1 files changed, 80 insertions, 0 deletions
diff --git a/test/image/spl_load_os.c b/test/image/spl_load_os.c
new file mode 100644
index 0000000000..bf374f2164
--- /dev/null
+++ b/test/image/spl_load_os.c
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <image.h>
+#include <os.h>
+#include <spl.h>
+#include <test/ut.h>
+
+/* Declare a new SPL test */
+#define SPL_TEST(_name, _flags)		UNIT_TEST(_name, _flags, spl_test)
+
+/* Context used for this test */
+struct text_ctx {
+	int fd;
+};
+
+static ulong read_fit_image(struct spl_load_info *load, ulong sector,
+			    ulong count, void *buf)
+{
+	struct text_ctx *text_ctx = load->priv;
+	off_t offset, ret;
+	ssize_t res;
+
+	offset = sector * load->bl_len;
+	ret = os_lseek(text_ctx->fd, offset, OS_SEEK_SET);
+	if (ret != offset) {
+		printf("Failed to seek to %zx, got %zx (errno=%d)\n", offset,
+		       ret, errno);
+		return 0;
+	}
+
+	res = os_read(text_ctx->fd, buf, count * load->bl_len);
+	if (res == -1) {
+		printf("Failed to read %lx bytes, got %ld (errno=%d)\n",
+		       count * load->bl_len, res, errno);
+		return 0;
+	}
+
+	return count;
+}
+
+static int spl_test_load(struct unit_test_state *uts)
+{
+	struct spl_image_info image;
+	struct legacy_img_hdr *header;
+	struct text_ctx text_ctx;
+	struct spl_load_info load;
+	char fname[256];
+	int ret;
+	int fd;
+
+	memset(&load, '\0', sizeof(load));
+	load.bl_len = 512;
+	load.read = read_fit_image;
+
+	ret = sandbox_find_next_phase(fname, sizeof(fname), true);
+	if (ret) {
+		printf("(%s not found, error %d)\n", fname, ret);
+		return ret;
+	}
+	load.filename = fname;
+
+	header = spl_get_load_buffer(-sizeof(*header), sizeof(*header));
+
+	fd = os_open(fname, OS_O_RDONLY);
+	ut_assert(fd >= 0);
+	ut_asserteq(512, os_read(fd, header, 512));
+	text_ctx.fd = fd;
+
+	load.priv = &text_ctx;
+
+	ut_assertok(spl_load_simple_fit(&image, &load, 0, header));
+
+	return 0;
+}
+SPL_TEST(spl_test_load, 0);