aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/xen
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/xen')
-rw-r--r--arch/arm/xen/hypercall.S14
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/arm/xen/hypercall.S b/arch/arm/xen/hypercall.S
index 074f5ed101b9..71f723984cbd 100644
--- a/arch/arm/xen/hypercall.S
+++ b/arch/arm/xen/hypercall.S
@@ -48,20 +48,16 @@
48 48
49#include <linux/linkage.h> 49#include <linux/linkage.h>
50#include <asm/assembler.h> 50#include <asm/assembler.h>
51#include <asm/opcodes-virt.h>
51#include <xen/interface/xen.h> 52#include <xen/interface/xen.h>
52 53
53 54
54/* HVC 0xEA1 */ 55#define XEN_IMM 0xEA1
55#ifdef CONFIG_THUMB2_KERNEL
56#define xen_hvc .word 0xf7e08ea1
57#else
58#define xen_hvc .word 0xe140ea71
59#endif
60 56
61#define HYPERCALL_SIMPLE(hypercall) \ 57#define HYPERCALL_SIMPLE(hypercall) \
62ENTRY(HYPERVISOR_##hypercall) \ 58ENTRY(HYPERVISOR_##hypercall) \
63 mov r12, #__HYPERVISOR_##hypercall; \ 59 mov r12, #__HYPERVISOR_##hypercall; \
64 xen_hvc; \ 60 __HVC(XEN_IMM); \
65 mov pc, lr; \ 61 mov pc, lr; \
66ENDPROC(HYPERVISOR_##hypercall) 62ENDPROC(HYPERVISOR_##hypercall)
67 63
@@ -76,7 +72,7 @@ ENTRY(HYPERVISOR_##hypercall) \
76 stmdb sp!, {r4} \ 72 stmdb sp!, {r4} \
77 ldr r4, [sp, #4] \ 73 ldr r4, [sp, #4] \
78 mov r12, #__HYPERVISOR_##hypercall; \ 74 mov r12, #__HYPERVISOR_##hypercall; \
79 xen_hvc \ 75 __HVC(XEN_IMM); \
80 ldm sp!, {r4} \ 76 ldm sp!, {r4} \
81 mov pc, lr \ 77 mov pc, lr \
82ENDPROC(HYPERVISOR_##hypercall) 78ENDPROC(HYPERVISOR_##hypercall)
@@ -100,7 +96,7 @@ ENTRY(privcmd_call)
100 mov r2, r3 96 mov r2, r3
101 ldr r3, [sp, #8] 97 ldr r3, [sp, #8]
102 ldr r4, [sp, #4] 98 ldr r4, [sp, #4]
103 xen_hvc 99 __HVC(XEN_IMM)
104 ldm sp!, {r4} 100 ldm sp!, {r4}
105 mov pc, lr 101 mov pc, lr
106ENDPROC(privcmd_call); 102ENDPROC(privcmd_call);