For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Laikulo:cross-pru/openSUSE_Tumbleweed/home:Laikulo:cross-pru.repo
zypper refresh
zypper install cross-riscv64-gcc11-bootstrap
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Laikulo:cross-pru/openSUSE_Slowroll/home:Laikulo:cross-pru.repo
zypper refresh
zypper install cross-riscv64-gcc11-bootstrap
For 15.6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Laikulo:cross-pru/15.6/home:Laikulo:cross-pru.repo
zypper refresh
zypper install cross-riscv64-gcc11-bootstrap
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Laikulo:cross-pru/15.5/home:Laikulo:cross-pru.repo
zypper refresh
zypper install cross-riscv64-gcc11-bootstrap