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Add bus_space_copy_region_2() op, which is required by MI vga(4), 

from sys/arch/arm/arm/bus_space_asm_generic.S.

XXX: isa_io_asm.S and bus_space_asm_generic.S is mostly identical.
This commit is contained in:
tsutsui 2005-01-09 15:26:19 +00:00
parent 0a1196da3e
commit 01c812cc7b
2 changed files with 39 additions and 5 deletions
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8
sys/arch/shark/isa/isa_io.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: isa_io.c,v 1.4 2005/01/05 10:25:43 tsutsui Exp $ */
/* $NetBSD: isa_io.c,v 1.5 2005/01/09 15:26:19 tsutsui Exp $ */
/*
* Copyright 1997
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: isa_io.c,v 1.4 2005/01/05 10:25:43 tsutsui Exp $");
__KERNEL_RCSID(0, "$NetBSD: isa_io.c,v 1.5 2005/01/09 15:26:19 tsutsui Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -133,7 +133,7 @@ struct bus_space isa_io_bs_tag = {
/* copy */
bs_notimpl_bs_c_1,
bs_notimpl_bs_c_2,
isa_bs_c_2,
bs_notimpl_bs_c_4,
bs_notimpl_bs_c_8,
};
@ -214,7 +214,7 @@ struct bus_space isa_mem_bs_tag = {
/* copy */
bs_notimpl_bs_c_1,
bs_notimpl_bs_c_2,
isa_bs_c_2,
bs_notimpl_bs_c_4,
bs_notimpl_bs_c_8,
};

36
sys/arch/shark/isa/isa_io_asm.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: isa_io_asm.S,v 1.1 2002/02/10 01:57:53 thorpej Exp $ */
/* $NetBSD: isa_io_asm.S,v 1.2 2005/01/09 15:26:19 tsutsui Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -339,3 +339,37 @@ Lisa_bs_sr_2_loop:
bne Lisa_bs_sr_2_loop
mov pc, lr
/*
* Copy region
*/
ENTRY(isa_bs_c_2)
add r0, r1, r2
ldr r2, [sp, #0]
add r1, r2, r3
ldr r2, [sp, #4]
teq r2, #0
moveq pc, lr
cmp r0, r1
blt 2f
1: ldrh r3, [r0], #2
strh r3, [r1], #2
subs r2, r2, #1
bne 1b
mov pc, lr
2: add r0, r0, r2, lsl #1
add r1, r1, r2, lsl #1
sub r0, r0, #2
sub r1, r1, #2
3: ldrh r3, [r0], #-2
strh r3, [r1], #-2
subs r2, r2, #1
bne 3b
mov pc, lr