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[PULL,07/19] ppc/pnv: Use skiboot addresses to load kernel and ramfs

Message ID 20210210061735.304384-8-david@gibson.dropbear.id.au (mailing list archive)
State New, archived
Headers show
Series [PULL,01/19] spapr.c: use g_auto* with 'nodename' in CPU DT functions | expand

Commit Message

David Gibson Feb. 10, 2021, 6:17 a.m. UTC
From: Cédric Le Goater <clg@kaod.org>

The current settings are useful to load large kernels (with debug) but
it moves the initrd image in a memory region not protected by
skiboot. If skiboot is compiled with DEBUG=1, memory poisoning will
corrupt the initrd.

Cc: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210126171059.307867-4-clg@kaod.org>
Reviewed-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
 hw/ppc/pnv.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 14fc9758a9..e500c2e243 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -65,9 +65,9 @@ 
 #define FW_MAX_SIZE             (16 * MiB)
 #define KERNEL_LOAD_ADDR        0x20000000
-#define KERNEL_MAX_SIZE         (256 * MiB)
-#define INITRD_LOAD_ADDR        0x60000000
-#define INITRD_MAX_SIZE         (256 * MiB)
+#define KERNEL_MAX_SIZE         (128 * MiB)
+#define INITRD_LOAD_ADDR        0x28000000
+#define INITRD_MAX_SIZE         (128 * MiB)
 static const char *pnv_chip_core_typename(const PnvChip *o)