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-rw-r--r--.travis.yml5
-rw-r--r--Makefile7
-rw-r--r--README.md6
-rw-r--r--kernel/register.cc40
-rw-r--r--tests/various/gzip_verilog.v.gzbin0 -> 82 bytes
-rw-r--r--tests/various/gzip_verilog.ys2
6 files changed, 57 insertions, 3 deletions
diff --git a/.travis.yml b/.travis.yml
index 957735f1d..4102f05fe 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -36,6 +36,7 @@ matrix:
- libboost-system-dev
- libboost-python-dev
- libboost-filesystem-dev
+ - zlib1g-dev
env:
- MATRIX_EVAL="CONFIG=gcc && CC=gcc-4.8 && CXX=g++-4.8"
@@ -64,6 +65,7 @@ matrix:
- libboost-system-dev
- libboost-python-dev
- libboost-filesystem-dev
+ - zlib1g-dev
env:
- MATRIX_EVAL="CONFIG=gcc && CC=gcc-6 && CXX=g++-6"
@@ -92,6 +94,7 @@ matrix:
- libboost-system-dev
- libboost-python-dev
- libboost-filesystem-dev
+ - zlib1g-dev
env:
- MATRIX_EVAL="CONFIG=gcc && CC=gcc-7 && CXX=g++-7"
@@ -121,6 +124,7 @@ matrix:
- libboost-system-dev
- libboost-python-dev
- libboost-filesystem-dev
+ - zlib1g-dev
env:
- MATRIX_EVAL="CONFIG=clang && CC=clang-3.8 && CXX=clang++-3.8"
@@ -149,6 +153,7 @@ matrix:
- libboost-system-dev
- libboost-python-dev
- libboost-filesystem-dev
+ - zlib1g-dev
env:
- MATRIX_EVAL="CONFIG=clang && CC=clang-5.0 && CXX=clang++-5.0"
diff --git a/Makefile b/Makefile
index d33f27b63..ea804e0d5 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,7 @@ ENABLE_VERIFIC := 0
ENABLE_COVER := 1
ENABLE_LIBYOSYS := 0
ENABLE_PROTOBUF := 0
+ENABLE_ZLIB := 1
# python wrappers
ENABLE_PYOSYS := 0
@@ -384,6 +385,12 @@ ifeq ($(ENABLE_GLOB),1)
CXXFLAGS += -DYOSYS_ENABLE_GLOB
endif
+ifeq ($(ENABLE_ZLIB),1)
+CXXFLAGS += -DYOSYS_ENABLE_ZLIB
+LDLIBS += -lz
+endif
+
+
ifeq ($(ENABLE_TCL),1)
TCL_VERSION ?= tcl$(shell bash -c "tclsh <(echo 'puts [info tclversion]')")
ifeq ($(OS), FreeBSD)
diff --git a/README.md b/README.md
index 9e221be38..2a7081304 100644
--- a/README.md
+++ b/README.md
@@ -67,13 +67,13 @@ prerequisites for building yosys:
$ sudo apt-get install build-essential clang bison flex \
libreadline-dev gawk tcl-dev libffi-dev git \
graphviz xdot pkg-config python3 libboost-system-dev \
- libboost-python-dev libboost-filesystem-dev
+ libboost-python-dev libboost-filesystem-dev zlib1g-dev
Similarily, on Mac OS X MacPorts or Homebrew can be used to install dependencies:
$ brew tap Homebrew/bundle && brew bundle
$ sudo port install bison flex readline gawk libffi \
- git graphviz pkgconfig python36 boost
+ git graphviz pkgconfig python36 boost zlib
On FreeBSD use the following command to install all prerequisites:
@@ -85,7 +85,7 @@ On FreeBSD system use gmake instead of make. To run tests use:
For Cygwin use the following command to install all prerequisites, or select these additional packages:
- setup-x86_64.exe -q --packages=bison,flex,gcc-core,gcc-g++,git,libffi-devel,libreadline-devel,make,pkg-config,python3,tcl-devel,boost-build
+ setup-x86_64.exe -q --packages=bison,flex,gcc-core,gcc-g++,git,libffi-devel,libreadline-devel,make,pkg-config,python3,tcl-devel,boost-build,zlib-devel
There are also pre-compiled Yosys binary packages for Ubuntu and Win32 as well
as a source distribution for Visual Studio. Visit the Yosys download page for
diff --git a/kernel/register.cc b/kernel/register.cc
index 26da96b95..4f1501330 100644
--- a/kernel/register.cc
+++ b/kernel/register.cc
@@ -25,6 +25,26 @@
#include <stdio.h>
#include <errno.h>
+#ifdef YOSYS_ENABLE_ZLIB
+#include <zlib.h>
+
+PRIVATE_NAMESPACE_BEGIN
+#define GZ_BUFFER_SIZE 8192
+void decompress_gzip(const std::string &filename, std::stringstream &out)
+{
+ char buffer[GZ_BUFFER_SIZE];
+ int bytes_read;
+ gzFile gzf = gzopen(filename.c_str(), "rb");
+ while(!gzeof(gzf)) {
+ bytes_read = gzread(gzf, reinterpret_cast<void *>(buffer), GZ_BUFFER_SIZE);
+ out.write(buffer, bytes_read);
+ }
+ gzclose(gzf);
+}
+PRIVATE_NAMESPACE_END
+
+#endif
+
YOSYS_NAMESPACE_BEGIN
#define MAX_REG_COUNT 1000
@@ -436,6 +456,26 @@ void Frontend::extra_args(std::istream *&f, std::string &filename, std::vector<s
delete ff;
else
f = ff;
+ // Check for gzip magic
+ unsigned char magic[3];
+ int n = readsome(*ff, reinterpret_cast<char*>(magic), 3);
+ if (n == 3 && magic[0] == 0x1f && magic[1] == 0x8b) {
+#ifdef YOSYS_ENABLE_ZLIB
+ log("Found gzip magic in file `%s', decompressing using zlib.\n", filename.c_str());
+ if (magic[2] != 8)
+ log_cmd_error("gzip file `%s' uses unsupported compression type %02x\n",
+ filename.c_str(), unsigned(magic[2]));
+ delete ff;
+ std::stringstream *df = new std::stringstream();
+ decompress_gzip(filename, *df);
+ f = df;
+#else
+ log_cmd_error("File `%s' is a gzip file, but Yosys is compiled without zlib.\n", filename.c_str());
+#endif
+ } else {
+ ff->clear();
+ ff->seekg(0, std::ios::beg);
+ }
}
if (f == NULL)
log_cmd_error("Can't open input file `%s' for reading: %s\n", filename.c_str(), strerror(errno));
diff --git a/tests/various/gzip_verilog.v.gz b/tests/various/gzip_verilog.v.gz
new file mode 100644
index 000000000..c52a95358
--- /dev/null
+++ b/tests/various/gzip_verilog.v.gz
Binary files differ
diff --git a/tests/various/gzip_verilog.ys b/tests/various/gzip_verilog.ys
new file mode 100644
index 000000000..870317e80
--- /dev/null
+++ b/tests/various/gzip_verilog.ys
@@ -0,0 +1,2 @@
+read_verilog gzip_verilog.v.gz
+select -assert-any top