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target-ppc: workaround OpenBIOS limitation 

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6133 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-12-26 23:05:23 +00:00
parent 3f7cbbbdd4
commit bd89f43f32
1 changed files with 6 additions and 0 deletions
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6
hw/mac_nvram.c
View File

@ -43,6 +43,8 @@ struct MacIONVRAMState {
uint8_t *data; uint8_t *data;
}; };
#define DEF_SYSTEM_SIZE 0xc10
/* Direct access to NVRAM */ /* Direct access to NVRAM */
uint32_t macio_nvram_read (void *opaque, uint32_t addr) uint32_t macio_nvram_read (void *opaque, uint32_t addr)
{ {
@ -151,6 +153,10 @@ void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len)
nvr->data[end++] = '\0'; nvr->data[end++] = '\0';
end = start + ((end - start + 15) & ~15); end = start + ((end - start + 15) & ~15);
/* XXX: OpenBIOS is not able to grow up a partition. Leave some space for
new variables. */
if (end < DEF_SYSTEM_SIZE)
end = DEF_SYSTEM_SIZE;
OpenBIOS_finish_partition(part_header, end - start); OpenBIOS_finish_partition(part_header, end - start);
// free partition // free partition