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|
/* $OpenBSD: pcs_bus_mem_common.c,v 1.9 2000/06/16 21:47:10 provos Exp $ */
/* $NetBSD: pcs_bus_mem_common.c,v 1.15 1996/12/02 22:19:36 cgd Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/*
* Common PCI Chipset "bus I/O" functions, for chipsets which have to
* deal with only a single PCI interface chip in a machine.
*
* uses:
* CHIP name of the 'chip' it's being compiled for.
* CHIP_D_MEM_BASE Dense Mem space base to use.
* CHIP_S_MEM_BASE Sparse Mem space base to use.
*/
#include <sys/extent.h>
#define __C(A,B) __CONCAT(A,B)
#define __S(S) __STRING(S)
/* mapping/unmapping */
int __C(CHIP,_mem_map) __P((void *, bus_addr_t, bus_size_t, int,
bus_space_handle_t *));
void __C(CHIP,_mem_unmap) __P((void *, bus_space_handle_t,
bus_size_t));
int __C(CHIP,_mem_subregion) __P((void *, bus_space_handle_t,
bus_size_t, bus_size_t, bus_space_handle_t *));
/* allocation/deallocation */
int __C(CHIP,_mem_alloc) __P((void *, bus_addr_t, bus_addr_t,
bus_size_t, bus_size_t, bus_addr_t, int, bus_addr_t *,
bus_space_handle_t *));
void __C(CHIP,_mem_free) __P((void *, bus_space_handle_t,
bus_size_t));
/* barrier */
inline void __C(CHIP,_mem_barrier) __P((void *, bus_space_handle_t,
bus_size_t, bus_size_t, int));
/* read (single) */
inline u_int8_t __C(CHIP,_mem_read_1) __P((void *, bus_space_handle_t,
bus_size_t));
inline u_int16_t __C(CHIP,_mem_read_2) __P((void *, bus_space_handle_t,
bus_size_t));
inline u_int32_t __C(CHIP,_mem_read_4) __P((void *, bus_space_handle_t,
bus_size_t));
inline u_int64_t __C(CHIP,_mem_read_8) __P((void *, bus_space_handle_t,
bus_size_t));
/* read multiple */
void __C(CHIP,_mem_read_multi_1) __P((void *, bus_space_handle_t,
bus_size_t, u_int8_t *, bus_size_t));
void __C(CHIP,_mem_read_multi_2) __P((void *, bus_space_handle_t,
bus_size_t, u_int16_t *, bus_size_t));
void __C(CHIP,_mem_read_multi_4) __P((void *, bus_space_handle_t,
bus_size_t, u_int32_t *, bus_size_t));
void __C(CHIP,_mem_read_multi_8) __P((void *, bus_space_handle_t,
bus_size_t, u_int64_t *, bus_size_t));
/* read region */
void __C(CHIP,_mem_read_region_1) __P((void *, bus_space_handle_t,
bus_size_t, u_int8_t *, bus_size_t));
void __C(CHIP,_mem_read_region_2) __P((void *, bus_space_handle_t,
bus_size_t, u_int16_t *, bus_size_t));
void __C(CHIP,_mem_read_region_4) __P((void *, bus_space_handle_t,
bus_size_t, u_int32_t *, bus_size_t));
void __C(CHIP,_mem_read_region_8) __P((void *, bus_space_handle_t,
bus_size_t, u_int64_t *, bus_size_t));
/* write (single) */
inline void __C(CHIP,_mem_write_1) __P((void *, bus_space_handle_t,
bus_size_t, u_int8_t));
inline void __C(CHIP,_mem_write_2) __P((void *, bus_space_handle_t,
bus_size_t, u_int16_t));
inline void __C(CHIP,_mem_write_4) __P((void *, bus_space_handle_t,
bus_size_t, u_int32_t));
inline void __C(CHIP,_mem_write_8) __P((void *, bus_space_handle_t,
bus_size_t, u_int64_t));
/* write multiple */
void __C(CHIP,_mem_write_multi_1) __P((void *, bus_space_handle_t,
bus_size_t, const u_int8_t *, bus_size_t));
void __C(CHIP,_mem_write_multi_2) __P((void *, bus_space_handle_t,
bus_size_t, const u_int16_t *, bus_size_t));
void __C(CHIP,_mem_write_multi_4) __P((void *, bus_space_handle_t,
bus_size_t, const u_int32_t *, bus_size_t));
void __C(CHIP,_mem_write_multi_8) __P((void *, bus_space_handle_t,
bus_size_t, const u_int64_t *, bus_size_t));
/* write region */
void __C(CHIP,_mem_write_region_1) __P((void *, bus_space_handle_t,
bus_size_t, const u_int8_t *, bus_size_t));
void __C(CHIP,_mem_write_region_2) __P((void *, bus_space_handle_t,
bus_size_t, const u_int16_t *, bus_size_t));
void __C(CHIP,_mem_write_region_4) __P((void *, bus_space_handle_t,
bus_size_t, const u_int32_t *, bus_size_t));
void __C(CHIP,_mem_write_region_8) __P((void *, bus_space_handle_t,
bus_size_t, const u_int64_t *, bus_size_t));
/* set multiple */
void __C(CHIP,_mem_set_multi_1) __P((void *, bus_space_handle_t,
bus_size_t, u_int8_t, bus_size_t));
void __C(CHIP,_mem_set_multi_2) __P((void *, bus_space_handle_t,
bus_size_t, u_int16_t, bus_size_t));
void __C(CHIP,_mem_set_multi_4) __P((void *, bus_space_handle_t,
bus_size_t, u_int32_t, bus_size_t));
void __C(CHIP,_mem_set_multi_8) __P((void *, bus_space_handle_t,
bus_size_t, u_int64_t, bus_size_t));
/* set region */
void __C(CHIP,_mem_set_region_1) __P((void *, bus_space_handle_t,
bus_size_t, u_int8_t, bus_size_t));
void __C(CHIP,_mem_set_region_2) __P((void *, bus_space_handle_t,
bus_size_t, u_int16_t, bus_size_t));
void __C(CHIP,_mem_set_region_4) __P((void *, bus_space_handle_t,
bus_size_t, u_int32_t, bus_size_t));
void __C(CHIP,_mem_set_region_8) __P((void *, bus_space_handle_t,
bus_size_t, u_int64_t, bus_size_t));
/* copy */
void __C(CHIP,_mem_copy_1) __P((void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t));
void __C(CHIP,_mem_copy_2) __P((void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t));
void __C(CHIP,_mem_copy_4) __P((void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t));
void __C(CHIP,_mem_copy_8) __P((void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t));
/* read multiple raw */
void __C(CHIP,_mem_read_raw_multi_2) __P((void *,
bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t));
void __C(CHIP,_mem_read_raw_multi_4) __P((void *,
bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t));
void __C(CHIP,_mem_read_raw_multi_8) __P((void *,
bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t));
/* write multiple raw */
void __C(CHIP,_mem_write_raw_multi_2) __P((void *,
bus_space_handle_t, bus_size_t, const u_int8_t *,
bus_size_t));
void __C(CHIP,_mem_write_raw_multi_4) __P((void *,
bus_space_handle_t, bus_size_t, const u_int8_t *,
bus_size_t));
void __C(CHIP,_mem_write_raw_multi_8) __P((void *,
bus_space_handle_t, bus_size_t, const u_int8_t *,
bus_size_t));
static long
__C(CHIP,_dmem_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
static long
__C(CHIP,_smem_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
static struct alpha_bus_space __C(CHIP,_mem_space) = {
/* cookie */
NULL,
/* mapping/unmapping */
__C(CHIP,_mem_map),
__C(CHIP,_mem_unmap),
__C(CHIP,_mem_subregion),
/* allocation/deallocation */
__C(CHIP,_mem_alloc),
__C(CHIP,_mem_free),
/* barrier */
__C(CHIP,_mem_barrier),
/* read (single) */
__C(CHIP,_mem_read_1),
__C(CHIP,_mem_read_2),
__C(CHIP,_mem_read_4),
__C(CHIP,_mem_read_8),
/* read multiple */
__C(CHIP,_mem_read_multi_1),
__C(CHIP,_mem_read_multi_2),
__C(CHIP,_mem_read_multi_4),
__C(CHIP,_mem_read_multi_8),
/* read region */
__C(CHIP,_mem_read_region_1),
__C(CHIP,_mem_read_region_2),
__C(CHIP,_mem_read_region_4),
__C(CHIP,_mem_read_region_8),
/* write (single) */
__C(CHIP,_mem_write_1),
__C(CHIP,_mem_write_2),
__C(CHIP,_mem_write_4),
__C(CHIP,_mem_write_8),
/* write multiple */
__C(CHIP,_mem_write_multi_1),
__C(CHIP,_mem_write_multi_2),
__C(CHIP,_mem_write_multi_4),
__C(CHIP,_mem_write_multi_8),
/* write region */
__C(CHIP,_mem_write_region_1),
__C(CHIP,_mem_write_region_2),
__C(CHIP,_mem_write_region_4),
__C(CHIP,_mem_write_region_8),
/* set multiple */
__C(CHIP,_mem_set_multi_1),
__C(CHIP,_mem_set_multi_2),
__C(CHIP,_mem_set_multi_4),
__C(CHIP,_mem_set_multi_8),
/* set region */
__C(CHIP,_mem_set_region_1),
__C(CHIP,_mem_set_region_2),
__C(CHIP,_mem_set_region_4),
__C(CHIP,_mem_set_region_8),
/* copy */
__C(CHIP,_mem_copy_1),
__C(CHIP,_mem_copy_2),
__C(CHIP,_mem_copy_4),
__C(CHIP,_mem_copy_8),
/* read multiple raw */
__C(CHIP,_mem_read_raw_multi_2),
__C(CHIP,_mem_read_raw_multi_4),
__C(CHIP,_mem_read_raw_multi_8),
/* write multiple raw*/
__C(CHIP,_mem_write_raw_multi_2),
__C(CHIP,_mem_write_raw_multi_4),
__C(CHIP,_mem_write_raw_multi_8),
};
bus_space_tag_t
__C(CHIP,_bus_mem_init)(v)
void *v;
{
bus_space_tag_t t = &__C(CHIP,_mem_space);
struct extent *dex, *sex;
t->abs_cookie = v;
/* XXX WE WANT EXTENT_NOCOALESCE, BUT WE CAN'T USE IT. XXX */
dex = extent_create(__S(__C(CHIP,_bus_dmem)), 0x0UL,
0xffffffffffffffffUL, M_DEVBUF,
(caddr_t)__C(CHIP,_dmem_ex_storage),
sizeof(__C(CHIP,_dmem_ex_storage)), EX_NOWAIT);
extent_alloc_region(dex, 0, 0xffffffffffffffffUL, EX_NOWAIT);
#ifdef CHIP_D_MEM_W1_BUS_START
#ifdef EXTENT_DEBUG
printf("dmem: freeing from 0x%lx to 0x%lx\n",
CHIP_D_MEM_W1_BUS_START(v), CHIP_D_MEM_W1_BUS_END(v));
#endif
extent_free(dex, CHIP_D_MEM_W1_BUS_START(v),
CHIP_D_MEM_W1_BUS_END(v) - CHIP_D_MEM_W1_BUS_START(v) + 1,
EX_NOWAIT);
#endif
#ifdef EXTENT_DEBUG
extent_print(dex);
#endif
CHIP_D_MEM_EXTENT(v) = dex;
/* XXX WE WANT EXTENT_NOCOALESCE, BUT WE CAN'T USE IT. XXX */
sex = extent_create(__S(__C(CHIP,_bus_smem)), 0x0UL,
0xffffffffffffffffUL, M_DEVBUF,
(caddr_t)__C(CHIP,_smem_ex_storage),
sizeof(__C(CHIP,_smem_ex_storage)), EX_NOWAIT);
extent_alloc_region(sex, 0, 0xffffffffffffffffUL, EX_NOWAIT);
#ifdef CHIP_S_MEM_W1_BUS_START
#ifdef EXTENT_DEBUG
printf("smem: freeing from 0x%lx to 0x%lx\n",
CHIP_S_MEM_W1_BUS_START(v), CHIP_S_MEM_W1_BUS_END(v));
#endif
extent_free(sex, CHIP_S_MEM_W1_BUS_START(v),
CHIP_S_MEM_W1_BUS_END(v) - CHIP_S_MEM_W1_BUS_START(v) + 1,
EX_NOWAIT);
#endif
#ifdef CHIP_S_MEM_W2_BUS_START
if (CHIP_S_MEM_W2_BUS_START(v) != CHIP_S_MEM_W1_BUS_START(v)) {
#ifdef EXTENT_DEBUG
printf("smem: freeing from 0x%lx to 0x%lx\n",
CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
#endif
extent_free(sex, CHIP_S_MEM_W2_BUS_START(v),
CHIP_S_MEM_W2_BUS_END(v) - CHIP_S_MEM_W2_BUS_START(v) + 1,
EX_NOWAIT);
} else {
#ifdef EXTENT_DEBUG
printf("smem: window 2 (0x%lx to 0x%lx) overlaps window 1\n",
CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
#endif
}
#endif
#ifdef CHIP_S_MEM_W3_BUS_START
if (CHIP_S_MEM_W3_BUS_START(v) != CHIP_S_MEM_W1_BUS_START(v) &&
CHIP_S_MEM_W3_BUS_START(v) != CHIP_S_MEM_W2_BUS_START(v)) {
#ifdef EXTENT_DEBUG
printf("smem: freeing from 0x%lx to 0x%lx\n",
CHIP_S_MEM_W3_BUS_START(v), CHIP_S_MEM_W3_BUS_END(v));
#endif
extent_free(sex, CHIP_S_MEM_W3_BUS_START(v),
CHIP_S_MEM_W3_BUS_END(v) - CHIP_S_MEM_W3_BUS_START(v) + 1,
EX_NOWAIT);
} else {
#ifdef EXTENT_DEBUG
printf("smem: window 2 (0x%lx to 0x%lx) overlaps window 1\n",
CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
#endif
}
#endif
#ifdef EXTENT_DEBUG
extent_print(sex);
#endif
CHIP_S_MEM_EXTENT(v) = sex;
return (t);
}
static int __C(CHIP,_xlate_addr_to_dense_handle) __P((void *,
bus_addr_t, bus_space_handle_t *));
static int __C(CHIP,_xlate_dense_handle_to_addr) __P((void *,
bus_space_handle_t, bus_addr_t *));
static int __C(CHIP,_xlate_addr_to_sparse_handle) __P((void *,
bus_addr_t, bus_space_handle_t *));
static int __C(CHIP,_xlate_sparse_handle_to_addr) __P((void *,
bus_space_handle_t, bus_addr_t *));
static int
__C(CHIP,_xlate_addr_to_dense_handle)(v, memaddr, memhp)
void *v;
bus_addr_t memaddr;
bus_space_handle_t *memhp;
{
#ifdef CHIP_D_MEM_W1_BUS_START
if (memaddr >= CHIP_D_MEM_W1_BUS_START(v) &&
memaddr <= CHIP_D_MEM_W1_BUS_END(v)) {
*memhp = ALPHA_PHYS_TO_K0SEG(CHIP_D_MEM_W1_SYS_START(v)) +
(memaddr - CHIP_D_MEM_W1_BUS_START(v));
return (1);
} else
#endif
return (0);
}
static int
__C(CHIP,_xlate_dense_handle_to_addr)(v, memh, memaddrp)
void *v;
bus_space_handle_t memh;
bus_addr_t *memaddrp;
{
memh = ALPHA_K0SEG_TO_PHYS(memh);
#ifdef CHIP_D_MEM_W1_BUS_START
if (memh >= CHIP_D_MEM_W1_SYS_START(v) &&
memh <= CHIP_D_MEM_W1_SYS_END(v)) {
*memaddrp = CHIP_D_MEM_W1_BUS_START(v) +
(memh - CHIP_D_MEM_W1_SYS_START(v));
return (1);
} else
#endif
return (0);
}
static int
__C(CHIP,_xlate_addr_to_sparse_handle)(v, memaddr, memhp)
void *v;
bus_addr_t memaddr;
bus_space_handle_t *memhp;
{
#ifdef CHIP_S_MEM_W1_BUS_START
if (memaddr >= CHIP_S_MEM_W1_BUS_START(v) &&
memaddr <= CHIP_S_MEM_W1_BUS_END(v)) {
*memhp =
(ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W1_SYS_START(v)) >> 5) +
(memaddr - CHIP_S_MEM_W1_BUS_START(v));
return (1);
} else
#endif
#ifdef CHIP_S_MEM_W2_BUS_START
if (memaddr >= CHIP_S_MEM_W2_BUS_START(v) &&
memaddr <= CHIP_S_MEM_W2_BUS_END(v)) {
*memhp =
(ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W2_SYS_START(v)) >> 5) +
(memaddr - CHIP_S_MEM_W2_BUS_START(v));
return (1);
} else
#endif
#ifdef CHIP_S_MEM_W3_BUS_START
if (memaddr >= CHIP_S_MEM_W3_BUS_START(v) &&
memaddr <= CHIP_S_MEM_W3_BUS_END(v)) {
*memhp =
(ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W3_SYS_START(v)) >> 5) +
(memaddr - CHIP_S_MEM_W3_BUS_START(v));
return (1);
} else
#endif
return (0);
}
static int
__C(CHIP,_xlate_sparse_handle_to_addr)(v, memh, memaddrp)
void *v;
bus_space_handle_t memh;
bus_addr_t *memaddrp;
{
memh = ALPHA_K0SEG_TO_PHYS(memh << 5) >> 5;
#ifdef CHIP_S_MEM_W1_BUS_START
if ((memh << 5) >= CHIP_S_MEM_W1_SYS_START(v) &&
(memh << 5) <= CHIP_S_MEM_W1_SYS_END(v)) {
*memaddrp = CHIP_S_MEM_W1_BUS_START(v) +
(memh - (CHIP_S_MEM_W1_SYS_START(v) >> 5));
return (1);
} else
#endif
#ifdef CHIP_S_MEM_W2_BUS_START
if ((memh << 5) >= CHIP_S_MEM_W2_SYS_START(v) &&
(memh << 5) <= CHIP_S_MEM_W2_SYS_END(v)) {
*memaddrp = CHIP_S_MEM_W2_BUS_START(v) +
(memh - (CHIP_S_MEM_W2_SYS_START(v) >> 5));
return (1);
} else
#endif
#ifdef CHIP_S_MEM_W3_BUS_START
if ((memh << 5) >= CHIP_S_MEM_W3_SYS_START(v) &&
(memh << 5) <= CHIP_S_MEM_W3_SYS_END(v)) {
*memaddrp = CHIP_S_MEM_W3_BUS_START(v) +
(memh - (CHIP_S_MEM_W3_SYS_START(v) >> 5));
return (1);
} else
#endif
return (0);
}
int
__C(CHIP,_mem_map)(v, memaddr, memsize, cacheable, memhp)
void *v;
bus_addr_t memaddr;
bus_size_t memsize;
int cacheable;
bus_space_handle_t *memhp;
{
bus_space_handle_t dh = 0, sh = 0; /* XXX -Wuninitialized */
int didd, dids, errord, errors, mustd, musts;
mustd = 1;
musts = (cacheable == 0);
#ifdef EXTENT_DEBUG
printf("mem: allocating 0x%lx to 0x%lx\n", memaddr,
memaddr + memsize - 1);
printf("mem: %s dense, %s sparse\n", mustd ? "need" : "want",
musts ? "need" : "want");
#endif
errord = extent_alloc_region(CHIP_D_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
didd = (errord == 0);
errors = extent_alloc_region(CHIP_S_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
dids = (errors == 0);
#ifdef EXTENT_DEBUG
if (!didd)
printf("mem: failed to get dense (%d)\n", errord);
if (!dids)
printf("mem: failed to get sparse (%d)\n", errors);
#endif
if ((mustd && !didd) || (musts && !dids))
goto bad;
if (didd && !__C(CHIP,_xlate_addr_to_dense_handle)(v, memaddr, &dh)) {
printf("\n");
#ifdef CHIP_D_MEM_W1_BUS_START
printf("%s: window[1]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
CHIP_D_MEM_W1_BUS_START(v), CHIP_D_MEM_W1_BUS_END(v));
#endif
panic("%s: don't know how to map %lx cacheable",
__S(__C(CHIP,_mem_map)), memaddr);
}
if (dids && !__C(CHIP,_xlate_addr_to_sparse_handle)(v, memaddr, &sh)) {
printf("\n");
#ifdef CHIP_S_MEM_W1_BUS_START
printf("%s: window[1]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
CHIP_S_MEM_W1_BUS_START(v), CHIP_S_MEM_W1_BUS_END(v));
#endif
#ifdef CHIP_S_MEM_W2_BUS_START
printf("%s: window[2]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
CHIP_S_MEM_W2_BUS_START(v), CHIP_S_MEM_W2_BUS_END(v));
#endif
#ifdef CHIP_S_MEM_W3_BUS_START
printf("%s: window[3]=0x%lx-0x%lx\n", __S(__C(CHIP,_mem_map)),
CHIP_S_MEM_W3_BUS_START(v), CHIP_S_MEM_W3_BUS_END(v));
#endif
panic("%s: don't know how to map %lx non-cacheable",
__S(__C(CHIP,_mem_map)), memaddr);
}
if (cacheable)
*memhp = dh;
else
*memhp = sh;
return (0);
bad:
#ifdef EXTENT_DEBUG
printf("mem: failed\n");
#endif
if (didd) {
#ifdef EXTENT_DEBUG
printf("mem: freeing dense\n");
#endif
if (extent_free(CHIP_D_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
printf("%s: WARNING: couldn't free dense 0x%lx-0x%lx\n",
__S(__C(CHIP,_mem_map)), memaddr,
memaddr + memsize - 1);
}
}
if (dids) {
#ifdef EXTENT_DEBUG
printf("mem: freeing sparse\n");
#endif
if (extent_free(CHIP_S_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
printf("%s: WARNING: couldn't free sparse 0x%lx-0x%lx\n",
__S(__C(CHIP,_mem_map)), memaddr,
memaddr + memsize - 1);
}
}
#ifdef EXTENT_DEBUG
extent_print(CHIP_D_MEM_EXTENT(v));
extent_print(CHIP_S_MEM_EXTENT(v));
#endif
/*
* return dense error if we needed it but couldn't get it, else
* sparse error. The error _has_ to be one of the two...
*/
return (mustd && !didd ? errord : (musts && !dids ? errors : EINVAL));
}
void
__C(CHIP,_mem_unmap)(v, memh, memsize)
void *v;
bus_space_handle_t memh;
bus_size_t memsize;
{
bus_addr_t memaddr;
bus_space_handle_t temph;
int sparse, haves, haved;
#ifdef EXTENT_DEBUG
printf("mem: freeing handle 0x%lx for 0x%lx\n", memh, memsize);
#endif
/*
* Find out what space we're in.
*/
sparse = ((memh >> 63) == 0);
/*
* Find out what address we're in in that space.
*/
haves = haved = 0;
if (sparse)
haves = __C(CHIP,_xlate_sparse_handle_to_addr)(v, memh,
&memaddr);
else
haved = __C(CHIP,_xlate_dense_handle_to_addr)(v, memh,
&memaddr);
if (!haves && !haved)
panic("%s: couldn't get addr from %s handle 0x%lx",
__S(__C(CHIP,_mem_unmap)), sparse ? "sparse" : "dense",
memh);
/*
* Find out were/if that address lives in the other space.
*/
if (sparse)
haved = __C(CHIP,_xlate_addr_to_dense_handle)(v, memaddr,
&temph);
else
haves = __C(CHIP,_xlate_addr_to_sparse_handle)(v, memaddr,
&temph);
/*
* Free any ranges we have.
*/
#ifdef EXTENT_DEBUG
printf("mem: it's at 0x%lx (%sdense, %ssparse)\n", memaddr,
haved ? "" : "not ", haves ? "" : "not ");
#endif
if (haved && extent_free(CHIP_D_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
printf("%s: WARNING: couldn't free dense 0x%lx-0x%lx\n",
__S(__C(CHIP,_mem_map)), memaddr,
memaddr + memsize - 1);
}
if (haves && extent_free(CHIP_S_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0)) != 0) {
printf("%s: WARNING: couldn't free sparse 0x%lx-0x%lx\n",
__S(__C(CHIP,_mem_map)), memaddr,
memaddr + memsize - 1);
}
}
int
__C(CHIP,_mem_subregion)(v, memh, offset, size, nmemh)
void *v;
bus_space_handle_t memh, *nmemh;
bus_size_t offset, size;
{
*nmemh = memh + offset;
return (0);
}
int
__C(CHIP,_mem_alloc)(v, rstart, rend, size, align, boundary, cacheable,
addrp, bshp)
void *v;
bus_addr_t rstart, rend, *addrp;
bus_size_t size, align, boundary;
int cacheable;
bus_space_handle_t *bshp;
{
/* XXX XXX XXX XXX XXX XXX */
panic("%s not implemented", __S(__C(CHIP,_mem_alloc)));
}
void
__C(CHIP,_mem_free)(v, bsh, size)
void *v;
bus_space_handle_t bsh;
bus_size_t size;
{
/* XXX XXX XXX XXX XXX XXX */
panic("%s not implemented", __S(__C(CHIP,_mem_free)));
}
inline void
__C(CHIP,_mem_barrier)(v, h, o, l, f)
void *v;
bus_space_handle_t h;
bus_size_t o, l;
int f;
{
if ((f & BUS_BARRIER_READ) != 0)
alpha_mb();
else if ((f & BUS_BARRIER_WRITE) != 0)
alpha_wmb();
}
inline u_int8_t
__C(CHIP,_mem_read_1)(v, memh, off)
void *v;
bus_space_handle_t memh;
bus_size_t off;
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, val;
register u_int8_t rval;
register int offset;
alpha_mb();
if ((memh >> 63) != 0)
return (*(u_int8_t *)(memh + off));
tmpmemh = memh + off;
offset = tmpmemh & 3;
port = (u_int32_t *)((tmpmemh << 5) | (0 << 3));
val = *port;
rval = ((val) >> (8 * offset)) & 0xff;
return rval;
}
inline u_int16_t
__C(CHIP,_mem_read_2)(v, memh, off)
void *v;
bus_space_handle_t memh;
bus_size_t off;
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, val;
register u_int16_t rval;
register int offset;
alpha_mb();
if ((memh >> 63) != 0)
return (*(u_int16_t *)(memh + off));
tmpmemh = memh + off;
offset = tmpmemh & 3;
port = (u_int32_t *)((tmpmemh << 5) | (1 << 3));
val = *port;
rval = ((val) >> (8 * offset)) & 0xffff;
return rval;
}
inline u_int32_t
__C(CHIP,_mem_read_4)(v, memh, off)
void *v;
bus_space_handle_t memh;
bus_size_t off;
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, val;
register u_int32_t rval;
register int offset;
alpha_mb();
if ((memh >> 63) != 0)
return (*(u_int32_t *)(memh + off));
tmpmemh = memh + off;
offset = tmpmemh & 3;
port = (u_int32_t *)((tmpmemh << 5) | (3 << 3));
val = *port;
#if 0
rval = ((val) >> (8 * offset)) & 0xffffffff;
#else
rval = val;
#endif
return rval;
}
inline u_int64_t
__C(CHIP,_mem_read_8)(v, memh, off)
void *v;
bus_space_handle_t memh;
bus_size_t off;
{
alpha_mb();
if ((memh >> 63) != 0)
return (*(u_int64_t *)(memh + off));
/* XXX XXX XXX */
panic("%s not implemented", __S(__C(CHIP,_mem_read_8)));
}
#define CHIP_mem_read_multi_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_read_multi_),BYTES)(v, h, o, a, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
TYPE *a; \
{ \
\
while (c-- > 0) { \
__C(CHIP,_mem_barrier)(v, h, o, sizeof *a, \
BUS_BARRIER_READ); \
*a++ = __C(__C(CHIP,_mem_read_),BYTES)(v, h, o); \
} \
}
CHIP_mem_read_multi_N(1,u_int8_t)
CHIP_mem_read_multi_N(2,u_int16_t)
CHIP_mem_read_multi_N(4,u_int32_t)
CHIP_mem_read_multi_N(8,u_int64_t)
#define CHIP_mem_read_region_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_read_region_),BYTES)(v, h, o, a, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
TYPE *a; \
{ \
\
while (c-- > 0) { \
*a++ = __C(__C(CHIP,_mem_read_),BYTES)(v, h, o); \
o += sizeof *a; \
} \
}
CHIP_mem_read_region_N(1,u_int8_t)
CHIP_mem_read_region_N(2,u_int16_t)
CHIP_mem_read_region_N(4,u_int32_t)
CHIP_mem_read_region_N(8,u_int64_t)
inline void
__C(CHIP,_mem_write_1)(v, memh, off, val)
void *v;
bus_space_handle_t memh;
bus_size_t off;
u_int8_t val;
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, nval;
register int offset;
if ((memh >> 63) != 0)
(*(u_int8_t *)(memh + off)) = val;
else {
tmpmemh = memh + off;
offset = tmpmemh & 3;
nval = val << (8 * offset);
port = (u_int32_t *)((tmpmemh << 5) | (0 << 3));
*port = nval;
}
alpha_mb();
}
inline void
__C(CHIP,_mem_write_2)(v, memh, off, val)
void *v;
bus_space_handle_t memh;
bus_size_t off;
u_int16_t val;
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, nval;
register int offset;
if ((memh >> 63) != 0)
(*(u_int16_t *)(memh + off)) = val;
else {
tmpmemh = memh + off;
offset = tmpmemh & 3;
nval = val << (8 * offset);
port = (u_int32_t *)((tmpmemh << 5) | (1 << 3));
*port = nval;
}
alpha_mb();
}
inline void
__C(CHIP,_mem_write_4)(v, memh, off, val)
void *v;
bus_space_handle_t memh;
bus_size_t off;
u_int32_t val;
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, nval;
register int offset;
if ((memh >> 63) != 0)
(*(u_int32_t *)(memh + off)) = val;
else {
tmpmemh = memh + off;
offset = tmpmemh & 3;
nval = val /*<< (8 * offset)*/;
port = (u_int32_t *)((tmpmemh << 5) | (3 << 3));
*port = nval;
}
alpha_mb();
}
inline void
__C(CHIP,_mem_write_8)(v, memh, off, val)
void *v;
bus_space_handle_t memh;
bus_size_t off;
u_int64_t val;
{
if ((memh >> 63) != 0)
(*(u_int64_t *)(memh + off)) = val;
else {
/* XXX XXX XXX */
panic("%s not implemented",
__S(__C(CHIP,_mem_write_8)));
}
alpha_mb();
}
#define CHIP_mem_write_multi_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_write_multi_),BYTES)(v, h, o, a, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
const TYPE *a; \
{ \
\
while (c-- > 0) { \
__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, *a++); \
__C(CHIP,_mem_barrier)(v, h, o, sizeof *a, \
BUS_BARRIER_WRITE); \
} \
}
CHIP_mem_write_multi_N(1,u_int8_t)
CHIP_mem_write_multi_N(2,u_int16_t)
CHIP_mem_write_multi_N(4,u_int32_t)
CHIP_mem_write_multi_N(8,u_int64_t)
#define CHIP_mem_write_region_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_write_region_),BYTES)(v, h, o, a, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
const TYPE *a; \
{ \
\
while (c-- > 0) { \
__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, *a++); \
o += sizeof *a; \
} \
}
CHIP_mem_write_region_N(1,u_int8_t)
CHIP_mem_write_region_N(2,u_int16_t)
CHIP_mem_write_region_N(4,u_int32_t)
CHIP_mem_write_region_N(8,u_int64_t)
#define CHIP_mem_set_multi_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_set_multi_),BYTES)(v, h, o, val, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
TYPE val; \
{ \
\
while (c-- > 0) { \
__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, val); \
__C(CHIP,_mem_barrier)(v, h, o, sizeof val, \
BUS_BARRIER_WRITE); \
} \
}
CHIP_mem_set_multi_N(1,u_int8_t)
CHIP_mem_set_multi_N(2,u_int16_t)
CHIP_mem_set_multi_N(4,u_int32_t)
CHIP_mem_set_multi_N(8,u_int64_t)
#define CHIP_mem_set_region_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_set_region_),BYTES)(v, h, o, val, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
TYPE val; \
{ \
\
while (c-- > 0) { \
__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, val); \
o += sizeof val; \
} \
}
CHIP_mem_set_region_N(1,u_int8_t)
CHIP_mem_set_region_N(2,u_int16_t)
CHIP_mem_set_region_N(4,u_int32_t)
CHIP_mem_set_region_N(8,u_int64_t)
#define CHIP_mem_copy_N(BYTES) \
void \
__C(__C(CHIP,_mem_copy_),BYTES)(v, h1, o1, h2, o2, c) \
void *v; \
bus_space_handle_t h1, h2; \
bus_size_t o1, o2, c; \
{ \
bus_size_t i, o; \
\
if ((h1 >> 63) != 0 && (h2 >> 63) != 0) { \
bcopy((void *)(h1 + o1), (void *)(h2 + o2), c * BYTES); \
return; \
} \
\
/* Circumvent a common case of overlapping problems */ \
if (h1 == h2 && o2 > o1) \
for (i = 0, o = (c - 1) * BYTES; i < c; i++, o -= BYTES)\
__C(__C(CHIP,_mem_write_),BYTES)(v, h2, o2 + o, \
__C(__C(CHIP,_mem_read_),BYTES)(v, h1, o1 + o));\
else \
for (i = 0, o = 0; i < c; i++, o += BYTES) \
__C(__C(CHIP,_mem_write_),BYTES)(v, h2, o2 + o, \
__C(__C(CHIP,_mem_read_),BYTES)(v, h1, o1 + o));\
}
CHIP_mem_copy_N(1)
CHIP_mem_copy_N(2)
CHIP_mem_copy_N(4)
CHIP_mem_copy_N(8)
#define CHIP_mem_read_raw_multi_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_read_raw_multi_),BYTES)(v, h, o, a, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
u_int8_t *a; \
{ \
TYPE temp; \
int i; \
\
while (c > 0) { \
__C(CHIP,_mem_barrier)(v, h, o, BYTES, BUS_BARRIER_READ); \
temp = __C(__C(CHIP,_mem_read_),BYTES)(v, h, o); \
i = MIN(c, BYTES); \
c -= i; \
while (i--) { \
*a++ = temp & 0xff; \
temp >>= 8; \
} \
} \
}
CHIP_mem_read_raw_multi_N(2,u_int16_t)
CHIP_mem_read_raw_multi_N(4,u_int32_t)
CHIP_mem_read_raw_multi_N(8,u_int64_t)
#define CHIP_mem_write_raw_multi_N(BYTES,TYPE) \
void \
__C(__C(CHIP,_mem_write_raw_multi_),BYTES)(v, h, o, a, c) \
void *v; \
bus_space_handle_t h; \
bus_size_t o, c; \
const u_int8_t *a; \
{ \
TYPE temp; \
int i; \
\
while (c > 0) { \
temp = 0; \
for (i = BYTES - 1; i >= 0; i--) { \
temp <<= 8; \
if (i < c) \
temp |= *(a + i); \
} \
__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, temp); \
__C(CHIP,_mem_barrier)(v, h, o, BYTES, BUS_BARRIER_WRITE); \
i = MIN(c, BYTES); \
c -= i; \
a += i; \
} \
}
CHIP_mem_write_raw_multi_N(2,u_int16_t)
CHIP_mem_write_raw_multi_N(4,u_int32_t)
CHIP_mem_write_raw_multi_N(8,u_int64_t)
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