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pseries: Move adding of fdt reserve map entries 

The flattened device tree passed to pseries guests contains a list of
reserved memory areas.  Currently we construct this list early in
spapr_create_fdt_skel() as we sequentially write the fdt.

This will be inconvenient for upcoming cleanups, so this patch moves
the reserve map changes to the end of fdt construction.  This changes
fdt_add_reservemap_entry() calls - which work when writing the fdt
sequentially to fdt_add_mem_rsv() calls used when altering the fdt in
random access mode.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
David Gibson 2016-10-20 15:34:59 +11:00
parent a19f7fb045
commit cf6e522390
1 changed files with 9 additions and 8 deletions
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17
hw/ppc/spapr.c
View File

@ -301,14 +301,6 @@ static void *spapr_create_fdt_skel(sPAPRMachineState *spapr)
fdt = g_malloc0(FDT_MAX_SIZE);
_FDT((fdt_create(fdt, FDT_MAX_SIZE)));
if (spapr->kernel_size) {
_FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR,
spapr->kernel_size)));
}
if (spapr->initrd_size) {
_FDT((fdt_add_reservemap_entry(fdt, spapr->initrd_base,
spapr->initrd_size)));
}
_FDT((fdt_finish_reservemap(fdt)));
/* Root node */
@ -997,6 +989,15 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr,
}
g_free(bootlist);
/* Build memory reserve map */
if (spapr->kernel_size) {
_FDT((fdt_add_mem_rsv(fdt, KERNEL_LOAD_ADDR, spapr->kernel_size)));
}
if (spapr->initrd_size) {
_FDT((fdt_add_mem_rsv(fdt, spapr->initrd_base, spapr->initrd_size)));
}
return fdt;
}