X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=scripts%2Flttng-modules%2Fparam-build.sh;h=1535b3e5485ba9d4b68d8f6bcece1217e1b3c1f6;hb=ae365617b4663de79c0ee208fa20ebe5c6cf9dca;hp=5d12ca50c5cb45d80322783e6749cbffee479368;hpb=c05bf06f03cb27a2fd02a4e89330f7d6309ec357;p=lttng-ci.git

diff --git a/scripts/lttng-modules/param-build.sh b/scripts/lttng-modules/param-build.sh
index 5d12ca5..1535b3e 100644
--- a/scripts/lttng-modules/param-build.sh
+++ b/scripts/lttng-modules/param-build.sh
@@ -143,7 +143,13 @@ select_compiler() {
     # Enter linux source dir
     cd "$LINUX_SRCOBJ_DIR"
 
-    kversion=$(make -s kernelversion)
+    # Get the kernel version using the host toolchain, some cross-compiled arch may be broken
+    kversion=$(unset ARCH; unset CROSS_COMPILE; make -s kernelversion)
+
+    if [ "${cross_arch}" = "riscv64" ] && verlt "${kversion}" "5.12"; then
+        echo "RISC-V support was upstreamed in kernel v4.19 but kprobes support was only added in v5.12. Don't try to build it."
+        exit 0
+    fi
 
     if { verlt "$kversion" "4.4"; }; then
         # Force gcc-4.8 for kernels before 4.4
@@ -288,11 +294,14 @@ build_linux_kernel() {
     # Generate kernel configuration
     case "$ktag" in
       Ubuntu*)
-        if [ "${cross_arch}" = "powerpc" ]; then
-          if vergte "${kversion}" "4.10"; then
-            echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it."
-            exit 0
-          fi
+        if [ "${cross_arch}" = "powerpc" ] && vergte "${kversion}" "4.10"; then
+          echo "Ubuntu removed big endian powerpc configuration from kernel >= 4.10. Don't try to build it."
+          exit 0
+        fi
+
+        if [ "${cross_arch}" = "riscv64" ] && verlt "${kversion}" "6.2"; then
+          echo "Ubuntu added RISC-V config to their 'regular' kernels in v6.2. Don't try to build it."
+          exit 0
         fi
 
         fakeroot debian/rules clean KW_DEFCONFIG_DIR=.
@@ -770,6 +779,12 @@ extract_distro_headers() {
         fi
     fi
 
+    # On riscv with 5.14 the vsdo objects are required
+    if [ "${karch}" = "riscv" ] && \
+           ( { vergte "${kversion}" "5.14"; } && { verlt "${kversion}" "5.15"; } ); then
+            cp -a --parents arch/riscv/kernel/vdso/*.o "${LINUX_HDROBJ_DIR}/"
+    fi
+
     # Newer kernels need objtool to build modules when CONFIG_STACK_VALIDATION=y
     if [ -f tools/objtool/objtool ]; then
       cp -a --parents tools/objtool/objtool "${LINUX_HDROBJ_DIR}/"
@@ -959,6 +974,13 @@ if [ "x${cross_arch}" != "x" ]; then
             ubuntu_config="ppc64el-config.flavour.generic"
             ;;
 
+        "riscv64")
+            karch="riscv"
+            cross_compile="riscv64-linux-gnu-"
+            vanilla_config="defconfig"
+            ubuntu_config="riscv64-config.flavour.generic"
+            ;;
+
         *)
             echo "Unsupported cross arch $cross_arch"
             exit 1
@@ -1009,6 +1031,12 @@ elif [ "x${arch}" != "x" ]; then
             ubuntu_config="ppc64el-config.flavour.generic"
             ;;
 
+        "riscv64")
+            karch="riscv"
+            vanilla_config="allmodconfig"
+            ubuntu_config="riscv64-config.flavour.generic"
+            ;;
+
         *)
             echo "Unsupported arch $arch"
             exit 1