add sparcv8leon3-generic target

JIRA: RTOS-887

build-core-sparcv8leon3-generic.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+#
+# Shell script for building Phoenix-RTOS firmware
+#
+# Builder for Phoenix-RTOS core components
+#
+# Copyright 2023 Phoenix Systems
+# Author: Lukasz Leczkowski
+#
+
+# fail immediately if any of the commands fails
+set -e
+
+b_log "Building phoenix-rtos-kernel"
+make -C "phoenix-rtos-kernel" all
+
+if [ "$LIBPHOENIX_DEVEL_MODE" = "y" ]; then
+	make -C "phoenix-rtos-kernel" install-headers
+
+	b_log "Building libphoenix"
+	make -C "libphoenix" all install
+fi
+
+b_log "Building phoenix-rtos-corelibs"
+make -C "phoenix-rtos-corelibs" all
+
+b_log "Building phoenix-rtos-filesystems"
+make -C "phoenix-rtos-filesystems" all install
+
+b_log "Building phoenix-rtos-devices"
+make -C "phoenix-rtos-devices" all install
+
+b_log "Building coreutils"
+make -C "phoenix-rtos-utils" all install
+
+b_log "Building posixsrv"
+make -C "phoenix-rtos-posixsrv" all install

makes/include-target.mk

@@ -73,7 +73,8 @@ endif
 # SPARCV8 LEON 3
 TARGETS_SPARC := \
   sparcv8leon3-gr716 \
-  sparcv8leon3-gr712rc
+  sparcv8leon3-gr712rc \
+  sparcv8leon3-generic
 
 TARGETS += $(TARGETS_SPARC)
 ifneq (,$(filter $(TARGETS_SPARC),$(TARGET_FAMILY)-$(TARGET_SUBFAMILY)))

target/sparcv8leon3.mk

@@ -3,7 +3,7 @@
 #
 # SPARCv8 LEON3 options
 #
-# Copyright 2022, 2023 Phoenix Systems
+# Copyright 2022-2024 Phoenix Systems
 #
 # %LICENSE%
 #
@@ -41,7 +41,22 @@ else ifeq ($(TARGET_SUBFAMILY), gr712rc)
   endif
   STRIP := $(CROSS)strip
   VADDR_KERNEL_INIT := 0xc0000000
-  CFLAGS += -mfix-gr712rc -DLEON3_TN_0018_FIX
+  CFLAGS += -mfix-gr712rc
+  CPPFLAGS += -DLEON3_TN_0018_FIX
+  LDFLAGS += -Wl,-z,max-page-size=0x1000
+
+  HAVE_MMU := y
+else ifeq ($(TARGET_SUBFAMILY), generic)
+  ifeq ($(KERNEL), 1)
+    CFLAGS += 
+    # `mno-user-mode flag affects only `casa` instruction
+    # funnily enough, real hw can run without it
+    # but qemu will throw an exception
+    CFLAGS += -msoft-float -mno-user-mode
+  endif
+
+  STRIP := $(CROSS)strip
+  VADDR_KERNEL_INIT := 0xc0000000
   LDFLAGS += -Wl,-z,max-page-size=0x1000
 
   HAVE_MMU := y