diff options
| author | Keith Packard <keithp@keithp.com> | 2018-08-05 12:17:19 +0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2018-10-13 08:21:58 -0700 |
| commit | 56629222711ba3ef7853405c9b07ad614fb29b95 (patch) | |
| tree | dcd25b54f45a09a60f3bb1320c66e9780771a704 /src/cc1111/ao_aes.c | |
| parent | 382b3ef62a09e580834b07faf9ed2d00e5ce1621 (diff) | |
altos: Remove cc1111 products
We're not testing these anyways; building new firmware for them is not helpful.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/cc1111/ao_aes.c')
| -rw-r--r-- | src/cc1111/ao_aes.c | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/cc1111/ao_aes.c b/src/cc1111/ao_aes.c deleted file mode 100644 index e845a928..00000000 --- a/src/cc1111/ao_aes.c +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright © 2011 Keith Packard <keithp@keithp.com> - * - * 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 2 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, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -#include "ao.h" - -#if !HAS_AES -#error Must define HAS_AES 1 -#endif - -__xdata uint8_t ao_aes_mutex; -__xdata uint8_t ao_aes_done; -__xdata uint8_t ao_aes_dma_in, ao_aes_dma_out; -__xdata uint8_t ao_aes_dma_in_done, ao_aes_dma_out_done; -__pdata enum ao_aes_mode ao_aes_current_mode; - -void -ao_aes_isr(void) __interrupt 4 -{ - S0CON = 0; - if (ENCCCS & ENCCCS_RDY) { - ao_aes_done = 1; - ao_wakeup(&ao_aes_done); - } -} - -void -ao_aes_set_mode(enum ao_aes_mode mode) -{ - ao_aes_current_mode = mode; -} - -void -ao_aes_set_key(__xdata uint8_t *in) -{ - ao_dma_set_transfer(ao_aes_dma_in, - in, - &ENCDIXADDR, - AO_AES_LEN, - DMA_CFG0_WORDSIZE_8 | - DMA_CFG0_TMODE_SINGLE | - DMA_CFG0_TRIGGER_ENC_DW, - DMA_CFG1_SRCINC_1 | - DMA_CFG1_DESTINC_0 | - DMA_CFG1_PRIORITY_LOW); - ao_dma_start(ao_aes_dma_in); - ao_aes_done = 0; - ENCCCS = ENCCCS_MODE_CBC_MAC | - ENCCCS_CMD_LOAD_KEY; - ENCCCS |= ENCCCS_START; - __critical while (!ao_aes_done) - ao_sleep(&ao_aes_done); -} - -void -ao_aes_zero_iv(void) -{ - uint8_t b; - - ENCCCS = ENCCCS_MODE_CBC_MAC | ENCCCS_CMD_LOAD_IV | ENCCCS_START; - for (b = 0; b < AO_AES_LEN; b++) - ENCDI = 0; -} - -void -ao_aes_run(__xdata uint8_t *in, - __xdata uint8_t *out) -{ - uint8_t b; - if (in) { - ao_dma_set_transfer(ao_aes_dma_in, - in, - &ENCDIXADDR, - AO_AES_LEN, - DMA_CFG0_WORDSIZE_8 | - DMA_CFG0_TMODE_SINGLE | - DMA_CFG0_TRIGGER_ENC_DW, - DMA_CFG1_SRCINC_1 | - DMA_CFG1_DESTINC_0 | - DMA_CFG1_PRIORITY_LOW); - } - if (out) { - ao_dma_set_transfer(ao_aes_dma_out, - &ENCDOXADDR, - out, - AO_AES_LEN, - DMA_CFG0_WORDSIZE_8 | - DMA_CFG0_TMODE_SINGLE | - DMA_CFG0_TRIGGER_ENC_UP, - DMA_CFG1_SRCINC_0 | - DMA_CFG1_DESTINC_1 | - DMA_CFG1_PRIORITY_LOW); - } - switch (ao_aes_current_mode) { - case ao_aes_mode_cbc_mac: - if (out) - b = (ENCCCS_MODE_CBC | - ENCCCS_CMD_ENCRYPT); - else - b = (ENCCCS_MODE_CBC_MAC | - ENCCCS_CMD_ENCRYPT); - break; - default: - return; - } - ao_aes_done = 0; - if (in) - ao_dma_start(ao_aes_dma_in); - if (out) - ao_dma_start(ao_aes_dma_out); - ENCCCS = b; - ENCCCS |= ENCCCS_START; - if (out) { - __critical while (!ao_aes_dma_out_done) - ao_sleep(&ao_aes_dma_out_done); - } else { - __critical while (!ao_aes_done) - ao_sleep(&ao_aes_done); - } -} - -void -ao_aes_init(void) -{ -#if DMA_SHARE_AES_RADIO - ao_aes_dma_in = ao_radio_dma; -#else - ao_aes_dma_in = ao_dma_alloc(&ao_aes_dma_in_done); -#endif - ao_aes_dma_out = ao_dma_alloc(&ao_aes_dma_out_done); - S0CON = 0; - ENCIE = 1; -} |
