From 4e95ff3d42315ff6417d6903c5970c15c862eb42 Mon Sep 17 00:00:00 2001
From: SashegDev <gdsasheg@gmail.com>
Date: Mon, 7 Sep 2026 09:20:28 +0000
Subject: [PATCH] saimaa: fake PBL stack+r0 for SBL entry

---
 qemu/saimaa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qemu/saimaa.c b/qemu/saimaa.c
index ed610db..1cbc790 100644
--- a/qemu/saimaa.c
+++ b/qemu/saimaa.c
@@ -174,6 +174,9 @@ static void saimaa_machine_init(MachineState *machine)
             exit(1);
         }
         cpu_set_pc(first_cpu, entry);
+        /* PBL normally sets up SBL stack + r0=pbl_shared; fake it */
+        ARM_CPU(first_cpu)->env.regs[13] = 0x085FFF00; /* top of DDRLOW */
+        ARM_CPU(first_cpu)->env.regs[0] = 0x00220000; /* fake pbl_shared */
         printf("saimaa: SBL1 %s loaded (%zd bytes), entry 0x%lx\n",
                sms->sbl1, sz, (unsigned long)entry);
     }