mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-27 21:08:26 +02:00
remove trx stuff from ar7 images and flash map
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1524 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
09c7cf3612
commit
5e97d0cb64
@ -41,19 +41,17 @@ $(BIN_DIR)/openwrt-ar7-zimage.bin: $(KDIR)/vmlinux.gz compile
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-o $(KDIR)/loader
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$(TARGET_CROSS)objcopy -O srec $(KDIR)/loader $(KDIR)/ram_zimage.sre
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$(PKG_BUILD_DIR)/srec2bin $(KDIR)/ram_zimage.sre $@
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dd if=/dev/zero bs=1024 count=1 >> $@
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ALIGN:=1024
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ifeq ($(FS),jffs2-8MB)
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ALIGN:=131072
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ALIGN:=bs=131072 conv=sync
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endif
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ifeq ($(FS),jffs2-4MB)
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ALIGN:=65536
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ALIGN:=bs=65536 conv=sync
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endif
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$(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin:
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dd if=$(BIN_DIR)/openwrt-ar7-zimage.bin bs=$(ALIGN) conv=sync | head -c -1024 > $@
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$(STAGING_DIR)/bin/trx -a 1024 $(BUILD_DIR)/linux-$(KERNEL)-ar7/root.$(FS) >> $@
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dd if=$(BIN_DIR)/openwrt-ar7-zimage.bin $(ALIGN) > $@
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cat $(BUILD_DIR)/linux-$(KERNEL)-ar7/root.$(FS) >> $@
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define pattern_template
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$(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS)-$(1).bin: $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin
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@ -1,7 +1,7 @@
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diff -urN linux.old/drivers/mtd/maps/ar7-flash.c linux.dev/drivers/mtd/maps/ar7-flash.c
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--- linux.old/drivers/mtd/maps/ar7-flash.c 1970-01-01 01:00:00.000000000 +0100
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+++ linux.dev/drivers/mtd/maps/ar7-flash.c 2005-07-21 09:01:39.994240680 +0200
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@@ -0,0 +1,272 @@
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+++ linux.dev/drivers/mtd/maps/ar7-flash.c 2005-07-22 04:35:26.624453992 +0200
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@@ -0,0 +1,265 @@
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+/*
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+ * $Id$
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+ *
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@ -16,7 +16,7 @@ diff -urN linux.old/drivers/mtd/maps/ar7-flash.c linux.dev/drivers/mtd/maps/ar7-
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+#include <linux/mtd/map.h>
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+#include <linux/config.h>
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+#include <linux/mtd/partitions.h>
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+#include "trxhdr.h"
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+#include <linux/squashfs_fs.h>
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+
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+#define WINDOW_ADDR CONFIG_MTD_AR7_START
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+#define WINDOW_SIZE CONFIG_MTD_AR7_LEN
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@ -136,7 +136,6 @@ diff -urN linux.old/drivers/mtd/maps/ar7-flash.c linux.dev/drivers/mtd/maps/ar7-
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+ unsigned int p = 0;
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+ unsigned char *flash_base;
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+ unsigned char *flash_end;
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+ struct trx_header hdr;
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+ char *env_ptr;
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+ char *base_ptr;
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+ char *end_ptr;
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@ -186,7 +185,7 @@ diff -urN linux.old/drivers/mtd/maps/ar7-flash.c linux.dev/drivers/mtd/maps/ar7-
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+ if (config_offset > offset)
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+ config_offset = offset; // reserved at the end of the flash chip
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+ } else if (offset > 0x30000) {
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+ printk("Assuming rootfs offset of 0x%x\n", offset);
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+ printk("Assuming default rootfs offset of 0x%x\n", offset);
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+ rootfs_start = offset; // probably root fs
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+ }
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+
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@ -205,27 +204,15 @@ diff -urN linux.old/drivers/mtd/maps/ar7-flash.c linux.dev/drivers/mtd/maps/ar7-
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+ ar7_partinfo[p].size = config_offset - adam2_size;
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+ ar7_partinfo[p++].mask_flags = 0;
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+
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+ for (offset = adam2_size; !found && (offset < rootfs_start); offset += 1024) {
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+ if (ar7_read32(&ar7_map, offset) == TRX_MAGIC) {
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+ found = 1;
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+ rootfs_start = offset;
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+ }
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+ if (ar7_read32(&ar7_map, adam2_size) == 0xfeedfa42) {
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+ rootfs_start = ar7_read32(&ar7_map, adam2_size + 4) + adam2_size + 28;
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+ printk("Setting new rootfs offset to %08x\n", rootfs_start);
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+ }
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+
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+ ar7_partinfo[p].name = strdup("rootfs");
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+ ar7_partinfo[p].offset = rootfs_start;
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+ ar7_partinfo[p].size = config_offset - rootfs_start;
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+
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+ ar7_copy_from(&ar7_map, &hdr, rootfs_start, sizeof(hdr));
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+ if (hdr.magic == TRX_MAGIC) {
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+ printk("TRX header in rootfs partition detected.\n");
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+ printk("offset[0] = 0x%05x\n", hdr.offsets[0]);
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+ printk("offset[1] = 0x%05x\n", hdr.offsets[1]);
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+ printk("offset[2] = 0x%05x\n", hdr.offsets[2]);
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+ ar7_partinfo[p].offset += hdr.offsets[0];
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+ ar7_partinfo[p].size -= hdr.offsets[0];
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+ }
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+
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+ ar7_partinfo[p++].mask_flags = 0;
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+
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+ ar7_partinfo[p].name = strdup("config");
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@ -233,24 +220,30 @@ diff -urN linux.old/drivers/mtd/maps/ar7-flash.c linux.dev/drivers/mtd/maps/ar7-
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+ ar7_partinfo[p].size = WINDOW_SIZE - config_offset;
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+ ar7_partinfo[p++].mask_flags = 0;
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+
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+ if (ar7_read32(&ar7_map, rootfs_start + hdr.offsets[0]) == 0x73717368) {
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+ int newsize;
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+
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+ printk("Squashfs detected. Adding extra partition\n");
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+ newsize = hdr.len;
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+ if (newsize % ar7_mtd_info->erasesize)
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+ newsize += ar7_mtd_info->erasesize - ((newsize + hdr.offsets[0]) % ar7_mtd_info->erasesize);
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+
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+ if (ar7_read32(&ar7_map, rootfs_start) == SQUASHFS_MAGIC) {
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+ int newsize, newoffset;
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+ squashfs_super_block sb;
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+
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+ ar7_copy_from(&ar7_map, &sb, rootfs_start, sizeof(sb));
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+ printk("Squashfs detected (size = 0x%08x)\n", sb.bytes_used);
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+
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+ newoffset = rootfs_start + sb.bytes_used;
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+
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+ if ((newoffset % ar7_mtd_info->erasesize) > 0)
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+ newoffset += ar7_mtd_info->erasesize - (newoffset % ar7_mtd_info->erasesize);
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+
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+ ar7_partinfo[p - 2].size = newoffset - rootfs_start;
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+
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+ ar7_partinfo[p].name = strdup("OpenWrt");
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+ ar7_partinfo[p].offset = rootfs_start + newsize;
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+ ar7_partinfo[p].size = ar7_partinfo[p - 2].size + hdr.offsets[0] - newsize;
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+ ar7_partinfo[p - 2].size = newsize - hdr.offsets[0];
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+
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+ p++;
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+ ar7_partinfo[p].offset = newoffset;
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+ ar7_partinfo[p].size = config_offset - newoffset;
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+ ar7_partinfo[p++].mask_flags = 0;
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+ } else {
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+ printk("Unknown filesystem. Moving rootfs partition to next erase block");
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+ if ((rootfs_start % ar7_mtd_info->erasesize) > 0)
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+ rootfs_start += ar7_mtd_info->erasesize - (rootfs_start % ar7_mtd_info->erasesize);
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+ }
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+
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+
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+ return p;
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+}
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+
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@ -310,36 +303,3 @@ diff -urN linux.old/drivers/mtd/maps/Makefile linux.dev/drivers/mtd/maps/Makefil
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obj-$(CONFIG_MTD_CDB89712) += cdb89712.o
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obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o
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obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o
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diff -urN linux.old/drivers/mtd/maps/trxhdr.h linux.dev/drivers/mtd/maps/trxhdr.h
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--- linux.old/drivers/mtd/maps/trxhdr.h 1970-01-01 01:00:00.000000000 +0100
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+++ linux.dev/drivers/mtd/maps/trxhdr.h 2005-07-10 20:50:43.550827000 +0200
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@@ -0,0 +1,29 @@
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+/*
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+ * TRX image file header format.
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+ *
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+ * Copyright 2005, Broadcom Corporation
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+ * All Rights Reserved.
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+ *
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+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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+ *
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+ * $Id$
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+ */
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+
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+
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+#define TRX_MAGIC 0x30524448 /* "HDR0" */
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+#define TRX_VERSION 1
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+#define TRX_MAX_LEN 0x3A0000
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+#define TRX_NO_HEADER 1 /* Do not write TRX header */
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+#define TRX_GZ_FILES 0x2 /* Contains up to TRX_MAX_OFFSET individual gzip files */
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+#define TRX_MAX_OFFSET 3
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+
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+struct trx_header {
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+ __u32 magic; /* "HDR0" */
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+ __u32 len; /* Length of file including header */
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+ __u32 crc32; /* 32-bit CRC from flag_version to end of file */
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+ __u32 flag_version; /* 0:15 flags, 16:31 version */
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+ __u32 offsets[TRX_MAX_OFFSET]; /* Offsets of partitions from start of header */
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+};
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