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ppc/pnv: change initrd address

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When skiboot starts, it first clears the CPU structs for all possible
CPUs on a system :

	for (i = 0; i <= cpu_max_pir; i++)
		memset(&cpu_stacks[i].cpu, 0, sizeof(struct cpu_thread));

On POWER9, cpu_max_pir is quite big, 0x7fff, and the skiboot cpu_stacks
array overlaps with the memory region in which QEMU maps the initramfs
file. Move it upwards in memory to keep it safe.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2018-01-15 19:04:05 +01:00 committed by David Gibson
parent c035851ac0
commit fef592f909
1 changed files with 1 additions and 1 deletions
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2
hw/ppc/pnv.c
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@ -53,7 +53,7 @@
#define FW_MAX_SIZE 0x00400000
#define KERNEL_LOAD_ADDR 0x20000000
#define INITRD_LOAD_ADDR 0x40000000
#define INITRD_LOAD_ADDR 0x60000000
static const char *pnv_chip_core_typename(const PnvChip *o)
{