cff531af |
1 | /* |
2 | * PDB, the PicoDrive debugger |
3 | * (C) notaz, 2010 |
4 | * |
5 | * This work is licensed under the terms of MAME license. |
6 | * See COPYING file in the top-level directory. |
7 | */ |
5686d931 |
8 | #include <stdio.h> |
04092e32 |
9 | #include <stdlib.h> |
5686d931 |
10 | #include <string.h> |
11 | #include <sys/types.h> |
12 | #include <sys/socket.h> |
13 | #include <netdb.h> |
14 | #include <unistd.h> |
15 | |
16 | #include "debug_net.h" |
17 | |
18 | static const char * const regnames[] = { |
19 | "PC", |
20 | "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", |
21 | "R8", "R9", "R10", "R11", "R12", "R13", "R14", "SP", |
22 | "PC2", "PC3", "PR", "SR", "GBR", "VBR", "MACH", "MACL", |
23 | "MEM0", "MEM1", // mem i/o csums |
24 | }; |
25 | |
26 | int main(int argc, char *argv[]) |
27 | { |
28 | unsigned int pc_trace[5][4], pc_trace_p[5] = { 0, }; |
29 | struct addrinfo *ai, *ais, hints; |
30 | int sock = -1, sock1, sock2; |
31 | struct sockaddr_in6 sa; |
32 | packet_t packet1, packet2; |
33 | int i, ret, cnt, cpuid; |
a2b8c5a5 |
34 | int check_len_override = 0; |
5686d931 |
35 | socklen_t sal; |
36 | |
a2b8c5a5 |
37 | if (argv[1] != NULL) |
38 | check_len_override = atoi(argv[1]); |
39 | |
5686d931 |
40 | memset(&hints, 0, sizeof(hints)); |
41 | hints.ai_flags = AI_CANONNAME; |
42 | hints.ai_family = PF_UNSPEC; |
43 | hints.ai_socktype = SOCK_STREAM; |
44 | |
45 | ret = getaddrinfo("::", "1234", &hints, &ais); |
46 | if (ret != 0) |
47 | return -1; |
48 | |
49 | for (ai = ais; ai != NULL; ai = ai->ai_next) { |
50 | sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); |
51 | if (sock == -1) |
52 | continue; |
53 | |
54 | ret = bind(sock, ai->ai_addr, ai->ai_addrlen); |
55 | if (ret != 0) { |
56 | close(sock); |
57 | sock = -1; |
58 | continue; |
59 | } |
60 | break; |
61 | } |
62 | freeaddrinfo(ais); |
63 | |
64 | if (sock == -1) { |
65 | perror("failed to bind"); |
66 | return -1; |
67 | } |
68 | |
69 | ret = listen(sock, SOMAXCONN); |
70 | if (ret != 0) { |
71 | perror("failed to listen"); |
72 | return -1; |
73 | } |
74 | |
75 | sal = sizeof(sa); |
76 | sock1 = accept(sock, (struct sockaddr *)&sa, &sal); |
77 | if (sock1 == -1) { |
78 | perror("failed to accept"); |
79 | return -1; |
80 | } |
81 | printf("client1 connected\n"); |
82 | |
83 | sal = sizeof(sa); |
84 | sock2 = accept(sock, (struct sockaddr *)&sa, &sal); |
85 | if (sock2 == -1) { |
86 | perror("failed to accept"); |
87 | return -1; |
88 | } |
89 | printf("client2 connected\n"); |
90 | |
91 | for (cnt = 0; ; cnt++) |
92 | { |
a2b8c5a5 |
93 | int len; |
5686d931 |
94 | #define tmp_size (4+4 + 24*4 + 2*4) |
95 | ret = recv(sock1, &packet1, tmp_size, MSG_WAITALL); |
96 | if (ret != tmp_size) { |
97 | if (ret < 0) |
98 | perror("recv1"); |
99 | else |
100 | printf("recv1 %d\n", ret); |
101 | return -1; |
102 | } |
103 | ret = recv(sock2, &packet2, tmp_size, MSG_WAITALL); |
104 | if (ret != tmp_size) { |
105 | if (ret < 0) |
106 | perror("recv2"); |
107 | else |
108 | printf("recv2 %d\n", ret); |
109 | return -1; |
110 | } |
111 | |
112 | cpuid = packet1.header.cpuid; |
a2b8c5a5 |
113 | len = sizeof(packet1.header) + packet1.header.len; |
114 | if (check_len_override > 0) |
115 | len = check_len_override; |
116 | |
117 | if (memcmp(&packet1, &packet2, len) == 0) { |
5686d931 |
118 | pc_trace[cpuid][pc_trace_p[cpuid]++ & 3] = packet1.regs[0]; |
119 | continue; |
120 | } |
121 | |
a2b8c5a5 |
122 | if (packet1.header.cpuid != packet2.header.cpuid) |
04092e32 |
123 | printf("%d: CPU %d %d\n", cnt, packet1.header.cpuid & 0xff, packet2.header.cpuid & 0xff); |
a2b8c5a5 |
124 | else if (*(int *)&packet1.header != *(int *)&packet2.header) |
5686d931 |
125 | printf("%d: header\n", cnt); |
126 | |
127 | // check regs (and stuff) |
128 | for (i = 0; i < 1+24+2; i++) |
129 | if (packet1.regs[i] != packet2.regs[i]) |
130 | printf("%d: %3s: %08x %08x\n", cnt, regnames[i], packet1.regs[i], packet2.regs[i]); |
131 | |
132 | break; |
133 | } |
134 | |
a2b8c5a5 |
135 | printf("--\nCPU %d\n", cpuid); |
136 | for (cpuid = 0; cpuid < 2; cpuid++) { |
137 | printf("trace%d: ", cpuid); |
138 | for (i = 0; i < 4; i++) |
139 | printf(" %08x", pc_trace[cpuid][pc_trace_p[cpuid]++ & 3]); |
140 | |
141 | if (packet1.header.cpuid == cpuid) |
142 | printf(" %08x", packet1.regs[0]); |
143 | else if (packet2.header.cpuid == cpuid) |
144 | printf(" %08x", packet2.regs[0]); |
145 | printf("\n"); |
146 | } |
5686d931 |
147 | |
148 | for (i = 0; i < 24+1; i++) |
149 | printf("%3s: %08x %08x\n", regnames[i], packet1.regs[i], packet2.regs[i]); |
150 | |
151 | return 0; |
152 | } |
153 | |