NetBSD/sys/arch/arm32/mainbus/mainbus_io_asm.S

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/* $NetBSD: mainbus_io_asm.S,v 1.2 1997/01/26 01:50:18 mark Exp $ */
/*
* Copyright (c) 1997 Mark Brinicombe.
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* bus_space I/O functions for mainbus
*/
sp .req r13
lr .req r14
pc .req r15
.text
/*
* read single
*/
.global _mainbus_r_1
_mainbus_r_1:
ldrb r0, [r1, r2, lsl #2]
mov pc, lr
.global _mainbus_r_2
_mainbus_r_2:
ldr r0, [r1, r2, lsl #2]
bic r0, r0, #0xff000000
bic r0, r0, #0x00ff0000
mov pc, lr
.global _mainbus_r_4
_mainbus_r_4:
ldr r0, [r1, r2, lsl #2]
mov pc, lr
.global _mainbus_r_8
_mainbus_r_8:
adr r0, mainbus_r_8_text
b _panic
mainbus_r_8_text:
.asciz "mainbus_r_8(%x,%x): Not implemented\n"
.align 0
/*
* write single
*/
.global _mainbus_w_1
_mainbus_w_1:
strb r3, [r1, r2, lsl #2]
mov pc, lr
.global _mainbus_w_2
_mainbus_w_2:
mov r3, r3, lsl #16
orr r3, r3, r3, lsr #16
str r3, [r1, r2, lsl #2]
mov pc, lr
.global _mainbus_w_4
_mainbus_w_4:
str r3, [r1, r2, lsl #2]
mov pc, lr
.global _mainbus_w_8
_mainbus_w_8:
adr r0, mainbus_w_8_text
b _panic
mainbus_w_8_text:
.asciz "mainbus_w_8(%x,%x,%x): Not implemented\n"
.align 0
/*
* read multiple
*/
.global _mainbus_rm_1
_mainbus_rm_1:
adr r0, mainbus_rm_1_text
b _panic
mainbus_rm_1_text:
.asciz "mainbus_rm_1(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_rm_2
_mainbus_rm_2:
add r0, r1, r2, lsl #2
mov r1, r3
ldr r2, [sp, #0]
b _insw16
.global _mainbus_rm_4
_mainbus_rm_4:
adr r0, mainbus_rm_4_text
b _panic
mainbus_rm_4_text:
.asciz "mainbus_rm_4(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_rm_8
_mainbus_rm_8:
adr r0, mainbus_rm_8_text
b _panic
mainbus_rm_8_text:
.asciz "mainbus_rm_8(%x,%x,%x,%x): Not implemented\n"
.align 0
/*
* write multiple
*/
.global _mainbus_wm_1
_mainbus_wm_1:
adr r0, mainbus_wm_1_text
b _panic
mainbus_wm_1_text:
.asciz "mainbus_wm_1(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_wm_2
_mainbus_wm_2:
add r0, r1, r2, lsl #2
mov r1, r3
ldr r2, [sp, #0]
b _outsw16
.global _mainbus_wm_4
_mainbus_wm_4:
adr r0, mainbus_wm_4_text
b _panic
mainbus_wm_4_text:
.asciz "mainbus_wm_4(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_wm_8
_mainbus_wm_8:
adr r0, mainbus_wm_8_text
b _panic
mainbus_wm_8_text:
.asciz "mainbus_wm_8(%x,%x,%x,%x): Not implemented\n"
.align 0
/*
* read region
*/
.global _mainbus_rr_1
_mainbus_rr_1:
adr r0, mainbus_rr_1_text
b _panic
mainbus_rr_1_text:
.asciz "mainbus_rr_1(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_rr_2
_mainbus_rr_2:
adr r0, mainbus_rr_2_text
b _panic
mainbus_rr_2_text:
.asciz "mainbus_rr_2(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_rr_4
_mainbus_rr_4:
adr r0, mainbus_rr_4_text
b _panic
mainbus_rr_4_text:
.asciz "mainbus_rr_4(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_rr_8
_mainbus_rr_8:
adr r0, mainbus_rr_8_text
b _panic
mainbus_rr_8_text:
.asciz "mainbus_rr_8(%x,%x,%x,%x): Not implemented\n"
.align 0
/*
* write region
*/
.global _mainbus_wr_1
_mainbus_wr_1:
adr r0, mainbus_wr_1_text
b _panic
mainbus_wr_1_text:
.asciz "mainbus_wr_1(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_wr_2
_mainbus_wr_2:
adr r0, mainbus_wr_2_text
b _panic
mainbus_wr_2_text:
.asciz "mainbus_wr_2(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_wr_4
_mainbus_wr_4:
adr r0, mainbus_wr_4_text
b _panic
mainbus_wr_4_text:
.asciz "mainbus_wr_4(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_wr_8
_mainbus_wr_8:
adr r0, mainbus_wr_8_text
b _panic
mainbus_wr_8_text:
.asciz "mainbus_wr_8(%x,%x,%x,%x): Not implemented\n"
.align 0
/*
* set multiple
*/
.global _mainbus_sm_1
_mainbus_sm_1:
adr r0, mainbus_sm_1_text
b _panic
mainbus_sm_1_text:
.asciz "mainbus_sm_1(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_sm_2
_mainbus_sm_2:
adr r0, mainbus_sm_2_text
b _panic
mainbus_sm_2_text:
.asciz "mainbus_sm_2(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_sm_4
_mainbus_sm_4:
adr r0, mainbus_sm_4_text
b _panic
mainbus_sm_4_text:
.asciz "mainbus_sm_4(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_sm_8
_mainbus_sm_8:
adr r0, mainbus_sm_8_text
b _panic
mainbus_sm_8_text:
.asciz "mainbus_sm_8(%x,%x,%x,%x): Not implemented\n"
.align 0
/*
* set region
*/
.global _mainbus_sr_1
_mainbus_sr_1:
adr r0, mainbus_sr_1_text
b _panic
mainbus_sr_1_text:
.asciz "mainbus_sr_1(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_sr_2
_mainbus_sr_2:
adr r0, mainbus_sr_2_text
b _panic
mainbus_sr_2_text:
.asciz "mainbus_sr_2(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_sr_4
_mainbus_sr_4:
adr r0, mainbus_sr_4_text
b _panic
mainbus_sr_4_text:
.asciz "mainbus_sr_4(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_sr_8
_mainbus_sr_8:
adr r0, mainbus_sr_8_text
b _panic
mainbus_sr_8_text:
.asciz "mainbus_sr_8(%x,%x,%x,%x): Not implemented\n"
.align 0
/*
* copy
*/
.global _mainbus_c_1
_mainbus_c_1:
adr r0, mainbus_c_1_text
b _panic
mainbus_c_1_text:
.asciz "mainbus_c_1(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_c_2
_mainbus_c_2:
adr r0, mainbus_c_2_text
b _panic
mainbus_c_2_text:
.asciz "mainbus_c_2(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_c_4
_mainbus_c_4:
adr r0, mainbus_c_4_text
b _panic
mainbus_c_4_text:
.asciz "mainbus_c_4(%x,%x,%x,%x): Not implemented\n"
.align 0
.global _mainbus_c_8
_mainbus_c_8:
adr r0, mainbus_c_8_text
b _panic
mainbus_c_8_text:
.asciz "mainbus_c_8(%x,%x,%x,%x): Not implemented\n"
.align 0