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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:23:31 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-30 17:23:31 -0800
commit6de71484cf9561edb45224f659a9db38b6056d5e (patch)
tree588fe6f7c98147b805085503c863d371e2fa497e /arch/sparc64/lib/VISsave.S
parent1dff81f20cd55ffa5a8ee984da70ce0b99d29606 (diff)
parente3c6d4ee545e427b55882d97d3b663c6411645fe (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6: (98 commits) sparc: move select of ARCH_SUPPORTS_MSI sparc: drop SUN_IO sparc: unify sections.h sparc: use .data.init_task section for init_thread_union sparc: fix array overrun check in of_device_64.c sparc: unify module.c sparc64: prepare module_64.c for unification sparc64: use bit neutral Elf symbols sparc: unify module.h sparc: introduce CONFIG_BITS sparc: fix hardirq.h removal fallout sparc64: do not export pus_fs_struct sparc: use sparc64 version of scatterlist.h sparc: Commonize memcmp assembler. sparc: Unify strlen assembler. sparc: Add asm/asm.h sparc: Kill memcmp_32.S code which has been ifdef'd out for centuries. sparc: replace for_each_cpu_mask_nr with for_each_cpu sparc: fix sparse warnings in irq_32.c sparc: add include guards to kernel.h ...
Diffstat (limited to 'arch/sparc64/lib/VISsave.S')
-rw-r--r--arch/sparc64/lib/VISsave.S144
1 files changed, 0 insertions, 144 deletions
diff --git a/arch/sparc64/lib/VISsave.S b/arch/sparc64/lib/VISsave.S
deleted file mode 100644
index b320ae9e2e2..00000000000
--- a/arch/sparc64/lib/VISsave.S
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * VISsave.S: Code for saving FPU register state for
- * VIS routines. One should not call this directly,
- * but use macros provided in <asm/visasm.h>.
- *
- * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
- */
-
-#include <asm/asi.h>
-#include <asm/page.h>
-#include <asm/ptrace.h>
-#include <asm/visasm.h>
-#include <asm/thread_info.h>
-
- .text
- .globl VISenter, VISenterhalf
-
- /* On entry: %o5=current FPRS value, %g7 is callers address */
- /* May clobber %o5, %g1, %g2, %g3, %g7, %icc, %xcc */
-
- /* Nothing special need be done here to handle pre-emption, this
- * FPU save/restore mechanism is already preemption safe.
- */
-
- .align 32
-VISenter:
- ldub [%g6 + TI_FPDEPTH], %g1
- brnz,a,pn %g1, 1f
- cmp %g1, 1
- stb %g0, [%g6 + TI_FPSAVED]
- stx %fsr, [%g6 + TI_XFSR]
-9: jmpl %g7 + %g0, %g0
- nop
-1: bne,pn %icc, 2f
-
- srl %g1, 1, %g1
-vis1: ldub [%g6 + TI_FPSAVED], %g3
- stx %fsr, [%g6 + TI_XFSR]
- or %g3, %o5, %g3
- stb %g3, [%g6 + TI_FPSAVED]
- rd %gsr, %g3
- clr %g1
- ba,pt %xcc, 3f
-
- stx %g3, [%g6 + TI_GSR]
-2: add %g6, %g1, %g3
- cmp %o5, FPRS_DU
- be,pn %icc, 6f
- sll %g1, 3, %g1
- stb %o5, [%g3 + TI_FPSAVED]
- rd %gsr, %g2
- add %g6, %g1, %g3
- stx %g2, [%g3 + TI_GSR]
-
- add %g6, %g1, %g2
- stx %fsr, [%g2 + TI_XFSR]
- sll %g1, 5, %g1
-3: andcc %o5, FPRS_DL|FPRS_DU, %g0
- be,pn %icc, 9b
- add %g6, TI_FPREGS, %g2
- andcc %o5, FPRS_DL, %g0
-
- be,pn %icc, 4f
- add %g6, TI_FPREGS+0x40, %g3
- membar #Sync
- stda %f0, [%g2 + %g1] ASI_BLK_P
- stda %f16, [%g3 + %g1] ASI_BLK_P
- membar #Sync
- andcc %o5, FPRS_DU, %g0
- be,pn %icc, 5f
-4: add %g1, 128, %g1
- membar #Sync
- stda %f32, [%g2 + %g1] ASI_BLK_P
-
- stda %f48, [%g3 + %g1] ASI_BLK_P
-5: membar #Sync
- ba,pt %xcc, 80f
- nop
-
- .align 32
-80: jmpl %g7 + %g0, %g0
- nop
-
-6: ldub [%g3 + TI_FPSAVED], %o5
- or %o5, FPRS_DU, %o5
- add %g6, TI_FPREGS+0x80, %g2
- stb %o5, [%g3 + TI_FPSAVED]
-
- sll %g1, 5, %g1
- add %g6, TI_FPREGS+0xc0, %g3
- wr %g0, FPRS_FEF, %fprs
- membar #Sync
- stda %f32, [%g2 + %g1] ASI_BLK_P
- stda %f48, [%g3 + %g1] ASI_BLK_P
- membar #Sync
- ba,pt %xcc, 80f
- nop
-
- .align 32
-80: jmpl %g7 + %g0, %g0
- nop
-
- .align 32
-VISenterhalf:
- ldub [%g6 + TI_FPDEPTH], %g1
- brnz,a,pn %g1, 1f
- cmp %g1, 1
- stb %g0, [%g6 + TI_FPSAVED]
- stx %fsr, [%g6 + TI_XFSR]
- clr %o5
- jmpl %g7 + %g0, %g0
- wr %g0, FPRS_FEF, %fprs
-
-1: bne,pn %icc, 2f
- srl %g1, 1, %g1
- ba,pt %xcc, vis1
- sub %g7, 8, %g7
-2: addcc %g6, %g1, %g3
- sll %g1, 3, %g1
- andn %o5, FPRS_DU, %g2
- stb %g2, [%g3 + TI_FPSAVED]
-
- rd %gsr, %g2
- add %g6, %g1, %g3
- stx %g2, [%g3 + TI_GSR]
- add %g6, %g1, %g2
- stx %fsr, [%g2 + TI_XFSR]
- sll %g1, 5, %g1
-3: andcc %o5, FPRS_DL, %g0
- be,pn %icc, 4f
- add %g6, TI_FPREGS, %g2
-
- add %g6, TI_FPREGS+0x40, %g3
- membar #Sync
- stda %f0, [%g2 + %g1] ASI_BLK_P
- stda %f16, [%g3 + %g1] ASI_BLK_P
- membar #Sync
- ba,pt %xcc, 4f
- nop
-
- .align 32
-4: and %o5, FPRS_DU, %o5
- jmpl %g7 + %g0, %g0
- wr %o5, FPRS_FEF, %fprs