Merge branch '2022-10-07-riscv-toolchain-update'

- Update RISC-V to use 32bit or 64bit toolchains, depending on if we're
  building for 32bit or 64bit CPUs. This requires updating the Docker
  container as well to have the 32bit toolchain.

.azure-pipelines.yml

@@ -2,7 +2,7 @@ variables:
   windows_vm: windows-2019
   ubuntu_vm: ubuntu-22.04
   macos_vm: macOS-12
-  ci_runner_image: trini/u-boot-gitlab-ci-runner:jammy-20220801-09Aug2022
+  ci_runner_image: trini/u-boot-gitlab-ci-runner:jammy-20221003-07Oct2022
   # Add '-u 0' options for Azure pipelines, otherwise we get "permission
   # denied" error when it tries to "useradd -m -u 1001 vsts_azpcontainer",
   # since our $(ci_runner_image) user is not root.

.gitlab-ci.yml

@@ -2,7 +2,7 @@
 
 # Grab our configured image.  The source for this is found
 # in the u-boot tree at tools/docker/Dockerfile
-image: trini/u-boot-gitlab-ci-runner:jammy-20220801-09Aug2022
+image: trini/u-boot-gitlab-ci-runner:jammy-20221003-07Oct2022
 
 # We run some tests in different order, to catch some failures quicker.
 stages:

arch/riscv/Makefile

@@ -24,7 +24,16 @@ ifeq ($(CONFIG_CMODEL_MEDANY),y)
 	CMODEL = medany
 endif
 
-ARCH_FLAGS = -march=$(ARCH_BASE)$(ARCH_A)$(ARCH_C) -mabi=$(ABI) \
+RISCV_MARCH = $(ARCH_BASE)$(ARCH_A)$(ARCH_C)
+
+# Newer binutils versions default to ISA spec version 20191213 which moves some
+# instructions from the I extension to the Zicsr and Zifencei extensions.
+toolchain-need-zicsr-zifencei := $(call cc-option-yn, -mabi=$(ABI) -march=$(RISCV_MARCH)_zicsr_zifencei)
+ifeq ($(toolchain-need-zicsr-zifencei),y)
+	RISCV_MARCH := $(RISCV_MARCH)_zicsr_zifencei
+endif
+
+ARCH_FLAGS = -march=$(RISCV_MARCH) -mabi=$(ABI) \
 	     -mcmodel=$(CMODEL)
 
 PLATFORM_CPPFLAGS	+= $(ARCH_FLAGS)

tools/buildman/boards.py

@@ -263,6 +263,17 @@ class KconfigScanner:
         if params['arch'] == 'arm' and params['cpu'] == 'armv8':
             params['arch'] = 'aarch64'
 
+        # fix-up for riscv
+        if params['arch'] == 'riscv':
+            try:
+                value = self._conf.syms.get('ARCH_RV32I').str_value
+            except:
+                value = ''
+            if value == 'y':
+                params['arch'] = 'riscv32'
+            else:
+                params['arch'] = 'riscv64'
+
         return params
 
 

tools/docker/Dockerfile

@@ -2,7 +2,7 @@
 # This Dockerfile is used to build an image containing basic stuff to be used
 # to build U-Boot and run our test suites.
 
-FROM ubuntu:jammy-20220801
+FROM ubuntu:jammy-20221003
 MAINTAINER Tom Rini <trini@konsulko.com>
 LABEL Description=" This image is for building U-Boot inside a container"
 
@@ -24,6 +24,7 @@ RUN wget -O - https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_
 RUN wget -O - https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/11.1.0/x86_64-gcc-11.1.0-nolibc-nios2-linux.tar.xz | tar -C /opt -xJ
 RUN wget -O - https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/11.1.0/x86_64-gcc-11.1.0-nolibc-powerpc-linux.tar.xz | tar -C /opt -xJ
 RUN wget -O - https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/11.1.0/x86_64-gcc-11.1.0-nolibc-riscv64-linux.tar.xz | tar -C /opt -xJ
+RUN wget -O - https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/11.1.0/x86_64-gcc-11.1.0-nolibc-riscv32-linux.tar.xz | tar -C /opt -xJ
 RUN wget -O - https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/11.1.0/x86_64-gcc-11.1.0-nolibc-sh2-linux.tar.xz | tar -C /opt -xJ
 
 # Manually install other toolchains
@@ -217,6 +218,5 @@ RUN /bin/echo -e "kernelorg = /opt/gcc-11.1.0-nolibc/*" >> ~/.buildman
 RUN /bin/echo -e "arc = /opt/arc_gnu_2021.03_prebuilt_uclibc_le_archs_linux_install" >> ~/.buildman
 RUN /bin/echo -e "\n[toolchain-prefix]\nxtensa = /opt/2020.07/xtensa-dc233c-elf/bin/xtensa-dc233c-elf-" >> ~/.buildman;
 RUN /bin/echo -e "\n[toolchain-alias]\nsh = sh2" >> ~/.buildman
-RUN /bin/echo -e "\nriscv = riscv64" >> ~/.buildman
 RUN /bin/echo -e "\nsandbox = x86_64" >> ~/.buildman
 RUN /bin/echo -e "\nx86 = i386" >> ~/.buildman;