From 8d09d845a7373cce52d3943f5dca1a2ac34a4f83 Mon Sep 17 00:00:00 2001
From: Marcus Comstedt <marcus@mc.pp.se>
Date: Sun, 11 Oct 2020 13:36:13 +0200
Subject: Implement support for big-endian targets

---
 fesvr/htif.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'fesvr/htif.h')

diff --git a/fesvr/htif.h b/fesvr/htif.h
index 44a3b12..66a626d 100644
--- a/fesvr/htif.h
+++ b/fesvr/htif.h
@@ -6,9 +6,11 @@
 #include "memif.h"
 #include "syscall.h"
 #include "device.h"
+#include "byteorder.h"
 #include <string.h>
 #include <map>
 #include <vector>
+#include <assert.h>
 
 class htif_t : public chunked_memif_t
 {
@@ -27,6 +29,30 @@ class htif_t : public chunked_memif_t
 
   virtual memif_t& memif() { return mem; }
 
+  template<typename T> inline T from_target(T n) const
+  {
+#ifdef RISCV_ENABLE_DUAL_ENDIAN
+    memif_endianness_t endianness = get_target_endianness();
+    assert(endianness == memif_endianness_little || endianness == memif_endianness_big);
+
+    return endianness == memif_endianness_big? from_be(n) : from_le(n);
+#else
+    return from_le(n);
+#endif
+  }
+
+  template<typename T> inline T to_target(T n) const
+  {
+#ifdef RISCV_ENABLE_DUAL_ENDIAN
+    memif_endianness_t endianness = get_target_endianness();
+    assert(endianness == memif_endianness_little || endianness == memif_endianness_big);
+
+    return endianness == memif_endianness_big? to_be(n) : to_le(n);
+#else
+    return to_le(n);
+#endif
+  }
+
  protected:
   virtual void reset() = 0;
 
-- 
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