Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * arch/s390/kernel/head.S |
| 3 | * |
Heiko Carstens | b1b7030 | 2006-06-29 14:58:17 +0200 | [diff] [blame] | 4 | * Copyright (C) IBM Corp. 1999,2006 |
Heiko Carstens | 0ad775d | 2005-11-07 00:59:12 -0800 | [diff] [blame] | 5 | * |
| 6 | * Author(s): Hartmut Penner <hp@de.ibm.com> |
| 7 | * Martin Schwidefsky <schwidefsky@de.ibm.com> |
| 8 | * Rob van der Heij <rvdhei@iae.nl> |
| 9 | * Heiko Carstens <heiko.carstens@de.ibm.com> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * |
| 11 | * There are 5 different IPL methods |
| 12 | * 1) load the image directly into ram at address 0 and do an PSW restart |
| 13 | * 2) linload will load the image from address 0x10000 to memory 0x10000 |
| 14 | * and start the code thru LPSW 0x0008000080010000 (VM only, deprecated) |
| 15 | * 3) generate the tape ipl header, store the generated image on a tape |
| 16 | * and ipl from it |
| 17 | * In case of SL tape you need to IPL 5 times to get past VOL1 etc |
| 18 | * 4) generate the vm reader ipl header, move the generated image to the |
| 19 | * VM reader (use option NOH!) and do a ipl from reader (VM only) |
| 20 | * 5) direct call of start by the SALIPL loader |
| 21 | * We use the cpuid to distinguish between VM and native ipl |
| 22 | * params for kernel are pushed to 0x10400 (see setup.h) |
Heiko Carstens | 0ad775d | 2005-11-07 00:59:12 -0800 | [diff] [blame] | 23 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | */ |
| 25 | |
Tim Abbott | 2133bb8 | 2009-04-25 22:11:06 -0400 | [diff] [blame] | 26 | #include <linux/init.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <asm/setup.h> |
| 28 | #include <asm/lowcore.h> |
Sam Ravnborg | 0013a85 | 2005-09-09 20:57:26 +0200 | [diff] [blame] | 29 | #include <asm/asm-offsets.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <asm/thread_info.h> |
| 31 | #include <asm/page.h> |
| 32 | |
Martin Schwidefsky | 347a8dc | 2006-01-06 00:19:28 -0800 | [diff] [blame] | 33 | #ifdef CONFIG_64BIT |
Heiko Carstens | 0ad775d | 2005-11-07 00:59:12 -0800 | [diff] [blame] | 34 | #define ARCH_OFFSET 4 |
| 35 | #else |
| 36 | #define ARCH_OFFSET 0 |
| 37 | #endif |
| 38 | |
Tim Abbott | 2133bb8 | 2009-04-25 22:11:06 -0400 | [diff] [blame] | 39 | __HEAD |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | #ifndef CONFIG_IPL |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 41 | .org 0 |
| 42 | .long 0x00080000,0x80000000+startup # Just a restart PSW |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | #else |
| 44 | #ifdef CONFIG_IPL_TAPE |
| 45 | #define IPL_BS 1024 |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 46 | .org 0 |
| 47 | .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded |
| 48 | .long 0x27000000,0x60000001 # by ipl to addresses 0-23. |
| 49 | .long 0x02000000,0x20000000+IPL_BS # (a PSW and two CCWs). |
| 50 | .long 0x00000000,0x00000000 # external old psw |
| 51 | .long 0x00000000,0x00000000 # svc old psw |
| 52 | .long 0x00000000,0x00000000 # program check old psw |
| 53 | .long 0x00000000,0x00000000 # machine check old psw |
| 54 | .long 0x00000000,0x00000000 # io old psw |
| 55 | .long 0x00000000,0x00000000 |
| 56 | .long 0x00000000,0x00000000 |
| 57 | .long 0x00000000,0x00000000 |
| 58 | .long 0x000a0000,0x00000058 # external new psw |
| 59 | .long 0x000a0000,0x00000060 # svc new psw |
| 60 | .long 0x000a0000,0x00000068 # program check new psw |
| 61 | .long 0x000a0000,0x00000070 # machine check new psw |
| 62 | .long 0x00080000,0x80000000+.Lioint # io new psw |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 64 | .org 0x100 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | # |
| 66 | # subroutine for loading from tape |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 67 | # Paramters: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | # R1 = device number |
| 69 | # R2 = load address |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 70 | .Lloader: |
| 71 | st %r14,.Lldret |
| 72 | la %r3,.Lorbread # r3 = address of orb |
| 73 | la %r5,.Lirb # r5 = address of irb |
| 74 | st %r2,.Lccwread+4 # initialize CCW data addresses |
| 75 | lctl %c6,%c6,.Lcr6 |
| 76 | slr %r2,%r2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | .Lldlp: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 78 | la %r6,3 # 3 retries |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | .Lssch: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 80 | ssch 0(%r3) # load chunk of IPL_BS bytes |
| 81 | bnz .Llderr |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | .Lw4end: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 83 | bas %r14,.Lwait4io |
| 84 | tm 8(%r5),0x82 # do we have a problem ? |
| 85 | bnz .Lrecov |
| 86 | slr %r7,%r7 |
| 87 | icm %r7,3,10(%r5) # get residual count |
| 88 | lcr %r7,%r7 |
| 89 | la %r7,IPL_BS(%r7) # IPL_BS-residual=#bytes read |
| 90 | ar %r2,%r7 # add to total size |
| 91 | tm 8(%r5),0x01 # found a tape mark ? |
| 92 | bnz .Ldone |
| 93 | l %r0,.Lccwread+4 # update CCW data addresses |
| 94 | ar %r0,%r7 |
| 95 | st %r0,.Lccwread+4 |
| 96 | b .Lldlp |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | .Ldone: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 98 | l %r14,.Lldret |
| 99 | br %r14 # r2 contains the total size |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | .Lrecov: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 101 | bas %r14,.Lsense # do the sensing |
| 102 | bct %r6,.Lssch # dec. retry count & branch |
| 103 | b .Llderr |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | # |
| 105 | # Sense subroutine |
| 106 | # |
| 107 | .Lsense: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 108 | st %r14,.Lsnsret |
| 109 | la %r7,.Lorbsense |
| 110 | ssch 0(%r7) # start sense command |
| 111 | bnz .Llderr |
| 112 | bas %r14,.Lwait4io |
| 113 | l %r14,.Lsnsret |
| 114 | tm 8(%r5),0x82 # do we have a problem ? |
| 115 | bnz .Llderr |
| 116 | br %r14 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | # |
| 118 | # Wait for interrupt subroutine |
| 119 | # |
| 120 | .Lwait4io: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 121 | lpsw .Lwaitpsw |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | .Lioint: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 123 | c %r1,0xb8 # compare subchannel number |
| 124 | bne .Lwait4io |
| 125 | tsch 0(%r5) |
| 126 | slr %r0,%r0 |
| 127 | tm 8(%r5),0x82 # do we have a problem ? |
| 128 | bnz .Lwtexit |
| 129 | tm 8(%r5),0x04 # got device end ? |
| 130 | bz .Lwait4io |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | .Lwtexit: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 132 | br %r14 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | .Llderr: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 134 | lpsw .Lcrash |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 136 | .align 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | .Lorbread: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 138 | .long 0x00000000,0x0080ff00,.Lccwread |
| 139 | .align 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | .Lorbsense: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 141 | .long 0x00000000,0x0080ff00,.Lccwsense |
| 142 | .align 8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | .Lccwread: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 144 | .long 0x02200000+IPL_BS,0x00000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | .Lccwsense: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 146 | .long 0x04200001,0x00000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | .Lwaitpsw: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 148 | .long 0x020a0000,0x80000000+.Lioint |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 150 | .Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
| 151 | .Lcr6: .long 0xff000000 |
| 152 | .align 8 |
| 153 | .Lcrash:.long 0x000a0000,0x00000000 |
| 154 | .Lldret:.long 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | .Lsnsret: .long 0 |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 156 | #endif /* CONFIG_IPL_TAPE */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | |
| 158 | #ifdef CONFIG_IPL_VM |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 159 | #define IPL_BS 0x730 |
| 160 | .org 0 |
| 161 | .long 0x00080000,0x80000000+iplstart # The first 24 bytes are loaded |
| 162 | .long 0x02000018,0x60000050 # by ipl to addresses 0-23. |
| 163 | .long 0x02000068,0x60000050 # (a PSW and two CCWs). |
| 164 | .fill 80-24,1,0x40 # bytes 24-79 are discarded !! |
| 165 | .long 0x020000f0,0x60000050 # The next 160 byte are loaded |
| 166 | .long 0x02000140,0x60000050 # to addresses 0x18-0xb7 |
| 167 | .long 0x02000190,0x60000050 # They form the continuation |
| 168 | .long 0x020001e0,0x60000050 # of the CCW program started |
| 169 | .long 0x02000230,0x60000050 # by ipl and load the range |
| 170 | .long 0x02000280,0x60000050 # 0x0f0-0x730 from the image |
| 171 | .long 0x020002d0,0x60000050 # to the range 0x0f0-0x730 |
| 172 | .long 0x02000320,0x60000050 # in memory. At the end of |
| 173 | .long 0x02000370,0x60000050 # the channel program the PSW |
| 174 | .long 0x020003c0,0x60000050 # at location 0 is loaded. |
| 175 | .long 0x02000410,0x60000050 # Initial processing starts |
| 176 | .long 0x02000460,0x60000050 # at 0xf0 = iplstart. |
| 177 | .long 0x020004b0,0x60000050 |
| 178 | .long 0x02000500,0x60000050 |
| 179 | .long 0x02000550,0x60000050 |
| 180 | .long 0x020005a0,0x60000050 |
| 181 | .long 0x020005f0,0x60000050 |
| 182 | .long 0x02000640,0x60000050 |
| 183 | .long 0x02000690,0x60000050 |
| 184 | .long 0x020006e0,0x20000050 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 186 | .org 0xf0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | # |
| 188 | # subroutine for loading cards from the reader |
| 189 | # |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 190 | .Lloader: |
| 191 | la %r3,.Lorb # r2 = address of orb into r2 |
| 192 | la %r5,.Lirb # r4 = address of irb |
| 193 | la %r6,.Lccws |
| 194 | la %r7,20 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | .Linit: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 196 | st %r2,4(%r6) # initialize CCW data addresses |
| 197 | la %r2,0x50(%r2) |
| 198 | la %r6,8(%r6) |
| 199 | bct 7,.Linit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 201 | lctl %c6,%c6,.Lcr6 # set IO subclass mask |
| 202 | slr %r2,%r2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | .Lldlp: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 204 | ssch 0(%r3) # load chunk of 1600 bytes |
| 205 | bnz .Llderr |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | .Lwait4irq: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 207 | mvc 0x78(8),.Lnewpsw # set up IO interrupt psw |
| 208 | lpsw .Lwaitpsw |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | .Lioint: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 210 | c %r1,0xb8 # compare subchannel number |
| 211 | bne .Lwait4irq |
| 212 | tsch 0(%r5) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 214 | slr %r0,%r0 |
| 215 | ic %r0,8(%r5) # get device status |
| 216 | chi %r0,8 # channel end ? |
| 217 | be .Lcont |
| 218 | chi %r0,12 # channel end + device end ? |
| 219 | be .Lcont |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 221 | l %r0,4(%r5) |
| 222 | s %r0,8(%r3) # r0/8 = number of ccws executed |
| 223 | mhi %r0,10 # *10 = number of bytes in ccws |
| 224 | lh %r3,10(%r5) # get residual count |
| 225 | sr %r0,%r3 # #ccws*80-residual=#bytes read |
| 226 | ar %r2,%r0 |
| 227 | |
| 228 | br %r14 # r2 contains the total size |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | |
| 230 | .Lcont: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 231 | ahi %r2,0x640 # add 0x640 to total size |
| 232 | la %r6,.Lccws |
| 233 | la %r7,20 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | .Lincr: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 235 | l %r0,4(%r6) # update CCW data addresses |
| 236 | ahi %r0,0x640 |
| 237 | st %r0,4(%r6) |
| 238 | ahi %r6,8 |
| 239 | bct 7,.Lincr |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 241 | b .Lldlp |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | .Llderr: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 243 | lpsw .Lcrash |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 245 | .align 8 |
| 246 | .Lorb: .long 0x00000000,0x0080ff00,.Lccws |
| 247 | .Lirb: .long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 |
| 248 | .Lcr6: .long 0xff000000 |
| 249 | .Lloadp:.long 0,0 |
| 250 | .align 8 |
| 251 | .Lcrash:.long 0x000a0000,0x00000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | .Lnewpsw: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 253 | .long 0x00080000,0x80000000+.Lioint |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | .Lwaitpsw: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 255 | .long 0x020a0000,0x80000000+.Lioint |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 257 | .align 8 |
| 258 | .Lccws: .rept 19 |
| 259 | .long 0x02600050,0x00000000 |
| 260 | .endr |
| 261 | .long 0x02200050,0x00000000 |
| 262 | #endif /* CONFIG_IPL_VM */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | |
| 264 | iplstart: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 265 | lh %r1,0xb8 # test if subchannel number |
| 266 | bct %r1,.Lnoload # is valid |
| 267 | l %r1,0xb8 # load ipl subchannel number |
| 268 | la %r2,IPL_BS # load start address |
| 269 | bas %r14,.Lloader # load rest of ipl image |
| 270 | l %r12,.Lparm # pointer to parameter area |
| 271 | st %r1,IPL_DEVICE+ARCH_OFFSET-PARMAREA(%r12) # save ipl device number |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | |
| 273 | # |
| 274 | # load parameter file from ipl device |
| 275 | # |
| 276 | .Lagain1: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 277 | l %r2,.Linitrd # ramdisk loc. is temp |
| 278 | bas %r14,.Lloader # load parameter file |
| 279 | ltr %r2,%r2 # got anything ? |
| 280 | bz .Lnopf |
| 281 | chi %r2,895 |
| 282 | bnh .Lnotrunc |
| 283 | la %r2,895 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | .Lnotrunc: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 285 | l %r4,.Linitrd |
| 286 | clc 0(3,%r4),.L_hdr # if it is HDRx |
| 287 | bz .Lagain1 # skip dataset header |
| 288 | clc 0(3,%r4),.L_eof # if it is EOFx |
| 289 | bz .Lagain1 # skip dateset trailer |
| 290 | la %r5,0(%r4,%r2) |
| 291 | lr %r3,%r2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | .Lidebc: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 293 | tm 0(%r5),0x80 # high order bit set ? |
| 294 | bo .Ldocv # yes -> convert from EBCDIC |
| 295 | ahi %r5,-1 |
| 296 | bct %r3,.Lidebc |
| 297 | b .Lnocv |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | .Ldocv: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 299 | l %r3,.Lcvtab |
| 300 | tr 0(256,%r4),0(%r3) # convert parameters to ascii |
| 301 | tr 256(256,%r4),0(%r3) |
| 302 | tr 512(256,%r4),0(%r3) |
| 303 | tr 768(122,%r4),0(%r3) |
| 304 | .Lnocv: la %r3,COMMAND_LINE-PARMAREA(%r12) # load adr. of command line |
| 305 | mvc 0(256,%r3),0(%r4) |
| 306 | mvc 256(256,%r3),256(%r4) |
| 307 | mvc 512(256,%r3),512(%r4) |
| 308 | mvc 768(122,%r3),768(%r4) |
| 309 | slr %r0,%r0 |
| 310 | b .Lcntlp |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | .Ldelspc: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 312 | ic %r0,0(%r2,%r3) |
| 313 | chi %r0,0x20 # is it a space ? |
| 314 | be .Lcntlp |
| 315 | ahi %r2,1 |
| 316 | b .Leolp |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | .Lcntlp: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 318 | brct %r2,.Ldelspc |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | .Leolp: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 320 | slr %r0,%r0 |
| 321 | stc %r0,0(%r2,%r3) # terminate buffer |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | .Lnopf: |
| 323 | |
| 324 | # |
| 325 | # load ramdisk from ipl device |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 326 | # |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | .Lagain2: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 328 | l %r2,.Linitrd # addr of ramdisk |
| 329 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) |
| 330 | bas %r14,.Lloader # load ramdisk |
| 331 | st %r2,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r12) # store size of rd |
| 332 | ltr %r2,%r2 |
| 333 | bnz .Lrdcont |
| 334 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # no ramdisk found |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | .Lrdcont: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 336 | l %r2,.Linitrd |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 338 | clc 0(3,%r2),.L_hdr # skip HDRx and EOFx |
| 339 | bz .Lagain2 |
| 340 | clc 0(3,%r2),.L_eof |
| 341 | bz .Lagain2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | |
| 343 | #ifdef CONFIG_IPL_VM |
| 344 | # |
| 345 | # reset files in VM reader |
| 346 | # |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 347 | stidp __LC_CPUID # store cpuid |
| 348 | tm __LC_CPUID,0xff # running VM ? |
| 349 | bno .Lnoreset |
| 350 | la %r2,.Lreset |
| 351 | lhi %r3,26 |
| 352 | diag %r2,%r3,8 |
| 353 | la %r5,.Lirb |
| 354 | stsch 0(%r5) # check if irq is pending |
| 355 | tm 30(%r5),0x0f # by verifying if any of the |
| 356 | bnz .Lwaitforirq # activity or status control |
| 357 | tm 31(%r5),0xff # bits is set in the schib |
| 358 | bz .Lnoreset |
Heiko Carstens | 350e3ad | 2005-07-29 14:03:36 -0700 | [diff] [blame] | 359 | .Lwaitforirq: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 360 | mvc 0x78(8),.Lrdrnewpsw # set up IO interrupt psw |
Heiko Carstens | 2b07188 | 2005-06-21 17:16:31 -0700 | [diff] [blame] | 361 | .Lwaitrdrirq: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 362 | lpsw .Lrdrwaitpsw |
Heiko Carstens | 2b07188 | 2005-06-21 17:16:31 -0700 | [diff] [blame] | 363 | .Lrdrint: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 364 | c %r1,0xb8 # compare subchannel number |
| 365 | bne .Lwaitrdrirq |
| 366 | la %r5,.Lirb |
| 367 | tsch 0(%r5) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | .Lnoreset: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 369 | b .Lnoload |
Heiko Carstens | 2b07188 | 2005-06-21 17:16:31 -0700 | [diff] [blame] | 370 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 371 | .align 8 |
Heiko Carstens | 2b07188 | 2005-06-21 17:16:31 -0700 | [diff] [blame] | 372 | .Lrdrnewpsw: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 373 | .long 0x00080000,0x80000000+.Lrdrint |
Heiko Carstens | 2b07188 | 2005-06-21 17:16:31 -0700 | [diff] [blame] | 374 | .Lrdrwaitpsw: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 375 | .long 0x020a0000,0x80000000+.Lrdrint |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | #endif |
Heiko Carstens | 2b07188 | 2005-06-21 17:16:31 -0700 | [diff] [blame] | 377 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | # |
| 379 | # everything loaded, go for it |
| 380 | # |
| 381 | .Lnoload: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 382 | l %r1,.Lstartup |
| 383 | br %r1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 385 | .Linitrd:.long _end + 0x400000 # default address of initrd |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | .Lparm: .long PARMAREA |
| 387 | .Lstartup: .long startup |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 388 | .Lcvtab:.long _ebcasc # ebcdic to ascii table |
| 389 | .Lreset:.byte 0xc3,0xc8,0xc1,0xd5,0xc7,0xc5,0x40,0xd9,0xc4,0xd9,0x40 |
| 390 | .byte 0xc1,0xd3,0xd3,0x40,0xd2,0xc5,0xc5,0xd7,0x40,0xd5,0xd6 |
| 391 | .byte 0xc8,0xd6,0xd3,0xc4 # "change rdr all keep nohold" |
| 392 | .L_eof: .long 0xc5d6c600 /* C'EOF' */ |
| 393 | .L_hdr: .long 0xc8c4d900 /* C'HDR' */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 395 | #endif /* CONFIG_IPL */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | |
| 397 | # |
| 398 | # SALIPL loader support. Based on a patch by Rob van der Heij. |
| 399 | # This entry point is called directly from the SALIPL loader and |
| 400 | # doesn't need a builtin ipl record. |
| 401 | # |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 402 | .org 0x800 |
| 403 | .globl start |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | start: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 405 | stm %r0,%r15,0x07b0 # store registers |
| 406 | basr %r12,%r0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | .base: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 408 | l %r11,.parm |
| 409 | l %r8,.cmd # pointer to command buffer |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 411 | ltr %r9,%r9 # do we have SALIPL parameters? |
| 412 | bp .sk8x8 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 414 | mvc 0(64,%r8),0x00b0 # copy saved registers |
| 415 | xc 64(240-64,%r8),0(%r8) # remainder of buffer |
| 416 | tr 0(64,%r8),.lowcase |
| 417 | b .gotr |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | .sk8x8: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 419 | mvc 0(240,%r8),0(%r9) # copy iplparms into buffer |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | .gotr: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 421 | l %r10,.tbl # EBCDIC to ASCII table |
| 422 | tr 0(240,%r8),0(%r10) |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 423 | slr %r0,%r0 |
| 424 | st %r0,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r11) |
| 425 | st %r0,INITRD_START+ARCH_OFFSET-PARMAREA(%r11) |
| 426 | j startup # continue with startup |
| 427 | .tbl: .long _ebcasc # translate table |
| 428 | .cmd: .long COMMAND_LINE # address of command line buffer |
| 429 | .parm: .long PARMAREA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | .lowcase: |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 431 | .byte 0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | .byte 0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 433 | .byte 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | .byte 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 435 | .byte 0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | .byte 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 437 | .byte 0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | .byte 0x38,0x39,0x3a,0x3b,0x3c,0x3d,0x3e,0x3f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 439 | .byte 0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | .byte 0x48,0x49,0x4a,0x4b,0x4c,0x4d,0x4e,0x4f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 441 | .byte 0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | .byte 0x58,0x59,0x5a,0x5b,0x5c,0x5d,0x5e,0x5f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 443 | .byte 0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | .byte 0x68,0x69,0x6a,0x6b,0x6c,0x6d,0x6e,0x6f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 445 | .byte 0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | .byte 0x78,0x79,0x7a,0x7b,0x7c,0x7d,0x7e,0x7f |
| 447 | |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 448 | .byte 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | .byte 0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 450 | .byte 0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | .byte 0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 452 | .byte 0xa0,0xa1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | .byte 0xa8,0xa9,0xaa,0xab,0xac,0xad,0xae,0xaf |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 454 | .byte 0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb6,0xb7 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 455 | .byte 0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xbe,0xbf |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 456 | .byte 0xc0,0x81,0x82,0x83,0x84,0x85,0x86,0x87 # .abcdefg |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | .byte 0x88,0x89,0xca,0xcb,0xcc,0xcd,0xce,0xcf # hi |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 458 | .byte 0xd0,0x91,0x92,0x93,0x94,0x95,0x96,0x97 # .jklmnop |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | .byte 0x98,0x99,0xda,0xdb,0xdc,0xdd,0xde,0xdf # qr |
| 460 | .byte 0xe0,0xe1,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7 # ..stuvwx |
| 461 | .byte 0xa8,0xa9,0xea,0xeb,0xec,0xed,0xee,0xef # yz |
Heiko Carstens | 25d83cb | 2006-09-28 16:56:37 +0200 | [diff] [blame] | 462 | .byte 0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 463 | .byte 0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff |
| 464 | |
Martin Schwidefsky | e37f50e | 2008-12-25 13:39:19 +0100 | [diff] [blame] | 465 | # |
| 466 | # startup-code at 0x10000, running in absolute addressing mode |
| 467 | # this is called either by the ipl loader or directly by PSW restart |
| 468 | # or linload or SALIPL |
| 469 | # |
| 470 | .org 0x10000 |
| 471 | startup:basr %r13,0 # get base |
| 472 | .LPG0: |
Martin Schwidefsky | 866ba28 | 2009-03-26 15:24:44 +0100 | [diff] [blame] | 473 | xc 0x200(256),0x200 # partially clear lowcore |
| 474 | xc 0x300(256),0x300 |
Martin Schwidefsky | b6112cc | 2009-04-14 15:36:28 +0200 | [diff] [blame] | 475 | l %r1,5f-.LPG0(%r13) |
| 476 | stck 0(%r1) |
Martin Schwidefsky | ab96e79 | 2009-04-14 15:36:29 +0200 | [diff] [blame] | 477 | spt 6f-.LPG0(%r13) |
| 478 | mvc __LC_LAST_UPDATE_CLOCK(8),0(%r1) |
| 479 | mvc __LC_LAST_UPDATE_TIMER(8),6f-.LPG0(%r13) |
| 480 | mvc __LC_EXIT_TIMER(8),5f-.LPG0(%r13) |
Martin Schwidefsky | e37f50e | 2008-12-25 13:39:19 +0100 | [diff] [blame] | 481 | #ifndef CONFIG_MARCH_G5 |
| 482 | # check processor version against MARCH_{G5,Z900,Z990,Z9_109,Z10} |
| 483 | stidp __LC_CPUID # store cpuid |
| 484 | lhi %r0,(3f-2f) / 2 |
| 485 | la %r1,2f-.LPG0(%r13) |
| 486 | 0: clc __LC_CPUID+4(2),0(%r1) |
| 487 | jne 3f |
| 488 | lpsw 1f-.LPG0(13) # machine type not good enough, crash |
| 489 | .align 16 |
| 490 | 1: .long 0x000a0000,0x00000000 |
| 491 | 2: |
| 492 | #if defined(CONFIG_MARCH_Z10) |
| 493 | .short 0x9672, 0x2064, 0x2066, 0x2084, 0x2086, 0x2094, 0x2096 |
| 494 | #elif defined(CONFIG_MARCH_Z9_109) |
| 495 | .short 0x9672, 0x2064, 0x2066, 0x2084, 0x2086 |
| 496 | #elif defined(CONFIG_MARCH_Z990) |
| 497 | .short 0x9672, 0x2064, 0x2066 |
| 498 | #elif defined(CONFIG_MARCH_Z900) |
| 499 | .short 0x9672 |
| 500 | #endif |
| 501 | 3: la %r1,2(%r1) |
| 502 | brct %r0,0b |
| 503 | #endif |
| 504 | |
Martin Schwidefsky | b6112cc | 2009-04-14 15:36:28 +0200 | [diff] [blame] | 505 | l %r13,4f-.LPG0(%r13) |
Martin Schwidefsky | e37f50e | 2008-12-25 13:39:19 +0100 | [diff] [blame] | 506 | b 0(%r13) |
Martin Schwidefsky | ab96e79 | 2009-04-14 15:36:29 +0200 | [diff] [blame] | 507 | .align 4 |
Martin Schwidefsky | b6112cc | 2009-04-14 15:36:28 +0200 | [diff] [blame] | 508 | 4: .long startup_continue |
| 509 | 5: .long sched_clock_base_cc |
Martin Schwidefsky | ab96e79 | 2009-04-14 15:36:29 +0200 | [diff] [blame] | 510 | .align 8 |
| 511 | 6: .long 0x7fffffff,0xffffffff |
Martin Schwidefsky | e37f50e | 2008-12-25 13:39:19 +0100 | [diff] [blame] | 512 | |
| 513 | # |
| 514 | # params at 10400 (setup.h) |
| 515 | # |
| 516 | .org PARMAREA |
| 517 | .long 0,0 # IPL_DEVICE |
| 518 | .long 0,0 # INITRD_START |
| 519 | .long 0,0 # INITRD_SIZE |
| 520 | |
| 521 | .org COMMAND_LINE |
| 522 | .byte "root=/dev/ram0 ro" |
| 523 | .byte 0 |
| 524 | |
Martin Schwidefsky | 347a8dc | 2006-01-06 00:19:28 -0800 | [diff] [blame] | 525 | #ifdef CONFIG_64BIT |
Heiko Carstens | 0ad775d | 2005-11-07 00:59:12 -0800 | [diff] [blame] | 526 | #include "head64.S" |
| 527 | #else |
| 528 | #include "head31.S" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | #endif |