From: Palmer Dabbelt <palmer@dabbelt.com>
To: libc-alpha@sourceware.org, joseph@codesourcery.com
Cc: patches@groups.riscv.org, Andrew Waterman <andrew@sifive.com>,
dj@redhat.com, Darius Rad <darius@bluespec.com>,
Palmer Dabbelt <palmer@dabbelt.com>
Subject: [PATCH v6 02/16] Skeleton documentation for the RISC-V port
Date: Fri, 26 Jan 2018 05:45:00 -0000 [thread overview]
Message-ID: <20180126054443.22702-3-palmer@dabbelt.com> (raw)
In-Reply-To: <20180126054443.22702-1-palmer@dabbelt.com>
During the upstreaming process it was suggested that I add a handful of
small documentation entries about the RISC-V port, which I've collected
here.
2018-01-13 Palmer Dabbelt <palmer@sifive.com>
* manual/math.texi: RISC-V supports _Float128 and _Float64x
---
NEWS | 16 ++++++++++++----
README | 1 +
manual/math.texi | 2 +-
3 files changed, 14 insertions(+), 5 deletions(-)
diff --git a/NEWS b/NEWS
index ecefc5236489..6f3b9b0c8bac 100644
--- a/NEWS
+++ b/NEWS
@@ -41,13 +41,13 @@ Major new features:
process aborts as the result of assertion failures.
* On platforms where long double has the IEEE binary128 format (aarch64,
- alpha, mips64, s390 and sparc), the math library now implements _Float128
- interfaces for that type, as defined by ISO/IEC TS 18661-3:2015. These
- are the same interfaces added in version 2.26 for some platforms where
+ alpha, mips64, riscv, s390 and sparc), the math library now implements
+ _Float128 interfaces for that type, as defined by ISO/IEC TS 18661-3:2015.
+ These are the same interfaces added in version 2.26 for some platforms where
this format is supported but is not the format of long double.
* On platforms with support for _Float64x (aarch64, alpha, i386, ia64,
- mips64, powerpc64le, s390, sparc and x86_64), the math library now
+ mips64, powerpc64le, riscv, s390, sparc and x86_64), the math library now
implements interfaces for that type, as defined by ISO/IEC TS
18661-3:2015. These are corresponding interfaces to those supported for
_Float128.
@@ -98,6 +98,14 @@ Major new features:
to fail to load locales and fall back to the builtin C/POSIX locales.
See notes below for other changes affecting compatibility.
+* Support for the RISC-V ISA running on Linux has been added. This port
+ requires at least binutils-2.30, gcc-7.3.0, and linux-4.15; and is supported
+ for the following ISA and ABI pairs:
+
+ - rv64imac lp64
+ - rv64imafdc lp64
+ - rv64imafdc lp64d
+
Deprecated and removed features, and other changes affecting compatibility:
* Statically compiled applications attempting to load locales compiled for the
diff --git a/README b/README
index d0e99ea7d5a0..81fe52f08dfa 100644
--- a/README
+++ b/README
@@ -39,6 +39,7 @@ The GNU C Library supports these configurations for using Linux kernels:
powerpc64*-*-linux-gnu Big-endian and little-endian.
s390-*-linux-gnu
s390x-*-linux-gnu
+ riscv64-*-linux-gnu
sh[34]-*-linux-gnu
sparc*-*-linux-gnu
sparc64*-*-linux-gnu
diff --git a/manual/math.texi b/manual/math.texi
index a9f2a9813832..d19a14b47dc3 100644
--- a/manual/math.texi
+++ b/manual/math.texi
@@ -70,7 +70,7 @@ provided for @code{_Float32}, @code{_Float64} and @code{_Float32x} on
all platforms.
It is also provided for @code{_Float128} and @code{_Float64x} on
powerpc64le (PowerPC 64-bits little-endian), x86_64, x86, ia64,
-aarch64, alpha, mips64, s390 and sparc.
+aarch64, alpha, mips64, riscv, s390 and sparc.
@menu
* Mathematical Constants:: Precise numeric values for often-used
--
2.13.6
next prev parent reply other threads:[~2018-01-26 5:45 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-26 5:44 RISC-V glibc port, v6 Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 03/16] Add RISC-V entries to config.h.in Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 11/16] RISC-V: Linux Syscall Interface Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 05/16] RISC-V: ABI Implementation Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 06/16] RISC-V: Startup and Dynamic Loading Code Palmer Dabbelt
2018-01-26 5:45 ` Palmer Dabbelt [this message]
2018-01-26 5:45 ` [PATCH v6 16/16] Add RISC-V to build-many-glibcs.py Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 15/16] RISC-V: Build Infastructure Palmer Dabbelt
2018-01-26 13:15 ` Joseph Myers
2018-01-26 18:00 ` Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 04/16] Add documentation for __riscv_flush_icache Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 12/16] RISC-V: Linux ABI Palmer Dabbelt
2018-01-26 13:12 ` Joseph Myers
2018-01-26 18:05 ` Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 10/16] RISC-V: Atomic and Locking Routines Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 01/16] sysdeps/init_array: Add PREINIT_FUNCTION to crti.S Palmer Dabbelt
2018-01-26 12:56 ` Joseph Myers
2018-01-26 17:54 ` Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 13/16] RISC-V: Linux Startup and Dynamic Loading Code Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 07/16] RISC-V: Thread-Local Storage Support Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 09/16] RISC-V: Hard Float Support Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 08/16] RISC-V: Generic <math.h> and soft-fp Routines Palmer Dabbelt
2018-01-26 13:10 ` Joseph Myers
2018-01-26 18:03 ` Palmer Dabbelt
2018-01-26 5:45 ` [PATCH v6 14/16] RISC-V: Add ABI Lists Palmer Dabbelt
2018-01-26 12:49 ` RISC-V glibc port, v6 Joseph Myers
2018-01-26 17:51 ` Palmer Dabbelt
2018-01-26 15:05 ` Joseph Myers
2018-01-26 18:18 ` Palmer Dabbelt
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