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Implement bus_space_copy_region_2() for footbridge tags.

This commit is contained in:
mark 1998-11-10 04:29:21 +00:00
parent c614b69974
commit e695fe5347
2 changed files with 19 additions and 3 deletions
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4
sys/arch/arm32/footbridge/footbridge_io.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: footbridge_io.c,v 1.1 1998/09/06 02:20:35 mark Exp $ */
/* $NetBSD: footbridge_io.c,v 1.2 1998/11/10 04:29:21 mark Exp $ */
/*
* Copyright (c) 1997 Causality Limited
@ -116,7 +116,7 @@ struct bus_space footbridge_bs_tag = {
/* copy */
bs_notimpl_bs_c_1,
bs_notimpl_bs_c_2,
footbridge_bs_c_2,
bs_notimpl_bs_c_4,
bs_notimpl_bs_c_8,
};

18
sys/arch/arm32/footbridge/footbridge_io_asm.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: footbridge_io_asm.S,v 1.1 1998/09/06 02:20:35 mark Exp $ */
/* $NetBSD: footbridge_io_asm.S,v 1.2 1998/11/10 04:29:21 mark Exp $ */
/*
* Copyright (c) 1997 Causality Limited.
@ -190,3 +190,19 @@ Lfootbridge_bs_sr_2_loop:
bne Lfootbridge_bs_sr_2_loop
mov pc, lr
ENTRY(footbridge_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
Lfootbridge_bs_c_2_loop:
ldrh r3, [r0], #2
strh r3, [r1], #2
subs r2, r2, #1
bne Lfootbridge_bs_c_2_loop
mov pc, lr