Changeset f1a9e87 in mainline for uspace/lib/c/arch/ia64/include/ddi.h

Timestamp:

2011-09-24T14:27:08Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

b3bf143, eb87adb

Parents:

1ab4aca (diff), bd5f3b7 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge from lp:~jakub/helenos/ia64-revival.

File:

• uspace/lib/c/arch/ia64/include/ddi.h (modified) (4 diffs)

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");
@@ -62 +66 @@
 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");
@@ -72 +80 @@
 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");
@@ -82 +94 @@
 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;
+        }
+
+        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;
+        }
+
+        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 *) port) {
+                uintptr_t prt = (uintptr_t) port;
+
+                v = *((ioport32_t *)(IA64_IOSPACE_ADDRESS +
+                    ((prt & 0xfff) | ((prt >> 2) << 12))));
+        } else {
+                v = *port;
+        }
+
+        return v;
 }