# HG changeset patch
# User Ian.Campbell@xxxxxxxxxxxxx
# Node ID ebfa1046a81f2243c9742ef0c5f99ccd255f99e5
# Parent 49bb240a05eef940cdcf15fe9265070acb72832d
Add include/asm-x86_64/e820.h to sparse tree
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxxxxx>
---
linux-2.6-xen-sparse/include/asm-x86_64/e820.h | 63 +++++++++++++++++++++++++
1 files changed, 63 insertions(+)
diff -r 49bb240a05ee -r ebfa1046a81f
linux-2.6-xen-sparse/include/asm-x86_64/e820.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/linux-2.6-xen-sparse/include/asm-x86_64/e820.h Mon May 22 09:21:58
2006 +0100
@@ -0,0 +1,63 @@
+/*
+ * structures and definitions for the int 15, ax=e820 memory map
+ * scheme.
+ *
+ * In a nutshell, setup.S populates a scratch table in the
+ * empty_zero_block that contains a list of usable address/size
+ * duples. setup.c, this information is transferred into the e820map,
+ * and in init.c/numa.c, that new information is used to mark pages
+ * reserved or not.
+ */
+#ifndef __E820_HEADER
+#define __E820_HEADER
+
+#include <linux/mmzone.h>
+
+#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)
+
+#define LOWMEMSIZE() (0x9f000)
+
+#ifndef __ASSEMBLY__
+struct e820entry {
+ u64 addr; /* start of memory segment */
+ u64 size; /* size of memory segment */
+ u32 type; /* type of memory segment */
+} __attribute__((packed));
+
+struct e820map {
+ int nr_map;
+ struct e820entry map[E820MAX];
+};
+
+extern unsigned long find_e820_area(unsigned long start, unsigned long end,
+ unsigned size);
+extern void add_memory_region(unsigned long start, unsigned long size,
+ int type);
+extern void setup_memory_region(void);
+extern void contig_e820_setup(void);
+extern unsigned long e820_end_of_ram(void);
+extern void e820_reserve_resources(void);
+extern void e820_print_map(char *who);
+extern int e820_mapped(unsigned long start, unsigned long end, unsigned type);
+
+extern void e820_bootmem_free(pg_data_t *pgdat, unsigned long start,unsigned
long end);
+extern void e820_setup_gap(void);
+extern unsigned long e820_hole_size(unsigned long start_pfn,
+ unsigned long end_pfn);
+
+extern void __init parse_memopt(char *p, char **end);
+extern void __init parse_memmapopt(char *p, char **end);
+
+extern struct e820map e820;
+#endif/*!__ASSEMBLY__*/
+
+#endif/*__E820_HEADER*/
_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog
|
Home