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ppc/pegasos2: Restrict memory to 2 gigabytes 

The CHRP spec this board confirms to only allows 2 GiB of system
memory below 4 GiB as the high 2 GiB is allocated to IO and system
resources. To avoid problems with memory overlapping these areas
restrict RAM to 2 GiB similar to mac_newworld.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <54f58229a69c9c1cca21bcecad700b3d7052edd5.1634241019.git.balaton@eik.bme.hu>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
BALATON Zoltan 2021-10-14 21:50:19 +02:00 committed by David Gibson
parent 3938cacdb2
commit 239fec2497
1 changed files with 4 additions and 0 deletions
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4
hw/ppc/pegasos2.c
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@ -117,6 +117,10 @@ static void pegasos2_init(MachineState *machine)
qemu_register_reset(pegasos2_cpu_reset, pm->cpu);
/* RAM */
if (machine->ram_size > 2 * GiB) {
error_report("RAM size more than 2 GiB is not supported");
exit(1);
}
memory_region_add_subregion(get_system_memory(), 0, machine->ram);
/* allocate and load firmware */