plan 9 kernel history: overview | file list | diff list

1990/1127/port/devboot.c (diff list | history)

1990/0424/sys/src/9/port/devboot.c:104,109 – 1990/0427/sys/src/9/port/devboot.c:104,110 (short | long)
1990/0424    
	case Qboot: 
		pc = *(ulong*)buf; 
		splhi();
1990/0427    
		flushmmu();
1990/0424    
		gotopc(pc); 
	} 
	error(0, Ebadarg);
1990/0427/sys/src/9/port/devboot.c:104,110 – 1990/0430/sys/src/9/port/devboot.c:104,109 (short | long)
1990/0424    
	case Qboot: 
		pc = *(ulong*)buf; 
		splhi();
1990/0427    
		flushmmu();
1990/0424    
		gotopc(pc); 
	} 
	error(0, Ebadarg);
1990/0430/sys/src/9/port/devboot.c:62,68 – 1990/11211/sys/src/9/port/devboot.c:62,68 (short | long)
1990/0424    
void	  
bootcreate(Chan *c, char *name, int omode, ulong perm) 
{ 
	error(0, Eperm);
1990/11211    
	error(Eperm);
1990/0424    
} 
 
/*
1990/0430/sys/src/9/port/devboot.c:81,87 – 1990/11211/sys/src/9/port/devboot.c:81,87
1990/0424    
		return devdirread(c, buf, n, bootdir, NBOOT, devgen); 
	} 
 
	error(0, Egreg);
1990/11211    
	error(Egreg);
1990/0424    
} 
 
long
1990/0430/sys/src/9/port/devboot.c:99,105 – 1990/11211/sys/src/9/port/devboot.c:99,105
1990/0424    
			memcpy((char*)c->offset, buf, n); 
			return n; 
		} 
		error(0, Ebadarg);
1990/11211    
		error(Ebadarg);
1990/0424    
 
	case Qboot: 
		pc = *(ulong*)buf;
1990/0430/sys/src/9/port/devboot.c:106,134 – 1990/11211/sys/src/9/port/devboot.c:106,122
1990/0424    
		splhi(); 
		gotopc(pc); 
	} 
	error(0, Ebadarg);
1990/11211    
	error(Ebadarg);
1990/0424    
} 
 
void	  
bootremove(Chan *c) 
{ 
	error(0, Eperm);
1990/11211    
	error(Eperm);
1990/0424    
} 
 
void	  
bootwstat(Chan *c, char *dp) 
{ 
	error(0, Eperm); 
} 
                 
void 
bootuserstr(Error *e, char *buf) 
{ 
	consuserstr(e, buf); 
} 
                 
void	  
booterrstr(Error *e, char *buf) 
{ 
	rooterrstr(e, buf);
1990/11211    
	error(Eperm);
1990/0424    
}
1990/11211/sys/src/9/port/devboot.c:13,20 – 1990/1127/sys/src/9/port/devboot.c:13,20 (short | long)
1990/0424    
}; 
 
Dirtab bootdir[]={ 
	"boot",		Qboot,		0,			0666, 
	"mem",		Qmem,		0,			0666,
1990/1127    
	"boot",		{Qboot},	0,	0666, 
	"mem",		{Qmem},		0,	0666,
1990/0424    
}; 
 
#define	NBOOT	(sizeof bootdir/sizeof(Dirtab))
1990/11211/sys/src/9/port/devboot.c:76,82 – 1990/1127/sys/src/9/port/devboot.c:76,82
1990/0424    
long	  
bootread(Chan *c, void *buf, long n) 
{ 
	switch(c->qid & ~CHDIR){
1990/1127    
	switch(c->qid.path & ~CHDIR){
1990/0424    
	case Qdir: 
		return devdirread(c, buf, n, bootdir, NBOOT, devgen); 
	}
1990/11211/sys/src/9/port/devboot.c:89,95 – 1990/1127/sys/src/9/port/devboot.c:89,95
1990/0424    
{ 
	ulong pc; 
 
	switch(c->qid & ~CHDIR){
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){
1990/11211/sys/src/9/port/devboot.c:99,104 – 1990/1127/sys/src/9/port/devboot.c:99,105
1990/0424    
			memcpy((char*)c->offset, buf, n); 
			return n; 
		}
1990/1127    
		print("bootwrite: bad addr %lux\n", c->offset);
1990/11211    
		error(Ebadarg);
1990/0424    
 
	case Qboot:
1990/11211/sys/src/9/port/devboot.c:106,111 – 1990/1127/sys/src/9/port/devboot.c:107,113
1990/0424    
		splhi(); 
		gotopc(pc); 
	}
1990/1127    
	print("bootwrite: bad path %d\n", c->qid.path);
1990/11211    
	error(Ebadarg);
1990/0424    
}
1990/1127/sys/src/9/port/devboot.c:96,102 – 1991/0318/sys/src/9/port/devboot.c:96,102 (short | long)
1990/0424    
/*			print("%ux, %d\n", c->offset, n);/**/ 
			if(c->offset+n > KZERO+conf.npage*BY2PG) 
				n = KZERO+conf.npage*BY2PG - c->offset; 
			memcpy((char*)c->offset, buf, n);
1991/0318    
			memmove((char*)c->offset, buf, n);
1990/0424    
			return n; 
		}
1990/1127    
		print("bootwrite: bad addr %lux\n", c->offset);
1991/0318/sys/src/9/port/devboot.c:74,80 – 1991/0411/sys/src/9/port/devboot.c:74,80 (short | long)
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:
1991/0411/sys/src/9/port/devboot.c:47,52 – 1991/0419/sys/src/9/port/devboot.c:47,58 (short | long)
1990/0424    
	return devwalk(c, name, bootdir, NBOOT, devgen); 
}
1991/0419    
Chan* 
bootclwalk(Chan *c, char *name) 
{ 
	return devclwalk(c, name); 
}
1990/0424    
void	  
bootstat(Chan *c, char *dp) 
{
1991/0419/sys/src/9/port/devboot.c:47,58 – 1991/0427/sys/src/9/port/devboot.c:47,52 (short | long)
1990/0424    
	return devwalk(c, name, bootdir, NBOOT, devgen); 
}
1991/0419    
Chan* 
bootclwalk(Chan *c, char *name) 
{ 
	return devclwalk(c, name); 
} 
                 
1990/0424    
void	  
bootstat(Chan *c, char *dp) 
{
1991/0427/sys/src/9/port/devboot.c:65,73 – 1991/1206/sys/src/9/port/devboot.c:65,70 (short | long)
1990/11211    
	error(Eperm);
1990/0424    
} 
 
/* 
 * sysremove() knows this is a nop 
 */ 
void	  
bootclose(Chan *c) 
{
1991/0427/sys/src/9/port/devboot.c:91,99 – 1991/1206/sys/src/9/port/devboot.c:88,96
1990/0424    
1990/1127    
	switch(c->qid.path & ~CHDIR){
1990/0424    
	case Qmem: 
		/* kernel memory.  BUG: shouldn't be so easygoing. BUG: mem mapping? */
1991/1206    
		/* kernel memory */
1991/0411    
		if(offset>=KZERO && offset<KZERO+conf.npage*BY2PG){
1990/0424    
/*			print("%ux, %d\n", c->offset, n);/**/
1991/1206    
/* print("%ux, %d\n", c->offset, n);/**/
1991/0411    
			if(offset+n > KZERO+conf.npage*BY2PG) 
				n = KZERO+conf.npage*BY2PG - offset; 
			memmove((char*)offset, buf, n);
1991/1206/sys/src/9/port/devboot.c:3,9 – 1992/0111/sys/src/9/port/devboot.c:3,9 (short | long)
Move error.h to ../port. Change errors to actual strings.
rsc Fri Mar 4 12:44:25 2005
1990/0424    
#include	"mem.h" 
#include	"dat.h" 
#include	"fns.h" 
#include	"errno.h"
1992/0111    
#include	"../port/error.h"
1990/0424    
#include	"devtab.h" 
 
enum{
1992/0111/sys/src/9/port/devboot.c:62,67 – 1992/0320/sys/src/9/port/devboot.c:62,68 (short | long)
1990/0424    
void	  
bootcreate(Chan *c, char *name, int omode, ulong perm) 
{
1992/0320    
	USED(c);
1990/11211    
	error(Eperm);
1990/0424    
}
1992/0111/sys/src/9/port/devboot.c:68,73 – 1992/0320/sys/src/9/port/devboot.c:69,75
1990/0424    
void	  
bootclose(Chan *c) 
{
1992/0320    
	USED(c);
1990/0424    
} 
 
long
1992/0111/sys/src/9/port/devboot.c:111,116 – 1992/0320/sys/src/9/port/devboot.c:113,119
1990/0424    
void	  
bootremove(Chan *c) 
{
1992/0320    
	USED(c);
1990/11211    
	error(Eperm);
1990/0424    
}
1992/0111/sys/src/9/port/devboot.c:117,121 – 1992/0320/sys/src/9/port/devboot.c:120,125
1990/0424    
void	  
bootwstat(Chan *c, char *dp) 
{
1992/0320    
	USED(c);
1990/11211    
	error(Eperm);
1990/0424    
}
1992/0320/sys/src/9/port/devboot.c:1,5 – 1992/0321/sys/src/9/port/devboot.c:1,5 (short | long)
Move lib.h to ../port.
rsc Fri Mar 4 12:44:25 2005
1990/0424    
#include	"u.h" 
#include	"lib.h"
1992/0321    
#include	"../port/lib.h"
1990/0424    
#include	"mem.h" 
#include	"dat.h" 
#include	"fns.h"
1992/0321/sys/src/9/port/devboot.c:32,38 – 1992/0522/sys/src/9/port/devboot.c:32,38 (short | long)
1990/0424    
Chan* 
bootattach(char *spec) 
{ 
	return devattach('b', spec);
1992/0522    
	return devattach('B', spec);
1990/0424    
} 
 
Chan*
1992/0321/sys/src/9/port/devboot.c:81,86 – 1992/0522/sys/src/9/port/devboot.c:81,87
1990/0424    
	}
1990/11211    
	error(Egreg);
1992/0522    
	return 0;	/* not reached */
1990/0424    
} 
 
long
1992/0321/sys/src/9/port/devboot.c:108,113 – 1992/0522/sys/src/9/port/devboot.c:109,115
1990/0424    
	}
1990/1127    
	print("bootwrite: bad path %d\n", c->qid.path);
1990/11211    
	error(Ebadarg);
1992/0522    
	return 0;	/* not reached */
1990/0424    
} 
 
void
1992/0522/sys/src/9/port/devboot.c:76,83 – 1992/0625/sys/src/9/port/devboot.c:76,94 (short | long)
1991/0411    
bootread(Chan *c, void *buf, long n, ulong offset)
1990/0424    
{
1990/1127    
	switch(c->qid.path & ~CHDIR){
1992/0625    
1990/0424    
	case Qdir: 
		return devdirread(c, buf, n, bootdir, NBOOT, devgen);
1992/0625    
 
	case Qmem: 
		/* kernel memory */ 
		if(offset>=KZERO && offset<KZERO+conf.npage*BY2PG){ 
			if(offset+n > KZERO+conf.npage*BY2PG) 
				n = KZERO+conf.npage*BY2PG - offset; 
			memmove(buf, (char*)offset, n); 
			return n; 
		} 
		error(Ebadarg);
1990/0424    
	}
1990/11211    
	error(Egreg);
1992/0522/sys/src/9/port/devboot.c:93,105 – 1992/0625/sys/src/9/port/devboot.c:104,114
1990/0424    
	case Qmem:
1991/1206    
		/* kernel memory */
1991/0411    
		if(offset>=KZERO && offset<KZERO+conf.npage*BY2PG){
1991/1206    
/* print("%ux, %d\n", c->offset, 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; 
		}
1991/0411    
		print("bootwrite: bad addr %lux\n", offset);
1990/11211    
		error(Ebadarg);
1990/0424    
 
	case Qboot:
1992/0522/sys/src/9/port/devboot.c:107,113 – 1992/0625/sys/src/9/port/devboot.c:116,121
1990/0424    
		splhi(); 
		gotopc(pc); 
	}
1990/1127    
	print("bootwrite: bad path %d\n", c->qid.path);
1990/11211    
	error(Ebadarg);
1992/0522    
	return 0;	/* not reached */
1990/0424    
}
1992/0625/sys/src/9/port/devboot.c:62,68 – 1992/0711/sys/src/9/port/devboot.c:62,68 (short | long)
1990/0424    
void	  
bootcreate(Chan *c, char *name, int omode, ulong perm) 
{
1992/0320    
	USED(c);
1992/0711    
	USED(c, name, omode, perm);
1990/11211    
	error(Eperm);
1990/0424    
}
1992/0625/sys/src/9/port/devboot.c:130,135 – 1992/0711/sys/src/9/port/devboot.c:130,135
1990/0424    
void	  
bootwstat(Chan *c, char *dp) 
{
1992/0320    
	USED(c);
1992/0711    
	USED(c, dp);
1990/11211    
	error(Eperm);
1990/0424    
}
1992/0711/sys/src/9/port/devboot.c:114,119 – 1993/0206/sys/src/9/port/devboot.c:114,120 (short | long)
1990/0424    
	case Qboot: 
		pc = *(ulong*)buf; 
		splhi();
1993/0206    
		icflush(0, 64*1024);
1990/0424    
		gotopc(pc); 
	}
1990/11211    
	error(Ebadarg);
1993/0206/sys/src/9/port/devboot.c:114,120 – 1993/0219/sys/src/9/port/devboot.c:114,119 (short | long)
1990/0424    
	case Qboot: 
		pc = *(ulong*)buf; 
		splhi();
1993/0206    
		icflush(0, 64*1024);
1990/0424    
		gotopc(pc); 
	}
1990/11211    
	error(Ebadarg);
1993/0219/sys/src/9/port/devboot.c:95,100 – 1995/0108/sys/src/9/port/devboot.c:95,106 (short | long)
1992/0522    
	return 0;	/* not reached */
1990/0424    
}
1995/0108    
Block* 
bootbread(Chan *c, long n, ulong offset) 
{ 
	return devbread(c, n, offset); 
}
1990/0424    
long
1991/0411    
bootwrite(Chan *c, void *buf, long n, ulong offset)
1990/0424    
{
1993/0219/sys/src/9/port/devboot.c:118,123 – 1995/0108/sys/src/9/port/devboot.c:124,135
1990/0424    
	}
1990/11211    
	error(Ebadarg);
1992/0522    
	return 0;	/* not reached */
1995/0108    
} 
 
long 
bootbwrite(Chan *c, Block *bp, ulong offset) 
{ 
	return devbwrite(c, bp, offset);
1990/0424    
} 
 
void
1995/0108/sys/src/9/port/devboot.c:60,75 – 1995/0804/sys/src/9/port/devboot.c:60,73 (short | long)
1990/0424    
} 
 
void	  
bootcreate(Chan *c, char *name, int omode, ulong perm)
1995/0804    
bootcreate(Chan*, char*, int, ulong)
1990/0424    
{
1992/0711    
	USED(c, name, omode, perm);
1990/11211    
	error(Eperm);
1990/0424    
} 
 
void	  
bootclose(Chan *c)
1995/0804    
bootclose(Chan*)
1990/0424    
{
1992/0320    
	USED(c);
1990/0424    
} 
 
long
1995/0108/sys/src/9/port/devboot.c:133,147 – 1995/0804/sys/src/9/port/devboot.c:131,143
1990/0424    
} 
 
void	  
bootremove(Chan *c)
1995/0804    
bootremove(Chan*)
1990/0424    
{
1992/0320    
	USED(c);
1990/11211    
	error(Eperm);
1990/0424    
} 
 
void	  
bootwstat(Chan *c, char *dp)
1995/0804    
bootwstat(Chan*, char*)
1990/0424    
{
1992/0711    
	USED(c, dp);
1990/11211    
	error(Eperm);
1990/0424    
}
1995/0804/sys/src/9/port/devboot.c:4,10 – 1996/0223/sys/src/9/port/devboot.c:4,9 (short | long)
1990/0424    
#include	"dat.h" 
#include	"fns.h"
1992/0111    
#include	"../port/error.h"
1990/0424    
#include	"devtab.h" 
 
enum{ 
	Qdir,
1996/0223/sys/src/9/port/devboot.c:1,142 – 1997/0327/sys/src/9/port/devboot.c:0 (short | long)
Deleted.
rsc Mon Mar 7 10:30:30 2005
1990/0424    
#include	"u.h"
1992/0321    
#include	"../port/lib.h"
1990/0424    
#include	"mem.h" 
#include	"dat.h" 
#include	"fns.h"
1992/0111    
#include	"../port/error.h"
1990/0424    
                 
enum{ 
	Qdir, 
	Qboot, 
	Qmem, 
}; 
                 
Dirtab bootdir[]={
1990/1127    
	"boot",		{Qboot},	0,	0666, 
	"mem",		{Qmem},		0,	0666,
1990/0424    
}; 
                 
#define	NBOOT	(sizeof bootdir/sizeof(Dirtab)) 
                 
void 
bootreset(void) 
{ 
} 
                 
void 
bootinit(void) 
{ 
} 
                 
Chan* 
bootattach(char *spec) 
{
1992/0522    
	return devattach('B', spec);
1990/0424    
} 
                 
Chan* 
bootclone(Chan *c, Chan *nc) 
{ 
	return devclone(c, nc); 
} 
                 
int	  
bootwalk(Chan *c, char *name) 
{ 
	return devwalk(c, name, bootdir, NBOOT, devgen); 
} 
                 
void	  
bootstat(Chan *c, char *dp) 
{ 
	devstat(c, dp, bootdir, NBOOT, devgen); 
} 
                 
Chan* 
bootopen(Chan *c, int omode) 
{ 
	return devopen(c, omode, bootdir, NBOOT, devgen); 
} 
                 
void
1995/0804    
bootcreate(Chan*, char*, int, ulong)
1990/0424    
{
1990/11211    
	error(Eperm);
1990/0424    
} 
                 
void
1995/0804    
bootclose(Chan*)
1990/0424    
{ 
} 
                 
long
1991/0411    
bootread(Chan *c, void *buf, long n, ulong offset)
1990/0424    
{
1990/1127    
	switch(c->qid.path & ~CHDIR){
1992/0625    
                 
1990/0424    
	case Qdir: 
		return devdirread(c, buf, n, bootdir, NBOOT, devgen);
1992/0625    
                 
	case Qmem: 
		/* kernel memory */ 
		if(offset>=KZERO && offset<KZERO+conf.npage*BY2PG){ 
			if(offset+n > KZERO+conf.npage*BY2PG) 
				n = KZERO+conf.npage*BY2PG - offset; 
			memmove(buf, (char*)offset, n); 
			return n; 
		} 
		error(Ebadarg);
1990/0424    
	} 
                 
1990/11211    
	error(Egreg);
1992/0522    
	return 0;	/* not reached */
1990/0424    
} 
                 
1995/0108    
Block* 
bootbread(Chan *c, long n, ulong offset) 
{ 
	return devbread(c, n, offset); 
} 
                 
1990/0424    
long
1991/0411    
bootwrite(Chan *c, void *buf, long n, ulong offset)
1990/0424    
{ 
	ulong pc; 
                 
1990/1127    
	switch(c->qid.path & ~CHDIR){
1990/0424    
	case Qmem:
1991/1206    
		/* kernel memory */
1991/0411    
		if(offset>=KZERO && offset<KZERO+conf.npage*BY2PG){ 
			if(offset+n > KZERO+conf.npage*BY2PG) 
				n = KZERO+conf.npage*BY2PG - offset; 
			memmove((char*)offset, buf, n);
1990/0424    
			return n; 
		}
1990/11211    
		error(Ebadarg);
1990/0424    
                 
	case Qboot: 
		pc = *(ulong*)buf; 
		splhi(); 
		gotopc(pc); 
	}
1990/11211    
	error(Ebadarg);
1992/0522    
	return 0;	/* not reached */
1995/0108    
} 
                 
long 
bootbwrite(Chan *c, Block *bp, ulong offset) 
{ 
	return devbwrite(c, bp, offset);
1990/0424    
} 
                 
void
1995/0804    
bootremove(Chan*)
1990/0424    
{
1990/11211    
	error(Eperm);
1990/0424    
} 
                 
void
1995/0804    
bootwstat(Chan*, char*)
1990/0424    
{
1990/11211    
	error(Eperm);
1990/0424    
}


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comments to russ cox (rsc@swtch.com)