diff options
Diffstat (limited to 'arch/s390/boot/head.S')
| -rw-r--r-- | arch/s390/boot/head.S | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index 2ced90172680..8402e1cd133b 100644 --- a/arch/s390/boot/head.S +++ b/arch/s390/boot/head.S @@ -42,7 +42,8 @@ ipl_start: # subroutine to wait for end I/O # .Lirqwait: - mvc __LC_IO_NEW_PSW(16),.Lnewpsw # set up IO interrupt psw + larl %r13,.Lnewpsw # set up IO interrupt psw + mvc __LC_IO_NEW_PSW(16),0(%r13) lpsw .Lwaitpsw .Lioint: br %r14 @@ -155,9 +156,11 @@ ipl_start: lr %r2,%r3 .Lnotrunc: l %r4,.Linitrd - clc 0(3,%r4),.L_hdr # if it is HDRx + larl %r13,.L_hdr + clc 0(3,%r4),0(%r13) # if it is HDRx bz .Lagain1 # skip dataset header - clc 0(3,%r4),.L_eof # if it is EOFx + larl %r13,.L_eof + clc 0(3,%r4),0(%r13) # if it is EOFx bz .Lagain1 # skip dateset trailer lr %r5,%r2 @@ -181,9 +184,11 @@ ipl_start: .Lrdcont: l %r2,.Linitrd - clc 0(3,%r2),.L_hdr # skip HDRx and EOFx + larl %r13,.L_hdr # skip HDRx and EOFx + clc 0(3,%r2),0(%r13) bz .Lagain2 - clc 0(3,%r2),.L_eof + larl %r13,.L_eof + clc 0(3,%r2),0(%r13) bz .Lagain2 # @@ -260,20 +265,23 @@ SYM_CODE_START_LOCAL(startup_normal) .fill 16,4,0x0 0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs sam64 # switch to 64 bit addressing mode - basr %r13,0 # get base -.LPG0: - mvc __LC_EXT_NEW_PSW(16),.Lext_new_psw-.LPG0(%r13) - mvc __LC_PGM_NEW_PSW(16),.Lpgm_new_psw-.LPG0(%r13) - mvc __LC_IO_NEW_PSW(16),.Lio_new_psw-.LPG0(%r13) + larl %r13,.Lext_new_psw + mvc __LC_EXT_NEW_PSW(16),0(%r13) + larl %r13,.Lpgm_new_psw + mvc __LC_PGM_NEW_PSW(16),0(%r13) + larl %r13,.Lio_new_psw + mvc __LC_IO_NEW_PSW(16),0(%r13) xc 0x200(256),0x200 # partially clear lowcore xc 0x300(256),0x300 xc 0xe00(256),0xe00 xc 0xf00(256),0xf00 - lctlg %c0,%c15,.Lctl-.LPG0(%r13) # load control registers + larl %r13,.Lctl + lctlg %c0,%c15,0(%r13) # load control registers stcke __LC_BOOT_CLOCK mvc __LC_LAST_UPDATE_CLOCK(8),__LC_BOOT_CLOCK+1 - spt 6f-.LPG0(%r13) - mvc __LC_LAST_UPDATE_TIMER(8),6f-.LPG0(%r13) + larl %r13,6f + spt 0(%r13) + mvc __LC_LAST_UPDATE_TIMER(8),0(%r13) larl %r15,_stack_end-STACK_FRAME_OVERHEAD brasl %r14,sclp_early_setup_buffer brasl %r14,verify_facilities |