test: Add sandbox TPM boot measurement
Use the sandbox TPM driver to measure some boot images in a unit
test case.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/test/boot/Makefile b/test/boot/Makefile
index 5294758..068522c 100644
--- a/test/boot/Makefile
+++ b/test/boot/Makefile
@@ -4,6 +4,7 @@
obj-$(CONFIG_BOOTSTD) += bootdev.o bootstd_common.o bootflow.o bootmeth.o
obj-$(CONFIG_FIT) += image.o
+obj-$(CONFIG_MEASURED_BOOT) += measurement.o
obj-$(CONFIG_EXPO) += expo.o
obj-$(CONFIG_CEDIT) += cedit.o
diff --git a/test/boot/measurement.c b/test/boot/measurement.c
new file mode 100644
index 0000000..9db2ed3
--- /dev/null
+++ b/test/boot/measurement.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Test for measured boot functions
+ *
+ * Copyright 2023 IBM Corp.
+ * Written by Eddie James <eajames@linux.ibm.com>
+ */
+
+#include <common.h>
+#include <bootm.h>
+#include <malloc.h>
+#include <test/suites.h>
+#include <test/test.h>
+#include <test/ut.h>
+#include <asm/io.h>
+
+#define MEASUREMENT_TEST(_name, _flags) \
+ UNIT_TEST(_name, _flags, measurement_test)
+
+static int measure(struct unit_test_state *uts)
+{
+ struct bootm_headers images;
+ const size_t size = 1024;
+ u8 *kernel;
+ u8 *initrd;
+ size_t i;
+
+ kernel = malloc(size);
+ initrd = malloc(size);
+
+ images.os.image_start = map_to_sysmem(kernel);
+ images.os.image_len = size;
+
+ images.rd_start = map_to_sysmem(initrd);
+ images.rd_end = images.rd_start + size;
+
+ images.ft_addr = malloc(size);
+ images.ft_len = size;
+
+ env_set("bootargs", "measurement testing");
+
+ for (i = 0; i < size; ++i) {
+ kernel[i] = 0xf0 | (i & 0xf);
+ initrd[i] = (i & 0xf0) | 0xf;
+ images.ft_addr[i] = i & 0xff;
+ }
+
+ ut_assertok(bootm_measure(&images));
+
+ free(images.ft_addr);
+ free(initrd);
+ free(kernel);
+
+ return 0;
+}
+MEASUREMENT_TEST(measure, 0);
+
+int do_ut_measurement(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ struct unit_test *tests = UNIT_TEST_SUITE_START(measurement_test);
+ const int n_ents = UNIT_TEST_SUITE_COUNT(measurement_test);
+
+ return cmd_ut_category("measurement", "measurement_test_", tests,
+ n_ents, argc, argv);
+}