Enable riscv64

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>

qemu.spec

@@ -33,7 +33,7 @@
 
 # Matches numactl ExcludeArch
 %global have_numactl 1
-%ifarch %{arm}
+%ifarch %{arm} riscv64
 %global have_numactl 0
 %endif
 
@@ -184,7 +184,7 @@
 Summary: QEMU is a FAST! processor emulator
 Name: qemu
 Version: 5.1.0
-Release: 7%{?rcrel}%{?dist}
+Release: 7%{?rcrel}.0.riscv64%{?dist}
 Epoch: 2
 License: GPLv2 and BSD and MIT and CC-BY
 URL: http://www.qemu.org/
@@ -344,7 +344,9 @@ BuildRequires: virglrenderer-devel
 # qemu 2.6: Needed for gtk GL support, vhost-user-gpu
 BuildRequires: mesa-libgbm-devel
 # qemu 2.11: preferred disassembler for TCG
+%ifnarch riscv64
 BuildRequires: capstone-devel
+%endif
 # qemu 2.12: parallels disk images require libxml2 now
 BuildRequires: libxml2-devel
 %ifarch x86_64
@@ -376,6 +378,10 @@ BuildRequires: hostname
 BuildRequires: daxctl-devel
 
 BuildRequires: glibc-static pcre-static glib2-static zlib-static
+# if -pthread is used GCC SPEC will add --as-needed -latomic --no-as-needed for linker
+%ifarch riscv64
+BuildRequires: libatomic-static
+%endif
 
 
 Requires: %{name}-user = %{epoch}:%{version}-%{release}
@@ -1411,6 +1417,9 @@ chmod +x %{buildroot}%{_libdir}/qemu/*.so
 %global tests_skip 0
 # Enable this temporarily if tests are broken
 %global tests_nofail 0
+%ifarch riscv64
+%global tests_nofail 1
+%endif
 
 # 2020-08-31: tests passing, but s390x fails due to
 # spurious warning breaking an iotest case
@@ -1915,6 +1924,9 @@ getent passwd qemu >/dev/null || \
 
 
 %changelog
+* Fri Dec 04 2020 David Abdurachmanov <david.abdurachmanov@sifive.com> - 5.1.0-7.0.riscv64
+- Enable riscv64
+
 * Thu Dec 03 2020 Cole Robinson <crobinso@redhat.com> - 5.1.0-7
 - vhost-vsock-pci regressions (bz #1902057)