Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
openeuler
qemu
提交
7de141cb
Q
qemu
项目概览
openeuler
/
qemu
通知
10
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
Q
qemu
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
7de141cb
编写于
6月 16, 2010
作者:
E
Edgar E. Iglesias
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
cris: Centralize fetching
Signed-off-by:
N
Edgar E. Iglesias
<
edgar.iglesias@gmail.com
>
上级
a699a7be
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
44 addition
and
22 deletion
+44
-22
target-cris/translate.c
target-cris/translate.c
+44
-22
未找到文件。
target-cris/translate.c
浏览文件 @
7de141cb
...
...
@@ -227,6 +227,42 @@ static inline void t_gen_mov_preg_TN(DisasContext *dc, int r, TCGv tn)
}
}
static
int
cris_fetch
(
DisasContext
*
dc
,
uint32_t
addr
,
unsigned
int
size
,
unsigned
int
sign
)
{
int
r
;
switch
(
size
)
{
case
4
:
{
r
=
ldl_code
(
addr
);
break
;
}
case
2
:
{
if
(
sign
)
{
r
=
ldsw_code
(
addr
);
}
else
{
r
=
lduw_code
(
addr
);
}
break
;
}
case
1
:
{
if
(
sign
)
{
r
=
ldsb_code
(
addr
);
}
else
{
r
=
ldub_code
(
addr
);
}
break
;
}
default:
cpu_abort
(
dc
->
env
,
"Invalid fetch size %d
\n
"
,
size
);
break
;
}
return
r
;
}
static
void
cris_lock_irq
(
DisasContext
*
dc
)
{
dc
->
clear_locked_irq
=
0
;
...
...
@@ -1306,21 +1342,7 @@ static int dec_prep_move_m(DisasContext *dc, int s_ext, int memsize,
if
(
memsize
==
1
)
insn_len
++
;
if
(
memsize
!=
4
)
{
if
(
s_ext
)
{
if
(
memsize
==
1
)
imm
=
ldsb_code
(
dc
->
pc
+
2
);
else
imm
=
ldsw_code
(
dc
->
pc
+
2
);
}
else
{
if
(
memsize
==
1
)
imm
=
ldub_code
(
dc
->
pc
+
2
);
else
imm
=
lduw_code
(
dc
->
pc
+
2
);
}
}
else
imm
=
ldl_code
(
dc
->
pc
+
2
);
imm
=
cris_fetch
(
dc
,
dc
->
pc
+
2
,
memsize
,
s_ext
);
tcg_gen_movi_tl
(
dst
,
imm
);
dc
->
postinc
=
0
;
}
else
{
...
...
@@ -2758,7 +2780,7 @@ static int dec_lapc_im(DisasContext *dc)
rd
=
dc
->
op2
;
cris_cc_mask
(
dc
,
0
);
imm
=
ldl_code
(
dc
->
pc
+
2
);
imm
=
cris_fetch
(
dc
,
dc
->
pc
+
2
,
4
,
0
);
LOG_DIS
(
"lapc 0x%x, $r%u
\n
"
,
imm
+
dc
->
pc
,
dc
->
op2
);
pc
=
dc
->
pc
;
...
...
@@ -2801,7 +2823,7 @@ static int dec_jas_im(DisasContext *dc)
{
uint32_t
imm
;
imm
=
ldl_code
(
dc
->
pc
+
2
);
imm
=
cris_fetch
(
dc
,
dc
->
pc
+
2
,
4
,
0
);
LOG_DIS
(
"jas 0x%x
\n
"
,
imm
);
cris_cc_mask
(
dc
,
0
);
...
...
@@ -2817,7 +2839,7 @@ static int dec_jasc_im(DisasContext *dc)
{
uint32_t
imm
;
imm
=
ldl_code
(
dc
->
pc
+
2
);
imm
=
cris_fetch
(
dc
,
dc
->
pc
+
2
,
4
,
0
);
LOG_DIS
(
"jasc 0x%x
\n
"
,
imm
);
cris_cc_mask
(
dc
,
0
);
...
...
@@ -2845,7 +2867,7 @@ static int dec_bcc_im(DisasContext *dc)
int32_t
offset
;
uint32_t
cond
=
dc
->
op2
;
offset
=
ldsw_code
(
dc
->
pc
+
2
);
offset
=
cris_fetch
(
dc
,
dc
->
pc
+
2
,
2
,
1
);
LOG_DIS
(
"b%s %d pc=%x dst=%x
\n
"
,
cc_name
(
cond
),
offset
,
...
...
@@ -2862,7 +2884,7 @@ static int dec_bas_im(DisasContext *dc)
int32_t
simm
;
simm
=
ldl_code
(
dc
->
pc
+
2
);
simm
=
cris_fetch
(
dc
,
dc
->
pc
+
2
,
4
,
0
);
LOG_DIS
(
"bas 0x%x, $p%u
\n
"
,
dc
->
pc
+
simm
,
dc
->
op2
);
cris_cc_mask
(
dc
,
0
);
...
...
@@ -2877,7 +2899,7 @@ static int dec_bas_im(DisasContext *dc)
static
int
dec_basc_im
(
DisasContext
*
dc
)
{
int32_t
simm
;
simm
=
ldl_code
(
dc
->
pc
+
2
);
simm
=
cris_fetch
(
dc
,
dc
->
pc
+
2
,
4
,
0
);
LOG_DIS
(
"basc 0x%x, $p%u
\n
"
,
dc
->
pc
+
simm
,
dc
->
op2
);
cris_cc_mask
(
dc
,
0
);
...
...
@@ -3075,7 +3097,7 @@ static unsigned int crisv32_decoder(DisasContext *dc)
tcg_gen_debug_insn_start
(
dc
->
pc
);
/* Load a halfword onto the instruction register. */
dc
->
ir
=
lduw_code
(
dc
->
pc
);
dc
->
ir
=
cris_fetch
(
dc
,
dc
->
pc
,
2
,
0
);
/* Now decode it. */
dc
->
opcode
=
EXTRACT_FIELD
(
dc
->
ir
,
4
,
11
);
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录