irix-qemu.build

Building irix QEMU on Ubuntu 20 LTS
5.11.0-40-generic #44~20.04.2-Ubuntu


gh repo clone sgidevnet/qemu-irix

sudo apt-get install build-essential zlib1g-dev pkg-config libglib2.0-dev \
binutils-dev libboost-all-dev autoconf libtool libssl-dev libpixman-1-dev  \
python3-pip python-capstone python libncurses-dev libgcrypt-dev \
libcurl4-gnutls-dev libbz2-dev liblzo2-dev libsnappy-dev  libxml2-dev libsdl2-dev \
nettle-dev gnutls-bin libxml2 flex bison 

cd qemu-irix

[copy patches to local dir]


cat <<EOF > ./patch_configure.patch
diff --git a/configure b/configure
index b091b82cb3..6632d05fc7 100755
--- a/configure
+++ b/configure
@@ -5139,7 +5139,7 @@  fi
 sem_timedwait=no
 cat > $TMPC << EOF
 #include <semaphore.h>
-int main(void) { return sem_timedwait(0, 0); }
+int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
 EOF
 if compile_prog "" "" ; then
     sem_timedwait=yes
EOF


cat <<EOF > ./patch_sockets.patch
diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
index 9705051690..4322652428 100644
--- a/util/qemu-sockets.c
+++ b/util/qemu-sockets.c
@@ -877,7 +877,7 @@  static int unix_listen_saddr(UnixSocketAddress *saddr,
 
     memset(&un, 0, sizeof(un));
     un.sun_family = AF_UNIX;
-    strncpy(un.sun_path, path, sizeof(un.sun_path));
+    strncpy(un.sun_path, path, sizeof(un.sun_path) - 1);
 
     if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) {
         error_setg_errno(errp, errno, "Failed to bind socket to %s", path);
@@ -922,7 +922,7 @@  static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp)
 
     memset(&un, 0, sizeof(un));
     un.sun_family = AF_UNIX;
-    strncpy(un.sun_path, saddr->path, sizeof(un.sun_path));
+    strncpy(un.sun_path, saddr->path, sizeof(un.sun_path) - 1);
 
     /* connect to peer */
     do {
EOF



patch configure ./patch_configure.patch
patch util/qemu-sockets.c patch_sockets.patch

export CFLAGS="-Wno-deprecated-declarations -Wno-error"

make clean
./configure --target-list=irix-linux-user,irixn32-linux-user,irix64-linux-user,solaris-linux-user
make 
sudo make install

cd ~/

wget https://sgi-irix.s3.amazonaws.com/irix-6.5/full-installs/irix-6522.tar.7z
sudo apt install p7zip
p7zip -d ./irix-6522.tar.7z

# Get RSE and get patched libdicl from vladv
wget https://github.com/sgidevnet/sgug-rse/releases/download/v0.0.7beta/sgug-rse-selfhoster-0.0.7beta.tar.gz
wget https://misc.bitops.com/llvm-rpms/libdicl-0.1.so.0.0.0.gz



sudo groupadd -u 31310 sgug
sudo useradd -u 31310 sgug

sudo mkdir -p /opt/sgugbuild
sudo tar xf irix-6522-2.tar -C /opt/sgugbuild/
sudo tar zxf sgug-rse-selfhoster-0.0.7beta.tar.gz -C /opt/sgugbuild/usr

sudo su -

echo "sgug::31310:31310::/usr/people/sgug:/usr/sgug/bin/bash" >> /opt/sgugbuild/etc/passwd
echo "sgug::31310:sgug" >> /opt/sgugbuild/etc/group

exit
cd irix-qemu

sudo chroot --userspec=sgug:sgug /opt/sgugbuild/usr

* need to do: libdictl
* test sugshell


notes here :
https://hackmd.io/leeW9yR6Qbii4UjpLo3Enw