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Support MACHINE_NEW_NONCONTIG

This commit is contained in:
gwr 1998-02-19 22:21:28 +00:00
parent 6ad2876b5a
commit 43cbb05833
1 changed files with 36 additions and 2 deletions
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38
sys/arch/sun3/sun3/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.100 1998/02/08 04:56:37 gwr Exp $ */
/* $NetBSD: pmap.c,v 1.101 1998/02/19 22:21:28 gwr Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
@ -410,6 +410,7 @@ static void pmeg_clean_free __P((void));
static void pmap_common_init __P((pmap_t pmap));
static void pmap_kernel_init __P((pmap_t pmap));
static void pmap_user_init __P((pmap_t pmap));
static void pmap_page_upload __P((void));
static void pmap_enter_kernel __P((vm_offset_t va,
int new_pte, boolean_t wired));
@ -1822,6 +1823,10 @@ pmap_bootstrap(nextva)
context_init();
pmeg_clean_free();
#if defined(MACHINE_NEW_NONCONTIG)
pmap_page_upload();
#endif
}
/*
@ -1866,7 +1871,36 @@ pmap_virtual_space(v_start, v_end)
*v_end = virtual_end;
}
#if !defined(MACHINE_NEW_NONCONTIG)
#if defined(MACHINE_NEW_NONCONTIG)
/* Provide memory to the VM system. */
static void
pmap_page_upload()
{
int a, b, c, d;
if (hole_size) {
/*
* Supply the memory in two segments so the
* reserved memory (3/50 video ram at 1MB)
* can be carved from the front of the 2nd.
*/
a = atop(avail_start);
b = atop(hole_start);
vm_page_physload(a, b, a, b);
c = atop(hole_start + hole_size);
d = atop(avail_end);
vm_page_physload(b, d, c, d);
} else {
a = atop(avail_start);
d = atop(avail_end);
vm_page_physload(a, d, a, d);
}
}
#undef vm_page_physload
#else /* MACHINE_NEW_NONCONTIG */
/*
* Return the number of page indices in the range of
* possible return values for pmap_page_index() for