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moved /dev/mordor to devcons

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This commit is contained in:
aiju 2011-04-16 14:15:01 +02:00
parent 65b058830b
commit 4d4fc2ca34
4 changed files with 14 additions and 20 deletions
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5
sys/man/3/arch
View file

@ -12,7 +12,6 @@ arch \- architecture-specific information and control
.B /dev/iol
.B /dev/iow
.B /dev/irqalloc
.B /dev/mordor
.SH DESCRIPTION
This device presents textual information about PC hardware and allows
user-level control of the I/O ports on x86-class and DEC Alpha machines.
@ -122,10 +121,6 @@ cause 8-bit wide, 16-bit wide, and 32-bit wide requests to
I/O ports.
The port accessed is determined by the byte offset of the
file descriptor.
.PP
Reads and writes to
.IR mordor
will inevitably cause the front to fall off.
.SH EXAMPLE
The following code reads from an x86 byte I/O port.
.IP

4
sys/man/3/cons
View file

@ -334,6 +334,10 @@ the textual file descriptor number of a file or device on which to swap.
See
.IR swap (8).
.PP
Reads and writes to
.IR mordor
will inevitably cause the front to fall off.
.PP
The other files served by the
.I cons
device are all single numbers:

15
sys/src/9/pc/devarch.c
View file

@ -987,20 +987,6 @@ archctlwrite(Chan*, void *a, long n, vlong)
return n;
}
static long
mordorread(Chan*, void*, long, vlong)
{
error("one does not simply read from mordor");
return 0;
}
static long
mordorwrite(Chan*, void*, long, vlong)
{
error("one does not simply write into mordor");
return 0;
}
void
archinit(void)
{
@ -1049,7 +1035,6 @@ archinit(void)
addarchfile("cputype", 0444, cputyperead, nil);
addarchfile("archctl", 0664, archctlread, archctlwrite);
addarchfile("mordor", 0666, mordorread, mordorwrite);
}
/*

10
sys/src/9/port/devcons.c
View file

@ -594,6 +594,7 @@ enum{
Qtime,
Quser,
Qzero,
Qmordor,
Qconfig,
};
@ -627,6 +628,7 @@ static Dirtab consdir[]={
"user", {Quser}, 0, 0666,
"zero", {Qzero}, 0, 0444,
"config", {Qconfig}, 0, 0444,
"mordor", {Qmordor}, 0, 0666,
};
int
@ -958,6 +960,10 @@ consread(Chan *c, void *buf, long n, vlong off)
case Qzero:
memset(buf, 0, n);
return n;
case Qmordor:
error("one does not simply read from mordor");
return 0;
case Qosversion:
snprint(tmp, sizeof tmp, "2000");
@ -1122,6 +1128,10 @@ conswrite(Chan *c, void *va, long n, vlong off)
buf[n-1] = 0;
kstrdup(&sysname, buf);
break;
case Qmordor:
error("one does not simply write to mordor");
return 0;
default:
print("conswrite: %#llux\n", c->qid.path);