From 49ca63ee0fe8a827e78d36c350e27d83e0fc6ea4 Mon Sep 17 00:00:00 2001
From: Hamy Ratoanina <hamy.ratoanina@toposware.com>
Date: Wed, 11 Oct 2023 16:23:09 +0200
Subject: [PATCH] Fix sys_blockhash (#1285)

---
 evm/src/cpu/kernel/asm/memory/metadata.asm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/evm/src/cpu/kernel/asm/memory/metadata.asm b/evm/src/cpu/kernel/asm/memory/metadata.asm
index c26d3d5f..d5b4033d 100644
--- a/evm/src/cpu/kernel/asm/memory/metadata.asm
+++ b/evm/src/cpu/kernel/asm/memory/metadata.asm
@@ -241,6 +241,8 @@ global sys_blockhash:
     SWAP1
     // stack: block_number, kexit_info
     %blockhash
+    // stack: blockhash, kexit_info
+    SWAP1
     EXIT_KERNEL
 
 global blockhash:
@@ -262,7 +264,6 @@ global blockhash:
     // stack: block_hash_number, retdest
     %mload_kernel(@SEGMENT_BLOCK_HASHES)
     SWAP1 JUMP
-    JUMP
 
 %macro blockhash
     // stack: block_number