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Change "//" to "/* */" comment. Removed unreferred functions.

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This commit is contained in:
Takashi Kojo
2015-11-12 15:31:58 +09:00
parent 866b1517d3
commit 302fd05edd
1 changed files with 28 additions and 43 deletions
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71
wolfcrypt/src/port/pic32/pic32mz-hash.c
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@@ -72,7 +72,7 @@ static void reset_engine(pic32mz_desc *desc, int algo)
uc_desc->bd[i].NXTPTR = KVA_TO_PA(&uc_desc->bd[0]); uc_desc->bd[i].NXTPTR = KVA_TO_PA(&uc_desc->bd[0]);
XMEMSET((void *)&dataBuffer[i], 0, PIC32_BLOCK_SIZE); XMEMSET((void *)&dataBuffer[i], 0, PIC32_BLOCK_SIZE);
} }
uc_desc->bd[0].BD_CTRL.SA_FETCH_EN = 1; // Fetch the security association on the first BD uc_desc->bd[0].BD_CTRL.SA_FETCH_EN = 1; /* Fetch the security association on the first BD */
desc->dbPtr = 0; desc->dbPtr = 0;
desc->currBd = 0; desc->currBd = 0;
desc->msgSize = 0; desc->msgSize = 0;
@@ -86,49 +86,45 @@ static void reset_engine(pic32mz_desc *desc, int algo)
#define PIC32MZ_IF_RAM(addr) (KVA_TO_PA(addr) < 0x80000) #define PIC32MZ_IF_RAM(addr) (KVA_TO_PA(addr) < 0x80000)
static void update_data_size(pic32mz_desc *desc, word32 msgSize) static void update_engine(pic32mz_desc *desc, const byte *input, word32 len,
{
desc->msgSize = msgSize;
}
static void update_engine(pic32mz_desc *desc, const char *input, word32 len,
word32 *hash) word32 *hash)
{ {
int total ; int total ;
pic32mz_desc *uc_desc = KVA0_TO_KVA1(desc); pic32mz_desc *uc_desc = KVA0_TO_KVA1(desc);
uc_desc->bd[desc->currBd].UPDPTR = KVA_TO_PA(hash); uc_desc->bd[desc->currBd].UPDPTR = KVA_TO_PA(hash);
// Add the data to the current buffer. If the buffer fills, start processing it /* Add the data to the current buffer. If the buffer fills, start processing it
// and fill the next one. and fill the next one. */
while (len) while (len)
{ {
// If the engine is processing the current BD, spin. /* If the engine is processing the current BD, spin.
// if (uc_desc->bd[desc->currBd].BD_CTRL.DESC_EN) if (uc_desc->bd[desc->currBd].BD_CTRL.DESC_EN)
// continue; continue; */
if (desc->msgSize) if (desc->msgSize)
{ {
// If we've been given the message size, we can process along the /* If we've been given the message size, we can process along the
// way. way.
// Enable the current buffer descriptor if it is full. Enable the current buffer descriptor if it is full. */
if (desc->dbPtr >= PIC32_BLOCK_SIZE) if (desc->dbPtr >= PIC32_BLOCK_SIZE)
{ {
// Wrap up the buffer descriptor and enable it so the engine can process /* Wrap up the buffer descriptor and enable it so the engine can process */
uc_desc->bd[desc->currBd].MSGLEN = desc->msgSize; uc_desc->bd[desc->currBd].MSGLEN = desc->msgSize;
uc_desc->bd[desc->currBd].BD_CTRL.BUFLEN = desc->dbPtr; uc_desc->bd[desc->currBd].BD_CTRL.BUFLEN = desc->dbPtr;
uc_desc->bd[desc->currBd].BD_CTRL.LAST_BD = 0; uc_desc->bd[desc->currBd].BD_CTRL.LAST_BD = 0;
uc_desc->bd[desc->currBd].BD_CTRL.LIFM = 0; uc_desc->bd[desc->currBd].BD_CTRL.LIFM = 0;
//SYS_DEVCON_DataCacheClean((word32)desc, sizeof(pic32mz_desc)); /* SYS_DEVCON_DataCacheClean((word32)desc, sizeof(pic32mz_desc)); */
uc_desc->bd[desc->currBd].BD_CTRL.DESC_EN = 1; uc_desc->bd[desc->currBd].BD_CTRL.DESC_EN = 1;
// Move to the next buffer descriptor, or wrap around. /* Move to the next buffer descriptor, or wrap around. */
desc->currBd++; desc->currBd++;
if (desc->currBd >= PIC32MZ_MAX_BD) if (desc->currBd >= PIC32MZ_MAX_BD)
desc->currBd = 0; desc->currBd = 0;
// Wait until the engine has processed the new BD. /* Wait until the engine has processed the new BD. */
while (uc_desc->bd[desc->currBd].BD_CTRL.DESC_EN); while (uc_desc->bd[desc->currBd].BD_CTRL.DESC_EN);
uc_desc->bd[desc->currBd].UPDPTR = KVA_TO_PA(hash); uc_desc->bd[desc->currBd].UPDPTR = KVA_TO_PA(hash);
desc->dbPtr = 0; desc->dbPtr = 0;
} }
if (!PIC32MZ_IF_RAM(input)) // If we're inputting from flash, let the BD have the address and max the buffer size if (!PIC32MZ_IF_RAM(input)) /* If we're inputting from flash, let the BD have
the address and max the buffer size */
{ {
uc_desc->bd[desc->currBd].SRCADDR = KVA_TO_PA(input); uc_desc->bd[desc->currBd].SRCADDR = KVA_TO_PA(input);
total = (len > PIC32MZ_MAX_BLOCK ? PIC32MZ_MAX_BLOCK : len); total = (len > PIC32MZ_MAX_BLOCK ? PIC32MZ_MAX_BLOCK : len);
@@ -140,7 +136,7 @@ static void update_engine(pic32mz_desc *desc, const char *input, word32 len,
{ {
if (len > PIC32_BLOCK_SIZE - desc->dbPtr) if (len > PIC32_BLOCK_SIZE - desc->dbPtr)
{ {
// We have more data than can be put in the buffer. Fill what we can. /* We have more data than can be put in the buffer. Fill what we can.*/
total = PIC32_BLOCK_SIZE - desc->dbPtr; total = PIC32_BLOCK_SIZE - desc->dbPtr;
XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, total); XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, total);
len -= total; len -= total;
@@ -149,7 +145,7 @@ static void update_engine(pic32mz_desc *desc, const char *input, word32 len,
} }
else else
{ {
// Fill up what we have, but don't turn on the engine. /* Fill up what we have, but don't turn on the engine.*/
XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, len); XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, len);
desc->dbPtr += len; desc->dbPtr += len;
len = 0; len = 0;
@@ -158,13 +154,13 @@ static void update_engine(pic32mz_desc *desc, const char *input, word32 len,
} }
else else
{ {
// We have to buffer everything and keep track of how much has been /* We have to buffer everything and keep track of how much has been
// added in order to get a total size. If the buffer fills, we move added in order to get a total size. If the buffer fills, we move
// to the next one. If we try to add more when the last buffer is to the next one. If we try to add more when the last buffer is
// full, we error out. full, we error out. */
if (desc->dbPtr == PIC32_BLOCK_SIZE) if (desc->dbPtr == PIC32_BLOCK_SIZE)
{ {
// We filled the last BD buffer, so move on to the next one /* We filled the last BD buffer, so move on to the next one */
uc_desc->bd[desc->currBd].BD_CTRL.LAST_BD = 0; uc_desc->bd[desc->currBd].BD_CTRL.LAST_BD = 0;
uc_desc->bd[desc->currBd].BD_CTRL.LIFM = 0; uc_desc->bd[desc->currBd].BD_CTRL.LIFM = 0;
uc_desc->bd[desc->currBd].BD_CTRL.BUFLEN = PIC32_BLOCK_SIZE; uc_desc->bd[desc->currBd].BD_CTRL.BUFLEN = PIC32_BLOCK_SIZE;
@@ -178,7 +174,7 @@ static void update_engine(pic32mz_desc *desc, const char *input, word32 len,
} }
if (len > PIC32_BLOCK_SIZE - desc->dbPtr) if (len > PIC32_BLOCK_SIZE - desc->dbPtr)
{ {
// We have more data than can be put in the buffer. Fill what we can. /* We have more data than can be put in the buffer. Fill what we can. */
total = PIC32_BLOCK_SIZE - desc->dbPtr; total = PIC32_BLOCK_SIZE - desc->dbPtr;
XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, total); XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, total);
len -= total; len -= total;
@@ -188,7 +184,7 @@ static void update_engine(pic32mz_desc *desc, const char *input, word32 len,
} }
else else
{ {
// Fill up what we have /* Fill up what we have */
XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, len); XMEMCPY(&dataBuffer[desc->currBd][desc->dbPtr], input, len);
desc->dbPtr += len; desc->dbPtr += len;
desc->processed += len; desc->processed += len;
@@ -199,7 +195,7 @@ static void update_engine(pic32mz_desc *desc, const char *input, word32 len,
} }
static void start_engine(pic32mz_desc *desc) { static void start_engine(pic32mz_desc *desc) {
// Wrap up the last buffer descriptor and enable it /* Wrap up the last buffer descriptor and enable it */
int i ; int i ;
int bufferLen ; int bufferLen ;
pic32mz_desc *uc_desc = KVA0_TO_KVA1(desc); pic32mz_desc *uc_desc = KVA0_TO_KVA1(desc);
@@ -212,8 +208,8 @@ static void start_engine(pic32mz_desc *desc) {
uc_desc->bd[desc->currBd].BD_CTRL.LIFM = 1; uc_desc->bd[desc->currBd].BD_CTRL.LIFM = 1;
if (desc->msgSize == 0) if (desc->msgSize == 0)
{ {
// We were not given the size, so now we have to go through every BD /* We were not given the size, so now we have to go through every BD
// and give it what will be processed, and enable them. and give it what will be processed, and enable them. */
for (i = desc->currBd; i >= 0; i--) for (i = desc->currBd; i >= 0; i--)
{ {
uc_desc->bd[i].MSGLEN = desc->processed; uc_desc->bd[i].MSGLEN = desc->processed;
@@ -251,17 +247,6 @@ void wait_engine(pic32mz_desc *desc, char *hash, int hash_sz) {
} }
} }
static int fillBuff(char *buff, int *bufflen, const char *data, int len, int blocksz)
{
int room, copysz ;
room = blocksz - *bufflen ;
copysz = (len <= room) ? len : room ;
XMEMCPY(buff, data, copysz) ;
*bufflen += copysz ;
return (*bufflen == blocksz) ? 1 : 0 ;
}
#endif #endif
#ifndef NO_MD5 #ifndef NO_MD5