diff options
Diffstat (limited to 'arch/ia64/xen')
| -rw-r--r-- | arch/ia64/xen/Makefile | 16 | ||||
| -rw-r--r-- | arch/ia64/xen/gate-data.S | 3 | ||||
| -rw-r--r-- | arch/ia64/xen/xen_pv_ops.c | 32 |
3 files changed, 50 insertions, 1 deletions
diff --git a/arch/ia64/xen/Makefile b/arch/ia64/xen/Makefile index b4ca2e6c0ea..94f0d8e7d9d 100644 --- a/arch/ia64/xen/Makefile +++ b/arch/ia64/xen/Makefile @@ -3,10 +3,24 @@ # obj-y := hypercall.o xenivt.o xensetup.o xen_pv_ops.o irq_xen.o \ - hypervisor.o xencomm.o xcom_hcall.o grant-table.o time.o suspend.o + hypervisor.o xencomm.o xcom_hcall.o grant-table.o time.o suspend.o \ + gate-data.o obj-$(CONFIG_IA64_GENERIC) += machvec.o +# The gate DSO image is built using a special linker script. +include $(srctree)/arch/ia64/kernel/Makefile.gate + +# tell compiled for xen +CPPFLAGS_gate.lds += -D__IA64_GATE_PARAVIRTUALIZED_XEN + +# use same file of native. +$(obj)/gate.o: $(src)/../kernel/gate.S FORCE + $(call if_changed_dep,as_o_S) +$(obj)/gate.lds: $(src)/../kernel/gate.lds.S FORCE + $(call if_changed_dep,cpp_lds_S) + + AFLAGS_xenivt.o += -D__IA64_ASM_PARAVIRTUALIZED_XEN # xen multi compile diff --git a/arch/ia64/xen/gate-data.S b/arch/ia64/xen/gate-data.S new file mode 100644 index 00000000000..7d4830afc91 --- /dev/null +++ b/arch/ia64/xen/gate-data.S @@ -0,0 +1,3 @@ + .section .data.gate.xen, "aw" + + .incbin "arch/ia64/xen/gate.so" diff --git a/arch/ia64/xen/xen_pv_ops.c b/arch/ia64/xen/xen_pv_ops.c index d9133611434..bdf1acbce81 100644 --- a/arch/ia64/xen/xen_pv_ops.c +++ b/arch/ia64/xen/xen_pv_ops.c @@ -179,6 +179,37 @@ struct pv_fsys_data xen_fsys_data __initdata = { }; /*************************************************************************** + * pv_patchdata + * patchdata addresses + */ + +#define DECLARE(name) \ + extern unsigned long __xen_start_gate_##name##_patchlist[]; \ + extern unsigned long __xen_end_gate_##name##_patchlist[] + +DECLARE(fsyscall); +DECLARE(brl_fsys_bubble_down); +DECLARE(vtop); +DECLARE(mckinley_e9); + +extern unsigned long __xen_start_gate_section[]; + +#define ASSIGN(name) \ + .start_##name##_patchlist = \ + (unsigned long)__xen_start_gate_##name##_patchlist, \ + .end_##name##_patchlist = \ + (unsigned long)__xen_end_gate_##name##_patchlist + +static struct pv_patchdata xen_patchdata __initdata = { + ASSIGN(fsyscall), + ASSIGN(brl_fsys_bubble_down), + ASSIGN(vtop), + ASSIGN(mckinley_e9), + + .gate_section = (void*)__xen_start_gate_section, +}; + +/*************************************************************************** * pv_cpu_ops * intrinsics hooks. */ @@ -447,6 +478,7 @@ xen_setup_pv_ops(void) pv_info = xen_info; pv_init_ops = xen_init_ops; pv_fsys_data = xen_fsys_data; + pv_patchdata = xen_patchdata; pv_cpu_ops = xen_cpu_ops; pv_iosapic_ops = xen_iosapic_ops; pv_irq_ops = xen_irq_ops; |