vbatts/grub
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merge mainline in bidi

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-05-06 15:18:46 +02:00
commit 42d2c16b39
6 changed files with 141 additions and 63 deletions
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10
kern/ieee1275/cmain.c
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@ -59,6 +59,7 @@ grub_ieee1275_find_options (void)
char tmp[32];
int is_smartfirmware = 0;
int is_olpc = 0;
int is_qemu = 0;
grub_ieee1275_finddevice ("/", &root);
grub_ieee1275_finddevice ("/options", &options);
@ -79,6 +80,11 @@ grub_ieee1275_find_options (void)
if (rc >= 0 && !grub_strcmp (tmp, "OLPC"))
is_olpc = 1;
rc = grub_ieee1275_get_property (root, "model",
tmp, sizeof (tmp), 0);
if (rc >= 0 && !grub_strcmp (tmp, "Emulated PC"))
is_qemu = 1;
if (is_smartfirmware)
{
/* Broken in all versions */
@ -135,6 +141,10 @@ grub_ieee1275_find_options (void)
grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_OFDISK_SDCARD_ONLY);
}
if (is_qemu)
/* OpenFirmware hangs on qemu if one requests any memory below 1.5 MiB. */
grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM);
if (! grub_ieee1275_finddevice ("/rom/boot-rom", &bootrom))
{
rc = grub_ieee1275_get_property (bootrom, "model", tmp, sizeof (tmp), 0);

11
kern/ieee1275/init.c
View file

@ -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 */