From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Wed, 18 Oct 2023 15:32:37 +0000 (+0300)
Subject: isa/caller: enable host-backed memory for scemu
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a2d72a0e78553141a7a0eaac8018889893f4e762;p=openpower-isa.git

isa/caller: enable host-backed memory for scemu
---

diff --git a/src/openpower/decoder/isa/caller.py b/src/openpower/decoder/isa/caller.py
index 5a72880f..0c9b0e60 100644
--- a/src/openpower/decoder/isa/caller.py
+++ b/src/openpower/decoder/isa/caller.py
@@ -1169,7 +1169,13 @@ class ISACaller(ISACallerHelper, ISAFPHelpers, StepLoop):
                  insnlog=None,
                  use_mmap_mem=False,
                  use_syscall_emu=False):
-        self.syscall = SyscallEmulator(isacaller=self)
+        if use_syscall_emu:
+            self.syscall = SyscallEmulator(isacaller=self)
+            if not use_mmap_mem:
+                log("forcing use_mmap_mem due to use_syscall_emu active")
+                use_mmap_mem = True
+        else:
+            self.syscall = None
 
         # trace log file for model output. if None do nothing
         self.insnlog = insnlog