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-rw-r--r--Makefile14
-rw-r--r--novena-eim.c708
-rw-r--r--novena-eim.h52
-rw-r--r--streebog_tester_eim.c568
4 files changed, 1342 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..efbbe3a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+all: streebog_tester_eim
+
+.c.o:
+ gcc -c -Wall -o $@ $<
+
+streebog_tester_eim: streebog_tester_eim.o novena-eim.o
+ gcc -o $@ $^
+
+streebog_tester_eim.o: streebog_tester_eim.c novena-eim.h
+
+novena-eim.o: novena-eim.c novena-eim.h
+
+clean:
+ rm -f *.o streebog_tester_eim
diff --git a/novena-eim.c b/novena-eim.c
new file mode 100644
index 0000000..85bfac0
--- /dev/null
+++ b/novena-eim.c
@@ -0,0 +1,708 @@
+/*
+ * novena-eim.c
+ * ------------
+ * This module contains the userland magic to set up and use the EIM bus.
+ *
+ *
+ * Author: Pavel Shatov
+ * Copyright (c) 2014-2015, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <sys/mman.h>
+
+#include "novena-eim.h"
+
+
+//------------------------------------------------------------------------------
+// Defines
+//------------------------------------------------------------------------------
+#define MEMORY_DEVICE "/dev/mem"
+
+#define IOMUXC_MUX_MODE_ALT0 0 // 000
+
+#define IOMUXC_PAD_CTL_SRE_FAST 1 // 1
+#define IOMUXC_PAD_CTL_DSE_33_OHM 7 // 111
+#define IOMUXC_PAD_CTL_SPEED_MEDIUM_10 2 // 10
+#define IOMUXC_PAD_CTL_ODE_DISABLED 0 // 0
+#define IOMUXC_PAD_CTL_PKE_DISABLED 0 // 0
+#define IOMUXC_PAD_CTL_PUE_PULL 1 // 1
+#define IOMUXC_PAD_CTL_PUS_100K_OHM_PU 2 // 10
+#define IOMUXC_PAD_CTL_HYS_DISABLED 0 // 0
+
+#define CCM_CGR_OFF 0 // 00
+#define CCM_CGR_ON_EXCEPT_STOP 3 // 11
+
+
+//------------------------------------------------------------------------------
+// CPU Registers
+//------------------------------------------------------------------------------
+enum IMX6DQ_REGISTER_OFFSET
+{
+ IOMUXC_SW_MUX_CTL_PAD_EIM_CS0_B = 0x020E00F8,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_OE_B = 0x020E0100,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_RW = 0x020E0104,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_LBA_B = 0x020E0108,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD00 = 0x020E0114,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD01 = 0x020E0118,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD02 = 0x020E011C,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD03 = 0x020E0120,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD04 = 0x020E0124,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD05 = 0x020E0128,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD06 = 0x020E012C,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD07 = 0x020E0130,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD08 = 0x020E0134,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD09 = 0x020E0138,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD10 = 0x020E013C,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD11 = 0x020E0140,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD12 = 0x020E0144,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD13 = 0x020E0148,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD14 = 0x020E014C,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_AD15 = 0x020E0150,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_WAIT_B = 0x020E0154,
+ IOMUXC_SW_MUX_CTL_PAD_EIM_BCLK = 0x020E0158,
+
+ IOMUXC_SW_PAD_CTL_PAD_EIM_CS0_B = 0x020E040C,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_OE_B = 0x020E0414,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_RW = 0x020E0418,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_LBA_B = 0x020E041C,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD00 = 0x020E0428,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD01 = 0x020E042C,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD02 = 0x020E0430,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD03 = 0x020E0434,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD04 = 0x020E0438,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD05 = 0x020E043C,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD06 = 0x020E0440,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD07 = 0x020E0444,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD08 = 0x020E0448,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD09 = 0x020E044C,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD10 = 0x020E0450,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD11 = 0x020E0454,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD12 = 0x020E0458,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD13 = 0x020E045C,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD14 = 0x020E0460,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_AD15 = 0x020E0464,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_WAIT_B = 0x020E0468,
+ IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK = 0x020E046C,
+
+ CCM_CCGR6 = 0x020C4080,
+
+ EIM_CS0GCR1 = 0x021B8000,
+ EIM_CS0GCR2 = 0x021B8004,
+ EIM_CS0RCR1 = 0x021B8008,
+ EIM_CS0RCR2 = 0x021B800C,
+ EIM_CS0WCR1 = 0x021B8010,
+ EIM_CS0WCR2 = 0x021B8014,
+
+ EIM_WCR = 0x021B8090,
+ EIM_WIAR = 0x021B8094,
+ EIM_EAR = 0x021B8098,
+};
+
+
+//------------------------------------------------------------------------------
+// Structures
+//------------------------------------------------------------------------------
+struct IOMUXC_SW_MUX_CTL_PAD_EIM
+{
+ unsigned int mux_mode : 3;
+ unsigned int reserved_3 : 1;
+ unsigned int sion : 1;
+ unsigned int reserved_31_5 : 27;
+};
+
+struct IOMUXC_SW_PAD_CTL_PAD_EIM
+{
+ unsigned int sre : 1;
+ unsigned int reserved_2_1 : 2;
+ unsigned int dse : 3;
+ unsigned int speed : 2;
+ unsigned int reserved_10_8 : 3;
+ unsigned int ode : 1;
+ unsigned int pke : 1;
+ unsigned int pue : 1;
+ unsigned int pus : 2;
+ unsigned int hys : 1;
+ unsigned int reserved_31_17 : 15;
+};
+
+struct CCM_CCGR6
+{
+ unsigned int cg0_usboh3 : 2;
+ unsigned int cg1_usdhc1 : 2;
+ unsigned int cg2_usdhc2 : 2;
+ unsigned int cg3_usdhc3 : 2;
+
+ unsigned int cg3_usdhc4 : 2;
+ unsigned int cg5_eim_slow : 2;
+ unsigned int cg6_vdoaxiclk : 2;
+ unsigned int cg7_vpu : 2;
+
+ unsigned int cg8_reserved : 2;
+ unsigned int cg9_reserved : 2;
+ unsigned int cg10_reserved : 2;
+ unsigned int cg11_reserved : 2;
+
+ unsigned int cg12_reserved : 2;
+ unsigned int cg13_reserved : 2;
+ unsigned int cg14_reserved : 2;
+ unsigned int cg15_reserved : 2;
+};
+
+struct EIM_CS_GCR1
+{
+ unsigned int csen : 1;
+ unsigned int swr : 1;
+ unsigned int srd : 1;
+ unsigned int mum : 1;
+ unsigned int wfl : 1;
+ unsigned int rfl : 1;
+ unsigned int cre : 1;
+ unsigned int crep : 1;
+ unsigned int bl : 3;
+ unsigned int wc : 1;
+ unsigned int bcd : 2;
+ unsigned int bcs : 2;
+ unsigned int dsz : 3;
+ unsigned int sp : 1;
+ unsigned int csrec : 3;
+ unsigned int aus : 1;
+ unsigned int gbc : 3;
+ unsigned int wp : 1;
+ unsigned int psz : 4;
+};
+
+struct EIM_CS_GCR2
+{
+ unsigned int adh : 2;
+ unsigned int reserved_3_2 : 2;
+ unsigned int daps : 4;
+ unsigned int dae : 1;
+ unsigned int dap : 1;
+ unsigned int reserved_11_10 : 2;
+ unsigned int mux16_byp_grant : 1;
+ unsigned int reserved_31_13 : 19;
+};
+
+struct EIM_CS_RCR1
+{
+ unsigned int rcsn : 3;
+ unsigned int reserved_3 : 1;
+ unsigned int rcsa : 3;
+ unsigned int reserved_7 : 1;
+ unsigned int oen : 3;
+ unsigned int reserved_11 : 1;
+ unsigned int oea : 3;
+ unsigned int reserved_15 : 1;
+ unsigned int radvn : 3;
+ unsigned int ral : 1;
+ unsigned int radva : 3;
+ unsigned int reserved_23 : 1;
+ unsigned int rwsc : 6;
+ unsigned int reserved_31_30 : 2;
+};
+
+struct EIM_CS_RCR2
+{
+ unsigned int rben : 3;
+ unsigned int rbe : 1;
+ unsigned int rbea : 3;
+ unsigned int reserved_7 : 1;
+ unsigned int rl : 2;
+ unsigned int reserved_11_10 : 2;
+ unsigned int pat : 3;
+ unsigned int apr : 1;
+ unsigned int reserved_31_16 : 16;
+};
+
+struct EIM_CS_WCR1
+{
+ unsigned int wcsn : 3;
+ unsigned int wcsa : 3;
+ unsigned int wen : 3;
+ unsigned int wea : 3;
+ unsigned int wben : 3;
+ unsigned int wbea : 3;
+ unsigned int wadvn : 3;
+ unsigned int wadva : 3;
+ unsigned int wwsc : 6;
+ unsigned int wbed : 1;
+ unsigned int wal : 1;
+};
+
+struct EIM_CS_WCR2
+{
+ unsigned int wbcdd : 1;
+ unsigned int reserved_31_1 : 31;
+};
+
+struct EIM_WCR
+{
+ unsigned int bcm : 1;
+ unsigned int gbcd : 2;
+ unsigned int reserved_3 : 1;
+ unsigned int inten : 1;
+ unsigned int intpol : 1;
+ unsigned int reserved_7_6 : 2;
+ unsigned int wdog_en : 1;
+ unsigned int wdog_limit : 2;
+ unsigned int reserved_31_11 : 21;
+};
+
+struct EIM_WIAR
+{
+ unsigned int ips_req : 1;
+ unsigned int ips_ack : 1;
+ unsigned int irq : 1;
+ unsigned int errst : 1;
+ unsigned int aclk_en : 1;
+ unsigned int reserved_31_5 : 27;
+};
+
+struct EIM_EAR
+{
+ unsigned int error_addr : 32;
+};
+
+
+//------------------------------------------------------------------------------
+// Variables
+//------------------------------------------------------------------------------
+static long mem_page_size = 0;
+static int mem_dev_fd = -1;
+static void * mem_map_ptr = MAP_FAILED;
+static off_t mem_base_addr = 0;
+
+
+//------------------------------------------------------------------------------
+// Prototypes
+//------------------------------------------------------------------------------
+static void _eim_setup_iomuxc (void);
+static void _eim_setup_ccm (void);
+static void _eim_setup_eim (void);
+static void _eim_cleanup (void);
+static off_t _eim_calc_offset (off_t);
+static void _eim_remap_mem (off_t);
+
+
+//------------------------------------------------------------------------------
+// Set up EIM bus. Returns 0 on success, -1 on failure.
+//------------------------------------------------------------------------------
+int eim_setup(void)
+{
+ // register cleanup function
+ if (atexit(_eim_cleanup) != 0) {
+ fprintf(stderr, "ERROR: atexit() failed.\n");
+ return -1;
+ }
+
+ // determine memory page size to use in mmap()
+ mem_page_size = sysconf(_SC_PAGESIZE);
+ if (mem_page_size < 1) {
+ fprintf(stderr, "ERROR: sysconf(_SC_PAGESIZE) == %ld\n", mem_page_size);
+ return -1;
+ }
+
+ // try to open memory device
+ mem_dev_fd = open(MEMORY_DEVICE, O_RDWR | O_SYNC);
+ if (mem_dev_fd == -1) {
+ fprintf(stderr, "ERROR: open(%s) failed.\n", MEMORY_DEVICE);
+ return -1;
+ }
+
+ // configure IOMUXC
+ _eim_setup_iomuxc();
+
+ // configure Clock Controller Module
+ _eim_setup_ccm();
+
+ /* We need to properly configure EIM mode and all the corresponding parameters.
+ * That's a lot of code, let's do it now.
+ */
+ _eim_setup_eim();
+
+ // done
+ return 0;
+}
+
+
+//------------------------------------------------------------------------------
+// Shut down EIM bus. This is called automatically on exit().
+//------------------------------------------------------------------------------
+static void _eim_cleanup(void)
+{
+ // unmap memory if needed
+ if (mem_map_ptr != MAP_FAILED)
+ if (munmap(mem_map_ptr, mem_page_size) != 0)
+ fprintf(stderr, "WARNING: munmap() failed.\n");
+
+ // close memory device if needed
+ if (mem_dev_fd != -1)
+ if (close(mem_dev_fd) != 0)
+ fprintf(stderr, "WARNING: close() failed.\n");
+}
+
+
+//------------------------------------------------------------------------------
+// Several blocks in the CPU have common pins. We use the I/O MUX Controller
+// to configure what block will actually use I/O pins. We wait for the EIM
+// module to be able to communicate with the on-board FPGA.
+//------------------------------------------------------------------------------
+static void _eim_setup_iomuxc(void)
+{
+ // create structures
+ struct IOMUXC_SW_MUX_CTL_PAD_EIM reg_mux; // mux control register
+ struct IOMUXC_SW_PAD_CTL_PAD_EIM reg_pad; // pad control register
+
+ // setup mux control register
+ reg_mux.mux_mode = IOMUXC_MUX_MODE_ALT0; // ALT0 mode must be used for EIM
+ reg_mux.sion = 0; // forced input not needed
+ reg_mux.reserved_3 = 0; // must be 0
+ reg_mux.reserved_31_5 = 0; // must be 0
+
+ // setup pad control register
+ reg_pad.sre = IOMUXC_PAD_CTL_SRE_FAST; // fast slew rate
+ reg_pad.dse = IOMUXC_PAD_CTL_DSE_33_OHM; // highest drive strength
+ reg_pad.speed = IOMUXC_PAD_CTL_SPEED_MEDIUM_10; // medium speed
+ reg_pad.ode = IOMUXC_PAD_CTL_ODE_DISABLED; // open drain not needed
+ reg_pad.pke = IOMUXC_PAD_CTL_PKE_DISABLED; // neither pull nor keeper are needed
+ reg_pad.pue = IOMUXC_PAD_CTL_PUE_PULL; // doesn't matter actually, because PKE is disabled
+ reg_pad.pus = IOMUXC_PAD_CTL_PUS_100K_OHM_PU; // doesn't matter actually, because PKE is disabled
+ reg_pad.hys = IOMUXC_PAD_CTL_HYS_DISABLED; // use CMOS, not Schmitt trigger input
+ reg_pad.reserved_2_1 = 0; // must be 0
+ reg_pad.reserved_10_8 = 0; // must be 0
+ reg_pad.reserved_31_17 = 0; // must be 0
+
+ // all the pins must be configured to use the same ALT0 mode
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_CS0_B, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_OE_B, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_RW, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_LBA_B, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD00, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD01, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD02, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD03, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD04, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD05, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD06, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD07, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD08, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD09, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD10, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD11, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD12, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD13, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD14, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_AD15, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_WAIT_B, (uint32_t *)&reg_mux);
+ eim_write_32(IOMUXC_SW_MUX_CTL_PAD_EIM_BCLK, (uint32_t *)&reg_mux);
+
+ // we need to configure all the I/O pads too
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_CS0_B, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_OE_B, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_RW, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_LBA_B, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD00, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD01, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD02, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD03, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD04, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD05, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD06, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD07, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD08, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD09, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD10, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD11, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD12, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD13, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD14, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_AD15, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_WAIT_B, (uint32_t *)&reg_pad);
+ eim_write_32(IOMUXC_SW_PAD_CTL_PAD_EIM_BCLK, (uint32_t *)&reg_pad);
+}
+
+
+//------------------------------------------------------------------------------
+// Configure Clock Controller Module to enable clocking of EIM block.
+//------------------------------------------------------------------------------
+static void _eim_setup_ccm(void)
+{
+ // create structure
+ struct CCM_CCGR6 ccm_ccgr6;
+
+ // read register
+ eim_read_32(CCM_CCGR6, (uint32_t *)&ccm_ccgr6);
+
+ // modify register
+ ccm_ccgr6.cg0_usboh3 = CCM_CGR_ON_EXCEPT_STOP;
+ ccm_ccgr6.cg1_usdhc1 = CCM_CGR_OFF;
+ ccm_ccgr6.cg2_usdhc2 = CCM_CGR_ON_EXCEPT_STOP;
+ ccm_ccgr6.cg3_usdhc3 = CCM_CGR_ON_EXCEPT_STOP;
+
+ ccm_ccgr6.cg3_usdhc4 = CCM_CGR_OFF;
+ ccm_ccgr6.cg5_eim_slow = CCM_CGR_ON_EXCEPT_STOP;
+ ccm_ccgr6.cg6_vdoaxiclk = CCM_CGR_OFF;
+ ccm_ccgr6.cg7_vpu = CCM_CGR_OFF;
+
+ ccm_ccgr6.cg8_reserved = 0;
+ ccm_ccgr6.cg9_reserved = 0;
+ ccm_ccgr6.cg10_reserved = 0;
+ ccm_ccgr6.cg11_reserved = 0;
+ ccm_ccgr6.cg12_reserved = 0;
+ ccm_ccgr6.cg13_reserved = 0;
+ ccm_ccgr6.cg14_reserved = 0;
+ ccm_ccgr6.cg15_reserved = 0;
+
+ // write register
+ eim_write_32(CCM_CCGR6, (uint32_t *)&ccm_ccgr6);
+}
+
+
+//------------------------------------------------------------------------------
+// Configure EIM mode and all the corresponding parameters. That's a lot of code.
+//------------------------------------------------------------------------------
+static void _eim_setup_eim(void)
+{
+ // create structures
+ struct EIM_CS_GCR1 gcr1;
+ struct EIM_CS_GCR2 gcr2;
+ struct EIM_CS_RCR1 rcr1;
+ struct EIM_CS_RCR2 rcr2;
+ struct EIM_CS_WCR1 wcr1;
+ struct EIM_CS_WCR2 wcr2;
+
+ struct EIM_WCR wcr;
+ struct EIM_WIAR wiar;
+ struct EIM_EAR ear;
+
+ // read all the registers
+ eim_read_32(EIM_CS0GCR1, (uint32_t *)&gcr1);
+ eim_read_32(EIM_CS0GCR2, (uint32_t *)&gcr2);
+ eim_read_32(EIM_CS0RCR1, (uint32_t *)&rcr1);
+ eim_read_32(EIM_CS0RCR2, (uint32_t *)&rcr2);
+ eim_read_32(EIM_CS0WCR1, (uint32_t *)&wcr1);
+ eim_read_32(EIM_CS0WCR2, (uint32_t *)&wcr2);
+
+ eim_read_32(EIM_WCR, (uint32_t *)&wcr);
+ eim_read_32(EIM_WIAR, (uint32_t *)&wiar);
+ eim_read_32(EIM_EAR, (uint32_t *)&ear);
+
+ // manipulate registers as needed
+ gcr1.csen = 1; // chip select is enabled
+ gcr1.swr = 1; // write is sync
+ gcr1.srd = 1; // read is sync
+ gcr1.mum = 1; // address and data are multiplexed
+ gcr1.wfl = 0; // write latency is not fixed
+ gcr1.rfl = 0; // read latency is not fixed
+ gcr1.cre = 0; // CRE signal not needed
+ //gcr1.crep = x; // don't care, CRE not used
+ gcr1.bl = 4; // burst length
+ gcr1.wc = 0; // write is not continuous
+ gcr1.bcd = 3; // BCLK divisor is 3+1=4
+ gcr1.bcs = 1; // delay from ~CS to BCLK is 1 cycle
+ gcr1.dsz = 1; // 16 bits per databeat at DATA[15:0]
+ gcr1.sp = 0; // supervisor protection is disabled
+ gcr1.csrec = 1; // ~CS recovery is 1 cycle
+ gcr1.aus = 1; // address is not shifted
+ gcr1.gbc = 1; // ~CS gap is 1 cycle
+ gcr1.wp = 0; // write protection is not enabled
+ //gcr1.psz = x; // don't care, page mode is not used
+
+ gcr2.adh = 0; // address hold duration is 1 cycle
+ //gcr2.daps = x; // don't care, DTACK is not used
+ gcr2.dae = 0; // DTACK is not used
+ //gcr2.dap = x; // don't care, DTACK is not used
+ gcr2.mux16_byp_grant= 1; // enable grant mechanism
+ gcr2.reserved_3_2 = 0; // must be 0
+ gcr2.reserved_11_10 = 0; // must be 0
+ gcr2.reserved_31_13 = 0; // must be 0
+
+ //rcr1.rcsn = x; // don't care in sync mode
+ rcr1.rcsa = 0; // no delay for ~CS needed
+ //rcr1.oen = x; // don't care in sync mode
+ rcr1.oea = 0; // no delay for ~OE needed
+ rcr1.radvn = 0; // no delay for ~LBA needed
+ rcr1.ral = 0; // clear ~LBA when needed
+ rcr1.radva = 0; // no delay for ~LBA needed
+ rcr1.rwsc = 1; // one wait state
+ rcr1.reserved_3 = 0; // must be 0
+ rcr1.reserved_7 = 0; // must be 0
+ rcr1.reserved_11 = 0; // must be 0
+ rcr1.reserved_15 = 0; // must be 0
+ rcr1.reserved_23 = 0; // must be 0
+ rcr1.reserved_31_30 = 0; // must be 0
+
+ //rcr2.rben = x; // don't care in sync mode
+ rcr2.rbe = 0; // BE is disabled
+ //rcr2.rbea = x; // don't care when BE is not used
+ rcr2.rl = 0; // read latency is 0
+ //rcr2.pat = x; // don't care when page read is not used
+ rcr2.apr = 0; // page read mode is not used
+ rcr2.reserved_7 = 0; // must be 0
+ rcr2.reserved_11_10 = 0; // must be 0
+ rcr2.reserved_31_16 = 0; // must be 0
+
+ //wcr1.wcsn = x; // don't care in sync mode
+ wcr1.wcsa = 0; // no delay for ~CS needed
+ //wcr1.wen = x; // don't care in sync mode
+ wcr1.wea = 0; // no delay for ~WR_N needed
+ //wcr1.wben = x; // don't care in sync mode
+ //wcr1.wbea = x; // don't care in sync mode
+ wcr1.wadvn = 0; // no delay for ~LBA needed
+ wcr1.wadva = 0; // no delay for ~LBA needed
+ wcr1.wwsc = 1; // no wait state in needed
+ wcr1.wbed = 1; // BE is disabled
+ wcr1.wal = 0; // clear ~LBA when needed
+
+ wcr2.wbcdd = 0; // write clock division is not needed
+ wcr2.reserved_31_1 = 0; // must be 0
+
+ wcr.bcm = 0; // clock is only active during access
+ //wcr.gbcd = x; // don't care when BCM=0
+ wcr.inten = 0; // interrupt is not used
+ //wcr.intpol = x; // don't care when interrupt is not used
+ wcr.wdog_en = 1; // watchdog is enabled
+ wcr.wdog_limit = 00; // timeout is 128 BCLK cycles
+ wcr.reserved_3 = 0; // must be 0
+ wcr.reserved_7_6 = 0; // must be 0
+ wcr.reserved_31_11 = 0; // must be 0
+
+ wiar.ips_req = 0; // IPS not needed
+ wiar.ips_ack = 0; // IPS not needed
+ //wiar.irq = x; // don't touch
+ //wiar.errst = x; // don't touch
+ wiar.aclk_en = 1; // clock is enabled
+ wiar.reserved_31_5 = 0; // must be 0
+
+ //ear.error_addr = x; // read-only
+
+ // write modified registers
+ eim_write_32(EIM_CS0GCR1, (uint32_t *)&gcr1);
+ eim_write_32(EIM_CS0GCR2, (uint32_t *)&gcr2);
+ eim_write_32(EIM_CS0RCR1, (uint32_t *)&rcr1);
+ eim_write_32(EIM_CS0RCR2, (uint32_t *)&rcr2);
+ eim_write_32(EIM_CS0WCR1, (uint32_t *)&wcr1);
+ eim_write_32(EIM_CS0WCR2, (uint32_t *)&wcr2);
+ eim_write_32(EIM_WCR, (uint32_t *)&wcr);
+ eim_write_32(EIM_WIAR, (uint32_t *)&wiar);
+/* eim_write_32(EIM_EAR, (uint32_t *)&ear);*/
+}
+
+
+//------------------------------------------------------------------------------
+// Write a 32-bit word to EIM.
+// If EIM is not set up correctly, this will abort with a bus error.
+//------------------------------------------------------------------------------
+void eim_write_32(off_t offset, uint32_t *pvalue)
+{
+ // calculate memory offset
+ uint32_t *ptr = (uint32_t *)_eim_calc_offset(offset);
+
+ // write data to memory
+ memcpy(ptr, pvalue, sizeof(uint32_t));
+}
+
+//------------------------------------------------------------------------------
+// Read a 32-bit word from EIM.
+// If EIM is not set up correctly, this will abort with a bus error.
+//------------------------------------------------------------------------------
+void eim_read_32(off_t offset, uint32_t *pvalue)
+{
+ // calculate memory offset
+ uint32_t *ptr = (uint32_t *)_eim_calc_offset(offset);
+
+ // read data from memory
+ memcpy(pvalue, ptr, sizeof(uint32_t));
+}
+
+
+//------------------------------------------------------------------------------
+// Calculate an offset into the currently-mapped EIM page.
+//------------------------------------------------------------------------------
+static off_t _eim_calc_offset(off_t offset)
+{
+ // make sure that memory is mapped
+ if (mem_map_ptr == MAP_FAILED)
+ _eim_remap_mem(offset);
+
+ // calculate starting and ending addresses of currently mapped page
+ off_t offset_low = mem_base_addr;
+ off_t offset_high = mem_base_addr + (mem_page_size - 1);
+
+ // check that offset is in currently mapped page, remap new page otherwise
+ if ((offset < offset_low) || (offset > offset_high))
+ _eim_remap_mem(offset);
+
+ // calculate pointer
+ return (off_t)mem_map_ptr + (offset - mem_base_addr);
+}
+
+
+//------------------------------------------------------------------------------
+// Map in a new EIM page.
+//------------------------------------------------------------------------------
+static void _eim_remap_mem(off_t offset)
+{
+ // unmap old memory page if needed
+ if (mem_map_ptr != MAP_FAILED) {
+ if (munmap(mem_map_ptr, mem_page_size) != 0) {
+ fprintf(stderr, "ERROR: munmap() failed.\n");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ // calculate starting address of new page
+ while (offset % mem_page_size)
+ offset--;
+
+ // try to map new memory page
+ mem_map_ptr = mmap(NULL, mem_page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ mem_dev_fd, offset);
+ if (mem_map_ptr == MAP_FAILED) {
+ fprintf(stderr, "ERROR: mmap() failed.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ // save last mapped page address
+ mem_base_addr = offset;
+}
+
+
+//------------------------------------------------------------------------------
+// End-of-File
+//------------------------------------------------------------------------------
diff --git a/novena-eim.h b/novena-eim.h
new file mode 100644
index 0000000..75613bf
--- /dev/null
+++ b/novena-eim.h
@@ -0,0 +1,52 @@
+/*
+ * novena-eim.h
+ * ------------
+ * This module contains the userland magic to set up and use the EIM bus.
+ *
+ *
+ * Author: Pavel Shatov
+ * Copyright (c) 2014-2015, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ * be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define EIM_BASE_ADDR 0x08000000
+
+/* Set up EIM bus.
+ * Returns 0 on success, -1 on failure.
+ */
+int eim_setup(void);
+
+/* Write a 32-bit word to EIM.
+ * If EIM is not set up correctly, this will abort with a bus error.
+ */
+void eim_write_32(off_t, uint32_t *);
+
+/* Read a 32-bit word from EIM.
+ * If EIM is not set up correctly, this will abort with a bus error.
+ */
+void eim_read_32(off_t, uint32_t *);
diff --git a/streebog_tester_eim.c b/streebog_tester_eim.c
new file mode 100644
index 0000000..eceb6cd
--- /dev/null
+++ b/streebog_tester_eim.c
@@ -0,0 +1,568 @@
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/ioctl.h>
+#include <arpa/inet.h>
+#include <ctype.h>
+#include <signal.h>
+
+#include "novena-eim.h"
+
+int debug = 0;
+int quiet = 0;
+int repeat = 0;
+
+#define SEGMENT_OFFSET_GLOBALS EIM_BASE_ADDR + 0x000000
+#define SEGMENT_OFFSET_HASHES EIM_BASE_ADDR + 0x010000
+#define SEGMENT_OFFSET_RNGS EIM_BASE_ADDR + 0x020000
+#define SEGMENT_OFFSET_CIPHERS EIM_BASE_ADDR + 0x030000
+
+/* addresses and codes common to all cores */
+#define ADDR_NAME0 (0x00 << 2)
+#define ADDR_NAME1 (0x01 << 2)
+#define ADDR_VERSION (0x02 << 2)
+
+/* addresses and codes common to all hash cores */
+#define ADDR_CTRL (0x08 << 2)
+#define CTRL_INIT_CMD 1
+#define CTRL_NEXT_CMD 2
+#define ADDR_STATUS (0x09 << 2)
+#define STATUS_READY_BIT 1
+#define STATUS_VALID_BIT 2
+#define ADDR_BLOCK (0x10 << 2)
+#define ADDR_DIGEST (0x20 << 2)
+#define HASH_CORE_SIZE (0x100 << 2)
+
+/* addresses and codes for the specific hash cores */
+#define STREEBOG_ADDR_BASE SEGMENT_OFFSET_HASHES + (3*HASH_CORE_SIZE)
+#define STREEBOG_ADDR_NAME0 STREEBOG_ADDR_BASE + ADDR_NAME0
+#define STREEBOG_ADDR_NAME1 STREEBOG_ADDR_BASE + ADDR_NAME1
+#define STREEBOG_ADDR_VERSION STREEBOG_ADDR_BASE + ADDR_VERSION
+#define STREEBOG_ADDR_CTRL STREEBOG_ADDR_BASE + ADDR_CTRL
+#define STREEBOG_ADDR_STATUS STREEBOG_ADDR_BASE + ADDR_STATUS
+#define STREEBOG_ADDR_BLOCK_BITS STREEBOG_ADDR_BASE + (0x0a << 2)
+#define STREEBOG_ADDR_MODE STREEBOG_ADDR_BASE + (0x0b << 2)
+#define STREEBOG_ADDR_BLOCK STREEBOG_ADDR_BASE + ADDR_BLOCK
+#define STREEBOG_ADDR_DIGEST STREEBOG_ADDR_BASE + ADDR_DIGEST
+#define CTRL_FINAL_CMD 4
+#define STREEBOG_MODE_512 0
+#define STREEBOG_MODE_256 1
+#define STREEBOG_BLOCK_LEN 512 / 8
+#define STREEBOG_DIGEST_LEN_512 512 / 8
+#define STREEBOG_DIGEST_LEN_256 256 / 8
+
+
+const uint8_t GOST_SINGLE[] =
+{ 0x01, 0x32, 0x31, 0x30, 0x39, 0x38, 0x37, 0x36,
+ 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x39, 0x38,
+ 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30,
+ 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32,
+ 0x31, 0x30, 0x39, 0x38, 0x37, 0x36, 0x35, 0x34,
+ 0x33, 0x32, 0x31, 0x30, 0x39, 0x38, 0x37, 0x36,
+ 0x35, 0x34, 0x33, 0x32, 0x31, 0x30, 0x39, 0x38,
+ 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30 };
+
+const uint8_t GOST_DOUBLE_FIRST[] =
+{ 0xfb, 0xea, 0xfa, 0xeb, 0xef, 0x20, 0xff, 0xfb,
+ 0xf0, 0xe1, 0xe0, 0xf0, 0xf5, 0x20, 0xe0, 0xed,
+ 0x20, 0xe8, 0xec, 0xe0, 0xeb, 0xe5, 0xf0, 0xf2,
+ 0xf1, 0x20, 0xff, 0xf0, 0xee, 0xec, 0x20, 0xf1,
+ 0x20, 0xfa, 0xf2, 0xfe, 0xe5, 0xe2, 0x20, 0x2c,
+ 0xe8, 0xf6, 0xf3, 0xed, 0xe2, 0x20, 0xe8, 0xe6,
+ 0xee, 0xe1, 0xe8, 0xf0, 0xf2, 0xd1, 0x20, 0x2c,
+ 0xe8, 0xf0, 0xf2, 0xe5, 0xe2, 0x20, 0xe5, 0xd1 };
+
+const uint8_t GOST_DOUBLE_SECOND[] =
+{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ 0xfb, 0xe2, 0xe5, 0xf0, 0xee, 0xe3, 0xc8, 0x20 };
+
+const uint32_t GOST_SINGLE_LENGTH = 504;
+
+const uint32_t GOST_DOUBLE_LENGTH_FIRST = 512;
+const uint32_t GOST_DOUBLE_LENGTH_SECOND = 64;
+
+const uint8_t GOST_SINGLE_DIGEST_512[] =
+{ 0x48, 0x6f, 0x64, 0xc1, 0x91, 0x78, 0x79, 0x41,
+ 0x7f, 0xef, 0x08, 0x2b, 0x33, 0x81, 0xa4, 0xe2,
+ 0x11, 0xc3, 0x24, 0xf0, 0x74, 0x65, 0x4c, 0x38,
+ 0x82, 0x3a, 0x7b, 0x76, 0xf8, 0x30, 0xad, 0x00,
+ 0xfa, 0x1f, 0xba, 0xe4, 0x2b, 0x12, 0x85, 0xc0,
+ 0x35, 0x2f, 0x22, 0x75, 0x24, 0xbc, 0x9a, 0xb1,
+ 0x62, 0x54, 0x28, 0x8d, 0xd6, 0x86, 0x3d, 0xcc,
+ 0xd5, 0xb9, 0xf5, 0x4a, 0x1a, 0xd0, 0x54, 0x1b };
+
+const uint8_t GOST_SINGLE_DIGEST_256[] =
+{ 0x00, 0x55, 0x7b, 0xe5, 0xe5, 0x84, 0xfd, 0x52,
+ 0xa4, 0x49, 0xb1, 0x6b, 0x02, 0x51, 0xd0, 0x5d,
+ 0x27, 0xf9, 0x4a, 0xb7, 0x6c, 0xba, 0xa6, 0xda,
+ 0x89, 0x0b, 0x59, 0xd8, 0xef, 0x1e, 0x15, 0x9d };
+
+const uint8_t GOST_DOUBLE_DIGEST_512[] =
+{ 0x28, 0xfb, 0xc9, 0xba, 0xda, 0x03, 0x3b, 0x14,
+ 0x60, 0x64, 0x2b, 0xdc, 0xdd, 0xb9, 0x0c, 0x3f,
+ 0xb3, 0xe5, 0x6c, 0x49, 0x7c, 0xcd, 0x0f, 0x62,
+ 0xb8, 0xa2, 0xad, 0x49, 0x35, 0xe8, 0x5f, 0x03,
+ 0x76, 0x13, 0x96, 0x6d, 0xe4, 0xee, 0x00, 0x53,
+ 0x1a, 0xe6, 0x0f, 0x3b, 0x5a, 0x47, 0xf8, 0xda,
+ 0xe0, 0x69, 0x15, 0xd5, 0xf2, 0xf1, 0x94, 0x99,
+ 0x6f, 0xca, 0xbf, 0x26, 0x22, 0xe6, 0x88, 0x1e };
+
+const uint8_t GOST_DOUBLE_DIGEST_256[] =
+{ 0x50, 0x8f, 0x7e, 0x55, 0x3c, 0x06, 0x50, 0x1d,
+ 0x74, 0x9a, 0x66, 0xfc, 0x28, 0xc6, 0xca, 0xc0,
+ 0xb0, 0x05, 0x74, 0x6d, 0x97, 0x53, 0x7f, 0xa8,
+ 0x5d, 0x9e, 0x40, 0x90, 0x4e, 0xfe, 0xd2, 0x9d };
+
+
+/* ---------------- test-case low-level code ---------------- */
+
+void dump(char *label, const uint8_t *buf, int len)
+{
+ if (debug) {
+ int i;
+ printf("%s [", label);
+ for (i = 0; i < len; ++i)
+ printf(" %02x", buf[i]);
+ printf(" ]\n");
+ }
+}
+
+int tc_write(off_t offset, const uint8_t *buf, int len)
+{
+ dump("write ", buf, len);
+
+ for (; len > 0; offset += 4, buf += 4, len -= 4) {
+ uint32_t val;
+ val = htonl(*(uint32_t *)buf);
+ eim_write_32(offset, &val);
+ }
+
+ return 0;
+}
+
+int tc_read(off_t offset, uint8_t *buf, int len)
+{
+ uint8_t *rbuf = buf;
+ int rlen = len;
+
+ for (; rlen > 0; offset += 4, rbuf += 4, rlen -= 4) {
+ uint32_t val;
+ eim_read_32(offset, &val);
+ *(uint32_t *)rbuf = ntohl(val);
+ }
+
+ dump("read ", buf, len);
+
+ return 0;
+}
+
+int tc_expected(off_t offset, const uint8_t *expected, int len)
+{
+ uint8_t *buf;
+ int i;
+
+ buf = malloc(len);
+ if (buf == NULL) {
+ perror("malloc");
+ return 1;
+ }
+ dump("expect", expected, len);
+
+ if (tc_read(offset, buf, len) != 0)
+ goto errout;
+
+ for (i = 0; i < len; ++i)
+ if (buf[i] != expected[i]) {
+ fprintf(stderr, "response byte %d: expected 0x%02x, got 0x%02x\n",
+ i, expected[i], buf[i]);
+ goto errout;
+ }
+
+ free(buf);
+ return 0;
+errout:
+ free(buf);
+ return 1;
+}
+
+int tc_block_bits(off_t offset, uint32_t bits)
+{
+ uint8_t buf[4] = {0, 0, (uint8_t)(bits >> 8), (uint8_t)bits};
+ return tc_write(offset, buf, 4);
+}
+
+int tc_mode(off_t offset, char mode)
+{
+ uint8_t buf[4] = { 0, 0, 0, mode };
+
+ return tc_write(offset, buf, 4);
+}
+
+int tc_init(off_t offset)
+{
+ uint8_t buf[4] = { 0, 0, 0, CTRL_INIT_CMD };
+
+ return tc_write(offset, buf, 4);
+}
+
+int tc_next(off_t offset)
+{
+ uint8_t buf_clear[4] = { 0, 0, 0, 0 };
+ uint8_t buf_next[4] = { 0, 0, 0, CTRL_NEXT_CMD };
+
+ tc_write(offset, buf_clear, 4);
+
+ return tc_write(offset, buf_next, 4);
+}
+
+int tc_final(off_t offset)
+{
+ uint8_t buf[4] = { 0, 0, 0, CTRL_FINAL_CMD };
+
+ return tc_write(offset, buf, 4);
+}
+
+int tc_wait(off_t offset, uint8_t status)
+{
+ uint8_t buf[4];
+
+#if 0
+ do {
+ if (tc_read(offset, buf, 4) != 0)
+ return 1;
+ } while (!(buf[3] & status));
+
+ return 0;
+#else
+ int i;
+ for (i = 0; i < 100; ++i) {
+ if (tc_read(offset, buf, 4) != 0)
+ return 1;
+ if (buf[3] & status)
+ return 0;
+ }
+ fprintf(stderr, "tc_wait timed out\n");
+ return 1;
+#endif
+}
+
+int tc_wait_ready(off_t offset)
+{
+ return tc_wait(offset, STATUS_READY_BIT);
+}
+
+int tc_wait_valid(off_t offset)
+{
+ return tc_wait(offset, STATUS_VALID_BIT);
+}
+
+
+/* ---------------- Streebog test cases ---------------- */
+
+/* TC0: Read name and version from Streebog core. */
+int TC0(void)
+{
+ uint8_t name0[4] = { 's', 't', 'r', 'e'};
+ uint8_t name1[4] = { 'e', 'b', 'o', 'g'};
+ uint8_t version[4] = { '0', '.', '1', '0'};
+
+ if (!quiet)
+ printf("TC0: Reading name and version words from Streebog core.\n");
+
+ return
+ tc_expected(STREEBOG_ADDR_NAME0, name0, 4) ||
+ tc_expected(STREEBOG_ADDR_NAME1, name1, 4) ||
+ tc_expected(STREEBOG_ADDR_VERSION, version, 4);
+}
+
+/* TC1: Streebog single block message for 512-bit hash mode. */
+int TC1(void)
+{
+ const uint8_t *block = GOST_SINGLE;
+ const uint8_t *expected = GOST_SINGLE_DIGEST_512;
+ int ret;
+
+ if (!quiet)
+ printf("TC1: Short (single block) message test for Streebog (512-bit mode).\n");
+
+ /* Enable 512-bit mode. */
+ tc_mode(STREEBOG_ADDR_MODE, STREEBOG_MODE_512);
+ /* Start initial block hashing. */
+ tc_init(STREEBOG_ADDR_CTRL);
+
+ /* Write block to Streebog. */
+ tc_write(STREEBOG_ADDR_BLOCK, block, STREEBOG_BLOCK_LEN);
+ /* Write block length to Streebog. */
+ tc_block_bits(STREEBOG_ADDR_BLOCK_BITS, GOST_SINGLE_LENGTH);
+ /* Process block. */
+ tc_next(STREEBOG_ADDR_CTRL);
+ /* Wait for block to be processed. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ /* Perform final transformation. */
+ tc_final(STREEBOG_ADDR_CTRL);
+ /* Wait for hash to be produces. */
+ tc_wait_valid(STREEBOG_ADDR_STATUS);
+ /* Extract the digest. */
+ ret = tc_expected(STREEBOG_ADDR_DIGEST, expected, STREEBOG_DIGEST_LEN_512);
+
+ /* Make sure that core is idle. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ return ret;
+}
+
+/* TC2: Streebog double block message for 512-bit hash mode. */
+int TC2(void)
+{
+ const uint8_t *block1 = GOST_DOUBLE_FIRST;
+ const uint8_t *block2 = GOST_DOUBLE_SECOND;
+ const uint8_t *expected = GOST_DOUBLE_DIGEST_512;
+ int ret;
+
+ if (!quiet)
+ printf("TC2: Long (double block) message test for Streebog (512-bit mode).\n");
+
+ /* Enable 512-bit mode. */
+ tc_mode(STREEBOG_ADDR_MODE, STREEBOG_MODE_512);
+ /* Start initial block hashing. */
+ tc_init(STREEBOG_ADDR_CTRL);
+
+ /* Write block to Streebog. */
+ tc_write(STREEBOG_ADDR_BLOCK, block1, STREEBOG_BLOCK_LEN);
+ /* Write block length to Streebog. */
+ tc_block_bits(STREEBOG_ADDR_BLOCK_BITS, GOST_DOUBLE_LENGTH_FIRST);
+ /* Process block. */
+ tc_next(STREEBOG_ADDR_CTRL);
+ /* Wait for block to be processed. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ /* Write block to Streebog. */
+ tc_write(STREEBOG_ADDR_BLOCK, block2, STREEBOG_BLOCK_LEN);
+ /* Write block length to Streebog. */
+ tc_block_bits(STREEBOG_ADDR_BLOCK_BITS, GOST_DOUBLE_LENGTH_SECOND);
+ /* Process block. */
+ tc_next(STREEBOG_ADDR_CTRL);
+ /* Wait for block to be processed. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ /* Perform final transformation. */
+ tc_final(STREEBOG_ADDR_CTRL);
+ /* Wait for hash to be produces. */
+ tc_wait_valid(STREEBOG_ADDR_STATUS);
+ /* Extract the digest. */
+ ret = tc_expected(STREEBOG_ADDR_DIGEST, expected, STREEBOG_DIGEST_LEN_512);
+
+ /* Make sure that core is idle. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ return ret;
+}
+
+
+/* TC3: Streebog single block message for 256-bit hash mode. */
+int TC3(void)
+{
+ const uint8_t *block = GOST_SINGLE;
+ const uint8_t *expected = GOST_SINGLE_DIGEST_256;
+ int ret;
+
+ if (!quiet)
+ printf("TC3: Short (single block) message test for Streebog (256-bit mode).\n");
+
+ /* Enable 512-bit mode. */
+ tc_mode(STREEBOG_ADDR_MODE, STREEBOG_MODE_256);
+ /* Start initial block hashing. */
+ tc_init(STREEBOG_ADDR_CTRL);
+
+ /* Write block to Streebog. */
+ tc_write(STREEBOG_ADDR_BLOCK, block, STREEBOG_BLOCK_LEN);
+ /* Write block length to Streebog. */
+ tc_block_bits(STREEBOG_ADDR_BLOCK_BITS, GOST_SINGLE_LENGTH);
+ /* Process block. */
+ tc_next(STREEBOG_ADDR_CTRL);
+ /* Wait for block to be processed. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ /* Perform final transformation. */
+ tc_final(STREEBOG_ADDR_CTRL);
+ /* Wait for hash to be produces. */
+ tc_wait_valid(STREEBOG_ADDR_STATUS);
+ /* Extract the digest. */
+ ret = tc_expected(STREEBOG_ADDR_DIGEST, expected, STREEBOG_DIGEST_LEN_256);
+
+ /* Make sure that core is idle. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ return ret;
+}
+
+
+/* TC4: Streebog double block message for 256-bit hash mode. */
+int TC4(void)
+{
+ const uint8_t *block1 = GOST_DOUBLE_FIRST;
+ const uint8_t *block2 = GOST_DOUBLE_SECOND;
+ const uint8_t *expected = GOST_DOUBLE_DIGEST_256;
+ int ret;
+
+ if (!quiet)
+ printf("TC4: Long (double block) message test for Streebog (256-bit mode).\n");
+
+ /* Enable 512-bit mode. */
+ tc_mode(STREEBOG_ADDR_MODE, STREEBOG_MODE_256);
+ /* Start initial block hashing. */
+ tc_init(STREEBOG_ADDR_CTRL);
+
+ /* Write block to Streebog. */
+ tc_write(STREEBOG_ADDR_BLOCK, block1, STREEBOG_BLOCK_LEN);
+ /* Write block length to Streebog. */
+ tc_block_bits(STREEBOG_ADDR_BLOCK_BITS, GOST_DOUBLE_LENGTH_FIRST);
+ /* Process block. */
+ tc_next(STREEBOG_ADDR_CTRL);
+ /* Wait for block to be processed. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ /* Write block to Streebog. */
+ tc_write(STREEBOG_ADDR_BLOCK, block2, STREEBOG_BLOCK_LEN);
+ /* Write block length to Streebog. */
+ tc_block_bits(STREEBOG_ADDR_BLOCK_BITS, GOST_DOUBLE_LENGTH_SECOND);
+ /* Process block. */
+ tc_next(STREEBOG_ADDR_CTRL);
+ /* Wait for block to be processed. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ /* Perform final transformation. */
+ tc_final(STREEBOG_ADDR_CTRL);
+ /* Wait for hash to be produces. */
+ tc_wait_valid(STREEBOG_ADDR_STATUS);
+ /* Extract the digest. */
+ ret = tc_expected(STREEBOG_ADDR_DIGEST, expected, STREEBOG_DIGEST_LEN_256);
+
+ /* Make sure that core is idle. */
+ tc_wait_ready(STREEBOG_ADDR_STATUS);
+
+ return ret;
+}
+
+/* ---------------- main ---------------- */
+
+/* signal handler for ctrl-c to end repeat testing */
+unsigned long iter = 0;
+struct timeval tv_start, tv_end;
+void sighandler(int unused)
+{
+ double tv_diff;
+
+ gettimeofday(&tv_end, NULL);
+ tv_diff = (double)(tv_end.tv_sec - tv_start.tv_sec) +
+ (double)(tv_end.tv_usec - tv_start.tv_usec)/1000000;
+ printf("\n%lu iterations in %.3f seconds (%.3f iterations/sec)\n",
+ iter, tv_diff, (double)iter/tv_diff);
+ exit(EXIT_SUCCESS);
+}
+
+int main(int argc, char *argv[])
+{
+ typedef int (*tcfp)(void);
+ tcfp all_tests[] = { TC0, TC1, TC2, TC3, TC4 };
+
+ char *usage = "Usage: %s [-h] [-d] [-q] [-r] tc...\n";
+ int i, j, opt;
+
+ while ((opt = getopt(argc, argv, "h?dqr")) != -1) {
+ switch (opt) {
+ case 'h':
+ case '?':
+ printf(usage, argv[0]);
+ return EXIT_SUCCESS;
+ case 'd':
+ debug = 1;
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ case 'r':
+ repeat = 1;
+ break;
+ default:
+ fprintf(stderr, usage, argv[0]);
+ return EXIT_FAILURE;
+ }
+ }
+
+ /* set up EIM */
+ if (eim_setup() != 0) {
+ fprintf(stderr, "EIM setup failed\n");
+ return EXIT_FAILURE;
+ }
+
+ /* repeat one test until interrupted */
+ if (repeat) {
+ tcfp tc;
+ if (optind != argc - 1) {
+ fprintf(stderr, "only one test case can be repeated\n");
+ return EXIT_FAILURE;
+ }
+ j = atoi(argv[optind]);
+ if (j < 0 || j >= sizeof(all_tests)/sizeof(all_tests[0])) {
+ fprintf(stderr, "invalid test number %s\n", argv[optind]);
+ return EXIT_FAILURE;
+ }
+ tc = (all_tests[j]);
+ srand(time(NULL));
+ signal(SIGINT, sighandler);
+ gettimeofday(&tv_start, NULL);
+ while (1) {
+ ++iter;
+ if ((iter & 0xffff) == 0) {
+ printf(".");
+ fflush(stdout);
+ }
+ if (tc() != 0)
+ sighandler(0);
+ }
+ return EXIT_SUCCESS; /*NOTREACHED*/
+ }
+
+ /* no args == run all tests */
+ if (optind >= argc) {
+ for (j = 0; j < sizeof(all_tests)/sizeof(all_tests[0]); ++j)
+ if (all_tests[j]() != 0)
+ return EXIT_FAILURE;
+ return EXIT_SUCCESS;
+ }
+
+ /* run one or more tests (by number) or groups of tests (by name) */
+ for (i = optind; i < argc; ++i) {
+ if (strcmp(argv[i], "all") == 0) {
+ for (j = 0; j < sizeof(all_tests)/sizeof(all_tests[0]); ++j)
+ if (all_tests[j]() != 0)
+ return EXIT_FAILURE;
+ }
+ else if (isdigit(argv[i][0]) &&
+ (((j = atoi(argv[i])) >= 0) &&
+ (j < sizeof(all_tests)/sizeof(all_tests[0])))) {
+ if (all_tests[j]() != 0)
+ return EXIT_FAILURE;
+ }
+ else {
+ fprintf(stderr, "unknown test case %s\n", argv[i]);
+ return EXIT_FAILURE;
+ }
+ }
+
+ return EXIT_SUCCESS;
+}