3 # Copyright IBM Corp. 2001, 2006.
4 # Author(s): Antoinette Kaschner (anto@de.ibm.com),
6 # startup for ipl at address 0
7 # second stage boot loader is loaded to 0x2000 and starts at 0x2008
9 # The first 24 bytes are loaded by ipl to addresses 0-23 (a PSW and two CCWs).
10 # IPL1 record TICs to IPL2 record at offset X'68' .Byte 0 to 68 of IPL2 contains boot load data.
11 # The seek/search/tic/read CCWs at the end of IPL2 record reads record 2 on disk into storage at
16 .long 0x00000000,0x00000000 # contains boot load data
17 .long 0x00000000,0x00000000 # contains boot load data
18 .long 0x00000000,0x00000000 # contains boot load data
19 .long 0x00000000,0x00000000 # contains boot load data
20 .long 0x00000000,0x00000000 # contains boot load data
21 .long 0x00000000,0x00000000 # contains boot load data
22 .long 0x00000000,0x00000000 # contains boot load data
23 .long 0x00000000,0x00000000 # contains boot load data
24 .long 0x00000000,0x00000000 # contains boot load data
25 .long 0x00000000,0x00000000 # contains boot load data
26 .long 0x00000000,0x00000000 # contains boot load data
27 .long 0x00000000,0x00000000 # contains boot load data
28 .long 0x00000000,0x00000000 # contains boot load data
29 .long 0x07600006,0x00000000+.Lseek # seek
31 .long 0x31600005,0x00000000+.Lseek+2 # search
32 .long 0x08000000,0x00000000+.Lsearch # tic back to search until found
33 .long 0x06200090,0x00000200 # read record 2 into storage
35 .long 0x00000000,0x00000200 # seekargument for cyl 0 hd 0 rec 2