make.sh: Add support for building on riscv64

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/make.sh b/make.sh
index 43cccaca0dee59a73d0e01a0b64b92844c632a60..f936326361427df0e4ade4600d3bf28617f1d15a 100755 (executable)
--- a/make.sh
+++ b/make.sh
@@ -177,6 +177,12 @@ configure_build() {
                        RUSTFLAGS="-Ccodegen-units=1"
                        ;;
 
+               riscv64)
+                       BUILDTARGET="${build_arch}-unknown-linux-gnu"
+                       CROSSTARGET="${build_arch}-cross-linux-gnu"
+                       BUILD_PLATFORM="riscv"
+                       ;;
+
                *)
                        exiterror "Cannot build for architure ${build_arch}"
                        ;;
@@ -264,6 +270,10 @@ configure_build_guess() {
                        echo "armv5tel"
                        ;;
 
+               riscv64)
+                       echo "riscv64"
+                       ;;
+
                *)
                        exiterror "Cannot guess build architecture"
                        ;;
@@ -801,7 +811,7 @@ qemu_is_required() {
        fi
 
        case "${HOST_ARCH},${build_arch}" in
-               x86_64,arm*|x86_64,aarch64|i?86,arm*|i?86,aarch64|i?86,x86_64)
+               x86_64,arm*|x86_64,aarch64|x86_64,riscv64|i?86,arm*|i?86,aarch64|i?86,x86_64)
                        return 0
                        ;;
                *)
@@ -865,6 +875,9 @@ qemu_find_build_helper_name() {
                arm*)
                        magic="7f454c4601010100000000000000000002002800"
                        ;;
+               riscv64)
+                       magic="7f454c460201010000000000000000000200f300"
+                       ;;
                x86_64)
                        magic="7f454c4602010100000000000000000002003e00"
                        ;;