s390/head: adjust iplstart entry point

Move iplstart entry point to 0x200 again, instead of the middle of the ipl
code. This way even the comment describing the ccw program is correct
again.

Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S
index 6666924..206fca8 100644 (file)
--- a/arch/s390/boot/head.S
+++ b/arch/s390/boot/head.S
@@ -33,11 +33,13 @@
 #define EP_OFFSET      0x10008
 #define EP_STRING      "S390EP"
 
+#define IPL_START      0x200
+
 __HEAD
 
 #define IPL_BS 0x730
        .org    0
-       .long   0x00080000,0x80000000+iplstart  # The first 24 bytes are loaded
+       .long   0x00080000,0x80000000+IPL_START # The first 24 bytes are loaded
        .long   0x02000018,0x60000050           # by ipl to addresses 0-23.
        .long   0x02000068,0x60000050           # (a PSW and two CCWs).
        .fill   80-24,1,0x40                    # bytes 24-79 are discarded !!
@@ -63,7 +65,7 @@ __HEAD
        .long   0x020006e0,0x20000050
 
        .org    __LC_RST_NEW_PSW                # 0x1a0
-       .quad   0,iplstart
+       .quad   0,IPL_START
        .org    __LC_EXT_NEW_PSW                # 0x1b0
        .quad   0x0002000180000000,0x1b0        # disabled wait
        .org    __LC_PGM_NEW_PSW                # 0x1d0
@@ -71,8 +73,9 @@ __HEAD
        .org    __LC_IO_NEW_PSW                 # 0x1f0
        .quad   0x0002000180000000,0x1f0        # disabled wait
 
-       .org    0x200
-
+       .org    IPL_START
+ipl_start:
+       j       .Liplcont
 #
 # subroutine to wait for end I/O
 #
@@ -158,7 +161,7 @@ __HEAD
        .endr
        .long   0x02200050,0x00000000
 
-iplstart:
+.Liplcont:
        mvi     __LC_AR_MODE_ID,1       # set esame flag
        slr     %r0,%r0                 # set cpuid to zero
        lhi     %r1,2                   # mode 2 = esame (dump)