[SeaBIOS] [PATCH 01/10] Xen: Guest Handlers and Copyrights

[Daniel Castro]

These are used as part of the Xen hypercall interfaces.

Signed-off-by: Daniel Castro 
---
 src/xen.h |   61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 58 insertions(+), 3 deletions(-)

diff --git a/src/xen.h b/src/xen.h
index 0ed1e9f..f65078a 100644
--- a/src/xen.h
+++ b/src/xen.h
@@ -17,6 +17,8 @@ static inline int usingXen(void) {
 }

unsigned long xen_hypercall_page;
+typedef unsigned long xen_ulong_t;
+typedef unsigned long xen_pfn_t;

#define _hypercall0(type, name)                                         \
 ({                                                                      \
@@ -121,15 +123,68 @@ unsigned long xen_hypercall_page;
  * DEALINGS IN THE SOFTWARE.
  */

-/* xen.h */
+/******************************************************************************
+ * arch-x86/xen.h
+ *
+ * Guest OS interface to x86 Xen.
+ *
+ * Copyright (c) 2004-2006, K A Fraser
+ */

-#define __HYPERVISOR_xen_version          17

-/* version.h */
+/* Structural guest handles introduced in 0x00030201. */
+#define ___DEFINE_XEN_GUEST_HANDLE(name, type) \
+    typedef struct { type *p; } __guest_handle_ ## name
+
+#define __DEFINE_XEN_GUEST_HANDLE(name, type) \
+    ___DEFINE_XEN_GUEST_HANDLE(name, type);   \
+    ___DEFINE_XEN_GUEST_HANDLE(const_##name, const type)
+#define DEFINE_XEN_GUEST_HANDLE(name)   __DEFINE_XEN_GUEST_HANDLE(name, name)
+#define __XEN_GUEST_HANDLE(name)        __guest_handle_ ## name
+#define XEN_GUEST_HANDLE(name)          __XEN_GUEST_HANDLE(name)
+#define set_xen_guest_handle_raw(hnd, val)  do { (hnd).p = val; } while (0)
+#define set_xen_guest_handle(hnd, val) set_xen_guest_handle_raw(hnd, val)
+
+/******************************************************************************
+ * version.h
+ *
+ * Xen version, type, and compile information.
+ *
+ * Copyright (c) 2005, Nguyen Anh Quynh 
+ * Copyright (c) 2005, Keir Fraser 
+ */

/* arg == xen_extraversion_t. */
 #define XENVER_extraversion 1
 typedef char xen_extraversion_t[16];
 #define XEN_EXTRAVERSION_LEN (sizeof(xen_extraversion_t))

+/******************************************************************************
+ * xen.h
+ *
+ * Guest OS interface to Xen.
+ *
+ * Copyright (c) 2004, K A Fraser
+ */
+
+#define DOMID_SELF  (0x7FF0U)
+
+/* Guest handles for primitive C types. */
+DEFINE_XEN_GUEST_HANDLE(char);
+__DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char);
+DEFINE_XEN_GUEST_HANDLE(int);
+__DEFINE_XEN_GUEST_HANDLE(uint,  unsigned int);
+DEFINE_XEN_GUEST_HANDLE(long);
+__DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long);
+DEFINE_XEN_GUEST_HANDLE(void);
+
+DEFINE_XEN_GUEST_HANDLE(u64);
+DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
+
+__DEFINE_XEN_GUEST_HANDLE(u8,  u8);
+__DEFINE_XEN_GUEST_HANDLE(u16, u16);
+__DEFINE_XEN_GUEST_HANDLE(u32, u32);
+
+#define __HYPERVISOR_xen_version          17
+
 #endif