1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
rv64ui-p-xori: file format elf64-littleriscv
Disassembly of section .text.init:
0000000080000000 <_start>:
80000000: 04c0006f j 8000004c <reset_vector>
0000000080000004 <trap_vector>:
80000004: 34202f73 csrr t5,mcause
80000008: 00800f93 li t6,8
8000000c: 03ff0a63 beq t5,t6,80000040 <write_tohost>
80000010: 00900f93 li t6,9
80000014: 03ff0663 beq t5,t6,80000040 <write_tohost>
80000018: 00b00f93 li t6,11
8000001c: 03ff0263 beq t5,t6,80000040 <write_tohost>
80000020: 80000f17 auipc t5,0x80000
80000024: fe0f0f13 addi t5,t5,-32 # 0 <_start-0x80000000>
80000028: 000f0463 beqz t5,80000030 <trap_vector+0x2c>
8000002c: 000f0067 jr t5
80000030: 34202f73 csrr t5,mcause
80000034: 000f5463 bgez t5,8000003c <handle_exception>
80000038: 0040006f j 8000003c <handle_exception>
000000008000003c <handle_exception>:
8000003c: 5391e193 ori gp,gp,1337
0000000080000040 <write_tohost>:
80000040: 00001f17 auipc t5,0x1
80000044: fc3f2023 sw gp,-64(t5) # 80001000 <tohost>
80000048: ff9ff06f j 80000040 <write_tohost>
000000008000004c <reset_vector>:
8000004c: f1402573 csrr a0,mhartid
80000050: 00051063 bnez a0,80000050 <reset_vector+0x4>
80000054: 00000297 auipc t0,0x0
80000058: 01028293 addi t0,t0,16 # 80000064 <reset_vector+0x18>
8000005c: 30529073 csrw mtvec,t0
80000060: 18005073 csrwi satp,0
80000064: 00000297 auipc t0,0x0
80000068: 01c28293 addi t0,t0,28 # 80000080 <reset_vector+0x34>
8000006c: 30529073 csrw mtvec,t0
80000070: fff00293 li t0,-1
80000074: 3b029073 csrw pmpaddr0,t0
80000078: 01f00293 li t0,31
8000007c: 3a029073 csrw pmpcfg0,t0
80000080: 00000297 auipc t0,0x0
80000084: 01828293 addi t0,t0,24 # 80000098 <reset_vector+0x4c>
80000088: 30529073 csrw mtvec,t0
8000008c: 30205073 csrwi medeleg,0
80000090: 30305073 csrwi mideleg,0
80000094: 30405073 csrwi mie,0
80000098: 00000193 li gp,0
8000009c: 00000297 auipc t0,0x0
800000a0: f6828293 addi t0,t0,-152 # 80000004 <trap_vector>
800000a4: 30529073 csrw mtvec,t0
800000a8: 00100513 li a0,1
800000ac: 01f51513 slli a0,a0,0x1f
800000b0: 00055863 bgez a0,800000c0 <reset_vector+0x74>
800000b4: 0ff0000f fence
800000b8: 00100193 li gp,1
800000bc: 00000073 ecall
800000c0: 80000297 auipc t0,0x80000
800000c4: f4028293 addi t0,t0,-192 # 0 <_start-0x80000000>
800000c8: 00028e63 beqz t0,800000e4 <reset_vector+0x98>
800000cc: 10529073 csrw stvec,t0
800000d0: 0000b2b7 lui t0,0xb
800000d4: 1092829b addiw t0,t0,265
800000d8: 30229073 csrw medeleg,t0
800000dc: 30202373 csrr t1,medeleg
800000e0: f4629ee3 bne t0,t1,8000003c <handle_exception>
800000e4: 30005073 csrwi mstatus,0
800000e8: 00000297 auipc t0,0x0
800000ec: 01428293 addi t0,t0,20 # 800000fc <test_2>
800000f0: 34129073 csrw mepc,t0
800000f4: f1402573 csrr a0,mhartid
800000f8: 30200073 mret
00000000800000fc <test_2>:
800000fc: 00ff10b7 lui ra,0xff1
80000100: f000809b addiw ra,ra,-256
80000104: f0f0cf13 xori t5,ra,-241
80000108: ff00feb7 lui t4,0xff00f
8000010c: 00fe8e9b addiw t4,t4,15
80000110: 00200193 li gp,2
80000114: 1ddf1663 bne t5,t4,800002e0 <fail>
0000000080000118 <test_3>:
80000118: 0ff010b7 lui ra,0xff01
8000011c: ff00809b addiw ra,ra,-16
80000120: 0f00cf13 xori t5,ra,240
80000124: 0ff01eb7 lui t4,0xff01
80000128: f00e8e9b addiw t4,t4,-256
8000012c: 00300193 li gp,3
80000130: 1bdf1863 bne t5,t4,800002e0 <fail>
0000000080000134 <test_4>:
80000134: 00ff10b7 lui ra,0xff1
80000138: 8ff0809b addiw ra,ra,-1793
8000013c: 70f0cf13 xori t5,ra,1807
80000140: 00ff1eb7 lui t4,0xff1
80000144: ff0e8e9b addiw t4,t4,-16
80000148: 00400193 li gp,4
8000014c: 19df1a63 bne t5,t4,800002e0 <fail>
0000000080000150 <test_5>:
80000150: f00ff0b7 lui ra,0xf00ff
80000154: 00f0809b addiw ra,ra,15
80000158: 0f00cf13 xori t5,ra,240
8000015c: f00ffeb7 lui t4,0xf00ff
80000160: 0ffe8e9b addiw t4,t4,255
80000164: 00500193 li gp,5
80000168: 17df1c63 bne t5,t4,800002e0 <fail>
000000008000016c <test_6>:
8000016c: ff00f0b7 lui ra,0xff00f
80000170: 7000809b addiw ra,ra,1792
80000174: 70f0c093 xori ra,ra,1807
80000178: ff00feb7 lui t4,0xff00f
8000017c: 00fe8e9b addiw t4,t4,15
80000180: 00600193 li gp,6
80000184: 15d09e63 bne ra,t4,800002e0 <fail>
0000000080000188 <test_7>:
80000188: 00000213 li tp,0
8000018c: 0ff010b7 lui ra,0xff01
80000190: ff00809b addiw ra,ra,-16
80000194: 0f00cf13 xori t5,ra,240
80000198: 000f0313 mv t1,t5
8000019c: 00120213 addi tp,tp,1 # 1 <_start-0x7fffffff>
800001a0: 00200293 li t0,2
800001a4: fe5214e3 bne tp,t0,8000018c <test_7+0x4>
800001a8: 0ff01eb7 lui t4,0xff01
800001ac: f00e8e9b addiw t4,t4,-256
800001b0: 00700193 li gp,7
800001b4: 13d31663 bne t1,t4,800002e0 <fail>
00000000800001b8 <test_8>:
800001b8: 00000213 li tp,0
800001bc: 00ff10b7 lui ra,0xff1
800001c0: 8ff0809b addiw ra,ra,-1793
800001c4: 70f0cf13 xori t5,ra,1807
800001c8: 00000013 nop
800001cc: 000f0313 mv t1,t5
800001d0: 00120213 addi tp,tp,1 # 1 <_start-0x7fffffff>
800001d4: 00200293 li t0,2
800001d8: fe5212e3 bne tp,t0,800001bc <test_8+0x4>
800001dc: 00ff1eb7 lui t4,0xff1
800001e0: ff0e8e9b addiw t4,t4,-16
800001e4: 00800193 li gp,8
800001e8: 0fd31c63 bne t1,t4,800002e0 <fail>
00000000800001ec <test_9>:
800001ec: 00000213 li tp,0
800001f0: f00ff0b7 lui ra,0xf00ff
800001f4: 00f0809b addiw ra,ra,15
800001f8: 0f00cf13 xori t5,ra,240
800001fc: 00000013 nop
80000200: 00000013 nop
80000204: 000f0313 mv t1,t5
80000208: 00120213 addi tp,tp,1 # 1 <_start-0x7fffffff>
8000020c: 00200293 li t0,2
80000210: fe5210e3 bne tp,t0,800001f0 <test_9+0x4>
80000214: f00ffeb7 lui t4,0xf00ff
80000218: 0ffe8e9b addiw t4,t4,255
8000021c: 00900193 li gp,9
80000220: 0dd31063 bne t1,t4,800002e0 <fail>
0000000080000224 <test_10>:
80000224: 00000213 li tp,0
80000228: 0ff010b7 lui ra,0xff01
8000022c: ff00809b addiw ra,ra,-16
80000230: 0f00cf13 xori t5,ra,240
80000234: 00120213 addi tp,tp,1 # 1 <_start-0x7fffffff>
80000238: 00200293 li t0,2
8000023c: fe5216e3 bne tp,t0,80000228 <test_10+0x4>
80000240: 0ff01eb7 lui t4,0xff01
80000244: f00e8e9b addiw t4,t4,-256
80000248: 00a00193 li gp,10
8000024c: 09df1a63 bne t5,t4,800002e0 <fail>
0000000080000250 <test_11>:
80000250: 00000213 li tp,0
80000254: 00ff10b7 lui ra,0xff1
80000258: fff0809b addiw ra,ra,-1
8000025c: 00000013 nop
80000260: 00f0cf13 xori t5,ra,15
80000264: 00120213 addi tp,tp,1 # 1 <_start-0x7fffffff>
80000268: 00200293 li t0,2
8000026c: fe5214e3 bne tp,t0,80000254 <test_11+0x4>
80000270: 00ff1eb7 lui t4,0xff1
80000274: ff0e8e9b addiw t4,t4,-16
80000278: 00b00193 li gp,11
8000027c: 07df1263 bne t5,t4,800002e0 <fail>
0000000080000280 <test_12>:
80000280: 00000213 li tp,0
80000284: f00ff0b7 lui ra,0xf00ff
80000288: 00f0809b addiw ra,ra,15
8000028c: 00000013 nop
80000290: 00000013 nop
80000294: 0f00cf13 xori t5,ra,240
80000298: 00120213 addi tp,tp,1 # 1 <_start-0x7fffffff>
8000029c: 00200293 li t0,2
800002a0: fe5212e3 bne tp,t0,80000284 <test_12+0x4>
800002a4: f00ffeb7 lui t4,0xf00ff
800002a8: 0ffe8e9b addiw t4,t4,255
800002ac: 00c00193 li gp,12
800002b0: 03df1863 bne t5,t4,800002e0 <fail>
00000000800002b4 <test_13>:
800002b4: 0f004093 xori ra,zero,240
800002b8: 0f000e93 li t4,240
800002bc: 00d00193 li gp,13
800002c0: 03d09063 bne ra,t4,800002e0 <fail>
00000000800002c4 <test_14>:
800002c4: 00ff00b7 lui ra,0xff0
800002c8: 0ff0809b addiw ra,ra,255
800002cc: 70f0c013 xori zero,ra,1807
800002d0: 00000e93 li t4,0
800002d4: 00e00193 li gp,14
800002d8: 01d01463 bne zero,t4,800002e0 <fail>
800002dc: 00301c63 bne zero,gp,800002f4 <pass>
00000000800002e0 <fail>:
800002e0: 0ff0000f fence
800002e4: 00018063 beqz gp,800002e4 <fail+0x4>
800002e8: 00119193 slli gp,gp,0x1
800002ec: 0011e193 ori gp,gp,1
800002f0: 00000073 ecall
00000000800002f4 <pass>:
800002f4: 0ff0000f fence
800002f8: 00100193 li gp,1
800002fc: 00000073 ecall
80000300: c0001073 unimp
|