diff options
| -rw-r--r-- | sys/man/1/io | 8 | ||||
| -rw-r--r-- | sys/src/cmd/io.c | 3 |
2 files changed, 8 insertions, 3 deletions
diff --git a/sys/man/1/io b/sys/man/1/io index e96a60be0..5dea3ee49 100644 --- a/sys/man/1/io +++ b/sys/man/1/io @@ -4,7 +4,7 @@ io \- access PC I/O registers .SH SYNOPSIS .B io [ -.B -WLMrw +.B -WLMErw ] .I address [ @@ -38,7 +38,11 @@ Perform a long / double word (32 bit) operation. .TP .B -M Access a 64 bit wide machine specific register (MSR). +.TP +.B -E +Access embedded controller space. .SH SOURCE .B /sys/src/cmd/io.c .SH SEE ALSO -.IR seg (1) +.IR seg (1), +.IR arch (3) diff --git a/sys/src/cmd/io.c b/sys/src/cmd/io.c index 7670de728..5b1fafa9c 100644 --- a/sys/src/cmd/io.c +++ b/sys/src/cmd/io.c @@ -1,7 +1,7 @@ #include <u.h> #include <libc.h> -const char const * datac[] = {0,"#P/iob","#P/iow",0,"#P/iol",0,0,0,"#P/msr"}; +char *datac[] = {0,"#P/iob","#P/iow",0,"#P/iol",0,0,0,"#P/msr"}; void main(int argc, char** argv) { @@ -17,6 +17,7 @@ main(int argc, char** argv) { case 'W': size = 2; break; case 'L': size = 4; break; case 'M': size = 8; break; + case 'E': datac[1] = datac[2] = datac[4] = datac[8] = "#P/ec"; break; case 'r': op = OREAD; break; case 'w': op = OWRITE; break; default: sysfatal("bad flag %c", ARGC()); |