Author: hselasky
Date: Mon May 23 11:53:00 2016
New Revision: 300494
URL: https://svnweb.freebsd.org/changeset/base/300494
Log:
Implement "_outb()" to the LinuxKPI for i386 and amd64 only.
Obtained from: kmacy @
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/compat/linuxkpi/common/include/linux/io.h
Modified: head/sys/compat/linuxkpi/common/include/linux/io.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/io.h Mon May 23 11:50:05
2016 (r300493)
+++ head/sys/compat/linuxkpi/common/include/linux/io.h Mon May 23 11:53:00
2016 (r300494)
@@ -172,6 +172,14 @@ readl(const volatile void *addr)
}
#if defined(__i386__) || defined(__amd64__)
+static inline void
+_outb(u_char data, u_int port)
+{
+ __asm __volatile("outb %0, %w1" : : "a" (data), "Nd" (port));
+}
+#endif
+
+#if defined(__i386__) || defined(__amd64__)
void *_ioremap_attr(vm_paddr_t phys_addr, unsigned long size, int attr);
#else
#define _ioremap_attr(...) NULL
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