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| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2008-10-17 04:18:04 +0200 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2008-10-17 19:05:46 +0200 |
| commit | 16583bc0b4871299a60cbcdd1c6e102e3f9b8e4b (patch) | |
| tree | 3c842ffd72058786b1487856234883825cdc1054 /arch/ia64 | |
| parent | ia64/pv_ops/xen: paravirtualize ivt.S for xen. (diff) | |
| download | linux-16583bc0b4871299a60cbcdd1c6e102e3f9b8e4b.tar.xz linux-16583bc0b4871299a60cbcdd1c6e102e3f9b8e4b.zip | |
ia64/pv_ops/xen: paravirtualize entry.S for ia64/xen.
paravirtualize entry.S for ia64/xen by multi compile.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/include/asm/xen/inst.h | 8 | ||||
| -rw-r--r-- | arch/ia64/xen/Makefile | 2 | ||||
| -rw-r--r-- | arch/ia64/xen/xen_pv_ops.c | 18 |
3 files changed, 27 insertions, 1 deletions
diff --git a/arch/ia64/include/asm/xen/inst.h b/arch/ia64/include/asm/xen/inst.h index e6a25c34c7a8..19c2ae1d878a 100644 --- a/arch/ia64/include/asm/xen/inst.h +++ b/arch/ia64/include/asm/xen/inst.h @@ -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; \ ;; \ diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile index 5c87e4a79d39..9b77e8ae4f34 100644 --- a/arch/ia64/xen/Makefile +++ b/arch/ia64/xen/Makefile @@ -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 diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c index c236f04ffad5..5b23cd5e9153 100644 --- a/arch/ia64/xen/xen_pv_ops.c +++ b/arch/ia64/xen/xen_pv_ops.c @@ -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); } |