From c9cbeced5b3f2bdd7407e29c0811e65954132540 Mon Sep 17 00:00:00 2001
From: Root THC
Date: Tue, 24 Feb 2026 12:42:47 +0000
Subject: initial

---
 other/Kermit/lib/rwKernel.cpp | 107 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 other/Kermit/lib/rwKernel.cpp

(limited to 'other/Kermit/lib/rwKernel.cpp')

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); 
+  }
+
-- 
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