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aux/acpi: -H is for HALT

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add -H option for acpi that halts immediately,
skipping enumeration of the battery, temperature, etc.
This commit is contained in:
mia soweli 2023-05-29 17:28:40 +00:00
parent 4526b1a5dd
commit ace62a81f4
2 changed files with 22 additions and 5 deletions
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11
sys/man/8/acpi
View file

@ -7,6 +7,9 @@ acpi \- Advanced Configuration and Power Interface
.PP
.B aux/acpi
[
.B -H
]
[
.B -m
.I mountpoint
]
@ -27,6 +30,12 @@ posted at
.BI /srv/ service
as well.
.PP
With the
.B -H
option,
.I aux/acpi
will turn off the power immediately.
.PP
The directory contains the following files.
.TP
.B battery
@ -57,7 +66,7 @@ will turn off the power.
.SH SOURCE
.B /sys/src/cmd/aux/acpi.c
.SH SEE ALSO
.IR imx8pm (8)
.IR reform (1)
.SH BUGS
ACPI itself.
.SH HISTORY

16
sys/src/cmd/aux/acpi.c
View file

@ -293,7 +293,7 @@ amlwrite(Amlio *io, int addr, int wid, uvlong v)
(*io->write)(io, b, 1<<(wid-1), addr);
}
static void
static int
poweroff(void)
{
int n;
@ -302,7 +302,7 @@ poweroff(void)
if(facp.ok == 0){
werrstr("no FACP");
return;
return -1;
}
wirecpu0();
@ -362,6 +362,7 @@ poweroff(void)
sleep(100);
werrstr("acpi failed");
return -1;
}
static void
@ -420,7 +421,7 @@ fswrite(Req *r)
static void
usage(void)
{
fprint(2, "usage: aux/acpi [-Dp] [-m mountpoint] [-s service]\n");
fprint(2, "usage: aux/acpi [-DHp] [-m mountpoint] [-s service]\n");
exits("usage");
}
@ -436,11 +437,12 @@ threadmain(int argc, char **argv)
{
char *mtpt, *srv;
void *r, **rr;
int fd, n, l;
int fd, n, l, halt;
Tbl *t;
mtpt = "/dev";
srv = nil;
halt = 0;
ARGBEGIN{
case 'D':
chatty9p = 1;
@ -454,6 +456,9 @@ threadmain(int argc, char **argv)
case 'p':
amldebug++;
break;
case 'H':
halt = 1;
break;
default:
usage();
}ARGEND
@ -550,6 +555,9 @@ threadmain(int argc, char **argv)
}
close(fd);
if(halt && poweroff() < 0)
sysfatal("%r");
amlenum(amlroot, "_HID", enumec, nil);
amlenum(amlroot, "_BIF", enumbat, nil);
amlenum(amlroot, "_PSL", enumtmp, nil);