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New pagehandler option for different read and write pointers

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Slight change to getphysicaladdress call to always use the tables


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2438
This commit is contained in:
Sjoerd van der Berg 2006-01-30 09:46:01 +00:00
parent c5c513fc60
commit 5a601f5b35
1 changed files with 12 additions and 9 deletions
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21
include/paging.h
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: paging.h,v 1.20 2006-01-07 14:17:53 c2woody Exp $ */
/* $Id: paging.h,v 1.21 2006-01-30 09:46:01 harekiet Exp $ */
#ifndef DOSBOX_PAGING_H
#define DOSBOX_PAGING_H
@ -54,13 +54,14 @@ public:
virtual void writeb(PhysPt addr,Bitu val);
virtual void writew(PhysPt addr,Bitu val);
virtual void writed(PhysPt addr,Bitu val);
virtual HostPt GetHostReadPt(Bitu phys_page);
virtual HostPt GetHostWritePt(Bitu phys_page);
virtual bool readb_checked(PhysPt addr, Bitu * val);
virtual bool readw_checked(PhysPt addr, Bitu * val);
virtual bool readd_checked(PhysPt addr, Bitu * val);
virtual bool writeb_checked(PhysPt addr,Bitu val);
virtual bool writew_checked(PhysPt addr,Bitu val);
virtual bool writed_checked(PhysPt addr,Bitu val);
virtual HostPt GetHostPt(Bitu phys_page);
Bitu flags;
};
@ -79,8 +80,8 @@ void PAGING_UnlinkPages(Bitu lin_page,Bitu pages);
void PAGING_MapPage(Bitu lin_page,Bitu phys_page);
bool PAGING_MakePhysPage(Bitu & page);
void MEM_SetLFB(Bitu _page,Bitu _pages,HostPt _pt);
void MEM_SetPageHandler(Bitu phys_page,Bitu pages,PageHandler * handler);
void MEM_SetLFB( Bitu page, Bitu pages, PageHandler *handler);
void MEM_SetPageHandler(Bitu phys_page, Bitu pages, PageHandler * handler);
void MEM_ResetPageHandler(Bitu phys_page, Bitu pages);
@ -152,13 +153,15 @@ extern PagingBlock paging;
PageHandler * MEM_GetPageHandler(Bitu phys_page);
/* Use this helper function to access linear addresses in readX/writeX functions */
INLINE PhysPt PAGING_GetLinearAddress(PhysPt addr) {
if (paging.enabled)
return (paging.tlb.phys_page[addr>>12]<<12)|(addr&0xfff);
else
return addr;
INLINE PhysPt PAGING_GetPhysicalPage(PhysPt linePage) {
return (paging.tlb.phys_page[linePage>>12]<<12);
}
INLINE PhysPt PAGING_GetPhysicalAddress(PhysPt linAddr) {
return (paging.tlb.phys_page[linAddr>>12]<<12)|(linAddr&0xfff);
}
/* Unaligned address handlers */
Bit16u mem_unalignedreadw(PhysPt address);
Bit32u mem_unalignedreadd(PhysPt address);