1990/0227/power/boot.c (diff list | history)

power/boot.c on 1990/0227
1990/0227		#include <u.h> #include <libc.h> #include <fcall.h> Fcall hdr; char buf[100]; char srv[100]; void error(char *); typedef struct address { char *name; char *cmd; } Address; Address addr[] = { { "ross", "connect 020701005eff" }, { "bootes", "connect 080069020205" }, { "helix", "connect 080069020427" }, { "spindle", "connect 0800690202df" }, { "r70", "connect 08002b04265d" }, { "bitbootes", "bitconnect" }, { 0 } }; #define DEFUSER "bootes" char * lookup(char *arg) { Address *a; if(strcmp(arg, "?")==0 || strcmp(arg, "help")==0){ for(a = addr; a->name; a++) print("%s\n", a->name); return 0; } for(a = addr; a->name; a++){ if(strcmp(a->name, arg) == 0) return a->cmd; } return 0; } main(int argc, char *argv[]) { int cfd, fd, n, fu, f; char buf[NAMELEN]; char *scmd; open("#c/cons", 0); open("#c/cons", 1); open("#c/cons", 1); /* * get server */ do{ do{ print("server[%s]: ", addr[0].name); n = read(0, srv, sizeof srv); }while(n==0); if(n < 0) error("can't read #c/cons; please reboot"); if(n == 1) strcpy(srv, addr[0].name); else srv[n-1] = 0; scmd = lookup(srv); }while(scmd == 0); /* * get user. if the user typed cr to the server question, skip * the user question and just use the default. */ if(n != 1){ do{ print("user[%s]: ", DEFUSER); n = read(0, buf, sizeof buf); }while(n==0); if(n < 0) error("can't read #c/cons; please reboot"); if(n == 1) strcpy(buf, DEFUSER); else buf[n-1] = 0; }else strcpy(buf, DEFUSER); fu = create("#c/user", 1, 0600); if(fu < 0) error("#c/user"); n = strlen(buf); if(write(fu, buf, n) != n) error("user write"); close(fu); if(strcmp(scmd, "bitconnect") == 0){ fd = open("#b/bit", ORDWR); if(fd < 0) error("opening #b/bit"); goto Mesg; } /* * grab a lance channel, make it recognize ether type 0x900, * and push the nonet ethernet multiplexor onto it. */ cfd = open("#l/1/ctl", 2); if(cfd < 0) error("opening #l/1/ctl"); if(write(cfd, "connect 0x900", sizeof("connect 0x900")-1)<0) error("connect 0x900"); if(write(cfd, "push noether", sizeof("push noether")-1)<0) error("push noether"); /* * grab a nonet channel and call up the ross file server */ fd = open("#n/1/data", 2); if(fd < 0) error("opening #n/1/data"); cfd = open("#n/1/ctl", 2); if(cfd < 0) error("opening #n/1/ctl"); if(write(cfd, scmd, strlen(scmd))<0) error(scmd); Mesg: print("nop..."); hdr.type = Tnop; n = convS2M(&hdr, buf); if(write(fd, buf, n) != n) error("write nop"); n = read(fd, buf, sizeof buf); if(n <= 0) error("read nop"); if(convM2S(buf, &hdr, n) == 0) { print("n = %d; buf = %.2x %.2x %.2x %.2x\n", n, buf[0], buf[1], buf[2], buf[3]); error("format nop"); } if(hdr.type != Rnop) error("not Rnop"); print("session..."); hdr.type = Tsession; hdr.lang = 'v'; n = convS2M(&hdr, buf); if(write(fd, buf, n) != n) error("write session"); n = read(fd, buf, sizeof buf); if(n <= 0) error("read session"); if(convM2S(buf, &hdr, n) == 0) error("format session"); if(hdr.type != Rsession) error("not Rsession"); if(hdr.err){ print("error %d;", hdr.err); error("remote error"); } print("post..."); sprint(buf, "#s/%s", srv); f = create(buf, 1, 0666); if(f < 0) error("create"); sprint(buf, "%d", fd); if(write(f, buf, strlen(buf)) != strlen(buf)) error("write"); close(f); sprint(buf, "#s/%s", srv); f = create("#s/boot", 1, 0666); if(f < 0) error("create"); sprint(buf, "%d", fd); if(write(f, buf, strlen(buf)) != strlen(buf)) error("write"); close(f); print("mount..."); if(bind("/", "/", MREPL) < 0) error("bind"); if(mount(fd, "/", MAFTER|MCREATE, "") < 0) error("mount"); print("success\n"); execl("/mips/init", "init", 0); error("/mips/init"); } void error(char *s) { char buf[64]; errstr(0, buf); fprint(2, "boot: %s: %s\n", s, buf); exits(0); }