Changeset 393f631 in mainline for arch/ppc/include/asm.h

Timestamp:

2005-08-31T21:51:04Z (20 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

33ccb2c

Parents:

94f0ae4

Message:

many PPC stuff, platform dependent arch.h header files

File:

• arch/ppc/include/asm.h (modified) (1 diff)

arch/ppc/include/asm.h

@@ -79 +79 @@
                 "mfmsr %%r31\n"
                 "rlwimi  %0, %%r31, 0, 17, 15\n"
+                "cmpw 0, %0, %%r31\n"
+                "beq 0f\n"
                 "mtmsr %0\n"
+                "0:\n"
                 : "=r" (pri)
                 : "0" (pri)
                 : "%r31"
         );
+}
+
+/** Return raw priority level
+ *
+ * Return EE.
+ */
+static inline pri_t cpu_priority_read(void) {
+        pri_t v;
+        __asm__ volatile (
+                "mfmsr %0\n"
+                : "=r" (v)
+        );
+        return v;
 }