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Don't assume that pointer and cell size are identical, part 2

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Do the double-dereference in two cell2pointer steps
to avoid garbage in the high 32 address bits on ppc64.

Signed-off-by: Andreas Färber <andreas.faerber@web.de>


git-svn-id: svn://coreboot.org/openbios/trunk/openbios-devel@930 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Andreas Färber
2010-10-30 15:44:08 +00:00
committed by Andreas Färber
parent 545998848f
commit ead25906f6
1 changed files with 5 additions and 4 deletions
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9
kernel/internal.c
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@@ -329,10 +329,11 @@ static void doplusloop(void)
#ifndef FCOMPILER
static ucell get_myself(void)
{
static ucell **myself = NULL;
if( !myself )
myself = (ucell**)findword("my-self") + 1;
return (*myself && **myself) ? (ucell)**myself : 0;
static ucell *myselfptr = NULL;
if (myselfptr == NULL)
myselfptr = (ucell*)cell2pointer(findword("my-self")) + 1;
ucell *myself = (ucell*)cell2pointer(*myselfptr);
return (myself != NULL) ? *myself : 0;
}
static void doivar(void)