diff options
Diffstat (limited to 'arch/s390/kernel/head.S')
-rw-r--r-- | arch/s390/kernel/head.S | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index adad8863ee2f..a6e9bdb53591 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S | |||
@@ -272,7 +272,7 @@ iplstart: | |||
272 | # load parameter file from ipl device | 272 | # load parameter file from ipl device |
273 | # | 273 | # |
274 | .Lagain1: | 274 | .Lagain1: |
275 | l %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # ramdisk loc. is temp | 275 | l %r2,.Linitrd # ramdisk loc. is temp |
276 | bas %r14,.Lloader # load parameter file | 276 | bas %r14,.Lloader # load parameter file |
277 | ltr %r2,%r2 # got anything ? | 277 | ltr %r2,%r2 # got anything ? |
278 | bz .Lnopf | 278 | bz .Lnopf |
@@ -280,7 +280,7 @@ iplstart: | |||
280 | bnh .Lnotrunc | 280 | bnh .Lnotrunc |
281 | la %r2,895 | 281 | la %r2,895 |
282 | .Lnotrunc: | 282 | .Lnotrunc: |
283 | l %r4,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) | 283 | l %r4,.Linitrd |
284 | clc 0(3,%r4),.L_hdr # if it is HDRx | 284 | clc 0(3,%r4),.L_hdr # if it is HDRx |
285 | bz .Lagain1 # skip dataset header | 285 | bz .Lagain1 # skip dataset header |
286 | clc 0(3,%r4),.L_eof # if it is EOFx | 286 | clc 0(3,%r4),.L_eof # if it is EOFx |
@@ -323,14 +323,15 @@ iplstart: | |||
323 | # load ramdisk from ipl device | 323 | # load ramdisk from ipl device |
324 | # | 324 | # |
325 | .Lagain2: | 325 | .Lagain2: |
326 | l %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # addr of ramdisk | 326 | l %r2,.Linitrd # addr of ramdisk |
327 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) | ||
327 | bas %r14,.Lloader # load ramdisk | 328 | bas %r14,.Lloader # load ramdisk |
328 | st %r2,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r12) # store size of ramdisk | 329 | st %r2,INITRD_SIZE+ARCH_OFFSET-PARMAREA(%r12) # store size of ramdisk |
329 | ltr %r2,%r2 | 330 | ltr %r2,%r2 |
330 | bnz .Lrdcont | 331 | bnz .Lrdcont |
331 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # no ramdisk found | 332 | st %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) # no ramdisk found |
332 | .Lrdcont: | 333 | .Lrdcont: |
333 | l %r2,INITRD_START+ARCH_OFFSET-PARMAREA(%r12) | 334 | l %r2,.Linitrd |
334 | 335 | ||
335 | clc 0(3,%r2),.L_hdr # skip HDRx and EOFx | 336 | clc 0(3,%r2),.L_hdr # skip HDRx and EOFx |
336 | bz .Lagain2 | 337 | bz .Lagain2 |
@@ -379,6 +380,7 @@ iplstart: | |||
379 | l %r1,.Lstartup | 380 | l %r1,.Lstartup |
380 | br %r1 | 381 | br %r1 |
381 | 382 | ||
383 | .Linitrd:.long _end + 0x400000 # default address of initrd | ||
382 | .Lparm: .long PARMAREA | 384 | .Lparm: .long PARMAREA |
383 | .Lstartup: .long startup | 385 | .Lstartup: .long startup |
384 | .Lcvtab:.long _ebcasc # ebcdic to ascii table | 386 | .Lcvtab:.long _ebcasc # ebcdic to ascii table |