From 6d550ddd129b18cf800eab604f74536754526cd8 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Mon, 1 Sep 2014 20:44:20 +0200 Subject: sparc: remove sparc64/sparcv9 code The sparc64/sparcv9 code is incomplete. Furthermore there is no real embedded hardware for sparc64 available, so better remove it until someone comes up with a complete port. Signed-off-by: Waldemar Brodkorb Signed-off-by: Bernhard Reutner-Fischer --- libc/sysdeps/linux/sparc/sparcv9/clone.S | 101 ------------------------------- libc/sysdeps/linux/sparc/sparcv9/rem.S | 20 ------ libc/sysdeps/linux/sparc/sparcv9/sdiv.S | 18 ------ libc/sysdeps/linux/sparc/sparcv9/udiv.S | 15 ----- libc/sysdeps/linux/sparc/sparcv9/umul.S | 15 ----- libc/sysdeps/linux/sparc/sparcv9/urem.S | 17 ------ 6 files changed, 186 deletions(-) delete mode 100644 libc/sysdeps/linux/sparc/sparcv9/clone.S delete mode 100644 libc/sysdeps/linux/sparc/sparcv9/rem.S delete mode 100644 libc/sysdeps/linux/sparc/sparcv9/sdiv.S delete mode 100644 libc/sysdeps/linux/sparc/sparcv9/udiv.S delete mode 100644 libc/sysdeps/linux/sparc/sparcv9/umul.S delete mode 100644 libc/sysdeps/linux/sparc/sparcv9/urem.S (limited to 'libc/sysdeps/linux/sparc/sparcv9') diff --git a/libc/sysdeps/linux/sparc/sparcv9/clone.S b/libc/sysdeps/linux/sparc/sparcv9/clone.S deleted file mode 100644 index 2ee62a0f8..000000000 --- a/libc/sysdeps/linux/sparc/sparcv9/clone.S +++ /dev/null @@ -1,101 +0,0 @@ -/* Copyright (C) 1997, 2000, 2007 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson (rth@tamu.edu). - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - . */ - -/* clone() is even more special than fork() as it mucks with stacks - and invokes a function in the right context after its all over. */ - -#include -#include -#include -#include - -#define CLONE_VM 0x00000100 -#define CLONE_THREAD 0x00010000 - -/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg, - pid_t *ptid, void *tls, pid_t *ctid); */ - - .register %g2,#scratch - .register %g3,#scratch - - .text - -ENTRY (__clone) - save %sp, -192, %sp - cfi_def_cfa_register(%fp) - cfi_window_save - cfi_register(%o7, %i7) - - /* sanity check arguments */ - brz,pn %i0, 99f /* fn non-NULL? */ - mov %i0, %g2 - brz,pn %i1, 99f /* child_stack non-NULL? */ - mov %i2, %o0 /* clone flags */ - - /* The child_stack is the top of the stack, allocate one - whole stack frame from that as this is what the kernel - expects. Also, subtract STACK_BIAS. */ - sub %i1, 192 + 0x7ff, %o1 - mov %i3, %g3 - mov %i2, %g4 - - mov %i4,%o2 /* PTID */ - mov %i5,%o3 /* TLS */ - ldx [%fp+0x7ff+176],%o4 /* CTID */ - - /* Do the system call */ - set __NR_clone, %g1 - ta 0x6d - bcs,pn %xcc, 98f - nop - brnz,pn %o1, __thread_start - nop - jmpl %i7 + 8, %g0 - restore %o0, %g0, %o0 -99: mov EINVAL, %o0 -98: call HIDDEN_JUMPTARGET(__errno_location) - mov %o0, %i0 - st %i0, [%o0] - jmpl %i7 + 8, %g0 - restore %g0,-1,%o0 -END(__clone) - - .type __thread_start,@function -__thread_start: -#ifdef RESET_PID - sethi %hi(CLONE_THREAD), %l0 - andcc %g4, %l0, %g0 - bne,pt %icc, 1f - andcc %g4, CLONE_VM, %g0 - bne,a,pn %icc, 2f - mov -1,%o0 - set __NR_getpid,%g1 - ta 0x6d -2: st %o0,[%g7 + PID] - st %o0,[%g7 + TID] -1: -#endif - mov %g0, %fp /* terminate backtrace */ - call %g2 - mov %g3,%o0 - call HIDDEN_JUMPTARGET(_exit),0 - nop - - .size __thread_start, .-__thread_start - -weak_alias (__clone, clone) diff --git a/libc/sysdeps/linux/sparc/sparcv9/rem.S b/libc/sysdeps/linux/sparc/sparcv9/rem.S deleted file mode 100644 index 1474e32ae..000000000 --- a/libc/sysdeps/linux/sparc/sparcv9/rem.S +++ /dev/null @@ -1,20 +0,0 @@ -/* - * Sparc v9 has divide. - * As divx takes 68 cycles and sdivcc only 36, - * we use sdivcc eventhough it is deprecated. - */ - - .text - .align 32 -ENTRY(.rem) - - sra %o0, 31, %o2 - wr %o2, 0, %y - sdivcc %o0, %o1, %o2 - xnor %o2, %g0, %o3 - movvs %icc, %o3, %o2 - smul %o2, %o1, %o2 - retl - sub %o0, %o2, %o0 - -END(.rem) diff --git a/libc/sysdeps/linux/sparc/sparcv9/sdiv.S b/libc/sysdeps/linux/sparc/sparcv9/sdiv.S deleted file mode 100644 index 45535bb68..000000000 --- a/libc/sysdeps/linux/sparc/sparcv9/sdiv.S +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Sparc v9 has divide. - * As divx takes 68 cycles and sdivcc only 36, - * we use sdivcc eventhough it is deprecated. - */ - - .text - .align 32 -ENTRY(.div) - - sra %o0, 31, %o2 - wr %o2, 0, %y - sdivcc %o0, %o1, %o0 - xnor %o0, %g0, %o2 - retl - movvs %icc, %o2, %o0 - -END(.div) diff --git a/libc/sysdeps/linux/sparc/sparcv9/udiv.S b/libc/sysdeps/linux/sparc/sparcv9/udiv.S deleted file mode 100644 index 303f29bdf..000000000 --- a/libc/sysdeps/linux/sparc/sparcv9/udiv.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Sparc v9 has divide. - * As divx takes 68 cycles and udiv only 37, - * we use udiv eventhough it is deprecated. - */ - - .text - .align 32 -ENTRY(.udiv) - - wr %g0, 0, %y - retl - udiv %o0, %o1, %o0 - -END(.udiv) diff --git a/libc/sysdeps/linux/sparc/sparcv9/umul.S b/libc/sysdeps/linux/sparc/sparcv9/umul.S deleted file mode 100644 index e65e4b95f..000000000 --- a/libc/sysdeps/linux/sparc/sparcv9/umul.S +++ /dev/null @@ -1,15 +0,0 @@ -/* - * Sparc v9 has multiply. - */ - - .text - .align 32 -ENTRY(.umul) - - srl %o0, 0, %o0 - srl %o1, 0, %o1 - mulx %o0, %o1, %o0 - retl - srlx %o0, 32, %o1 - -END(.umul) diff --git a/libc/sysdeps/linux/sparc/sparcv9/urem.S b/libc/sysdeps/linux/sparc/sparcv9/urem.S deleted file mode 100644 index 93542698d..000000000 --- a/libc/sysdeps/linux/sparc/sparcv9/urem.S +++ /dev/null @@ -1,17 +0,0 @@ -/* - * Sparc v9 has divide. - * As divx takes 68 cycles and udiv only 37, - * we use udiv eventhough it is deprecated. - */ - - .text - .align 32 -ENTRY(.urem) - - wr %g0, 0, %y - udiv %o0, %o1, %o2 - umul %o2, %o1, %o2 - retl - sub %o0, %o2, %o0 - -END(.urem) -- cgit v1.2.3