diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/xen/hypercall.h')
-rw-r--r-- | libc/kernel/arch-x86/asm/xen/hypercall.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libc/kernel/arch-x86/asm/xen/hypercall.h b/libc/kernel/arch-x86/asm/xen/hypercall.h new file mode 100644 index 0000000..3c523a8 --- /dev/null +++ b/libc/kernel/arch-x86/asm/xen/hypercall.h @@ -0,0 +1,34 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef __HYPERCALL_H__ +#define __HYPERCALL_H__ + +#include <linux/errno.h> +#include <linux/string.h> + +#include <xen/interface/xen.h> +#include <xen/interface/sched.h> +#include <xen/interface/physdev.h> + +#define _hypercall0(type, name) ({ long __res; asm volatile ( "call %[call]" : "=a" (__res) : [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) + +#define _hypercall1(type, name, a1) ({ long __res, __ign1; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1) : "1" ((long)(a1)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) + +#define _hypercall2(type, name, a1, a2) ({ long __res, __ign1, __ign2; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2) : "1" ((long)(a1)), "2" ((long)(a2)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) + +#define _hypercall3(type, name, a1, a2, a3) ({ long __res, __ign1, __ign2, __ign3; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2), "=d" (__ign3) : "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) + +#define _hypercall4(type, name, a1, a2, a3, a4) ({ long __res, __ign1, __ign2, __ign3, __ign4; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2), "=d" (__ign3), "=S" (__ign4) : "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), "4" ((long)(a4)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) + +#define _hypercall5(type, name, a1, a2, a3, a4, a5) ({ long __res, __ign1, __ign2, __ign3, __ign4, __ign5; asm volatile ( "call %[call]" : "=a" (__res), "=b" (__ign1), "=c" (__ign2), "=d" (__ign3), "=S" (__ign4), "=D" (__ign5) : "1" ((long)(a1)), "2" ((long)(a2)), "3" ((long)(a3)), "4" ((long)(a4)), "5" ((long)(a5)), [call] "m" (hypercall_page[__HYPERVISOR_##name]) : "memory" ); (type)__res; }) + +#endif |