qemuriscv64: Add the QEMU RISC-V 64-bit machine

The include is split ready to add the 32-bit RISC-V machine as soon as
glibc supports 32-bit RISC-V.

This is based on the work in the meta-riscv layer, thanks to Khem for
starting this.

(From OE-Core rev: 11b6020dff4550fc3a42e04bc1e86baf37942c62)

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/meta/conf/machine/include/riscv/arch-riscv.inc b/meta/conf/machine/include/riscv/arch-riscv.inc
new file mode 100644
index 0000000000..19f8f3e211
--- /dev/null
+++ b/meta/conf/machine/include/riscv/arch-riscv.inc
@@ -0,0 +1,10 @@
+# RISCV Architecture definition
+
+DEFAULTTUNE ?= "riscv64"
+
+TUNE_ARCH = "${TUNE_ARCH_tune-${DEFAULTTUNE}}"
+TUNE_PKGARCH = "${TUNE_PKGARCH_tune-${DEFAULTTUNE}}"
+TUNE_CCARGS .= ""
+
+# QEMU usermode fails with invalid instruction error (For riscv32)
+MACHINE_FEATURES_BACKFILL_CONSIDERED_append = "${@bb.utils.contains('TUNE_FEATURES', 'riscv32', ' qemu-usermode', '', d)}"