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nexedi
linux
Commits
f241265f
Commit
f241265f
authored
Apr 13, 2016
by
Ralf Baechle
Browse files
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Browse Files
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Plain Diff
MIPS: BMIPS: Make whitespacely correct.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
21b30c00
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
136 additions
and
136 deletions
+136
-136
arch/mips/kernel/bmips_5xxx_init.S
arch/mips/kernel/bmips_5xxx_init.S
+136
-136
No files found.
arch/mips/kernel/bmips_5xxx_init.S
View file @
f241265f
...
...
@@ -27,16 +27,16 @@
#define cacheop(kva, size, linesize, op) \
.
set
noreorder
; \
addu
t1
,
kva
,
size
; \
subu
t2
,
linesize
,
1
; \
not
t2
; \
and
t0
,
kva
,
t2
; \
addiu
t1
,
t1
,
-
1
;
\
and
t1
,
t2
; \
9
:
cache
op
,
0
(
t0
)
; \
bne
t0
,
t1
,
9
b
; \
addu
t0
,
linesize
; \
.
set
reorder
;
addu
t1
,
kva
,
size
; \
subu
t2
,
linesize
,
1
; \
not
t2
; \
and
t0
,
kva
,
t2
; \
addiu
t1
,
t1
,
-
1
;
\
and
t1
,
t2
; \
9
:
cache
op
,
0
(
t0
)
; \
bne
t0
,
t1
,
9
b
; \
addu
t0
,
linesize
; \
.
set
reorder
;
...
...
@@ -59,13 +59,13 @@
#define CP0_BRCM_MODE $22, 1
#define CP0_CONFIG_K0_MASK 7
#define CP0_ICACHE_TAG_LO
$28
#define CP0_ICACHE_DATA_LO
$28, 1
#define CP0_DCACHE_TAG_LO
$28, 2
#define CP0_ICACHE_TAG_LO
$28
#define CP0_ICACHE_DATA_LO
$28, 1
#define CP0_DCACHE_TAG_LO
$28, 2
#define CP0_D_SEC_CACHE_DATA_LO $28, 3
#define CP0_ICACHE_TAG_HI
$29
#define CP0_ICACHE_DATA_HI
$29, 1
#define CP0_DCACHE_TAG_HI
$29, 2
#define CP0_ICACHE_TAG_HI
$29
#define CP0_ICACHE_DATA_HI
$29, 1
#define CP0_DCACHE_TAG_HI
$29, 2
#define CP0_BRCM_MODE_Luc_MASK (1 << 11)
#define CP0_BRCM_CONFIG0_CWF_MASK (1 << 20)
...
...
@@ -78,7 +78,7 @@
#define CP0_BRCM_MODE_BrHIST_SHIFT 20
/*
ZSC
L2
Cache
Register
Access
Register
Definitions
*/
#define BRCM_ZSC_ALL_REGS_SELECT
0x7 << 24
#define BRCM_ZSC_ALL_REGS_SELECT
0x7 << 24
#define BRCM_ZSC_CONFIG_REG 0 << 3
#define BRCM_ZSC_REQ_BUFFER_REG 2 << 3
...
...
@@ -117,9 +117,9 @@
*/
LEAF
(
size_i_cache
)
.
set
noreorder
.
set
noreorder
mfc0
a0
,
CP0_CONFIG
,
1
mfc0
a0
,
CP0_CONFIG
,
1
move
t0
,
a0
/
*
...
...
@@ -131,13 +131,13 @@ LEAF(size_i_cache)
*
vi
)
0x5
-
0x7
:
Reserved
.
*/
srl
a0
,
a0
,
IS_SHIFT
and
a0
,
a0
,
IS_MASK
srl
a0
,
a0
,
IS_SHIFT
and
a0
,
a0
,
IS_MASK
/
*
sets
per
way
=
(
64
<<
IS
)
*/
li
v0
,
0x40
sllv
v0
,
v0
,
a0
sllv
v0
,
v0
,
a0
/
*
*
Determine
line
size
...
...
@@ -186,17 +186,17 @@ LEAF(size_i_cache)
*/
multu
v0
,
a0
/*
multu
is
interlocked
,
so
no
need
to
insert
nops
*/
mflo
v0
mflo
v0
b
1
f
nop
no_i_cache
:
move
v0
,
zero
move
v0
,
zero
move
v1
,
zero
1
:
jr
ra
jr
ra
nop
.
set
reorder
.
set
reorder
END
(
size_i_cache
)
...
...
@@ -210,9 +210,9 @@ END(size_i_cache)
*/
LEAF
(
size_d_cache
)
.
set
noreorder
.
set
noreorder
mfc0
a0
,
CP0_CONFIG
,
1
mfc0
a0
,
CP0_CONFIG
,
1
move
t0
,
a0
/
*
...
...
@@ -224,13 +224,13 @@ LEAF(size_d_cache)
*
vi
)
0x5
-
0x7
:
Reserved
.
*/
srl
a0
,
a0
,
DS_SHIFT
and
a0
,
a0
,
DS_MASK
srl
a0
,
a0
,
DS_SHIFT
and
a0
,
a0
,
DS_MASK
/
*
sets
per
way
=
(
64
<<
IS
)
*/
li
v0
,
0x40
sllv
v0
,
v0
,
a0
sllv
v0
,
v0
,
a0
/
*
*
Determine
line
size
...
...
@@ -277,18 +277,18 @@ LEAF(size_d_cache)
*/
multu
v0
,
a0
/*
multu
is
interlocked
,
so
no
need
to
insert
nops
*/
mflo
v0
mflo
v0
b
1
f
nop
no_d_cache
:
move
v0
,
zero
move
v0
,
zero
move
v1
,
zero
1
:
jr
ra
nop
.
set
reorder
.
set
reorder
END
(
size_d_cache
)
...
...
@@ -298,22 +298,22 @@ END(size_d_cache)
*
Arguments
:
None
*
Returns
:
None
*
Description
:
Enable
I
and
D
caches
,
initialize
I
and
D
-
caches
,
also
set
*
hardware
delay
for
d
-
cache
(
TP0
)
.
*
hardware
delay
for
d
-
cache
(
TP0
)
.
*
Trashes
:
t0
*
*/
.
global
enable_ID
.
ent
enable_ID
.
set
noreorder
.
set
noreorder
enable_ID
:
mfc0
t0
,
CP0_BRCM_CONFIG0
mfc0
t0
,
CP0_BRCM_CONFIG0
or
t0
,
t0
,
(
ICE_MASK
|
DCE_MASK
)
mtc0
t0
,
CP0_BRCM_CONFIG0
mtc0
t0
,
CP0_BRCM_CONFIG0
jr
ra
nop
.
end
enable_ID
.
set
reorder
.
set
reorder
/*
...
...
@@ -326,16 +326,16 @@ enable_ID:
*/
.
globl
l1_init
.
ent
l1_init
.
set
noreorder
.
set
noreorder
l1_init
:
/
*
save
return
address
*/
move
t8
,
ra
move
t8
,
ra
/
*
initialize
I
and
D
cache
Data
and
Tag
registers
.
*/
mtc0
zero
,
CP0_ICACHE_TAG_LO
mtc0
zero
,
CP0_ICACHE_TAG_HI
mtc0
zero
,
CP0_ICACHE_TAG_LO
mtc0
zero
,
CP0_ICACHE_TAG_HI
mtc0
zero
,
CP0_ICACHE_DATA_LO
mtc0
zero
,
CP0_ICACHE_DATA_HI
mtc0
zero
,
CP0_DCACHE_TAG_LO
...
...
@@ -363,13 +363,13 @@ l1_init:
*
set
K0
cache
mode
*/
mfc0
t0
,
CP0_CONFIG
and
t0
,
t0
,
~
CP0_CONFIG_K0_MASK
or
t0
,
t0
,
3
/*
Write
Back
mode
*/
mtc0
t0
,
CP0_CONFIG
mfc0
t0
,
CP0_CONFIG
and
t0
,
t0
,
~
CP0_CONFIG_K0_MASK
or
t0
,
t0
,
3
/*
Write
Back
mode
*/
mtc0
t0
,
CP0_CONFIG
/
*
*
Initialize
instruction
cache
.
*
Initialize
instruction
cache
.
*/
li
a0
,
KSEG0
...
...
@@ -386,21 +386,21 @@ l1_init:
nop
1
:
/
*
*
Initialize
data
cache
.
*
Initialize
data
cache
.
*/
jal
size_d_cache
/*
v0
=
d
-
cache
size
,
v1
=
d
-
cache
line
size
*/
nop
li
a0
,
KSEG0
li
a0
,
KSEG0
cacheop
(
a0
,
v0
,
v1
,
Index_Store_Tag_D
)
jr
t8
nop
.
end
l1_init
.
set
reorder
.
set
reorder
/*
...
...
@@ -416,23 +416,23 @@ l1_init:
LEAF
(
set_other_config
)
.
set
noreorder
/
*
enable
Bus
error
for
I
-
fetch
*/
mfc0
t0
,
CP0_CACHEERR
,
0
li
t1
,
0x4
or
t0
,
t1
/
*
enable
Bus
error
for
I
-
fetch
*/
mfc0
t0
,
CP0_CACHEERR
,
0
li
t1
,
0x4
or
t0
,
t1
mtc0
t0
,
CP0_CACHEERR
,
0
/
*
enable
Bus
error
for
Load
*/
mfc0
t0
,
CP0_CACHEERR
,
1
li
t1
,
0x4
or
t0
,
t1
/
*
enable
Bus
error
for
Load
*/
mfc0
t0
,
CP0_CACHEERR
,
1
li
t1
,
0x4
or
t0
,
t1
mtc0
t0
,
CP0_CACHEERR
,
1
/
*
enable
Bus
Error
for
Store
*/
mfc0
t0
,
CP0_CACHEERR
,
2
mfc0
t0
,
CP0_CACHEERR
,
2
li
t1
,
0x4
or
t0
,
t1
mtc0
t0
,
CP0_CACHEERR
,
2
mtc0
t0
,
CP0_CACHEERR
,
2
jr
ra
nop
...
...
@@ -452,7 +452,7 @@ END(set_other_config)
LEAF
(
set_branch_pred
)
.
set
noreorder
mfc0
t0
,
CP0_BRCM_MODE
mfc0
t0
,
CP0_BRCM_MODE
li
t1
,
~
(
CP0_BRCM_MODE_BrPRED_MASK
|
CP0_BRCM_MODE_BrHIST_MASK
)
and
t0
,
t0
,
t1
...
...
@@ -466,10 +466,10 @@ LEAF(set_branch_pred)
sll
t1
,
CP0_BRCM_MODE_BrHIST_SHIFT
or
t0
,
t0
,
t1
mtc0
t0
,
CP0_BRCM_MODE
mtc0
t0
,
CP0_BRCM_MODE
jr
ra
nop
.
set
reorder
.
set
reorder
END
(
set_branch_pred
)
...
...
@@ -483,17 +483,17 @@ END(set_branch_pred)
*/
LEAF
(
set_luc
)
.
set
noreorder
mfc0
t0
,
CP0_BRCM_MODE
mfc0
t0
,
CP0_BRCM_MODE
li
t1
,
~
(
CP0_BRCM_MODE_Luc_MASK
)
and
t0
,
t0
,
t1
/
*
set
Luc
*/
ori
t0
,
t0
,
CP0_BRCM_MODE_Luc_MASK
ori
t0
,
t0
,
CP0_BRCM_MODE_Luc_MASK
mtc0
t0
,
CP0_BRCM_MODE
mtc0
t0
,
CP0_BRCM_MODE
jr
ra
nop
.
set
reorder
.
set
reorder
END
(
set_luc
)
/*
...
...
@@ -506,19 +506,19 @@ END(set_luc)
*/
LEAF
(
set_cwf_tse
)
.
set
noreorder
mfc0
t0
,
CP0_BRCM_CONFIG0
mfc0
t0
,
CP0_BRCM_CONFIG0
li
t1
,
(
CP0_BRCM_CONFIG0_CWF_MASK
|
CP0_BRCM_CONFIG0_TSE_MASK
)
or
t0
,
t0
,
t1
mtc0
t0
,
CP0_BRCM_CONFIG0
mtc0
t0
,
CP0_BRCM_CONFIG0
jr
ra
nop
.
set
reorder
.
set
reorder
END
(
set_cwf_tse
)
/*
*
Function
:
set_clock_ratio
*
Arguments
:
set
clock
ratio
specified
by
a0
*
Arguments
:
set
clock
ratio
specified
by
a0
*
Returns
:
None
*
Description
:
*
Trashes
:
v0
,
v1
,
a0
,
a1
...
...
@@ -529,56 +529,56 @@ END(set_cwf_tse)
LEAF
(
set_clock_ratio
)
.
set
noreorder
mfc0
t0
,
CP0_BRCM_MODE
mfc0
t0
,
CP0_BRCM_MODE
li
t1
,
~
(
CP0_BRCM_MODE_SET_MASK
|
CP0_BRCM_MODE_ClkRATIO_MASK
)
and
t0
,
t0
,
t1
li
t1
,
CP0_BRCM_MODE_SET_MASK
or
t0
,
t0
,
t1
or
t0
,
t0
,
a0
mtc0
t0
,
CP0_BRCM_MODE
mtc0
t0
,
CP0_BRCM_MODE
jr
ra
nop
.
set
reorder
.
set
reorder
END
(
set_clock_ratio
)
/*
*
Function
:
set_zephyr
*
Arguments
:
None
*
Returns
:
None
*
Arguments
:
None
*
Returns
:
None
*
Description
:
Set
any
zephyr
bits
*
Trashes
:
t0
&
t1
*
Trashes
:
t0
&
t1
*
*/
LEAF
(
set_zephyr
)
.
set
noreorder
.
set
noreorder
/
*
enable
read
/
write
of
CP0
#
22
sel
.
8
*/
li
t0
,
0x5a455048
.
word
0x4088b00f
/*
mtc0
t0
,
$
22
,
15
*/
/
*
enable
read
/
write
of
CP0
#
22
sel
.
8
*/
li
t0
,
0x5a455048
.
word
0x4088b00f
/*
mtc0
t0
,
$
22
,
15
*/
.
word
0x4008b008
/*
mfc0
t0
,
$
22
,
8
*/
li
t1
,
0x09008000
/*
turn
off
pref
,
jtb
*/
or
t0
,
t0
,
t1
.
word
0x4088b008
/*
mtc0
t0
,
$
22
,
8
*/
sync
.
word
0x4008b008
/*
mfc0
t0
,
$
22
,
8
*/
li
t1
,
0x09008000
/*
turn
off
pref
,
jtb
*/
or
t0
,
t0
,
t1
.
word
0x4088b008
/*
mtc0
t0
,
$
22
,
8
*/
sync
/
*
disable
read
/
write
of
CP0
#
22
sel
8
*/
li
t0
,
0x0
.
word
0x4088b00f
/*
mtc0
t0
,
$
22
,
15
*/
li
t0
,
0x0
.
word
0x4088b00f
/*
mtc0
t0
,
$
22
,
15
*/
jr
ra
nop
jr
ra
nop
.
set
reorder
END
(
set_zephyr
)
/*
*
Function
:
set_llmb
*
Arguments
:
a0
=
0
disable
llmb
,
a0
=
1
enables
llmb
*
Returns
:
None
*
Function
:
set_llmb
*
Arguments
:
a0
=
0
disable
llmb
,
a0
=
1
enables
llmb
*
Returns
:
None
*
Description
:
*
Trashes
:
t0
,
t1
,
t2
*
Trashes
:
t0
,
t1
,
t2
*
*
pseudo
code
:
*
...
...
@@ -607,7 +607,7 @@ svlmb:
cache
0xb
,
0x0
(
t2
)
sync
jr
ra
jr
ra
nop
.
set
reorder
...
...
@@ -623,7 +623,7 @@ END(set_llmb)
*
*/
.
globl
core_init
.
ent
core_init
.
ent
core_init
.
set
noreorder
core_init
:
move
t8
,
ra
...
...
@@ -639,8 +639,8 @@ core_init:
#endif
/
*
set
low
latency
memory
bus
*/
li
a0
,
1
bal
set_llmb
li
a0
,
1
bal
set_llmb
nop
/
*
set
branch
prediction
(
TP0
only
)
*/
...
...
@@ -652,7 +652,7 @@ core_init:
nop
/
*
set
CWF
and
TSE
*/
bal
set_cwf_tse
bal
set_cwf_tse
nop
/
*
...
...
@@ -676,44 +676,44 @@ core_init:
/*
*
Function
:
clear_jump_target_buffer
*
Arguments
:
None
*
Returns
:
None
*
Arguments
:
None
*
Returns
:
None
*
Description
:
*
Trashes
:
t0
,
t1
,
t2
*
Trashes
:
t0
,
t1
,
t2
*
*/
#define RESET_CALL_RETURN_STACK_THIS_THREAD
(0x06<<16)
#define RESET_JUMP_TARGET_BUFFER_THIS_THREAD
(0x04<<16)
#define RESET_CALL_RETURN_STACK_THIS_THREAD
(0x06<<16)
#define RESET_JUMP_TARGET_BUFFER_THIS_THREAD
(0x04<<16)
#define JTB_CS_CNTL_MASK (0xFF<<16)
.
globl
clear_jump_target_buffer
.
ent
clear_jump_target_buffer
.
set
noreorder
.
globl
clear_jump_target_buffer
.
ent
clear_jump_target_buffer
.
set
noreorder
clear_jump_target_buffer
:
mfc0
t0
,
$
22
,
2
nop
nop
li
t1
,
~
JTB_CS_CNTL_MASK
and
t0
,
t0
,
t1
li
t2
,
RESET_CALL_RETURN_STACK_THIS_THREAD
or
t0
,
t0
,
t2
mtc0
t0
,
$
22
,
2
nop
nop
and
t0
,
t0
,
t1
li
t2
,
RESET_JUMP_TARGET_BUFFER_THIS_THREAD
or
t0
,
t0
,
t2
mtc0
t0
,
$
22
,
2
nop
nop
jr
ra
nop
.
end
clear_jump_target_buffer
.
set
reorder
mfc0
t0
,
$
22
,
2
nop
nop
li
t1
,
~
JTB_CS_CNTL_MASK
and
t0
,
t0
,
t1
li
t2
,
RESET_CALL_RETURN_STACK_THIS_THREAD
or
t0
,
t0
,
t2
mtc0
t0
,
$
22
,
2
nop
nop
and
t0
,
t0
,
t1
li
t2
,
RESET_JUMP_TARGET_BUFFER_THIS_THREAD
or
t0
,
t0
,
t2
mtc0
t0
,
$
22
,
2
nop
nop
jr
ra
nop
.
end
clear_jump_target_buffer
.
set
reorder
/*
*
Function
:
bmips_cache_init
*
Arguments
:
None
...
...
@@ -724,11 +724,11 @@ clear_jump_target_buffer:
*/
.
globl
bmips_5xxx_init
.
ent
bmips_5xxx_init
.
set
noreorder
.
set
noreorder
bmips_5xxx_init
:
/
*
save
return
address
and
A0
*/
move
t7
,
ra
/
*
save
return
address
and
A0
*/
move
t7
,
ra
move
t5
,
a0
jal
l1_init
...
...
@@ -740,14 +740,14 @@ bmips_5xxx_init:
jal
clear_jump_target_buffer
nop
mtc0
zero
,
CP0_CAUSE
mtc0
zero
,
CP0_CAUSE
move
a0
,
t5
jr
t7
nop
.
end
bmips_5xxx_init
.
set
reorder
.
set
reorder
#endif
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