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  1. /*
  2.  * Copyright (C) 2006 Martin Decky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup ia32xen
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_ia32xen_BOOT_H_
  36. #define KERN_ia32xen_BOOT_H_
  37.  
  38. #define GUEST_CMDLINE   1024
  39. #define VIRT_CPUS   32
  40. #define START_INFO_SIZE 1104
  41.  
  42. #define BOOT_OFFSET     0x0000
  43. #define TEMP_STACK_SIZE 0x1000
  44.  
  45. #define XEN_VIRT_START  0xFC000000
  46. #define XEN_CS          0xe019
  47.  
  48. #ifndef __ASM__
  49.  
  50. #define mp_map ((pfn_t *) XEN_VIRT_START)
  51.  
  52. #define SIF_PRIVILEGED  (1 << 0)  /**< Privileged domain */
  53. #define SIF_INITDOMAIN  (1 << 1)  /**< Iinitial control domain */
  54.  
  55. #include <arch/types.h>
  56.  
  57. typedef uint32_t evtchn_t;
  58.  
  59. typedef struct {
  60.     uint32_t version;
  61.     uint32_t pad0;
  62.     uint64_t tsc_timestamp;   /**< TSC at last update of time vals */
  63.     uint64_t system_time;     /**< Time, in nanosecs, since boot */
  64.     uint32_t tsc_to_system_mul;
  65.     int8_t tsc_shift;
  66.     int8_t pad1[3];
  67. } vcpu_time_info_t;
  68.  
  69. typedef struct {
  70.     uint32_t cr2;
  71.     uint32_t pad[5];
  72. } arch_vcpu_info_t;
  73.  
  74. typedef struct arch_shared_info {
  75.     pfn_t max_pfn;                  /**< max pfn that appears in table */
  76.     uint32_t pfn_to_mfn_frame_list_list;
  77.     uint32_t nmi_reason;
  78. } arch_shared_info_t;
  79.  
  80. typedef struct {
  81.     uint8_t evtchn_upcall_pending;
  82.     ipl_t evtchn_upcall_mask;
  83.     evtchn_t evtchn_pending_sel;
  84.     arch_vcpu_info_t arch;
  85.     vcpu_time_info_t time;
  86. } vcpu_info_t;
  87.  
  88. typedef struct {
  89.     vcpu_info_t vcpu_info[VIRT_CPUS];
  90.     evtchn_t evtchn_pending[32];
  91.     evtchn_t evtchn_mask[32];
  92.    
  93.     uint32_t wc_version;                  /**< Version counter */
  94.     uint32_t wc_sec;                      /**< Secs  00:00:00 UTC, Jan 1, 1970 */
  95.     uint32_t wc_nsec;                     /**< Nsecs 00:00:00 UTC, Jan 1, 1970 */
  96.    
  97.     arch_shared_info_t arch;
  98. } shared_info_t;
  99.  
  100. typedef struct {
  101.     int8_t magic[32];           /**< "xen-<version>-<platform>" */
  102.     uint32_t frames;            /**< Available frames */
  103.     shared_info_t *shared_info; /**< Shared info structure (machine address) */
  104.     uint32_t flags;             /**< SIF_xxx flags */
  105.     pfn_t store_mfn;            /**< Shared page (machine page) */
  106.     evtchn_t store_evtchn;      /**< Event channel for store communication */
  107.     pfn_t console_mfn;          /**< Console page (machine page) */
  108.     evtchn_t console_evtchn;    /**< Event channel for console messages */
  109.     pte_t *ptl0;                /**< Boot PTL0 (kernel address) */
  110.     uint32_t pt_frames;         /**< Number of bootstrap page table frames */
  111.     pfn_t *pm_map;              /**< Physical->machine frame map (kernel address) */
  112.     void *mod_start;            /**< Modules start (kernel address) */
  113.     uint32_t mod_len;           /**< Modules size (bytes) */
  114.     int8_t cmd_line[GUEST_CMDLINE];
  115. } start_info_t;
  116.  
  117. typedef struct {
  118.     pfn_t start;
  119.     pfn_t size;
  120.     pfn_t reserved;
  121. } memzone_t;
  122.  
  123. extern start_info_t start_info;
  124. extern shared_info_t shared_info;
  125. extern memzone_t meminfo;
  126.  
  127. #endif
  128.  
  129. #endif
  130.  
  131. /** @}
  132.  */
  133.