Reorganized directory structure

Moved cross-compiler to /xcc/ rather than /
Added ISA sim in /sim/
Added Proxy Kernel in /pk/ (to be cleaned up)
Added opcode map to /opcodes/ (ditto)
Added documentation to /doc/

1 files changed, 40 insertions, 0 deletions

diff --git a/riscv/processor.h b/riscv/processor.h
new file mode 100644
index 0000000..6724e2c
--- /dev/null
+++ b/riscv/processor.h
@@ -0,0 +1,40 @@
+#ifndef _RISCV_PROCESSOR_H
+#define _RISCV_PROCESSOR_H
+
+#include <cstring>
+#include "decode.h"
+#include "trap.h"
+#include "mmu.h"
+
+class processor_t
+{
+public:
+  processor_t(int _id, char* _mem, size_t _memsz);
+  void step(size_t n, bool noisy);
+
+private:
+  // architected state
+  reg_t R[NGPR];
+  reg_t pc;
+  reg_t epc;
+  reg_t badvaddr;
+  reg_t ebase;
+  uint32_t id;
+  uint32_t sr;
+  int gprlen;
+
+  // shared memory
+  mmu_t mmu;
+
+  // counters
+  reg_t counters[32];
+
+  // functions
+  void set_sr(uint32_t val);
+  void take_trap(trap_t t);
+  void disasm(insn_t insn, reg_t pc);
+
+  friend class sim_t;
+};
+
+#endif