initial

1 files changed, 107 insertions, 0 deletions

diff --git a/other/Kermit/lib/rwKernel.cpp b/other/Kermit/lib/rwKernel.cpp
new file mode 100644
index 0000000..4077ff5
--- /dev/null
+++ b/other/Kermit/lib/rwKernel.cpp
@@ -0,0 +1,107 @@
+/*
+ * rwKernel.cpp:
+ * written by palmers / teso
+ */
+#include <rwKernel.hpp>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <iostream>
+
+
+  bool rwKernel::openFile (int w)
+  {
+    int                 a = 0;
+    void                *tmp = NULL;
+    char                *file = NULL;
+
+    if (w == DEVMEM)
+      file = "/dev/mem";
+    else if (w == PROCKCORE)
+      file = "/proc/kcore";
+
+    if ((a = open (file, O_RDWR)) <= 0)
+      {
+        cerr << "open error" << endl;
+        abort ();
+      }
+
+    if ((tmp = mmap (NULL, 0x40000000, PROT_READ | \
+        PROT_WRITE, MAP_SHARED, a, 0xc0000000 - mem_conf)) == (void *) -1)
+      {
+        cerr << "mmap failed" << endl;
+        abort ();
+      }
+    fd = (char *) tmp;
+    return true;
+  }
+
+
+  void rwKernel::setOffset (int x)
+  {
+    switch (x)
+      {
+        case CONF_1GB:
+          mem_conf = 0xC0000000;
+          break;
+        case CONF_2GB:
+          mem_conf = 0x80000000;
+          break;
+        case CONF_3GB:
+          mem_conf = 0x40000000;
+          break;
+        case IGNORE:
+          mem_conf = 0xC0000000;
+          break;
+        default:
+          mem_conf = 0xC0000000;
+          break;
+      }
+  }
+
+
+  void rwKernel::closeFile ()
+  {
+    munmap (fd, 0x40000000);
+  }
+
+
+  rwKernel::rwKernel ()
+  {
+    setOffset (CONF_1GB);
+    openFile (DEVMEM);
+  }
+
+
+  rwKernel::rwKernel (int file, int off)
+  {
+    if (file == PROCKCORE)
+      off = IGNORE;
+    setOffset (off);
+    openFile (file);
+  }
+
+
+  rwKernel::~rwKernel ()
+  {
+    closeFile ();
+  }
+
+
+  void rwKernel::read (unsigned char *dest, unsigned int len, \
+                unsigned int offset)
+  {
+    offset -= mem_conf;
+    copy (fd + offset, fd + offset + len, dest);
+  }
+
+
+  void rwKernel::write (unsigned char *src, unsigned int len, \
+                unsigned int offset)
+  {
+    offset -= mem_conf;
+    copy (src, src + len, fd + offset); 
+  }
+