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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/tools/omapimage.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/tools/omapimage.c')
-rw-r--r--roms/u-boot/tools/omapimage.c181
1 files changed, 181 insertions, 0 deletions
diff --git a/roms/u-boot/tools/omapimage.c b/roms/u-boot/tools/omapimage.c
new file mode 100644
index 000000000..c59cdcc79
--- /dev/null
+++ b/roms/u-boot/tools/omapimage.c
@@ -0,0 +1,181 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (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>
+ */
+
+#include "imagetool.h"
+#include <compiler.h>
+#include <image.h>
+#include "gpheader.h"
+#include "omapimage.h"
+
+#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
+
+/* Header size is CH header rounded up to 512 bytes plus GP header */
+#define OMAP_CH_HDR_SIZE 512
+#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
+
+static int do_swap32 = 0;
+
+static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE];
+
+static int omapimage_check_image_types(uint8_t type)
+{
+ if (type == IH_TYPE_OMAPIMAGE)
+ return EXIT_SUCCESS;
+ return EXIT_FAILURE;
+}
+
+static int omapimage_verify_header(unsigned char *ptr, int image_size,
+ struct image_tool_params *params)
+{
+ struct ch_toc *toc = (struct ch_toc *)ptr;
+ struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
+ uint32_t offset, size;
+
+ while (toc->section_offset != 0xffffffff
+ && toc->section_size != 0xffffffff) {
+ if (do_swap32) {
+ offset = cpu_to_be32(toc->section_offset);
+ size = cpu_to_be32(toc->section_size);
+ } else {
+ offset = toc->section_offset;
+ size = toc->section_size;
+ }
+ if (!offset || !size)
+ return -1;
+ if (offset >= OMAP_CH_HDR_SIZE ||
+ offset+size >= OMAP_CH_HDR_SIZE)
+ return -1;
+ toc++;
+ }
+
+ return gph_verify_header(gph, do_swap32);
+}
+
+static void omapimage_print_section(struct ch_settings *chs)
+{
+ const char *section_name;
+
+ if (chs->section_key)
+ section_name = "CHSETTINGS";
+ else
+ section_name = "UNKNOWNKEY";
+
+ printf("%s (%x) "
+ "valid:%x "
+ "version:%x "
+ "reserved:%x "
+ "flags:%x\n",
+ section_name,
+ chs->section_key,
+ chs->valid,
+ chs->version,
+ chs->reserved,
+ chs->flags);
+}
+
+static void omapimage_print_header(const void *ptr)
+{
+ const struct ch_toc *toc = (struct ch_toc *)ptr;
+ const struct gp_header *gph =
+ (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
+ uint32_t offset, size;
+
+ while (toc->section_offset != 0xffffffff
+ && toc->section_size != 0xffffffff) {
+ if (do_swap32) {
+ offset = cpu_to_be32(toc->section_offset);
+ size = cpu_to_be32(toc->section_size);
+ } else {
+ offset = toc->section_offset;
+ size = toc->section_size;
+ }
+
+ if (offset >= OMAP_CH_HDR_SIZE ||
+ offset+size >= OMAP_CH_HDR_SIZE)
+ exit(EXIT_FAILURE);
+
+ printf("Section %s offset %x length %x\n",
+ toc->section_name,
+ toc->section_offset,
+ toc->section_size);
+
+ omapimage_print_section((struct ch_settings *)(ptr+offset));
+ toc++;
+ }
+
+ gph_print_header(gph, do_swap32);
+}
+
+static int toc_offset(void *hdr, void *member)
+{
+ return member - hdr;
+}
+
+static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd,
+ struct image_tool_params *params)
+{
+ struct ch_toc *toc = (struct ch_toc *)ptr;
+ struct ch_settings *chs = (struct ch_settings *)
+ (ptr + 2 * sizeof(*toc));
+ struct gp_header *gph = (struct gp_header *)(ptr + OMAP_CH_HDR_SIZE);
+
+ toc->section_offset = toc_offset(ptr, chs);
+ toc->section_size = sizeof(struct ch_settings);
+ strcpy((char *)toc->section_name, "CHSETTINGS");
+
+ chs->section_key = KEY_CHSETTINGS;
+ chs->valid = 0;
+ chs->version = 1;
+ chs->reserved = 0;
+ chs->flags = 0;
+
+ toc++;
+ memset(toc, 0xff, sizeof(*toc));
+
+ gph_set_header(gph, sbuf->st_size - OMAP_CH_HDR_SIZE,
+ params->addr, 0);
+
+ if (strncmp(params->imagename, "byteswap", 8) == 0) {
+ do_swap32 = 1;
+ int swapped = 0;
+ uint32_t *data = (uint32_t *)ptr;
+ const off_t size_in_words =
+ DIV_ROUND_UP(sbuf->st_size, sizeof(uint32_t));
+
+ while (swapped < size_in_words) {
+ *data = cpu_to_be32(*data);
+ swapped++;
+ data++;
+ }
+ }
+}
+
+/*
+ * omapimage parameters
+ */
+U_BOOT_IMAGE_TYPE(
+ omapimage,
+ "TI OMAP CH/GP Boot Image support",
+ OMAP_FILE_HDR_SIZE,
+ (void *)&omapimage_header,
+ gpimage_check_params,
+ omapimage_verify_header,
+ omapimage_print_header,
+ omapimage_set_header,
+ NULL,
+ omapimage_check_image_types,
+ NULL,
+ NULL
+);