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2007-02-12 Hollis Blanchard <hollis@penguinppc.org>

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* include/grub/ieee1275/ieee1275.h (grub_available_iterate): New
	prototype.
	* kern/powerpc/ieee1275/init.c (grub_heap_start): Removed.
	(grub_heap_len): Likewise.
	(HEAP_SIZE): New macro.
	(grub_claim_heap): New function.
	(grub_machine_init): Don't claim heap directly.  Call
	`grub_claim_heap'.
	* kern/powerpc/ieee1275/openfw.c: Include alloca.h.
	(grub_available_iterate): New function.
This commit is contained in:
hollisb 2007-02-13 03:20:16 +00:00
parent 3a567c6894
commit dc94685009
4 changed files with 96 additions and 17 deletions
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49
kern/powerpc/ieee1275/openfw.c
View file

@ -18,6 +18,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <alloca.h>
#include <grub/types.h>
#include <grub/err.h>
#include <grub/misc.h>
#include <grub/mm.h>
@ -135,6 +137,53 @@ nextprop:
return 0;
}
grub_err_t grub_available_iterate (int (*hook) (grub_uint64_t, grub_uint64_t))
{
grub_ieee1275_phandle_t root;
grub_ieee1275_phandle_t memory;
grub_uint32_t available[32];
int address_cells = 1;
int size_cells = 1;
unsigned int i;
/* Determine the format of each entry in `available'. */
grub_ieee1275_finddevice ("/", &root);
grub_ieee1275_get_property (root, "#address-cells", &address_cells,
sizeof address_cells, 0);
grub_ieee1275_get_property (root, "#size-cells", &size_cells,
sizeof size_cells, 0);
/* Load `/memory/available'. */
if (grub_ieee1275_finddevice ("/memory", &memory))
return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
"Couldn't find /memory node");
if (grub_ieee1275_get_property (memory, "available", available,
sizeof available, 0))
return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
"Couldn't examine /memory/available propery");
/* Decode each entry and call `hook'. */
i = 0;
while (i < sizeof (*available))
{
grub_uint64_t address;
grub_uint64_t size;
address = available[i++];
if (address_cells == 2)
address = (address << 32) | available[i++];
size = available[i++];
if (size_cells == 2)
size = (size << 32) | available[i++];
if (hook (address, size))
break;
}
return grub_errno;
}
/* Call the "map" method of /chosen/mmu. */
static int
grub_map (grub_addr_t phys, grub_addr_t virt, grub_uint32_t size,