From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/include/linux/flat.h | 58 ++++++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 42 insertions(+), 16 deletions(-)
diff --git a/kernel/include/linux/flat.h b/kernel/include/linux/flat.h
index 569b67d..83977c0 100644
--- a/kernel/include/linux/flat.h
+++ b/kernel/include/linux/flat.h
@@ -10,8 +10,41 @@
#ifndef _LINUX_FLAT_H
#define _LINUX_FLAT_H
-#include <uapi/linux/flat.h>
-#include <asm/flat.h>
+#define FLAT_VERSION 0x00000004L
+
+/*
+ * To make everything easier to port and manage cross platform
+ * development, all fields are in network byte order.
+ */
+
+struct flat_hdr {
+ char magic[4];
+ __be32 rev; /* version (as above) */
+ __be32 entry; /* Offset of first executable instruction
+ with text segment from beginning of file */
+ __be32 data_start; /* Offset of data segment from beginning of
+ file */
+ __be32 data_end; /* Offset of end of data segment from beginning
+ of file */
+ __be32 bss_end; /* Offset of end of bss segment from beginning
+ of file */
+
+ /* (It is assumed that data_end through bss_end forms the bss segment.) */
+
+ __be32 stack_size; /* Size of stack, in bytes */
+ __be32 reloc_start; /* Offset of relocation records from beginning of
+ file */
+ __be32 reloc_count; /* Number of relocation records */
+ __be32 flags;
+ __be32 build_date; /* When the program/library was built */
+ __u32 filler[5]; /* Reservered, set to zero */
+};
+
+#define FLAT_FLAG_RAM 0x0001 /* load program entirely into RAM */
+#define FLAT_FLAG_GOTPIC 0x0002 /* program is PIC with GOT */
+#define FLAT_FLAG_GZIP 0x0004 /* all but the header is compressed */
+#define FLAT_FLAG_GZDATA 0x0008 /* only data/relocs are compressed (for XIP) */
+#define FLAT_FLAG_KTRACE 0x0010 /* output useful kernel trace for debugging */
/*
* While it would be nice to keep this header clean, users of older
@@ -22,28 +55,21 @@
* with the format above, except to fix bugs with old format support.
*/
-#include <asm/byteorder.h>
-
#define OLD_FLAT_VERSION 0x00000002L
#define OLD_FLAT_RELOC_TYPE_TEXT 0
#define OLD_FLAT_RELOC_TYPE_DATA 1
#define OLD_FLAT_RELOC_TYPE_BSS 2
typedef union {
- unsigned long value;
+ u32 value;
struct {
-# if defined(mc68000) && !defined(CONFIG_COLDFIRE)
- signed long offset : 30;
- unsigned long type : 2;
-# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
+#if defined(__LITTLE_ENDIAN_BITFIELD) || \
+ (defined(mc68000) && !defined(CONFIG_COLDFIRE))
+ s32 offset : 30;
+ u32 type : 2;
# elif defined(__BIG_ENDIAN_BITFIELD)
- unsigned long type : 2;
- signed long offset : 30;
-# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
-# elif defined(__LITTLE_ENDIAN_BITFIELD)
- signed long offset : 30;
- unsigned long type : 2;
-# define OLD_FLAT_FLAG_RAM 0x1 /* load program entirely into RAM */
+ u32 type : 2;
+ s32 offset : 30;
# else
# error "Unknown bitfield order for flat files."
# endif
--
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