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Re: [Xen-devel] HVMlite ABI specification DRAFT A



On 02/04/2016 12:48 PM, Roger Pau Monnà wrote:

The format of the boot start info structure is the following (pointed to
be %ebx):

     struct hvm_start_info {
     #define HVM_START_MAGIC_VALUE 0x336ec578
         uint32_t magic;             /* Contains the magic value 0x336ec578     
  */
                                     /* ("xEn3" with the 0x80 bit of the "E" 
set).*/
         uint32_t flags;             /* SIF_xxx flags.                          
  */
         uint32_t cmdline_paddr;     /* Physical address of the command line.   
  */
         uint32_t nr_modules;        /* Number of modules passed to the kernel. 
  */
         uint32_t modlist_paddr;     /* Physical address of an array of         
  */
                                     /* hvm_modlist_entry.                      
  */
     };

     struct hvm_modlist_entry {
         uint32_t paddr;             /* Physical address of the module.         
  */
         uint32_t size;              /* Size of the module in bytes.            
  */
     };

If there is more than one module, how is the guest expected to sort out which module is what?

-boris

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