1991/0318/port/devboot.c (diff list | history)

1991/0318/sys/src/9/port/devboot.c:74,80 – 1991/0411/sys/src/9/port/devboot.c:74,80 (short | long | prev | next)
1990/0424		} long bootread(Chan *c, void *buf, long n)
1991/0411		bootread(Chan *c, void *buf, long n, ulong offset)
1990/0424		{
1990/1127		switch(c->qid.path & ~CHDIR){
1990/0424		case Qdir:
1991/0318/sys/src/9/port/devboot.c:85,91 – 1991/0411/sys/src/9/port/devboot.c:85,91
1990/0424		} long bootwrite(Chan *c, void *buf, long n)
1991/0411		bootwrite(Chan *c, void *buf, long n, ulong offset)
1990/0424		{ ulong pc;
1991/0318/sys/src/9/port/devboot.c:92,105 – 1991/0411/sys/src/9/port/devboot.c:92,105
1990/1127		switch(c->qid.path & ~CHDIR){
1990/0424		case Qmem: /* kernel memory. BUG: shouldn't be so easygoing. BUG: mem mapping? */ if(c->offset>=KZERO && c->offset<KZERO+conf.npage*BY2PG){
1991/0411		if(offset>=KZERO && offset<KZERO+conf.npage*BY2PG){
1990/0424		/* print("%ux, %d\n", c->offset, n);/**/ if(c->offset+n > KZERO+conf.npage*BY2PG) n = KZERO+conf.npage*BY2PG - c->offset;
1991/0318		memmove((char*)c->offset, buf, n);
1991/0411		if(offset+n > KZERO+conf.npage*BY2PG) n = KZERO+conf.npage*BY2PG - offset; memmove((char*)offset, buf, n);
1990/0424		return n; }
1990/1127		print("bootwrite: bad addr %lux\n", c->offset);
1991/0411		print("bootwrite: bad addr %lux\n", offset);
1990/11211		error(Ebadarg);
1990/0424		case Qboot: