On 7/13/2019 10:08 AM, Jarkko Sakkinen wrote:
Add a selftest for SGX. It is a trivial test where a simple enclave
copies one 64-bit word of memory between two memory locations given to
the enclave as arguments.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
---
tools/testing/selftests/x86/Makefile | 10 +
tools/testing/selftests/x86/sgx/Makefile | 48 ++
tools/testing/selftests/x86/sgx/defines.h | 39 ++
tools/testing/selftests/x86/sgx/encl.c | 20 +
tools/testing/selftests/x86/sgx/encl.lds | 33 ++
.../selftests/x86/sgx/encl_bootstrap.S | 94 ++++
tools/testing/selftests/x86/sgx/encl_piggy.S | 18 +
tools/testing/selftests/x86/sgx/encl_piggy.h | 14 +
tools/testing/selftests/x86/sgx/main.c | 301 +++++++++++
tools/testing/selftests/x86/sgx/sgx_call.S | 49 ++
tools/testing/selftests/x86/sgx/sgxsign.c | 508 ++++++++++++++++++
.../testing/selftests/x86/sgx/signing_key.pem | 39 ++
12 files changed, 1173 insertions(+)
create mode 100644 tools/testing/selftests/x86/sgx/Makefile
create mode 100644 tools/testing/selftests/x86/sgx/defines.h
create mode 100644 tools/testing/selftests/x86/sgx/encl.c
create mode 100644 tools/testing/selftests/x86/sgx/encl.lds
create mode 100644 tools/testing/selftests/x86/sgx/encl_bootstrap.S
create mode 100644 tools/testing/selftests/x86/sgx/encl_piggy.S
create mode 100644 tools/testing/selftests/x86/sgx/encl_piggy.h
create mode 100644 tools/testing/selftests/x86/sgx/main.c
create mode 100644 tools/testing/selftests/x86/sgx/sgx_call.S
create mode 100644 tools/testing/selftests/x86/sgx/sgxsign.c
create mode 100644 tools/testing/selftests/x86/sgx/signing_key.pem
diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile
index fa07d526fe39..a1831406fd01 100644
--- a/tools/testing/selftests/x86/Makefile
+++ b/tools/testing/selftests/x86/Makefile
@@ -1,4 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
+
+SUBDIRS_64 := sgx
+
all:
include ../lib.mk
@@ -68,6 +71,13 @@ all_32: $(BINARIES_32)
all_64: $(BINARIES_64)
+all_64: $(SUBDIRS_64)
$(SUBDIRS_64) aren't targets. No need for all_64 to depend on them.
+ @for DIR in $(SUBDIRS_64); do \
+ BUILD_TARGET=$(OUTPUT)/$$DIR; \
+ mkdir $$BUILD_TARGET -p; \
+ make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \
Please use $(MAKE), otherwise command line options cannot be passed onto
sub-makes.
+ done
The above only builds but will not run SGX tests.
Also, 'clean' target will not descend into sgx folder either.
+
EXTRA_CLEAN := $(BINARIES_32) $(BINARIES_64)
$(BINARIES_32): $(OUTPUT)/%_32: %.c
diff --git a/tools/testing/selftests/x86/sgx/Makefile b/tools/testing/selftests/x86/sgx/Makefile
new file mode 100644
index 000000000000..10136b73096b
--- /dev/null
+++ b/tools/testing/selftests/x86/sgx/Makefile
@@ -0,0 +1,48 @@
+top_srcdir = ../../../../..
+
+include ../../lib.mk
+
+HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC -z noexecstack
+ENCL_CFLAGS := -Wall -Werror -static -nostdlib -nostartfiles -fPIC \
+ -fno-stack-protector -mrdrnd $(INCLUDES)
+
+TEST_CUSTOM_PROGS := $(OUTPUT)/test_sgx
+all_64: $(TEST_CUSTOM_PROGS)
+
+$(TEST_CUSTOM_PROGS): $(OUTPUT)/main.o $(OUTPUT)/sgx_call.o \
+ $(OUTPUT)/encl_piggy.o
+ $(CC) $(HOST_CFLAGS) -o $@ $^
+
+$(OUTPUT)/main.o: main.c
+ $(CC) $(HOST_CFLAGS) -c $< -o $@
.o files don't have to be generated/kept. And to be consistent with
other selftests, please don't generate/keep them.
+
+$(OUTPUT)/sgx_call.o: sgx_call.S
+ $(CC) $(HOST_CFLAGS) -c $< -o $@
+
+$(OUTPUT)/encl_piggy.o: $(OUTPUT)/encl.bin $(OUTPUT)/encl.ss
+ $(CC) $(HOST_CFLAGS) -c encl_piggy.S -o $@
Without -I, the above command breaks when "O=<target dir>" is specified.
+
+$(OUTPUT)/encl.bin: $(OUTPUT)/encl.elf $(OUTPUT)/sgxsign
+ objcopy --remove-section=.got.plt -O binary $< $@
.got.plt section will never be present for statically linked binaries.
+
+$(OUTPUT)/encl.elf: $(OUTPUT)/encl.o $(OUTPUT)/encl_bootstrap.o
+ $(CC) $(ENCL_CFLAGS) -T encl.lds -o $@ $^
Please fix the warning of ".note.gnu.build-id section discarded".
+
+$(OUTPUT)/encl.o: encl.c
+ $(CC) $(ENCL_CFLAGS) -c $< -o $@
+
+$(OUTPUT)/encl_bootstrap.o: encl_bootstrap.S
+ $(CC) $(ENCL_CFLAGS) -c $< -o $@
+
+$(OUTPUT)/encl.ss: $(OUTPUT)/encl.bin $(OUTPUT)/sgxsign
+ $(OUTPUT)/sgxsign signing_key.pem $(OUTPUT)/encl.bin $(OUTPUT)/encl.ss
+
+$(OUTPUT)/sgxsign: sgxsign.c
+ $(CC) -o $@ $< -lcrypto
+
+EXTRA_CLEAN := $(OUTPUT)/sgx-selftest $(OUTPUT)/sgx-selftest.o \
+ $(OUTPUT)/sgx_call.o $(OUTPUT)/encl.bin $(OUTPUT)/encl.ss \
+ $(OUTPUT)/encl.elf $(OUTPUT)/encl.o $(OUTPUT)/encl_bootstrap.o \
+ $(OUTPUT)/sgxsign
+
encl_piggy.o, main.o and test_sgx are not cleaned.
+.PHONY: clean
