From 58d95ca0ebaf71319a4eb28795a4a563bb76d494 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 19 Oct 2018 13:17:37 +0100
Subject: [PATCH] add sv_mmu.h

---
 riscv/sv_mmu.h | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 riscv/sv_mmu.h

diff --git a/riscv/sv_mmu.h b/riscv/sv_mmu.h
new file mode 100644
index 0000000..9ef5208
--- /dev/null
+++ b/riscv/sv_mmu.h
@@ -0,0 +1,83 @@
+#ifndef _SV_MMU_H
+#define _SV_MMU_H
+
+#include "mmu.h"
+#include "processor.h"
+
+//typedef reg_t sv_reg_t;
+//typedef sreg_t sv_sreg_t;
+
+class sv_mmu_t : public mmu_t
+{
+public:
+  sv_mmu_t(simif_t* sim, processor_t* proc) : mmu_t(sim, proc) {}
+
+  #define sv_load_func(type) \
+    inline sv_reg_t load_##type(reg_t addr) { \
+      type##_t v = mmu_t::load_##type(addr); \
+      return sv_reg_t(v); \
+    } 
+    //inline sv_reg_t load_##type(sv_reg_t addr) { 
+    //  type##_t v = mmu_t::load_##type(addr); 
+    //  return sv_reg_t(v); 
+    //}
+
+  // load value from memory at aligned address; zero extend to register width
+  sv_load_func(uint8)
+  sv_load_func(uint16)
+  sv_load_func(uint32)
+  sv_load_func(uint64)
+
+  // load value from memory at aligned address; sign extend to register width
+  sv_load_func(int8)
+  sv_load_func(int16)
+  sv_load_func(int32)
+  sv_load_func(int64)
+
+  #define sv_store_func(type) \
+    void store_##type(sv_reg_t addr, type##_t val) { \
+      mmu_t::store_##type(addr, val); \
+    }
+    //void store_##type(sv_reg_t addr, sv_reg_t val) { 
+    //  mmu_t::store_##type(addr, val); 
+    //}
+
+  // store value to memory at aligned address
+  sv_store_func(uint8)
+  sv_store_func(uint16)
+  sv_store_func(uint32)
+  sv_store_func(uint64)
+
+  #define sv_amo_func(type) \
+    template<typename _op> \
+    sv_reg_t amo_##type(sv_reg_t addr, sv_reg_t rhs, _op f) { \
+      type##_t v = mmu_t::amo_##type(addr, rhs, f); \
+        return sv_reg_t(v); \
+    }
+
+  sv_amo_func(uint32)
+  sv_amo_func(uint64)
+
+  void store_float128(sv_reg_t addr, float128_t val)
+  {
+      mmu_t::store_float128(addr /*.get_data()*/, val);
+  }
+
+  float128_t load_float128(sv_reg_t addr)
+  {
+    return mmu_t::load_float128(addr/*.get_data()*/);
+  }
+
+   void acquire_load_reservation(sv_reg_t vaddr)
+   { 
+     mmu_t::acquire_load_reservation(vaddr/*.get_data()*/);
+   }
+
+   bool check_load_reservation(sv_reg_t vaddr)
+   { 
+     return mmu_t::check_load_reservation(vaddr/*.get_data()*/);
+   }
+
+};
+
+#endif
-- 
2.30.2