diff options
| -rw-r--r-- | arch/arm/include/asm/xen/hypercall.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/include/asm/xen/hypercall.h b/arch/arm/include/asm/xen/hypercall.h index a4fd077079..121ccfcc60 100644 --- a/arch/arm/include/asm/xen/hypercall.h +++ b/arch/arm/include/asm/xen/hypercall.h @@ -19,4 +19,10 @@ int HYPERVISOR_sched_op(int cmd, void *arg); int HYPERVISOR_event_channel_op(int cmd, void *arg); unsigned long HYPERVISOR_hvm_op(int op, void *arg); int HYPERVISOR_memory_op(unsigned int cmd, void *arg); + +static inline void xen_debug_putc(int c) +{ + register int v __asm__ ("x0") = c; + __asm__ __volatile__("hvc 0xfffe" : "=r" (v) : "0" (v)); +} #endif /* _ASM_ARM_XEN_HYPERCALL_H */ |