Xen support

.project/cgt/cgt_gcc-aarch64.js

@@ -10,6 +10,9 @@ const cgt_a53 ={
             "-mstrict-align",
             "-mfix-cortex-a53-835769",
             "-mfix-cortex-a53-843419",
+            ... common.isXenEnabled() ? [
+              "-DXEN_ENABLED"
+            ] : []
         ],
     },
 }

.project/common.js

@@ -184,12 +184,27 @@ function setInstrumentationMode(mode)
     genInstrumentationMode = mode;
 }
 
+/* xen is disabled by default */
+let xenEnabled = false;
+
+function isXenEnabled()
+{
+    return xenEnabled;
+}
+
+function setXenEnabled(enabled)
+{
+    xenEnabled = enabled;
+}
+
 module.exports = {
     genBuildfiles,
     isDevelopmentMode,
     setGenBuildFilesMode,
     isInstrumentationMode,
     setInstrumentationMode,
+    isXenEnabled,
+    setXenEnabled,
     cleanBuildfiles,
     mergeCgtOptions,
     convertTemplateToFile,

.project/device/project_am62px.js

@@ -28,6 +28,9 @@ const component_file_list = [
     "source/safety_checkers/.project/project.js",
     "docs_src/docs/api_guide/doxy_samples/.project/project.js",
     "test/unity/.project/project.js",
+    ... common.isXenEnabled() ? [
+    "source/drivers/xen/.project/project.js",
+    ] : []
 ];
 
 // List of components where makefile is not generated.

.project/device/project_am62x.js

@@ -18,6 +18,9 @@ const component_file_list = [
     "source/safety_checkers/.project/project.js",
     "test/unity/.project/project.js",
     "docs_src/docs/api_guide/doxy_samples/.project/project.js",
+    ... common.isXenEnabled() ? [
+    "source/drivers/xen/.project/project.js",
+    ] : []
 ];
 
 // List of components where makefile is not generated.

.project/genExampleFiles.js

@@ -38,6 +38,7 @@ function genExampleFilesDevice(device) {
                     project: project,
                     options: template.options,
                     isInstrumentation: isInstrumentation,
+                    isXenEnabled: common.isXenEnabled,
                 };
 
                 common.convertTemplateToFile(

.project/project.js

@@ -27,6 +27,10 @@ const argv = yargs
         default: "disable",
         array: false
     })
+    .option('enable-xen', {
+        description: 'L1 Hypervisor',
+        type: 'boolean',
+    })
     .help()
     .alias('help', 'h')
     .argv;
@@ -41,6 +45,7 @@ if(argv.target == "clean") {
 else {
     common.setGenBuildFilesMode(argv.target);
     common.setInstrumentationMode(argv.instrumentation);
+    common.setXenEnabled(!!argv.enableXen);
     for(device of argv.device) {
         console.log(`Generating build files for ${device} in ${argv.target} mode ...`);
         common.genBuildfiles(device);

.project/templates/am62x/common/linker_a53.cmd.xdt

@@ -41,6 +41,15 @@
 	let addrBaseDdr = 0x80000000;
 	let codeDataSizeDdr = 0x1000000;
 
+       let shmOrigin = 0x82000000;
+       let scratchBufOrigin = 0x82000080;
+
+       if(args.isXenEnabled()) {
+           addrBaseDdr = 0x40000000;
+           shmOrigin = 0x42000000;
+           scratchBufOrigin = 0x42000080;
+       }
+
 	/* if no options given use defaults */
 	if(options && options.stackSize)
 		stackSize = options.stackSize;
@@ -90,7 +99,7 @@ MEMORY {
 	/* On A53,
 	 * - make sure there is a MMU entry which maps below regions as non-cache
 	 */
-    USER_SHM_MEM            : ORIGIN = 0x82000000, LENGTH = 0x80
+    USER_SHM_MEM            : ORIGIN = 0x`(shmOrigin).toString(16).toUpperCase()`, LENGTH = 0x80
     % if(args.project.isLogSHM === true){
     LOG_SHM_MEM             : ORIGIN = 0xA1000000, LENGTH = 0x40000
     %}
@@ -99,7 +108,7 @@ MEMORY {
     %}
     % if(globalScratchBuf == "true") {
     /* global scratch buffer region in DDR (32 MB) */
-    GLOBAL_SCRATCH_BUFF  (RWIX): ORIGIN = 0x82000080 LENGTH = 0x02000000
+    GLOBAL_SCRATCH_BUFF  (RWIX): ORIGIN = 0x`(scratchBufOrigin).toString(16).toUpperCase()` LENGTH = 0x02000000
     % }
 }
 

.project/templates/am62x/nortos/main_nortos.c.xdt

@@ -50,7 +50,9 @@ int main()
 {
     int32_t status = SystemP_SUCCESS;
 
+    % if(!args.isXenEnabled()) {
     System_init();
+    % }
     Board_init();
 
     /* Open drivers */
@@ -67,7 +69,9 @@ int main()
     Drivers_close();
 
     Board_deinit();
+    % if(!args.isXenEnabled()) {
     System_deinit();
+    % }
 
     return 0;
 }

makefile

@@ -143,7 +143,7 @@ docs-clean:
 	$(MAKE) -C docs_src/docs/api_guide clean DEVICE=$(DEVICE) DOC_COMBO=$(DOC_COMBO)
 
 gen-buildfiles:
-	$(NODE) ./.project/project.js --device $(DEVICE) --target $(GEN_BUILDFILES_TARGET) --instrumentation $(INSTRUMENTATION_MODE)
+	$(NODE) ./.project/project.js --device $(DEVICE) --target $(GEN_BUILDFILES_TARGET) --instrumentation $(INSTRUMENTATION_MODE) $(if $(ENABLE_XEN),--enable-xen)
 
 gen-buildfiles-clean:
 	$(NODE) ./.project/project.js --device $(DEVICE) --target clean

source/drivers/.meta/system/system_config.c.xdt

@@ -79,12 +79,15 @@ void System_init(void)
 `system.getTemplate(sciclientInitTemplate)()`
 % }
 
+#ifndef XEN_ENABLED
    `system.getTemplate("/kernel/dpl/pmu_init.c.xdt")()`
 
     PowerClock_init();
     /* Now we can do pinmux */
     Pinmux_init();
     /* finally we initialize all peripheral drivers */
+#endif
+
 % let driverOrder = system.getScript('/common').getDriverOpenOrder();
 % let orderedTemplates = [];
 % let otherTemplates = [];

source/drivers/xen/.project/project.js

@@ -0,0 +1,55 @@
+let path = require('path');
+
+const files = {
+    common: [
+        "xen_console.c",
+        "xen_events.c",
+        "xen_hvm.c",
+    ],
+};
+
+const asmfiles = {
+    common: [
+        "xen_hypercall.S",
+    ],
+};
+
+const filedirs = {
+    common: [
+        ".",
+    ],
+};
+
+
+function getComponentProperty(device) {
+    const buildOptionCombos = [
+        { device: device, cpu: "a53", cgt: "gcc-aarch64", os: "nortos" },
+        { device: device, cpu: "a53", cgt: "gcc-aarch64", os: "freertos" },
+    ];
+    let property = {};
+
+    property.dirPath = path.resolve(__dirname, "..");
+    property.type = "library";
+    property.name = "xen";
+    property.isInternal = false;
+    property.buildOptionCombos = buildOptionCombos;
+
+    return property;
+}
+
+function getComponentBuildProperty(buildOption) {
+    let build_property = {};
+
+    if(buildOption.cpu.match(/a53*/)){
+        build_property.files = files;
+        build_property.asmfiles = asmfiles;
+        build_property.filedirs = filedirs;
+    }
+
+    return build_property;
+}
+
+module.exports = {
+    getComponentProperty,
+    getComponentBuildProperty,
+};

source/drivers/xen/makefile.am62ax.a53.gcc-aarch64

@@ -0,0 +1,115 @@
+#
+# Auto generated makefile
+#
+
+export MCU_PLUS_SDK_PATH?=$(abspath ../../..)
+include $(MCU_PLUS_SDK_PATH)/imports.mak
+
+CG_TOOL_ROOT=$(CGT_GCC_AARCH64_PATH)
+
+CC=$(CGT_GCC_AARCH64_PATH)/bin/aarch64-none-elf-gcc
+AR=$(CGT_GCC_AARCH64_PATH)/bin/aarch64-none-elf-gcc-ar
+
+PROFILE?=release
+ConfigName:=$(PROFILE)
+
+LIBNAME:=xen.am62ax.a53.gcc-aarch64.$(PROFILE).lib
+
+FILES_common := \
+    xen_console.c \
+    xen_events.c \
+    xen_hvm.c \
+
+ASMFILES_common := \
+    xen_hypercall.S \
+
+FILES_PATH_common = \
+    . \
+
+INCLUDES_common := \
+    -I${MCU_PLUS_SDK_PATH}/source \
+
+DEFINES_common := \
+    -DSOC_AM62X \
+
+CFLAGS_common := \
+    -mcpu=cortex-a53+fp+simd \
+    -mabi=lp64 \
+    -mcmodel=large \
+    -mstrict-align \
+    -mfix-cortex-a53-835769 \
+    -mfix-cortex-a53-843419 \
+    -DXEN_ENABLED \
+    -Wall \
+    -Werror \
+    -g \
+    -Wno-int-to-pointer-cast \
+    -Wno-pointer-to-int-cast \
+    -Wno-unused-but-set-variable \
+    -fdata-sections \
+    -ffunction-sections \
+
+CFLAGS_debug := \
+    -D_DEBUG_=1 \
+
+CFLAGS_release := \
+    -O2 \
+
+ARFLAGS_common := \
+    cr \
+
+FILES := $(FILES_common) $(FILES_$(PROFILE))
+ASMFILES := $(ASMFILES_common) $(ASMFILES_$(PROFILE))
+FILES_PATH := $(FILES_PATH_common) $(FILES_PATH_$(PROFILE))
+CFLAGS := $(CFLAGS_common) $(CFLAGS_$(PROFILE))
+ASMFLAGS := $(CFLAGS_common) $(CFLAGS_$(PROFILE))
+ifeq ($(CPLUSPLUS_BUILD), yes)
+CFLAGS += $(CFLAGS_cpp_common)
+endif
+DEFINES := $(DEFINES_common) $(DEFINES_$(PROFILE))
+INCLUDES := $(INCLUDES_common) $(INCLUDE_$(PROFILE))
+ARFLAGS := $(ARFLAGS_common) $(ARFLAGS_$(PROFILE))
+
+LIBDIR := lib
+OBJDIR := obj/am62ax/gcc-aarch64/$(PROFILE)/a53/xen/
+OBJS := $(FILES:%.c=%.obj)
+OBJS += $(ASMFILES:%.S=%.obj)
+DEPS := $(FILES:%.c=%.d)
+
+vpath %.obj $(OBJDIR)
+vpath %.c $(FILES_PATH)
+vpath %.S $(FILES_PATH)
+
+$(OBJDIR)/%.obj %.obj: %.c
+	@echo  Compiling: $(LIBNAME): $<
+	$(CC) -c $(CFLAGS) $(INCLUDES) $(DEFINES) -MMD -MT $@ -o $(OBJDIR)/$@ $<
+
+$(OBJDIR)/%.obj %.obj: %.S
+	@echo  Compiling: $(LIBNAME): $<
+	$(CC) -c -x assembler-with-cpp $(CFLAGS) $(INCLUDES) $(DEFINES) -o $(OBJDIR)$@ $<
+
+all: $(LIBDIR)/$(LIBNAME)
+
+$(LIBDIR)/$(LIBNAME): $(OBJS) | $(LIBDIR)
+	@echo  .
+	@echo  Archiving: $(LIBNAME) to $@ ...
+	$(AR) $(ARFLAGS) $@ $(addprefix $(OBJDIR), $(OBJS))
+	@echo  Archiving: $(LIBNAME) Done !!!
+	@echo  .
+
+clean:
+	@echo  Cleaning: $(LIBNAME) ...
+	$(RMDIR) $(OBJDIR)
+	$(RM) $(LIBDIR)/$(LIBNAME)
+
+scrub:
+	@echo  Scrubing: $(LIBNAME) ...
+	-$(RMDIR) obj/
+	-$(RMDIR) lib/
+
+$(OBJS): | $(OBJDIR)
+
+$(LIBDIR) $(OBJDIR):
+	$(MKDIR) $@
+
+-include $(addprefix $(OBJDIR)/, $(DEPS))