From: Gabe Black <gblack@eecs.umich.edu>
Date: Mon, 30 Jul 2007 20:19:11 +0000 (-0700)
Subject: X86: Implement LEAVE
X-Git-Tag: m5_2.0_beta4~246
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4b3a20cdeca2e72606c435ee59abc936cfcb6db2;p=gem5.git

X86: Implement LEAVE

--HG--
extra : convert_revision : c642d5018ece82c644e1cfa389b2d3dbd6ab5ffd
---

diff --git a/src/arch/x86/isa/insts/data_transfer/stack_operations.py b/src/arch/x86/isa/insts/data_transfer/stack_operations.py
index 1c13b44b4..082e24485 100644
--- a/src/arch/x86/isa/insts/data_transfer/stack_operations.py
+++ b/src/arch/x86/isa/insts/data_transfer/stack_operations.py
@@ -141,6 +141,15 @@ def macroop POPA {
     ld rax, ss, [0, t0, rsp], "7 * env.dataSize"
     addi rsp, rsp, "8 * env.dataSize"
 };
+
+def macroop LEAVE {
+    # Make the default data size of pops 64 bits in 64 bit mode
+    .adjust_env oszIn64Override
+
+    mov rsp, rsp, rbp
+    ld rbp, ss, [0, t0, rsp]
+    addi rsp, rsp, dsz
+};
 '''
 #let {{
 #    class ENTER(Inst):