5 #include <sys/socket.h>
11 static const char * const regnames[] = {
13 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
14 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "SP",
15 "PC2", "PC3", "PR", "SR", "GBR", "VBR", "MACH", "MACL",
16 "MEM0", "MEM1", // mem i/o csums
19 int main(int argc, char *argv[])
21 unsigned int pc_trace[5][4], pc_trace_p[5] = { 0, };
22 struct addrinfo *ai, *ais, hints;
23 int sock = -1, sock1, sock2;
24 struct sockaddr_in6 sa;
25 packet_t packet1, packet2;
26 int i, ret, cnt, cpuid;
27 int check_len_override = 0;
31 check_len_override = atoi(argv[1]);
33 memset(&hints, 0, sizeof(hints));
34 hints.ai_flags = AI_CANONNAME;
35 hints.ai_family = PF_UNSPEC;
36 hints.ai_socktype = SOCK_STREAM;
38 ret = getaddrinfo("::", "1234", &hints, &ais);
42 for (ai = ais; ai != NULL; ai = ai->ai_next) {
43 sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
47 ret = bind(sock, ai->ai_addr, ai->ai_addrlen);
58 perror("failed to bind");
62 ret = listen(sock, SOMAXCONN);
64 perror("failed to listen");
69 sock1 = accept(sock, (struct sockaddr *)&sa, &sal);
71 perror("failed to accept");
74 printf("client1 connected\n");
77 sock2 = accept(sock, (struct sockaddr *)&sa, &sal);
79 perror("failed to accept");
82 printf("client2 connected\n");
84 for (cnt = 0; ; cnt++)
87 #define tmp_size (4+4 + 24*4 + 2*4)
88 ret = recv(sock1, &packet1, tmp_size, MSG_WAITALL);
89 if (ret != tmp_size) {
93 printf("recv1 %d\n", ret);
96 ret = recv(sock2, &packet2, tmp_size, MSG_WAITALL);
97 if (ret != tmp_size) {
101 printf("recv2 %d\n", ret);
105 cpuid = packet1.header.cpuid;
106 len = sizeof(packet1.header) + packet1.header.len;
107 if (check_len_override > 0)
108 len = check_len_override;
110 if (memcmp(&packet1, &packet2, len) == 0) {
111 pc_trace[cpuid][pc_trace_p[cpuid]++ & 3] = packet1.regs[0];
115 if (packet1.header.cpuid != packet2.header.cpuid)
116 printf("%d: CPU %d %d\n", cnt, packet1.header.cpuid & 0xff, packet2.header.cpuid & 0xff);
117 else if (*(int *)&packet1.header != *(int *)&packet2.header)
118 printf("%d: header\n", cnt);
120 // check regs (and stuff)
121 for (i = 0; i < 1+24+2; i++)
122 if (packet1.regs[i] != packet2.regs[i])
123 printf("%d: %3s: %08x %08x\n", cnt, regnames[i], packet1.regs[i], packet2.regs[i]);
128 printf("--\nCPU %d\n", cpuid);
129 for (cpuid = 0; cpuid < 2; cpuid++) {
130 printf("trace%d: ", cpuid);
131 for (i = 0; i < 4; i++)
132 printf(" %08x", pc_trace[cpuid][pc_trace_p[cpuid]++ & 3]);
134 if (packet1.header.cpuid == cpuid)
135 printf(" %08x", packet1.regs[0]);
136 else if (packet2.header.cpuid == cpuid)
137 printf(" %08x", packet2.regs[0]);
141 for (i = 0; i < 24+1; i++)
142 printf("%3s: %08x %08x\n", regnames[i], packet1.regs[i], packet2.regs[i]);