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体验新版 GitCode,发现更多精彩内容 >>
提交
9df34396
编写于
9月 10, 2009
作者:
G
Gerd Hoffmann
提交者:
malc
9月 10, 2009
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
qdev/isa: convert gravis ultrasound
Signed-off-by:
N
Gerd Hoffmann
<
kraxel@redhat.com
>
上级
f8ba7846
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
51 addition
and
28 deletion
+51
-28
hw/gus.c
hw/gus.c
+49
-26
hw/gusemu.h
hw/gusemu.h
+2
-2
未找到文件。
hw/gus.c
浏览文件 @
9df34396
...
...
@@ -54,16 +54,18 @@ static struct {
}
conf
=
{
0x240
,
7
,
3
,
44100
};
typedef
struct
GUSState
{
ISADevice
dev
;
GUSEmuState
emu
;
QEMUSoundCard
card
;
int
freq
;
uint32_t
freq
;
uint32_t
port
;
int
pos
,
left
,
shift
,
irqs
;
GUSsample
*
mixbuf
;
uint8_t
himem
[
1024
*
1024
+
32
+
4096
];
int
samples
;
SWVoiceOut
*
voice
;
int64_t
last_ticks
;
qemu_irq
*
pic
;
qemu_irq
pic
;
}
GUSState
;
IO_READ_PROTO
(
gus_readb
)
...
...
@@ -168,8 +170,8 @@ reset:
int
GUS_irqrequest
(
GUSEmuState
*
emu
,
int
hwirq
,
int
n
)
{
GUSState
*
s
=
emu
->
opaque
;
/* qemu_irq_lower (s->pic
[hwirq]
); */
qemu_irq_raise
(
s
->
pic
[
hwirq
]
);
/* qemu_irq_lower (s->pic); */
qemu_irq_raise
(
s
->
pic
);
s
->
irqs
+=
n
;
ldebug
(
"irqrequest %d %d %d
\n
"
,
hwirq
,
n
,
s
->
irqs
);
return
n
;
...
...
@@ -179,7 +181,7 @@ void GUS_irqclear (GUSEmuState *emu, int hwirq)
{
GUSState
*
s
=
emu
->
opaque
;
ldebug
(
"irqclear %d %d
\n
"
,
hwirq
,
s
->
irqs
);
qemu_irq_lower
(
s
->
pic
[
hwirq
]
);
qemu_irq_lower
(
s
->
pic
);
s
->
irqs
-=
1
;
#ifdef IRQ_STORM
if
(
s
->
irqs
>
0
)
{
...
...
@@ -250,16 +252,14 @@ static int GUS_load (QEMUFile *f, void *opaque, int version_id)
return
0
;
}
int
GUS_init
(
qemu_irq
*
pic
)
static
int
gus_initfn
(
ISADevice
*
dev
)
{
GUSState
*
s
;
GUSState
*
s
=
DO_UPCAST
(
GUSState
,
dev
,
dev
)
;
struct
audsettings
as
;
s
=
qemu_mallocz
(
sizeof
(
*
s
));
AUD_register_card
(
"gus"
,
&
s
->
card
);
as
.
freq
=
conf
.
freq
;
as
.
freq
=
s
->
freq
;
as
.
nchannels
=
2
;
as
.
fmt
=
AUD_FMT_S16
;
as
.
endianness
=
GUS_ENDIANNESS
;
...
...
@@ -283,34 +283,57 @@ int GUS_init (qemu_irq *pic)
s
->
samples
=
AUD_get_buffer_size_out
(
s
->
voice
)
>>
s
->
shift
;
s
->
mixbuf
=
qemu_mallocz
(
s
->
samples
<<
s
->
shift
);
register_ioport_write
(
conf
.
port
,
1
,
1
,
gus_writeb
,
s
);
register_ioport_write
(
conf
.
port
,
1
,
2
,
gus_writew
,
s
);
register_ioport_write
(
s
->
port
,
1
,
1
,
gus_writeb
,
s
);
register_ioport_write
(
s
->
port
,
1
,
2
,
gus_writew
,
s
);
register_ioport_read
((
conf
.
port
+
0x100
)
&
0xf00
,
1
,
1
,
gus_readb
,
s
);
register_ioport_read
((
conf
.
port
+
0x100
)
&
0xf00
,
1
,
2
,
gus_readw
,
s
);
register_ioport_read
((
s
->
port
+
0x100
)
&
0xf00
,
1
,
1
,
gus_readb
,
s
);
register_ioport_read
((
s
->
port
+
0x100
)
&
0xf00
,
1
,
2
,
gus_readw
,
s
);
register_ioport_write
(
conf
.
port
+
6
,
10
,
1
,
gus_writeb
,
s
);
register_ioport_write
(
conf
.
port
+
6
,
10
,
2
,
gus_writew
,
s
);
register_ioport_read
(
conf
.
port
+
6
,
10
,
1
,
gus_readb
,
s
);
register_ioport_read
(
conf
.
port
+
6
,
10
,
2
,
gus_readw
,
s
);
register_ioport_write
(
s
->
port
+
6
,
10
,
1
,
gus_writeb
,
s
);
register_ioport_write
(
s
->
port
+
6
,
10
,
2
,
gus_writew
,
s
);
register_ioport_read
(
s
->
port
+
6
,
10
,
1
,
gus_readb
,
s
);
register_ioport_read
(
s
->
port
+
6
,
10
,
2
,
gus_readw
,
s
);
register_ioport_write
(
conf
.
port
+
0x100
,
8
,
1
,
gus_writeb
,
s
);
register_ioport_write
(
conf
.
port
+
0x100
,
8
,
2
,
gus_writew
,
s
);
register_ioport_read
(
conf
.
port
+
0x100
,
8
,
1
,
gus_readb
,
s
);
register_ioport_read
(
conf
.
port
+
0x100
,
8
,
2
,
gus_readw
,
s
);
register_ioport_write
(
s
->
port
+
0x100
,
8
,
1
,
gus_writeb
,
s
);
register_ioport_write
(
s
->
port
+
0x100
,
8
,
2
,
gus_writew
,
s
);
register_ioport_read
(
s
->
port
+
0x100
,
8
,
1
,
gus_readb
,
s
);
register_ioport_read
(
s
->
port
+
0x100
,
8
,
2
,
gus_readw
,
s
);
DMA_register_channel
(
conf
.
dma
,
GUS_read_DMA
,
s
);
s
->
emu
.
gusirq
=
conf
.
irq
;
s
->
emu
.
gusdma
=
conf
.
dma
;
s
->
emu
.
himemaddr
=
s
->
himem
;
s
->
emu
.
gusdatapos
=
s
->
emu
.
himemaddr
+
1024
*
1024
+
32
;
s
->
emu
.
opaque
=
s
;
s
->
freq
=
conf
.
freq
;
s
->
pic
=
pic
;
isa_init_irq
(
dev
,
&
s
->
pic
,
s
->
emu
.
gusirq
);
AUD_set_active_out
(
s
->
voice
,
1
);
register_savevm
(
"gus"
,
0
,
2
,
GUS_save
,
GUS_load
,
s
);
return
0
;
}
int
GUS_init
(
qemu_irq
*
pic
)
{
isa_create_simple
(
"gus"
);
return
0
;
}
static
ISADeviceInfo
gus_info
=
{
.
qdev
.
name
=
"gus"
,
.
qdev
.
desc
=
"Creative Sound Blaster 16"
,
.
qdev
.
size
=
sizeof
(
GUSState
),
.
init
=
gus_initfn
,
.
qdev
.
props
=
(
Property
[])
{
DEFINE_PROP_UINT32
(
"freq"
,
GUSState
,
freq
,
44100
),
DEFINE_PROP_HEX32
(
"iobase"
,
GUSState
,
port
,
0x240
),
DEFINE_PROP_UINT32
(
"irq"
,
GUSState
,
emu
.
gusirq
,
7
),
DEFINE_PROP_UINT32
(
"dma"
,
GUSState
,
emu
.
gusdma
,
3
),
DEFINE_PROP_END_OF_LIST
(),
},
};
static
void
gus_register
(
void
)
{
isa_qdev_register
(
&
gus_info
);
}
device_init
(
gus_register
)
hw/gusemu.h
浏览文件 @
9df34396
...
...
@@ -46,8 +46,8 @@ typedef struct _GUSEmuState
{
GUSbyte
*
himemaddr
;
/* 1024*1024 bytes used for storing uploaded samples (+32 additional bytes for read padding) */
GUSbyte
*
gusdatapos
;
/* (gusdataend-gusdata) bytes used for storing emulated GF1/mixer register states (32*32+4 bytes in initial GUSemu32 version) */
in
t
gusirq
;
in
t
gusdma
;
uint32_
t
gusirq
;
uint32_
t
gusdma
;
unsigned
int
timer1fraction
;
unsigned
int
timer2fraction
;
void
*
opaque
;
...
...
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