ia64/xen-unstable

view xen/include/public/arch-powerpc.h @ 12979:4f0d213ec924

[POWERPC][XEN] Build fixes.
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
author Hollis Blanchard <hollisb@us.ibm.com>
date Tue Dec 12 10:23:58 2006 -0600 (2006-12-12)
parents 8f09c7d6bad1
children 8101efde7493
line source
1 /*
2 * Permission is hereby granted, free of charge, to any person obtaining a copy
3 * of this software and associated documentation files (the "Software"), to
4 * deal in the Software without restriction, including without limitation the
5 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
6 * sell copies of the Software, and to permit persons to whom the Software is
7 * furnished to do so, subject to the following conditions:
8 *
9 * The above copyright notice and this permission notice shall be included in
10 * all copies or substantial portions of the Software.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
17 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
18 * DEALINGS IN THE SOFTWARE.
19 *
20 * Copyright (C) IBM Corp. 2005, 2006
21 *
22 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
23 */
25 #ifndef __XEN_PUBLIC_ARCH_PPC_64_H__
26 #define __XEN_PUBLIC_ARCH_PPC_64_H__
28 #define __DEFINE_XEN_GUEST_HANDLE(name, type) \
29 typedef struct { \
30 int __pad[(sizeof (long long) - sizeof (void *)) / sizeof (int)]; \
31 type *p; \
32 } __attribute__((__aligned__(8))) __guest_handle_ ## name
34 #define DEFINE_XEN_GUEST_HANDLE(name) __DEFINE_XEN_GUEST_HANDLE(name, name)
35 #define XEN_GUEST_HANDLE(name) __guest_handle_ ## name
36 #define set_xen_guest_handle(hnd, val) \
37 do { \
38 if (sizeof ((hnd).__pad)) \
39 (hnd).__pad[0] = 0; \
40 (hnd).p = val; \
41 } while (0)
43 #ifdef __XEN_TOOLS__
44 #define get_xen_guest_handle(val, hnd) do { val = (hnd).p; } while (0)
45 #endif
47 #ifndef __ASSEMBLY__
48 /* Guest handles for primitive C types. */
49 __DEFINE_XEN_GUEST_HANDLE(uchar, unsigned char);
50 __DEFINE_XEN_GUEST_HANDLE(uint, unsigned int);
51 __DEFINE_XEN_GUEST_HANDLE(ulong, unsigned long);
52 DEFINE_XEN_GUEST_HANDLE(char);
53 DEFINE_XEN_GUEST_HANDLE(int);
54 DEFINE_XEN_GUEST_HANDLE(long);
55 DEFINE_XEN_GUEST_HANDLE(void);
57 typedef unsigned long long xen_pfn_t;
58 DEFINE_XEN_GUEST_HANDLE(xen_pfn_t);
59 #endif
61 /*
62 * Pointers and other address fields inside interface structures are padded to
63 * 64 bits. This means that field alignments aren't different between 32- and
64 * 64-bit architectures.
65 */
66 /* NB. Multi-level macro ensures __LINE__ is expanded before concatenation. */
67 #define __MEMORY_PADDING(_X)
68 #define _MEMORY_PADDING(_X) __MEMORY_PADDING(_X)
69 #define MEMORY_PADDING _MEMORY_PADDING(__LINE__)
71 /* And the trap vector is... */
72 #define TRAP_INSTR "li 0,-1; sc" /* XXX just "sc"? */
74 #ifndef __ASSEMBLY__
76 #define XENCOMM_INLINE_FLAG (1UL << 63)
78 typedef uint64_t xen_ulong_t;
80 /* User-accessible registers: need to be saved/restored for every nested Xen
81 * invocation. */
82 struct cpu_user_regs
83 {
84 uint64_t gprs[32];
85 uint64_t lr;
86 uint64_t ctr;
87 uint64_t srr0;
88 uint64_t srr1;
89 uint64_t pc;
90 uint64_t msr;
91 uint64_t fpscr;
92 uint64_t xer;
93 uint64_t hid4;
94 uint32_t cr;
95 uint32_t entry_vector;
96 };
97 typedef struct cpu_user_regs cpu_user_regs_t;
99 typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ /* XXX timebase */
101 /* ONLY used to communicate with dom0! See also struct exec_domain. */
102 struct vcpu_guest_context {
103 cpu_user_regs_t user_regs; /* User-level CPU registers */
104 uint64_t sdr1; /* Pagetable base */
105 /* XXX etc */
106 };
107 typedef struct vcpu_guest_context vcpu_guest_context_t;
108 DEFINE_XEN_GUEST_HANDLE(vcpu_guest_context_t);
110 struct arch_shared_info {
111 uint64_t pad[32];
112 };
114 struct arch_vcpu_info {
115 };
117 /* Support for multi-processor guests. */
118 #define MAX_VIRT_CPUS 32
119 #endif
121 #endif