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authorOlof Johansson <olof@lixom.net>2012-09-05 18:35:48 -0400
committerOlof Johansson <olof@lixom.net>2012-09-05 18:35:48 -0400
commit1875962377574b4edb7b164001e3e341c25290d5 (patch)
tree374a5299403ec21e2d9a66a6548ce876a388b589 /arch/alpha/kernel/entry.S
parent5cbee140a28c2746449ae31e85738043ae4da927 (diff)
parentc88a79a7789b2909ad1cf69ea2c9142030bbd6f4 (diff)
Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs' + sync to 3.6-rc3
Diffstat (limited to 'arch/alpha/kernel/entry.S')
-rw-r--r--arch/alpha/kernel/entry.S161
1 files changed, 0 insertions, 161 deletions
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index 6d159cee5f2f..ec0da0567ab5 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -663,58 +663,6 @@ kernel_thread:
663 br ret_to_kernel 663 br ret_to_kernel
664.end kernel_thread 664.end kernel_thread
665 665
666/*
667 * kernel_execve(path, argv, envp)
668 */
669 .align 4
670 .globl kernel_execve
671 .ent kernel_execve
672kernel_execve:
673 /* We can be called from a module. */
674 ldgp $gp, 0($27)
675 lda $sp, -(32+SIZEOF_PT_REGS+8)($sp)
676 .frame $sp, 32+SIZEOF_PT_REGS+8, $26, 0
677 stq $26, 0($sp)
678 stq $16, 8($sp)
679 stq $17, 16($sp)
680 stq $18, 24($sp)
681 .prologue 1
682
683 lda $16, 32($sp)
684 lda $17, 0
685 lda $18, SIZEOF_PT_REGS
686 bsr $26, memset !samegp
687
688 /* Avoid the HAE being gratuitously wrong, which would cause us
689 to do the whole turn off interrupts thing and restore it. */
690 ldq $2, alpha_mv+HAE_CACHE
691 stq $2, 152+32($sp)
692
693 ldq $16, 8($sp)
694 ldq $17, 16($sp)
695 ldq $18, 24($sp)
696 lda $19, 32($sp)
697 bsr $26, do_execve !samegp
698
699 ldq $26, 0($sp)
700 bne $0, 1f /* error! */
701
702 /* Move the temporary pt_regs struct from its current location
703 to the top of the kernel stack frame. See copy_thread for
704 details for a normal process. */
705 lda $16, 0x4000 - SIZEOF_PT_REGS($8)
706 lda $17, 32($sp)
707 lda $18, SIZEOF_PT_REGS
708 bsr $26, memmove !samegp
709
710 /* Take that over as our new stack frame and visit userland! */
711 lda $sp, 0x4000 - SIZEOF_PT_REGS($8)
712 br $31, ret_from_sys_call
713
7141: lda $sp, 32+SIZEOF_PT_REGS+8($sp)
715 ret
716.end kernel_execve
717
718 666
719/* 667/*
720 * Special system calls. Most of these are special in that they either 668 * Special system calls. Most of these are special in that they either
@@ -797,115 +745,6 @@ sys_rt_sigreturn:
797.end sys_rt_sigreturn 745.end sys_rt_sigreturn
798 746
799 .align 4 747 .align 4
800 .globl sys_sethae
801 .ent sys_sethae
802sys_sethae:
803 .prologue 0
804 stq $16, 152($sp)
805 ret
806.end sys_sethae
807
808 .align 4
809 .globl osf_getpriority
810 .ent osf_getpriority
811osf_getpriority:
812 lda $sp, -16($sp)
813 stq $26, 0($sp)
814 .prologue 0
815
816 jsr $26, sys_getpriority
817
818 ldq $26, 0($sp)
819 blt $0, 1f
820
821 /* Return value is the unbiased priority, i.e. 20 - prio.
822 This does result in negative return values, so signal
823 no error by writing into the R0 slot. */
824 lda $1, 20
825 stq $31, 16($sp)
826 subl $1, $0, $0
827 unop
828
8291: lda $sp, 16($sp)
830 ret
831.end osf_getpriority
832
833 .align 4
834 .globl sys_getxuid
835 .ent sys_getxuid
836sys_getxuid:
837 .prologue 0
838 ldq $2, TI_TASK($8)
839 ldq $3, TASK_CRED($2)
840 ldl $0, CRED_UID($3)
841 ldl $1, CRED_EUID($3)
842 stq $1, 80($sp)
843 ret
844.end sys_getxuid
845
846 .align 4
847 .globl sys_getxgid
848 .ent sys_getxgid
849sys_getxgid:
850 .prologue 0
851 ldq $2, TI_TASK($8)
852 ldq $3, TASK_CRED($2)
853 ldl $0, CRED_GID($3)
854 ldl $1, CRED_EGID($3)
855 stq $1, 80($sp)
856 ret
857.end sys_getxgid
858
859 .align 4
860 .globl sys_getxpid
861 .ent sys_getxpid
862sys_getxpid:
863 .prologue 0
864 ldq $2, TI_TASK($8)
865
866 /* See linux/kernel/timer.c sys_getppid for discussion
867 about this loop. */
868 ldq $3, TASK_GROUP_LEADER($2)
869 ldq $4, TASK_REAL_PARENT($3)
870 ldl $0, TASK_TGID($2)
8711: ldl $1, TASK_TGID($4)
872#ifdef CONFIG_SMP
873 mov $4, $5
874 mb
875 ldq $3, TASK_GROUP_LEADER($2)
876 ldq $4, TASK_REAL_PARENT($3)
877 cmpeq $4, $5, $5
878 beq $5, 1b
879#endif
880 stq $1, 80($sp)
881 ret
882.end sys_getxpid
883
884 .align 4
885 .globl sys_alpha_pipe
886 .ent sys_alpha_pipe
887sys_alpha_pipe:
888 lda $sp, -16($sp)
889 stq $26, 0($sp)
890 .prologue 0
891
892 mov $31, $17
893 lda $16, 8($sp)
894 jsr $26, do_pipe_flags
895
896 ldq $26, 0($sp)
897 bne $0, 1f
898
899 /* The return values are in $0 and $20. */
900 ldl $1, 12($sp)
901 ldl $0, 8($sp)
902
903 stq $1, 80+16($sp)
9041: lda $sp, 16($sp)
905 ret
906.end sys_alpha_pipe
907
908 .align 4
909 .globl sys_execve 748 .globl sys_execve
910 .ent sys_execve 749 .ent sys_execve
911sys_execve: 750sys_execve: