--- SheepShaver/src/include/cpu_emulation.h	2004/01/12 15:37:23	1.10
+++ SheepShaver/src/include/cpu_emulation.h	2004/11/13 14:09:16	1.14
@@ -31,6 +31,8 @@ const uintptr ROM_BASE = 0x40800000;			/
 const uint32  ROM_SIZE = 0x400000;				// Size of ROM file
 const uint32  ROM_AREA_SIZE = 0x500000;			// Size of ROM area
 const uintptr ROM_END = ROM_BASE + ROM_SIZE;	// End of ROM
+const uintptr DR_EMULATOR_BASE = 0x68070000;	// Address of DR emulator code
+const uint32  DR_EMULATOR_SIZE = 0x10000;		// Size of DR emulator code
 const uintptr DR_CACHE_BASE = 0x69000000;		// Address of DR cache
 const uint32  DR_CACHE_SIZE = 0x80000;			// Size of DR Cache
 
@@ -52,6 +54,8 @@ struct KernelData {
 // RAM and ROM pointers (allocated and set by main_*.cpp)
 extern uint32 RAMBase;			// Base address of Mac RAM
 extern uint32 RAMSize;			// Size address of Mac RAM
+extern uint8 *RAMBaseHost;		// Base address of Mac RAM (host address space)
+extern uint8 *ROMBaseHost;		// Base address of Mac ROM (host address space)
 
 // Mac memory access functions
 #if EMULATED_PPC
@@ -64,6 +68,7 @@ static inline uint32 ReadMacInt32(uint32
 static inline void WriteMacInt32(uint32 addr, uint32 v) {vm_write_memory_4(addr, v);}
 static inline uint64 ReadMacInt64(uint32 addr) {return vm_read_memory_8(addr);}
 static inline void WriteMacInt64(uint32 addr, uint64 v) {vm_write_memory_8(addr, v);}
+static inline uint32 Host2MacAddr(uint8 *addr) {return vm_do_get_virtual_address(addr);}
 static inline uint8 *Mac2HostAddr(uint32 addr) {return vm_do_get_real_address(addr);}
 static inline void *Mac_memset(uint32 addr, int c, size_t n) {return vm_memset(addr, c, n);}
 static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return vm_memcpy(dest, src, n);}
@@ -78,6 +83,7 @@ static inline uint64 ReadMacInt64(uint32
 static inline void WriteMacInt16(uint32 addr, uint32 w) {*(uint16 *)addr = w;}
 static inline void WriteMacInt32(uint32 addr, uint32 l) {*(uint32 *)addr = l;}
 static inline void WriteMacInt64(uint32 addr, uint64 ll) {*(uint64 *)addr = ll;}
+static inline uint32 Host2MacAddr(uint8 *addr) {return (uint32)addr;}
 static inline uint8 *Mac2HostAddr(uint32 addr) {return (uint8 *)addr;}
 static inline void *Mac_memset(uint32 addr, int c, size_t n) {return memset(Mac2HostAddr(addr), c, n);}
 static inline void *Mac2Host_memcpy(void *dest, uint32 src, size_t n) {return memcpy(dest, Mac2HostAddr(src), n);}
@@ -97,6 +103,15 @@ static inline void *Mac2Mac_memcpy(uint3
 #define PW(X) ((((X) >> 8) & 0xff) | (((X) & 0xff) << 8))
 #endif
 
+// PowerPC procedure helper to write a big-endian 32-bit word
+#ifdef WORDS_BIGENDIAN
+#define PL(X) X
+#else
+#define PL(X)													\
+     ((((X) & 0xff000000) >> 24) | (((X) & 0x00ff0000) >>  8) |	\
+      (((X) & 0x0000ff00) <<  8) | (((X) & 0x000000ff) << 24))
+#endif
+
 struct M68kRegisters;
 extern void Execute68k(uint32, M68kRegisters *r);			// Execute 68k subroutine from EMUL_OP routine, must be ended with RTS
 extern void Execute68kTrap(uint16 trap, M68kRegisters *r);	// Execute 68k A-Trap from EMUL_OP routine