diff options
Diffstat (limited to 'arch/s390/boot/head.S')
| -rw-r--r-- | arch/s390/boot/head.S | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index 1a2c2b1ed964..dacb7813f982 100644 --- a/arch/s390/boot/head.S +++ b/arch/s390/boot/head.S @@ -28,6 +28,7 @@ #include <asm/thread_info.h> #include <asm/page.h> #include <asm/ptrace.h> +#include "boot.h" #define ARCH_OFFSET 4 @@ -62,8 +63,12 @@ __HEAD .org __LC_RST_NEW_PSW # 0x1a0 .quad 0,iplstart + .org __LC_EXT_NEW_PSW # 0x1b0 + .quad 0x0002000180000000,0x1b0 # disabled wait .org __LC_PGM_NEW_PSW # 0x1d0 .quad 0x0000000180000000,startup_pgm_check_handler + .org __LC_IO_NEW_PSW # 0x1f0 + .quad 0x0002000180000000,0x1f0 # disabled wait .org 0x200 @@ -275,8 +280,8 @@ iplstart: # or linload or SALIPL # .org 0x10000 -ENTRY(startup) - j .Lep_startup_normal +SYM_CODE_START(startup) + j startup_normal .org EP_OFFSET # # This is a list of s390 kernel entry points. At address 0x1000f the number of @@ -290,9 +295,9 @@ ENTRY(startup) # kdump startup-code at 0x10010, running in 64 bit absolute addressing mode # .org 0x10010 -ENTRY(startup_kdump) - j .Lep_startup_kdump -.Lep_startup_normal: + j startup_kdump +SYM_CODE_END(startup) +SYM_CODE_START_LOCAL(startup_normal) mvi __LC_AR_MODE_ID,1 # set esame flag slr %r0,%r0 # set cpuid to zero lhi %r1,2 # mode 2 = esame (dump) @@ -303,6 +308,9 @@ ENTRY(startup_kdump) 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) xc 0x200(256),0x200 # partially clear lowcore xc 0x300(256),0x300 xc 0xe00(256),0xe00 @@ -315,12 +323,18 @@ ENTRY(startup_kdump) l %r15,.Lstack-.LPG0(%r13) brasl %r14,verify_facilities brasl %r14,startup_kernel +SYM_CODE_END(startup_normal) .Lstack: - .long 0x8000 + (1<<(PAGE_SHIFT+BOOT_STACK_ORDER)) - STACK_FRAME_OVERHEAD + .long BOOT_STACK_OFFSET + BOOT_STACK_SIZE - STACK_FRAME_OVERHEAD .align 8 6: .long 0x7fffffff,0xffffffff - +.Lext_new_psw: + .quad 0x0002000180000000,0x1b0 # disabled wait +.Lpgm_new_psw: + .quad 0x0000000180000000,startup_pgm_check_handler +.Lio_new_psw: + .quad 0x0002000180000000,0x1f0 # disabled wait .Lctl: .quad 0x04040000 # cr0: AFP registers & secondary space .quad 0 # cr1: primary space segment table .quad .Lduct # cr2: dispatchable unit control table @@ -359,7 +373,7 @@ ENTRY(startup_kdump) # It simply saves general/control registers and psw in # the save area and does disabled wait with a faulty address. # -ENTRY(startup_pgm_check_handler) +SYM_CODE_START_LOCAL(startup_pgm_check_handler) stmg %r8,%r15,__LC_SAVE_AREA_SYNC la %r8,4095 stctg %c0,%c15,__LC_CREGS_SAVE_AREA-4095(%r8) @@ -378,9 +392,9 @@ ENTRY(startup_pgm_check_handler) la %r8,4095 lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r8) lpswe __LC_RETURN_PSW # disabled wait +SYM_CODE_END(startup_pgm_check_handler) .Ldump_info_stack: .long 0x5000 + PAGE_SIZE - STACK_FRAME_OVERHEAD -ENDPROC(startup_pgm_check_handler) # # params at 10400 (setup.h) |