X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;ds=sidebyside;f=avr-asm-macros.S;h=63f9303519f69172b1b180dbcff2f471b8081978;hb=f26c4e0df2415993c0c85229cbab83f393526342;hp=57007accffe5d57d7fa0a375020839a56511b2dd;hpb=17332291e15183d71d88ed868275e3cb53917180;p=avr-crypto-lib.git
diff --git a/avr-asm-macros.S b/avr-asm-macros.S
index 57007ac..63f9303 100644
--- a/avr-asm-macros.S
+++ b/avr-asm-macros.S
@@ -1,6 +1,6 @@
/* avr-asm-macros.S */
/*
- This file is part of the This file is part of the AVR-Crypto-Lib.
+ This file is part of the AVR-Crypto-Lib.
Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
@@ -17,15 +17,15 @@
along with this program. If not, see .
*/
-/*
+/*
* File: avr-asm-macros.S
* Author: Daniel Otte
* Date: 2008-08-13
* License: GPLv3 or later
* Description: some macros which are quite usefull
- *
+ *
*/
-
+
#include
/*******************************************************************************
@@ -34,14 +34,14 @@
.macro push_ p1:req, p2:vararg
push \p1
-.ifnb \p2
+.ifnb \p2
push_ \p2
.endif
.endm
.macro pop_ p1:req, p2:vararg
pop \p1
-.ifnb \p2
+.ifnb \p2
pop_ \p2
.endif
.endm
@@ -50,13 +50,13 @@
push \from
.if \to-\from
push_range "(\from+1)",\to
-.endif
+.endif
.endm
.macro pop_range from:req, to:req
pop \to
.if \to-\from
- pop_range \from,"(\to-1)"
+ pop_range \from,"(\to-1)"
.endif
.endm
@@ -64,7 +64,7 @@
in r0, _SFR_IO_ADDR(SREG)
in \reg1, _SFR_IO_ADDR(SPL)
in \reg2, _SFR_IO_ADDR(SPH)
- sbiw \reg1, \size
+ sbiw \reg1, \size
cli
out _SFR_IO_ADDR(SPH), \reg2
out _SFR_IO_ADDR(SREG), r0
@@ -75,7 +75,7 @@
in r0, _SFR_IO_ADDR(SREG)
in \reg1, _SFR_IO_ADDR(SPL)
in \reg2, _SFR_IO_ADDR(SPH)
- adiw \reg1, \size
+ adiw \reg1, \size
cli
out _SFR_IO_ADDR(SPH), \reg2
out _SFR_IO_ADDR(SREG), r0
@@ -88,7 +88,7 @@
in \reg1, _SFR_IO_ADDR(SPL)
in \reg2, _SFR_IO_ADDR(SPH)
subi \reg1, lo8(\size)
- sbci \reg2, hi8(\size)
+ sbci \reg2, hi8(\size)
cli
out _SFR_IO_ADDR(SPH), \reg2
out _SFR_IO_ADDR(SREG), r0
@@ -100,7 +100,7 @@
in \reg1, _SFR_IO_ADDR(SPL)
in \reg2, _SFR_IO_ADDR(SPH)
adiw \reg1, 63
- adiw \reg1, (\size-63)
+ adiw \reg1, (\size-63)
cli
out _SFR_IO_ADDR(SPH), \reg2
out _SFR_IO_ADDR(SREG), r0
@@ -113,7 +113,25 @@
in \reg2, _SFR_IO_ADDR(SPH)
adiw \reg1, 63
adiw \reg1, 63
- adiw \reg1, (\size-63*2)
+ adiw \reg1, (\size-63*2)
+ cli
+ out _SFR_IO_ADDR(SPH), \reg2
+ out _SFR_IO_ADDR(SREG), r0
+ out _SFR_IO_ADDR(SPL), \reg1
+.endm
+
+.macro stack_free_large3 size:req, reg1=r30, reg2=r31
+ in r0, _SFR_IO_ADDR(SREG)
+ in \reg1, _SFR_IO_ADDR(SPL)
+ in \reg2, _SFR_IO_ADDR(SPH)
+ push r16
+ push r17
+ ldi r16, lo8(\size)
+ ldi r17, hi8(\size)
+ add \reg1, r16
+ adc \reg2, r17
+ pop r17
+ pop r16
cli
out _SFR_IO_ADDR(SPH), \reg2
out _SFR_IO_ADDR(SREG), r0