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Added in /dev/cputemp for bcm kernel (Thanks Krystian!)

--- a/sys/src/9/bcm/devarch.c

+++ b/sys/src/9/bcm/devarch.c

@@ -156,8 +156,17 @@

 	return readstr(offset, a, n, str);

 }

+static long

+cputempread(Chan*, void *a, long n, vlong offset)

+{

+ 	char str[128];

+ 	snprint(str, sizeof str, "%d±%d\n", gettemp(0) / 1000, 1);

+	return readstr(offset, a, n, str);

+}

+

 void

 archinit(void)

 {

 	addarchfile("cputype", 0444, cputyperead, nil);

+	addarchfile("cputemp", 0444, cputempread, nil);

 }

--- a/sys/src/9/bcm/vcore.c

+++ b/sys/src/9/bcm/vcore.c

@@ -288,3 +288,14 @@

 		return 0;

 	return buf[1];

 }

+

+uint

+gettemp(int tempid)

+{

+	u32int buf[2];

+	buf[0] = tempid;

+	if(vcreq(0x00030006, buf, sizeof(buf[0]), sizeof(buf)) != sizeof buf)

+		return 0;

+

+	return buf[1];

+}

-- 

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