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56 lines
1.6 KiB
Diff
56 lines
1.6 KiB
Diff
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From 757b997f1f5a958e6fec3d5aee1ff5cdf5766711 Mon Sep 17 00:00:00 2001
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From: Weijie Gao <weijie.gao@mediatek.com>
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Date: Wed, 19 Jul 2023 17:17:45 +0800
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Subject: [PATCH 27/29] tools: mtk_image: use uint32_t for ghf header magic and
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version
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This patch converts magic and version fields of ghf common header
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to one field with the type of uint32_t to make this header flexible
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for futher updates.
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Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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---
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tools/mtk_image.c | 10 ++++++----
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tools/mtk_image.h | 6 +++---
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2 files changed, 9 insertions(+), 7 deletions(-)
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--- a/tools/mtk_image.c
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+++ b/tools/mtk_image.c
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@@ -542,11 +542,13 @@ static void put_brom_layout_header(struc
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hdr->type = cpu_to_le32(type);
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}
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-static void put_ghf_common_header(struct gfh_common_header *gfh, int size,
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- int type, int ver)
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+static void put_ghf_common_header(struct gfh_common_header *gfh, uint16_t size,
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+ uint16_t type, uint8_t ver)
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{
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- memcpy(gfh->magic, GFH_HEADER_MAGIC, sizeof(gfh->magic));
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- gfh->version = ver;
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+ uint32_t magic_version = GFH_HEADER_MAGIC |
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+ (uint32_t)ver << GFH_HEADER_VERSION_SHIFT;
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+
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+ gfh->magic_version = cpu_to_le32(magic_version);
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gfh->size = cpu_to_le16(size);
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gfh->type = cpu_to_le16(type);
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}
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--- a/tools/mtk_image.h
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+++ b/tools/mtk_image.h
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@@ -63,13 +63,13 @@ struct gen_device_header {
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/* BootROM header definitions */
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struct gfh_common_header {
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- uint8_t magic[3];
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- uint8_t version;
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+ uint32_t magic_version;
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uint16_t size;
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uint16_t type;
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};
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-#define GFH_HEADER_MAGIC "MMM"
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+#define GFH_HEADER_MAGIC 0x4D4D4D
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+#define GFH_HEADER_VERSION_SHIFT 24
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#define GFH_TYPE_FILE_INFO 0
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#define GFH_TYPE_BL_INFO 1
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