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-rw-r--r--arch/s390/kernel/base.S68
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S
index f268fca67e82..d6ee5978e273 100644
--- a/arch/s390/kernel/base.S
+++ b/arch/s390/kernel/base.S
@@ -79,71 +79,3 @@ disabled_wait_psw:
s390_base_pgm_handler_fn:
.quad 0
.previous
-
-#
-# Calls diag 308 subcode 1 and continues execution
-#
-ENTRY(diag308_reset)
- larl %r4,.Lctlregs # Save control registers
- stctg %c0,%c15,0(%r4)
- lg %r2,0(%r4) # Disable lowcore protection
- nilh %r2,0xefff
- larl %r4,.Lctlreg0
- stg %r2,0(%r4)
- lctlg %c0,%c0,0(%r4)
- larl %r4,.Lfpctl # Floating point control register
- stfpc 0(%r4)
- larl %r4,.Lprefix # Save prefix register
- stpx 0(%r4)
- larl %r4,.Lprefix_zero # Set prefix register to 0
- spx 0(%r4)
- larl %r4,.Lcontinue_psw # Save PSW flags
- epsw %r2,%r3
- stm %r2,%r3,0(%r4)
- larl %r4,.Lrestart_psw # Setup restart PSW at absolute 0
- lghi %r3,0
- lg %r4,0(%r4) # Save PSW
- sturg %r4,%r3 # Use sturg, because of large pages
- lghi %r1,1
- lghi %r0,0
- diag %r0,%r1,0x308
-.Lrestart_part2:
- lhi %r0,0 # Load r0 with zero
- lhi %r1,2 # Use mode 2 = ESAME (dump)
- sigp %r1,%r0,SIGP_SET_ARCHITECTURE # Switch to ESAME mode
- sam64 # Switch to 64 bit addressing mode
- larl %r4,.Lctlregs # Restore control registers
- lctlg %c0,%c15,0(%r4)
- larl %r4,.Lfpctl # Restore floating point ctl register
- lfpc 0(%r4)
- larl %r4,.Lprefix # Restore prefix register
- spx 0(%r4)
- larl %r4,.Lcontinue_psw # Restore PSW flags
- lpswe 0(%r4)
-.Lcontinue:
- BR_EX %r14
-.align 16
-.Lrestart_psw:
- .long 0x00080000,0x80000000 + .Lrestart_part2
-
- .section .data..nosave,"aw",@progbits
-.align 8
-.Lcontinue_psw:
- .quad 0,.Lcontinue
- .previous
-
- .section .bss
-.align 8
-.Lctlreg0:
- .quad 0
-.Lctlregs:
- .rept 16
- .quad 0
- .endr
-.Lfpctl:
- .long 0
-.Lprefix:
- .long 0
-.Lprefix_zero:
- .long 0
- .previous