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-rw-r--r--tools/gpimage-common.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/tools/gpimage-common.c b/tools/gpimage-common.c
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+/*
+ * (C) Copyright 2014
+ * Texas Instruments Incorporated
+ * Refactored common functions in to gpimage-common.c.
+ *
+ * (C) Copyright 2010
+ * Linaro LTD, www.linaro.org
+ * Author: John Rigby <john.rigby@linaro.org>
+ * Based on TI's signGP.c
+ *
+ * (C) Copyright 2009
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * (C) Copyright 2008
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include "imagetool.h"
+#include <compiler.h>
+#include <image.h>
+#include "gpheader.h"
+
+/* Helper to convert size and load_addr to big endian */
+void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr)
+{
+ *gph_size = cpu_to_be32(*gph_size);
+ *gph_load_addr = cpu_to_be32(*gph_load_addr);
+}
+
+int gph_verify_header(struct gp_header *gph, int be)
+{
+ uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
+
+ if (be)
+ to_be32(&gph_size, &gph_load_addr);
+
+ if (!gph_size || !gph_load_addr)
+ return -1;
+
+ return 0;
+}
+
+void gph_print_header(const struct gp_header *gph, int be)
+{
+ uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
+
+ if (be)
+ to_be32(&gph_size, &gph_load_addr);
+
+ if (!gph_size) {
+ fprintf(stderr, "Error: invalid image size %x\n", gph_size);
+ exit(EXIT_FAILURE);
+ }
+
+ if (!gph_load_addr) {
+ fprintf(stderr, "Error: invalid image load address %x\n",
+ gph_load_addr);
+ exit(EXIT_FAILURE);
+ }
+ printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
+}
+
+void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
+ int be)
+{
+ gph->size = size;
+ gph->load_addr = load_addr;
+ if (be)
+ to_be32(&gph->size, &gph->load_addr);
+}
+
+int gpimage_check_params(struct image_tool_params *params)
+{
+ return (params->dflag && (params->fflag || params->lflag)) ||
+ (params->fflag && (params->dflag || params->lflag)) ||
+ (params->lflag && (params->dflag || params->fflag));
+}