patch-2.3.99-pre1 linux/arch/arm/lib/io-shark.c

• Lines: 80
• Date: Sun Mar 12 19:39:39 2000
• Orig file: v2.3.51/linux/arch/arm/lib/io-shark.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.51/linux/arch/arm/lib/io-shark.c linux/arch/arm/lib/io-shark.c
@@ -0,0 +1,79 @@
+/*
+ * linux/arch/arm/lib/io-shark.c
+ *
+ * by Alexander.Schulz@stud.uni-karlsruhe.de
+ *
+ * derived from:
+ * linux/arch/arm/lib/io-ebsa.S
+ * Copyright (C) 1995, 1996 Russell King
+ */
+#include <linux/kernel.h>
+
+#include <asm/io.h>
+
+void print_warning(void)
+{
+	printk(KERN_WARNING "ins?/outs? not implemented on this architecture\n");
+}
+
+void insl(unsigned int port, void *to, int len)
+{
+	print_warning();
+}
+
+void insb(unsigned int port, void *to, int len)
+{
+	print_warning();
+}
+
+void outsl(unsigned int port, const void *from, int len)
+{
+	print_warning();
+}
+
+void outsb(unsigned int port, const void *from, int len)
+{
+	print_warning();
+}
+
+/* these should be in assembler again */
+
+/*
+ * Purpose: read a block of data from a hardware register to memory.
+ * Proto  : insw(int from_port, void *to, int len_in_words);
+ * Proto  : inswb(int from_port, void *to, int len_in_bytes);
+ * Notes  : increment to
+ */
+
+void insw(unsigned int port, void *to, int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++)
+		((unsigned short *) to)[i] = inw(port);
+}
+
+void inswb(unsigned int port, void *to, int len)
+{
+	insw(port, to, len >> 2);
+}
+
+/*
+ * Purpose: write a block of data from memory to a hardware register.
+ * Proto  : outsw(int to_reg, void *from, int len_in_words);
+ * Proto  : outswb(int to_reg, void *from, int len_in_bytes);
+ * Notes  : increments from
+ */
+
+void outsw(unsigned int port, const void *from, int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++)
+		outw(((unsigned short *) from)[i], port);
+}
+
+void outswb(unsigned int port, const void *from, int len)
+{
+	outsw(port, from, len >> 2);
+}