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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2012-10-24 17:26:08 +0200 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-10-30 15:41:19 +0100 |
| commit | c8d258a7b2b6633b79cad4464e8dfb3dc328d897 (patch) | |
| tree | ffa3d9a065fcebc867d12abcbd9b1b3d1298dbcb /arch/arm | |
| parent | xen/xenbus: fix overflow check in xenbus_file_write() (diff) | |
| download | linux-c8d258a7b2b6633b79cad4464e8dfb3dc328d897.tar.xz linux-c8d258a7b2b6633b79cad4464e8dfb3dc328d897.zip | |
xen/arm: use the __HVC macro
Use the new __HVC macro in hypercall.S.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/xen/hypercall.S | 14 |
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 @@ #include <linux/linkage.h> #include <asm/assembler.h> +#include <asm/opcodes-virt.h> #include <xen/interface/xen.h> -/* HVC 0xEA1 */ -#ifdef CONFIG_THUMB2_KERNEL -#define xen_hvc .word 0xf7e08ea1 -#else -#define xen_hvc .word 0xe140ea71 -#endif +#define XEN_IMM 0xEA1 #define HYPERCALL_SIMPLE(hypercall) \ ENTRY(HYPERVISOR_##hypercall) \ mov r12, #__HYPERVISOR_##hypercall; \ - xen_hvc; \ + __HVC(XEN_IMM); \ mov pc, lr; \ ENDPROC(HYPERVISOR_##hypercall) @@ -76,7 +72,7 @@ ENTRY(HYPERVISOR_##hypercall) \ stmdb sp!, {r4} \ ldr r4, [sp, #4] \ mov r12, #__HYPERVISOR_##hypercall; \ - xen_hvc \ + __HVC(XEN_IMM); \ ldm sp!, {r4} \ mov pc, lr \ ENDPROC(HYPERVISOR_##hypercall) @@ -100,7 +96,7 @@ ENTRY(privcmd_call) mov r2, r3 ldr r3, [sp, #8] ldr r4, [sp, #4] - xen_hvc + __HVC(XEN_IMM) ldm sp!, {r4} mov pc, lr ENDPROC(privcmd_call); |