On 04/09/2016 08:44 PM, Simon Glass wrote:
Add outsw() and insw() functions for sandbox, as these are needed by the IDE
code. The functions will not do anything useful if called, but allow the
code to be compiled.
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
+static inline void _insw(volatile u16 *port, void *buf, int ns)
+{
+ u16 *data = (u16 *) buf;
+ while (ns--)
+ *data++ = *port;
+}
+
+static inline void _outsw(volatile u16 *port, const void *buf, int ns)
+{
+ u16 *data = (u16 *) buf;
+ while (ns--) {
+ *port = *data++;
+ }
+}
Why make those have anything other than an empty body if they don't need
to do anything? The other functions in this file (e.g. out16/in16 added
in this patch) are just no-ops. If those functions are called, they'll
cause memory corruption or a crash.
+/* For systemace.c */
+#define out16(addr, val)
+#define in16(addr) 0
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