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* include/grub/ieee1275/ieee1275.h (grub_ieee1275_flag): New value

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GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM.
	* kern/ieee1275/cmain.c (grub_ieee1275_find_options): Set
	GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM on qemu.
	* kern/ieee1275/init.c (grub_claim_heap): Don0t allocate below
	1.5MiB if GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM is set.
This commit is contained in:
Vladimir 'phcoder' Serbinenko committed 2010-05-05 18:52:13 +02:00
1 parent a7fc080b56
commit 7e720a9bc1
4 files changed
+33
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kern/ieee1275/init.c
+11
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@@ -133,6 +133,17 @@ static void grub_claim_heap (void)
if (type != 1)
return 0;
if (grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM))
{
if (addr + len <= 0x180000)
return 0;
if (addr < 0x180000)
{
len = addr + len - 0x180000;
addr = 0x180000;
}
}
len -= 1; /* Required for some firmware. */
/* Never exceed HEAP_MAX_SIZE */