diff options
| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-08-09 16:51:35 +0100 |
| commit | c973b112c76c9d8fd042991128f218a738cc8d0a (patch) | |
| tree | e813b0da5d0a0e19e06de6462d145a29ad683026 /arch/s390/kernel/head64.S | |
| parent | c5fbc3966f48279dbebfde10248c977014aa9988 (diff) | |
| parent | 00dd1e433967872f3997a45d5adf35056fdf2f56 (diff) | |
Merge with /shiny/git/linux-2.6/.git
Diffstat (limited to 'arch/s390/kernel/head64.S')
| -rw-r--r-- | arch/s390/kernel/head64.S | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index f525c0c21250..9a8263a153cb 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -345,6 +345,13 @@ iplstart: la %r2,.Lreset lhi %r3,26 diag %r2,%r3,8 + la %r5,.Lirb + stsch 0(%r5) # check if irq is pending + tm 30(%r5),0x0f # by verifying if any of the + bnz .Lwaitforirq # activity or status control + tm 31(%r5),0xff # bits is set in the schib + bz .Lnoreset +.Lwaitforirq: mvc 0x78(8),.Lrdrnewpsw # set up IO interrupt psw .Lwaitrdrirq: lpsw .Lrdrwaitpsw @@ -658,10 +665,8 @@ startup:basr %r13,0 # get base # la %r1,0f-.LPG1(%r13) # set program check address stg %r1,__LC_PGM_NEW_PSW+8 - mvc __LC_DIAG44_OPCODE(8),.Lnop-.LPG1(%r13) diag 0,0,0x44 # test diag 0x44 oi 7(%r12),32 # set diag44 flag - mvc __LC_DIAG44_OPCODE(8),.Ldiag44-.LPG1(%r13) 0: # @@ -702,7 +707,6 @@ startup:basr %r13,0 # get base .L4malign:.quad 0xffffffffffc00000 .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 .Lnop: .long 0x07000700 -.Ldiag44:.long 0x83000044 .org PARMAREA-64 .Lduct: .long 0,0,0,0,0,0,0,0 @@ -765,7 +769,7 @@ _stext: basr %r13,0 # get base # check control registers stctg %c0,%c15,0(%r15) - oi 6(%r15),0x20 # enable sigp external interrupts + oi 6(%r15),0x40 # enable sigp emergency signal oi 4(%r15),0x10 # switch on low address proctection lctlg %c0,%c15,0(%r15) |