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i386 Machine dependant changes to handle non-contiguous memory.

This commit is contained in:
brezak 1993-08-28 00:02:45 +00:00
parent a54d809cd8
commit db43439bb0
1 changed files with 16 additions and 1 deletions
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17
sys/arch/i386/isa/isa.h
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@ -34,7 +34,7 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* from: @(#)isa.h 5.7 (Berkeley) 5/9/91 * from: @(#)isa.h 5.7 (Berkeley) 5/9/91
* $Id: isa.h,v 1.10 1993/08/03 01:53:36 glass Exp $ * $Id: isa.h,v 1.11 1993/08/28 00:02:45 brezak Exp $
*/ */
/* /*
@ -196,3 +196,18 @@ int isa_irq_pending __P((struct isa_device *dvp));
#define CGA_BASE 0x3D4 #define CGA_BASE 0x3D4
#define CGA_BUF 0xfe0B8000 #define CGA_BUF 0xfe0B8000
#define IOPHYSMEM 0xA0000 #define IOPHYSMEM 0xA0000
#ifdef MACHINE_NONCONTIG
/*
* size of dma bounce buffer in pages
* - currently 1 page per channel
*/
#ifndef DMA_BOUNCE
#define DMA_BOUNCE 8
#endif
#ifndef LOCORE
extern vm_offset_t isaphysmem;
#endif
#endif