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Move the retained magic block to the top of physical RAM and implement code that should do the right thing. Probably needs more

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testing though.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@771 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Mark Cave-Ayland
2010-05-03 11:29:38 +00:00
committed by Mark Cave-Ayland
parent 1f2d742bad
commit 389529217e
4 changed files with 54 additions and 33 deletions
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9
libopenbios/ofmem_common.c
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@@ -452,7 +452,7 @@ ucell ofmem_claim_virt( ucell virt, ucell size, ucell align )
/* if align != 0, phys is ignored. Returns -1 on error */
ucell ofmem_retain( ucell phys, ucell size, ucell align )
{
ofmem_t *ofmem = ofmem_arch_get_private();
retain_t *retained = ofmem_arch_get_retained();
ucell retain_phys;
OFMEM_TRACE("ofmem_retain phys=" FMT_ucellx " size=" FMT_ucellx
@@ -461,8 +461,11 @@ ucell ofmem_retain( ucell phys, ucell size, ucell align )
retain_phys = ofmem_claim_phys_( phys, size, align, 0, get_ram_size(), 0 );
/* Also add to the retain_phys_range list */
add_entry( phys, size, &ofmem->retain_phys_range );
/* Add to the retain_phys_range list */
retained->retain_phys_range[retained->numentries].next = NULL;
retained->retain_phys_range[retained->numentries].start = retain_phys;
retained->retain_phys_range[retained->numentries].size = size;
retained->numentries++;
return retain_phys;
}