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mips: remove libc

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Remove mips specific libc code and build infrasturcture.

Sponsored by:		Netflix
This commit is contained in:
Warner Losh 2021-12-30 22:50:28 -07:00
parent b94b8bf702
commit 8ff32ab58e
49 changed files with 1 additions and 3444 deletions
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5
lib/libc/Makefile
View file

@ -111,9 +111,7 @@ NOASM=
.if ${LIBC_ARCH} != "aarch64" && \
${LIBC_ARCH} != "amd64" && \
${LIBC_ARCH} != "powerpc64" && \
${LIBC_ARCH} != "riscv" && \
${MACHINE_ARCH:Mmipsn32*} == "" && \
${MACHINE_ARCH:Mmips64*} == ""
${LIBC_ARCH} != "riscv"
.include "${LIBC_SRCTOP}/quad/Makefile.inc"
.endif
.include "${LIBC_SRCTOP}/regex/Makefile.inc"
@ -130,7 +128,6 @@ NOASM=
.include "${LIBC_SRCTOP}/xdr/Makefile.inc"
.if (${LIBC_ARCH} == "arm" && \
(${MACHINE_ARCH:Marmv[67]*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \
(${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") || \
(${LIBC_ARCH} == "riscv" && ${MACHINE_ARCH:Mriscv*sf} != "")
.include "${LIBC_SRCTOP}/softfloat/Makefile.inc"
.endif

5
lib/libc/mips/Makefile.inc
View file

@ -1,5 +0,0 @@
# $NetBSD: Makefile.inc,v 1.7 2005/09/17 11:49:39 tsutsui Exp $
# $FreeBSD$
SRCS+= machdep_ldisd.c
SYM_MAPS+= ${LIBC_SRCTOP}/mips/Symbol.map

153
lib/libc/mips/SYS.h
View file

@ -1,153 +0,0 @@
/* $NetBSD: SYS.h,v 1.19 2009/12/14 01:07:41 matt Exp $ */
/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: (BSD-4-Clause AND BSD-3-Clause)
*
* Copyright (c) 1996 Jonathan Stone
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jonathan Stone for
* the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)SYS.h 8.1 (Berkeley) 6/4/93
*/
#include <sys/syscall.h>
#include <machine/asm.h>
/*
* If compiling for shared libs, Emit sysV ABI PIC segment pseudo-ops.
*
* i) Emit .abicalls before .LEAF entrypoint, and .cpload/.cprestore after.
* ii) Do interprocedure jumps indirectly via t9, with the side-effect of
* preserving the callee's entry address in t9.
*/
#ifdef __ABICALLS__
.abicalls
# if defined(__mips_o32) || defined(__mips_o64)
# define PIC_PROLOGUE(x) SETUP_GP
# define PIC_TAILCALL(l) PTR_LA t9, _C_LABEL(l); jr t9
# define PIC_RETURN() j ra
# else
# define PIC_PROLOGUE(x) SETUP_GP64(t3, x)
# define PIC_TAILCALL(l) PTR_LA t9, _C_LABEL(l); RESTORE_GP64; jr t9
# define PIC_RETURN() RESTORE_GP64; j ra
# endif
#else
# define PIC_PROLOGUE(x)
# define PIC_TAILCALL(l) j _C_LABEL(l)
# define PIC_RETURN() j ra
#endif /* __ABICALLS__ */
# define SYSTRAP(x) li v0,SYS_ ## x; syscall;
/*
* Do a syscall that cannot fail (sync, get{p,u,g,eu,eg)id)
*/
#define RSYSCALL_NOERROR(x) \
LEAF(__sys_ ## x); \
.weak _C_LABEL(x); \
_C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \
.weak _C_LABEL(__CONCAT(_,x)); \
_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
SYSTRAP(x); \
j ra; \
END(__sys_ ## x)
/*
* Do a normal syscall.
*/
#define RSYSCALL(x) \
LEAF(__sys_ ## x); \
.weak _C_LABEL(x); \
_C_LABEL(x) = _C_LABEL(__CONCAT(__sys_,x)); \
.weak _C_LABEL(__CONCAT(_,x)); \
_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
PIC_PROLOGUE(__sys_ ## x); \
SYSTRAP(x); \
bne a3,zero,err; \
PIC_RETURN(); \
err: \
PIC_TAILCALL(__cerror); \
END(__sys_ ## x)
/*
* Do a renamed or pseudo syscall (e.g., _exit()), where the entrypoint
* and syscall name are not the same.
*/
#define PSEUDO_NOERROR(x) \
LEAF(__sys_ ## x); \
.weak _C_LABEL(__CONCAT(_,x)); \
_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
SYSTRAP(x); \
j ra; \
END(__sys_ ## x)
#define PSEUDO(x) \
LEAF(__sys_ ## x); \
.weak _C_LABEL(__CONCAT(_,x)); \
_C_LABEL(__CONCAT(_,x)) = _C_LABEL(__CONCAT(__sys_,x)); \
PIC_PROLOGUE(__sys_ ## x); \
SYSTRAP(x); \
bne a3,zero,err; \
PIC_RETURN(); \
err: \
PIC_TAILCALL(__cerror); \
END(__sys_ ## x)

52
lib/libc/mips/Symbol.map
View file

@ -1,52 +0,0 @@
/*
* $FreeBSD$
*/
/*
* This only needs to contain symbols that are not listed in
* symbol maps from other parts of libc (i.e., not found in
* stdlib/Symbol.map, string/Symbol.map, sys/Symbol.map, ...).
*/
FBSD_1.0 {
/* PSEUDO syscalls */
_exit;
_mcount;
_setjmp;
_longjmp;
alloca;
fabs;
__infinity;
__nan;
makecontext;
setjmp;
longjmp;
sigsetjmp;
siglongjmp;
htonl;
htons;
ntohl;
ntohs;
vfork;
brk;
sbrk;
};
FBSD_1.3 {
__flt_rounds;
};
FBSDprivate_1.0 {
/* PSEUDO syscalls */
_getlogin;
___longjmp;
__makecontext;
__longjmp;
signalcontext;
_signalcontext;
__siglongjmp;
_vfork;
_brk;
_sbrk;
};

58
lib/libc/mips/_fpmath.h
View file

@ -1,58 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
union IEEEl2bits {
long double e;
struct {
#ifndef __MIPSEB__
unsigned int manl :32;
unsigned int manh :20;
unsigned int exp :11;
unsigned int sign :1;
#else
unsigned int sign :1;
unsigned int exp :11;
unsigned int manh :20;
unsigned int manl :32;
#endif
} bits;
};
#define LDBL_NBIT 0
#define mask_nbit_l(u) ((void)0)
#define LDBL_IMPLICIT_NBIT
#define LDBL_MANH_SIZE 20
#define LDBL_MANL_SIZE 32
#define LDBL_TO_ARRAY32(u, a) do { \
(a)[0] = (uint32_t)(u).bits.manl; \
(a)[1] = (uint32_t)(u).bits.manh; \
} while(0)

26
lib/libc/mips/arith.h
View file

@ -1,26 +0,0 @@
/*
* MD header for contrib/gdtoa
*
* $FreeBSD$
*/
/*
* NOTE: The definitions in this file must be correct or strtod(3) and
* floating point formats in printf(3) will break! The file can be
* generated by running contrib/gdtoa/arithchk.c on the target
* architecture. See contrib/gdtoa/gdtoaimp.h for details.
*/
#include <machine/endian.h>
#if BYTE_ORDER == BIG_ENDIAN
#define IEEE_MC68k
#define Arith_Kind_ASL 2
#define Double_Align
#else
/* TODO: Generate these values on a LE machine */
#define IEEE_8087
#define Arith_Kind_ASL 1
#define Long int
#define Intcast (int)(long)
#define Double_Align
#endif

48
lib/libc/mips/gd_qnan.h
View file

@ -1,48 +0,0 @@
/*
* MD header for contrib/gdtoa
*
* This file can be generated by compiling and running contrib/gdtoa/qnan.c
* on the target architecture after arith.h has been generated.
*
* $FreeBSD$
*/
#include <machine/endian.h>
#if BYTE_ORDER == BIG_ENDIAN
/* These values were gained on a running
* Octeon in Big Endian order. They were gotten
* by running ./qnan after arithchk was ran and
* got us the proper values for arith.h.
*/
#define f_QNAN 0x7f900000
#define d_QNAN0 0x7ff80000
#define d_QNAN1 0x0
#define ld_QNAN0 0x7ff80000
#define ld_QNAN1 0x0
#define ld_QNAN2 0x0
#define ld_QNAN3 0x0
#define ldus_QNAN0 0x7ff8
#define ldus_QNAN1 0x0
#define ldus_QNAN2 0x0
#define ldus_QNAN3 0x0
#define ldus_QNAN4 0x0
#else
/* FIX FIX, need to run this on a Little Endian
* machine and get the proper values, these here
* were stolen fromn i386/gd_qnan.h
*/
#define f_QNAN 0x7fc00000
#define d_QNAN0 0x0
#define d_QNAN1 0x7ff80000
#define ld_QNAN0 0x0
#define ld_QNAN1 0xc0000000
#define ld_QNAN2 0x7fff
#define ld_QNAN3 0x0
#define ldus_QNAN0 0x0
#define ldus_QNAN1 0x0
#define ldus_QNAN2 0x0
#define ldus_QNAN3 0xc000
#define ldus_QNAN4 0x7fff
#endif

11
lib/libc/mips/gen/Makefile.inc
View file

@ -1,11 +0,0 @@
# $NetBSD: Makefile.inc,v 1.27 2005/10/07 17:16:40 tsutsui Exp $
# $FreeBSD$
SRCS+= infinity.c fabs.c ldexp.c flt_rounds.c
# SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \
# fpsetround.c fpsetsticky.c
SRCS+= _ctx_start.S _setjmp.S makecontext.c \
setjmp.S signalcontext.c sigsetjmp.S \
trivial-getcontextx.c

55
lib/libc/mips/gen/_ctx_start.S
View file

@ -1,55 +0,0 @@
/*-
* Copyright (c) 2010 Juli Mallett.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
/*
* This requires makecontext() to setup a valid GP for locating
* _ctx_done rather than deriving GP from T9 on entry. Currently this
* uses the GP inherited from getcontext() assuming that getcontext()
* is in the same shared object as _ctx_done(). For N32 and N64, GP
* is caller-save so will be preserved across the call to the callback
* function. For O32, GP is callee-save, so save it in a different
* caller-save register (S1) while invoking the callback. This is
* done instead of the usual SETUP_GP/SAVE_GP to avoid disturbing the
* stack frame setup by makecontext() for the callback function.
*/
ENTRY(_ctx_start)
#ifdef __mips_o32
move s1, gp
#endif
jalr t9
#ifdef __mips_o32
move gp, s1
#endif
move a0, s0
PTR_LA t9, _ctx_done
jalr t9
break 0
END(_ctx_start)

200
lib/libc/mips/gen/_setjmp.S
View file

@ -1,200 +0,0 @@
/* $NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#include "SYS.h"
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
RCSID("from: @(#)_setjmp.s 8.1 (Berkeley) 6/4/93")
#else
RCSID("$NetBSD: _setjmp.S,v 1.20.34.5 2010/02/03 23:46:47 matt Exp $")
#endif
#endif /* LIBC_SCCS and not lint */
/*
* C library -- _setjmp, _longjmp
*
* _longjmp(a,v)
* will generate a "return(v)" from
* the last call to
* _setjmp(a)
* by restoring registers from the stack,
* The previous signal state is NOT restored.
*/
.set noreorder
LEAF(_setjmp)
REG_PROLOGUE
REG_LI v0, _JB_MAGIC__SETJMP # sigcontext magic number
REG_S v0, (_JB_MAGIC * SZREG)(a0)
REG_S ra, (_JB_REG_RA * SZREG)(a0)
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* Registers s0..s7 are callee-saved.
* The sp register is callee-saved.
* The fp (or s8) register is callee-saved.
* The gp register is callee-saved (for n32/n64).
*/
REG_S s0, (_JB_REG_S0 * SZREG)(a0)
REG_S s1, (_JB_REG_S1 * SZREG)(a0)
REG_S s2, (_JB_REG_S2 * SZREG)(a0)
REG_S s3, (_JB_REG_S3 * SZREG)(a0)
REG_S s4, (_JB_REG_S4 * SZREG)(a0)
REG_S s5, (_JB_REG_S5 * SZREG)(a0)
REG_S s6, (_JB_REG_S6 * SZREG)(a0)
REG_S s7, (_JB_REG_S7 * SZREG)(a0)
REG_S sp, (_JB_REG_SP * SZREG)(a0)
REG_S s8, (_JB_REG_S8 * SZREG)(a0)
#if defined(__mips_n32) || defined(__mips_n64)
REG_S gp, (_JB_REG_GP * SZREG)(a0) # newabi gp is callee-saved
#endif
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved.
* In N64, FP registers F24 .. F31 are callee-saved.
* In O32, FP registers F20 .. F23 are callee-saved.
*/
#ifndef __mips_soft_float
cfc1 v0, $31 # too bad can't check if FP used
#if defined(__mips_n64) || defined(__mips_n32)
FP_S $f30, (_JB_FPREG_F30 * SZREG)(a0)
FP_S $f28, (_JB_FPREG_F28 * SZREG)(a0)
FP_S $f26, (_JB_FPREG_F26 * SZREG)(a0)
FP_S $f24, (_JB_FPREG_F24 * SZREG)(a0)
#endif
#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64)
FP_S $f22, (_JB_FPREG_F22 * SZREG)(a0)
FP_S $f20, (_JB_FPREG_F20 * SZREG)(a0)
#endif
#if defined(__mips_o32) || defined(__mips_o64)
FP_S $f21, (_JB_FPREG_F21 * SZREG)(a0)
FP_S $f23, (_JB_FPREG_F23 * SZREG)(a0)
#endif
#if defined(__mips_n64)
FP_S $f25, (_JB_FPREG_F25 * SZREG)(a0)
FP_S $f27, (_JB_FPREG_F27 * SZREG)(a0)
FP_S $f29, (_JB_FPREG_F29 * SZREG)(a0)
FP_S $f31, (_JB_FPREG_F31 * SZREG)(a0)
#endif
INT_S v0, (_JB_FPREG_FCSR * SZREG)(a0)
#endif /* ! __mips_soft_float */
REG_EPILOGUE
j ra
move v0, zero
END(_setjmp)
LEAF(_longjmp)
PIC_PROLOGUE(_longjmp)
PTR_SUBU sp, sp, CALLFRAME_SIZ
SAVE_GP(CALLFRAME_GP)
REG_PROLOGUE
REG_L v0, (_JB_MAGIC * SZREG)(a0) # get magic number
REG_L ra, (_JB_REG_RA * SZREG)(a0)
REG_LI t0, _JB_MAGIC__SETJMP
bne v0, t0, botch # jump if error
PTR_ADDU sp, sp, CALLFRAME_SIZ # does not matter, sanity
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* Registers s0..s7 are callee-saved.
* The sp register is callee-saved.
* The fp (or s8) register is callee-saved.
* The gp register is callee-saved (for n32/n64).
*/
REG_L s0, (_JB_REG_S0 * SZREG)(a0)
REG_L s1, (_JB_REG_S1 * SZREG)(a0)
REG_L s2, (_JB_REG_S2 * SZREG)(a0)
REG_L s3, (_JB_REG_S3 * SZREG)(a0)
REG_L s4, (_JB_REG_S4 * SZREG)(a0)
REG_L s5, (_JB_REG_S5 * SZREG)(a0)
REG_L s6, (_JB_REG_S6 * SZREG)(a0)
REG_L s7, (_JB_REG_S7 * SZREG)(a0)
REG_L sp, (_JB_REG_SP * SZREG)(a0)
REG_L s8, (_JB_REG_S8 * SZREG)(a0)
#if defined(__mips_n32) || defined(__mips_n64)
REG_L gp, (_JB_REG_GP * SZREG)(a0)
#endif
#ifndef __mips_soft_float
# get fpu status
INT_L v0, (_JB_FPREG_FCSR * SZREG)(a0)
ctc1 v0, $31
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved.
* In N64, FP registers F24 .. F31 are callee-saved.
* In O32, FP registers F20 .. F23 are callee-saved.
*/
#if defined(__mips_n64) || defined(__mips_n32)
FP_L $f30, (_JB_FPREG_F30 * SZREG)(a0)
FP_L $f28, (_JB_FPREG_F28 * SZREG)(a0)
FP_L $f26, (_JB_FPREG_F26 * SZREG)(a0)
FP_L $f24, (_JB_FPREG_F24 * SZREG)(a0)
#endif
#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64)
FP_L $f22, (_JB_FPREG_F22 * SZREG)(a0)
FP_L $f20, (_JB_FPREG_F20 * SZREG)(a0)
#endif
#if defined(__mips_o32) || defined(__mips_o64)
FP_L $f21, (_JB_FPREG_F21 * SZREG)(a0)
FP_L $f23, (_JB_FPREG_F23 * SZREG)(a0)
#endif
#if defined(__mips_n64)
FP_L $f25, (_JB_FPREG_F25 * SZREG)(a0)
FP_L $f27, (_JB_FPREG_F27 * SZREG)(a0)
FP_L $f29, (_JB_FPREG_F29 * SZREG)(a0)
FP_L $f31, (_JB_FPREG_F31 * SZREG)(a0)
#endif
#endif /* ! __mips_soft_float */
REG_EPILOGUE
move v0, a1 # get return value in 1st arg
j ra
nop
botch:
/*
* We know we aren't returning so we don't care about restoring
* our caller's GP.
*/
PTR_LA t9, _C_LABEL(longjmperror)
jalr t9
nop
PIC_TAILCALL(abort)
END(_longjmp)

58
lib/libc/mips/gen/fabs.S
View file

@ -1,58 +0,0 @@
/* $NetBSD: fabs.S,v 1.7 2003/08/07 16:42:15 agc Exp $ */
/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)fabs.s 8.1 (Berkeley) 2/16/94")
ASMSTR("$NetBSD: fabs.S,v 1.7 2003/08/07 16:42:15 agc Exp $")
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
.set noreorder
/*
* fabs(x)
* double x;
*
* Return absolute value of x.
*/
LEAF(fabs)
j ra
abs.d $f0, $f12 # compute absolute value of x
END(fabs)

47
lib/libc/mips/gen/fabs.c
View file

@ -1,47 +0,0 @@
/* $NetBSD: fabs.c,v 1.2 2002/05/26 11:48:01 wiz Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 1996 Mark Brinicombe
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* fabs(x) returns the absolute value of x.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
double
fabs(double x)
{
return (__builtin_fabs(x));
}

42
lib/libc/mips/gen/flt_rounds.c
View file

@ -1,42 +0,0 @@
/* $NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: flt_rounds.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include <fenv.h>
#include <float.h>
#ifdef __mips_soft_float
#include "softfloat-for-gcc.h"
#include "milieu.h"
#include "softfloat.h"
#endif
static const int map[] = {
1, /* round to nearest */
0, /* round to zero */
2, /* round to positive infinity */
3 /* round to negative infinity */
};
int
__flt_rounds()
{
int mode;
#ifdef __mips_soft_float
mode = __softfloat_float_rounding_mode;
#else
__asm __volatile("cfc1 %0,$31" : "=r" (mode));
#endif
return map[mode & 0x03];
}

29
lib/libc/mips/gen/hardfloat/fpgetmask.c
View file

@ -1,29 +0,0 @@
/* $NetBSD: fpgetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpgetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpgetmask,_fpgetmask)
#endif
fp_except_t
fpgetmask()
{
int x;
__asm("cfc1 %0,$31" : "=r" (x));
return (x >> 7) & 0x1f;
}

29
lib/libc/mips/gen/hardfloat/fpgetround.c
View file

@ -1,29 +0,0 @@
/* $NetBSD: fpgetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpgetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpgetround,_fpgetround)
#endif
fp_rnd_t
fpgetround()
{
int x;
__asm("cfc1 %0,$31" : "=r" (x));
return x & 0x03;
}

29
lib/libc/mips/gen/hardfloat/fpgetsticky.c
View file

@ -1,29 +0,0 @@
/* $NetBSD: fpgetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpgetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpgetsticky,_fpgetsticky)
#endif
fp_except_t
fpgetsticky()
{
int x;
__asm("cfc1 %0,$31" : "=r" (x));
return (x >> 2) & 0x1f;
}

38
lib/libc/mips/gen/hardfloat/fpsetmask.c
View file

@ -1,38 +0,0 @@
/* $NetBSD: fpsetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpsetmask.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpsetmask,_fpsetmask)
#endif
fp_except_t
fpsetmask(mask)
fp_except_t mask;
{
fp_except_t old;
fp_except_t new;
__asm("cfc1 %0,$31" : "=r" (old));
new = old;
new &= ~(0x1f << 7);
new |= ((mask & 0x1f) << 7);
__asm("ctc1 %0,$31" : : "r" (new));
return (old >> 7) & 0x1f;
}

37
lib/libc/mips/gen/hardfloat/fpsetround.c
View file

@ -1,37 +0,0 @@
/* $NetBSD: fpsetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpsetround.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpsetround,_fpsetround)
#endif
fp_rnd_t
fpsetround(fp_rnd_t rnd_dir)
{
fp_rnd_t old;
fp_rnd_t new;
__asm("cfc1 %0,$31" : "=r" (old));
new = old;
new &= ~0x03;
new |= (rnd_dir & 0x03);
__asm("ctc1 %0,$31" : : "r" (new));
return old & 0x03;
}

38
lib/libc/mips/gen/hardfloat/fpsetsticky.c
View file

@ -1,38 +0,0 @@
/* $NetBSD: fpsetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpsetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpsetsticky,_fpsetsticky)
#endif
fp_except
fpsetsticky(sticky)
fp_except sticky;
{
fp_except old;
fp_except new;
__asm("cfc1 %0,$31" : "=r" (old));
new = old;
new &= ~(0x1f << 2);
new |= ((sticky & 0x1f) << 2);
__asm("ctc1 %0,$31" : : "r" (new));
return (old >> 2) & 0x1f;
}

26
lib/libc/mips/gen/infinity.c
View file

@ -1,26 +0,0 @@
/*
* infinity.c
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <math.h>
/* bytes for +Infinity on a 387 */
const union __infinity_un __infinity = {
#if BYTE_ORDER == BIG_ENDIAN
{ 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
#else
{ 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
#endif
};
/* bytes for NaN */
const union __nan_un __nan = {
#if BYTE_ORDER == BIG_ENDIAN
{0x7f, 0xa0, 0, 0}
#else
{ 0, 0, 0xa0, 0x7f }
#endif
};

219
lib/libc/mips/gen/ldexp.S
View file

@ -1,219 +0,0 @@
/* $NetBSD: ldexp.S,v 1.8 2003/08/07 16:42:15 agc Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)ldexp.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: ldexp.S,v 1.8 2003/08/07 16:42:15 agc Exp $")
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
#define DEXP_INF 0x7ff
#define DEXP_BIAS 1023
#define DEXP_MIN -1022
#define DEXP_MAX 1023
#define DFRAC_BITS 52
#define DIMPL_ONE 0x00100000
#define DLEAD_ZEROS 31 - 20
#define STICKYBIT 1
#define GUARDBIT 0x80000000
#define DSIGNAL_NAN 0x00040000
#define DQUIET_NAN0 0x0007ffff
#define DQUIET_NAN1 0xffffffff
/*
* double ldexp(x, N)
* double x; int N;
*
* Return x * (2**N), for integer values N.
*/
LEAF(ldexp)
mfc1 v1, $f13 # get MSW of x
mfc1 t3, $f12 # get LSW of x
sll t1, v1, 1 # get x exponent
srl t1, t1, 32 - 11
beq t1, DEXP_INF, 9f # is it a NAN or infinity?
beq t1, zero, 1f # zero or denormalized number?
addu t1, t1, a2 # scale exponent
sll v0, a2, 20 # position N for addition
bge t1, DEXP_INF, 8f # overflow?
addu v0, v0, v1 # multiply by (2**N)
ble t1, zero, 4f # underflow?
mtc1 v0, $f1 # save MSW of result
mtc1 t3, $f0 # save LSW of result
j ra
1:
sll t2, v1, 32 - 20 # get x fraction
srl t2, t2, 32 - 20
srl t0, v1, 31 # get x sign
bne t2, zero, 1f
beq t3, zero, 9f # result is zero
1:
/*
* Find out how many leading zero bits are in t2,t3 and put in t9.
*/
move v0, t2
move t9, zero
bne t2, zero, 1f
move v0, t3
addu t9, 32
1:
srl ta0, v0, 16
bne ta0, zero, 1f
addu t9, 16
sll v0, 16
1:
srl ta0, v0, 24
bne ta0, zero, 1f
addu t9, 8
sll v0, 8
1:
srl ta0, v0, 28
bne ta0, zero, 1f
addu t9, 4
sll v0, 4
1:
srl ta0, v0, 30
bne ta0, zero, 1f
addu t9, 2
sll v0, 2
1:
srl ta0, v0, 31
bne ta0, zero, 1f
addu t9, 1
/*
* Now shift t2,t3 the correct number of bits.
*/
1:
subu t9, t9, DLEAD_ZEROS # dont count normal leading zeros
li t1, DEXP_MIN + DEXP_BIAS
subu t1, t1, t9 # adjust exponent
addu t1, t1, a2 # scale exponent
li v0, 32
blt t9, v0, 1f
subu t9, t9, v0 # shift fraction left >= 32 bits
sll t2, t3, t9
move t3, zero
b 2f
1:
subu v0, v0, t9 # shift fraction left < 32 bits
sll t2, t2, t9
srl ta0, t3, v0
or t2, t2, ta0
sll t3, t3, t9
2:
bge t1, DEXP_INF, 8f # overflow?
ble t1, zero, 4f # underflow?
sll t2, t2, 32 - 20 # clear implied one bit
srl t2, t2, 32 - 20
3:
sll t1, t1, 31 - 11 # reposition exponent
sll t0, t0, 31 # reposition sign
or t0, t0, t1 # put result back together
or t0, t0, t2
mtc1 t0, $f1 # save MSW of result
mtc1 t3, $f0 # save LSW of result
j ra
4:
li v0, 0x80000000
ble t1, -52, 7f # is result too small for denorm?
sll t2, v1, 31 - 20 # clear exponent, extract fraction
or t2, t2, v0 # set implied one bit
blt t1, -30, 2f # will all bits in t3 be shifted out?
srl t2, t2, 31 - 20 # shift fraction back to normal position
subu t1, t1, 1
sll ta0, t2, t1 # shift right t2,t3 based on exponent
srl t8, t3, t1 # save bits shifted out
negu t1
srl t3, t3, t1
or t3, t3, ta0
srl t2, t2, t1
bge t8, zero, 1f # does result need to be rounded?
addu t3, t3, 1 # round result
sltu ta0, t3, 1
sll t8, t8, 1
addu t2, t2, ta0
bne t8, zero, 1f # round result to nearest
and t3, t3, ~1
1:
mtc1 t3, $f0 # save denormalized result (LSW)
mtc1 t2, $f1 # save denormalized result (MSW)
bge v1, zero, 1f # should result be negative?
neg.d $f0, $f0 # negate result
1:
j ra
2:
mtc1 zero, $f1 # exponent and upper fraction
addu t1, t1, 20 # compute amount to shift right by
sll t8, t2, t1 # save bits shifted out
negu t1
srl t3, t2, t1
bge t8, zero, 1f # does result need to be rounded?
addu t3, t3, 1 # round result
sltu ta0, t3, 1
sll t8, t8, 1
mtc1 ta0, $f1 # exponent and upper fraction
bne t8, zero, 1f # round result to nearest
and t3, t3, ~1
1:
mtc1 t3, $f0
bge v1, zero, 1f # is result negative?
neg.d $f0, $f0 # negate result
1:
j ra
7:
mtc1 zero, $f0 # result is zero
mtc1 zero, $f1
beq t0, zero, 1f # is result positive?
neg.d $f0, $f0 # negate result
1:
j ra
8:
li t1, 0x7ff00000 # result is infinity (MSW)
mtc1 t1, $f1
mtc1 zero, $f0 # result is infinity (LSW)
bge v1, zero, 1f # should result be negative infinity?
neg.d $f0, $f0 # result is negative infinity
1:
add.d $f0, $f0 # cause overflow faults if enabled
j ra
9:
mov.d $f0, $f12 # yes, result is just x
j ra
END(ldexp)

123
lib/libc/mips/gen/makecontext.c
View file

@ -1,123 +0,0 @@
/* $NetBSD: makecontext.c,v 1.5 2009/12/14 01:07:42 matt Exp $ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-NetBSD
*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: makecontext.c,v 1.5 2009/12/14 01:07:42 matt Exp $");
#endif
#include <sys/param.h>
#include <machine/abi.h>
#define _WANT_MIPS_REGNUM
#include <machine/regnum.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <ucontext.h>
__weak_reference(__makecontext, makecontext);
void _ctx_done(ucontext_t *);
void _ctx_start(void);
void
__makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
{
mcontext_t *mc;
register_t *sp;
int i;
va_list ap;
/*
* XXX/juli
* We need an mc_len or mc_flags like other architectures
* so that we can mark a context as invalid. Store it in
* mc->mc_regs[ZERO] perhaps?
*/
if (argc < 0 || ucp == NULL ||
ucp->uc_stack.ss_sp == NULL ||
ucp->uc_stack.ss_size < MINSIGSTKSZ)
return;
mc = &ucp->uc_mcontext;
sp = (register_t *)
((uintptr_t)ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
#if defined(__mips_o32) || defined(__mips_o64)
sp -= (argc >= 4 ? argc : 4); /* Make room for >=4 arguments. */
#elif defined(__mips_n32) || defined(__mips_n64)
sp -= (argc > 8 ? argc - 8 : 0); /* Make room for > 8 arguments. */
#endif
sp = (register_t *)((uintptr_t)sp & ~(STACK_ALIGN - 1));
mc->mc_regs[SP] = (intptr_t)sp;
mc->mc_regs[S0] = (intptr_t)ucp;
mc->mc_regs[T9] = (intptr_t)func;
mc->mc_pc = (intptr_t)_ctx_start;
/* Construct argument list. */
va_start(ap, argc);
#if defined(__mips_o32) || defined(__mips_o64)
/* Up to the first four arguments are passed in $a0-3. */
for (i = 0; i < argc && i < 4; i++)
/* LINTED register_t is safe */
mc->mc_regs[A0 + i] = va_arg(ap, register_t);
/* Skip over the $a0-3 gap. */
sp += 4;
#endif
#if defined(__mips_n32) || defined(__mips_n64)
/* Up to the first 8 arguments are passed in $a0-7. */
for (i = 0; i < argc && i < 8; i++)
/* LINTED register_t is safe */
mc->mc_regs[A0 + i] = va_arg(ap, register_t);
#endif
/* Pass remaining arguments on the stack. */
for (; i < argc; i++)
/* LINTED register_t is safe */
*sp++ = va_arg(ap, register_t);
va_end(ap);
}
void
_ctx_done(ucontext_t *ucp)
{
if (ucp->uc_link == NULL)
exit(0);
else {
setcontext((const ucontext_t *)ucp->uc_link);
abort();
}
}

237
lib/libc/mips/gen/setjmp.S
View file

@ -1,237 +0,0 @@
/* $NetBSD: setjmp.S,v 1.17 2005/09/17 11:49:39 tsutsui Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: setjmp.S,v 1.17 2005/09/17 11:49:39 tsutsui Exp $")
#endif /* LIBC_SCCS and not lint */
#include "SYS.h"
#ifdef __ABICALLS__
.abicalls
#endif
/*
* C library -- setjmp, longjmp
*
* longjmp(a,v)
* will generate a "return(v)" from
* the last call to
* setjmp(a)
* by restoring registers from the stack,
* and a struct sigcontext, see <signal.h>
*/
#define SETJMP_FRAME_SIZE (CALLFRAME_SIZ + (SZREG * 2))
NESTED(setjmp, SETJMP_FRAME_SIZE, ra)
.mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
SETUP_GP
PTR_SUBU sp, sp, SETJMP_FRAME_SIZE # allocate stack frame
SAVE_GP(CALLFRAME_GP)
SETUP_GP64(CALLFRAME_GP, setjmp)
REG_S ra, CALLFRAME_RA(sp) # save RA
REG_S a0, CALLFRAME_SIZ(sp) # store env
/* Get the signal mask. */
PTR_ADDU a2, a0, _JB_SIGMASK * SZREG # &oenv
li a0, 1 # SIG_SETBLOCK
move a1, zero # &env == 0
PTR_LA t9, _C_LABEL(sigprocmask) # get current signal mask
jalr t9
RESTORE_GP64
REG_L a0, CALLFRAME_SIZ(sp) # restore env pointer
REG_L ra, CALLFRAME_RA(sp) # restore RA
PTR_ADDU sp, sp, SETJMP_FRAME_SIZE # pop stack frame
REG_LI v0, _JB_MAGIC_SETJMP
REG_S v0, (_JB_MAGIC * SZREG)(a0)
REG_S ra, (_JB_REG_RA * SZREG)(a0)
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* Registers s0..s7 are callee-saved.
* The sp register is callee-saved.
* The fp (or s8) register is callee-saved.
* The gp register is callee-saved (for n32/n64).
*/
REG_S s0, (_JB_REG_S0 * SZREG)(a0)
REG_S s1, (_JB_REG_S1 * SZREG)(a0)
REG_S s2, (_JB_REG_S2 * SZREG)(a0)
REG_S s3, (_JB_REG_S3 * SZREG)(a0)
REG_S s4, (_JB_REG_S4 * SZREG)(a0)
REG_S s5, (_JB_REG_S5 * SZREG)(a0)
REG_S s6, (_JB_REG_S6 * SZREG)(a0)
REG_S s7, (_JB_REG_S7 * SZREG)(a0)
REG_S sp, (_JB_REG_SP * SZREG)(a0)
REG_S s8, (_JB_REG_S8 * SZREG)(a0)
#if defined(__mips_n32) || defined(__mips_n64)
REG_S gp, (_JB_REG_GP * SZREG)(a0)
#endif
#ifndef __mips_soft_float
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved.
* In N64, FP registers F24 .. F31 are callee-saved.
* In O32, FP registers F20 .. F23 are callee-saved.
*/
cfc1 v0, $31
INT_S v0, (_JB_FPREG_FCSR * SZREG)(a0)
#if defined(__mips_o32) || defined(__mips_o64) || defined(__mips_n32)
FP_S $f20, (_JB_FPREG_F20 * SZREG)(a0)
FP_S $f22, (_JB_FPREG_F22 * SZREG)(a0)
#endif
#if defined(__mips_o32) || defined(__mips_o64)
FP_S $f21, (_JB_FPREG_F21 * SZREG)(a0)
FP_S $f23, (_JB_FPREG_F23 * SZREG)(a0)
#endif
#if defined(__mips_n32) || defined(__mips_n64)
FP_S $f24, (_JB_FPREG_F24 * SZREG)(a0)
FP_S $f26, (_JB_FPREG_F26 * SZREG)(a0)
FP_S $f28, (_JB_FPREG_F28 * SZREG)(a0)
FP_S $f30, (_JB_FPREG_F30 * SZREG)(a0)
#endif
#if defined(__mips_n64)
FP_S $f25, (_JB_FPREG_F25 * SZREG)(a0)
FP_S $f27, (_JB_FPREG_F27 * SZREG)(a0)
FP_S $f29, (_JB_FPREG_F29 * SZREG)(a0)
FP_S $f31, (_JB_FPREG_F31 * SZREG)(a0)
#endif
#endif /* ! __mips_soft_float */
move v0, zero
jr ra
END(setjmp)
#define LONGJMP_FRAME_SIZE (CALLFRAME_SIZ + (SZREG * 2))
NESTED(longjmp, LONGJMP_FRAME_SIZE, ra)
.mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
PIC_PROLOGUE(longjmp)
PTR_SUBU sp, sp, LONGJMP_FRAME_SIZE # allocate stack frame
SAVE_GP(CALLFRAME_GP)
REG_S ra, CALLFRAME_RA(sp) # save RA
REG_L v0, (_JB_MAGIC * SZREG)(a0)
REG_LI t0, _JB_MAGIC_SETJMP
bne v0, t0, botch # jump if error
nop
REG_S a0, CALLFRAME_SIZ(sp) # save env
REG_S a1, (CALLFRAME_SIZ + SZREG)(sp) # save return value
# set sigmask
PTR_ADDU a1, a0, _JB_SIGMASK * SZREG # &set
move a2, zero # &oset == NULL
li a0, 3 # SIG_SETMASK
PTR_LA t9,_C_LABEL(sigprocmask) # set current signal mask
jal t9
nop
REG_L a0, CALLFRAME_SIZ(sp) # restore env
REG_L a1, (CALLFRAME_SIZ + SZREG)(sp) # restore return value
REG_L ra, (_JB_REG_RA * SZREG)(a0)
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* Registers s0..s7 are callee-saved.
* The sp register is callee-saved.
* The fp (or s8) register is callee-saved.
* The gp register is callee-saved (for n32/n64).
*/
REG_L s0, (_JB_REG_S0 * SZREG)(a0)
REG_L s1, (_JB_REG_S1 * SZREG)(a0)
REG_L s2, (_JB_REG_S2 * SZREG)(a0)
REG_L s3, (_JB_REG_S3 * SZREG)(a0)
REG_L s4, (_JB_REG_S4 * SZREG)(a0)
REG_L s5, (_JB_REG_S5 * SZREG)(a0)
REG_L s6, (_JB_REG_S6 * SZREG)(a0)
REG_L s7, (_JB_REG_S7 * SZREG)(a0)
REG_L sp, (_JB_REG_SP * SZREG)(a0)
REG_L s8, (_JB_REG_S8 * SZREG)(a0)
#if defined(__mips_n32) || defined(__mips_n64)
REG_L gp, (_JB_REG_GP * SZREG)(a0)
#endif
#ifndef __mips_soft_float
/*
* From "MIPSpro N32 ABI Handbook", Table 2-1:
* In N32, FP registers F20, F22, F24, F26, F28, F30 are callee-saved.
* In N64, FP registers F23 .. F31 are callee-saved.
* In O32, FP registers F20 .. F23 are callee-saved.
*/
INT_L v0, (_JB_FPREG_FCSR * SZREG)(a0)
ctc1 v0, $31
#if defined(__mips_n64) || defined(__mips_n32)
FP_L $f30, (_JB_FPREG_F30 * SZREG)(a0)
FP_L $f28, (_JB_FPREG_F28 * SZREG)(a0)
FP_L $f26, (_JB_FPREG_F26 * SZREG)(a0)
FP_L $f24, (_JB_FPREG_F24 * SZREG)(a0)
#endif
#if defined(__mips_n32) || defined(__mips_o32) || defined(__mips_o64)
FP_L $f22, (_JB_FPREG_F22 * SZREG)(a0)
FP_L $f20, (_JB_FPREG_F20 * SZREG)(a0)
#endif
#if defined(__mips_o32) || defined(__mips_o64)
FP_L $f21, (_JB_FPREG_F21 * SZREG)(a0)
FP_L $f23, (_JB_FPREG_F23 * SZREG)(a0)
#endif
#if defined(__mips_n64)
FP_L $f25, (_JB_FPREG_F25 * SZREG)(a0)
FP_L $f27, (_JB_FPREG_F27 * SZREG)(a0)
FP_L $f29, (_JB_FPREG_F29 * SZREG)(a0)
FP_L $f31, (_JB_FPREG_F31 * SZREG)(a0)
#endif
#endif /* ! __mips_soft_float */
move v0, a1
j ra
nop
botch:
/*
* We know we aren't returning so we don't care about restoring
* our caller's GP.
*/
PTR_LA t9, _C_LABEL(longjmperror)
jalr t9
nop
PIC_TAILCALL(abort)
END(longjmp)

55
lib/libc/mips/gen/signalcontext.c
View file

@ -1,55 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2004 Olivier Houchard
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/signal.h>
#include <sys/ucontext.h>
#include <machine/frame.h>
#include <machine/sigframe.h>
#include <errno.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <strings.h>
#include <signal.h>
__weak_reference(__signalcontext, signalcontext);
extern void _ctx_start(void);
int
__signalcontext(ucontext_t *ucp, int sig, __sighandler_t *func)
{
/* XXXMIPS: Implement me */
return (0);
}

76
lib/libc/mips/gen/sigsetjmp.S
View file

@ -1,76 +0,0 @@
/* $NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $ */
/*-
* Copyright (c) 1991, 1993, 1995,
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Havard Eidnes.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)setjmp.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: sigsetjmp.S,v 1.8 2005/09/17 11:49:39 tsutsui Exp $")
#endif /* LIBC_SCCS and not lint */
#include "SYS.h"
#ifdef __ABICALLS__
.abicalls
#endif
/*
* C library -- sigsetjmp, siglongjmp
*
* siglongjmp(a,v)
* will generate a "return(v)" from
* the last call to
* sigsetjmp(a, savemask)
* by restoring registers from the stack,
* and dependent on savemask restores the
* signal mask.
*/
LEAF(sigsetjmp)
PIC_PROLOGUE(sigsetjmp)
bne a1, zero, 1f # do saving of signal mask?
PIC_TAILCALL(_setjmp)
1: PIC_TAILCALL(setjmp)
END(sigsetjmp)
LEAF(siglongjmp)
PIC_PROLOGUE(siglongjmp)
REG_L t0, (_JB_MAGIC * SZREG)(a0)
REG_LI t1, _JB_MAGIC__SETJMP
bne t0, t1, 1f # setjmp or _setjmp magic?
PIC_TAILCALL(_longjmp)
1: PIC_TAILCALL(longjmp)
END(siglongjmp)

4
lib/libc/mips/net/Makefile.inc
View file

@ -1,4 +0,0 @@
# $NetBSD: Makefile.inc,v 1.3 2003/08/01 17:03:51 lukem Exp $
# $FreeBSD$
SRCS+= htonl.S ntohl.S htons.S ntohs.S

51
lib/libc/mips/net/htonl.S
View file

@ -1,51 +0,0 @@
/* $NetBSD: byte_swap_4.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Neil A. Carson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
LEAF(htonl) # a0 = 0x11223344, return 0x44332211
#ifdef __MIPSEB__
move v0, a0
#else
srl v1, a0, 24 # v1 = 0x00000011
sll v0, a0, 24 # v0 = 0x44000000
or v0, v0, v1
and v1, a0, 0xff00
sll v1, v1, 8 # v1 = 0x00330000
or v0, v0, v1
srl v1, a0, 8
and v1, v1, 0xff00 # v1 = 0x00002200
or v0, v0, v1
#endif
j ra
END(htonl)

47
lib/libc/mips/net/htons.S
View file

@ -1,47 +0,0 @@
/* $NetBSD: byte_swap_2.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
LEAF(htons)
#ifdef __MIPSEB__
move v0, a0
#else
srl v0, a0, 8
and v0, v0, 0xff
sll v1, a0, 8
and v1, v1, 0xff00
or v0, v0, v1
#endif
j ra
END(htons)

51
lib/libc/mips/net/ntohl.S
View file

@ -1,51 +0,0 @@
/* $NetBSD: byte_swap_4.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Neil A. Carson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
LEAF(ntohl) # a0 = 0x11223344, return 0x44332211
#ifdef __MIPSEB__
move v0, a0
#else
srl v1, a0, 24 # v1 = 0x00000011
sll v0, a0, 24 # v0 = 0x44000000
or v0, v0, v1
and v1, a0, 0xff00
sll v1, v1, 8 # v1 = 0x00330000
or v0, v0, v1
srl v1, a0, 8
and v1, v1, 0xff00 # v1 = 0x00002200
or v0, v0, v1
#endif
j ra
END(ntohl)

46
lib/libc/mips/net/ntohs.S
View file

@ -1,46 +0,0 @@
/* $NetBSD: byte_swap_2.S,v 1.2 2006/02/08 21:52:36 simonb Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
LEAF(ntohs)
#ifdef __MIPSEB__
move v0, a0
#else
srl v0, a0, 8
and v0, v0, 0xff
sll v1, a0, 8
and v1, v1, 0xff00
or v0, v0, v1
#endif
j ra
END(ntohs)

48
lib/libc/mips/softfloat/milieu.h
View file

@ -1,48 +0,0 @@
/* $FreeBSD$ */
/*
===============================================================================
This C header file is part of the SoftFloat IEC/IEEE Floating-point
Arithmetic Package, Release 2a.
Written by John R. Hauser. This work was made possible in part by the
International Computer Science Institute, located at Suite 600, 1947 Center
Street, Berkeley, California 94704. Funding was partially provided by the
National Science Foundation under grant MIP-9311980. The original version
of this code was written as part of a project to build a fixed-point vector
processor in collaboration with the University of California at Berkeley,
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
arithmetic/SoftFloat.html'.
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
Derivative works are acceptable, even for commercial purposes, so long as
(1) they include prominent notice that the work is derivative, and (2) they
include prominent notice akin to these four paragraphs for those parts of
this code that are retained.
===============================================================================
*/
/*
-------------------------------------------------------------------------------
Include common integer types and flags.
-------------------------------------------------------------------------------
*/
#include "mips-gcc.h"
/*
-------------------------------------------------------------------------------
Symbolic Boolean literals.
-------------------------------------------------------------------------------
*/
enum {
FALSE = 0,
TRUE = 1
};

91
lib/libc/mips/softfloat/mips-gcc.h
View file

@ -1,91 +0,0 @@
/* $NetBSD: arm-gcc.h,v 1.2 2001/02/21 18:09:25 bjh21 Exp $ */
/* $FreeBSD$ */
/*
-------------------------------------------------------------------------------
One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
-------------------------------------------------------------------------------
*/
#ifdef __MIPSEB__
#define BIGENDIAN
#else
#define LITTLEENDIAN
#endif
/*
-------------------------------------------------------------------------------
The macro `BITS64' can be defined to indicate that 64-bit integer types are
supported by the compiler.
-------------------------------------------------------------------------------
*/
#define BITS64
/*
-------------------------------------------------------------------------------
Each of the following `typedef's defines the most convenient type that holds
integers of at least as many bits as specified. For example, `uint8' should
be the most convenient type that can hold unsigned integers of as many as
8 bits. The `flag' type must be able to hold either a 0 or 1. For most
implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
to the same as `int'.
-------------------------------------------------------------------------------
*/
typedef int flag;
typedef int uint8;
typedef int int8;
typedef int uint16;
typedef int int16;
typedef unsigned int uint32;
typedef signed int int32;
#ifdef BITS64
typedef unsigned long long int uint64;
typedef signed long long int int64;
#endif
/*
-------------------------------------------------------------------------------
Each of the following `typedef's defines a type that holds integers
of _exactly_ the number of bits specified. For instance, for most
implementation of C, `bits16' and `sbits16' should be `typedef'ed to
`unsigned short int' and `signed short int' (or `short int'), respectively.
-------------------------------------------------------------------------------
*/
typedef unsigned char bits8;
typedef signed char sbits8;
typedef unsigned short int bits16;
typedef signed short int sbits16;
typedef unsigned int bits32;
typedef signed int sbits32;
#ifdef BITS64
typedef unsigned long long int bits64;
typedef signed long long int sbits64;
#endif
#ifdef BITS64
/*
-------------------------------------------------------------------------------
The `LIT64' macro takes as its argument a textual integer literal and
if necessary ``marks'' the literal as having a 64-bit integer type.
For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
appended with the letters `LL' standing for `long long', which is `gcc's
name for the 64-bit integer type. Some compilers may allow `LIT64' to be
defined as the identity macro: `#define LIT64( a ) a'.
-------------------------------------------------------------------------------
*/
#define LIT64( a ) a##LL
#endif
/*
-------------------------------------------------------------------------------
The macro `INLINE' can be used before functions that should be inlined. If
a compiler does not support explicit inlining, this macro should be defined
to be `static'.
-------------------------------------------------------------------------------
*/
#define INLINE static __inline
#if defined(SOFTFLOAT_FOR_GCC)
/* XXXMIPS: check this one */
#define FLOAT64_DEMANGLE(a) (a)
#define FLOAT64_MANGLE(a) (a)
#endif

315
lib/libc/mips/softfloat/softfloat.h
View file

@ -1,315 +0,0 @@
/* $NetBSD: softfloat.h,v 1.6 2002/05/12 13:12:46 bjh21 Exp $ */
/* $FreeBSD$ */
/* This is a derivative work. */
/*
===============================================================================
This C header file is part of the SoftFloat IEC/IEEE Floating-point
Arithmetic Package, Release 2a.
Written by John R. Hauser. This work was made possible in part by the
International Computer Science Institute, located at Suite 600, 1947 Center
Street, Berkeley, California 94704. Funding was partially provided by the
National Science Foundation under grant MIP-9311980. The original version
of this code was written as part of a project to build a fixed-point vector
processor in collaboration with the University of California at Berkeley,
overseen by Profs. Nelson Morgan and John Wawrzynek. More information
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/
arithmetic/SoftFloat.html'.
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
Derivative works are acceptable, even for commercial purposes, so long as
(1) they include prominent notice that the work is derivative, and (2) they
include prominent notice akin to these four paragraphs for those parts of
this code that are retained.
===============================================================================
*/
/*
-------------------------------------------------------------------------------
The macro `FLOATX80' must be defined to enable the extended double-precision
floating-point format `floatx80'. If this macro is not defined, the
`floatx80' type will not be defined, and none of the functions that either
input or output the `floatx80' type will be defined. The same applies to
the `FLOAT128' macro and the quadruple-precision format `float128'.
-------------------------------------------------------------------------------
*/
/* #define FLOATX80 */
/* #define FLOAT128 */
#include <fenv.h>
/*
-------------------------------------------------------------------------------
Software IEC/IEEE floating-point types.
-------------------------------------------------------------------------------
*/
typedef unsigned int float32;
typedef unsigned long long float64;
#ifdef FLOATX80
typedef struct {
unsigned short high;
unsigned long long low;
} floatx80;
#endif
#ifdef FLOAT128
typedef struct {
unsigned long long high, low;
} float128;
#endif
/*
-------------------------------------------------------------------------------
Software IEC/IEEE floating-point underflow tininess-detection mode.
-------------------------------------------------------------------------------
*/
#ifndef SOFTFLOAT_FOR_GCC
extern int float_detect_tininess;
#endif
enum {
float_tininess_after_rounding = 0,
float_tininess_before_rounding = 1
};
/*
-------------------------------------------------------------------------------
Software IEC/IEEE floating-point rounding mode.
-------------------------------------------------------------------------------
*/
extern int float_rounding_mode;
enum {
float_round_nearest_even = FE_TONEAREST,
float_round_to_zero = FE_TOWARDZERO,
float_round_down = FE_DOWNWARD,
float_round_up = FE_UPWARD
};
/*
-------------------------------------------------------------------------------
Software IEC/IEEE floating-point exception flags.
-------------------------------------------------------------------------------
*/
extern int float_exception_flags;
extern int float_exception_mask;
enum {
float_flag_inexact = FE_INEXACT,
float_flag_underflow = FE_UNDERFLOW,
float_flag_overflow = FE_OVERFLOW,
float_flag_divbyzero = FE_DIVBYZERO,
float_flag_invalid = FE_INVALID
};
/*
-------------------------------------------------------------------------------
Routine to raise any or all of the software IEC/IEEE floating-point
exception flags.
-------------------------------------------------------------------------------
*/
void float_raise( int );
/*
-------------------------------------------------------------------------------
Software IEC/IEEE integer-to-floating-point conversion routines.
-------------------------------------------------------------------------------
*/
float32 int32_to_float32( int );
float64 int32_to_float64( int );
#ifdef FLOATX80
floatx80 int32_to_floatx80( int );
#endif
#ifdef FLOAT128
float128 int32_to_float128( int );
#endif
#ifndef SOFTFLOAT_FOR_GCC /* __floatdi?f is in libgcc2.c */
float32 int64_to_float32( long long );
float64 int64_to_float64( long long );
#ifdef FLOATX80
floatx80 int64_to_floatx80( long long );
#endif
#ifdef FLOAT128
float128 int64_to_float128( long long );
#endif
#endif
/*
-------------------------------------------------------------------------------
Software IEC/IEEE single-precision conversion routines.
-------------------------------------------------------------------------------
*/
int float32_to_int32( float32 );
int float32_to_int32_round_to_zero( float32 );
#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS)
unsigned int float32_to_uint32_round_to_zero( float32 );
#endif
#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */
long long float32_to_int64( float32 );
long long float32_to_int64_round_to_zero( float32 );
#endif
float64 float32_to_float64( float32 );
#ifdef FLOATX80
floatx80 float32_to_floatx80( float32 );
#endif
#ifdef FLOAT128
float128 float32_to_float128( float32 );
#endif
/*
-------------------------------------------------------------------------------
Software IEC/IEEE single-precision operations.
-------------------------------------------------------------------------------
*/
float32 float32_round_to_int( float32 );
float32 float32_add( float32, float32 );
float32 float32_sub( float32, float32 );
float32 float32_mul( float32, float32 );
float32 float32_div( float32, float32 );
float32 float32_rem( float32, float32 );
float32 float32_sqrt( float32 );
int float32_eq( float32, float32 );
int float32_le( float32, float32 );
int float32_lt( float32, float32 );
int float32_eq_signaling( float32, float32 );
int float32_le_quiet( float32, float32 );
int float32_lt_quiet( float32, float32 );
#ifndef SOFTFLOAT_FOR_GCC
int float32_is_signaling_nan( float32 );
#endif
/*
-------------------------------------------------------------------------------
Software IEC/IEEE double-precision conversion routines.
-------------------------------------------------------------------------------
*/
int float64_to_int32( float64 );
int float64_to_int32_round_to_zero( float64 );
#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS)
unsigned int float64_to_uint32_round_to_zero( float64 );
#endif
#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */
long long float64_to_int64( float64 );
long long float64_to_int64_round_to_zero( float64 );
#endif
float32 float64_to_float32( float64 );
#ifdef FLOATX80
floatx80 float64_to_floatx80( float64 );
#endif
#ifdef FLOAT128
float128 float64_to_float128( float64 );
#endif
/*
-------------------------------------------------------------------------------
Software IEC/IEEE double-precision operations.
-------------------------------------------------------------------------------
*/
float64 float64_round_to_int( float64 );
float64 float64_add( float64, float64 );
float64 float64_sub( float64, float64 );
float64 float64_mul( float64, float64 );
float64 float64_div( float64, float64 );
float64 float64_rem( float64, float64 );
float64 float64_sqrt( float64 );
int float64_eq( float64, float64 );
int float64_le( float64, float64 );
int float64_lt( float64, float64 );
int float64_eq_signaling( float64, float64 );
int float64_le_quiet( float64, float64 );
int float64_lt_quiet( float64, float64 );
#ifndef SOFTFLOAT_FOR_GCC
int float64_is_signaling_nan( float64 );
#endif
#ifdef FLOATX80
/*
-------------------------------------------------------------------------------
Software IEC/IEEE extended double-precision conversion routines.
-------------------------------------------------------------------------------
*/
int floatx80_to_int32( floatx80 );
int floatx80_to_int32_round_to_zero( floatx80 );
long long floatx80_to_int64( floatx80 );
long long floatx80_to_int64_round_to_zero( floatx80 );
float32 floatx80_to_float32( floatx80 );
float64 floatx80_to_float64( floatx80 );
#ifdef FLOAT128
float128 floatx80_to_float128( floatx80 );
#endif
/*
-------------------------------------------------------------------------------
Software IEC/IEEE extended double-precision rounding precision. Valid
values are 32, 64, and 80.
-------------------------------------------------------------------------------
*/
extern int floatx80_rounding_precision;
/*
-------------------------------------------------------------------------------
Software IEC/IEEE extended double-precision operations.
-------------------------------------------------------------------------------
*/
floatx80 floatx80_round_to_int( floatx80 );
floatx80 floatx80_add( floatx80, floatx80 );
floatx80 floatx80_sub( floatx80, floatx80 );
floatx80 floatx80_mul( floatx80, floatx80 );
floatx80 floatx80_div( floatx80, floatx80 );
floatx80 floatx80_rem( floatx80, floatx80 );
floatx80 floatx80_sqrt( floatx80 );
int floatx80_eq( floatx80, floatx80 );
int floatx80_le( floatx80, floatx80 );
int floatx80_lt( floatx80, floatx80 );
int floatx80_eq_signaling( floatx80, floatx80 );
int floatx80_le_quiet( floatx80, floatx80 );
int floatx80_lt_quiet( floatx80, floatx80 );
int floatx80_is_signaling_nan( floatx80 );
#endif
#ifdef FLOAT128
/*
-------------------------------------------------------------------------------
Software IEC/IEEE quadruple-precision conversion routines.
-------------------------------------------------------------------------------
*/
int float128_to_int32( float128 );
int float128_to_int32_round_to_zero( float128 );
long long float128_to_int64( float128 );
long long float128_to_int64_round_to_zero( float128 );
float32 float128_to_float32( float128 );
float64 float128_to_float64( float128 );
#ifdef FLOATX80
floatx80 float128_to_floatx80( float128 );
#endif
/*
-------------------------------------------------------------------------------
Software IEC/IEEE quadruple-precision operations.
-------------------------------------------------------------------------------
*/
float128 float128_round_to_int( float128 );
float128 float128_add( float128, float128 );
float128 float128_sub( float128, float128 );
float128 float128_mul( float128, float128 );
float128 float128_div( float128, float128 );
float128 float128_rem( float128, float128 );
float128 float128_sqrt( float128 );
int float128_eq( float128, float128 );
int float128_le( float128, float128 );
int float128_lt( float128, float128 );
int float128_eq_signaling( float128, float128 );
int float128_le_quiet( float128, float128 );
int float128_lt_quiet( float128, float128 );
int float128_is_signaling_nan( float128 );
#endif

58
lib/libc/mips/static_tls.h
View file

@ -1,58 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2019 The FreeBSD Foundation
*
* This software was developed by Konstantin Belousov <kib@FreeBSD.org>
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _LIBC_MIPS_STATIC_TLS_H
#define _LIBC_MIPS_STATIC_TLS_H
#include <machine/tls.h>
static __inline uintptr_t
_libc_get_static_tls_base(size_t offset)
{
uintptr_t tlsbase;
__asm__ __volatile__ (
".set\tpush\n\t"
#if defined(__mips_n64)
".set\tmips64r2\n\t"
#else /* mips 32 */
".set\tmips32r2\n\t"
#endif /* ! __mips_n64 */
"rdhwr\t%0, $29\n\t"
".set\tpop"
: "=r" (tlsbase));
tlsbase -= TLS_TP_OFFSET + TLS_TCB_SIZE;
tlsbase += offset;
return (tlsbase);
}
#endif

13
lib/libc/mips/string/Makefile.inc
View file

@ -1,13 +0,0 @@
# $FreeBSD$
MDSRCS+= \
bcmp.S \
bcopy.S \
bzero.S \
ffs.S \
memcpy.S \
memmove.S \
strchr.S \
strcmp.S \
strlen.S \
strrchr.S

130
lib/libc/mips/string/bcmp.S
View file

@ -1,130 +0,0 @@
/* $NetBSD: bcmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#define _LOCORE /* XXX not really, just assembly-code source */
#include <machine/endian.h> /* LWLO/LWHI, SWLO/SWHI */
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
ASMSTR("from: @(#)bcmp.s 8.1 (Berkeley) 6/4/93")
#else
ASMSTR("$NetBSD: bcmp.S,v 1.9 2009/12/14 01:07:42 matt Exp $")
#endif
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
/* bcmp(s1, s2, n) */
LEAF(bcmp)
.set noreorder
blt a2, 16, small # is it worth any trouble?
xor v0, a0, a1 # compare low two bits of addresses
and v0, v0, 3
PTR_SUBU a3, zero, a1 # compute # bytes to word align address
bne v0, zero, unaligned # not possible to align addresses
and a3, a3, 3
beq a3, zero, 1f
PTR_SUBU a2, a2, a3 # subtract from remaining count
move v0, v1 # init v0,v1 so unmodified bytes match
LWHI v0, 0(a0) # read 1, 2, or 3 bytes
LWHI v1, 0(a1)
PTR_ADDU a1, a1, a3
bne v0, v1, nomatch
PTR_ADDU a0, a0, a3
1:
and a3, a2, ~3 # compute number of whole words left
PTR_SUBU a2, a2, a3 # which has to be >= (16-3) & ~3
PTR_ADDU a3, a3, a0 # compute ending address
2:
lw v0, 0(a0) # compare words
lw v1, 0(a1)
PTR_ADDU a0, a0, 4
bne v0, v1, nomatch
PTR_ADDU a1, a1, 4
bne a0, a3, 2b
nop
b small # finish remainder
nop
unaligned:
beq a3, zero, 2f
PTR_SUBU a2, a2, a3 # subtract from remaining count
PTR_ADDU a3, a3, a0 # compute ending address
1:
lbu v0, 0(a0) # compare bytes until a1 word aligned
lbu v1, 0(a1)
PTR_ADDU a0, a0, 1
bne v0, v1, nomatch
PTR_ADDU a1, a1, 1
bne a0, a3, 1b
nop
2:
and a3, a2, ~3 # compute number of whole words left
PTR_SUBU a2, a2, a3 # which has to be >= (16-3) & ~3
PTR_ADDU a3, a3, a0 # compute ending address
3:
LWHI v0, 0(a0) # compare words a0 unaligned, a1 aligned
LWLO v0, 3(a0)
lw v1, 0(a1)
PTR_ADDU a0, a0, 4
bne v0, v1, nomatch
PTR_ADDU a1, a1, 4
bne a0, a3, 3b
nop
small:
ble a2, zero, match
PTR_ADDU a3, a2, a0 # compute ending address
1:
lbu v0, 0(a0)
lbu v1, 0(a1)
PTR_ADDU a0, a0, 1
bne v0, v1, nomatch
PTR_ADDU a1, a1, 1
bne a0, a3, 1b
nop
match:
j ra
move v0, zero
nomatch:
j ra
li v0, 1
.set reorder
END(bcmp)

297
lib/libc/mips/string/bcopy.S
View file

@ -1,297 +0,0 @@
/* $NetBSD: bcopy.S,v 1.3 2009/12/14 00:39:00 matt Exp $ */
/*
* Mach Operating System
* Copyright (c) 1993 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* File: mips_bcopy.s
* Author: Chris Maeda
* Date: June 1993
*
* Fast copy routine. Derived from aligned_block_copy.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#define _LOCORE /* XXX not really, just assembly-code source */
#include <machine/endian.h>
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
ASMSTR("from: @(#)mips_bcopy.s 2.2 CMU 18/06/93")
#else
ASMSTR("$NetBSD: bcopy.S,v 1.3 2009/12/14 00:39:00 matt Exp $")
#endif
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
/*
* bcopy(caddr_t src, caddr_t dst, unsigned int len)
*
* a0 src address
* a1 dst address
* a2 length
*/
#if defined(MEMCOPY) || defined(MEMMOVE)
#ifdef MEMCOPY
#define FUNCTION memcpy
#else
#define FUNCTION memmove
#endif
#define SRCREG a1
#define DSTREG a0
#else
#define FUNCTION bcopy
#define SRCREG a0
#define DSTREG a1
#endif
#define SIZEREG a2
LEAF(FUNCTION)
.set noat
.set noreorder
#if defined(MEMCOPY) || defined(MEMMOVE)
/* set up return value, while we still can */
move v0,DSTREG
#endif
/*
* Make sure we can copy forwards.
*/
sltu t0,SRCREG,DSTREG # t0 == SRCREG < DSTREG
bne t0,zero,6f # copy backwards
/*
* There are four alignment cases (with frequency)
* (Based on measurements taken with a DECstation 5000/200
* inside a Mach kernel.)
*
* aligned -> aligned (mostly)
* unaligned -> aligned (sometimes)
* aligned,unaligned -> unaligned (almost never)
*
* Note that we could add another case that checks if
* the destination and source are unaligned but the
* copy is alignable. eg if src and dest are both
* on a halfword boundary.
*/
andi t1,DSTREG,(SZREG-1) # get last bits of dest
bne t1,zero,3f # dest unaligned
andi t0,SRCREG,(SZREG-1) # get last bits of src
bne t0,zero,5f
/*
* Forward aligned->aligned copy, 8 words at a time.
*/
98:
li AT,-(SZREG*8)
and t0,SIZEREG,AT # count truncated to multiples
PTR_ADDU a3,SRCREG,t0 # run fast loop up to this addr
sltu AT,SRCREG,a3 # any work to do?
beq AT,zero,2f
PTR_SUBU SIZEREG,t0
/*
* loop body
*/
1: # cp
REG_L t3,(0*SZREG)(SRCREG)
REG_L v1,(1*SZREG)(SRCREG)
REG_L t0,(2*SZREG)(SRCREG)
REG_L t1,(3*SZREG)(SRCREG)
PTR_ADDU SRCREG,SZREG*8
REG_S t3,(0*SZREG)(DSTREG)
REG_S v1,(1*SZREG)(DSTREG)
REG_S t0,(2*SZREG)(DSTREG)
REG_S t1,(3*SZREG)(DSTREG)
REG_L t1,(-1*SZREG)(SRCREG)
REG_L t0,(-2*SZREG)(SRCREG)
REG_L v1,(-3*SZREG)(SRCREG)
REG_L t3,(-4*SZREG)(SRCREG)
PTR_ADDU DSTREG,SZREG*8
REG_S t1,(-1*SZREG)(DSTREG)
REG_S t0,(-2*SZREG)(DSTREG)
REG_S v1,(-3*SZREG)(DSTREG)
bne SRCREG,a3,1b
REG_S t3,(-4*SZREG)(DSTREG)
/*
* Copy a word at a time, no loop unrolling.
*/
2: # wordcopy
andi t2,SIZEREG,(SZREG-1) # get byte count / SZREG
PTR_SUBU t2,SIZEREG,t2 # t2 = words to copy * SZREG
beq t2,zero,3f
PTR_ADDU t0,SRCREG,t2 # stop at t0
PTR_SUBU SIZEREG,SIZEREG,t2
1:
REG_L t3,0(SRCREG)
PTR_ADDU SRCREG,SZREG
REG_S t3,0(DSTREG)
bne SRCREG,t0,1b
PTR_ADDU DSTREG,SZREG
3: # bytecopy
beq SIZEREG,zero,4f # nothing left to do?
nop
1:
lb t3,0(SRCREG)
PTR_ADDU SRCREG,1
sb t3,0(DSTREG)
PTR_SUBU SIZEREG,1
bgtz SIZEREG,1b
PTR_ADDU DSTREG,1
4: # copydone
j ra
nop
/*
* Copy from unaligned source to aligned dest.
*/
5: # destaligned
andi t0,SIZEREG,(SZREG-1) # t0 = bytecount mod SZREG
PTR_SUBU a3,SIZEREG,t0 # number of words to transfer
beq a3,zero,3b
nop
move SIZEREG,t0 # this many to do after we are done
PTR_ADDU a3,SRCREG,a3 # stop point
1:
REG_LHI t3,0(SRCREG)
REG_LLO t3,SZREG-1(SRCREG)
PTR_ADDI SRCREG,SZREG
REG_S t3,0(DSTREG)
bne SRCREG,a3,1b
PTR_ADDI DSTREG,SZREG
b 3b
nop
6: # backcopy -- based on above
PTR_ADDU SRCREG,SIZEREG
PTR_ADDU DSTREG,SIZEREG
andi t1,DSTREG,SZREG-1 # get last 3 bits of dest
bne t1,zero,3f
andi t0,SRCREG,SZREG-1 # get last 3 bits of src
bne t0,zero,5f
/*
* Forward aligned->aligned copy, 8*4 bytes at a time.
*/
li AT,(-8*SZREG)
and t0,SIZEREG,AT # count truncated to multiple of 32
beq t0,zero,2f # any work to do?
PTR_SUBU SIZEREG,t0
PTR_SUBU a3,SRCREG,t0
/*
* loop body
*/
1: # cp
REG_L t3,(-4*SZREG)(SRCREG)
REG_L v1,(-3*SZREG)(SRCREG)
REG_L t0,(-2*SZREG)(SRCREG)
REG_L t1,(-1*SZREG)(SRCREG)
PTR_SUBU SRCREG,8*SZREG
REG_S t3,(-4*SZREG)(DSTREG)
REG_S v1,(-3*SZREG)(DSTREG)
REG_S t0,(-2*SZREG)(DSTREG)
REG_S t1,(-1*SZREG)(DSTREG)
REG_L t1,(3*SZREG)(SRCREG)
REG_L t0,(2*SZREG)(SRCREG)
REG_L v1,(1*SZREG)(SRCREG)
REG_L t3,(0*SZREG)(SRCREG)
PTR_SUBU DSTREG,8*SZREG
REG_S t1,(3*SZREG)(DSTREG)
REG_S t0,(2*SZREG)(DSTREG)
REG_S v1,(1*SZREG)(DSTREG)
bne SRCREG,a3,1b
REG_S t3,(0*SZREG)(DSTREG)
/*
* Copy a word at a time, no loop unrolling.
*/
2: # wordcopy
andi t2,SIZEREG,SZREG-1 # get byte count / 4
PTR_SUBU t2,SIZEREG,t2 # t2 = number of words to copy
beq t2,zero,3f
PTR_SUBU t0,SRCREG,t2 # stop at t0
PTR_SUBU SIZEREG,SIZEREG,t2
1:
REG_L t3,-SZREG(SRCREG)
PTR_SUBU SRCREG,SZREG
REG_S t3,-SZREG(DSTREG)
bne SRCREG,t0,1b
PTR_SUBU DSTREG,SZREG
3: # bytecopy
beq SIZEREG,zero,4f # nothing left to do?
nop
1:
lb t3,-1(SRCREG)
PTR_SUBU SRCREG,1
sb t3,-1(DSTREG)
PTR_SUBU SIZEREG,1
bgtz SIZEREG,1b
PTR_SUBU DSTREG,1
4: # copydone
j ra
nop
/*
* Copy from unaligned source to aligned dest.
*/
5: # destaligned
andi t0,SIZEREG,SZREG-1 # t0 = bytecount mod 4
PTR_SUBU a3,SIZEREG,t0 # number of words to transfer
beq a3,zero,3b
nop
move SIZEREG,t0 # this many to do after we are done
PTR_SUBU a3,SRCREG,a3 # stop point
1:
REG_LHI t3,-SZREG(SRCREG)
REG_LLO t3,-1(SRCREG)
PTR_SUBU SRCREG,SZREG
REG_S t3,-SZREG(DSTREG)
bne SRCREG,a3,1b
PTR_SUBU DSTREG,SZREG
b 3b
nop
.set reorder
.set at
END(FUNCTION)

83
lib/libc/mips/string/bzero.S
View file

@ -1,83 +0,0 @@
/* $NetBSD: bzero.S,v 1.10 2009/12/14 02:53:52 matt Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
ASMSTR("from: @(#)bzero.s 8.1 (Berkeley) 6/4/93")
#else
ASMSTR("$NetBSD: bzero.S,v 1.10 2009/12/14 02:53:52 matt Exp $")
#endif
#endif /* LIBC_SCCS and not lint */
#define _LOCORE /* XXX not really, just assembly-code source */
#include <machine/endian.h>
#ifdef __ABICALLS__
.abicalls
#endif
/* bzero(s1, n) */
LEAF(bzero)
.set noreorder
blt a1, 3*SZREG, smallclr # small amount to clear?
PTR_SUBU a3, zero, a0 # compute # bytes to word align address
and a3, a3, SZREG-1
beq a3, zero, 1f # skip if word aligned
PTR_SUBU a1, a1, a3 # subtract from remaining count
REG_SHI zero, 0(a0) # clear 1, 2, or 3 bytes to align
PTR_ADDU a0, a0, a3
1:
and v0, a1, SZREG-1 # compute number of words left
PTR_SUBU a3, a1, v0
move a1, v0
PTR_ADDU a3, a3, a0 # compute ending address
2:
PTR_ADDU a0, a0, SZREG # clear words
bne a0, a3, 2b # unrolling loop doesnt help
REG_S zero, -SZREG(a0) # since we are limited by memory speed
smallclr:
ble a1, zero, 2f
PTR_ADDU a3, a1, a0 # compute ending address
1:
PTR_ADDU a0, a0, 1 # clear bytes
bne a0, a3, 1b
sb zero, -1(a0)
2:
j ra
nop
END(bzero)

59
lib/libc/mips/string/ffs.S
View file

@ -1,59 +0,0 @@
/* $NetBSD: ffs.S,v 1.2 2009/12/14 00:39:00 matt Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)ffs.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: ffs.S,v 1.2 2009/12/14 00:39:00 matt Exp $")
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
/* bit = ffs(value) */
LEAF(ffs)
move v0, zero
beq a0, zero, done
1:
and v1, a0, 1 # bit set?
addu v0, v0, 1
srl a0, a0, 1
beq v1, zero, 1b # no, continue
done:
j ra
END(ffs)

7
lib/libc/mips/string/memcpy.S
View file

@ -1,7 +0,0 @@
/* $NetBSD: memcpy.S,v 1.1 2005/12/20 19:28:50 christos Exp $ */
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#define MEMCOPY
#include "bcopy.S"

7
lib/libc/mips/string/memmove.S
View file

@ -1,7 +0,0 @@
/* $NetBSD: memmove.S,v 1.1 2005/12/20 19:28:50 christos Exp $ */
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#define MEMMOVE
#include "bcopy.S"

66
lib/libc/mips/string/strchr.S
View file

@ -1,66 +0,0 @@
/* $NetBSD: index.S,v 1.8 2005/04/22 06:59:00 simonb Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)index.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: index.S,v 1.8 2005/04/22 06:59:00 simonb Exp $")
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
/*
* char *
* strchr(const char *s, int c);
*/
LEAF(strchr)
and a1, a1, 0xff
1:
lbu a2, 0(a0) # get a byte
PTR_ADDU a0, a0, 1
beq a2, a1, fnd
bne a2, zero, 1b
notfnd:
move v0, zero
j ra
fnd:
PTR_SUBU v0, a0, 1
j ra
END(strchr)
WEAK_ALIAS(index, strchr)

68
lib/libc/mips/string/strcmp.S
View file

@ -1,68 +0,0 @@
/* $NetBSD: strcmp.S,v 1.2 2009/12/14 00:39:00 matt Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)strcmp.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: strcmp.S,v 1.2 2009/12/14 00:39:00 matt Exp $")
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
/*
* NOTE: this version assumes unsigned chars in order to be "8 bit clean".
*/
LEAF(strcmp)
1:
lbu t0, 0(a0) # get two bytes and compare them
lbu t1, 0(a1)
beq t0, zero, LessOrEq # end of first string?
bne t0, t1, NotEq
lbu t0, 1(a0) # unroll loop
lbu t1, 1(a1)
PTR_ADD a0, a0, 2
beq t0, zero, LessOrEq # end of first string?
PTR_ADD a1, a1, 2
beq t0, t1, 1b
NotEq:
subu v0, t0, t1
j ra
LessOrEq:
subu v0, zero, t1
j ra
END(strcmp)

55
lib/libc/mips/string/strlen.S
View file

@ -1,55 +0,0 @@
/* $NetBSD: strlen.S,v 1.2 2009/12/14 00:39:00 matt Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)strlen.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: strlen.S,v 1.2 2009/12/14 00:39:00 matt Exp $")
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
LEAF(strlen)
PTR_ADDU v1, a0, 1
1:
lb v0, 0(a0) # get byte from string
PTR_ADDU a0, a0, 1 # increment pointer
bne v0, zero, 1b # continue if not end
PTR_SUBU v0, a0, v1 # compute length - 1 for '\0' char
j ra
END(strlen)

64
lib/libc/mips/string/strrchr.S
View file

@ -1,64 +0,0 @@
/* $NetBSD: rindex.S,v 1.7 2003/08/07 16:42:16 agc Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)rindex.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: rindex.S,v 1.7 2003/08/07 16:42:16 agc Exp $")
#endif /* LIBC_SCCS and not lint */
#ifdef __ABICALLS__
.abicalls
#endif
/*
* char *
* strrchr(const char *s, int c);
*/
LEAF(strrchr)
move v0, zero # default if not found
and a1, a1, 0xff
1:
lbu a3, 0(a0) # get a byte
PTR_ADDU a0, a0, 1
bne a3, a1, 2f
PTR_SUBU v0, a0, 1 # save address of last match
2:
bne a3, zero, 1b # continue if not end
j ra
END(strrchr)
WEAK_ALIAS(rindex, strrchr)

9
lib/libc/mips/sys/Makefile.inc
View file

@ -1,9 +0,0 @@
# $FreeBSD$
SRCS+= trivial-vdso_tc.c \
sched_getcpu_gen.c
MDASM= Ovfork.S cerror.S syscall.S
# Don't generate default code for these syscalls:
NOASM+= sbrk.o vfork.o

64
lib/libc/mips/sys/Ovfork.S
View file

@ -1,64 +0,0 @@
/* $NetBSD: compat_Ovfork.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#include "SYS.h"
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)Ovfork.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: compat_Ovfork.S,v 1.1 2005/09/17 11:49:39 tsutsui Exp $")
#endif /* LIBC_SCCS and not lint */
/*
* pid = vfork();
*
* v1 == 0 in parent process, v1 == 1 in child process.
* v0 == pid of child in parent, v0 == pid of parent in child.
*/
LEAF(__sys_vfork)
WEAK_ALIAS(vfork, __sys_vfork)
WEAK_ALIAS(_vfork, __sys_vfork)
PIC_PROLOGUE(__sys_vfork)
li v0, SYS_vfork # system call number for vfork
syscall
beq a3, zero, 1f # jump if no errors
PIC_TAILCALL(__cerror)
1:
beq v1, zero, 2f # parent process ?
move v0, zero # return zero in child
2:
PIC_RETURN()
END(__sys_vfork)

72
lib/libc/mips/sys/cerror.S
View file

@ -1,72 +0,0 @@
/* $NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#include "SYS.h"
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
RCSID("from: @(#)cerror.s 8.1 (Berkeley) 6/16/93")
#else
RCSID("$NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $")
#endif
#endif /* LIBC_SCCS and not lint */
.globl _C_LABEL(__error)
NESTED_NOPROFILE(__cerror, CALLFRAME_SIZ, ra)
.mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
SETUP_GP
PTR_SUBU sp, sp, CALLFRAME_SIZ
SETUP_GP64(CALLFRAME_GP, __cerror)
SAVE_GP(CALLFRAME_GP)
PTR_S ra, CALLFRAME_RA(sp)
REG_S v0, CALLFRAME_S0(sp) # save errno value
PTR_LA t9, _C_LABEL(__error) # locate address of errno
jalr t9
REG_L t0, CALLFRAME_S0(sp)
PTR_L ra, CALLFRAME_RA(sp)
INT_S t0, 0(v0) # update errno value
RESTORE_GP64
PTR_ADDU sp, sp, CALLFRAME_SIZ
li v0, -1
li v1, -1
j ra
END(__cerror)

44
lib/libc/mips/sys/syscall.S
View file

@ -1,44 +0,0 @@
/* $NetBSD: syscall.S,v 1.5 2003/08/07 16:42:18 agc Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Ralph Campbell.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <machine/asm.h>
__FBSDID("$FreeBSD$");
#include "SYS.h"
#if defined(LIBC_SCCS) && !defined(lint)
ASMSTR("from: @(#)syscall.s 8.1 (Berkeley) 6/4/93")
ASMSTR("$NetBSD: syscall.S,v 1.5 2003/08/07 16:42:18 agc Exp $")
#endif /* LIBC_SCCS and not lint */
RSYSCALL(syscall)