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Rename DVMA constants.

This commit is contained in:
pk 1998-08-23 10:05:53 +00:00
parent 666587112f
commit 2a6be00de5
1 changed files with 13 additions and 7 deletions
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20
sys/arch/sparc/dev/vme_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: vme_machdep.c,v 1.10 1998/08/20 20:46:59 pk Exp $ */
/* $NetBSD: vme_machdep.c,v 1.11 1998/08/23 10:05:53 pk Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@ -177,6 +177,10 @@ struct rom_range vmebus_translations[] = {
#undef _DS
};
/*
* DMA on sun4 VME devices use the last MB of virtual space, which
* is mapped by hardware onto the first MB of VME space.
*/
struct extent *vme_dvmamap;
struct sparc_bus_space_tag sparc_vme_bus_tag = {
@ -330,8 +334,10 @@ vmeattach_mainbus(parent, self, aux)
sc->sc_nrange =
sizeof(vmebus_translations)/sizeof(vmebus_translations[0]);
vme_dvmamap = extent_create("vmedvma", DVMA_BASE, DVMA_END,
M_DEVBUF, 0, 0, EX_NOWAIT);
vme_dvmamap = extent_create("vmedvma", VME4_DVMA_BASE, VME4_DVMA_END,
M_DEVBUF, 0, 0, EX_NOWAIT);
if (vme_dvmamap == NULL)
panic("vme: unable to allocate DVMA map");
printf("\n");
(void)config_search(vmesearch, self, &vba);
@ -845,7 +851,7 @@ sparc_vme4_dmamap_load(t, map, buf, buflen, p, flags)
}
/* Adjust DVMA address to VME view */
map->dm_segs[0].ds_addr -= DVMA_BASE;
map->dm_segs[0].ds_addr -= VME4_DVMA_BASE;
return (0);
}
@ -858,7 +864,7 @@ sparc_vme4_dmamap_unload(t, map)
bus_size_t len;
/* Go from VME to CPU view */
map->dm_segs[0].ds_addr += DVMA_BASE;
map->dm_segs[0].ds_addr += VME4_DVMA_BASE;
addr = map->dm_segs[0].ds_addr & ~PGOFSET;
len = round_page(map->dm_segs[0].ds_len);
@ -905,7 +911,7 @@ sparc_vme4_dmamem_alloc(t, size, alignment, boundary, segs, nsegs, rsegs, flags)
* Compute the location, size, and number of segments actually
* returned by the VM code.
*/
segs[0].ds_addr = dvmaddr - DVMA_BASE;
segs[0].ds_addr = dvmaddr - VME4_DVMA_BASE;
segs[0].ds_len = size;
*rsegs = 1;
@ -935,7 +941,7 @@ sparc_vme4_dmamem_free(t, segs, nsegs)
bus_addr_t addr;
bus_size_t len;
addr = segs[0].ds_addr + DVMA_BASE;
addr = segs[0].ds_addr + VME4_DVMA_BASE;
len = round_page(segs[0].ds_len);
/* Remove DVMA kernel map */