Per Anup Patel in [*]: > Currently, we only support running rv64 guest on rv64 host > and rv32 guest on rv32 host. > > In the future, we might support running rv32 guest on rv64 > host but as of now we don't see a strong push for it.
Therefore, when only using the KVM accelerator it is pointless to build qemu-system-riscv32 on a rv64 host (or qemu-system-riscv64 on a rv32 host). Restrict meson to only build the correct binary, avoiding to waste ressources building unusable code. [*] https://lore.kernel.org/qemu-devel/caahsdy2jerheeoec1xkqhpo3adz4ykeyqspt4s8ykjcyta+...@mail.gmail.com/ Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org> --- meson.build | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/meson.build b/meson.build index 649de244c6..a3ab614235 100644 --- a/meson.build +++ b/meson.build @@ -110,8 +110,10 @@ elif cpu in ['ppc', 'ppc64'] kvm_targets = ['ppc-softmmu', 'ppc64-softmmu'] elif cpu in ['mips', 'mips64'] kvm_targets = ['mips-softmmu', 'mipsel-softmmu', 'mips64-softmmu', 'mips64el-softmmu'] -elif cpu in ['riscv32', 'riscv64'] - kvm_targets = ['riscv32-softmmu', 'riscv64-softmmu'] +elif cpu in ['riscv32'] + kvm_targets = ['riscv32-softmmu'] +elif cpu in ['riscv64'] + kvm_targets = ['riscv64-softmmu'] else kvm_targets = [] endif -- 2.38.1
