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体验新版 GitCode,发现更多精彩内容 >>
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0980bfab
编写于
7月 07, 2013
作者:
A
Andreas Färber
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
target-ppc: Move cpu_gdb_{read,write}_register()
Signed-off-by:
N
Andreas Färber
<
afaerber@suse.de
>
上级
f20f9df0
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
123 addition
and
100 deletion
+123
-100
gdbstub.c
gdbstub.c
+1
-100
target-ppc/gdbstub.c
target-ppc/gdbstub.c
+122
-0
未找到文件。
gdbstub.c
浏览文件 @
0980bfab
...
...
@@ -524,112 +524,13 @@ static int put_packet(GDBState *s, const char *buf)
#elif defined (TARGET_PPC)
/* Old gdb always expects FP registers. Newer (xml-aware) gdb only
expects whatever the target description contains. Due to a
historical mishap the FP registers appear in between core integer
regs and PC, MSR, CR, and so forth. We hack round this by giving the
FP regs zero size when talking to a newer gdb. */
#if defined (TARGET_PPC64)
#define GDB_CORE_XML "power64-core.xml"
#else
#define GDB_CORE_XML "power-core.xml"
#endif
static
int
cpu_gdb_read_register
(
CPUPPCState
*
env
,
uint8_t
*
mem_buf
,
int
n
)
{
if
(
n
<
32
)
{
/* gprs */
GET_REGL
(
env
->
gpr
[
n
]);
}
else
if
(
n
<
64
)
{
/* fprs */
if
(
gdb_has_xml
)
{
return
0
;
}
stfq_p
(
mem_buf
,
env
->
fpr
[
n
-
32
]);
return
8
;
}
else
{
switch
(
n
)
{
case
64
:
GET_REGL
(
env
->
nip
);
case
65
:
GET_REGL
(
env
->
msr
);
case
66
:
{
uint32_t
cr
=
0
;
int
i
;
for
(
i
=
0
;
i
<
8
;
i
++
)
{
cr
|=
env
->
crf
[
i
]
<<
(
32
-
((
i
+
1
)
*
4
));
}
GET_REG32
(
cr
);
}
case
67
:
GET_REGL
(
env
->
lr
);
case
68
:
GET_REGL
(
env
->
ctr
);
case
69
:
GET_REGL
(
env
->
xer
);
case
70
:
{
if
(
gdb_has_xml
)
{
return
0
;
}
GET_REG32
(
env
->
fpscr
);
}
}
}
return
0
;
}
static
int
cpu_gdb_write_register
(
CPUPPCState
*
env
,
uint8_t
*
mem_buf
,
int
n
)
{
if
(
n
<
32
)
{
/* gprs */
env
->
gpr
[
n
]
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
}
else
if
(
n
<
64
)
{
/* fprs */
if
(
gdb_has_xml
)
{
return
0
;
}
env
->
fpr
[
n
-
32
]
=
ldfq_p
(
mem_buf
);
return
8
;
}
else
{
switch
(
n
)
{
case
64
:
env
->
nip
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
65
:
ppc_store_msr
(
env
,
ldtul_p
(
mem_buf
));
return
sizeof
(
target_ulong
);
case
66
:
{
uint32_t
cr
=
ldl_p
(
mem_buf
);
int
i
;
for
(
i
=
0
;
i
<
8
;
i
++
)
{
env
->
crf
[
i
]
=
(
cr
>>
(
32
-
((
i
+
1
)
*
4
)))
&
0xF
;
}
return
4
;
}
case
67
:
env
->
lr
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
68
:
env
->
ctr
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
69
:
env
->
xer
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
70
:
/* fpscr */
if
(
gdb_has_xml
)
{
return
0
;
}
store_fpscr
(
env
,
ldtul_p
(
mem_buf
),
0xffffffff
);
return
sizeof
(
target_ulong
);
}
}
return
0
;
}
#include "target-ppc/gdbstub.c"
#elif defined (TARGET_SPARC)
...
...
target-ppc/gdbstub.c
0 → 100644
浏览文件 @
0980bfab
/*
* PowerPC gdb server stub
*
* Copyright (c) 2003-2005 Fabrice Bellard
* Copyright (c) 2013 SUSE LINUX Products GmbH
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/* Old gdb always expects FP registers. Newer (xml-aware) gdb only
* expects whatever the target description contains. Due to a
* historical mishap the FP registers appear in between core integer
* regs and PC, MSR, CR, and so forth. We hack round this by giving the
* FP regs zero size when talking to a newer gdb.
*/
static
int
cpu_gdb_read_register
(
CPUPPCState
*
env
,
uint8_t
*
mem_buf
,
int
n
)
{
if
(
n
<
32
)
{
/* gprs */
GET_REGL
(
env
->
gpr
[
n
]);
}
else
if
(
n
<
64
)
{
/* fprs */
if
(
gdb_has_xml
)
{
return
0
;
}
stfq_p
(
mem_buf
,
env
->
fpr
[
n
-
32
]);
return
8
;
}
else
{
switch
(
n
)
{
case
64
:
GET_REGL
(
env
->
nip
);
case
65
:
GET_REGL
(
env
->
msr
);
case
66
:
{
uint32_t
cr
=
0
;
int
i
;
for
(
i
=
0
;
i
<
8
;
i
++
)
{
cr
|=
env
->
crf
[
i
]
<<
(
32
-
((
i
+
1
)
*
4
));
}
GET_REG32
(
cr
);
}
case
67
:
GET_REGL
(
env
->
lr
);
case
68
:
GET_REGL
(
env
->
ctr
);
case
69
:
GET_REGL
(
env
->
xer
);
case
70
:
{
if
(
gdb_has_xml
)
{
return
0
;
}
GET_REG32
(
env
->
fpscr
);
}
}
}
return
0
;
}
static
int
cpu_gdb_write_register
(
CPUPPCState
*
env
,
uint8_t
*
mem_buf
,
int
n
)
{
if
(
n
<
32
)
{
/* gprs */
env
->
gpr
[
n
]
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
}
else
if
(
n
<
64
)
{
/* fprs */
if
(
gdb_has_xml
)
{
return
0
;
}
env
->
fpr
[
n
-
32
]
=
ldfq_p
(
mem_buf
);
return
8
;
}
else
{
switch
(
n
)
{
case
64
:
env
->
nip
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
65
:
ppc_store_msr
(
env
,
ldtul_p
(
mem_buf
));
return
sizeof
(
target_ulong
);
case
66
:
{
uint32_t
cr
=
ldl_p
(
mem_buf
);
int
i
;
for
(
i
=
0
;
i
<
8
;
i
++
)
{
env
->
crf
[
i
]
=
(
cr
>>
(
32
-
((
i
+
1
)
*
4
)))
&
0xF
;
}
return
4
;
}
case
67
:
env
->
lr
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
68
:
env
->
ctr
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
69
:
env
->
xer
=
ldtul_p
(
mem_buf
);
return
sizeof
(
target_ulong
);
case
70
:
/* fpscr */
if
(
gdb_has_xml
)
{
return
0
;
}
store_fpscr
(
env
,
ldtul_p
(
mem_buf
),
0xffffffff
);
return
sizeof
(
target_ulong
);
}
}
return
0
;
}
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