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spapr: Rename RTAS_MAX_ADDR to FDT_MAX_ADDR 

SLOF instantiates RTAS since
744a928cce ("spapr: Stop providing RTAS blob")
so the max address applies to the FDT only.

This renames the macro and fixes up the comment.

This should not cause any behavioral change.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20210331025123.29310-1-aik@ozlabs.ru>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Alexey Kardashevskiy 2021-03-31 13:51:23 +11:00 committed by David Gibson
parent ba7e5ac18e
commit 4b98e72d97
1 changed files with 4 additions and 4 deletions
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8
hw/ppc/spapr.c
View File

@ -100,7 +100,7 @@
*
* We load our kernel at 4M, leaving space for SLOF initial image
*/
#define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */
#define FDT_MAX_ADDR 0x80000000 /* FDT must stay below that */
#define FW_MAX_SIZE 0x400000
#define FW_FILE_NAME "slof.bin"
#define FW_OVERHEAD 0x2800000
@ -1617,11 +1617,11 @@ static void spapr_machine_reset(MachineState *machine)
spapr_clear_pending_events(spapr);
/*
* We place the device tree and RTAS just below either the top of the RMA,
* We place the device tree just below either the top of the RMA,
* or just below 2GB, whichever is lower, so that it can be
* processed with 32-bit real mode code if necessary
*/
fdt_addr = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FDT_MAX_SIZE;
fdt_addr = MIN(spapr->rma_size, FDT_MAX_ADDR) - FDT_MAX_SIZE;
fdt = spapr_build_fdt(spapr, true, FDT_MAX_SIZE);
@ -2694,7 +2694,7 @@ static void spapr_machine_init(MachineState *machine)
spapr->rma_size = spapr_rma_size(spapr, &error_fatal);
/* Setup a load limit for the ramdisk leaving room for SLOF and FDT */
load_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FW_OVERHEAD;
load_limit = MIN(spapr->rma_size, FDT_MAX_ADDR) - FW_OVERHEAD;
/*
* VSMT must be set in order to be able to compute VCPU ids, ie to