From f640afec1a14e99d561f7da93e3fc8a5e1206384 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Thu, 2 Sep 2021 15:09:10 +0200 Subject: [PATCH] ppc/pnv: Add an assert when calculating the RAM distribution on chips MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Cédric Le Goater Message-Id: <20210902130928.528803-3-clg@kaod.org> Reviewed-by: Greg Kurz Signed-off-by: David Gibson --- hw/ppc/pnv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 03c86508d2..71e45515f1 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -723,6 +723,8 @@ static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id) return QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); } + assert(pnv->num_chips > 1); + ram_per_chip = (machine->ram_size - 1 * GiB) / (pnv->num_chips - 1); return chip_id == 0 ? 1 * GiB : QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); }