From 46f1423c6566aee512fbc7a8ef6ff4aae2b7d1fb Mon Sep 17 00:00:00 2001
From: "Wesley W. Terpstra" <wesley@sifive.com>
Date: Wed, 22 Mar 2017 13:57:56 -0700
Subject: riscv: replace rtc device with a real clint implementation

---
 riscv/devices.h | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'riscv/devices.h')

diff --git a/riscv/devices.h b/riscv/devices.h
index cb3b6d9..f3ecb67 100644
--- a/riscv/devices.h
+++ b/riscv/devices.h
@@ -34,17 +34,20 @@ class rom_device_t : public abstract_device_t {
   std::vector<char> data;
 };
 
-class rtc_t : public abstract_device_t {
+class clint_t : public abstract_device_t {
  public:
-  rtc_t(std::vector<processor_t*>&);
+  clint_t(std::vector<processor_t*>&);
   bool load(reg_t addr, size_t len, uint8_t* bytes);
   bool store(reg_t addr, size_t len, const uint8_t* bytes);
-  size_t size() { return regs.size() * sizeof(regs[0]); }
+  size_t size() { return CLINT_SIZE; }
   void increment(reg_t inc);
  private:
+  typedef uint64_t mtime_t;
+  typedef uint64_t mtimecmp_t;
+  typedef uint32_t msip_t;
   std::vector<processor_t*>& procs;
-  std::vector<uint64_t> regs;
-  uint64_t time() { return regs[0]; }
+  mtime_t mtime;
+  std::vector<mtimecmp_t> mtimecmp;
 };
 
 #endif
-- 
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