From f235265e3fdea073d0317a846ac6fe911b3dac43 Mon Sep 17 00:00:00 2001
From: Toby Jaffey <toby@ringtailsoftware.co.uk>
Date: Sun, 7 Dec 2025 00:59:35 +0000
Subject: [PATCH] Set stack pointer to before core registers in RAM

---
 uvm32/uvm32.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/uvm32/uvm32.c b/uvm32/uvm32.c
index b66842b..535fbd5 100644
--- a/uvm32/uvm32.c
+++ b/uvm32/uvm32.c
@@ -46,7 +46,7 @@ void uvm32_init(uvm32_state_t *vmst, const uvm32_mapping_t *mappings, uint32_t n
     // setup stack pointer
     // la	sp, _sstack
     // addi	sp,sp,-16
-    vmst->core->regs[2] = (MINIRV32_RAM_IMAGE_OFFSET + UVM32_MEMORY_SIZE) - 16;
+    vmst->core->regs[2] = (MINIRV32_RAM_IMAGE_OFFSET + UVM32_MEMORY_SIZE - sizeof(struct MiniRV32IMAState)) - 16;
     vmst->core->regs[10] = 0x00;  //hart ID
     vmst->core->regs[11] = 0;
     vmst->core->extraflags |= 3;  // Machine-mode.