scripts: Wire up MIPS semihosting for tests

Signed-off-by: Jiaxun Yang <[email protected]>

Author: FlyGoat

scripts/do-mips-zephyr-configure

@@ -33,4 +33,4 @@
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 # OF THE POSSIBILITY OF SUCH DAMAGE.
 #
-exec "$(dirname "$0")"/do-configure mips-zephyr-elf -Dtests=true -Dtests-enable-posix-io=false "$@"
+exec "$(dirname "$0")"/do-configure mips-zephyr-elf -Dtests=true -Dposix-console=true "$@"

scripts/run-mips

@@ -46,24 +46,62 @@ if file "$elf" | grep -q LSB; then
     qemu="qemu-system-mipsel"
 fi
 
-# Disable monitor
+cpu=24Kf
 
-mon=none
+# Map stdio to a multiplexed character device so we can use it
+# for the monitor and semihosting output
 
-# Point serial port at new chardev
+chardev=stdio,mux=on,id=stdio0
 
-serial=stdio
+# Point the semihosting driver at our new chardev
 
-cpu=24Kf
+cmdline="program-name"
+input=""
+done=0
+
+while [ "$done" != "1" ]; do
+    case "$1" in
+        --)
+            shift
+            done=1
+            ;;
+        -s|"")
+            done=1
+            ;;
+        *)
+            cmdline="$cmdline $1"
+            case "$input" in
+                "")
+                    input="$1"
+                    ;;
+                *)
+                    input="$input $1"
+                    ;;
+            esac
+            shift
+            ;;
+    esac
+done
+
+semi=enable=on,chardev=stdio0,arg="$cmdline"
+
+# Point the monitor at the new chardev too
+
+mon=none
+
+# Disable the serial port
+
+serial=none
 
-"$dir"/monitor-e9 $qemu \
-  -chardev stdio,id=con,mux=on \
+echo "$input" | $qemu \
+  -chardev $chardev \
+  -semihosting-config "$semi" \
   -machine malta \
   -cpu $cpu \
   -serial null \
   -serial null \
-  -serial chardev:con \
-  -mon chardev=con,mode=readline \
+  -serial "$serial" \
+  -monitor "$mon" \
   -net none \
   -nographic \
-  -kernel "$elf" "$@" < /dev/null
+  -kernel "$elf" "$@"