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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 xen32
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef __xen32_BOOT_H__
  36. #define __xen32_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. #include <arch/types.h>
  53.  
  54. typedef uint32_t evtchn_t;
  55.  
  56. typedef struct {
  57.     uint32_t version;
  58.     uint32_t pad0;
  59.     uint64_t tsc_timestamp;   /**< TSC at last update of time vals */
  60.     uint64_t system_time;     /**< Time, in nanosecs, since boot */
  61.     uint32_t tsc_to_system_mul;
  62.     int8_t tsc_shift;
  63.     int8_t pad1[3];
  64. } vcpu_time_info_t;
  65.  
  66. typedef struct {
  67.     uint32_t cr2;
  68.     uint32_t pad[5];
  69. } arch_vcpu_info_t;
  70.  
  71. typedef struct arch_shared_info {
  72.     pfn_t max_pfn;                  /**< max pfn that appears in table */
  73.     uint32_t pfn_to_mfn_frame_list_list;
  74.     uint32_t nmi_reason;
  75. } arch_shared_info_t;
  76.  
  77. typedef struct {
  78.     uint8_t evtchn_upcall_pending;
  79.     ipl_t evtchn_upcall_mask;
  80.     evtchn_t evtchn_pending_sel;
  81.     arch_vcpu_info_t arch;
  82.     vcpu_time_info_t time;
  83. } vcpu_info_t;
  84.  
  85. typedef struct {
  86.     vcpu_info_t vcpu_info[VIRT_CPUS];
  87.     evtchn_t evtchn_pending[32];
  88.     evtchn_t evtchn_mask[32];
  89.    
  90.     uint32_t wc_version;                  /**< Version counter */
  91.     uint32_t wc_sec;                      /**< Secs  00:00:00 UTC, Jan 1, 1970 */
  92.     uint32_t wc_nsec;                     /**< Nsecs 00:00:00 UTC, Jan 1, 1970 */
  93.    
  94.     arch_shared_info_t arch;
  95. } shared_info_t;
  96.  
  97. typedef struct {
  98.     int8_t magic[32];           /**< "xen-<version>-<platform>" */
  99.     uint32_t frames;            /**< Available frames */
  100.     shared_info_t *shared_info; /**< Shared info structure (machine address) */
  101.     uint32_t flags;             /**< SIF_xxx flags */
  102.     pfn_t store_mfn;            /**< Shared page (machine page) */
  103.     evtchn_t store_evtchn;      /**< Event channel for store communication */
  104.     void *console_mfn;          /**< Console page (machine address) */
  105.     evtchn_t console_evtchn;    /**< Event channel for console messages */
  106.     pte_t *ptl0;                /**< Boot PTL0 (kernel address) */
  107.     uint32_t pt_frames;         /**< Number of bootstrap page table frames */
  108.     pfn_t *pm_map;              /**< Physical->machine frame map (kernel address) */
  109.     void *mod_start;            /**< Modules start (kernel address) */
  110.     uint32_t mod_len;           /**< Modules size (bytes) */
  111.     int8_t cmd_line[GUEST_CMDLINE];
  112. } start_info_t;
  113.  
  114. typedef struct {
  115.     pfn_t start;
  116.     pfn_t size;
  117.     pfn_t reserved;
  118. } memzone_t;
  119.  
  120. extern start_info_t start_info;
  121. extern shared_info_t shared_info;
  122. extern memzone_t meminfo;
  123.  
  124. #endif
  125.  
  126. #endif
  127.  
  128. /** @}
  129.  */
  130.