http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/asm-i386/e820.h

/* * structures and definitions for the int 15, ax=e820 memory map * scheme. * * In a nutshell, arch/i386/boot/setup.S populates a scratch table * in the empty_zero_block that contains a list of usable address/size * duples. In arch/i386/kernel/setup.c, this information is * transferred into the e820map, and in arch/i386/mm/init.c, that * new information is used to mark pages reserved or not. * */ #ifndef __E820_HEADER #define __E820_HEADER #define E820MAP 0x2d0 /* our map */ #define E820MAX 128 /* number of entries in E820MAP */ #define E820NR 0x1e8 /* # entries in E820MAP */ #define E820_RAM 1 #define E820_RESERVED 2 #define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */ #define E820_NVS 4 #define HIGH_MEMORY (1024*1024) #ifndef __ASSEMBLY__ struct e820map { int nr_map; struct e820entry { unsigned long long addr; /* start of memory segment */ unsigned long long size; /* size of memory segment */ unsigned long type; /* type of memory segment */ } map[E820MAX]; }; extern struct e820map e820; #endif/*!__ASSEMBLY__*/ #endif/*__E820_HEADER*/