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sw_services:xilsecure_v1_0: resolved AES and RSA failures

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DMA interrupt clearing after each transfer in AES
resolved RSA failure due to incorrect data type

Signed-off-by: Bhavik Ameta <bameta@xilinx.com>
This commit is contained in:
Bhavik Ameta 2015-05-05 19:45:30 +05:30 • committed by Nava kishore Manne
parent d7d271eb97
commit ec8a0b20f7
2 changed files with 19 additions and 1 deletions
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18
lib/sw_services/xilsecure/src/xsecure_aes.c
View file

@ -363,6 +363,10 @@ static u32 XSecure_AesDecryptBlk(XSecure_Aes *InstancePtr, u8 *Dst,
XCsuDma_WaitForDone(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL);
/* Acknowledge the transfer has completed */
XCsuDma_IntrClear(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL,
XCSUDMA_IXR_DONE_MASK);
/* Enable CSU DMA Src channel for byte swapping.*/
XCsuDma_Configure ConfigurValues = {0};
@ -396,6 +400,12 @@ static u32 XSecure_AesDecryptBlk(XSecure_Aes *InstancePtr, u8 *Dst,
/* Wait for the Dst DMA completion. */
XCsuDma_WaitForDone(InstancePtr->CsuDmaPtr, XCSUDMA_DST_CHANNEL);
/* Acknowledge the transfers has completed */
XCsuDma_IntrClear(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL,
XCSUDMA_IXR_DONE_MASK);
XCsuDma_IntrClear(InstancePtr->CsuDmaPtr, XCSUDMA_DST_CHANNEL,
XCSUDMA_IXR_DONE_MASK);
/* Disble CSU DMA Dst channel for byte swapping. */
XCsuDma_GetConfig(InstancePtr->CsuDmaPtr, XCSUDMA_DST_CHANNEL,
@ -435,6 +445,10 @@ static u32 XSecure_AesDecryptBlk(XSecure_Aes *InstancePtr, u8 *Dst,
/* Wait for the Src DMA completion. */
XCsuDma_WaitForDone(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL);
/* Acknowledge the transfer has completed */
XCsuDma_IntrClear(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL,
XCSUDMA_IXR_DONE_MASK);
/* Restore Key write register to 0. */
XSecure_WriteReg(InstancePtr->BaseAddress,
XSECURE_CSU_AES_KUP_WR_OFFSET, 0x0);
@ -446,6 +460,10 @@ static u32 XSecure_AesDecryptBlk(XSecure_Aes *InstancePtr, u8 *Dst,
/* Wait for the Src DMA completion. */
XCsuDma_WaitForDone(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL);
/* Acknowledge the transfer has completed */
XCsuDma_IntrClear(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL,
XCSUDMA_IXR_DONE_MASK);
/* Disable CSU DMA Src channel for byte swapping. */
XCsuDma_GetConfig(InstancePtr->CsuDmaPtr, XCSUDMA_SRC_CHANNEL,

2
lib/sw_services/xilsecure/src/xsecure_rsa.c
View file

@ -215,7 +215,7 @@ static void XSecure_RsaGetData(XSecure_Rsa *InstancePtr, u32 *RdData)
u32 Index = 0U;
u32 DataOffset = 0U;
u32 TmpIndex = 0;
s32 TmpIndex = 0;
/* Each of this loop will write 192 bits of data */
for (DataOffset = 0U; DataOffset < 22U; DataOffset++)