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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * OpenSPARC T2 Processor File: ffu_fsr_gsr_n2.s | |
5 | * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
6 | * 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
7 | * | |
8 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | * For the avoidance of doubt, and except that if any non-GPL license | |
24 | * choice is available it will apply instead, Sun elects to use only | |
25 | * the General Public License version 2 (GPLv2) at this time for any | |
26 | * software where a choice of GPL license versions is made | |
27 | * available with the language indicating that GPLv2 or any later version | |
28 | * may be used, or where a choice of which version of the GPL is applied is | |
29 | * otherwise unspecified. | |
30 | * | |
31 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
32 | * CA 95054 USA or visit www.sun.com if you need additional information or | |
33 | * have any questions. | |
34 | * | |
35 | * | |
36 | * ========== Copyright Header End ============================================ | |
37 | */ | |
38 | #define FSR_DUMP_P %g2 | |
39 | #define FSR_DATA_P %g3 | |
40 | #define NUM_CASES 64 | |
41 | ||
42 | #define MAIN_PAGE_HV_ALSO | |
43 | #define MAIN_PAGE_NUCLEUS_ALSO | |
44 | ||
45 | #define ENABLE_T0_Clean_Window_0x24 | |
46 | #define ENABLE_T0_Corrected_ECC_error_0x63 | |
47 | #define ENABLE_T0_Data_Access_Exception_0x30 | |
48 | #define ENABLE_T0_Data_access_error_0x32 | |
49 | #define ENABLE_T0_Division_By_Zero_0x28 | |
50 | #define ENABLE_T0_Fp_disabled_0x20 | |
51 | #define ENABLE_T0_Fp_exception_ieee_754_0x21 | |
52 | #define ENABLE_T0_Fp_exception_other_0x22 | |
53 | #define ENABLE_T0_Illegal_instruction_0x10 | |
54 | #define ENABLE_T0_Instruction_Access_MMU_Miss_0x09 | |
55 | #define ENABLE_T0_Instruction_access_error_0x0a | |
56 | #define ENABLE_T0_Instruction_access_exception_0x08 | |
57 | #define ENABLE_T0_Lddf_Mem_Address_Not_Aligned_0x35 | |
58 | #define ENABLE_T0_Mem_Address_Not_Aligned_0x34 | |
59 | #define ENABLE_T0_Privileged_Action_0x37 | |
60 | #define ENABLE_T0_Privileged_opcode_0x11 | |
61 | #define ENABLE_T0_Stdf_Mem_Address_Not_Aligned_0x36 | |
62 | #define ENABLE_T0_Tag_Overflow_0x23 | |
63 | #define ENABLE_T0_Unimplemented_LDD_0x12 | |
64 | #define ENABLE_T0_Unimplemented_STD_0x13 | |
65 | #define ENABLE_T0_data_access_protection_0x6c | |
66 | #define ENABLE_T0_fast_data_access_MMU_miss_0x68 | |
67 | #define ENABLE_T0_fast_instr_access_MMU_miss_0x64 | |
68 | ||
69 | #include "hboot.s" | |
70 | ||
71 | .global main | |
72 | main: | |
73 | th_fork(th_main,%l0) ! start up to four threads. | |
74 | ! All threads run the same code with different data. | |
75 | th_main_0: | |
76 | setx fsr_save0,%g7,FSR_DUMP_P | |
77 | ba all_thds | |
78 | nop | |
79 | th_main_1: | |
80 | setx fsr_save1,%g7,FSR_DUMP_P | |
81 | ba all_thds | |
82 | nop | |
83 | th_main_2: | |
84 | setx fsr_save2,%g7,FSR_DUMP_P | |
85 | ba all_thds | |
86 | nop | |
87 | th_main_3: | |
88 | setx fsr_save3,%g7,FSR_DUMP_P | |
89 | ba all_thds | |
90 | nop | |
91 | ||
92 | all_thds: | |
93 | wr %g0,0x4,%fprs | |
94 | ||
95 | !------------------------------ | |
96 | ! test FSR reads and writes | |
97 | !------------------------------ | |
98 | setx ones_data,%g7,FSR_DATA_P | |
99 | setx fp_data,%g7,%l0 | |
100 | ldd [%l0],%f0 | |
101 | ldd [%l0+8],%f2 | |
102 | add %g0,NUM_CASES,%l1 | |
103 | ||
104 | fsr_loop: | |
105 | ! 32-bit loads and stores | |
106 | ld [FSR_DATA_P],%fsr ! load followed by store | |
107 | st %fsr,[FSR_DUMP_P] | |
108 | ||
109 | fcmpd %fcc0,%f0,%f2 ! load must wait for fcmp to finish | |
110 | ld [FSR_DUMP_P],%fsr | |
111 | fcmpd %fcc0,%f2,%f0 ! store must wait for fcmp to finish | |
112 | st %fsr,[FSR_DUMP_P] | |
113 | ld [FSR_DATA_P],%fsr ! store followed by load | |
114 | ||
115 | ! 64-bit loads and stores | |
116 | ldx [FSR_DATA_P],%fsr ! load followed by store | |
117 | stx %fsr,[FSR_DUMP_P] | |
118 | ||
119 | fcmpd %fcc3,%f0,%f2 ! load must wait for fcmp to finish | |
120 | ldx [FSR_DUMP_P],%fsr | |
121 | fcmpd %fcc1,%f2,%f0 ! store must wait for fcmp to finish | |
122 | stx %fsr,[FSR_DUMP_P] | |
123 | ldx [FSR_DATA_P],%fsr ! store followed by load | |
124 | ||
125 | ! mixed 32 and 64-bit | |
126 | ldx [FSR_DATA_P],%fsr ! load followed by store | |
127 | stx %fsr,[FSR_DUMP_P] | |
128 | ||
129 | fcmpd %fcc3,%f0,%f2 ! load must wait for fcmp to finish | |
130 | ld [FSR_DUMP_P],%fsr | |
131 | fcmpd %fcc0,%f2,%f0 ! store must wait for fcmp to finish | |
132 | stx %fsr,[FSR_DUMP_P] | |
133 | ldx [FSR_DATA_P],%fsr ! store followed by load | |
134 | fcmpd %fcc3,%f0,%f0 | |
135 | fcmpd %fcc0,%f2,%f2 | |
136 | st %fsr,[FSR_DUMP_P] | |
137 | ||
138 | sub %l1,1,%l1 | |
139 | brnz %l1,fsr_loop | |
140 | add FSR_DATA_P,8,FSR_DATA_P | |
141 | ||
142 | ||
143 | !------------------------------ | |
144 | ! test GSR reads and writes | |
145 | !------------------------------ | |
146 | setx ones_data,%g7,FSR_DATA_P | |
147 | add %g0,NUM_CASES,%l1 | |
148 | add %g0,7,%i0 | |
149 | ||
150 | gsr_loop: | |
151 | ldx [FSR_DATA_P],%l2 | |
152 | alignaddr %i0,%g0,%i1 | |
153 | wr %l2,0,%gsr | |
154 | alignaddr %i0,%g0,%i1 | |
155 | rd %gsr,%l3 | |
156 | ||
157 | sub %l1,1,%l1 | |
158 | brnz %l1,gsr_loop | |
159 | add FSR_DATA_P,8,FSR_DATA_P | |
160 | ||
161 | good_end: | |
162 | ta T_GOOD_TRAP | |
163 | nop | |
164 | nop | |
165 | ||
166 | !========================== | |
167 | .data | |
168 | .align 0x1fff+1 | |
169 | ||
170 | .align 8 | |
171 | fp_data: | |
172 | .word 0x3e780000, 0x12345678 | |
173 | .word 0x3e790000, 0x12345678 | |
174 | ||
175 | .align 8 | |
176 | ones_data: | |
177 | .word 0x00000000, 0x00000000 | |
178 | .word 0x00000000, 0x00000001 | |
179 | .word 0x00000000, 0x00000002 | |
180 | .word 0x00000000, 0x00000004 | |
181 | .word 0x00000000, 0x00000008 | |
182 | .word 0x00000000, 0x00000010 | |
183 | .word 0x00000000, 0x00000020 | |
184 | .word 0x00000000, 0x00000040 | |
185 | .word 0x00000000, 0x00000080 | |
186 | .word 0x00000000, 0x00000100 | |
187 | .word 0x00000000, 0x00000200 | |
188 | .word 0x00000000, 0x00000400 | |
189 | .word 0x00000000, 0x00000800 | |
190 | .word 0x00000000, 0x00001000 | |
191 | .word 0x00000000, 0x00002000 | |
192 | .word 0x00000000, 0x00004000 | |
193 | .word 0x00000000, 0x00008000 | |
194 | .word 0x00000000, 0x00010000 | |
195 | .word 0x00000000, 0x00020000 | |
196 | .word 0x00000000, 0x00040000 | |
197 | .word 0x00000000, 0x00080000 | |
198 | .word 0x00000000, 0x00100000 | |
199 | .word 0x00000000, 0x00200000 | |
200 | .word 0x00000000, 0x00400000 | |
201 | .word 0x00000000, 0x00800000 | |
202 | .word 0x00000000, 0x01000000 | |
203 | .word 0x00000000, 0x02000000 | |
204 | .word 0x00000000, 0x04000000 | |
205 | .word 0x00000000, 0x08000000 | |
206 | .word 0x00000000, 0x10000000 | |
207 | .word 0x00000000, 0x20000000 | |
208 | .word 0x00000000, 0x40000000 | |
209 | .word 0x00000000, 0x80000000 | |
210 | .word 0x00000001, 0x00000000 | |
211 | .word 0x00000002, 0x00000000 | |
212 | .word 0x00000004, 0x00000000 | |
213 | .word 0x00000008, 0x00000000 | |
214 | .word 0x00000010, 0x00000000 | |
215 | .word 0x00000020, 0x00000000 | |
216 | .word 0x00000040, 0x00000000 | |
217 | .word 0x00000080, 0x00000000 | |
218 | .word 0x00000100, 0x00000000 | |
219 | .word 0x00000200, 0x00000000 | |
220 | .word 0x00000400, 0x00000000 | |
221 | .word 0x00000800, 0x00000000 | |
222 | .word 0x00001000, 0x00000000 | |
223 | .word 0x00002000, 0x00000000 | |
224 | .word 0x00004000, 0x00000000 | |
225 | .word 0x00008000, 0x00000000 | |
226 | .word 0x00010000, 0x00000000 | |
227 | .word 0x00020000, 0x00000000 | |
228 | .word 0x00040000, 0x00000000 | |
229 | .word 0x00080000, 0x00000000 | |
230 | .word 0x00100000, 0x00000000 | |
231 | .word 0x00200000, 0x00000000 | |
232 | .word 0x00400000, 0x00000000 | |
233 | .word 0x00800000, 0x00000000 | |
234 | .word 0x01000000, 0x00000000 | |
235 | .word 0x02000000, 0x00000000 | |
236 | .word 0x04000000, 0x00000000 | |
237 | .word 0x08000000, 0x00000000 | |
238 | .word 0x10000000, 0x00000000 | |
239 | .word 0x20000000, 0x00000000 | |
240 | .word 0x40000000, 0x00000000 | |
241 | .word 0x80000000, 0x00000000 | |
242 | ||
243 | fsr_save0: | |
244 | .word 0,0 | |
245 | fsr_save1: | |
246 | .word 0,0 | |
247 | fsr_save2: | |
248 | .word 0,0 | |
249 | fsr_save3: | |
250 | .word 0,0 | |
251 | ||
252 | ||
253 | .end |