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Commit 6db7016d authored by Rusty Russell's avatar Rusty Russell Committed by Linus Torvalds
Browse files

lguest: the asm offsets 



This is the structure offsets required by lg.ko's switcher.S.

Unfortunately we don't have infrastructure for private asm-offsets
creation.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d7e28ffe

arch/i386/kernel/asm-offsets.c

+20 −0
Original line number Diff line number Diff line
@@ -19,6 +19,11 @@ 


#include <xen/interface/xen.h>



#ifdef CONFIG_LGUEST_GUEST

#include <linux/lguest.h>

#include "../../../drivers/lguest/lg.h"

#endif



#define DEFINE(sym, val) \

        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
@@ -124,4 +129,19 @@ void foo(void) 
	OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask);

	OFFSET(XEN_vcpu_info_pending, vcpu_info, evtchn_upcall_pending);

#endif



#ifdef CONFIG_LGUEST_GUEST

	BLANK();

	OFFSET(LGUEST_DATA_irq_enabled, lguest_data, irq_enabled);

	OFFSET(LGUEST_PAGES_host_gdt_desc, lguest_pages, state.host_gdt_desc);

	OFFSET(LGUEST_PAGES_host_idt_desc, lguest_pages, state.host_idt_desc);

	OFFSET(LGUEST_PAGES_host_cr3, lguest_pages, state.host_cr3);

	OFFSET(LGUEST_PAGES_host_sp, lguest_pages, state.host_sp);

	OFFSET(LGUEST_PAGES_guest_gdt_desc, lguest_pages,state.guest_gdt_desc);

	OFFSET(LGUEST_PAGES_guest_idt_desc, lguest_pages,state.guest_idt_desc);

	OFFSET(LGUEST_PAGES_guest_gdt, lguest_pages, state.guest_gdt);

	OFFSET(LGUEST_PAGES_regs_trapnum, lguest_pages, regs.trapnum);

	OFFSET(LGUEST_PAGES_regs_errcode, lguest_pages, regs.errcode);

	OFFSET(LGUEST_PAGES_regs, lguest_pages, regs);

#endif

}