static const desc_node micro_nodes[] = {
- {
- .nid = AC_NODE_ROOT,
- .name = "root",
- .params = micro_params_root,
- .nparams = ARRAY_SIZE(micro_params_root),
- },{
- .nid = 1,
- .name = "func",
- .params = micro_params_audio_func,
- .nparams = ARRAY_SIZE(micro_params_audio_func),
- },{
- .nid = 2,
- .name = "dac",
- .params = common_params_audio_dac,
- .nparams = ARRAY_SIZE(common_params_audio_dac),
- .stindex = 0,
- },{
- .nid = 3,
- .name = "out",
- .params = common_params_audio_lineout,
- .nparams = ARRAY_SIZE(common_params_audio_lineout),
- .config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
- (AC_JACK_SPEAKER << AC_DEFCFG_DEVICE_SHIFT) |
- (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
- (AC_JACK_COLOR_GREEN << AC_DEFCFG_COLOR_SHIFT) |
- 0x10),
- .pinctl = AC_PINCTL_OUT_EN,
- .conn = (uint32_t[]) { 2 },
- },{
- .nid = 4,
- .name = "adc",
- .params = common_params_audio_adc,
- .nparams = ARRAY_SIZE(common_params_audio_adc),
- .stindex = 1,
- .conn = (uint32_t[]) { 5 },
- },{
- .nid = 5,
- .name = "in",
- .params = common_params_audio_linein,
- .nparams = ARRAY_SIZE(common_params_audio_linein),
- .config = ((AC_JACK_PORT_COMPLEX << AC_DEFCFG_PORT_CONN_SHIFT) |
- (AC_JACK_MIC_IN << AC_DEFCFG_DEVICE_SHIFT) |
- (AC_JACK_CONN_UNKNOWN << AC_DEFCFG_CONN_TYPE_SHIFT) |
- (AC_JACK_COLOR_RED << AC_DEFCFG_COLOR_SHIFT) |
- 0x20),
- .pinctl = AC_PINCTL_IN_EN,
- }
-};
-
-/* micro: codec */
-static const desc_codec micro = {
- .name = "micro",
- .iid = QEMU_HDA_ID_MICRO,
- .nodes = micro_nodes,
- .nnodes = ARRAY_SIZE(micro_nodes),
-};
+#define PARAM nomixemu
+#include "hda-codec-common.h"
/* -------------------------------------------------------------------------- */
uint32_t bpos;
};
+#define TYPE_HDA_AUDIO "hda-audio"
+#define HDA_AUDIO(obj) OBJECT_CHECK(HDAAudioState, (obj), TYPE_HDA_AUDIO)
+
struct HDAAudioState {
HDACodecDevice hda;
const char *name;
/* properties */
uint32_t debug;
+ bool mixer;
};
static void hda_audio_input_cb(void *opaque, int avail)
left = left * 255 / QEMU_HDA_AMP_STEPS;
right = right * 255 / QEMU_HDA_AMP_STEPS;
+ if (!st->state->mixer) {
+ return;
+ }
if (st->output) {
AUD_set_volume_out(st->voice.out, muted, left, right);
} else {
static void hda_audio_command(HDACodecDevice *hda, uint32_t nid, uint32_t data)
{
- HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
+ HDAAudioState *a = HDA_AUDIO(hda);
HDAAudioStream *st;
const desc_node *node = NULL;
const desc_param *param;
static void hda_audio_stream(HDACodecDevice *hda, uint32_t stnr, bool running, bool output)
{
- HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
+ HDAAudioState *a = HDA_AUDIO(hda);
int s;
a->running_compat[stnr] = running;
static int hda_audio_init(HDACodecDevice *hda, const struct desc_codec *desc)
{
- HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
+ HDAAudioState *a = HDA_AUDIO(hda);
HDAAudioStream *st;
const desc_node *node;
const desc_param *param;
for (i = 0; i < a->desc->nnodes; i++) {
node = a->desc->nodes + i;
param = hda_codec_find_param(node, AC_PAR_AUDIO_WIDGET_CAP);
- if (NULL == param)
+ if (param == NULL) {
continue;
+ }
type = (param->val & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
switch (type) {
case AC_WID_AUD_OUT:
static int hda_audio_exit(HDACodecDevice *hda)
{
- HDAAudioState *a = DO_UPCAST(HDAAudioState, hda, hda);
+ HDAAudioState *a = HDA_AUDIO(hda);
HDAAudioStream *st;
int i;
return 0;
}
+static void hda_audio_reset(DeviceState *dev)
+{
+ HDAAudioState *a = HDA_AUDIO(dev);
+ HDAAudioStream *st;
+ int i;
+
+ dprint(a, 1, "%s\n", __func__);
+ for (i = 0; i < ARRAY_SIZE(a->st); i++) {
+ st = a->st + i;
+ if (st->node != NULL) {
+ hda_audio_set_running(st, false);
+ }
+ }
+}
+
static const VMStateDescription vmstate_hda_audio_stream = {
.name = "hda-audio-stream",
.version_id = 1,
- .fields = (VMStateField []) {
+ .fields = (VMStateField[]) {
VMSTATE_UINT32(stream, HDAAudioStream),
VMSTATE_UINT32(channel, HDAAudioStream),
VMSTATE_UINT32(format, HDAAudioStream),
.name = "hda-audio",
.version_id = 2,
.post_load = hda_audio_post_load,
- .fields = (VMStateField []) {
+ .fields = (VMStateField[]) {
VMSTATE_STRUCT_ARRAY(st, HDAAudioState, 4, 0,
vmstate_hda_audio_stream,
HDAAudioStream),
};
static Property hda_audio_properties[] = {
- DEFINE_PROP_UINT32("debug", HDAAudioState, debug, 0),
+ DEFINE_PROP_UINT32("debug", HDAAudioState, debug, 0),
+ DEFINE_PROP_BOOL("mixer", HDAAudioState, mixer, true),
DEFINE_PROP_END_OF_LIST(),
};
static int hda_audio_init_output(HDACodecDevice *hda)
{
- return hda_audio_init(hda, &output);
+ HDAAudioState *a = HDA_AUDIO(hda);
+
+ if (!a->mixer) {
+ return hda_audio_init(hda, &output_nomixemu);
+ } else {
+ return hda_audio_init(hda, &output_mixemu);
+ }
}
static int hda_audio_init_duplex(HDACodecDevice *hda)
{
- return hda_audio_init(hda, &duplex);
+ HDAAudioState *a = HDA_AUDIO(hda);
+
+ if (!a->mixer) {
+ return hda_audio_init(hda, &duplex_nomixemu);
+ } else {
+ return hda_audio_init(hda, &duplex_mixemu);
+ }
}
static int hda_audio_init_micro(HDACodecDevice *hda)
{
- return hda_audio_init(hda, µ);
+ HDAAudioState *a = HDA_AUDIO(hda);
+
+ if (!a->mixer) {
+ return hda_audio_init(hda, µ_nomixemu);
+ } else {
+ return hda_audio_init(hda, µ_mixemu);
+ }
}
-static void hda_audio_output_class_init(ObjectClass *klass, void *data)
+static void hda_audio_base_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
- k->init = hda_audio_init_output;
k->exit = hda_audio_exit;
k->command = hda_audio_command;
k->stream = hda_audio_stream;
set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
- dc->desc = "HDA Audio Codec, output-only (line-out)";
+ dc->reset = hda_audio_reset;
dc->vmsd = &vmstate_hda_audio;
dc->props = hda_audio_properties;
}
+static const TypeInfo hda_audio_info = {
+ .name = TYPE_HDA_AUDIO,
+ .parent = TYPE_HDA_CODEC_DEVICE,
+ .class_init = hda_audio_base_class_init,
+ .abstract = true,
+};
+
+static void hda_audio_output_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
+
+ k->init = hda_audio_init_output;
+ dc->desc = "HDA Audio Codec, output-only (line-out)";
+}
+
static const TypeInfo hda_audio_output_info = {
.name = "hda-output",
- .parent = TYPE_HDA_CODEC_DEVICE,
+ .parent = TYPE_HDA_AUDIO,
.instance_size = sizeof(HDAAudioState),
.class_init = hda_audio_output_class_init,
};
HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
k->init = hda_audio_init_duplex;
- k->exit = hda_audio_exit;
- k->command = hda_audio_command;
- k->stream = hda_audio_stream;
- set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
dc->desc = "HDA Audio Codec, duplex (line-out, line-in)";
- dc->vmsd = &vmstate_hda_audio;
- dc->props = hda_audio_properties;
}
static const TypeInfo hda_audio_duplex_info = {
.name = "hda-duplex",
- .parent = TYPE_HDA_CODEC_DEVICE,
+ .parent = TYPE_HDA_AUDIO,
.instance_size = sizeof(HDAAudioState),
.class_init = hda_audio_duplex_class_init,
};
HDACodecDeviceClass *k = HDA_CODEC_DEVICE_CLASS(klass);
k->init = hda_audio_init_micro;
- k->exit = hda_audio_exit;
- k->command = hda_audio_command;
- k->stream = hda_audio_stream;
- set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
dc->desc = "HDA Audio Codec, duplex (speaker, microphone)";
- dc->vmsd = &vmstate_hda_audio;
- dc->props = hda_audio_properties;
}
static const TypeInfo hda_audio_micro_info = {
.name = "hda-micro",
- .parent = TYPE_HDA_CODEC_DEVICE,
+ .parent = TYPE_HDA_AUDIO,
.instance_size = sizeof(HDAAudioState),
.class_init = hda_audio_micro_class_init,
};
static void hda_audio_register_types(void)
{
+ type_register_static(&hda_audio_info);
type_register_static(&hda_audio_output_info);
type_register_static(&hda_audio_duplex_info);
type_register_static(&hda_audio_micro_info);
projects / qemu.git / blobdiff