Changeset aa537a5a in mainline for uspace/lib/c/arch/ia64/include/libarch/ddi.h

Timestamp:

2017-11-01T20:33:08Z (6 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

d0cbfd3

Parents:

315130c

Message:

Add 64-bit PIO functions

File:

• uspace/lib/c/arch/ia64/include/libarch/ddi.h (modified) (2 diffs)

uspace/lib/c/arch/ia64/include/libarch/ddi.h

@@ -94 +94 @@
 }
 
+static inline void arch_pio_write_64(ioport64_t *port, uint64_t v)
+{
+        *port = v;
+
+        asm volatile ("mf\n" ::: "memory");
+        asm volatile ("mf.a\n" ::: "memory");
+}
+
 static inline uint8_t arch_pio_read_8(const ioport8_t *port)
 {
@@ -154 +162 @@
 }
 
+static inline uint64_t arch_pio_read_64(const ioport64_t *port)
+{
+        uint64_t v;
+
+        asm volatile ("mf\n" ::: "memory");
+
+        v = *port;
+
+        asm volatile ("mf.a\n" ::: "memory");
+
+        return v;
+}
+
 #endif