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NetBSD/sys/arch/alpha/pci/pci_swiz_bus_mem_chipdep.c

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/* $NetBSD: pci_swiz_bus_mem_chipdep.c,v 1.43 2009/03/18 07:41:54 cegger Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* 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_W1_SYS_START Dense Mem space base to use.
* CHIP_D_MEM_EX_STORE
* If defined, device-provided static storage area
* for the dense memory space extent. If this is
* defined, CHIP_D_MEM_EX_STORE_SIZE must also be
* defined. If this is not defined, a static area
* will be declared.
* CHIP_D_MEM_EX_STORE_SIZE
* Size of the device-provided static storage area
* for the dense memory space extent.
* CHIP_S_MEM_BASE Sparse Mem space base to use.
* CHIP_S_MEM_EX_STORE
* If defined, device-provided static storage area
* for the sparse memory space extent. If this is
* defined, CHIP_S_MEM_EX_STORE_SIZE must also be
* defined. If this is not defined, a static area
* will be declared.
* CHIP_S_MEM_EX_STORE_SIZE
* Size of the device-provided static storage area
* for the sparse memory space extent.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(1, "$NetBSD: pci_swiz_bus_mem_chipdep.c,v 1.43 2009/03/18 07:41:54 cegger Exp $");
#include <sys/extent.h>
#define __C(A,B) __CONCAT(A,B)
#define __S(S) __STRING(S)
/* mapping/unmapping */
int __C(CHIP,_mem_map)(void *, bus_addr_t, bus_size_t, int,
bus_space_handle_t *, int);
void __C(CHIP,_mem_unmap)(void *, bus_space_handle_t,
bus_size_t, int);
int __C(CHIP,_mem_subregion)(void *, bus_space_handle_t,
bus_size_t, bus_size_t, bus_space_handle_t *);
int __C(CHIP,_mem_translate)(void *, bus_addr_t, bus_size_t,
int, struct alpha_bus_space_translation *);
int __C(CHIP,_mem_get_window)(void *, int,
struct alpha_bus_space_translation *);
/* allocation/deallocation */
int __C(CHIP,_mem_alloc)(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)(void *, bus_space_handle_t,
bus_size_t);
/* get kernel virtual address */
void * __C(CHIP,_mem_vaddr)(void *, bus_space_handle_t);
/* mmap for user */
paddr_t __C(CHIP,_mem_mmap)(void *, bus_addr_t, off_t, int, int);
/* barrier */
inline void __C(CHIP,_mem_barrier)(void *, bus_space_handle_t,
bus_size_t, bus_size_t, int);
/* read (single) */
inline u_int8_t __C(CHIP,_mem_read_1)(void *, bus_space_handle_t,
bus_size_t);
inline u_int16_t __C(CHIP,_mem_read_2)(void *, bus_space_handle_t,
bus_size_t);
inline u_int32_t __C(CHIP,_mem_read_4)(void *, bus_space_handle_t,
bus_size_t);
inline u_int64_t __C(CHIP,_mem_read_8)(void *, bus_space_handle_t,
bus_size_t);
/* read multiple */
void __C(CHIP,_mem_read_multi_1)(void *, bus_space_handle_t,
bus_size_t, u_int8_t *, bus_size_t);
void __C(CHIP,_mem_read_multi_2)(void *, bus_space_handle_t,
bus_size_t, u_int16_t *, bus_size_t);
void __C(CHIP,_mem_read_multi_4)(void *, bus_space_handle_t,
bus_size_t, u_int32_t *, bus_size_t);
void __C(CHIP,_mem_read_multi_8)(void *, bus_space_handle_t,
bus_size_t, u_int64_t *, bus_size_t);
/* read region */
void __C(CHIP,_mem_read_region_1)(void *, bus_space_handle_t,
bus_size_t, u_int8_t *, bus_size_t);
void __C(CHIP,_mem_read_region_2)(void *, bus_space_handle_t,
bus_size_t, u_int16_t *, bus_size_t);
void __C(CHIP,_mem_read_region_4)(void *, bus_space_handle_t,
bus_size_t, u_int32_t *, bus_size_t);
void __C(CHIP,_mem_read_region_8)(void *, bus_space_handle_t,
bus_size_t, u_int64_t *, bus_size_t);
/* write (single) */
inline void __C(CHIP,_mem_write_1)(void *, bus_space_handle_t,
bus_size_t, u_int8_t);
inline void __C(CHIP,_mem_write_2)(void *, bus_space_handle_t,
bus_size_t, u_int16_t);
inline void __C(CHIP,_mem_write_4)(void *, bus_space_handle_t,
bus_size_t, u_int32_t);
inline void __C(CHIP,_mem_write_8)(void *, bus_space_handle_t,
bus_size_t, u_int64_t);
/* write multiple */
void __C(CHIP,_mem_write_multi_1)(void *, bus_space_handle_t,
bus_size_t, const u_int8_t *, bus_size_t);
void __C(CHIP,_mem_write_multi_2)(void *, bus_space_handle_t,
bus_size_t, const u_int16_t *, bus_size_t);
void __C(CHIP,_mem_write_multi_4)(void *, bus_space_handle_t,
bus_size_t, const u_int32_t *, bus_size_t);
void __C(CHIP,_mem_write_multi_8)(void *, bus_space_handle_t,
bus_size_t, const u_int64_t *, bus_size_t);
/* write region */
void __C(CHIP,_mem_write_region_1)(void *, bus_space_handle_t,
bus_size_t, const u_int8_t *, bus_size_t);
void __C(CHIP,_mem_write_region_2)(void *, bus_space_handle_t,
bus_size_t, const u_int16_t *, bus_size_t);
void __C(CHIP,_mem_write_region_4)(void *, bus_space_handle_t,
bus_size_t, const u_int32_t *, bus_size_t);
void __C(CHIP,_mem_write_region_8)(void *, bus_space_handle_t,
bus_size_t, const u_int64_t *, bus_size_t);
/* set multiple */
void __C(CHIP,_mem_set_multi_1)(void *, bus_space_handle_t,
bus_size_t, u_int8_t, bus_size_t);
void __C(CHIP,_mem_set_multi_2)(void *, bus_space_handle_t,
bus_size_t, u_int16_t, bus_size_t);
void __C(CHIP,_mem_set_multi_4)(void *, bus_space_handle_t,
bus_size_t, u_int32_t, bus_size_t);
void __C(CHIP,_mem_set_multi_8)(void *, bus_space_handle_t,
bus_size_t, u_int64_t, bus_size_t);
/* set region */
void __C(CHIP,_mem_set_region_1)(void *, bus_space_handle_t,
bus_size_t, u_int8_t, bus_size_t);
void __C(CHIP,_mem_set_region_2)(void *, bus_space_handle_t,
bus_size_t, u_int16_t, bus_size_t);
void __C(CHIP,_mem_set_region_4)(void *, bus_space_handle_t,
bus_size_t, u_int32_t, bus_size_t);
void __C(CHIP,_mem_set_region_8)(void *, bus_space_handle_t,
bus_size_t, u_int64_t, bus_size_t);
/* copy */
void __C(CHIP,_mem_copy_region_1)(void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
void __C(CHIP,_mem_copy_region_2)(void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
void __C(CHIP,_mem_copy_region_4)(void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
void __C(CHIP,_mem_copy_region_8)(void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
#ifdef CHIP_D_MEM_W1_SYS_START
#ifndef CHIP_D_MEM_EX_STORE
static long
__C(CHIP,_dmem_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
#define CHIP_D_MEM_EX_STORE(v) (__C(CHIP,_dmem_ex_storage))
#define CHIP_D_MEM_EX_STORE_SIZE(v) (sizeof __C(CHIP,_dmem_ex_storage))
#endif
#endif /* CHIP_D_MEM_W1_SYS_START */
#ifndef CHIP_S_MEM_EX_STORE
static long
__C(CHIP,_smem_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
#define CHIP_S_MEM_EX_STORE(v) (__C(CHIP,_smem_ex_storage))
#define CHIP_S_MEM_EX_STORE_SIZE(v) (sizeof __C(CHIP,_smem_ex_storage))
#endif
#ifndef CHIP_ADDR_SHIFT
#define CHIP_ADDR_SHIFT 5
#endif
#ifndef CHIP_SIZE_SHIFT
#define CHIP_SIZE_SHIFT 3
#endif
void
__C(CHIP,_bus_mem_init)(bus_space_tag_t t, void *v)
{
#ifdef CHIP_D_MEM_W1_SYS_START
struct extent *dex;
#endif
struct extent *sex;
/*
* Initialize the bus space tag.
*/
/* cookie */
t->abs_cookie = v;
/* mapping/unmapping */
t->abs_map = __C(CHIP,_mem_map);
t->abs_unmap = __C(CHIP,_mem_unmap);
t->abs_subregion = __C(CHIP,_mem_subregion);
t->abs_translate = __C(CHIP,_mem_translate);
t->abs_get_window = __C(CHIP,_mem_get_window);
/* allocation/deallocation */
t->abs_alloc = __C(CHIP,_mem_alloc);
t->abs_free = __C(CHIP,_mem_free);
/* get kernel virtual address */
t->abs_vaddr = __C(CHIP,_mem_vaddr);
/* mmap for user */
t->abs_mmap = __C(CHIP,_mem_mmap);
/* barrier */
t->abs_barrier = __C(CHIP,_mem_barrier);
/* read (single) */
t->abs_r_1 = __C(CHIP,_mem_read_1);
t->abs_r_2 = __C(CHIP,_mem_read_2);
t->abs_r_4 = __C(CHIP,_mem_read_4);
t->abs_r_8 = __C(CHIP,_mem_read_8);
/* read multiple */
t->abs_rm_1 = __C(CHIP,_mem_read_multi_1);
t->abs_rm_2 = __C(CHIP,_mem_read_multi_2);
t->abs_rm_4 = __C(CHIP,_mem_read_multi_4);
t->abs_rm_8 = __C(CHIP,_mem_read_multi_8);
/* read region */
t->abs_rr_1 = __C(CHIP,_mem_read_region_1);
t->abs_rr_2 = __C(CHIP,_mem_read_region_2);
t->abs_rr_4 = __C(CHIP,_mem_read_region_4);
t->abs_rr_8 = __C(CHIP,_mem_read_region_8);
/* write (single) */
t->abs_w_1 = __C(CHIP,_mem_write_1);
t->abs_w_2 = __C(CHIP,_mem_write_2);
t->abs_w_4 = __C(CHIP,_mem_write_4);
t->abs_w_8 = __C(CHIP,_mem_write_8);
/* write multiple */
t->abs_wm_1 = __C(CHIP,_mem_write_multi_1);
t->abs_wm_2 = __C(CHIP,_mem_write_multi_2);
t->abs_wm_4 = __C(CHIP,_mem_write_multi_4);
t->abs_wm_8 = __C(CHIP,_mem_write_multi_8);
/* write region */
t->abs_wr_1 = __C(CHIP,_mem_write_region_1);
t->abs_wr_2 = __C(CHIP,_mem_write_region_2);
t->abs_wr_4 = __C(CHIP,_mem_write_region_4);
t->abs_wr_8 = __C(CHIP,_mem_write_region_8);
/* set multiple */
t->abs_sm_1 = __C(CHIP,_mem_set_multi_1);
t->abs_sm_2 = __C(CHIP,_mem_set_multi_2);
t->abs_sm_4 = __C(CHIP,_mem_set_multi_4);
t->abs_sm_8 = __C(CHIP,_mem_set_multi_8);
/* set region */
t->abs_sr_1 = __C(CHIP,_mem_set_region_1);
t->abs_sr_2 = __C(CHIP,_mem_set_region_2);
t->abs_sr_4 = __C(CHIP,_mem_set_region_4);
t->abs_sr_8 = __C(CHIP,_mem_set_region_8);
/* copy */
t->abs_c_1 = __C(CHIP,_mem_copy_region_1);
t->abs_c_2 = __C(CHIP,_mem_copy_region_2);
t->abs_c_4 = __C(CHIP,_mem_copy_region_4);
t->abs_c_8 = __C(CHIP,_mem_copy_region_8);
#ifdef CHIP_D_MEM_W1_SYS_START
/* XXX WE WANT EXTENT_NOCOALESCE, BUT WE CAN'T USE IT. XXX */
dex = extent_create(__S(__C(CHIP,_bus_dmem)), 0x0UL,
0xffffffffffffffffUL, M_DEVBUF,
(void *)CHIP_D_MEM_EX_STORE(v), CHIP_D_MEM_EX_STORE_SIZE(v),
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;
#endif /* CHIP_D_MEM_W1_SYS_START */
/* XXX WE WANT EXTENT_NOCOALESCE, BUT WE CAN'T USE IT. XXX */
sex = extent_create(__S(__C(CHIP,_bus_smem)), 0x0UL,
0xffffffffffffffffUL, M_DEVBUF,
(void *)CHIP_S_MEM_EX_STORE(v), CHIP_S_MEM_EX_STORE_SIZE(v),
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;
}
#ifdef CHIP_D_MEM_W1_SYS_START
static int __C(CHIP,_xlate_addr_to_dense_handle)(void *,
bus_addr_t, bus_space_handle_t *);
static int __C(CHIP,_xlate_dense_handle_to_addr)(void *,
bus_space_handle_t, bus_addr_t *);
#endif /* CHIP_D_MEM_W1_SYS_START */
static int __C(CHIP,_xlate_addr_to_sparse_handle)(void *,
bus_addr_t, bus_space_handle_t *);
static int __C(CHIP,_xlate_sparse_handle_to_addr)(void *,
bus_space_handle_t, bus_addr_t *);
#ifdef CHIP_D_MEM_W1_SYS_START
static int
__C(CHIP,_xlate_addr_to_dense_handle)(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)) {
if (memhp != NULL)
*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)(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);
}
#endif /* CHIP_D_MEM_W1_SYS_START */
static int
__C(CHIP,_xlate_addr_to_sparse_handle)(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)) {
if (memhp != NULL)
*memhp =
(ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W1_SYS_START(v)) >>
CHIP_ADDR_SHIFT) +
(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)) {
if (memhp != NULL)
*memhp =
(ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W2_SYS_START(v)) >>
CHIP_ADDR_SHIFT) +
(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)) {
if (memhp != NULL)
*memhp =
(ALPHA_PHYS_TO_K0SEG(CHIP_S_MEM_W3_SYS_START(v)) >>
CHIP_ADDR_SHIFT) +
(memaddr - CHIP_S_MEM_W3_BUS_START(v));
return (1);
} else
#endif
return (0);
}
static int
__C(CHIP,_xlate_sparse_handle_to_addr)(void *v, bus_space_handle_t memh,
bus_addr_t *memaddrp)
{
memh = ALPHA_K0SEG_TO_PHYS(memh << CHIP_ADDR_SHIFT) >> CHIP_ADDR_SHIFT;
#ifdef CHIP_S_MEM_W1_BUS_START
if ((memh << CHIP_ADDR_SHIFT) >= CHIP_S_MEM_W1_SYS_START(v) &&
(memh << CHIP_ADDR_SHIFT) <= CHIP_S_MEM_W1_SYS_END(v)) {
*memaddrp = CHIP_S_MEM_W1_BUS_START(v) +
(memh - (CHIP_S_MEM_W1_SYS_START(v) >> CHIP_ADDR_SHIFT));
return (1);
} else
#endif
#ifdef CHIP_S_MEM_W2_BUS_START
if ((memh << CHIP_ADDR_SHIFT) >= CHIP_S_MEM_W2_SYS_START(v) &&
(memh << CHIP_ADDR_SHIFT) <= CHIP_S_MEM_W2_SYS_END(v)) {
*memaddrp = CHIP_S_MEM_W2_BUS_START(v) +
(memh - (CHIP_S_MEM_W2_SYS_START(v) >> CHIP_ADDR_SHIFT));
return (1);
} else
#endif
#ifdef CHIP_S_MEM_W3_BUS_START
if ((memh << CHIP_ADDR_SHIFT) >= CHIP_S_MEM_W3_SYS_START(v) &&
(memh << CHIP_ADDR_SHIFT) <= CHIP_S_MEM_W3_SYS_END(v)) {
*memaddrp = CHIP_S_MEM_W3_BUS_START(v) +
(memh - (CHIP_S_MEM_W3_SYS_START(v) >> CHIP_ADDR_SHIFT));
return (1);
} else
#endif
return (0);
}
int
__C(CHIP,_mem_translate)(void *v, bus_addr_t memaddr, bus_size_t memlen,
int flags, struct alpha_bus_space_translation *abst)
{
/* XXX */
return (EOPNOTSUPP);
}
int
__C(CHIP,_mem_get_window)(void *v, int window,
struct alpha_bus_space_translation *abst)
{
#ifdef CHIP_D_MEM_W1_BUS_START
#define FIRST_SPARSE 1
#else
#define FIRST_SPARSE 0
#endif
switch (window) {
#ifdef CHIP_D_MEM_W1_BUS_START
case 0:
abst->abst_bus_start = CHIP_D_MEM_W1_BUS_START(v);
abst->abst_bus_end = CHIP_D_MEM_W1_BUS_END(v);
abst->abst_sys_start = CHIP_D_MEM_W1_SYS_START(v);
abst->abst_sys_end = CHIP_D_MEM_W1_SYS_END(v);
abst->abst_addr_shift = 0;
abst->abst_size_shift = 0;
abst->abst_flags = ABST_DENSE;
break;
#endif
#ifdef CHIP_S_MEM_W1_BUS_START
case (FIRST_SPARSE):
abst->abst_bus_start = CHIP_S_MEM_W1_BUS_START(v);
abst->abst_bus_end = CHIP_S_MEM_W1_BUS_END(v);
abst->abst_sys_start = CHIP_S_MEM_W1_SYS_START(v);
abst->abst_sys_end = CHIP_S_MEM_W1_SYS_END(v);
abst->abst_addr_shift = CHIP_ADDR_SHIFT;
abst->abst_size_shift = CHIP_SIZE_SHIFT;
abst->abst_flags = 0;
break;
#endif
#ifdef CHIP_S_MEM_W2_BUS_START
case (FIRST_SPARSE + 1):
abst->abst_bus_start = CHIP_S_MEM_W2_BUS_START(v);
abst->abst_bus_end = CHIP_S_MEM_W2_BUS_END(v);
abst->abst_sys_start = CHIP_S_MEM_W2_SYS_START(v);
abst->abst_sys_end = CHIP_S_MEM_W2_SYS_END(v);
abst->abst_addr_shift = CHIP_ADDR_SHIFT;
abst->abst_size_shift = CHIP_SIZE_SHIFT;
abst->abst_flags = 0;
break;
#endif
#ifdef CHIP_S_MEM_W3_BUS_START
case (FIRST_SPARSE + 2):
abst->abst_bus_start = CHIP_S_MEM_W3_BUS_START(v);
abst->abst_bus_end = CHIP_S_MEM_W3_BUS_END(v);
abst->abst_sys_start = CHIP_S_MEM_W3_SYS_START(v);
abst->abst_sys_end = CHIP_S_MEM_W3_SYS_END(v);
abst->abst_addr_shift = CHIP_ADDR_SHIFT;
abst->abst_size_shift = CHIP_SIZE_SHIFT;
abst->abst_flags = 0;
break;
#endif
}
#undef FIRST_SPARSE
return (0);
}
int
__C(CHIP,_mem_map)(void *v, bus_addr_t memaddr, bus_size_t memsize,
int flags, bus_space_handle_t *memhp, int acct)
{
bus_space_handle_t dh = 0, sh = 0; /* XXX -Wuninitialized */
int didd, dids, errord, errors, mustd, musts;
int prefectchable = flags & BUS_SPACE_MAP_PREFETCHABLE;
int linear = flags & BUS_SPACE_MAP_LINEAR;
/*
* XXX Too hairy to not do accounting in this space. Nothing
* XXX much uses this anyhow (only ISA PnP does, and only via
* XXX a machine-dependent hook), so we don't have to care.
*/
if (acct == 0)
return (EOPNOTSUPP);
#ifdef CHIP_D_MEM_W1_SYS_START
mustd = 1;
if (!__C(CHIP,_xlate_addr_to_dense_handle)(v, memaddr, NULL)) {
/*
* This address isn't mapped into dense space; don't
* require it.
*/
mustd = 0;
}
#else
mustd = 0;
#endif
/* No prefectchable space without dense. */
if (mustd == 0)
prefectchable = 0;
/*
* We must have dense space to map memory linearly.
*/
if (linear && !prefectchable)
return (EOPNOTSUPP);
musts = (prefectchable == 0);
if (!__C(CHIP,_xlate_addr_to_sparse_handle)(v, memaddr, NULL)) {
/*
* This address isn't mapped into sparse space; don't
* require it.
*/
musts = 0;
}
/*
* If this address isn't mapped into dense or sparse, we lose.
*/
if (mustd == 0 && musts == 0) {
#ifdef EXTENT_DEBUG
printf("mem: address 0x%lx not in dense or sparse space\n",
memaddr);
#endif
return (EINVAL);
}
#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
#ifdef CHIP_D_MEM_W1_SYS_START
errord = extent_alloc_region(CHIP_D_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
#else
errord = EINVAL;
#endif
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;
#ifdef CHIP_D_MEM_W1_SYS_START
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 prefectchable",
__S(__C(CHIP,_mem_map)), memaddr);
}
#endif /* CHIP_D_MEM_W1_SYS_START */
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-prefectchable",
__S(__C(CHIP,_mem_map)), memaddr);
}
if (prefectchable)
*memhp = dh;
else
*memhp = sh;
return (0);
bad:
#ifdef EXTENT_DEBUG
printf("mem: failed\n");
#endif
#ifdef CHIP_D_MEM_W1_SYS_START
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);
}
}
#endif /* CHIP_D_MEM_W1_SYS_START */
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
#ifdef CHIP_D_MEM_W1_SYS_START
extent_print(CHIP_D_MEM_EXTENT(v));
#endif
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)(void *v, bus_space_handle_t memh,
bus_size_t memsize, int acct)
{
bus_addr_t memaddr;
#ifdef CHIP_D_MEM_W1_SYS_START
bus_space_handle_t temph;
#endif
int sparse, haves, haved;
if (acct == 0)
return;
#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);
#ifdef CHIP_D_MEM_W1_SYS_START
else
haved = __C(CHIP,_xlate_dense_handle_to_addr)(v, memh,
&memaddr);
#endif /* CHIP_D_MEM_W1_SYS_START */
if (!haves && !haved)
panic("%s: couldn't get addr from %s handle 0x%lx",
__S(__C(CHIP,_mem_unmap)), sparse ? "sparse" : "dense",
memh);
#ifdef CHIP_D_MEM_W1_SYS_START
/*
* 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);
#endif /* CHIP_D_MEM_W1_SYS_START */
/*
* Free any ranges we have.
*/
#ifdef EXTENT_DEBUG
printf("mem: it's at 0x%lx (%sdense, %ssparse)\n", memaddr,
haved ? "" : "not ", haves ? "" : "not ");
#endif
#ifdef CHIP_D_MEM_W1_SYS_START
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);
}
#endif
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)(void *v, bus_space_handle_t memh,
bus_size_t offset, bus_size_t size, bus_space_handle_t *nmemh)
{
*nmemh = memh + offset;
return (0);
}
int
__C(CHIP,_mem_alloc)(void *v, bus_addr_t rstart, bus_addr_t rend,
bus_size_t size, bus_size_t align, bus_size_t boundary, int flags,
bus_addr_t *addrp, 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)(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)));
}
void *
__C(CHIP,_mem_vaddr)(void *v, bus_space_handle_t bsh)
{
#ifdef CHIP_D_MEM_W1_SYS_START
/*
* XXX should check that the range was mapped
* with BUS_SPACE_MAP_LINEAR for sanity
*/
if ((bsh >> 63) != 0)
return ((void *)bsh);
#endif
return (0);
}
paddr_t
__C(CHIP,_mem_mmap)(void *v, bus_addr_t addr, off_t off, int prot, int flags)
{
bus_space_handle_t dh = 0, sh = 0; /* XXX -Wuninitialized */
int linear = flags & BUS_SPACE_MAP_LINEAR;
int haved = 0, haves = 0;
#ifdef CHIP_D_MEM_W1_SYS_START
if (__C(CHIP,_xlate_addr_to_dense_handle)(v, addr + off, &dh)) {
haved = 1;
dh = ALPHA_K0SEG_TO_PHYS(dh);
}
#endif
if (__C(CHIP,_xlate_addr_to_sparse_handle)(v, addr + off, &sh)) {
haves = 1;
sh = ALPHA_K0SEG_TO_PHYS(sh);
}
if (linear) {
if (haved == 0)
return (-1);
return (alpha_btop(dh));
}
if (haves == 0)
return (-1);
return (alpha_btop(sh));
}
inline void
__C(CHIP,_mem_barrier)(void *v, bus_space_handle_t h,
bus_size_t o, bus_size_t l, int f)
{
if ((f & BUS_SPACE_BARRIER_READ) != 0)
alpha_mb();
else if ((f & BUS_SPACE_BARRIER_WRITE) != 0)
alpha_wmb();
}
inline u_int8_t
__C(CHIP,_mem_read_1)(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();
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
return (*(u_int8_t *)(memh + off));
#endif
tmpmemh = memh + off;
offset = tmpmemh & 3;
port = (u_int32_t *)((tmpmemh << CHIP_ADDR_SHIFT) |
(0 << CHIP_SIZE_SHIFT));
val = *port;
rval = ((val) >> (8 * offset)) & 0xff;
return rval;
}
inline u_int16_t
__C(CHIP,_mem_read_2)(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();
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
return (*(u_int16_t *)(memh + off));
#endif
tmpmemh = memh + off;
offset = tmpmemh & 3;
port = (u_int32_t *)((tmpmemh << CHIP_ADDR_SHIFT) |
(1 << CHIP_SIZE_SHIFT));
val = *port;
rval = ((val) >> (8 * offset)) & 0xffff;
return rval;
}
inline u_int32_t
__C(CHIP,_mem_read_4)(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();
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
return (*(u_int32_t *)(memh + off));
#endif
tmpmemh = memh + off;
offset = tmpmemh & 3;
port = (u_int32_t *)((tmpmemh << CHIP_ADDR_SHIFT) |
(3 << CHIP_SIZE_SHIFT));
val = *port;
#if 0
rval = ((val) >> (8 * offset)) & 0xffffffff;
#else
rval = val;
#endif
return rval;
}
inline u_int64_t
__C(CHIP,_mem_read_8)(void *v, bus_space_handle_t memh, bus_size_t off)
{
alpha_mb();
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
return (*(u_int64_t *)(memh + off));
#endif
/* 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)(void *v, bus_space_handle_t h, bus_size_t o, TYPE *a, bus_size_t c) \
{ \
\
while (c-- > 0) { \
__C(CHIP,_mem_barrier)(v, h, o, sizeof *a, \
BUS_SPACE_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)(void *v, bus_space_handle_t h, bus_size_t o, TYPE *a, bus_size_t c) \
{ \
\
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)(void *v, bus_space_handle_t memh, bus_size_t off, uint8_t val)
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, nval;
register int offset;
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
(*(u_int8_t *)(memh + off)) = val;
else
#endif
{
tmpmemh = memh + off;
offset = tmpmemh & 3;
nval = val << (8 * offset);
port = (u_int32_t *)((tmpmemh << CHIP_ADDR_SHIFT) |
(0 << CHIP_SIZE_SHIFT));
*port = nval;
}
alpha_mb();
}
inline void
__C(CHIP,_mem_write_2)(void *v, bus_space_handle_t memh, bus_size_t off, uint16_t val)
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, nval;
register int offset;
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
(*(u_int16_t *)(memh + off)) = val;
else
#endif
{
tmpmemh = memh + off;
offset = tmpmemh & 3;
nval = val << (8 * offset);
port = (u_int32_t *)((tmpmemh << CHIP_ADDR_SHIFT) |
(1 << CHIP_SIZE_SHIFT));
*port = nval;
}
alpha_mb();
}
inline void
__C(CHIP,_mem_write_4)(void *v, bus_space_handle_t memh, bus_size_t off, uint32_t val)
{
register bus_space_handle_t tmpmemh;
register u_int32_t *port, nval;
register int offset;
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
(*(u_int32_t *)(memh + off)) = val;
else
#endif
{
tmpmemh = memh + off;
offset = tmpmemh & 3;
nval = val /*<< (8 * offset)*/;
port = (u_int32_t *)((tmpmemh << CHIP_ADDR_SHIFT) |
(3 << CHIP_SIZE_SHIFT));
*port = nval;
}
alpha_mb();
}
inline void
__C(CHIP,_mem_write_8)(void *v, bus_space_handle_t memh, bus_size_t off, uint64_t val)
{
#ifdef CHIP_D_MEM_W1_SYS_START
if ((memh >> 63) != 0)
(*(u_int64_t *)(memh + off)) = val;
else
#endif
{
/* 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)(void *v, bus_space_handle_t h, bus_size_t o, const TYPE *a, bus_size_t c) \
{ \
\
while (c-- > 0) { \
__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, *a++); \
__C(CHIP,_mem_barrier)(v, h, o, sizeof *a, \
BUS_SPACE_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)(void *v, bus_space_handle_t h, bus_size_t o, const TYPE *a, bus_size_t c) \
{ \
\
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)(void *v, bus_space_handle_t h, bus_size_t o, TYPE val, bus_size_t c) \
{ \
\
while (c-- > 0) { \
__C(__C(CHIP,_mem_write_),BYTES)(v, h, o, val); \
__C(CHIP,_mem_barrier)(v, h, o, sizeof val, \
BUS_SPACE_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)(void *v, bus_space_handle_t h, bus_size_t o, TYPE val, bus_size_t c) \
{ \
\
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_region_N(BYTES) \
void \
__C(__C(CHIP,_mem_copy_region_),BYTES)(void *v, bus_space_handle_t h1, bus_size_t o1, bus_space_handle_t h2, bus_size_t o2, bus_size_t c) \
{ \
bus_size_t o; \
\
if ((h1 >> 63) != 0 && (h2 >> 63) != 0) { \
memmove((void *)(h2 + o2), (void *)(h1 + o1), c * BYTES); \
return; \
} \
\
if ((h1 + o1) >= (h2 + o2)) { \
/* src after dest: copy forward */ \
for (o = 0; c != 0; c--, o += BYTES) \
__C(__C(CHIP,_mem_write_),BYTES)(v, h2, o2 + o, \
__C(__C(CHIP,_mem_read_),BYTES)(v, h1, o1 + o)); \
} else { \
/* dest after src: copy backwards */ \
for (o = (c - 1) * BYTES; c != 0; c--, 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_region_N(1)
CHIP_mem_copy_region_N(2)
CHIP_mem_copy_region_N(4)
CHIP_mem_copy_region_N(8)
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