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lguest: the host code

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This is the code for the "lg.ko" module, which allows lguest guests to
be launched.

[akpm@linux-foundation.org: update for futex-new-private-futexes]
[akpm@linux-foundation.org: build fix]
[jmorris@namei.org: lguest: use hrtimers]
[akpm@linux-foundation.org: x86_64 build fix]
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
Cc: Eric Dumazet <dada1@cosmosbay.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rusty Russell 2007-07-19 01:49:23 -07:00 • committed by Linus Torvalds
parent 07ad157f6e
commit d7e28ffe6c
17 changed files with 2703 additions and 35 deletions
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12
include/linux/lguest.h
View file

@ -3,11 +3,6 @@
#ifndef _ASM_LGUEST_H
#define _ASM_LGUEST_H
/* These are randomly chosen numbers which indicate we're an lguest at boot */
#define LGUEST_MAGIC_EBP 0x4C687970
#define LGUEST_MAGIC_EDI 0x652D4D65
#define LGUEST_MAGIC_ESI 0xFFFFFFFF
#ifndef __ASSEMBLY__
#include <asm/irq.h>
@ -20,7 +15,7 @@
#define LHCALL_LOAD_IDT_ENTRY 6
#define LHCALL_SET_STACK 7
#define LHCALL_TS 8
#define LHCALL_TIMER_READ 9
#define LHCALL_SET_CLOCKEVENT 9
#define LHCALL_HALT 10
#define LHCALL_GET_WALLCLOCK 11
#define LHCALL_BIND_DMA 12
@ -29,6 +24,9 @@
#define LHCALL_SET_PMD 15
#define LHCALL_LOAD_TLS 16
#define LG_CLOCK_MIN_DELTA 100UL
#define LG_CLOCK_MAX_DELTA ULONG_MAX
#define LGUEST_TRAP_ENTRY 0x1F
static inline unsigned long
@ -75,6 +73,8 @@ struct lguest_data
unsigned long reserve_mem;
/* ID of this guest (used by network driver to set ethernet address) */
u16 guestid;
/* KHz for the TSC clock. */
u32 tsc_khz;
/* Fields initialized by the guest at boot: */
/* Instruction range to suppress interrupts even if enabled */