1990/0504/power/bboot.c (diff list | history)

1990/0430/sys/src/9/power/bboot.c:19,25 – 1990/0504/sys/src/9/power/bboot.c:19,24 (short | long | prev | next)
1990/0427		int cfd; int efd;
1990/0424		typedef struct address { char *name;
1990/0430/sys/src/9/power/bboot.c:65,74 – 1990/0504/sys/src/9/power/bboot.c:64,74
1990/0427		char *lookup(char *); int readseg(int, int, long, long, int); int readkernel(int);
1990/0504		int readconf(int);
1990/0427		int outin(char *, char *, char *, int); void prerror(char *); void error(char *); void boot(int);
1990/0504		void boot(int, char *);
1990/0427		/* * usage: 9b [-a] [server] [file]
1990/0430/sys/src/9/power/bboot.c:78,88 – 1990/0504/sys/src/9/power/bboot.c:78,91
1990/0427		main(int argc, char *argv[])
1990/0424		{
1990/0427		int i;
1990/0504		char *sysname;
1990/0424
1990/0427		open("#c/cons", 0); open("#c/cons", 1); open("#c/cons", 1);
1990/0424
1990/0504		sysname = argv[0];
1990/0427		argv++; argc--; while(argc > 0){
1990/0430/sys/src/9/power/bboot.c:105,111 – 1990/0504/sys/src/9/power/bboot.c:108,114
1990/0427		break; }
1990/0424
1990/0427		boot(0);
1990/0504		boot(0, sysname);
1990/0427		for(;;){ if(fd > 0) close(fd);
1990/0430/sys/src/9/power/bboot.c:114,127 – 1990/0504/sys/src/9/power/bboot.c:117,131
1990/0427		if(efd > 0) close(efd); fd = cfd = efd = 0; boot(1);
1990/0504		boot(1, sysname);
1990/0427		}
1990/0424		}
1990/0427		void boot(int ask)
1990/0504		boot(int ask, char *addr)
1990/0424		{
1990/0427		int n;
1990/0504		char conffile[128];
1990/0424
1990/0427		if(ask){ outin("bootfile", bootfile, bbuf, sizeof(bbuf));
1990/0430/sys/src/9/power/bboot.c:140,146 – 1990/0504/sys/src/9/power/bboot.c:144,149
1990/0427		return; }
1990/0424
1990/0427		print("Booting %s from server %s\n", bootfile, sys);
1990/0424		/*
1990/0427		* for the bit, we skip all the ether goo
1990/0430/sys/src/9/power/bboot.c:252,260 – 1990/0504/sys/src/9/power/bboot.c:255,272
1990/0427		}
1990/0424		close(fd); print("open file...");
1990/0504		sprint(conffile, "/mips/conf/%s", addr); print("%s...", conffile); while((fd = open(conffile, OREAD)) < 0){ outin("conffile", conffile, conffile, sizeof(conffile)); } if(readconf(fd) < 0) prerror("readconf"); close(fd); print("%s...", bootfile);
1990/0427		while((fd = open(bootfile, OREAD)) < 0){ outin("bootfile", DEFFILE, bbuf, sizeof(bbuf));
1990/0504		outin("bootfile", bootfile, bbuf, sizeof(bbuf));
1990/0427		bootfile = bbuf; }
1990/0424		readkernel(fd);
1990/0430/sys/src/9/power/bboot.c:336,341 – 1990/0504/sys/src/9/power/bboot.c:348,397
1990/0427		} /*
1990/0504		* set a configuration value */ /* * read the configuration */ int readconf(int fd) { int bfd; int n; long x; /* * read the config file */ n = read(fd, buf, sizeof(buf)-1); if(n <= 0) return -1; buf[n] = 0; /* * write into 4 meg - 4k */ bfd = open("#b/mem", OWRITE); if(bfd < 0){ prerror("can't open #b/mem"); return; } x = 0x80000000 | 4*1024*1024 - 4*1024; if(seek(bfd, x, 0) != x){ close(bfd); return -1; } if(write(bfd, buf, n+1) != n+1){ close(bfd); return -1; } close(bfd); return 0; } /*
1990/0427		* read the kernel into memory and jump to it */ int
1990/0430/sys/src/9/power/bboot.c:369,375 – 1990/0504/sys/src/9/power/bboot.c:425,431
1990/0427		close(bfd); return; } print("+%d\n", a_out.bss);
1990/0504		print("+%d", a_out.bss);
1990/0427		close(bfd); bfd = open("#b/boot", OWRITE);
1990/0430/sys/src/9/power/bboot.c:378,384 – 1990/0504/sys/src/9/power/bboot.c:434,440
1990/0427		return; } print("entry: %ux\n", a_out.entryva);
1990/0504		print(" entry: 0x%ux\n", a_out.entryva);
1990/0427		sleep(1000); if(write(bfd, &a_out.entryva, sizeof a_out.entryva) != sizeof a_out.entryva){ prerror("can't start kernel");