diff options
Diffstat (limited to 'sys/arch/i386/isa/isa_machdep.h')
| -rw-r--r-- | sys/arch/i386/isa/isa_machdep.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/arch/i386/isa/isa_machdep.h b/sys/arch/i386/isa/isa_machdep.h index 8bebed26dfd..e62aefdb0d8 100644 --- a/sys/arch/i386/isa/isa_machdep.h +++ b/sys/arch/i386/isa/isa_machdep.h @@ -110,6 +110,9 @@ void isa_intr_disestablish __P((isa_chipset_tag_t ic, void *handler)); * DMA_BOUNCE is the number of pages of low-addressed physical memory * to acquire for ISA bounce buffers. If physical memory below 16 MB * then DMA_BOUNCE_LOW will be used. + * + * isaphysmem is the address of this physical contiguous low memory. + * isaphysmempgs is the number of pages allocated. */ #ifndef DMA_BOUNCE @@ -120,6 +123,10 @@ void isa_intr_disestablish __P((isa_chipset_tag_t ic, void *handler)); #define DMA_BOUNCE_LOW 16 /* number of pages if memory <= 16M */ #endif +extern vm_offset_t isaphysmem; +extern int isaphysmempgs; + + /* * Variables and macros to deal with the ISA I/O hole. * XXX These should be converted to machine- and bus-mapping-independent @@ -145,6 +152,5 @@ extern u_long atdevbase; /* kernel virtual address of "hole" */ * Miscellanous functions. */ void sysbeep __P((int, int)); /* beep with the system speaker */ -void isadma_init __P((void)); #endif /* _I386_ISA_MACHDEP_H_ XXX */ |