baremetal-helloworld: Enable RISC-V 32 port

$ runqemu nographic
runqemu - INFO - Running bitbake -e ...
KERNEL: [tmp/deploy/images/qemuriscv32/baremetal-helloworld-image-qemuriscv32.bin]
MACHINE: [qemuriscv32]
runqemu - INFO - Running tmp/work/x86_64-linux/qemu-helper-native/1.0-r1/recipe-sysroot-native/usr/bin/qemu-system-riscv32

Hello OpenEmbedded on RISC-V 32!

(From OE-Core rev: d4cca7471f2167b56347fa7b1364bb84a200b1f5)

Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandro@enedino.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/meta/classes/baremetal-image.bbclass b/meta/classes/baremetal-image.bbclass
index 9ec3f1460b..089c445522 100644
--- a/meta/classes/baremetal-image.bbclass
+++ b/meta/classes/baremetal-image.bbclass
@@ -82,12 +82,15 @@ QB_OPT_APPEND:append = " -nographic"
 # RISC-V tunes set the BIOS, unset, and instruct QEMU to
 # ignore the BIOS and boot from -kernel
 QB_DEFAULT_BIOS:qemuriscv64 = ""
+QB_DEFAULT_BIOS:qemuriscv32 = ""
 QB_OPT_APPEND:append:qemuriscv64 = " -bios none"
+QB_OPT_APPEND:append:qemuriscv32 = " -bios none"
 
 
 # Use the medium-any code model for the RISC-V 64 bit implementation,
 # since medlow can only access addresses below 0x80000000 and RAM
 # starts at 0x80000000 on RISC-V 64
+# Keep RISC-V 32 using -mcmodel=medlow (symbols lie between -2GB:2GB)
 CFLAGS:append:qemuriscv64 = " -mcmodel=medany"