patch-2.4.20 linux-2.4.20/include/asm-x86_64/bootsetup.h

• Lines: 34
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-x86_64/bootsetup.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/include/asm-x86_64/bootsetup.h linux-2.4.20/include/asm-x86_64/bootsetup.h
@@ -0,0 +1,33 @@
+
+#ifndef _X86_64_BOOTSETUP_H
+#define _X86_64_BOOTSETUP_H 1
+
+extern char x86_boot_params[2048];
+
+/*
+ * This is set up by the setup-routine at boot-time
+ */
+#define PARAM	((unsigned char *)x86_boot_params)
+#define SCREEN_INFO (*(struct screen_info *) (PARAM+0))
+#define EXT_MEM_K (*(unsigned short *) (PARAM+2))
+#define ALT_MEM_K (*(unsigned int *) (PARAM+0x1e0))
+#define E820_MAP_NR (*(char*) (PARAM+E820NR))
+#define E820_MAP    ((struct e820entry *) (PARAM+E820MAP))
+#define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80))
+#define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0))
+#define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2))
+#define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8))
+#define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC))
+#define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF))
+#define LOADER_TYPE (*(unsigned char *) (PARAM+0x210))
+#define KERNEL_START (*(unsigned int *) (PARAM+0x214))
+#define INITRD_START (*(unsigned int *) (PARAM+0x218))
+#define INITRD_SIZE (*(unsigned int *) (PARAM+0x21c))
+#define COMMAND_LINE saved_command_line
+#define COMMAND_LINE_SIZE 256
+
+#define RAMDISK_IMAGE_START_MASK  	0x07FF
+#define RAMDISK_PROMPT_FLAG		0x8000
+#define RAMDISK_LOAD_FLAG		0x4000	
+
+#endif