saimaa: low-RAM scratch at 0x3000 for SBL probes

2026-09-11 07:26:43 +00:00
parent c36a48d170
commit 5feb3b8332
1 changed files with 9 additions and 0 deletions
@@ -290,6 +290,15 @@ static void saimaa_machine_init(MachineState *machine)
        memory_region_add_subregion(sysmem, 0x0, vec);
    }

+    /* Low-RAM scratch for SBL1 low-address probes (e.g. [0x3146]).
+     * Real HW has PBL ROM/XPU here; zeros for now (WIP). */
+    {
+        MemoryRegion *low = g_new(MemoryRegion, 1);
+        memory_region_init_ram(low, NULL, "saimaa.low", 0x1000,
+                               &error_fatal);
+        memory_region_add_subregion(sysmem, 0x3000, low);
+    }
+
    /* SDHCI + eMMC image */
    DeviceState *sdhci = qdev_new(TYPE_SYSBUS_SDHCI);
    sysbus_realize(SYS_BUS_DEVICE(sdhci), &error_fatal);