diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2016-11-19 16:05:55 +0000 |
---|---|---|
committer | Dimitry Andric <dim@FreeBSD.org> | 2016-11-19 16:05:55 +0000 |
commit | 67bc8c8b9e69bc53221a9bd914e418d81d6cdc7d (patch) | |
tree | 7d222a83de8d7e5d1465e33f3c24660799770c92 /lib | |
parent | 2828dafcf3e7b225b70cbb380eb8c7dae452493e (diff) | |
parent | 57b28934e964b15f1fcd91734c6dbef762222079 (diff) | |
download | src-67bc8c8b9e69bc53221a9bd914e418d81d6cdc7d.tar.gz src-67bc8c8b9e69bc53221a9bd914e418d81d6cdc7d.zip |
Merge ^/head r308491 through r308841.
Notes
Notes:
svn path=/projects/clang390-import/; revision=308842
Diffstat (limited to 'lib')
26 files changed, 760 insertions, 154 deletions
diff --git a/lib/csu/mips/crti.S b/lib/csu/mips/crti.S index cada08d7d46f..1553f9e13b91 100644 --- a/lib/csu/mips/crti.S +++ b/lib/csu/mips/crti.S @@ -1,6 +1,7 @@ #include <machine/asm.h> __FBSDID("$FreeBSD$"); + .gnu_attribute 4, 0 .section .init,"ax",%progbits .align 4 .globl _init diff --git a/lib/csu/mips/crtn.S b/lib/csu/mips/crtn.S index 8d190f811e2e..8cef67ffec08 100644 --- a/lib/csu/mips/crtn.S +++ b/lib/csu/mips/crtn.S @@ -1,6 +1,7 @@ #include <machine/asm.h> __FBSDID("$FreeBSD$"); + .gnu_attribute 4, 0 .section .init,"ax",%progbits .align 4 .set noreorder diff --git a/lib/libc/Makefile b/lib/libc/Makefile index 99ddfc2e8f7f..377a6ee6cd11 100644 --- a/lib/libc/Makefile +++ b/lib/libc/Makefile @@ -111,7 +111,8 @@ NOASM= .include "${LIBC_SRCTOP}/xdr/Makefile.inc" .if (${LIBC_ARCH} == "arm" && \ (${MACHINE_ARCH:Marmv6*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ - (${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") + (${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") || \ + (${LIBC_ARCH} == "riscv" && ${MACHINE_ARCH:Mriscv*sf} != "") .include "${LIBC_SRCTOP}/softfloat/Makefile.inc" .endif .if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" diff --git a/lib/libc/riscv/Makefile.inc b/lib/libc/riscv/Makefile.inc index b22190353e32..105839021b96 100644 --- a/lib/libc/riscv/Makefile.inc +++ b/lib/libc/riscv/Makefile.inc @@ -3,6 +3,10 @@ # Machine dependent definitions for the RISC-V architecture. # +.if ${MACHINE_ARCH:Mriscv*sf} != "" +CFLAGS+=-DSOFTFLOAT +.endif + # Long double is quad precision GDTOASRCS+=strtorQ.c MDSRCS+=machdep_ldisQ.c diff --git a/lib/libc/riscv/Symbol.map b/lib/libc/riscv/Symbol.map index 669dad37983f..b959072e7e0c 100644 --- a/lib/libc/riscv/Symbol.map +++ b/lib/libc/riscv/Symbol.map @@ -35,4 +35,22 @@ FBSDprivate_1.0 { _set_tp; _end; __makecontext; + + /* softfloat */ + __addsf3; + __adddf3; + __subsf3; + __subdf3; + __mulsf3; + __muldf3; + __divsf3; + __divdf3; + __floatsisf; + __floatsidf; + __fixsfsi; + __fixdfsi; + __fixunssfsi; + __fixunsdfsi; + __extendsfdf2; + __truncdfsf2; }; diff --git a/lib/libc/riscv/gen/_setjmp.S b/lib/libc/riscv/gen/_setjmp.S index 1fa064d2ecf2..4e82ae420850 100644 --- a/lib/libc/riscv/gen/_setjmp.S +++ b/lib/libc/riscv/gen/_setjmp.S @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com> * All rights reserved. * * Portions of this software were developed by SRI International and the @@ -61,25 +61,22 @@ ENTRY(_setjmp) sd ra, (12 * 8)(a0) addi a0, a0, (13 * 8) -#ifndef _STANDALONE -#if 0 - /* RISCVTODO */ - /* Store the vfp registers */ - fsq fs0, (0 * 16)(a0) - fsq fs1, (1 * 16)(a0) - fsq fs2, (2 * 16)(a0) - fsq fs3, (3 * 16)(a0) - fsq fs4, (4 * 16)(a0) - fsq fs5, (5 * 16)(a0) - fsq fs6, (6 * 16)(a0) - fsq fs7, (7 * 16)(a0) - fsq fs8, (8 * 16)(a0) - fsq fs9, (9 * 16)(a0) - fsq fs10, (10 * 16)(a0) - fsq fs11, (11 * 16)(a0) +#if !defined(_STANDALONE) && !defined(SOFTFLOAT) + /* Store the fpe registers */ + fsd fs0, (0 * 16)(a0) + fsd fs1, (1 * 16)(a0) + fsd fs2, (2 * 16)(a0) + fsd fs3, (3 * 16)(a0) + fsd fs4, (4 * 16)(a0) + fsd fs5, (5 * 16)(a0) + fsd fs6, (6 * 16)(a0) + fsd fs7, (7 * 16)(a0) + fsd fs8, (8 * 16)(a0) + fsd fs9, (9 * 16)(a0) + fsd fs10, (10 * 16)(a0) + fsd fs11, (11 * 16)(a0) addi a0, a0, (12 * 16) #endif -#endif /* Return value */ li a0, 0 @@ -117,25 +114,22 @@ ENTRY(_longjmp) ld ra, (12 * 8)(a0) addi a0, a0, (13 * 8) -#ifndef _STANDALONE -#if 0 - /* RISCVTODO */ - /* Restore the vfp registers */ - flq fs0, (0 * 16)(a0) - flq fs1, (1 * 16)(a0) - flq fs2, (2 * 16)(a0) - flq fs3, (3 * 16)(a0) - flq fs4, (4 * 16)(a0) - flq fs5, (5 * 16)(a0) - flq fs6, (6 * 16)(a0) - flq fs7, (7 * 16)(a0) - flq fs8, (8 * 16)(a0) - flq fs9, (9 * 16)(a0) - flq fs10, (10 * 16)(a0) - flq fs11, (11 * 16)(a0) +#if !defined(_STANDALONE) && !defined(SOFTFLOAT) + /* Restore the fpe registers */ + fld fs0, (0 * 16)(a0) + fld fs1, (1 * 16)(a0) + fld fs2, (2 * 16)(a0) + fld fs3, (3 * 16)(a0) + fld fs4, (4 * 16)(a0) + fld fs5, (5 * 16)(a0) + fld fs6, (6 * 16)(a0) + fld fs7, (7 * 16)(a0) + fld fs8, (8 * 16)(a0) + fld fs9, (9 * 16)(a0) + fld fs10, (10 * 16)(a0) + fld fs11, (11 * 16)(a0) addi a0, a0, (12 * 16) #endif -#endif /* Load the return value */ mv a0, a1 diff --git a/lib/libc/riscv/gen/flt_rounds.c b/lib/libc/riscv/gen/flt_rounds.c index 179963cfa29e..13bb8b2a1796 100644 --- a/lib/libc/riscv/gen/flt_rounds.c +++ b/lib/libc/riscv/gen/flt_rounds.c @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com> * All rights reserved. * * Portions of this software were developed by SRI International and the @@ -40,23 +40,24 @@ __FBSDID("$FreeBSD$"); #include <fenv.h> #include <float.h> +#ifdef SOFTFLOAT +#include "softfloat-for-gcc.h" +#include "milieu.h" +#include "softfloat.h" +#endif + int __flt_rounds(void) { -#if 0 - uint64_t fcsr; -#endif - int mode; + uint64_t mode; -#if 0 - __asm __volatile("csrr %0, fcsr" : "=r" (fcsr)); - mode = (fcsr & _ROUND_MASK); +#ifdef SOFTFLOAT + mode = __softfloat_float_rounding_mode; +#else + __asm __volatile("csrr %0, fcsr" : "=r" (mode)); #endif - /* RISCVTODO */ - mode = FE_TOWARDZERO; /* softfloat rounding mode */ - - switch (mode) { + switch (mode & _ROUND_MASK) { case FE_TOWARDZERO: return (0); case FE_TONEAREST: diff --git a/lib/libc/riscv/gen/setjmp.S b/lib/libc/riscv/gen/setjmp.S index de8d7b5d5190..9d97b51de6b6 100644 --- a/lib/libc/riscv/gen/setjmp.S +++ b/lib/libc/riscv/gen/setjmp.S @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com> * All rights reserved. * * Portions of this software were developed by SRI International and the @@ -75,21 +75,20 @@ ENTRY(setjmp) sd ra, (12 * 8)(a0) addi a0, a0, (13 * 8) -#if 0 - /* RISCVTODO */ - /* Store the vfp registers */ - fsq fs0, (0 * 16)(a0) - fsq fs1, (1 * 16)(a0) - fsq fs2, (2 * 16)(a0) - fsq fs3, (3 * 16)(a0) - fsq fs4, (4 * 16)(a0) - fsq fs5, (5 * 16)(a0) - fsq fs6, (6 * 16)(a0) - fsq fs7, (7 * 16)(a0) - fsq fs8, (8 * 16)(a0) - fsq fs9, (9 * 16)(a0) - fsq fs10, (10 * 16)(a0) - fsq fs11, (11 * 16)(a0) +#ifndef SOFTFLOAT + /* Store the fpe registers */ + fsd fs0, (0 * 16)(a0) + fsd fs1, (1 * 16)(a0) + fsd fs2, (2 * 16)(a0) + fsd fs3, (3 * 16)(a0) + fsd fs4, (4 * 16)(a0) + fsd fs5, (5 * 16)(a0) + fsd fs6, (6 * 16)(a0) + fsd fs7, (7 * 16)(a0) + fsd fs8, (8 * 16)(a0) + fsd fs9, (9 * 16)(a0) + fsd fs10, (10 * 16)(a0) + fsd fs11, (11 * 16)(a0) addi a0, a0, (12 * 16) #endif @@ -145,21 +144,20 @@ ENTRY(longjmp) ld ra, (12 * 8)(a0) addi a0, a0, (13 * 8) -#if 0 - /* RISCVTODO */ - /* Restore the vfp registers */ - flq fs0, (0 * 16)(a0) - flq fs1, (1 * 16)(a0) - flq fs2, (2 * 16)(a0) - flq fs3, (3 * 16)(a0) - flq fs4, (4 * 16)(a0) - flq fs5, (5 * 16)(a0) - flq fs6, (6 * 16)(a0) - flq fs7, (7 * 16)(a0) - flq fs8, (8 * 16)(a0) - flq fs9, (9 * 16)(a0) - flq fs10, (10 * 16)(a0) - flq fs11, (11 * 16)(a0) +#ifndef SOFTFLOAT + /* Restore the fpe registers */ + fld fs0, (0 * 16)(a0) + fld fs1, (1 * 16)(a0) + fld fs2, (2 * 16)(a0) + fld fs3, (3 * 16)(a0) + fld fs4, (4 * 16)(a0) + fld fs5, (5 * 16)(a0) + fld fs6, (6 * 16)(a0) + fld fs7, (7 * 16)(a0) + fld fs8, (8 * 16)(a0) + fld fs9, (9 * 16)(a0) + fld fs10, (10 * 16)(a0) + fld fs11, (11 * 16)(a0) addi a0, a0, (12 * 16) #endif diff --git a/lib/libc/riscv/softfloat/milieu.h b/lib/libc/riscv/softfloat/milieu.h new file mode 100644 index 000000000000..e97437bdc2d1 --- /dev/null +++ b/lib/libc/riscv/softfloat/milieu.h @@ -0,0 +1,48 @@ +/* $FreeBSD$ */ + +/* +=============================================================================== + +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 "riscv-gcc.h" + +/* +------------------------------------------------------------------------------- +Symbolic Boolean literals. +------------------------------------------------------------------------------- +*/ +enum { + FALSE = 0, + TRUE = 1 +}; diff --git a/lib/libc/riscv/softfloat/riscv-gcc.h b/lib/libc/riscv/softfloat/riscv-gcc.h new file mode 100644 index 000000000000..3fe1767e63cc --- /dev/null +++ b/lib/libc/riscv/softfloat/riscv-gcc.h @@ -0,0 +1,86 @@ +/* $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. +------------------------------------------------------------------------------- +*/ +#define LITTLEENDIAN + +/* +------------------------------------------------------------------------------- +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) +#define FLOAT64_DEMANGLE(a) (a) +#define FLOAT64_MANGLE(a) (a) +#endif diff --git a/lib/libc/riscv/softfloat/softfloat.h b/lib/libc/riscv/softfloat/softfloat.h new file mode 100644 index 000000000000..6aef49975a38 --- /dev/null +++ b/lib/libc/riscv/softfloat/softfloat.h @@ -0,0 +1,315 @@ +/* $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 + diff --git a/lib/libc/softfloat/Makefile.inc b/lib/libc/softfloat/Makefile.inc index f15e4d2a5a41..fa0ee9d2977f 100644 --- a/lib/libc/softfloat/Makefile.inc +++ b/lib/libc/softfloat/Makefile.inc @@ -12,8 +12,11 @@ CFLAGS+= -DSOFTFLOAT_FOR_GCC SRCS+= softfloat.c +# Deprecated FPU control interface +.if ${LIBC_ARCH} != "riscv" SRCS+= fpgetround.c fpsetround.c fpgetmask.c fpsetmask.c \ fpgetsticky.c +.endif SRCS+= eqsf2.c nesf2.c gtsf2.c gesf2.c ltsf2.c lesf2.c negsf2.c \ eqdf2.c nedf2.c gtdf2.c gedf2.c ltdf2.c ledf2.c negdf2.c \ diff --git a/lib/libc/sys/sendfile.2 b/lib/libc/sys/sendfile.2 index 2b52dd9c883c..313c349ee9ff 100644 --- a/lib/libc/sys/sendfile.2 +++ b/lib/libc/sys/sendfile.2 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd January 7, 2016 +.Dd November 17, 2016 .Dt SENDFILE 2 .Os .Sh NAME @@ -155,8 +155,33 @@ sleeps until the network stack no longer references the VM pages of the file, making subsequent modifications to it safe. Please note that this is not a guarantee that the data has actually been sent. +.It Dv SF_USER_READAHEAD +.Nm +has some internal heuristics to do readahead when sending data. +This flag forces +.Nm +to override any heuristically calculated readahead and use exactly the +application specified readahead. +See +.Sx SETTING READAHEAD +for more details on readahead. .El .Pp +When using a socket marked for non-blocking I/O, +.Fn sendfile +may send fewer bytes than requested. +In this case, the number of bytes successfully +written is returned in +.Fa *sbytes +(if specified), +and the error +.Er EAGAIN +is returned. +.Sh SETTING READAHEAD +.Nm +uses internal heuristics based on request size and file system layout +to do readahead. +Additionally application may request extra readahead. The most significant 16 bits of .Fa flags specify amount of pages that @@ -173,16 +198,13 @@ flag: SF_FLAGS(16, SF_NOCACHE) .Ed .Pp -When using a socket marked for non-blocking I/O, -.Fn sendfile -may send fewer bytes than requested. -In this case, the number of bytes successfully -written is returned in -.Fa *sbytes -(if specified), -and the error -.Er EAGAIN -is returned. +.Nm +will use either application specified readahead or internally calculated, +whichever is bigger. +Setting flag +.Dv SF_USER_READAHEAD +would turn off any heuristics and set maximum possible readahead length to +the number of pages specified via flags. .Sh IMPLEMENTATION NOTES The .Fx diff --git a/lib/libcapsicum/Makefile.depend b/lib/libcapsicum/Makefile.depend new file mode 100644 index 000000000000..f80275d86ab1 --- /dev/null +++ b/lib/libcapsicum/Makefile.depend @@ -0,0 +1,11 @@ +# $FreeBSD$ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/lib/libcompiler_rt/Makefile.inc b/lib/libcompiler_rt/Makefile.inc index f77fc84aaa6d..48116d60dc26 100644 --- a/lib/libcompiler_rt/Makefile.inc +++ b/lib/libcompiler_rt/Makefile.inc @@ -130,7 +130,7 @@ SRCF+= cpu_model # # 128-bit quad precision long double support, -# only used on arm64 and riscv. +# only used on some architectures. # .if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "riscv" SRCF+= addtf3 @@ -151,8 +151,9 @@ SRCF+= trunctfdf2 SRCF+= trunctfsf2 .endif -# These are already shipped by libc.a on arm and mips -.if ${MACHINE_CPUARCH} != "arm" && ${MACHINE_CPUARCH} != "mips" +# These are already shipped by libc.a on some architectures. +.if ${MACHINE_CPUARCH} != "arm" && ${MACHINE_CPUARCH} != "mips" && \ + ${MACHINE_CPUARCH} != "riscv" SRCF+= adddf3 SRCF+= addsf3 SRCF+= divdf3 diff --git a/lib/libefivar/Makefile.depend b/lib/libefivar/Makefile.depend new file mode 100644 index 000000000000..3646e2e2b1af --- /dev/null +++ b/lib/libefivar/Makefile.depend @@ -0,0 +1,18 @@ +# $FreeBSD$ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + gnu/lib/csu \ + gnu/lib/libgcc \ + include \ + include/xlocale \ + lib/${CSU_DIR} \ + lib/libc \ + lib/libcompiler_rt \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/lib/libgcc_eh/Makefile b/lib/libgcc_eh/Makefile index 04f99d9e85cf..9909e73c9375 100644 --- a/lib/libgcc_eh/Makefile +++ b/lib/libgcc_eh/Makefile @@ -5,6 +5,7 @@ PACKAGE= clibs LIB= gcc_eh NO_PIC= +MK_SSP= no WARNS?= 2 .include "Makefile.inc" diff --git a/lib/libgcc_s/Makefile b/lib/libgcc_s/Makefile index 6c57741e4d0a..e4887a631ded 100644 --- a/lib/libgcc_s/Makefile +++ b/lib/libgcc_s/Makefile @@ -1,9 +1,10 @@ # $FreeBSD$ -PKG= clibs +PACKAGE= clibs SHLIB_NAME= libgcc_s.so.1 SHLIBDIR?= /lib +MK_SSP= no WARNS?= 2 LDFLAGS+= -nodefaultlibs diff --git a/lib/libsysdecode/Makefile b/lib/libsysdecode/Makefile index 5e0590e912f8..b84ef4e615b8 100644 --- a/lib/libsysdecode/Makefile +++ b/lib/libsysdecode/Makefile @@ -110,10 +110,16 @@ CFLAGS.gcc.ioctl.c+= -Wno-unused CFLAGS.gcc+= ${CFLAGS.gcc.${.IMPSRC}} +DEPENDOBJS+= tables.h tables.h: mktables - sh ${.CURDIR}/mktables ${DESTDIR}${INCLUDEDIR} > ${.TARGET} + sh ${.CURDIR}/mktables ${DESTDIR}${INCLUDEDIR} ${.TARGET} -ioctl.c: mkioctls +# mkioctls runs find(1) for headers so needs to rebuild every time. This used +# to be a hack only done in buildworld. +.if !defined(_SKIP_BUILD) +ioctl.c: .PHONY +.endif +ioctl.c: mkioctls .META env MACHINE=${MACHINE} CPP="${CPP}" \ /bin/sh ${.CURDIR}/mkioctls ${DESTDIR}${INCLUDEDIR} > ${.TARGET} diff --git a/lib/libsysdecode/mktables b/lib/libsysdecode/mktables index 0cc2ff3dc770..e51ffe366022 100644 --- a/lib/libsysdecode/mktables +++ b/lib/libsysdecode/mktables @@ -37,11 +37,16 @@ LC_ALL=C; export LC_ALL if [ -z "$1" ] then - echo "usage: sh $0 include-dir" + echo "usage: sh $0 include-dir [output-file]" exit 1 fi include_dir=$1 +if [ -n "$2" ]; then + output_file="$2" + exec > "$output_file" +fi +all_headers= # # Generate a table C #definitions. The including file can define the # TABLE_NAME(n), TABLE_ENTRY(x), and TABLE_END macros to define what @@ -60,6 +65,7 @@ gen_table() else filter="egrep -v" fi + all_headers="${all_headers:+${all_headers} }${file}" cat <<_EOF_ TABLE_START(${name}) _EOF_ @@ -142,3 +148,12 @@ gen_table "sigcode" "SI_[A-Z]+[[:space:]]+0(x[0-9abcdef]+)?" "sys/ gen_table "umtxcvwaitflags" "CVWAIT_[A-Z_]+[[:space:]]+0x[0-9]+" "sys/umtx.h" gen_table "umtxrwlockflags" "URWLOCK_PREFER_READER[[:space:]]+0x[0-9]+" "sys/umtx.h" gen_table "caprights" "CAP_[A-Z_]+[[:space:]]+CAPRIGHT\([0-9],[[:space:]]+0x[0-9]{16}ULL\)" "sys/capsicum.h" + +# Generate a .depend file for our output file +if [ -n "$output_file" ]; then + echo "$output_file: \\" > ".depend.$output_file" + echo "$all_headers" | tr ' ' '\n' | sort -u | + sed -e "s,^, $include_dir/," -e 's,$, \\,' >> \ + ".depend.$output_file" + echo >> ".depend.$output_file" +fi diff --git a/lib/libutil/gr_util.c b/lib/libutil/gr_util.c index 93b3eb2f92fc..6153209eb2dc 100644 --- a/lib/libutil/gr_util.c +++ b/lib/libutil/gr_util.c @@ -141,7 +141,7 @@ gr_tmp(int mfd) errno = ENAMETOOLONG; return (-1); } - if ((tfd = mkostemp(tempname, O_SYNC)) == -1) + if ((tfd = mkostemp(tempname, 0)) == -1) return (-1); if (mfd != -1) { while ((nr = read(mfd, buf, sizeof(buf))) > 0) diff --git a/lib/libutil/pw_util.c b/lib/libutil/pw_util.c index 2838871d93f6..d7903281d7cc 100644 --- a/lib/libutil/pw_util.c +++ b/lib/libutil/pw_util.c @@ -225,7 +225,7 @@ pw_tmp(int mfd) errno = ENAMETOOLONG; return (-1); } - if ((tfd = mkostemp(tempname, O_SYNC)) == -1) + if ((tfd = mkostemp(tempname, 0)) == -1) return (-1); if (mfd != -1) { while ((nr = read(mfd, buf, sizeof(buf))) > 0) diff --git a/lib/msun/riscv/Makefile.inc b/lib/msun/riscv/Makefile.inc index 97d3302b96da..cd624918bed1 100644 --- a/lib/msun/riscv/Makefile.inc +++ b/lib/msun/riscv/Makefile.inc @@ -1,3 +1,8 @@ # $FreeBSD$ +.if ${MACHINE_ARCH:Mriscv*sf} != "" +CFLAGS+=-DSOFTFLOAT +.endif + LDBL_PREC = 113 +SYM_MAPS += ${.CURDIR}/riscv/Symbol.map diff --git a/lib/msun/riscv/Symbol.map b/lib/msun/riscv/Symbol.map new file mode 100644 index 000000000000..081294cf5562 --- /dev/null +++ b/lib/msun/riscv/Symbol.map @@ -0,0 +1,21 @@ +/* + * $FreeBSD$ + */ +FBSD_1.0 { +}; + +FBSD_1.3 { + feclearexcept; + fegetexceptflag; + fesetexceptflag; + feraiseexcept; + fetestexcept; + fegetround; + fesetround; + fegetenv; + feholdexcept; + feupdateenv; + feenableexcept; + fedisableexcept; + fegetexcept; +}; diff --git a/lib/msun/riscv/fenv.c b/lib/msun/riscv/fenv.c index a5a5c03d3a74..9bc0d7e35740 100644 --- a/lib/msun/riscv/fenv.c +++ b/lib/msun/riscv/fenv.c @@ -39,6 +39,14 @@ */ const fenv_t __fe_dfl_env = 0; +#ifdef SOFTFLOAT +#define __set_env(env, flags, mask, rnd) env = ((flags) | (rnd) << 5) +#define __env_flags(env) ((env) & FE_ALL_EXCEPT) +#define __env_mask(env) (0) /* No exception traps. */ +#define __env_round(env) (((env) >> 5) & _ROUND_MASK) +#include "fenv-softfloat.h" +#endif + extern inline int feclearexcept(int __excepts); extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts); extern inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts); @@ -50,3 +58,6 @@ extern inline int fegetenv(fenv_t *__envp); extern inline int feholdexcept(fenv_t *__envp); extern inline int fesetenv(const fenv_t *__envp); extern inline int feupdateenv(const fenv_t *__envp); +extern inline int feenableexcept(int __mask); +extern inline int fedisableexcept(int __mask); +extern inline int fegetexcept(void); diff --git a/lib/msun/riscv/fenv.h b/lib/msun/riscv/fenv.h index 3eae6c2ed164..e66aa1c57753 100644 --- a/lib/msun/riscv/fenv.h +++ b/lib/msun/riscv/fenv.h @@ -1,6 +1,6 @@ /*- * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> - * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> + * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com> * All rights reserved. * * Portions of this software were developed by SRI International and the @@ -59,11 +59,11 @@ typedef __uint64_t fexcept_t; /* * RISC-V Rounding modes */ -#define FE_TONEAREST (0x00 << 5) -#define FE_TOWARDZERO (0x01 << 5) -#define FE_DOWNWARD (0x02 << 5) -#define FE_UPWARD (0x03 << 5) #define _ROUND_SHIFT 5 +#define FE_TONEAREST (0x00 << _ROUND_SHIFT) +#define FE_TOWARDZERO (0x01 << _ROUND_SHIFT) +#define FE_DOWNWARD (0x02 << _ROUND_SHIFT) +#define FE_UPWARD (0x03 << _ROUND_SHIFT) #define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ FE_UPWARD | FE_TOWARDZERO) @@ -73,96 +73,117 @@ __BEGIN_DECLS extern const fenv_t __fe_dfl_env; #define FE_DFL_ENV (&__fe_dfl_env) -/* We need to be able to map status flag positions to mask flag positions */ -#define _FPUSW_SHIFT 0 -#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT) - -#define __rfs(__fpsr) __asm __volatile("csrr %0, fcsr" : "=r" (*(__fpsr))) -#define __wfs(__fpsr) __asm __volatile("csrw fcsr, %0" :: "r" (__fpsr)) +#ifndef SOFTFLOAT +#define __rfs(__fcsr) __asm __volatile("csrr %0, fcsr" : "=r" (__fcsr)) +#define __wfs(__fcsr) __asm __volatile("csrw fcsr, %0" :: "r" (__fcsr)) +#endif +#ifdef SOFTFLOAT +int feclearexcept(int __excepts); +int fegetexceptflag(fexcept_t *__flagp, int __excepts); +int fesetexceptflag(const fexcept_t *__flagp, int __excepts); +int feraiseexcept(int __excepts); +int fetestexcept(int __excepts); +int fegetround(void); +int fesetround(int __round); +int fegetenv(fenv_t *__envp); +int feholdexcept(fenv_t *__envp); +int fesetenv(const fenv_t *__envp); +int feupdateenv(const fenv_t *__envp); +#else __fenv_static inline int feclearexcept(int __excepts) { - fexcept_t __fpsr; - __rfs(&__fpsr); - __fpsr &= ~__excepts; - __wfs(__fpsr); + __asm __volatile("csrc fflags, %0" :: "r"(__excepts)); + return (0); } __fenv_static inline int fegetexceptflag(fexcept_t *__flagp, int __excepts) { - fexcept_t __fpsr; + fexcept_t __fcsr; + + __rfs(__fcsr); + *__flagp = __fcsr & __excepts; - __rfs(&__fpsr); - *__flagp = __fpsr & __excepts; return (0); } __fenv_static inline int fesetexceptflag(const fexcept_t *__flagp, int __excepts) { - fexcept_t __fpsr; + fexcept_t __fcsr; + + __fcsr = *__flagp; + __asm __volatile("csrc fflags, %0" :: "r"(__excepts)); + __asm __volatile("csrs fflags, %0" :: "r"(__fcsr & __excepts)); - __rfs(&__fpsr); - __fpsr &= ~__excepts; - __fpsr |= *__flagp & __excepts; - __wfs(__fpsr); return (0); } __fenv_static inline int feraiseexcept(int __excepts) { - fexcept_t __ex = __excepts; - fesetexceptflag(&__ex, __excepts); /* XXX */ + __asm __volatile("csrs fflags, %0" :: "r"(__excepts)); + return (0); } __fenv_static inline int fetestexcept(int __excepts) { - fexcept_t __fpsr; + fexcept_t __fcsr; + + __rfs(__fcsr); - __rfs(&__fpsr); - return (__fpsr & __excepts); + return (__fcsr & __excepts); } __fenv_static inline int fegetround(void) { + fexcept_t __fcsr; - return (-1); + __rfs(__fcsr); + + return (__fcsr & _ROUND_MASK); } __fenv_static inline int fesetround(int __round) { + fexcept_t __fcsr; - return (-1); + if (__round & ~_ROUND_MASK) + return (-1); + + __rfs(__fcsr); + __fcsr &= ~_ROUND_MASK; + __fcsr |= __round; + __wfs(__fcsr); + + return (0); } __fenv_static inline int fegetenv(fenv_t *__envp) { - __rfs(__envp); + __rfs(*__envp); + return (0); } __fenv_static inline int feholdexcept(fenv_t *__envp) { - fenv_t __env; - __rfs(&__env); - *__envp = __env; - __env &= ~(FE_ALL_EXCEPT | _ENABLE_MASK); - __wfs(__env); - return (0); + /* No exception traps. */ + + return (-1); } __fenv_static inline int @@ -170,56 +191,59 @@ fesetenv(const fenv_t *__envp) { __wfs(*__envp); + return (0); } __fenv_static inline int feupdateenv(const fenv_t *__envp) { - fexcept_t __fpsr; + fexcept_t __fcsr; - __rfs(&__fpsr); + __rfs(__fcsr); __wfs(*__envp); - feraiseexcept(__fpsr & FE_ALL_EXCEPT); + feraiseexcept(__fcsr & FE_ALL_EXCEPT); + return (0); } +#endif /* !SOFTFLOAT */ #if __BSD_VISIBLE /* We currently provide no external definitions of the functions below. */ +#ifdef SOFTFLOAT +int feenableexcept(int __mask); +int fedisableexcept(int __mask); +int fegetexcept(void); +#else static inline int feenableexcept(int __mask) { - fenv_t __old_fpsr; - fenv_t __new_fpsr; - __rfs(&__old_fpsr); - __new_fpsr = __old_fpsr | (__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT; - __wfs(__new_fpsr); - return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); + /* No exception traps. */ + + return (-1); } static inline int fedisableexcept(int __mask) { - fenv_t __old_fpsr; - fenv_t __new_fpsr; - __rfs(&__old_fpsr); - __new_fpsr = __old_fpsr & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); - __wfs(__new_fpsr); - return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); + /* No exception traps. */ + + return (0); } static inline int fegetexcept(void) { - fenv_t __fpsr; - __rfs(&__fpsr); - return ((__fpsr & _ENABLE_MASK) >> _FPUSW_SHIFT); + /* No exception traps. */ + + return (0); } +#endif /* !SOFTFLOAT */ #endif /* __BSD_VISIBLE */ |