Initial commit of test program for SKINIT

Signed-off-by: Ross Philipson <[email protected]>

trenchboot/skboot/.gitignore

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+*.o
+*.efi
+*.dsm
+*.hex
+*.gz
+skboot
+skboot-syms

trenchboot/skboot/Config.mk

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+# Copyright (c) 2006-2010, Intel Corporation
+# All rights reserved.
+
+# -*- mode: Makefile; -*-
+
+# debug build
+debug ?= n
+
+# cc-option: Check if compiler supports first option, else fall back to second.
+# Usage: cflags-y += $(call cc-option,$(CC),-march=winchip-c6,-march=i586)
+cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \
+              /dev/null 2>&1`"; then echo "$(2)"; else echo "$(3)"; fi ;)
+
+CFLAGS_WARN       = -Wall -Wformat-security -Werror -Wstrict-prototypes \
+	            -Wextra -Winit-self -Wswitch-default -Wunused-parameter \
+	            -Wwrite-strings \
+	            $(call cc-option,$(CC),-Wlogical-op,) \
+	            -Wno-missing-field-initializers
+
+AS         = as
+LD         = ld
+CC         = gcc
+CPP        = cpp
+AR         = ar
+RANLIB     = ranlib
+NM         = nm
+STRIP      = strip
+OBJCOPY    = objcopy
+OBJDUMP    = objdump
+
+CFLAGS += $(CFLAGS_WARN) -fno-strict-aliasing -std=gnu99
+# due to bug in gcc v4.2,3,?
+CFLAGS += $(call cc-option,$(CC),-Wno-array-bounds,)
+
+
+ifeq ($(debug),y)
+CFLAGS += -g -DDEBUG
+else
+CFLAGS += -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
+endif
+
+#
+# slboot-specific build settings
+#
+RELEASEVER  := "1.0.0"
+RELEASETIME := "2021-08-01 15:00 +0800"
+
+# if target arch is 64b, then convert -m64 to -m32 (skboot is always 32b)
+CFLAGS		+= -m32
+CFLAGS		+= -march=i686
+CFLAGS		+= -nostdinc
+CFLAGS		+= -fno-builtin -fno-common -fno-strict-aliasing
+CFLAGS		+= -fomit-frame-pointer
+CFLAGS		+= -pipe
+CFLAGS		+= -iwithprefix include
+CFLAGS		+= -I$(CURDIR)/include
+# ensure no floating-point variables
+CFLAGS		+= -msoft-float
+# Disable PIE/SSP if GCC supports them. They can break us.
+CFLAGS		+= $(call cc-option,$(CC),-nopie,)
+CFLAGS		+= $(call cc-option,$(CC),-fno-stack-protector,)
+CFLAGS		+= $(call cc-option,$(CC),-fno-stack-protector-all,)
+CFLAGS		+= $(call cc-option,$(CC),-fno-stack-check,)
+
+# changeset variable for banner
+CFLAGS		+= -DSKBOOT_CHANGESET=\""$(shell ((hg parents --template "{isodate|isodate} {rev}:{node|short}" >/dev/null && hg parents --template "{isodate|isodate} {rev}:{node|short}") || echo "$(RELEASETIME) $(RELEASEVER)") 2>/dev/null)"\"
+
+
+AFLAGS		+= -D__ASSEMBLY__
+
+# Most CFLAGS are safe for assembly files:
+#  -std=gnu{89,99} gets confused by #-prefixed end-of-line comments
+AFLAGS		+= $(patsubst -std=gnu%,,$(CFLAGS))
+
+
+# LDFLAGS are only passed directly to $(LD)
+LDFLAGS		= -melf_i386

trenchboot/skboot/Makefile

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+# Copyright (c) 2006-2010, Intel Corporation
+# All rights reserved.
+
+# -*- mode: Makefile; -*-
+
+#
+# skboot makefile
+#
+
+include $(CURDIR)/Config.mk
+
+TARGET := $(CURDIR)/skboot
+
+# boot.o must be first
+obj-y := common/boot.o
+obj-y += common/cmdline.o common/com.o common/e820.o
+obj-y += common/linux.o common/loader.o
+obj-y += common/misc.o common/pci.o common/printk.o
+obj-y += common/string.o common/skboot.o common/skl.o
+obj-y += common/sha1.o common/sha256.o
+obj-y += common/tpm.o common/tpm_12.o common/tpm_20.o
+obj-y += common/vga.o
+
+OBJS := $(obj-y)
+
+
+TARGET_LDS := $(CURDIR)/common/skboot.lds
+
+$(TARGET).gz : $(TARGET)
+	gzip -n -f -9 < $< > $@
+
+$(TARGET) : $(OBJS) $(TARGET_LDS)
+	$(LD) $(LDFLAGS) -T $(TARGET_LDS) -N $(OBJS) -o $(@D)/.$(@F).0
+	$(NM) -n $(@D)/.$(@F).0 >$(TARGET)-syms
+	$(LD) $(LDFLAGS) -T $(TARGET_LDS) $(LDFLAGS_STRIP) $(@D)/.$(@F).0 -o $(TARGET)
+	rm -f $(@D)/.$(@F).0
+
+#$(TARGET_LDS) : $(TARGET_LDS).x $(HDRS)
+#	$(CPP) -P -E -Ui386 $(AFLAGS) -o $@ $<
+
+#$(TARGET_LDS).x : FORCE
+
+#.PHONY: FORCE
+#FORCE :
+#	@: # do nothing
+#
+# universal rules
+#
+dist : install
+
+
+build : $(TARGET).gz
+
+
+install : $(DISTDIR)/boot/$(TARGET).gz
+
+$(DISTDIR)/boot/$(TARGET).gz : $(TARGET).gz
+	[ -d $(DISTDIR)/boot ] || $(INSTALL_DIR) $(DISTDIR)/boot
+	$(INSTALL_DATA) $(TARGET).gz $(DISTDIR)/boot/$(notdir $(TARGET)).gz
+	$(INSTALL_DATA) $(TARGET)-syms $(DISTDIR)/boot/$(notdir $(TARGET))-syms
+	[ -d $(DISTDIR)/etc/grub.d ] || $(INSTALL_DIR) $(DISTDIR)/etc/grub.d
+	$(INSTALL) -m755 -t $(DISTDIR)/etc/grub.d 20*
+
+
+clean :
+	rm -f $(TARGET)* *~ include/*~ include/txt/*~ *.o common/*~ txt/*~ common/*.o txt/*.o
+	rm -f tags TAGS cscope.files cscope.in.out cscope.out cscope.po.out
+
+
+distclean : clean
+
+
+#
+#    TAGS / tags
+#
+define all_sources
+    ( find . -name '*.[chS]' -print )
+endef
+define set_exuberant_flags
+    exuberant_flags=`$1 --version 2>/dev/null | grep -iq exuberant && \
+	echo "-I __initdata,__exitdata,__acquires,__releases \
+	    -I EXPORT_SYMBOL \
+	    --extra=+f --c-kinds=+px"`
+endef
+
+.PHONY: TAGS
+TAGS :
+	rm -f TAGS; \
+	$(call set_exuberant_flags,etags); \
+	$(all_sources) | xargs etags $$exuberant_flags -a
+
+.PHONY: tags
+tags :
+	rm -f tags; \
+	$(call set_exuberant_flags,ctags); \
+	$(all_sources) | xargs ctags $$exuberant_flags -a
+
+#
+#    cscope
+#
+.PHONY: cscope
+cscope :
+	$(all_sources) > cscope.files
+	cscope -k -b -q
+
+#
+#    MAP
+#
+.PHONY: MAP
+MAP :
+	$(NM) -n $(TARGET)-syms | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' > System.map
+
+#
+# implicit rules
+#
+
+HDRS := $(wildcard $(CURDIR)/include/*.h)
+HDRS += $(wildcard $(CURDIR)/include/txt/*.h)
+
+BUILD_DEPS := $(CURDIR)/Config.mk $(CURDIR)/Makefile
+
+# fix case where gcc doesn't use builtin memcmp() when built w/o optimizations
+ifeq ($(debug),y)
+CFLAGS += -O2
+endif
+
+%.o : %.c $(HDRS) $(BUILD_DEPS)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+%.o : %.S $(HDRS) $(BUILD_DEPS)
+	$(CC) $(AFLAGS) -c $< -o $@
+
+%.i : %.c $(HDRS) $(BUILD_DEPS)
+	$(CPP) $(CFLAGS) $< -o $@
+
+# -std=gnu{89,99} gets confused by # as an end-of-line comment marker
+%.s : %.S $(HDRS)  $(BUILD_DEPS)
+	$(CPP) $(AFLAGS) $< -o $@