Initial commit

inc/libmem.h

@@ -0,0 +1,52 @@
+#ifndef __LIBMEM_H__
+#define __LIBMEM_H__
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#define GET_BIT(n, b) ((n >> b) & 1)
+
+// Internal mem handlers
+typedef void* (*mem_h_read_func)(uint64_t ident, uint64_t addr, void* rawCells);
+typedef void (*mem_h_write_func)(uint64_t ident, uint64_t addr, void* rawCells, void* data);
+
+typedef struct {
+    mem_h_read_func func;
+    uint64_t ident;
+} mem_h_read_handler;
+typedef struct {
+    mem_h_write_func func;
+    uint64_t ident;
+} mem_h_write_handler;
+
+typedef struct 
+{
+    void* rawCells;
+    void** cells;
+    uint64_t smartAddrReadMask;
+    uint64_t smartAddrWriteMask;
+    mem_h_read_handler* smartAddrReadHandlers;
+    mem_h_write_handler* smartAddrWriteHandlers;
+    char** memsegNames;
+    uint64_t* memsegShifts;
+    uint64_t* memreadCellAddrs;
+    uint64_t* memwriteCellAddrs;
+    uint8_t memreadLen;
+    uint8_t memwriteLen;
+} device_mem_t;
+
+
+typedef struct 
+{
+    uint64_t start;
+    uint64_t len;
+    uint8_t wordLen;
+    char* name;
+} memseg_spec_t;
+
+
+// External handlers
+typedef void* (*ext_h_read_func)(uint64_t addr, void* rawCells, void* devContext);
+typedef void (*ext_h_write_func)(uint64_t addr, void* rawCells, void* data, void* devContext);
+
+#endif // ifndef __LIBMEM_H__