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体验新版 GitCode,发现更多精彩内容 >>
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36427ffd
编写于
5月 31, 2020
作者:
B
Bernard Xiong
提交者:
GitHub
5月 31, 2020
浏览文件
操作
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差异文件
Merge pull request #3637 from aozima/aozima
set Systick interrupt priority to the lowest
上级
1ef77bd9
c3d63e49
变更
18
隐藏空白更改
内联
并排
Showing
18 changed file
with
36 addition
and
36 deletion
+36
-36
libcpu/arm/cortex-m0/context_gcc.S
libcpu/arm/cortex-m0/context_gcc.S
+2
-2
libcpu/arm/cortex-m0/context_iar.S
libcpu/arm/cortex-m0/context_iar.S
+2
-2
libcpu/arm/cortex-m0/context_rvds.S
libcpu/arm/cortex-m0/context_rvds.S
+2
-2
libcpu/arm/cortex-m23/context_gcc.S
libcpu/arm/cortex-m23/context_gcc.S
+2
-2
libcpu/arm/cortex-m23/context_iar.S
libcpu/arm/cortex-m23/context_iar.S
+2
-2
libcpu/arm/cortex-m23/context_rvds.S
libcpu/arm/cortex-m23/context_rvds.S
+2
-2
libcpu/arm/cortex-m3/context_gcc.S
libcpu/arm/cortex-m3/context_gcc.S
+2
-2
libcpu/arm/cortex-m3/context_iar.S
libcpu/arm/cortex-m3/context_iar.S
+2
-2
libcpu/arm/cortex-m3/context_rvds.S
libcpu/arm/cortex-m3/context_rvds.S
+2
-2
libcpu/arm/cortex-m33/context_gcc.S
libcpu/arm/cortex-m33/context_gcc.S
+2
-2
libcpu/arm/cortex-m33/context_iar.S
libcpu/arm/cortex-m33/context_iar.S
+2
-2
libcpu/arm/cortex-m33/context_rvds.S
libcpu/arm/cortex-m33/context_rvds.S
+2
-2
libcpu/arm/cortex-m4/context_gcc.S
libcpu/arm/cortex-m4/context_gcc.S
+2
-2
libcpu/arm/cortex-m4/context_iar.S
libcpu/arm/cortex-m4/context_iar.S
+2
-2
libcpu/arm/cortex-m4/context_rvds.S
libcpu/arm/cortex-m4/context_rvds.S
+2
-2
libcpu/arm/cortex-m7/context_gcc.S
libcpu/arm/cortex-m7/context_gcc.S
+2
-2
libcpu/arm/cortex-m7/context_iar.S
libcpu/arm/cortex-m7/context_iar.S
+2
-2
libcpu/arm/cortex-m7/context_rvds.S
libcpu/arm/cortex-m7/context_rvds.S
+2
-2
未找到文件。
libcpu/arm/cortex-m0/context_gcc.S
浏览文件 @
36427ffd
...
...
@@ -22,7 +22,7 @@
.
equ
SCB_VTOR
,
0xE000ED08
/*
Vector
Table
Offset
Register
*/
.
equ
NVIC_INT_CTRL
,
0xE000ED04
/*
interrupt
control
state
register
*/
.
equ
NVIC_SHPR3
,
0xE000ED20
/*
system
priority
register
(
3
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
00FF0000
/*
PendSV
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
FFFF0000
/*
PendSV
and
SysTick
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSVSET
,
0x10000000
/*
value
to
trigger
PendSV
exception
*/
/*
...
...
@@ -159,7 +159,7 @@ rt_hw_context_switch_to:
MOVS
R0
,
#
1
STR
R0
,
[
R1
]
/
*
set
the
PendSV
exception
priority
*/
/
*
set
the
PendSV
and
SysTick
exception
priority
*/
LDR
R0
,
=
NVIC_SHPR3
LDR
R1
,
=
NVIC_PENDSV_PRI
LDR
R2
,
[
R0
,#
0x00
]
/*
read
*/
...
...
libcpu/arm/cortex-m0/context_iar.S
浏览文件 @
36427ffd
...
...
@@ -19,7 +19,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SHPR3
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
SECTION
.
text
:
CODE
(
2
)
...
...
@@ -163,7 +163,7 @@ rt_hw_context_switch_to:
MOVS
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SHPR3
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m0/context_rvds.S
浏览文件 @
36427ffd
...
...
@@ -19,7 +19,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SHPR3
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
AREA
|.text|
,
CODE
,
READONLY
,
ALIGN
=
2
...
...
@@ -168,7 +168,7 @@ rt_hw_context_switch_to PROC
MOVS
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SHPR3
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m23/context_gcc.S
浏览文件 @
36427ffd
...
...
@@ -23,7 +23,7 @@
.
equ
SCB_VTOR
,
0xE000ED08
/*
Vector
Table
Offset
Register
*/
.
equ
NVIC_INT_CTRL
,
0xE000ED04
/*
interrupt
control
state
register
*/
.
equ
NVIC_SHPR3
,
0xE000ED20
/*
system
priority
register
(
3
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
00FF0000
/*
PendSV
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
FFFF0000
/*
PendSV
and
SysTick
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSVSET
,
0x10000000
/*
value
to
trigger
PendSV
exception
*/
/*
...
...
@@ -160,7 +160,7 @@ rt_hw_context_switch_to:
MOVS
R0
,
#
1
STR
R0
,
[
R1
]
/
*
set
the
PendSV
exception
priority
*/
/
*
set
the
PendSV
and
SysTick
exception
priority
*/
LDR
R0
,
=
NVIC_SHPR3
LDR
R1
,
=
NVIC_PENDSV_PRI
LDR
R2
,
[
R0
,#
0x00
]
/*
read
*/
...
...
libcpu/arm/cortex-m23/context_iar.S
浏览文件 @
36427ffd
...
...
@@ -20,7 +20,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SHPR3
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
SECTION
.
text
:
CODE
(
2
)
...
...
@@ -164,7 +164,7 @@ rt_hw_context_switch_to:
MOVS
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SHPR3
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m23/context_rvds.S
浏览文件 @
36427ffd
...
...
@@ -20,7 +20,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SHPR3
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
AREA
|.text|
,
CODE
,
READONLY
,
ALIGN
=
2
...
...
@@ -169,7 +169,7 @@ rt_hw_context_switch_to PROC
MOVS
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SHPR3
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m3/context_gcc.S
浏览文件 @
36427ffd
...
...
@@ -24,7 +24,7 @@
.
equ
PENDSVSET_BIT
,
0x10000000
/*
value
to
trigger
PendSV
exception
*/
.
equ
SHPR3
,
0xE000ED20
/*
system
priority
register
(
3
)
*/
.
equ
PENDSV_PRI_LOWEST
,
0x
00FF0000
/*
PendSV
priority
value
(
lowest
)
*/
.
equ
PENDSV_PRI_LOWEST
,
0x
FFFF0000
/*
PendSV
and
SysTick
priority
value
(
lowest
)
*/
/*
*
rt_base_t
rt_hw_interrupt_disable
()
;
...
...
@@ -140,7 +140,7 @@ rt_hw_context_switch_to:
MOV
R0
,
#
1
STR
R0
,
[
R1
]
/
*
set
the
PendSV
exception
priority
*/
/
*
set
the
PendSV
and
SysTick
exception
priority
*/
LDR
R0
,
=
SHPR3
LDR
R1
,
=
PENDSV_PRI_LOWEST
LDR.W
R2
,
[
R0
,#
0
]
/*
read
*/
...
...
libcpu/arm/cortex-m3/context_iar.S
浏览文件 @
36427ffd
...
...
@@ -19,7 +19,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
SECTION
.
text
:
CODE
(
2
)
...
...
@@ -139,7 +139,7 @@ rt_hw_context_switch_to:
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m3/context_rvds.S
浏览文件 @
36427ffd
...
...
@@ -18,7 +18,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
AREA
|.text|
,
CODE
,
READONLY
,
ALIGN
=
2
...
...
@@ -145,7 +145,7 @@ rt_hw_context_switch_to PROC
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m33/context_gcc.S
浏览文件 @
36427ffd
...
...
@@ -25,7 +25,7 @@
.
equ
SCB_VTOR
,
0xE000ED08
/*
Vector
Table
Offset
Register
*/
.
equ
NVIC_INT_CTRL
,
0xE000ED04
/*
interrupt
control
state
register
*/
.
equ
NVIC_SYSPRI2
,
0xE000ED20
/*
system
priority
register
(
2
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
00FF0000
/*
PendSV
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
FFFF0000
/*
PendSV
and
SysTick
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSVSET
,
0x10000000
/*
value
to
trigger
PendSV
exception
*/
/*
...
...
@@ -225,7 +225,7 @@ rt_hw_context_switch_to:
MOV
r0
,
#
1
STR
r0
,
[
r1
]
/
*
set
the
PendSV
exception
priority
*/
/
*
set
the
PendSV
and
SysTick
exception
priority
*/
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
/*
read
*/
...
...
libcpu/arm/cortex-m33/context_iar.S
浏览文件 @
36427ffd
...
...
@@ -21,7 +21,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
SECTION
.
text
:
CODE
(
2
)
...
...
@@ -231,7 +231,7 @@ rt_hw_context_switch_to:
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m33/context_rvds.S
浏览文件 @
36427ffd
...
...
@@ -20,7 +20,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
AREA
|.text|
,
CODE
,
READONLY
,
ALIGN
=
2
...
...
@@ -232,7 +232,7 @@ rt_hw_context_switch_to PROC
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m4/context_gcc.S
浏览文件 @
36427ffd
...
...
@@ -25,7 +25,7 @@
.
equ
SCB_VTOR
,
0xE000ED08
/*
Vector
Table
Offset
Register
*/
.
equ
NVIC_INT_CTRL
,
0xE000ED04
/*
interrupt
control
state
register
*/
.
equ
NVIC_SYSPRI2
,
0xE000ED20
/*
system
priority
register
(
2
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
00FF0000
/*
PendSV
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
FFFF0000
/*
PendSV
and
SysTick
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSVSET
,
0x10000000
/*
value
to
trigger
PendSV
exception
*/
/*
...
...
@@ -182,7 +182,7 @@ rt_hw_context_switch_to:
MOV
r0
,
#
1
STR
r0
,
[
r1
]
/
*
set
the
PendSV
exception
priority
*/
/
*
set
the
PendSV
and
SysTick
exception
priority
*/
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
/*
read
*/
...
...
libcpu/arm/cortex-m4/context_iar.S
浏览文件 @
36427ffd
...
...
@@ -21,7 +21,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
SECTION
.
text
:
CODE
(
2
)
...
...
@@ -186,7 +186,7 @@ rt_hw_context_switch_to:
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m4/context_rvds.S
浏览文件 @
36427ffd
...
...
@@ -20,7 +20,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
AREA
|.text|
,
CODE
,
READONLY
,
ALIGN
=
2
...
...
@@ -186,7 +186,7 @@ rt_hw_context_switch_to PROC
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m7/context_gcc.S
浏览文件 @
36427ffd
...
...
@@ -25,7 +25,7 @@
.
equ
SCB_VTOR
,
0xE000ED08
/*
Vector
Table
Offset
Register
*/
.
equ
NVIC_INT_CTRL
,
0xE000ED04
/*
interrupt
control
state
register
*/
.
equ
NVIC_SYSPRI2
,
0xE000ED20
/*
system
priority
register
(
2
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
00FF0000
/*
PendSV
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSV_PRI
,
0x
FFFF0000
/*
PendSV
and
SysTick
priority
value
(
lowest
)
*/
.
equ
NVIC_PENDSVSET
,
0x10000000
/*
value
to
trigger
PendSV
exception
*/
/*
...
...
@@ -182,7 +182,7 @@ rt_hw_context_switch_to:
MOV
r0
,
#
1
STR
r0
,
[
r1
]
/
*
set
the
PendSV
exception
priority
*/
/
*
set
the
PendSV
and
SysTick
exception
priority
*/
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
/*
read
*/
...
...
libcpu/arm/cortex-m7/context_iar.S
浏览文件 @
36427ffd
...
...
@@ -21,7 +21,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
SECTION
.
text
:
CODE
(
2
)
...
...
@@ -186,7 +186,7 @@ rt_hw_context_switch_to:
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
libcpu/arm/cortex-m7/context_rvds.S
浏览文件 @
36427ffd
...
...
@@ -20,7 +20,7 @@
SCB_VTOR
EQU
0xE000ED08
; Vector Table Offset Register
NVIC_INT_CTRL
EQU
0xE000ED04
; interrupt control state register
NVIC_SYSPRI2
EQU
0xE000ED20
; system priority register (2)
NVIC_PENDSV_PRI
EQU
0x
00FF0000
; PendSV
priority value (lowest)
NVIC_PENDSV_PRI
EQU
0x
FFFF0000
; PendSV and SysTick
priority value (lowest)
NVIC_PENDSVSET
EQU
0x10000000
; value to trigger PendSV exception
AREA
|.text|
,
CODE
,
READONLY
,
ALIGN
=
2
...
...
@@ -186,7 +186,7 @@ rt_hw_context_switch_to PROC
MOV
r0
,
#
1
STR
r0
,
[
r1
]
; set the PendSV exception priority
; set the PendSV
and SysTick
exception priority
LDR
r0
,
=
NVIC_SYSPRI2
LDR
r1
,
=
NVIC_PENDSV_PRI
LDR.W
r2
,
[
r0
,#
0x00
]
; read
...
...
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