projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| c70d0fef HC |
2 | * Copyright IBM Corp 2000,2009 |
| 3 | * Author(s): Holger Smolinski <Holger.Smolinski@de.ibm.com>, | |
| 4 | * Denis Joseph Barrow, | |
| 1da177e4 LT |
5 | */ |
| 6 | ||
| cbb870c8 | 7 | #include <asm/asm-offsets.h> |
| c5dd8586 HC |
8 | |
| 9 | # | |
| 10 | # do_reipl_asm | |
| 11 | # Parameter: r2 = schid of reipl device | |
| 12 | # | |
| 13 | ||
| ff6b8ea6 MH |
14 | .globl do_reipl_asm |
| 15 | do_reipl_asm: basr %r13,0 | |
| 15e9b586 HC |
16 | .Lpg0: lpswe .Lnewpsw-.Lpg0(%r13) |
| 17 | .Lpg1: # do store status of all registers | |
| ff6b8ea6 | 18 | |
| 15e9b586 | 19 | stg %r1,.Lregsave-.Lpg0(%r13) |
| ff6b8ea6 MH |
20 | lghi %r1,0x1000 |
| 21 | stmg %r0,%r15,__LC_GPREGS_SAVE_AREA-0x1000(%r1) | |
| 22 | lg %r0,.Lregsave-.Lpg0(%r13) | |
| 23 | stg %r0,__LC_GPREGS_SAVE_AREA-0x1000+8(%r1) | |
| 24 | stctg %c0,%c15,__LC_CREGS_SAVE_AREA-0x1000(%r1) | |
| 25 | stam %a0,%a15,__LC_AREGS_SAVE_AREA-0x1000(%r1) | |
| c5dd8586 HC |
26 | lg %r10,.Ldump_pfx-.Lpg0(%r13) |
| 27 | mvc __LC_PREFIX_SAVE_AREA-0x1000(4,%r1),0(%r10) | |
| ff6b8ea6 MH |
28 | stfpc __LC_FP_CREG_SAVE_AREA-0x1000(%r1) |
| 29 | stckc .Lclkcmp-.Lpg0(%r13) | |
| c70d0fef | 30 | mvc __LC_CLOCK_COMP_SAVE_AREA-0x1000(7,%r1),.Lclkcmp-.Lpg0(%r13) |
| ff6b8ea6 MH |
31 | stpt __LC_CPU_TIMER_SAVE_AREA-0x1000(%r1) |
| 32 | stg %r13, __LC_PSW_SAVE_AREA-0x1000+8(%r1) | |
| 33 | ||
| 15e9b586 | 34 | lctlg %c6,%c6,.Lall-.Lpg0(%r13) |
| 25d83cbf HC |
35 | lgr %r1,%r2 |
| 36 | mvc __LC_PGM_NEW_PSW(16),.Lpcnew-.Lpg0(%r13) | |
| 37 | stsch .Lschib-.Lpg0(%r13) | |
| 38 | oi .Lschib+5-.Lpg0(%r13),0x84 | |
| 39 | .Lecs: xi .Lschib+27-.Lpg0(%r13),0x01 | |
| 40 | msch .Lschib-.Lpg0(%r13) | |
| 41 | lghi %r0,5 | |
| 42 | .Lssch: ssch .Liplorb-.Lpg0(%r13) | |
| 1da177e4 | 43 | jz .L001 |
| 25d83cbf | 44 | brct %r0,.Lssch |
| 1da177e4 | 45 | bas %r14,.Ldisab-.Lpg0(%r13) |
| 25d83cbf HC |
46 | .L001: mvc __LC_IO_NEW_PSW(16),.Lionew-.Lpg0(%r13) |
| 47 | .Ltpi: lpswe .Lwaitpsw-.Lpg0(%r13) | |
| 1da177e4 LT |
48 | .Lcont: c %r1,__LC_SUBCHANNEL_ID |
| 49 | jnz .Ltpi | |
| 50 | clc __LC_IO_INT_PARM(4),.Liplorb-.Lpg0(%r13) | |
| 51 | jnz .Ltpi | |
| 25d83cbf | 52 | tsch .Liplirb-.Lpg0(%r13) |
| 1da177e4 | 53 | tm .Liplirb+9-.Lpg0(%r13),0xbf |
| 25d83cbf HC |
54 | jz .L002 |
| 55 | bas %r14,.Ldisab-.Lpg0(%r13) | |
| 56 | .L002: tm .Liplirb+8-.Lpg0(%r13),0xf3 | |
| 57 | jz .L003 | |
| 58 | bas %r14,.Ldisab-.Lpg0(%r13) | |
| 15e9b586 | 59 | .L003: st %r1,__LC_SUBCHANNEL_ID |
| 25d83cbf HC |
60 | lhi %r1,0 # mode 0 = esa |
| 61 | slr %r0,%r0 # set cpuid to zero | |
| 62 | sigp %r1,%r0,0x12 # switch to esa mode | |
| 63 | lpsw 0 | |
| 64 | .Ldisab: sll %r14,1 | |
| 65 | srl %r14,1 # need to kill hi bit to avoid specification exceptions. | |
| 66 | st %r14,.Ldispsw+12-.Lpg0(%r13) | |
| 1da177e4 | 67 | lpswe .Ldispsw-.Lpg0(%r13) |
| 25d83cbf | 68 | .align 8 |
| ff6b8ea6 | 69 | .Lclkcmp: .quad 0x0000000000000000 |
| 1da177e4 | 70 | .Lall: .quad 0x00000000ff000000 |
| c5dd8586 | 71 | .Ldump_pfx: .quad dump_prefix_page |
| ff6b8ea6 | 72 | .Lregsave: .quad 0x0000000000000000 |
| 25d83cbf | 73 | .align 16 |
| 1da177e4 LT |
74 | /* |
| 75 | * These addresses have to be 31 bit otherwise | |
| 76 | * the sigp will throw a specifcation exception | |
| 77 | * when switching to ESA mode as bit 31 be set | |
| 78 | * in the ESA psw. | |
| 79 | * Bit 31 of the addresses has to be 0 for the | |
| 80 | * 31bit lpswe instruction a fact they appear to have | |
| 25985edc | 81 | * omitted from the pop. |
| 1da177e4 | 82 | */ |
| 25d83cbf HC |
83 | .Lnewpsw: .quad 0x0000000080000000 |
| 84 | .quad .Lpg1 | |
| 85 | .Lpcnew: .quad 0x0000000080000000 | |
| 86 | .quad .Lecs | |
| 87 | .Lionew: .quad 0x0000000080000000 | |
| 88 | .quad .Lcont | |
| 1da177e4 | 89 | .Lwaitpsw: .quad 0x0202000080000000 |
| 25d83cbf HC |
90 | .quad .Ltpi |
| 91 | .Ldispsw: .quad 0x0002000080000000 | |
| 92 | .quad 0x0000000000000000 | |
| 93 | .Liplccws: .long 0x02000000,0x60000018 | |
| 94 | .long 0x08000008,0x20000001 | |
| 1da177e4 LT |
95 | .Liplorb: .long 0x0049504c,0x0040ff80 |
| 96 | .long 0x00000000+.Liplccws | |
| 25d83cbf HC |
97 | .Lschib: .long 0x00000000,0x00000000 |
| 98 | .long 0x00000000,0x00000000 | |
| 99 | .long 0x00000000,0x00000000 | |
| 100 | .long 0x00000000,0x00000000 | |
| 101 | .long 0x00000000,0x00000000 | |
| 102 | .long 0x00000000,0x00000000 | |
| 1da177e4 LT |
103 | .Liplirb: .long 0x00000000,0x00000000 |
| 104 | .long 0x00000000,0x00000000 | |
| 105 | .long 0x00000000,0x00000000 | |
| 106 | .long 0x00000000,0x00000000 | |
| 107 | .long 0x00000000,0x00000000 | |
| 108 | .long 0x00000000,0x00000000 | |
| 109 | .long 0x00000000,0x00000000 | |
| 110 | .long 0x00000000,0x00000000 |