--- /dev/null
+/* dump-asm.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"
+#include <avr/io.h>
+#include <avr/sfr_defs.h>
+#define DUMP_WIDTH 16
+
+#define ADDR_BASE 16
+/******************************************************************************/
+/* uint8_t charisinstr_P(char c, PGM_P str)
+ * param c: r24
+ * param str: r22:r23
+ */
+charisinstr_P:
+ movw r30, r22
+1:
+ lpm r22, Z+
+ tst r22
+ brne 2f
+ clr r24
+ ret
+2:
+ cp r22, r24
+ brne 1b
+ ldi r24, 1
+ ret
+
+/******************************************************************************/
+/* void dump_chars(uint8_t* buffer, uint8_t len)
+ * param buffer: r24:r25
+ * param len: r22
+ */
+dump_chars:
+ push r16
+ push r17
+ push r28
+ push r29
+ movw r28, r24
+ mov r16, r22
+ ldi r24, '|'
+ clr r25
+ call cli_putc
+ mov r17, r16
+1:
+ ld r24, Y
+ clr r25
+ call isprint
+ tst r24
+ brne 2f
+ ldi r24, '.'
+ adiw r28, 1
+ rjmp 3f
+2: ld r24, Y+
+3:
+ clr r25
+ call cli_putc
+ dec r17
+ brne 1b
+ subi r16, DUMP_WIDTH
+ tst r16
+ breq 5f
+ neg r16
+4:
+ ldi r24, ' '
+ clr r25
+ call cli_putc
+ dec r16
+ brne 4b
+5:
+ ldi r24, '|'
+ clr r25
+ call cli_putc
+ pop r29
+ pop r28
+ pop r17
+ pop r16
+ ret
+
+ /*****************************************************************************/
+ /* void print_aligned(unsigned long value, uint8_t align)
+ * param value: r22:r25
+ * param align: r20
+ */
+print_aligned:
+ push r16
+ push r28
+ push r29
+ stack_alloc 12, r28, r29
+ adiw r28, 1
+ mov r16, r20
+ movw r20, r28
+ ldi r18, ADDR_BASE
+ clr r19
+ call ultoa
+ movw r24, r28
+ call strlen
+ sub r16, r24
+ brmi 3f
+ breq 3f
+1:
+ ldi r24, ' '
+ clr r25
+ call cli_putc
+ dec r16
+ brne 1b
+3:
+ movw r24, r28
+ call cli_putstr
+ stack_free 12
+ pop r29
+ pop r28
+ pop r16
+ ret
+
+ /*****************************************************************************/
+ /* void dump(char* s)
+ * param s: r24:r25
+ */
+
+STR_0 = 4
+STR_1 = 5
+ADDR_0 = 6
+ADDR_1 = 7
+ADDR_2 = 8
+ADDR_3 = 9
+SIZE_0 = 10
+SIZE_1 = 11
+SIZE_2 = 12
+SIZE_3 = 13
+MEM_0 = 14
+MEM_1 = 15
+xREADLEN = 16
+TMP = 17
+
+.global dump
+dump:
+ call strstrip
+ push_range 4, 17
+ push_range 28, 29
+ movw r26, r24
+ ld TMP, X
+ movw STR_0, r26
+ ldi r30, lo8(memtype_desc)
+ ldi r31, hi8(memtype_desc)
+1:
+ lpm r22, Z+
+ lpm r23, Z+
+ tst r22
+ brne 2f
+ tst r23
+ breq 5f
+2:
+ movw r28, r30
+ mov r24, TMP
+ clr r25
+ rcall charisinstr_P
+ movw r30, r28
+ tst r24
+ brne 6f
+ adiw r30, 4
+ rjmp 1b
+5:
+ ldi r30, lo8(memtype_desc+2)
+ ldi r31, hi8(memtype_desc+2)
+6:
+ movw MEM_0, r30
+ movw r26, STR_0
+61:
+ ld r20, X+
+ ori r20, 'A'^'a'
+ cpi r20, 'a'
+ brmi 7f
+ cpi r20, 'z'+1
+ brge 7f
+ rjmp 61b
+7:
+ sbiw r26, 1
+ stack_alloc 2+DUMP_WIDTH, r28, r29
+ adiw r28, 1
+ movw r24, r26
+ movw r22, r28
+ clr r20
+ clr r21
+ call strtoul
+ movw ADDR_0, r22
+ movw ADDR_2, r24
+ ld r24, Y+
+ ld r25, Y+
+ clr r23
+ clr r22
+ clr r21
+ clr r20
+ call strtoul
+ movw SIZE_0, r22
+ movw SIZE_2, r24
+ tst SIZE_0
+ brne 72f
+ tst SIZE_1
+ brne 72f
+ tst SIZE_2
+ brne 72f
+ tst SIZE_3
+ brne 72f
+ ldi TMP, 128
+ mov SIZE_0, TMP
+72:
+ ldi r24, lo8(dumping)
+ ldi r25, hi8(dumping)
+ call cli_putstr_P
+ movw r24, SIZE_2
+ movw r22, SIZE_0
+ movw r20, r28
+ clr r19
+ ldi r18, 10
+ call ultoa
+ movw r24, r28
+ call cli_putstr
+ ldi r24, lo8(bytesof)
+ ldi r25, hi8(bytesof)
+ call cli_putstr_P
+ movw r30, MEM_0
+ lpm r24, Z+
+ lpm r25, Z+
+ call cli_putstr_P
+ ldi r24, lo8(beginning)
+ ldi r25, hi8(beginning)
+ call cli_putstr_P
+ movw r24, ADDR_2
+ movw r22, ADDR_0
+ movw r20, r28
+ clr r19
+ ldi r18, 16
+ call ultoa
+ movw r24, r28
+ call cli_putstr
+ ldi r24, lo8(suffix)
+ ldi r25, hi8(suffix)
+ call cli_putstr_P
+
+ movw r30, MEM_0
+ adiw r30, 2
+ lpm MEM_0, Z+
+ lpm MEM_1, Z
+
+1:
+ ldi xREADLEN, DUMP_WIDTH
+ tst SIZE_3
+ brne 3f
+ tst SIZE_2
+ brne 3f
+ tst SIZE_1
+ brne 3f
+ tst SIZE_0
+ brne 2f
+ rjmp 90f
+2:
+ cp DUMP_WIDTH, SIZE_0
+ brmi 3f
+ mov xREADLEN, SIZE_0
+3:
+ movw r24, r28
+ movw r22, ADDR_2
+ movw r20, ADDR_0
+ clr r19
+ mov r18, xREADLEN
+ movw r30, MEM_0
+ icall
+ movw r24, ADDR_2
+ movw r22, ADDR_0
+ clr r21
+ ldi r20, 6
+ rcall print_aligned
+ clr r25
+ ldi r24, ':'
+ call cli_putc
+ clr r25
+ ldi r24, ' '
+ call cli_putc
+ movw r24, r28
+ clr r23
+ mov r22, xREADLEN
+ call cli_hexdump2
+ ldi TMP, DUMP_WIDTH
+ sub TMP, xREADLEN
+ tst TMP
+ breq 5f
+4:
+ clr r25
+ ldi r24, ' '
+ call cli_putc
+ clr r25
+ ldi r24, ' '
+ call cli_putc
+ clr r25
+ ldi r24, ' '
+ call cli_putc
+ dec TMP
+ brne 4b
+5:
+ clr r25
+ ldi r24, '\t'
+ call cli_putc
+ movw r24, r28
+ clr r23
+ mov r22, xREADLEN
+ rcall dump_chars
+ add ADDR_0, xREADLEN
+ adc ADDR_1, r1
+ adc ADDR_2, r1
+ adc ADDR_3, r1
+ sub SIZE_0, xREADLEN
+ sbc SIZE_1, r1
+ sbc SIZE_2, r1
+ sbc SIZE_3, r1
+ clr r25
+ ldi r24, '\r'
+ call cli_putc
+ clr r25
+ ldi r24, '\n'
+ call cli_putc
+ rjmp 1b
+90:
+ stack_free 2+DUMP_WIDTH
+
+ pop_range 28,29
+ pop_range 4, 17
+ ret
+
+dumping:
+.asciz "\r\ndumping "
+bytesof:
+.asciz " bytes of "
+beginning:
+.asciz ", beginnig at 0x"
+suffix:
+.asciz ":\r\n"
+.byte 0
+
+/******************************************************************************/
+/* void pgm_read_block(void* buffer, uint32_t addr, uint8_t length)
+ * param buffer: r24:r25
+ * param addr: r20:r23
+ * param length: r18
+ */
+.global pgm_read_block
+pgm_read_block:
+#if RAMEND<0x10000
+ movw r26, r24
+ movw r30, r20
+ tst r18
+ breq 3f
+1:
+ lpm r20, Z+
+ st X+, r20
+ dec r18
+ brne 1b
+3:
+ ret
+#else
+ movw r26, r24
+ movw r30, r20
+ out RAMPZ, r22
+ tst r18
+ breq 3f
+1:
+ elpm r20, Z+
+ st X+, r20
+ dec r18
+ brne 1b
+3:
+ ret
+
+#endif
+
+/******************************************************************************/
+/* void ram_read_block(void* buffer, uint32_t addr, uint8_t length)
+ * param buffer: r24:r25
+ * param addr: r20:r23
+ * param length: r18
+ */
+.global ram_read_block
+ram_read_block:
+ movw r26, r24
+ movw r30, r20
+ tst r18
+ breq 3f
+1:
+ ld r20, Z+
+ st X+, r20
+ dec r18
+ brne 1b
+3:
+ ret
+
+/******************************************************************************/
+/* void ee_read_block(void* buffer, uint32_t addr, uint8_t length)
+ * param buffer: r24:r25
+ * param addr: r20:r23
+ * param length: r18
+ */
+.global ee_read_block
+ee_read_block:
+ movw r26, r24
+ movw r30, r20
+ tst r18
+ breq 3f
+1:
+ sbic _SFR_IO_ADDR(EECR), EEPE
+ rjmp 1b
+ out _SFR_IO_ADDR(EEARH), r31
+ out _SFR_IO_ADDR(EEARL), r30
+ sbi _SFR_IO_ADDR(EECR), EERE
+ adiw r30, 1
+ in r20, _SFR_IO_ADDR(EEDR)
+ st X+, r20
+ dec r18
+ brne 1b
+3:
+ ret
projects / avr-crypto-lib.git / blobdiff