1 files changed, 0 insertions, 42 deletions
diff --git a/src/lib9/tas-power.c b/src/lib9/tas-power.c
deleted file mode 100644
index 2ed71d47..00000000
--- a/src/lib9/tas-power.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#include "u.h"
-#include "libc.h"
-
-/*
- * first argument (l) is in r3 at entry.
- * r3 contains return value upon return.
- */
-int
-_tas(int *x)
-{
-	int     v;
-	int	tmp, tmp2, tmp3;
-
-	/*
-	 * this __asm__ works with gcc on linux
-	 */
-	__asm__("\n	sync\n"
-	"	li	%1,0\n"
-	"	mr	%2,%4		/* &x->val */\n"
-	"	lis	%3,0xdead	/* assemble constant 0xdeaddead */\n"
-	"	ori	%3,%3,0xdead	/* \" */\n"
-	"tas1:\n"
-	"	dcbf	%2,%1	/* cache flush; \"fix for 603x bug\" */\n"
-	"	lwarx	%0,%2,%1	/* v = x->val with reservation */\n"
-	"	cmp	cr0,0,%0,%1	/* v == 0 */\n"
-	"	bne	tas0\n"
-	"	stwcx.	%3,%2,%1   /* if (x->val same) x->val = 0xdeaddead */\n"
-	"	bne	tas1\n"
-	"tas0:\n"
-	"	sync\n"
-	"	isync\n"
-	: "=r" (v), "=&r" (tmp), "=&r"(tmp2), "=&r"(tmp3)
-	: "r"  (x)
-	: "cr0", "memory"
-	);
-	switch(v) {
-	case 0:		return 0;
-	case 0xdeaddead: return 1;
-	default:	fprint(2, "tas: corrupted 0x%lux\n", v);
-	}
-	return 0;
-}