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define bus_io_{read,write}_multi_{1,2,4,8} functions, which read/write 

multiple values from a single I/O port in to/out of an array of values.
This commit is contained in:
cgd 1996-04-18 05:47:29 +00:00
parent 57da02bd77
commit ff0a52ccd9
1 changed files with 50 additions and 1 deletions
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51
sys/arch/alpha/include/bus.h
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@ -1,4 +1,4 @@
/* $NetBSD: bus.h,v 1.1 1996/04/12 01:39:34 cgd Exp $ */
/* $NetBSD: bus.h,v 1.2 1996/04/18 05:47:29 cgd Exp $ */
/*
* Copyright (c) 1996 Carnegie-Mellon University.
@ -69,6 +69,20 @@ struct alpha_bus_chipset {
u_int64_t (*bc_ir8) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off));
/* I/O-space read-multiple functions */
void (*bc_irm1) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, u_int8_t *addr,
bus_io_size_t count));
void (*bc_irm2) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, u_int16_t *addr,
bus_io_size_t count));
void (*bc_irm4) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, u_int32_t *addr,
bus_io_size_t count));
void (*bc_irm8) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, u_int64_t *addr,
bus_io_size_t count));
/* I/O-space write functions */
void (*bc_iw1) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, u_int8_t val));
@ -79,6 +93,20 @@ struct alpha_bus_chipset {
void (*bc_iw8) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, u_int64_t val));
/* I/O-space write-multiple functions */
void (*bc_iwm1) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, const u_int8_t *addr,
bus_io_size_t count));
void (*bc_iwm2) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, const u_int16_t *addr,
bus_io_size_t count));
void (*bc_iwm4) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, const u_int32_t *addr,
bus_io_size_t count));
void (*bc_iwm8) __P((void *v, bus_io_handle_t ioh,
bus_io_size_t off, const u_int64_t *addr,
bus_io_size_t count));
/* Mem-space cookie */
void *bc_m_v;
@ -125,16 +153,37 @@ struct alpha_bus_chipset {
#define bus_io_unmap(t, ioh, size) \
(*(t)->bc_i_unmap)((t)->bc_i_v, (ioh), (size))
#define __bc_io_multi(t, h, o, a, s, dir, sz) \
(*(t)->__bc_ABCD(bc_i,dir,m,sz))((t)->bc_i_v, h, o, a, s)
#define bus_io_read_1(t, h, o) __bc_rd((t),(h),(o),1,i)
#define bus_io_read_2(t, h, o) __bc_rd((t),(h),(o),2,i)
#define bus_io_read_4(t, h, o) __bc_rd((t),(h),(o),4,i)
#define bus_io_read_8(t, h, o) __bc_rd((t),(h),(o),8,i)
#define bus_io_read_multi_1(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),r,1)
#define bus_io_read_multi_2(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),r,2)
#define bus_io_read_multi_4(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),r,4)
#define bus_io_read_multi_8(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),r,8)
#define bus_io_write_1(t, h, o, v) __bc_wr((t),(h),(o),(v),1,i)
#define bus_io_write_2(t, h, o, v) __bc_wr((t),(h),(o),(v),2,i)
#define bus_io_write_4(t, h, o, v) __bc_wr((t),(h),(o),(v),4,i)
#define bus_io_write_8(t, h, o, v) __bc_wr((t),(h),(o),(v),8,i)
#define bus_io_write_multi_1(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),w,1)
#define bus_io_write_multi_2(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),w,2)
#define bus_io_write_multi_4(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),w,4)
#define bus_io_write_multi_8(t, h, o, a, s) \
__bc_io_multi((t),(h),(o),(a),(s),w,8)
#define bus_mem_map(t, bpa, size, cacheable, mhp) \
(*(t)->bc_m_map)((t)->bc_m_v, (bpa), (size), (cacheable), (mhp))
#define bus_mem_unmap(t, memh, size) \