1 files changed, 76 insertions, 0 deletions
diff --git a/purgatory/Makefile b/purgatory/Makefile
new file mode 100644
index 0000000..4d2d071
--- /dev/null
+++ b/purgatory/Makefile
@@ -0,0 +1,76 @@
+#
+# Purgatory (an uncomfortable intermediate state)
+#            In this case the code that runs between kernels
+#
+
+# There is probably a cleaner way to do this but for now this
+# should keep us from accidentially include unsafe library functions
+# or headers.
+
+PURGATORY = purgatory/purgatory.ro
+PURGATORY_SRCS =
+PURGATORY_SRCS += purgatory/purgatory.c
+PURGATORY_SRCS += purgatory/printf.c
+PURGATORY_SRCS += purgatory/string.c
+PURGATORY_MAP = purgatory/purgatory.map
+
+dist += purgatory/Makefile $(PURGATORY_SRCS)				\
+	purgatory/include/purgatory.h purgatory/include/string.h
+
+include $(srcdir)/purgatory/arch/alpha/Makefile
+include $(srcdir)/purgatory/arch/arm/Makefile
+include $(srcdir)/purgatory/arch/arm64/Makefile
+include $(srcdir)/purgatory/arch/i386/Makefile
+include $(srcdir)/purgatory/arch/ia64/Makefile
+include $(srcdir)/purgatory/arch/mips/Makefile
+include $(srcdir)/purgatory/arch/ppc/Makefile
+include $(srcdir)/purgatory/arch/ppc64/Makefile
+include $(srcdir)/purgatory/arch/s390/Makefile
+include $(srcdir)/purgatory/arch/sh/Makefile
+include $(srcdir)/purgatory/arch/x86_64/Makefile
+include $(srcdir)/purgatory/arch/loongarch/Makefile
+
+PURGATORY_SRCS+=$($(ARCH)_PURGATORY_SRCS)
+
+PURGATORY_OBJS = $(call objify, $(PURGATORY_SRCS)) purgatory/sha256.o
+PURGATORY_DEPS = $(call depify, $(PURGATORY_OBJS))
+
+clean += $(PURGATORY_OBJS) $(PURGATORY_DEPS) $(PURGATORY) $(PURGATORY_MAP) $(PURGATORY).sym
+
+-include $(PURGATORY_DEPS)
+
+purgatory/sha256.o: CFLAGS += -O2 $($(ARCH)_PURGATORY_SHA256_CFLAGS)
+
+purgatory/sha256.o: $(srcdir)/util_lib/sha256.c
+	mkdir -p $(@D)
+	$(COMPILE.c) -o $@ $^
+
+$(PURGATORY): CC=$(TARGET_CC)
+$(PURGATORY): CFLAGS=$(PURGATORY_EXTRA_CFLAGS) \
+		      $($(ARCH)_PURGATORY_EXTRA_CFLAGS) \
+		      -Os -fno-builtin -ffreestanding \
+		      -fno-zero-initialized-in-bss \
+		      -fno-PIC -fno-PIE -fno-stack-protector -fno-tree-vectorize
+
+$(PURGATORY): CPPFLAGS=$($(ARCH)_PURGATORY_EXTRA_CFLAGS) \
+			-I$(srcdir)/purgatory/include \
+			-I$(srcdir)/purgatory/arch/$(ARCH)/include \
+			-I$(srcdir)/util_lib/include \
+			-I$(srcdir)/include \
+			-Iinclude \
+			-I$(shell $(CC) -print-file-name=include)
+$(PURGATORY): LDFLAGS=$($(ARCH)_PURGATORY_EXTRA_CFLAGS)\
+			-Wl,--no-undefined -nostartfiles -nostdlib \
+			-nodefaultlibs -e purgatory_start -r \
+			-Wl,-Map=$(PURGATORY_MAP)
+
+$(PURGATORY): $(PURGATORY_OBJS)
+	$(MKDIR) -p $(@D)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@.sym $^
+#	$(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) --no-undefined -e purgatory_start -r -o $@ $(PURGATORY_OBJS) $(UTIL_LIB)
+	$(STRIP) --strip-debug -o $@ $@.sym
+
+echo::
+	@echo "PURGATORY_SRCS $(PURGATORY_SRCS)"
+	@echo "PURGATORY_DEPS $(PURGATORY_DEPS)"
+	@echo "PURGATORY_OBJS $(PURGATORY_OBJS)"