/* $OpenBSD: pci_bwx_bus_mem_chipdep.c,v 1.6 2003/09/02 17:25:21 miod 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_MEM_BASE Mem space base to use.
* CHIP_MEM_EX_STORE
* If defined, device-provided static storage area
* for the memory space extent. If this is
* defined, CHIP_MEM_EX_STORE_SIZE must also be
* defined. If this is not defined, a static area
* will be declared.
* CHIP_MEM_EX_STORE_SIZE
* Size of the device-provided static storage area
* for the memory space extent.
*/
#include <sys/extent.h>
#include <machine/bwx.h>
#define __C(A,B) __CONCAT(A,B)
#define __S(S) __STRING(S)
#ifndef CHIP_EXTENT_NAME
#define CHIP_EXTENT_NAME(v) __S(__C(CHIP,_bus_dmem))
#endif
#ifndef CHIP_EXTENT_STORAGE
#define CHIP_EXTENT_STORAGE(v) __C(CHIP,_mem_ex_storage)
static long
__C(CHIP,_mem_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
#endif
/* mapping/unmapping */
int __C(CHIP,_mem_map)(void *, bus_addr_t, bus_size_t, int,
bus_space_handle_t *);
void __C(CHIP,_mem_unmap)(void *, bus_space_handle_t,
bus_size_t);
int __C(CHIP,_mem_subregion)(void *, bus_space_handle_t,
bus_size_t, bus_size_t, bus_space_handle_t *);
/* 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);
/* 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_1)(void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
void __C(CHIP,_mem_copy_2)(void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
void __C(CHIP,_mem_copy_4)(void *, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t);
void __C(CHIP,_mem_copy_8)(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)(void *,
bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
void __C(CHIP,_mem_read_raw_multi_4)(void *,
bus_space_handle_t, bus_size_t, u_int8_t *, bus_size_t);
void __C(CHIP,_mem_read_raw_multi_8)(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)(void *,
bus_space_handle_t, bus_size_t, const u_int8_t *,
bus_size_t);
void __C(CHIP,_mem_write_raw_multi_4)(void *,
bus_space_handle_t, bus_size_t, const u_int8_t *,
bus_size_t);
void __C(CHIP,_mem_write_raw_multi_8)(void *,
bus_space_handle_t, bus_size_t, const u_int8_t *,
bus_size_t);
void
__C(CHIP,_bus_mem_init)(t, v)
bus_space_tag_t t;
void *v;
{
struct extent *ex;
/*
* 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);
/* allocation/deallocation */
t->abs_alloc = __C(CHIP,_mem_alloc);
t->abs_free = __C(CHIP,_mem_free);
/* 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_1);
t->abs_c_2 = __C(CHIP,_mem_copy_2);
t->abs_c_4 = __C(CHIP,_mem_copy_4);
t->abs_c_8 = __C(CHIP,_mem_copy_8);
/* read multiple raw */
t->abs_rrm_2 = __C(CHIP,_mem_read_raw_multi_2);
t->abs_rrm_4 = __C(CHIP,_mem_read_raw_multi_4);
t->abs_rrm_8 = __C(CHIP,_mem_read_raw_multi_8);
/* write multiple raw*/
t->abs_wrm_2 = __C(CHIP,_mem_write_raw_multi_2);
t->abs_wrm_4 = __C(CHIP,_mem_write_raw_multi_4);
t->abs_wrm_8 = __C(CHIP,_mem_write_raw_multi_8);
ex = extent_create(CHIP_EXTENT_NAME(v), 0x0UL,
0xffffffffffffffffUL, M_DEVBUF,
(caddr_t)CHIP_EXTENT_STORAGE(v),
sizeof(CHIP_EXTENT_STORAGE(v)), EX_NOWAIT|EX_NOCOALESCE);
CHIP_MEM_EXTENT(v) = ex;
}
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;
{
int error;
#ifdef EXTENT_DEBUG
printf("mem: allocating 0x%lx to 0x%lx\n", memaddr,
memaddr + memsize - 1);
#endif
error = extent_alloc_region(CHIP_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
if (error) {
#ifdef EXTENT_DEBUG
printf("mem: allocation failed (%d)\n", error);
extent_print(CHIP_MEM_EXTENT(v));
#endif
return (error);
}
*memhp = ALPHA_PHYS_TO_K0SEG(CHIP_MEM_SYS_START(v)) + memaddr;
return (0);
}
void
__C(CHIP,_mem_unmap)(v, memh, memsize)
void *v;
bus_space_handle_t memh;
bus_size_t memsize;
{
bus_addr_t memaddr;
int error;
#ifdef EXTENT_DEBUG
printf("mem: freeing handle 0x%lx for 0x%lx\n", memh, memsize);
#endif
memaddr = memh - ALPHA_PHYS_TO_K0SEG(CHIP_MEM_SYS_START(v));
#ifdef EXTENT_DEBUG
"mem: freeing 0x%lx to 0x%lx\n", memaddr, memaddr + memsize - 1);
#endif
error = extent_free(CHIP_MEM_EXTENT(v), memaddr, memsize,
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
if (error) {
printf("%s: WARNING: could not unmap 0x%lx-0x%lx (error %d)\n",
__S(__C(CHIP,_mem_unmap)), memaddr, memaddr + memsize - 1,
error);
#ifdef EXTENT_DEBUG
extent_print(CHIP_MEM_EXTENT(v));
#endif
}
}
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;
{
bus_addr_t memaddr;
int error;
/*
* Do the requested allocation.
*/
#ifdef EXTENT_DEBUG
printf("mem: allocating from 0x%lx to 0x%lx\n", rstart, rend);
#endif
error = extent_alloc_subregion(CHIP_MEM_EXTENT(v), rstart, rend,
size, align, 0, boundary,
EX_FAST | EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0),
&memaddr);
if (error) {
#ifdef EXTENT_DEBUG
printf("mem: allocation failed (%d)\n", error);
extent_print(CHIP_MEM_EXTENT(v));
#endif
}
#ifdef EXTENT_DEBUG
printf("mem: allocated 0x%lx to 0x%lx\n", memaddr, memaddr + size - 1);
#endif
*addrp = memaddr;
*bshp = ALPHA_PHYS_TO_K0SEG(CHIP_MEM_SYS_START(v)) + memaddr;
return (0);
}
void
__C(CHIP,_mem_free)(v, bsh, size)
void *v;
bus_space_handle_t bsh;
bus_size_t size;
{
/* Unmap does all we need to do. */
__C(CHIP,_mem_unmap)(v, bsh, size);
}
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;
{
bus_addr_t addr;
addr = memh + off;
alpha_mb();
return (alpha_ldbu((u_int8_t *)addr));
}
inline u_int16_t
__C(CHIP,_mem_read_2)(v, memh, off)
void *v;
bus_space_handle_t memh;
bus_size_t off;
{
bus_addr_t addr;
addr = memh + off;
#ifdef DIAGNOSTIC
if (addr & 1)
panic(__S(__C(CHIP,_mem_read_2)) ": addr 0x%lx not aligned",
addr);
#endif
alpha_mb();
return (alpha_ldwu((u_int16_t *)addr));
}
inline u_int32_t
__C(CHIP,_mem_read_4)(v, memh, off)
void *v;
bus_space_handle_t memh;
bus_size_t off;
{
bus_addr_t addr;
addr = memh + off;
#ifdef DIAGNOSTIC
if (addr & 3)
panic(__S(__C(CHIP,_mem_read_4)) ": addr 0x%lx not aligned",
addr);
#endif
alpha_mb();
return (*(u_int32_t *)addr);
}
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();
/* 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;
{
bus_addr_t addr;
addr = memh + off;
alpha_stb((u_int8_t *)addr, val);
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;
{
bus_addr_t addr;
addr = memh + off;
#ifdef DIAGNOSTIC
if (addr & 1)
panic(__S(__C(CHIP,_mem_write_2)) ": addr 0x%lx not aligned",
addr);
#endif
alpha_stw((u_int16_t *)addr, val);
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;
{
bus_addr_t addr;
addr = memh + off;
#ifdef DIAGNOSTIC
if (addr & 3)
panic(__S(__C(CHIP,_mem_write_4)) ": addr 0x%lx not aligned",
addr);
#endif
*(u_int32_t *)addr = val;
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;
{
/* 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)
![[BACK]](/icons/back.gif){kind=icon}
Return to pci_bwx_bus_mem_chipdep.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / arch / alpha / pci