Commit 16583bc0 authored by Isaku Yamahata's avatar Isaku Yamahata Committed by Tony Luck
Browse files

ia64/pv_ops/xen: paravirtualize entry.S for ia64/xen. 



paravirtualize entry.S for ia64/xen by multi compile.

Signed-off-by: default avatarIsaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 5142ec46

arch/ia64/include/asm/xen/inst.h

+8 −0
Original line number Diff line number Diff line
@@ -25,6 +25,14 @@ 
#define ia64_ivt				xen_ivt

#define DO_SAVE_MIN				XEN_DO_SAVE_MIN



#define __paravirt_switch_to			xen_switch_to

#define __paravirt_leave_syscall		xen_leave_syscall

#define __paravirt_work_processed_syscall	xen_work_processed_syscall

#define __paravirt_leave_kernel			xen_leave_kernel

#define __paravirt_pending_syscall_end		xen_work_pending_syscall_end

#define __paravirt_work_processed_syscall_target \

						xen_work_processed_syscall



#define MOV_FROM_IFA(reg)	\

	movl reg = XSI_IFA;	\

	;;			\

arch/ia64/xen/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -8,7 +8,7 @@ obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o \ 
AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN



# xen multi compile

ASM_PARAVIRT_MULTI_COMPILE_SRCS = ivt.S

ASM_PARAVIRT_MULTI_COMPILE_SRCS = ivt.S entry.S

ASM_PARAVIRT_OBJS = $(addprefix xen-,$(ASM_PARAVIRT_MULTI_COMPILE_SRCS:.S=.o))

obj-y += $(ASM_PARAVIRT_OBJS)

define paravirtualized_xen

arch/ia64/xen/xen_pv_ops.c

+18 −0
Original line number Diff line number Diff line
@@ -275,6 +275,22 @@ static const struct pv_cpu_ops xen_cpu_ops __initdata = { 
			= xen_intrin_local_irq_restore,

};



/******************************************************************************

 * replacement of hand written assembly codes.

 */



extern char xen_switch_to;

extern char xen_leave_syscall;

extern char xen_work_processed_syscall;

extern char xen_leave_kernel;



const struct pv_cpu_asm_switch xen_cpu_asm_switch = {

	.switch_to		= (unsigned long)&xen_switch_to,

	.leave_syscall		= (unsigned long)&xen_leave_syscall,

	.work_processed_syscall	= (unsigned long)&xen_work_processed_syscall,

	.leave_kernel		= (unsigned long)&xen_leave_kernel,

};



/***************************************************************************

 * pv_ops initialization

 */
@@ -286,4 +302,6 @@ xen_setup_pv_ops(void) 
	pv_info = xen_info;

	pv_init_ops = xen_init_ops;

	pv_cpu_ops = xen_cpu_ops;



	paravirt_cpu_asm_init(&xen_cpu_asm_switch);

}