minix/servers/vm/i386/memory.h
Ben Gras c078ec0331 Basic VM and other minor improvements.
Not complete, probably not fully debugged or optimized.
2008-11-19 12:26:10 +00:00

25 lines
932 B
C

#include <sys/vm_i386.h>
/* As visible from the user space process, where is the top of the
* stack (first non-stack byte), when in paged mode?
*/
#define VM_STACKTOP 0x80000000
/* And what is the highest addressable piece of memory, when in paged
* mode? Some data for kernel and stack are subtracted from this, the
* final results stored in bytes in arch.vm_data_top.
*/
#define VM_DATATOP 0xFFFFF000
#define SLAB_PAGESIZE I386_PAGE_SIZE
#define VM_PAGE_SIZE I386_PAGE_SIZE
#define CLICKSPERPAGE (I386_PAGE_SIZE/CLICK_SIZE)
/* Where is the kernel? */
#define KERNEL_TEXT CLICK2ABS(vmproc[VMP_SYSTEM].vm_arch.vm_seg[T].mem_phys)
#define KERNEL_TEXT_LEN CLICK2ABS(vmproc[VMP_SYSTEM].vm_arch.vm_seg[T].mem_len)
#define KERNEL_DATA CLICK2ABS(vmproc[VMP_SYSTEM].vm_arch.vm_seg[D].mem_phys)
#define KERNEL_DATA_LEN CLICK2ABS(vmproc[VMP_SYSTEM].vm_arch.vm_seg[D].mem_len \
+ vmproc[VMP_SYSTEM].vm_arch.vm_seg[S].mem_len)