Add write-after-cycles, reset handling

2026-04-16 15:37:32 +03:00
parent b5a4fdf755
commit c907d45763
20 changed files with 756 additions and 434 deletions
--- a/inc/pub/libhmmmm/mem.h
+++ b/inc/pub/libhmmmm/mem.h
@@ -0,0 +1,96 @@
+#ifndef __HMMMM_PUB_MEM_H__
+#define __HMMMM_PUB_MEM_H__
+
+#include <stdint.h>
+#include <stdlib.h>
+
+#define GET_BIT(n, b) ((uint8_t)((n >> b) & 1))
+
+#define MEM_ACCESS_INTERCEPT_BUF_SIZE 64
+
+// 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* memsegSizes;
+    uint64_t* memreadCellAddrs;
+    uint8_t* memwriteWordLengths;
+    uint8_t* memwriteCellSegments;
+    uint64_t* memwriteCellAddrs;
+    void** memwriteValues;
+    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);
+
+
+
+#define READ_MEM(__tgt, __mem, __segno, __addr, __cell_t) \
+{\
+    uint64_t __globalAddr = __mem->memsegShifts[__segno] + __addr; \
+    if (__mem->smartAddrReadHandlers[__globalAddr].func != NULL) \
+    { \
+        /* __tgt = *(__cell_t*)__mem->smartAddrReadHandlers[__globalAddr].func(__mem->smartAddrReadHandlers[__globalAddr].ident, __addr, __mem->rawCells + __mem->memsegShifts[__segno]);*/ \
+        __tgt = 0;\
+    } \
+    else \
+    { \
+        __tgt = ((__cell_t*)__mem->cells[__segno])[__addr]; \
+    } \
+    __mem->memreadCellAddrs[__mem->memreadLen] = __globalAddr; \
+    __mem->memreadLen += 1; \
+}
+
+#define WRITE_MEM(__mem, __segno, __addr, __cell_t, __val) \
+{ \
+    uint64_t __globalAddr = ((uint64_t)(__mem->memsegShifts[__segno]) + (uint64_t)(__addr)); \
+    if (0 && __mem->smartAddrWriteHandlers[__globalAddr].func != NULL) \
+    { \
+        /*__cell_t __dat = (__cell_t)(__val);*/ \
+        /*__mem->smartAddrWriteHandlers[__globalAddr].func(__mem->smartAddrWriteHandlers[__globalAddr].ident, __addr, __mem->rawCells + __mem->memsegShifts[__segno], (void*)&__dat);*/ \
+    } \
+    else if(0) \
+    { \
+        ((__cell_t*)__mem->cells[__segno])[__addr] = (__cell_t)(__val); \
+    } \
+    __mem->memwriteCellAddrs[__mem->memwriteLen] = __addr; \
+    __mem->memwriteCellSegments[__mem->memwriteLen] = __segno; \
+    __mem->memwriteWordLengths[__mem->memwriteLen] = sizeof(__cell_t); \
+    *((__cell_t*)__mem->memwriteValues[__mem->memwriteLen]) = (__cell_t)(__val); \
+    __mem->memwriteLen += 1; \
+}
+
+
+#endif // ifndef __HMMMM_PUB_MEM_H__