adding missing file

This commit is contained in:
bg 2008-09-01 23:02:31 +00:00
parent 3a571bf2d5
commit 8fcf3f56d6
2 changed files with 96 additions and 11 deletions

90
avr-asm-macros.S Normal file
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@ -0,0 +1,90 @@
/* avr-asm-macros.S */
/*
This file is part of the Crypto-avr-lib/microcrypt-lib.
Copyright (C) 2008 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/>.
*/
/*
* File: avr-asm-macros.S
* Author: Daniel Otte
* Date: 2008-08-13
* License: GPLv3 or later
* Description: some macros which are quite usefull
*
*/
#include <avr/io.h>
/*******************************************************************************
* MACRO SECTION *
*******************************************************************************/
.macro push_ p1:req, p2:vararg
push \p1
.ifnb \p2
push_ \p2
.endif
.endm
.macro pop_ p1:req, p2:vararg
pop \p1
.ifnb \p2
pop_ \p2
.endif
.endm
.macro push_range from:req, to:req
push \from
.if \to-\from
push_range "(\from+1)",\to
.endif
.endm
.macro pop_range from:req, to:req
pop \to
.if \to-\from
pop_range \from,"(\to-1)"
.endif
.endm
.macro stack_alloc size:req, reg1=r30, reg2=r31
in r0, _SFR_IO_ADDR(SREG)
in \reg1, _SFR_IO_ADDR(SPL)
in \reg2, _SFR_IO_ADDR(SPH)
sbiw \reg1, \size
cli
out _SFR_IO_ADDR(SPH), \reg2
out _SFR_IO_ADDR(SPL), \reg1
out _SFR_IO_ADDR(SREG), r0
.endm
.macro stack_free size:req, reg1=r30, reg2=r31
in r0, _SFR_IO_ADDR(SREG)
in \reg1, _SFR_IO_ADDR(SPL)
in \reg2, _SFR_IO_ADDR(SPH)
adiw \reg1, \size
cli
out _SFR_IO_ADDR(SPH), \reg2
out _SFR_IO_ADDR(SPL), \reg1
out _SFR_IO_ADDR(SREG), r0
.endm
/*******************************************************************************
* END of MACRO SECTION *
*******************************************************************************/

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@ -75,18 +75,13 @@ void cli_auto_help_P(PGM_P dbzstr){
#endif
int16_t execcommand_d0_P(const char* str, PGM_P v, void(*fpt[])(void) ){
uint8_t i=0;
PGM_P commands=v;
while(pgm_read_byte(v)){
if(!strcmp_P(str, v)){
(fpt[i])();
return i;
}
while(pgm_read_byte(v++)) /* go to the next string */
;
++i;
int16_t i=0;
i=findstring_d0_P(str, v);
if(i!=-1){
if(fpt[i])
fpt[i]();
}
cli_auto_help_P(commands);
cli_auto_help_P(v);
return -1;
}