diff options
Diffstat (limited to 'arch/s390/boot')
| -rw-r--r-- | arch/s390/boot/head.S | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index 666692429db0..206fca8cb816 100644 --- 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) |