Changes in uspace/lib/c/arch/ia64/include/ddi.h [63f8966:314f3a3c] in mainline

File:

• uspace/lib/c/arch/ia64/include/ddi.h (modified) (1 diff)

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

@@ -52 +52 @@
 static inline void pio_write_8(ioport8_t *port, uint8_t v)
 {
-        uintptr_t prt = (uintptr_t) port;
+        if (port < (ioport8_t *) IO_SPACE_BOUNDARY) {
+                uintptr_t prt = (uintptr_t) port;
 
-        *((ioport8_t *)(IA64_IOSPACE_ADDRESS +
-            ((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
+                *((ioport8_t *)(IA64_IOSPACE_ADDRESS +
+                    ((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
+        } else {
+                *port = v;
+        }
 
         asm volatile ("mf\n" ::: "memory");
+        asm volatile ("mf.a\n" ::: "memory");
 }
 
 static inline void pio_write_16(ioport16_t *port, uint16_t v)
 {
-        uintptr_t prt = (uintptr_t) port;
+        if (port < (ioport16_t *) IO_SPACE_BOUNDARY) {
+                uintptr_t prt = (uintptr_t) port;
 
-        *((ioport16_t *)(IA64_IOSPACE_ADDRESS +
-            ((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
+                *((ioport16_t *)(IA64_IOSPACE_ADDRESS +
+                    ((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
+        } else {
+                *port = v;
+        }
 
         asm volatile ("mf\n" ::: "memory");
+        asm volatile ("mf.a\n" ::: "memory");
 }
 
 static inline void pio_write_32(ioport32_t *port, uint32_t v)
 {
-        uintptr_t prt = (uintptr_t) port;
+        if (port < (ioport32_t *) IO_SPACE_BOUNDARY) {
+                uintptr_t prt = (uintptr_t) port;
 
-        *((ioport32_t *)(IA64_IOSPACE_ADDRESS +
-            ((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
+                *((ioport32_t *)(IA64_IOSPACE_ADDRESS +
+                    ((prt & 0xfff) | ((prt >> 2) << 12)))) = v;
+        } else {
+                *port = v;
+        }
 
         asm volatile ("mf\n" ::: "memory");
+        asm volatile ("mf.a\n" ::: "memory");
 }
 
 static inline uint8_t pio_read_8(ioport8_t *port)
 {
-        uintptr_t prt = (uintptr_t) port;
+        uint8_t v;
 
         asm volatile ("mf\n" ::: "memory");
 
-        return *((ioport8_t *)(IA64_IOSPACE_ADDRESS +
-            ((prt & 0xfff) | ((prt >> 2) << 12))));
+        if (port < (ioport8_t *) IO_SPACE_BOUNDARY) {
+                uintptr_t prt = (uintptr_t) port;
+
+                v = *((ioport8_t *)(IA64_IOSPACE_ADDRESS +
+                    ((prt & 0xfff) | ((prt >> 2) << 12))));
+        } else {
+                v = *port;
+        }
+
+        asm volatile ("mf.a\n" ::: "memory");
+
+        return v;
 }
 
 static inline uint16_t pio_read_16(ioport16_t *port)
 {
-        uintptr_t prt = (uintptr_t) port;
+        uint16_t v;
 
         asm volatile ("mf\n" ::: "memory");
 
-        return *((ioport16_t *)(IA64_IOSPACE_ADDRESS +
-            ((prt & 0xfff) | ((prt >> 2) << 12))));
+        if (port < (ioport16_t *) IO_SPACE_BOUNDARY) {
+                uintptr_t prt = (uintptr_t) port;
+
+                v = *((ioport16_t *)(IA64_IOSPACE_ADDRESS +
+                    ((prt & 0xfff) | ((prt >> 2) << 12))));
+        } else {
+                v = *port;
+        }
+
+        asm volatile ("mf.a\n" ::: "memory");
+
+        return v;
 }
 
 static inline uint32_t pio_read_32(ioport32_t *port)
 {
-        uintptr_t prt = (uintptr_t) port;
+        uint32_t v;
 
         asm volatile ("mf\n" ::: "memory");
 
-        return *((ioport32_t *)(IA64_IOSPACE_ADDRESS +
-            ((prt & 0xfff) | ((prt >> 2) << 12))));
+        if (port < (ioport32_t *) IO_SPACE_BOUNDARY) {
+                uintptr_t prt = (uintptr_t) port;
+
+                v = *((ioport32_t *)(IA64_IOSPACE_ADDRESS +
+                    ((prt & 0xfff) | ((prt >> 2) << 12))));
+        } else {
+                v = *port;
+        }
+
+        asm volatile ("mf.a\n" ::: "memory");
+
+        return v;
 }