Diff: Semihost.h

Revision:

5:2774358f5e4f

Parent:

2:32e9437348ad

Child:

9:7e71c20c96e4

--- a/Semihost.h	Wed Sep 11 14:00:40 2013 +0000
+++ b/Semihost.h	Sat Sep 14 12:55:29 2013 +0000
@@ -1,8 +1,10 @@
-// Semihost.h 2013/9/4
+// Semihost.h 2013/9/14
 #pragma once
 #include "Target2.h"
 #include "mydebug.h"
 
+/** Semihosting
+ */
 class Semihost {
 public:
     Semihost(Target2* target, Serial* usbpc);
@@ -42,21 +44,21 @@
     template<typename T>
     void wr(uint32_t addr, T data) {
         TEST_ASSERT(addr <= 0x10001fff);
-        uint8_t buf[sizeof(T)];
-        *reinterpret_cast<T*>(buf) = data;
         for(int i = 0; i < sizeof(T); i++) {
-            _target->writeMemory8(addr+i, buf[i]);
+            _target->writeMemory8(addr+i, data);
+            data >>= 8;
         }
     }
 
     template<typename T>
     T rd(uint32_t addr) {
         TEST_ASSERT(addr <= 0x10001fff);
-        uint8_t buf[sizeof(T)];
-        for(int i = 0; i < sizeof(T); i++) {
-            buf[i] = _target->readMemory8(addr+i);
+        T data = 0;
+        for(int i = sizeof(T)-1; i >= 0; i--) {
+            data <<= 8;
+            data |= _target->readMemory8(addr+i);
         }
-        return *reinterpret_cast<T*>(buf);
+        return data;
     }
  
 protected: