206 lines
3.6 KiB
ArmAsm
206 lines
3.6 KiB
ArmAsm
/* cli-hexdump.S */
|
|
/*
|
|
This file is part of the AVR-Huffman.
|
|
Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de)
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "avr-asm-macros.S"
|
|
/******************************************************************************/
|
|
/* cli_hexdump_byte
|
|
* param data: r24
|
|
*/
|
|
.global cli_hexdump_byte
|
|
cli_hexdump_byte:
|
|
push r24
|
|
swap r24
|
|
andi r24, 0x0f
|
|
ldi r30, lo8(hexdigit_tab_P)
|
|
ldi r31, hi8(hexdigit_tab_P)
|
|
add r30, r24
|
|
adc r31, r1
|
|
clr r25
|
|
lpm r24, Z
|
|
rcall cli_putc
|
|
pop r24
|
|
andi r24, 0x0f
|
|
ldi r30, lo8(hexdigit_tab_P)
|
|
ldi r31, hi8(hexdigit_tab_P)
|
|
add r30, r24
|
|
adc r31, r1
|
|
clr r25
|
|
lpm r24, Z
|
|
rcall cli_putc
|
|
ret
|
|
|
|
/******************************************************************************/
|
|
/* cli_hexdump
|
|
* param data: r24:r25
|
|
* param length: r22:r23
|
|
*/
|
|
.global cli_hexdump
|
|
cli_hexdump:
|
|
push r28
|
|
push r29
|
|
push r16
|
|
push r17
|
|
movw r28, r24
|
|
movw r16, r22
|
|
movw r26, r22
|
|
adiw r26, 0
|
|
breq hexdump_exit
|
|
2:
|
|
ld r24, Y+
|
|
rcall cli_hexdump_byte
|
|
subi r16, 1
|
|
sbci r17, 0
|
|
brne 2b
|
|
hexdump_exit:
|
|
pop r17
|
|
pop r16
|
|
pop r29
|
|
pop r28
|
|
ret
|
|
|
|
/******************************************************************************/
|
|
/* cli_hexdump_rev
|
|
* param data: r24:r25
|
|
* param length: r22:r23
|
|
*/
|
|
.global cli_hexdump_rev
|
|
cli_hexdump_rev:
|
|
push r28
|
|
push r29
|
|
push r16
|
|
push r17
|
|
movw r28, r24
|
|
movw r16, r22
|
|
add r28, r22
|
|
adc r29, r23
|
|
movw r26, r22
|
|
adiw r26, 0
|
|
1:
|
|
breq hexdump_exit
|
|
ld r24, -Y
|
|
rcall cli_hexdump_byte
|
|
subi r16, 1
|
|
sbci r17, 0
|
|
rjmp 1b
|
|
|
|
/******************************************************************************/
|
|
/* cli_hexdump2
|
|
* param data: r24:r25
|
|
* param length: r22:r23
|
|
*/
|
|
.global cli_hexdump2
|
|
cli_hexdump2:
|
|
push r28
|
|
push r29
|
|
push r16
|
|
push r17
|
|
movw r28, r24
|
|
movw r16, r22
|
|
movw r26, r16
|
|
adiw r26, 0
|
|
1:
|
|
breq hexdump_exit
|
|
ld r24, Y+
|
|
rcall cli_hexdump_byte
|
|
clr r25
|
|
ldi r24,' '
|
|
rcall cli_putc
|
|
|
|
subi r16, 1
|
|
sbci r17, 0
|
|
rjmp 1b
|
|
|
|
/******************************************************************************/
|
|
/* void cli_hexdump_block(const void* data, uint16_t length, uint8_t indent, uint8_t width)
|
|
* param data: r24:r25
|
|
* param length: r22:r23
|
|
* param indent: r20
|
|
* param width: r18
|
|
*/
|
|
WIDTH = 2
|
|
INDENT = 3
|
|
DATA_0 = 28
|
|
DATA_1 = 29
|
|
LENG_0 = 16
|
|
LENG_1 = 17
|
|
|
|
.global cli_hexdump_block
|
|
cli_hexdump_block:
|
|
tst r22
|
|
brne 1f
|
|
tst r23
|
|
brne 1f
|
|
ret
|
|
1:
|
|
push WIDTH
|
|
push INDENT
|
|
push DATA_0
|
|
push DATA_1
|
|
push LENG_0
|
|
push LENG_1
|
|
push r4
|
|
mov WIDTH, r18
|
|
mov INDENT, r20
|
|
movw DATA_0, r24
|
|
movw LENG_0, r22
|
|
2:
|
|
clr r25
|
|
ldi r24, '\r'
|
|
rcall cli_putc
|
|
clr r25
|
|
ldi r24, '\n'
|
|
rcall cli_putc
|
|
mov r4, INDENT
|
|
tst r4
|
|
breq 4f
|
|
3: clr r25
|
|
ldi r24, ' '
|
|
rcall cli_putc
|
|
dec r4
|
|
brne 3b
|
|
4:
|
|
movw r24, DATA_0
|
|
clr r23
|
|
mov r22, WIDTH
|
|
tst LENG_1
|
|
brne 7f
|
|
cp WIDTH, LENG_0
|
|
breq 6f
|
|
brmi 7f
|
|
mov r22, LENG_0
|
|
6: inc r4
|
|
7:
|
|
rcall cli_hexdump2
|
|
add DATA_0, WIDTH
|
|
adc DATA_1, r1
|
|
sub LENG_0, WIDTH
|
|
sbc LENG_0, r1
|
|
tst r4
|
|
breq 2b
|
|
pop r4
|
|
pop LENG_1
|
|
pop LENG_0
|
|
pop DATA_1
|
|
pop DATA_0
|
|
pop INDENT
|
|
pop WIDTH
|
|
ret
|
|
|
|
|