WebSVN – HelenOS-historic – Diff – /SPARTAN/trunk/arch/mips/src/asm.S


#
# Copyright (C) 2003-2004 Jakub Jermar
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
 
.text
 
.macro cp0_read reg
	mfc0 $2,\reg
	j $31
	nop
.endm
 
.macro cp0_write reg
	mtc0 $4,\reg
	j $31
	nop
.endm
 
.set noat
.set noreorder
.set nomacro
 
.global cp0_index_read
.global cp0_index_write
.global cp0_random_read
.global cp0_entry_lo0_read
.global cp0_entry_lo0_write
.global cp0_entry_lo1_read
.global cp0_entry_lo1_write
.global cp0_context_read
.global cp0_context_write
.global cp0_pagemask_read
.global cp0_pagemask_write
.global cp0_wired_read
.global cp0_wired_write
.global cp0_badvaddr_read
.global cp0_count_read
.global cp0_count_write
.global cp0_hi_read
.global cp0_hi_write
.global cp0_compare_read
.global cp0_compare_write
.global cp0_status_read
.global cp0_status_write
.global cp0_cause_read
.global cp0_cause_write
.global cp0_epc_read
.global cp0_epc_write
.global cp0_prid_read
 
cp0_index_read:		cp0_read $0
cp0_index_write:	cp0_write $0
 
cp0_random_read:	cp0_read $1
 
cp0_entry_lo0_read:	cp0_read $2
cp0_entry_lo0_write:	cp0_write $2
 
cp0_entry_lo1_read:	cp0_read $3
cp0_entry_lo1_write:	cp0_write $3
 
cp0_context_read:	cp0_read $4
cp0_context_write:	cp0_write $4
 
cp0_pagemask_read:	cp0_read $5
cp0_pagemask_write:	cp0_write $5
 
cp0_wired_read:		cp0_read $6
cp0_wired_write:	cp0_write $6
 
cp0_badvaddr_read:	cp0_read $8
 
cp0_count_read:		cp0_read $9
cp0_count_write:	cp0_write $9
 
cp0_entry_hi_read:	cp0_read $10
cp0_entry_hi_write:	cp0_write $10
 
cp0_compare_read:	cp0_read $11
cp0_compare_write:	cp0_write $11
 
cp0_status_read:	cp0_read $12
cp0_status_write:	cp0_write $12
 
cp0_cause_read:		cp0_read $13
cp0_cause_write:	cp0_write $13
 
cp0_epc_read:		cp0_read $14
cp0_epc_write:		cp0_write $14
 
cp0_prid_read:		cp0_read $15
 
 
.global tlbp
tlbp:
	tlbp
	j $31
	nop
 
.global tlbr
tlbr:
	tlbr
	j $31
	nop
 
.global tlbwi
tlbwi:
	tlbwi
	j $31
	nop
 
.global tlbwr
tlbwr:
	tlbwr
	j $31
	nop
 
.global cpu_halt
cpu_halt:
	j cpu_halt
	nop
 
 
.global memsetb
memsetb:
	j _memsetb
	nop
 
.global memcpy
memcpy:
	j _memcpy
	nop
 
# THIS IS USERSPACE CODE
.global utext
utext:
	j $31
	nop
utext_end:
 
.data
.global utext_size
utext_size:
	.long utext_end-utext
 
 
 

Rev 314	Rev 319
1	#	1	#
2	# Copyright (C) 2001-2004 Jakub Jermar	2	# Copyright (C) 2003-2004 Jakub Jermar
3	# All rights reserved.	3	# All rights reserved.
4	#	4	#
5	# Redistribution and use in source and binary forms, with or without	5	# Redistribution and use in source and binary forms, with or without
6	# modification, are permitted provided that the following conditions	6	# modification, are permitted provided that the following conditions
7	# are met:	7	# are met:
8	#	8	#
9	# - Redistributions of source code must retain the above copyright	9	# - Redistributions of source code must retain the above copyright
10	# notice, this list of conditions and the following disclaimer.	10	# notice, this list of conditions and the following disclaimer.
11	# - Redistributions in binary form must reproduce the above copyright	11	# - Redistributions in binary form must reproduce the above copyright
12	# notice, this list of conditions and the following disclaimer in the	12	# notice, this list of conditions and the following disclaimer in the
13	# documentation and/or other materials provided with the distribution.	13	# documentation and/or other materials provided with the distribution.
14	# - The name of the author may not be used to endorse or promote products	14	# - The name of the author may not be used to endorse or promote products
15	# derived from this software without specific prior written permission.	15	# derived from this software without specific prior written permission.
16	#	16	#
17	# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	#	27	#
28		28
29	.text	29	.text
30		30
31	.macro cp0_read reg	31	.macro cp0_read reg
32	mfc0 $2,\reg	32	mfc0 $2,\reg
33	j $31	33	j $31
34	nop	34	nop
35	.endm	35	.endm
36		36
37	.macro cp0_write reg	37	.macro cp0_write reg
38	mtc0 $4,\reg	38	mtc0 $4,\reg
39	j $31	39	j $31
40	nop	40	nop
41	.endm	41	.endm
42		42
43	.set noat	43	.set noat
44	.set noreorder	44	.set noreorder
45	.set nomacro	45	.set nomacro
46		46
47	.global cp0_index_read	47	.global cp0_index_read
48	.global cp0_index_write	48	.global cp0_index_write
49	.global cp0_random_read	49	.global cp0_random_read
50	.global cp0_entry_lo0_read	50	.global cp0_entry_lo0_read
51	.global cp0_entry_lo0_write	51	.global cp0_entry_lo0_write
52	.global cp0_entry_lo1_read	52	.global cp0_entry_lo1_read
53	.global cp0_entry_lo1_write	53	.global cp0_entry_lo1_write
54	.global cp0_context_read	54	.global cp0_context_read
55	.global cp0_context_write	55	.global cp0_context_write
56	.global cp0_pagemask_read	56	.global cp0_pagemask_read
57	.global cp0_pagemask_write	57	.global cp0_pagemask_write
58	.global cp0_wired_read	58	.global cp0_wired_read
59	.global cp0_wired_write	59	.global cp0_wired_write
60	.global cp0_badvaddr_read	60	.global cp0_badvaddr_read
61	.global cp0_count_read	61	.global cp0_count_read
62	.global cp0_count_write	62	.global cp0_count_write
63	.global cp0_hi_read	63	.global cp0_hi_read
64	.global cp0_hi_write	64	.global cp0_hi_write
65	.global cp0_compare_read	65	.global cp0_compare_read
66	.global cp0_compare_write	66	.global cp0_compare_write
67	.global cp0_status_read	67	.global cp0_status_read
68	.global cp0_status_write	68	.global cp0_status_write
69	.global cp0_cause_read	69	.global cp0_cause_read
70	.global cp0_cause_write	70	.global cp0_cause_write
71	.global cp0_epc_read	71	.global cp0_epc_read
72	.global cp0_epc_write	72	.global cp0_epc_write
73	.global cp0_prid_read	73	.global cp0_prid_read
74		74
75	cp0_index_read: cp0_read $0	75	cp0_index_read: cp0_read $0
76	cp0_index_write: cp0_write $0	76	cp0_index_write: cp0_write $0
77		77
78	cp0_random_read: cp0_read $1	78	cp0_random_read: cp0_read $1
79		79
80	cp0_entry_lo0_read: cp0_read $2	80	cp0_entry_lo0_read: cp0_read $2
81	cp0_entry_lo0_write: cp0_write $2	81	cp0_entry_lo0_write: cp0_write $2
82		82
83	cp0_entry_lo1_read: cp0_read $3	83	cp0_entry_lo1_read: cp0_read $3
84	cp0_entry_lo1_write: cp0_write $3	84	cp0_entry_lo1_write: cp0_write $3
85		85
86	cp0_context_read: cp0_read $4	86	cp0_context_read: cp0_read $4
87	cp0_context_write: cp0_write $4	87	cp0_context_write: cp0_write $4
88		88
89	cp0_pagemask_read: cp0_read $5	89	cp0_pagemask_read: cp0_read $5
90	cp0_pagemask_write: cp0_write $5	90	cp0_pagemask_write: cp0_write $5
91		91
92	cp0_wired_read: cp0_read $6	92	cp0_wired_read: cp0_read $6
93	cp0_wired_write: cp0_write $6	93	cp0_wired_write: cp0_write $6
94		94
95	cp0_badvaddr_read: cp0_read $8	95	cp0_badvaddr_read: cp0_read $8
96		96
97	cp0_count_read: cp0_read $9	97	cp0_count_read: cp0_read $9
98	cp0_count_write: cp0_write $9	98	cp0_count_write: cp0_write $9
99		99
100	cp0_entry_hi_read: cp0_read $10	100	cp0_entry_hi_read: cp0_read $10
101	cp0_entry_hi_write: cp0_write $10	101	cp0_entry_hi_write: cp0_write $10
102		102
103	cp0_compare_read: cp0_read $11	103	cp0_compare_read: cp0_read $11
104	cp0_compare_write: cp0_write $11	104	cp0_compare_write: cp0_write $11
105		105
106	cp0_status_read: cp0_read $12	106	cp0_status_read: cp0_read $12
107	cp0_status_write: cp0_write $12	107	cp0_status_write: cp0_write $12
108		108
109	cp0_cause_read: cp0_read $13	109	cp0_cause_read: cp0_read $13
110	cp0_cause_write: cp0_write $13	110	cp0_cause_write: cp0_write $13
111		111
112	cp0_epc_read: cp0_read $14	112	cp0_epc_read: cp0_read $14
113	cp0_epc_write: cp0_write $14	113	cp0_epc_write: cp0_write $14
114		114
115	cp0_prid_read: cp0_read $15	115	cp0_prid_read: cp0_read $15
116		116
117		117
118	.global tlbp	118	.global tlbp
119	tlbp:	119	tlbp:
120	tlbp	120	tlbp
121	j $31	121	j $31
122	nop	122	nop
123		123
124	.global tlbr	124	.global tlbr
125	tlbr:	125	tlbr:
126	tlbr	126	tlbr
127	j $31	127	j $31
128	nop	128	nop
129		129
130	.global tlbwi	130	.global tlbwi
131	tlbwi:	131	tlbwi:
132	tlbwi	132	tlbwi
133	j $31	133	j $31
134	nop	134	nop
135		135
136	.global tlbwr	136	.global tlbwr
137	tlbwr:	137	tlbwr:
138	tlbwr	138	tlbwr
139	j $31	139	j $31
140	nop	140	nop
141		141
142	.global cpu_halt	142	.global cpu_halt
143	cpu_halt:	143	cpu_halt:
144	j cpu_halt	144	j cpu_halt
145	nop	145	nop
146		146
147		147
148	.global memsetb	148	.global memsetb
149	memsetb:	149	memsetb:
150	j _memsetb	150	j _memsetb
151	nop	151	nop
152		152
153	.global memcpy	153	.global memcpy
154	memcpy:	154	memcpy:
155	j _memcpy	155	j _memcpy
156	nop	156	nop
157		157
158	# THIS IS USERSPACE CODE	158	# THIS IS USERSPACE CODE
159	.global utext	159	.global utext
160	utext:	160	utext:
161	j $31	161	j $31
162	nop	162	nop
163	utext_end:	163	utext_end:
164		164
165	.data	165	.data
166	.global utext_size	166	.global utext_size
167	utext_size:	167	utext_size:
168	.long utext_end-utext	168	.long utext_end-utext
169		169
170		170
171		171

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(root)/SPARTAN/trunk/arch/mips/src/asm.S @ 326 – Rev 314 → 319