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Add GetPhysical() trap

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Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2009-06-18 22:00:27 +02:00
parent 80b3fbbec7
commit 2b6bc8a596
2 changed files with 51 additions and 0 deletions
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26
libmacos/macos/memory.h
View File

@ -7,6 +7,7 @@
#ifndef __MACOS_MEMORY_H__
#define __MACOS_MEMORY_H__
#include <macos/types.h>
#include <macos/traps.h>
#ifdef __mc68000__
@ -28,5 +29,30 @@ static inline void* NewPtr(unsigned long byteCount)
return ptr;
}
typedef struct MemoryBlock {
void *address;
unsigned long count;
} MemoryBlock;
typedef struct LogicalToPhysicalTable {
MemoryBlock logical;
MemoryBlock physical[8];
} LogicalToPhysicalTable;
static inline OSErr GetPhysical(LogicalToPhysicalTable *addresses,
unsigned long *physicalEntryCount)
{
register OSErr ret asm("%%d0");
asm("move.l %1, %%a0\n"
"move.l %2, %%a1\n"
MemoryDispatch(_GetPhysical)
: "=d" (ret) : "a" (addresses), "a" (physicalEntryCount)
: UNPRESERVED_REGS );
return ret;
}
#endif /* __mc68000__ */
#endif /* __MACOS_MEMORY_H__ */

25
libmacos/macos/traps.h
View File

@ -25,6 +25,7 @@
#define _PBStatusSync 0xA005
#define _DvrRemove 0xA03E
#define _ReadXPRam 0xA051
#define _MemoryDispatch 0xA05C
#define _SlotManager 0xA06E
#define _HWPriv 0xA098
#define _SCSIDispatch 0xA815
@ -106,4 +107,28 @@
HWPrivSelector(selector)" /* "#selector" */\n" \
Trap(_HWPriv)
/*
* Memory Dispatch selectors
*
*/
#define _HoldMemory 0x0000
#define _UnholdMemory 0x0001
#define _LockMemory 0x0002
#define _UnlockMemory 0x0003
#define _LockMemoryContiguous 0x0004
#define _GetPhysical 0x0005
#define _LockMemoryForOutput 0x000A
#define _MakeMemoryResident 0x000B
#define _ReleaseMemoryData 0x000C
#define _MakeMemoryNonResident 0x000D
#define _FlushMemory 0x000E
#define _GetVolumeVirtualMemoryInfo 0x000F
#define MemoryDispatchSelector(a) " move.l #"#a", %%d0"
#define MemoryDispatch(selector) \
MemoryDispatchSelector(selector)" /* "#selector" */\n" \
Trap(_MemoryDispatch)
#endif /* __MACOS_TRAPS_H__ */