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32x: drc: new debug facility (pdb). Few fixes thanks to it.

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@863 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz 2010-01-19 22:17:47 +00:00
parent 2368651527
commit 5686d93123
14 changed files with 708 additions and 33 deletions
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126
cpu/debug_net.c Normal file
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#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <unistd.h>
#include "debug_net.h"
static const char * const regnames[] = {
"PC",
"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7",
"R8", "R9", "R10", "R11", "R12", "R13", "R14", "SP",
"PC2", "PC3", "PR", "SR", "GBR", "VBR", "MACH", "MACL",
"MEM0", "MEM1", // mem i/o csums
};
int main(int argc, char *argv[])
{
unsigned int pc_trace[5][4], pc_trace_p[5] = { 0, };
struct addrinfo *ai, *ais, hints;
int sock = -1, sock1, sock2;
struct sockaddr_in6 sa;
packet_t packet1, packet2;
int i, ret, cnt, cpuid;
socklen_t sal;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_CANONNAME;
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
ret = getaddrinfo("::", "1234", &hints, &ais);
if (ret != 0)
return -1;
for (ai = ais; ai != NULL; ai = ai->ai_next) {
sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
if (sock == -1)
continue;
ret = bind(sock, ai->ai_addr, ai->ai_addrlen);
if (ret != 0) {
close(sock);
sock = -1;
continue;
}
break;
}
freeaddrinfo(ais);
if (sock == -1) {
perror("failed to bind");
return -1;
}
ret = listen(sock, SOMAXCONN);
if (ret != 0) {
perror("failed to listen");
return -1;
}
sal = sizeof(sa);
sock1 = accept(sock, (struct sockaddr *)&sa, &sal);
if (sock1 == -1) {
perror("failed to accept");
return -1;
}
printf("client1 connected\n");
sal = sizeof(sa);
sock2 = accept(sock, (struct sockaddr *)&sa, &sal);
if (sock2 == -1) {
perror("failed to accept");
return -1;
}
printf("client2 connected\n");
for (cnt = 0; ; cnt++)
{
#define tmp_size (4+4 + 24*4 + 2*4)
ret = recv(sock1, &packet1, tmp_size, MSG_WAITALL);
if (ret != tmp_size) {
if (ret < 0)
perror("recv1");
else
printf("recv1 %d\n", ret);
return -1;
}
ret = recv(sock2, &packet2, tmp_size, MSG_WAITALL);
if (ret != tmp_size) {
if (ret < 0)
perror("recv2");
else
printf("recv2 %d\n", ret);
return -1;
}
cpuid = packet1.header.cpuid;
if (memcmp(&packet1, &packet2, sizeof(packet1.header) + packet1.header.len) == 0) {
pc_trace[cpuid][pc_trace_p[cpuid]++ & 3] = packet1.regs[0];
continue;
}
if (*(int *)&packet1.header != *(int *)&packet2.header)
printf("%d: header\n", cnt);
// check regs (and stuff)
for (i = 0; i < 1+24+2; i++)
if (packet1.regs[i] != packet2.regs[i])
printf("%d: %3s: %08x %08x\n", cnt, regnames[i], packet1.regs[i], packet2.regs[i]);
break;
}
printf("--\nCPU %d, trace:", cpuid);
for (i = 0; i < 4; i++)
printf(" %08x", pc_trace[cpuid][pc_trace_p[cpuid]++ & 3]);
printf(" %08x\n", packet1.regs[0]);
for (i = 0; i < 24+1; i++)
printf("%3s: %08x %08x\n", regnames[i], packet1.regs[i], packet2.regs[i]);
return 0;
}