[S390] convert some assembler to C.

Convert GET_IPL_DEVICE assembler macro to C function.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2 files changed, 6 insertions, 3 deletions

diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index 2e3d4cca5e21..18695d10dedf 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -35,6 +35,7 @@
 #define __LC_IO_NEW_PSW                 0x01f0
 #endif /* !__s390x__ */
 
+#define __LC_IPL_PARMBLOCK_PTR          0x014
 #define __LC_EXT_PARAMS                 0x080
 #define __LC_CPU_ADDRESS                0x084
 #define __LC_EXT_INT_CODE               0x086
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index 4a1126d8439a..00c03e46689b 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -125,13 +125,15 @@ struct ipl_parameter_block {
 /*
  * IPL validity flags and parameters as detected in head.S
  */
-extern u32 ipl_parameter_flags;
+extern u32 ipl_flags;
 extern u16 ipl_devno;
 
 void do_reipl(void);
 
-#define IPL_DEVNO_VALID         (ipl_parameter_flags & 1)
-#define IPL_PARMBLOCK_VALID     (ipl_parameter_flags & 2)
+enum {
+        IPL_DEVNO_VALID = 1,
+        IPL_PARMBLOCK_VALID = 2,
+};
 
 #define IPL_PARMBLOCK_START     ((struct ipl_parameter_block *) \
                                  IPL_PARMBLOCK_ORIGIN)