[PATCH v6 13/18] spapr: Don't use weird units for MIN_RMA_SLOF

[David Gibson <david@gibson.dropbear.id.au>]

MIN_RMA_SLOF records the minimum about of RMA that the SLOF firmware
requires.  It lets us give a meaningful error if the RMA ends up too small,
rather than just letting SLOF crash.

It's currently stored as a number of megabytes, which is strange for global
constants.  Move that megabyte scaling into the definition of the constant
like most other things use.

Change from M to MiB in the associated message while we're at it.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---
 hw/ppc/spapr.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 828e2cc135..272a270b7a 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -103,7 +103,7 @@
 #define FW_OVERHEAD             0x2800000
 #define KERNEL_LOAD_ADDR        FW_MAX_SIZE
 
-#define MIN_RMA_SLOF            128UL
+#define MIN_RMA_SLOF            (128 * MiB)
 
 #define PHANDLE_INTC            0x00001111
 
@@ -2959,10 +2959,10 @@ static void spapr_machine_init(MachineState *machine)
         }
     }
 
-    if (spapr->rma_size < (MIN_RMA_SLOF * MiB)) {
+    if (spapr->rma_size < MIN_RMA_SLOF) {
         error_report(
-            "pSeries SLOF firmware requires >= %ldM guest RMA (Real Mode Area memory)",
-            MIN_RMA_SLOF);
+            "pSeries SLOF firmware requires >= %ldMiB guest RMA (Real Mode Area memory)",
+            MIN_RMA_SLOF / MiB);
         exit(1);
     }
 
-- 
2.24.1