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Add const qualifier where appropriate.

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This commit is contained in:
Ken MacKay
2015-04-25 15:42:19 -07:00
parent c5749e621b
commit dd195a17ac
3 changed files with 78 additions and 78 deletions
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asm_avr.inc
+13 -13
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@@ -89,7 +89,7 @@ static void vli_rshift1(uint8_t *p_vli)
#define asm_rshift1 1
/* Computes p_result = p_left + p_right, returning carry. Can modify in place. */
static uint8_t vli_add(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static uint8_t vli_add(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
uint8_t l_carry = 0;
uint8_t l_left;
@@ -121,7 +121,7 @@ static uint8_t vli_add(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#define asm_add 1
/* Computes p_result = p_left - p_right, returning borrow. Can modify in place. */
static uint8_t vli_sub(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static uint8_t vli_sub(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
uint8_t l_borrow = 0;
uint8_t l_left;
@@ -154,7 +154,7 @@ static uint8_t vli_sub(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#if (uECC_BYTES == 20)
__attribute((noinline))
static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static void vli_mult(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
__asm__ volatile (
"adiw r30, 10 \n\t"
@@ -2069,7 +2069,7 @@ static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#define asm_mult 1
#elif (uECC_BYTES == 24)
__attribute((noinline))
static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static void vli_mult(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
__asm__ volatile (
"adiw r30, 20 \n\t"
@@ -4852,7 +4852,7 @@ static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#define asm_mult 1
#elif (uECC_BYTES == 32)
__attribute((noinline))
static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static void vli_mult(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
__asm__ volatile (
"adiw r30, 30 \n\t"
@@ -9781,7 +9781,7 @@ static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#if uECC_SQUARE_FUNC
#if (uECC_BYTES == 20)
static void vli_square(uint8_t *p_result, uint8_t *p_left)
static void vli_square(uint8_t *p_result, const uint8_t *p_left)
{
__asm__ volatile (
"ld r2, x+ \n\t"
@@ -10948,7 +10948,7 @@ static void vli_square(uint8_t *p_result, uint8_t *p_left)
#elif (uECC_BYTES == 24)
__attribute((noinline))
static void vli_square(uint8_t *p_result, uint8_t *p_left)
static void vli_square(uint8_t *p_result, const uint8_t *p_left)
{
__asm__ volatile (
"ldi r25, 0 \n\t"
@@ -12607,7 +12607,7 @@ static void vli_square(uint8_t *p_result, uint8_t *p_left)
#elif (uECC_BYTES == 32)
__attribute((noinline))
static void vli_square(uint8_t *p_result, uint8_t *p_left)
static void vli_square(uint8_t *p_result, const uint8_t *p_left)
{
__asm__ volatile (
"ldi r25, 0 \n\t"
@@ -15442,7 +15442,7 @@ static void vli_square(uint8_t *p_result, uint8_t *p_left)
#endif /* uECC_BYTES == xx */
#endif /* uECC_SQUARE_FUNC */
static void vli_modSub_fast(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static void vli_modSub_fast(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
uint8_t t1, t2;
__asm__ volatile (
@@ -16024,7 +16024,7 @@ static void vli_rshift1(uint8_t *p_vli)
#endif
#if !asm_add
static uint8_t vli_add(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static uint8_t vli_add(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
uint8_t i = uECC_BYTES;
uint8_t l_carry = 0;
@@ -16057,7 +16057,7 @@ static uint8_t vli_add(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#endif
#if !asm_sub
static uint8_t vli_sub(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static uint8_t vli_sub(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
uint8_t i = uECC_BYTES;
uint8_t l_borrow = 0;
@@ -16091,7 +16091,7 @@ static uint8_t vli_sub(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#if !asm_mult
__attribute((noinline))
static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
static void vli_mult(uint8_t *p_result, const uint8_t *p_left, const uint8_t *p_right)
{
uint8_t r0 = 0;
uint8_t r1 = 0;
@@ -16188,7 +16188,7 @@ static void vli_mult(uint8_t *p_result, uint8_t *p_left, uint8_t *p_right)
#if uECC_SQUARE_FUNC
#if !asm_square
static void vli_square(uint8_t *p_result, uint8_t *p_left)
static void vli_square(uint8_t *p_result, const uint8_t *p_left)
{
uint8_t r0 = 0;
uint8_t r1 = 0;