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authorBALATON Zoltan <balaton@eik.bme.hu>2021-10-14 21:50:19 +0200
committerDavid Gibson <david@gibson.dropbear.id.au>2021-10-21 11:42:47 +1100
commit239fec2497907f2adf7e6b9fdda4138e81bac619 (patch)
tree94372d7684a16a9ac4d01820e0f343366285a928 /hw
parent3938cacdb2367c203fd796af3f8c70cdb70c5007 (diff)
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/pegasos2.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c
index b8ce859f1a..474cfdeabf 100644
--- a/hw/ppc/pegasos2.c
+++ b/hw/ppc/pegasos2.c
@@ -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 */