C++ (Cpp) grub_qemu_init_cirrus Examples

Example #1

File: init.c Project: Spacy/grub-fuse

void
grub_machine_init (void)
{
#ifdef GRUB_MACHINE_QEMU
  grub_qemu_init_cirrus ();
#endif
  /* Initialize the console as early as possible.  */
  grub_vga_text_init ();

  auto int NESTED_FUNC_ATTR heap_init (grub_uint64_t, grub_uint64_t, 
				       grub_memory_type_t);
  int NESTED_FUNC_ATTR heap_init (grub_uint64_t addr, grub_uint64_t size,
				  grub_memory_type_t type)
  {
#if GRUB_CPU_SIZEOF_VOID_P == 4
    /* Restrict ourselves to 32-bit memory space.  */
    if (addr > GRUB_ULONG_MAX)
      return 0;
    if (addr + size > GRUB_ULONG_MAX)
      size = GRUB_ULONG_MAX - addr;
#endif

    if (type != GRUB_MEMORY_AVAILABLE)
      return 0;

    /* Avoid the lower memory.  */
    if (addr < GRUB_MEMORY_MACHINE_LOWER_SIZE)
      {
	if (addr + size <= GRUB_MEMORY_MACHINE_LOWER_SIZE)
	  return 0;
	else
	  {
	    size -= GRUB_MEMORY_MACHINE_LOWER_SIZE - addr;
	    addr = GRUB_MEMORY_MACHINE_LOWER_SIZE;
	  }
      }

    grub_mm_init_region ((void *) (grub_addr_t) addr, (grub_size_t) size);

    return 0;
  }

#if defined (GRUB_MACHINE_MULTIBOOT) || defined (GRUB_MACHINE_QEMU)
  grub_machine_mmap_init ();
#endif
  grub_machine_mmap_iterate (heap_init);

  grub_tsc_init ();
}

Example #2

File: init.c Project: remfalc/vyt-vyatta-grub

void
grub_machine_init (void)
{
#ifdef GRUB_MACHINE_QEMU
  grub_qemu_init_cirrus ();
#endif
  /* Initialize the console as early as possible.  */
  grub_vga_text_init ();

  auto int NESTED_FUNC_ATTR heap_init (grub_uint64_t, grub_uint64_t, grub_uint32_t);
  int NESTED_FUNC_ATTR heap_init (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type)
  {
#if GRUB_CPU_SIZEOF_VOID_P == 4
    /* Restrict ourselves to 32-bit memory space.  */
    if (addr > GRUB_ULONG_MAX)
      return 0;
    if (addr + size > GRUB_ULONG_MAX)
      size = GRUB_ULONG_MAX - addr;
#endif

    if (type != GRUB_MACHINE_MEMORY_AVAILABLE)
      return 0;

    /* Avoid the lower memory.  */
    if (addr < GRUB_MEMORY_MACHINE_LOWER_SIZE)
      {
	if (addr + size <= GRUB_MEMORY_MACHINE_LOWER_SIZE)
	  return 0;
	else
	  {
	    size -= GRUB_MEMORY_MACHINE_LOWER_SIZE - addr;
	    addr = GRUB_MEMORY_MACHINE_LOWER_SIZE;
	  }
      }

    if (addr == GRUB_MEMORY_MACHINE_UPPER_START
	|| (addr >= GRUB_MEMORY_MACHINE_LOWER_SIZE
	    && addr <= GRUB_MEMORY_MACHINE_UPPER_START
	    && (addr + size > GRUB_MEMORY_MACHINE_UPPER_START)))
      {
	grub_size_t quarter = size >> 2;

	grub_os_area_addr = addr;
	grub_os_area_size = size - quarter;
	grub_mm_init_region ((void *) (grub_os_area_addr + grub_os_area_size),
			     quarter);
      }
    else