1 files changed, 26 insertions, 10 deletions

diff --git a/arch/powerpc/boot/prom.h b/arch/powerpc/boot/prom.h
index 96ab5aec740c..3e2ddd4a5a81 100644
--- a/arch/powerpc/boot/prom.h
+++ b/arch/powerpc/boot/prom.h
@@ -1,18 +1,34 @@
 #ifndef _PPC_BOOT_PROM_H_
 #define _PPC_BOOT_PROM_H_
 
+typedef void *phandle;
+typedef void *ihandle;
+
 extern int (*prom) (void *);
-extern void *chosen_handle;
+extern phandle chosen_handle;
+extern ihandle stdout;
 
-extern void *stdin;
-extern void *stdout;
-extern void *stderr;
+int     call_prom(const char *service, int nargs, int nret, ...);
+int     call_prom_ret(const char *service, int nargs, int nret,
+                      unsigned int *rets, ...);
 
 extern int write(void *handle, void *ptr, int nb);
-extern int read(void *handle, void *ptr, int nb);
-extern void exit(void);
-extern void pause(void);
-extern void *finddevice(const char *);
-extern void *claim(unsigned long virt, unsigned long size, unsigned long align);
-extern int getprop(void *phandle, const char *name, void *buf, int buflen);
+extern void *claim(unsigned long virt, unsigned long size, unsigned long aln);
+
+static inline void exit(void)
+{
+        call_prom("exit", 0, 0);
+}
+
+static inline phandle finddevice(const char *name)
+{
+        return (phandle) call_prom("finddevice", 1, 1, name);
+}
+
+static inline int getprop(void *phandle, const char *name,
+                          void *buf, int buflen)
+{
+        return call_prom("getprop", 4, 1, phandle, name, buf, buflen);
+}
+
 #endif                          /* _PPC_BOOT_PROM_H_ */