diff options
Diffstat (limited to 'arch/s390/kernel/head64.S')
| -rw-r--r-- | arch/s390/kernel/head64.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 6a250808092b..d984a2a380c3 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S | |||
| @@ -83,6 +83,8 @@ startup_continue: | |||
| 83 | slr %r0,%r0 # set cpuid to zero | 83 | slr %r0,%r0 # set cpuid to zero |
| 84 | sigp %r1,%r0,0x12 # switch to esame mode | 84 | sigp %r1,%r0,0x12 # switch to esame mode |
| 85 | sam64 # switch to 64 bit mode | 85 | sam64 # switch to 64 bit mode |
| 86 | llgfr %r13,%r13 # clear high-order half of base reg | ||
| 87 | lmh %r0,%r15,.Lzero64-.LPG1(%r13) # clear high-order half | ||
| 86 | lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers | 88 | lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers |
| 87 | lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area | 89 | lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area |
| 88 | # move IPL device to lowcore | 90 | # move IPL device to lowcore |
| @@ -127,6 +129,7 @@ startup_continue: | |||
| 127 | .L4malign:.quad 0xffffffffffc00000 | 129 | .L4malign:.quad 0xffffffffffc00000 |
| 128 | .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 | 130 | .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 |
| 129 | .Lnop: .long 0x07000700 | 131 | .Lnop: .long 0x07000700 |
| 132 | .Lzero64:.fill 16,4,0x0 | ||
| 130 | #ifdef CONFIG_ZFCPDUMP | 133 | #ifdef CONFIG_ZFCPDUMP |
| 131 | .Lcurrent_cpu: | 134 | .Lcurrent_cpu: |
| 132 | .long 0x0 | 135 | .long 0x0 |