sparc,sparc64: unify kernel/

[sfrench/cifs-2.6.git] / arch / sparc64 / kernel / winfixup.S

diff --git a/arch/sparc64/kernel/winfixup.S b/arch/sparc64/kernel/winfixup.S
deleted file mode 100644 (file)
index a6b0863..0000000
--- a/arch/sparc64/kernel/winfixup.S
+++ /dev/null
@@ -1,156 +0,0 @@
-/* winfixup.S: Handle cases where user stack pointer is found to be bogus.
- *
- * Copyright (C) 1997, 2006 David S. Miller (davem@davemloft.net)
- */
-
-#include <asm/asi.h>
-#include <asm/head.h>
-#include <asm/page.h>
-#include <asm/ptrace.h>
-#include <asm/processor.h>
-#include <asm/spitfire.h>
-#include <asm/thread_info.h>
-
-       .text
-
-       /* It used to be the case that these register window fault
-        * handlers could run via the save and restore instructions
-        * done by the trap entry and exit code.  They now do the
-        * window spill/fill by hand, so that case no longer can occur.
-        */
-
-       .align  32
-fill_fixup:
-       TRAP_LOAD_THREAD_REG(%g6, %g1)
-       rdpr    %tstate, %g1
-       and     %g1, TSTATE_CWP, %g1
-       or      %g4, FAULT_CODE_WINFIXUP, %g4
-       stb     %g4, [%g6 + TI_FAULT_CODE]
-       stx     %g5, [%g6 + TI_FAULT_ADDR]
-       wrpr    %g1, %cwp
-       ba,pt   %xcc, etrap
-        rd     %pc, %g7
-       call    do_sparc64_fault
-        add    %sp, PTREGS_OFF, %o0
-       ba,pt   %xcc, rtrap
-        nop
-
-       /* Be very careful about usage of the trap globals here.
-        * You cannot touch %g5 as that has the fault information.
-        */
-spill_fixup:
-spill_fixup_mna:
-spill_fixup_dax:
-       TRAP_LOAD_THREAD_REG(%g6, %g1)
-       ldx     [%g6 + TI_FLAGS], %g1
-       andcc   %g1, _TIF_32BIT, %g0
-       ldub    [%g6 + TI_WSAVED], %g1
-       sll     %g1, 3, %g3
-       add     %g6, %g3, %g3
-       stx     %sp, [%g3 + TI_RWIN_SPTRS]
-       sll     %g1, 7, %g3
-       bne,pt  %xcc, 1f
-        add    %g6, %g3, %g3
-       stx     %l0, [%g3 + TI_REG_WINDOW + 0x00]
-       stx     %l1, [%g3 + TI_REG_WINDOW + 0x08]
-       stx     %l2, [%g3 + TI_REG_WINDOW + 0x10]
-       stx     %l3, [%g3 + TI_REG_WINDOW + 0x18]
-       stx     %l4, [%g3 + TI_REG_WINDOW + 0x20]
-       stx     %l5, [%g3 + TI_REG_WINDOW + 0x28]
-       stx     %l6, [%g3 + TI_REG_WINDOW + 0x30]
-       stx     %l7, [%g3 + TI_REG_WINDOW + 0x38]
-       stx     %i0, [%g3 + TI_REG_WINDOW + 0x40]
-       stx     %i1, [%g3 + TI_REG_WINDOW + 0x48]
-       stx     %i2, [%g3 + TI_REG_WINDOW + 0x50]
-       stx     %i3, [%g3 + TI_REG_WINDOW + 0x58]
-       stx     %i4, [%g3 + TI_REG_WINDOW + 0x60]
-       stx     %i5, [%g3 + TI_REG_WINDOW + 0x68]
-       stx     %i6, [%g3 + TI_REG_WINDOW + 0x70]
-       ba,pt   %xcc, 2f
-        stx    %i7, [%g3 + TI_REG_WINDOW + 0x78]
-1:     stw     %l0, [%g3 + TI_REG_WINDOW + 0x00]
-       stw     %l1, [%g3 + TI_REG_WINDOW + 0x04]
-       stw     %l2, [%g3 + TI_REG_WINDOW + 0x08]
-       stw     %l3, [%g3 + TI_REG_WINDOW + 0x0c]
-       stw     %l4, [%g3 + TI_REG_WINDOW + 0x10]
-       stw     %l5, [%g3 + TI_REG_WINDOW + 0x14]
-       stw     %l6, [%g3 + TI_REG_WINDOW + 0x18]
-       stw     %l7, [%g3 + TI_REG_WINDOW + 0x1c]
-       stw     %i0, [%g3 + TI_REG_WINDOW + 0x20]
-       stw     %i1, [%g3 + TI_REG_WINDOW + 0x24]
-       stw     %i2, [%g3 + TI_REG_WINDOW + 0x28]
-       stw     %i3, [%g3 + TI_REG_WINDOW + 0x2c]
-       stw     %i4, [%g3 + TI_REG_WINDOW + 0x30]
-       stw     %i5, [%g3 + TI_REG_WINDOW + 0x34]
-       stw     %i6, [%g3 + TI_REG_WINDOW + 0x38]
-       stw     %i7, [%g3 + TI_REG_WINDOW + 0x3c]
-2:     add     %g1, 1, %g1
-       stb     %g1, [%g6 + TI_WSAVED]
-       rdpr    %tstate, %g1
-       andcc   %g1, TSTATE_PRIV, %g0
-       saved
-       be,pn   %xcc, 1f
-        and    %g1, TSTATE_CWP, %g1
-       retry
-1:     mov     FAULT_CODE_WRITE | FAULT_CODE_DTLB | FAULT_CODE_WINFIXUP, %g4
-       stb     %g4, [%g6 + TI_FAULT_CODE]
-       stx     %g5, [%g6 + TI_FAULT_ADDR]
-       wrpr    %g1, %cwp
-       ba,pt   %xcc, etrap
-        rd     %pc, %g7
-       call    do_sparc64_fault
-        add    %sp, PTREGS_OFF, %o0
-       ba,a,pt %xcc, rtrap
-
-winfix_mna:
-       andn    %g3, 0x7f, %g3
-       add     %g3, 0x78, %g3
-       wrpr    %g3, %tnpc
-       done
-
-fill_fixup_mna:
-       rdpr    %tstate, %g1
-       and     %g1, TSTATE_CWP, %g1
-       wrpr    %g1, %cwp
-       ba,pt   %xcc, etrap
-        rd     %pc, %g7
-       sethi   %hi(tlb_type), %g1
-       lduw    [%g1 + %lo(tlb_type)], %g1
-       cmp     %g1, 3
-       bne,pt  %icc, 1f
-        add    %sp, PTREGS_OFF, %o0
-       mov     %l4, %o2
-       call    sun4v_do_mna
-        mov    %l5, %o1
-       ba,a,pt %xcc, rtrap
-1:     mov     %l4, %o1
-       mov     %l5, %o2
-       call    mem_address_unaligned
-        nop
-       ba,a,pt %xcc, rtrap
-
-winfix_dax:
-       andn    %g3, 0x7f, %g3
-       add     %g3, 0x74, %g3
-       wrpr    %g3, %tnpc
-       done
-
-fill_fixup_dax:
-       rdpr    %tstate, %g1
-       and     %g1, TSTATE_CWP, %g1
-       wrpr    %g1, %cwp
-       ba,pt   %xcc, etrap
-        rd     %pc, %g7
-       sethi   %hi(tlb_type), %g1
-       mov     %l4, %o1
-       lduw    [%g1 + %lo(tlb_type)], %g1
-       mov     %l5, %o2
-       cmp     %g1, 3
-       bne,pt  %icc, 1f
-        add    %sp, PTREGS_OFF, %o0
-       call    sun4v_data_access_exception
-        nop
-       ba,a,pt %xcc, rtrap
-1:     call    spitfire_data_access_exception
-        nop
-       ba,a,pt %xcc, rtrap