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[S390] Add processor type march=z10 and a processor type safety check.

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This patch adds the code generation option for IBM System z10 and
adds a check in head[31,64].S to prevents the execution of a kernel
compiled for a new processor type on an old machine.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Martin Schwidefsky
2008-12-25 13:39:19 +01:00
parent b3b59d3339
commit e37f50e181
5 changed files with 61 additions and 47 deletions
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23
arch/s390/kernel/head64.S
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@@ -10,29 +10,6 @@
*
*/
#
# startup-code at 0x10000, running in absolute addressing mode
# this is called either by the ipl loader or directly by PSW restart
# or linload or SALIPL
#
.org 0x10000
startup:basr %r13,0 # get base
.LPG0: l %r13,0f-.LPG0(%r13)
b 0(%r13)
0: .long startup_continue
#
# params at 10400 (setup.h)
#
.org PARMAREA
.quad 0 # IPL_DEVICE
.quad 0 # INITRD_START
.quad 0 # INITRD_SIZE
.org COMMAND_LINE
.byte "root=/dev/ram0 ro"
.byte 0
.org 0x11000
startup_continue: