Changeset b994a60 in mainline for arch/ia64/include/asm.h

Timestamp:

2006-03-09T12:44:27Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

901122b

Parents:

cd373bb

Message:

ia64 work.
Changes to make userspace work (kernel part).
Use ski.conf from contrib directory to run Ski.

There is actually no appropriate syscall handler yet.

File:

• arch/ia64/include/asm.h (modified) (3 diffs)

arch/ia64/include/asm.h

@@ -49 +49 @@
 }
 
+/** Return Processor State Register.
+ *
+ * @return PSR.
+ */
+static inline __u64 psr_read(void)
+{
+        __u64 v;
+        
+        __asm__ volatile ("mov %0 = psr\n" : "=r" (v));
+        
+        return v;
+}
+
 /** Read IVA (Interruption Vector Address).
  *
@@ -233 +246 @@
 static inline ipl_t interrupts_read(void)
 {
-        __u64 v;
-        
-        __asm__ volatile ("mov %0 = psr\n" : "=r" (v));
-        
-        return (ipl_t) v;
+        return (ipl_t) psr_read();
 }
 
@@ -250 +259 @@
 extern void asm_delay_loop(__u32 t);
 
+extern void switch_to_userspace(__address entry, __address sp, __address bsp, __u64 ipsr, __u64 rsc);
+
 #endif