Changeset 393f631 in mainline for arch/ppc/include

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

Location:

arch/ppc/include

Files:

• arch.h (added)
• asm.h (modified) (1 diff)
• context.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;
 }
 

arch/ppc/include/context.h

@@ -31 +31 @@
 
 #include <arch/types.h>
-#include <arch/drivers/ofw.h>
 
 #define SP_DELTA        8
-
-#ifdef context_map_stack
-#undef context_map_stack
-#endif
-
-#define context_map_stack(stack, size) \
-        ofw_claim((void *) stack, size, 0);
 
 struct context {