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authorPaul Selkirk <paul@psgd.org>2015-04-28 17:59:39 -0400
committerPaul Selkirk <paul@psgd.org>2015-04-28 17:59:39 -0400
commiteba69a11db55cbb6f09c3103f05247ce7b029df2 (patch)
tree6c3f33723b9b2532ec1b7222742b6c49810d6b0a /sw
parent07e3a0f3c71134fe9ce4f375cf7a6fd9ad297f45 (diff)
parentd07c710e9a82c46e20bc8262308117edf7a0ca11 (diff)
Merge branch 'unimap' to 'master'.
Diffstat (limited to 'sw')
-rwxr-xr-xsw/Makefile44
-rwxr-xr-xsw/Makefile.i2c44
-rw-r--r--sw/cryptech.h298
-rw-r--r--sw/hash.c291
-rw-r--r--sw/hash_tester.c668
-rw-r--r--sw/novena-eim.c708
-rw-r--r--sw/novena-eim.h53
-rw-r--r--sw/tc_eim.c208
-rw-r--r--sw/tc_i2c.c335
-rw-r--r--sw/trng_extractor.c188
-rw-r--r--sw/trng_tester.c367
11 files changed, 3204 insertions, 0 deletions
diff --git a/sw/Makefile b/sw/Makefile
new file mode 100755
index 0000000..0dbd61a
--- /dev/null
+++ b/sw/Makefile
@@ -0,0 +1,44 @@
+CC = gcc
+CFLAGS = -Wall -fPIC
+
+LIB = libcryptech.a
+BIN = hash hash_tester trng_extractor trng_tester
+INC = cryptech.h
+
+PREFIX = /usr/local
+LIB_DIR = $(PREFIX)/lib
+BIN_DIR = $(PREFIX)/bin
+INC_DIR = $(PREFIX)/include
+
+all: $(LIB) $(BIN)
+
+%.o: %.c $(INC)
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+libcryptech.a: tc_eim.o novena-eim.o
+ ar rcs $@ $^
+
+hash_tester: hash_tester.o $(LIB)
+ $(CC) -o $@ $^
+
+trng_tester: trng_tester.o $(LIB)
+ $(CC) -o $@ $^
+
+hash: hash.o $(LIB)
+ $(CC) -o $@ $^
+
+trng_extractor: trng_extractor.o $(LIB)
+ $(CC) -o $@ $^
+
+install: $(LIB) $(BIN) $(INC)
+ install $(LIB) $(LIB_DIR)
+ install $(BIN) $(BIN_DIR)
+ install $(INC) $(INC_DIR)
+
+uninstall:
+ rm -f $(LIB_DIR)/$(LIB)
+ rm -f $(foreach bin,$(BIN),$(BIN_DIR)/$(bin))
+ rm -f $(INC_DIR)/$(INC)
+
+clean:
+ rm -f *.o $(LIB) $(BIN)
diff --git a/sw/Makefile.i2c b/sw/Makefile.i2c
new file mode 100755
index 0000000..98cd541
--- /dev/null
+++ b/sw/Makefile.i2c
@@ -0,0 +1,44 @@
+CC = gcc
+CFLAGS = -Wall -fPIC
+
+LIB = libcryptech_i2c.a
+BIN = hash_i2c hash_tester_i2c trng_extractor_i2c trng_tester_i2c
+INC = cryptech.h
+
+PREFIX = /usr/local
+LIB_DIR = $(PREFIX)/lib
+BIN_DIR = $(PREFIX)/bin
+INC_DIR = $(PREFIX)/include
+
+all: $(LIB) $(BIN)
+
+%.o: %.c $(INC)
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+libcryptech_i2c.a: tc_i2c.o
+ ar rcs $@ $^
+
+hash_tester_i2c: hash_tester.o $(LIB)
+ $(CC) -o $@ $^
+
+trng_tester_i2c: trng_tester.o $(LIB)
+ $(CC) -o $@ $^
+
+hash_i2c: hash.o $(LIB)
+ $(CC) -o $@ $^
+
+trng_extractor_i2c: trng_extractor.o $(LIB)
+ $(CC) -o $@ $^
+
+install: $(LIB) $(BIN) $(INC)
+ install $(LIB) $(LIB_DIR)
+ install $(BIN) $(BIN_DIR)
+ install $(INC) $(INC_DIR)
+
+uninstall:
+ rm -f $(LIB_DIR)/$(LIB)
+ rm -f $(foreach bin,$(BIN),$(BIN_DIR)/$(bin))
+ rm -f $(INC_DIR)/$(INC)
+
+clean:
+ rm -f *.o $(LIB) $(BIN)
diff --git a/sw/cryptech.h b/sw/cryptech.h
new file mode 100644
index 0000000..5afd08c
--- /dev/null
+++ b/sw/cryptech.h
@@ -0,0 +1,298 @@
+//======================================================================
+//
+// cryptech.h
+// ----------
+// Memory map and access functions for Cryptech cores.
+//
+//
+// Authors: Joachim Strombergson, Paul Selkirk
+// Copyright (c) 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.
+//
+//======================================================================
+
+
+// Segments.
+#define SEGMENT_SIZE 0x2000
+#define SEGMENT_OFFSET_GLOBALS 0 * SEGMENT_SIZE
+#define SEGMENT_OFFSET_HASHES 1 * SEGMENT_SIZE
+#define SEGMENT_OFFSET_RNGS 2 * SEGMENT_SIZE
+#define SEGMENT_OFFSET_CIPHERS 3 * SEGMENT_SIZE
+#define SEGMENT_OFFSET_MATH 4 * SEGMENT_SIZE
+
+
+// addresses and codes common to all cores
+#define ADDR_NAME0 0x00
+#define ADDR_NAME1 0x01
+#define ADDR_VERSION 0x02
+
+
+// a handy macro from cryptlib
+#ifndef bitsToBytes
+#define bitsToBytes(x) (x / 8)
+#endif
+
+
+//------------------------------------------------------------------
+// Board segment.
+// Board-level registers and communication channel registers
+//------------------------------------------------------------------
+#define BOARD_CORE_SIZE 0x100
+
+#define BOARD_ADDR_BASE SEGMENT_OFFSET_GLOBALS + (0 * BOARD_CORE_SIZE)
+#define BOARD_ADDR_NAME0 BOARD_ADDR_BASE + ADDR_NAME0
+#define BOARD_ADDR_NAME1 BOARD_ADDR_BASE + ADDR_NAME1
+#define BOARD_ADDR_VERSION BOARD_ADDR_BASE + ADDR_VERSION
+#define BOARD_ADDR_DUMMY BOARD_ADDR_BASE + 0xFF
+
+#define COMM_ADDR_BASE SEGMENT_OFFSET_GLOBALS + (1 * BOARD_CORE_SIZE)
+#define COMM_ADDR_NAME0 COMM_ADDR_BASE + ADDR_NAME0
+#define COMM_ADDR_NAME1 COMM_ADDR_BASE + ADDR_NAME1
+#define COMM_ADDR_VERSION COMM_ADDR_BASE + ADDR_VERSION
+
+#define NOVENA_BOARD_NAME0 "PVT1"
+#define NOVENA_BOARD_NAME1 " "
+#define NOVENA_BOARD_VERSION "0.10"
+
+#define EIM_INTERFACE_NAME0 "eim "
+#define EIM_INTERFACE_NAME1 " "
+#define EIM_INTERFACE_VERSION "0.10"
+
+#define I2C_INTERFACE_NAME0 "i2c "
+#define I2C_INTERFACE_NAME1 " "
+#define I2C_INTERFACE_VERSION "0.10"
+
+
+//------------------------------------------------------------------
+// Hashes segment.
+//------------------------------------------------------------------
+#define HASH_CORE_SIZE 0x100
+
+// addresses and codes common to all hash cores
+#define ADDR_CTRL 0x8
+#define CTRL_INIT_CMD 1
+#define CTRL_NEXT_CMD 2
+#define ADDR_STATUS 0x9
+#define STATUS_READY_BIT 1
+#define STATUS_VALID_BIT 2
+#define ADDR_BLOCK 0x10
+#define ADDR_DIGEST 0x20 // except SHA512
+
+// addresses and codes for the specific hash cores.
+#define SHA1_ADDR_BASE SEGMENT_OFFSET_HASHES + (0 * HASH_CORE_SIZE)
+#define SHA1_ADDR_NAME0 SHA1_ADDR_BASE + ADDR_NAME0
+#define SHA1_ADDR_NAME1 SHA1_ADDR_BASE + ADDR_NAME1
+#define SHA1_ADDR_VERSION SHA1_ADDR_BASE + ADDR_VERSION
+#define SHA1_ADDR_CTRL SHA1_ADDR_BASE + ADDR_CTRL
+#define SHA1_ADDR_STATUS SHA1_ADDR_BASE + ADDR_STATUS
+#define SHA1_ADDR_BLOCK SHA1_ADDR_BASE + ADDR_BLOCK
+#define SHA1_ADDR_DIGEST SHA1_ADDR_BASE + ADDR_DIGEST
+#define SHA1_BLOCK_LEN bitsToBytes(512)
+#define SHA1_LENGTH_LEN bitsToBytes(64)
+#define SHA1_DIGEST_LEN bitsToBytes(160)
+
+#define SHA256_ADDR_BASE SEGMENT_OFFSET_HASHES + (1 * HASH_CORE_SIZE)
+#define SHA256_ADDR_NAME0 SHA256_ADDR_BASE + ADDR_NAME0
+#define SHA256_ADDR_NAME1 SHA256_ADDR_BASE + ADDR_NAME1
+#define SHA256_ADDR_VERSION SHA256_ADDR_BASE + ADDR_VERSION
+#define SHA256_ADDR_CTRL SHA256_ADDR_BASE + ADDR_CTRL
+#define SHA256_ADDR_STATUS SHA256_ADDR_BASE + ADDR_STATUS
+#define SHA256_ADDR_BLOCK SHA256_ADDR_BASE + ADDR_BLOCK
+#define SHA256_ADDR_DIGEST SHA256_ADDR_BASE + ADDR_DIGEST
+#define SHA256_BLOCK_LEN bitsToBytes(512)
+#define SHA256_LENGTH_LEN bitsToBytes(64)
+#define SHA256_DIGEST_LEN bitsToBytes(256)
+
+#define SHA512_ADDR_BASE SEGMENT_OFFSET_HASHES + (2 * HASH_CORE_SIZE)
+#define SHA512_ADDR_NAME0 SHA512_ADDR_BASE + ADDR_NAME0
+#define SHA512_ADDR_NAME1 SHA512_ADDR_BASE + ADDR_NAME1
+#define SHA512_ADDR_VERSION SHA512_ADDR_BASE + ADDR_VERSION
+#define SHA512_ADDR_CTRL SHA512_ADDR_BASE + ADDR_CTRL
+#define SHA512_ADDR_STATUS SHA512_ADDR_BASE + ADDR_STATUS
+#define SHA512_ADDR_BLOCK SHA512_ADDR_BASE + ADDR_BLOCK
+#define SHA512_ADDR_DIGEST SHA512_ADDR_BASE + 0x40
+#define SHA512_BLOCK_LEN bitsToBytes(1024)
+#define SHA512_LENGTH_LEN bitsToBytes(128)
+#define SHA512_224_DIGEST_LEN bitsToBytes(224)
+#define SHA512_256_DIGEST_LEN bitsToBytes(256)
+#define SHA384_DIGEST_LEN bitsToBytes(384)
+#define SHA512_DIGEST_LEN bitsToBytes(512)
+#define MODE_SHA_512_224 0 << 2
+#define MODE_SHA_512_256 1 << 2
+#define MODE_SHA_384 2 << 2
+#define MODE_SHA_512 3 << 2
+
+#define SHA1_NAME0 "sha1"
+#define SHA1_NAME1 " "
+#define SHA1_VERSION "0.50"
+
+#define SHA256_NAME0 "sha2"
+#define SHA256_NAME1 "-256"
+#define SHA256_VERSION "0.80"
+
+#define SHA512_NAME0 "sha2"
+#define SHA512_NAME1 "-512"
+#define SHA512_VERSION "0.80"
+
+
+//-----------------------------------------------------------------
+// TRNG segment.
+//-----------------------------------------------------------------
+#define TRNG_CORE_SIZE 0x100
+
+// addresses and codes for the TRNG cores */
+#define TRNG_ADDR_BASE SEGMENT_OFFSET_RNGS + (0x00 * TRNG_CORE_SIZE)
+#define TRNG_ADDR_NAME0 TRNG_ADDR_BASE + ADDR_NAME0
+#define TRNG_ADDR_NAME1 TRNG_ADDR_BASE + ADDR_NAME1
+#define TRNG_ADDR_VERSION TRNG_ADDR_BASE + ADDR_VERSION
+#define TRNG_ADDR_CTRL TRNG_ADDR_BASE + 0x10
+#define TRNG_CTRL_DISCARD 1
+#define TRNG_CTRL_TEST_MODE 2
+#define TRNG_ADDR_STATUS TRNG_ADDR_BASE + 0x11
+// no status bits defined (yet)
+#define TRNG_ADDR_DELAY TRNG_ADDR_BASE + 0x13
+
+#define ENTROPY1_ADDR_BASE SEGMENT_OFFSET_RNGS + (0x05 * TRNG_CORE_SIZE)
+#define ENTROPY1_ADDR_NAME0 ENTROPY1_ADDR_BASE + ADDR_NAME0
+#define ENTROPY1_ADDR_NAME1 ENTROPY1_ADDR_BASE + ADDR_NAME1
+#define ENTROPY1_ADDR_VERSION ENTROPY1_ADDR_BASE + ADDR_VERSION
+#define ENTROPY1_ADDR_CTRL ENTROPY1_ADDR_BASE + 0x10
+#define ENTROPY1_CTRL_ENABLE 1
+#define ENTROPY1_ADDR_STATUS ENTROPY1_ADDR_BASE + 0x11
+#define ENTROPY1_STATUS_VALID 1
+#define ENTROPY1_ADDR_ENTROPY ENTROPY1_ADDR_BASE + 0x20
+#define ENTROPY1_ADDR_DELTA ENTROPY1_ADDR_BASE + 0x30
+
+#define ENTROPY2_ADDR_BASE SEGMENT_OFFSET_RNGS + (0x06 * TRNG_CORE_SIZE)
+#define ENTROPY2_ADDR_NAME0 ENTROPY2_ADDR_BASE + ADDR_NAME0
+#define ENTROPY2_ADDR_NAME1 ENTROPY2_ADDR_BASE + ADDR_NAME1
+#define ENTROPY2_ADDR_VERSION ENTROPY2_ADDR_BASE + ADDR_VERSION
+#define ENTROPY2_ADDR_CTRL ENTROPY2_ADDR_BASE + 0x10
+#define ENTROPY2_CTRL_ENABLE 1
+#define ENTROPY2_ADDR_STATUS ENTROPY2_ADDR_BASE + 0x11
+#define ENTROPY2_STATUS_VALID 1
+#define ENTROPY2_ADDR_OPA ENTROPY2_ADDR_BASE + 0x18
+#define ENTROPY2_ADDR_OPB ENTROPY2_ADDR_BASE + 0x19
+#define ENTROPY2_ADDR_ENTROPY ENTROPY2_ADDR_BASE + 0x20
+#define ENTROPY2_ADDR_RAW ENTROPY2_ADDR_BASE + 0x21
+#define ENTROPY2_ADDR_ROSC ENTROPY2_ADDR_BASE + 0x22
+
+#define MIXER_ADDR_BASE SEGMENT_OFFSET_RNGS + (0x0a * TRNG_CORE_SIZE)
+#define MIXER_ADDR_NAME0 MIXER_ADDR_BASE + ADDR_NAME0
+#define MIXER_ADDR_NAME1 MIXER_ADDR_BASE + ADDR_NAME1
+#define MIXER_ADDR_VERSION MIXER_ADDR_BASE + ADDR_VERSION
+#define MIXER_ADDR_CTRL MIXER_ADDR_BASE + 0x10
+#define MIXER_CTRL_ENABLE 1
+#define MIXER_CTRL_RESTART 2
+#define MIXER_ADDR_STATUS MIXER_ADDR_BASE + 0x11
+// no status bits defined (yet)
+#define MIXER_ADDR_TIMEOUT MIXER_ADDR_BASE + 0x20
+
+#define CSPRNG_ADDR_BASE SEGMENT_OFFSET_RNGS + (0x0b * TRNG_CORE_SIZE)
+#define CSPRNG_ADDR_NAME0 CSPRNG_ADDR_BASE + ADDR_NAME0
+#define CSPRNG_ADDR_NAME1 CSPRNG_ADDR_BASE + ADDR_NAME1
+#define CSPRNG_ADDR_VERSION CSPRNG_ADDR_BASE + ADDR_VERSION
+#define CSPRNG_ADDR_CTRL CSPRNG_ADDR_BASE + 0x10
+#define CSPRNG_CTRL_ENABLE 1
+#define CSPRNG_CTRL_SEED 2
+#define CSPRNG_ADDR_STATUS CSPRNG_ADDR_BASE + 0x11
+#define CSPRNG_STATUS_VALID 1
+#define CSPRNG_ADDR_RANDOM CSPRNG_ADDR_BASE + 0x20
+#define CSPRNG_ADDR_NROUNDS CSPRNG_ADDR_BASE + 0x40
+#define CSPRNG_ADDR_NBLOCKS_LO CSPRNG_ADDR_BASE + 0x41
+#define CSPRNG_ADDR_NBLOCKS_HI CSPRNG_ADDR_BASE + 0x42
+
+#define TRNG_NAME0 "trng"
+#define TRNG_NAME1 " "
+#define TRNG_VERSION "0.50"
+
+#define AVALANCHE_ENTROPY_NAME0 "extn"
+#define AVALANCHE_ENTROPY_NAME1 "oise"
+#define AVALANCHE_ENTROPY_VERSION "0.10"
+
+#define ROSC_ENTROPY_NAME0 "rosc"
+#define ROSC_ENTROPY_NAME1 " ent"
+#define ROSC_ENTROPY_VERSION "0.10"
+
+#define CSPRNG_NAME0 "cspr"
+#define CSPRNG_NAME1 "ng "
+#define CSPRNG_VERSION "0.50"
+
+
+// -----------------------------------------------------------------
+// MATH segment.
+// -----------------------------------------------------------------
+#define MATH_CORE_SIZE 0x100
+
+// addresses and codes for the MATH cores */
+#define MODEXP_ADDR_BASE SEGMENT_OFFSET_MATH + (0x00 * MATH_CORE_SIZE)
+#define MODEXP_ADDR_NAME0 MODEXP_ADDR_BASE + ADDR_NAME0
+#define MODEXP_ADDR_NAME1 MODEXP_ADDR_BASE + ADDR_NAME1
+#define MODEXP_ADDR_VERSION MODEXP_ADDR_BASE + ADDR_VERSION
+#define MODEXP_ADDR_CTRL MODEXP_ADDR_BASE + 0x08
+#define MODEXP_CTRL_INIT 1
+#define MODEXP_CTRL_NEXT 2
+#define MODEXP_ADDR_STATUS MODEXP_ADDR_BASE + 0x09
+
+#define MODEXP_ADDR_DELAY MODEXP_ADDR_BASE + 0x13
+#define MODEXP_STATUS_READY 1
+
+#define MODEXP_MODULUS_LENGTH MODEXP_ADDR_BASE + 0x20
+#define MODEXP_EXPONENT_LENGTH MODEXP_ADDR_BASE + 0x21
+
+#define MODEXP_NAME0 "mode"
+#define MODEXP_NAME1 "xp "
+#define MODEXP_VERSION "0.50"
+
+
+//------------------------------------------------------------------
+// Test case public functions
+//------------------------------------------------------------------
+void tc_set_debug(int onoff);
+int tc_write(off_t offset, const uint8_t *buf, size_t len);
+int tc_read(off_t offset, uint8_t *buf, size_t len);
+int tc_expected(off_t offset, const uint8_t *expected, size_t len);
+int tc_init(off_t offset);
+int tc_next(off_t offset);
+int tc_wait(off_t offset, uint8_t status, int *count);
+int tc_wait_ready(off_t offset);
+int tc_wait_valid(off_t offset);
+
+
+//------------------------------------------------------------------
+// I2C configuration
+// Only used in I2C, but not harmful to define for EIM
+//------------------------------------------------------------------
+#define I2C_dev "/dev/i2c-2"
+#define I2C_addr 0x0f
+#define I2C_SLAVE 0x0703
+
+
+//======================================================================
+// EOF cryptech.h
+//======================================================================
diff --git a/sw/hash.c b/sw/hash.c
new file mode 100644
index 0000000..ae34ded
--- /dev/null
+++ b/sw/hash.c
@@ -0,0 +1,291 @@
+/*
+ * hash.c
+ * ------
+ * This program uses the coretest_hashes subsystem to produce a
+ * cryptographic hash of a file or input stream. It is a generalization
+ * of the hash_tester.c test program.
+ *
+ * Authors: Joachim Strömbergson, Paul Selkirk
+ * 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.
+ */
+
+#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 <stdint.h>
+#include <assert.h>
+
+#include "cryptech.h"
+
+char *usage =
+"Usage: %s [-d] [-v] [-q] [algorithm [file]]\n"
+"algorithms: sha-1, sha-256, sha-512/224, sha-512/256, sha-384, sha-512\n";
+
+int quiet = 0;
+int verbose = 0;
+
+
+/* ---------------- algorithm lookup code ---------------- */
+
+struct ctrl {
+ char *name;
+ off_t block_addr;
+ int block_len;
+ off_t digest_addr;
+ int digest_len;
+ int mode;
+} ctrl[] = {
+ { "sha-1", SHA1_ADDR_BLOCK, SHA1_BLOCK_LEN,
+ SHA1_ADDR_DIGEST, SHA1_DIGEST_LEN, 0 },
+ { "sha-256", SHA256_ADDR_BLOCK, SHA256_BLOCK_LEN,
+ SHA256_ADDR_DIGEST, SHA256_DIGEST_LEN, 0 },
+ { "sha-512/224", SHA512_ADDR_BLOCK, SHA512_BLOCK_LEN,
+ SHA512_ADDR_DIGEST, SHA512_224_DIGEST_LEN, MODE_SHA_512_224 },
+ { "sha-512/256", SHA512_ADDR_BLOCK, SHA512_BLOCK_LEN,
+ SHA512_ADDR_DIGEST, SHA512_256_DIGEST_LEN, MODE_SHA_512_256 },
+ { "sha-384", SHA512_ADDR_BLOCK, SHA512_BLOCK_LEN,
+ SHA512_ADDR_DIGEST, SHA384_DIGEST_LEN, MODE_SHA_384 },
+ { "sha-512", SHA512_ADDR_BLOCK, SHA512_BLOCK_LEN,
+ SHA512_ADDR_DIGEST, SHA512_DIGEST_LEN, MODE_SHA_512 },
+ { NULL, 0, 0, 0 }
+};
+
+/* return the control structure for the given algorithm */
+struct ctrl *find_algo(char *algo)
+{
+ int i;
+
+ for (i = 0; ctrl[i].name != NULL; ++i)
+ if (strcmp(ctrl[i].name, algo) == 0)
+ return &ctrl[i];
+
+ fprintf(stderr, "algorithm \"%s\" not found\n\n", algo);
+ fprintf(stderr, usage, "hash");
+ return NULL;
+}
+
+/* ---------------- hash ---------------- */
+
+static int transmit(off_t offset, uint8_t *block, int blen, int mode, int first)
+{
+ off_t base = offset & ~(0x1ff);
+ uint8_t ctrl_cmd[4] = { 0 };
+
+ if (tc_write(offset, block, blen) != 0)
+ return 1;
+
+ ctrl_cmd[3] = (first ? CTRL_INIT_CMD : CTRL_NEXT_CMD) | mode;
+
+ return
+ tc_write(base + ADDR_CTRL, ctrl_cmd, 4) ||
+ tc_wait_ready(base + ADDR_STATUS);
+}
+
+static int pad_transmit(off_t offset, uint8_t *block, uint8_t flen, uint8_t blen,
+ uint8_t mode, long long tlen, int first)
+{
+ assert(flen < blen);
+
+ block[flen++] = 0x80;
+ memset(block + flen, 0, blen - flen);
+
+ if (blen - flen < ((blen == 64) ? 8 : 16)) {
+ if (transmit(offset, block, blen, mode, first) != 0)
+ return 1;
+ first = 0;
+ memset(block, 0, blen);
+ }
+
+ /* properly the length is 128 bits for sha-512, but we can't
+ * actually count above 64 bits
+ */
+ ((uint32_t *)block)[blen/4 - 2] = htonl((tlen >> 32) & 0xffff);
+ ((uint32_t *)block)[blen/4 - 1] = htonl(tlen & 0xffff);
+
+ return transmit(offset, block, blen, mode, first);
+}
+
+/* return number of digest bytes read */
+static int hash(char *algo, char *file, uint8_t *digest)
+{
+ uint8_t block[SHA512_BLOCK_LEN];
+ struct ctrl *ctrl;
+ int in_fd = 0; /* stdin */
+ off_t baddr, daddr;
+ int blen, dlen, mode;
+ int nblk, nread, first;
+ int ret = -1;
+ struct timeval start, stop, difftime;
+
+ ctrl = find_algo(algo);
+ if (ctrl == NULL)
+ return -1;
+ baddr = ctrl->block_addr;
+ blen = ctrl->block_len;
+ daddr = ctrl->digest_addr;
+ dlen = ctrl->digest_len;
+ mode = ctrl->mode;
+
+ if (strcmp(file, "-") != 0) {
+ in_fd = open(file, O_RDONLY);
+ if (in_fd < 0) {
+ perror("open");
+ return -1;
+ }
+ }
+
+ if (verbose) {
+ if (gettimeofday(&start, NULL) < 0) {
+ perror("gettimeofday");
+ goto out;
+ }
+ }
+
+ for (nblk = 0, first = 1; ; ++nblk, first = 0) {
+ nread = read(in_fd, block, blen);
+ if (nread < 0) {
+ /* read error */
+ perror("read");
+ goto out;
+ }
+ else if (nread < blen) {
+ /* partial read = last block */
+ if (pad_transmit(baddr, block, nread, blen, mode,
+ (nblk * blen + nread) * 8, first) != 0)
+ goto out;
+ break;
+ }
+ else {
+ /* full block read */
+ if (transmit(baddr, block, blen, mode, first) != 0)
+ goto out;
+ }
+ }
+
+ /* Strictly speaking we should query "valid" status before reading digest,
+ * but transmit() waits for "ready" status before returning, and the SHA
+ * cores always assert valid before ready.
+ */
+ if (tc_read(daddr, digest, dlen) != 0) {
+ perror("eim read failed");
+ goto out;
+ }
+
+ if (verbose) {
+ if (gettimeofday(&stop, NULL) < 0) {
+ perror("gettimeofday");
+ goto out;
+ }
+ timersub(&stop, &start, &difftime);
+ printf("%d blocks written in %d.%03d sec (%.3f blocks/sec)\n",
+ nblk, (int)difftime.tv_sec, (int)difftime.tv_usec/1000,
+ (float)nblk / ((float)difftime.tv_sec + ((float)difftime.tv_usec)/1000000));
+ }
+
+ ret = dlen;
+out:
+ if (in_fd != 0)
+ close(in_fd);
+ return ret;
+}
+
+/* ---------------- main ---------------- */
+
+int main(int argc, char *argv[])
+{
+ int i, opt;
+ char *algo = "sha-1";
+ char *file = "-";
+ uint8_t digest[512/8];
+ int dlen;
+
+ while ((opt = getopt(argc, argv, "h?dvq")) != -1) {
+ switch (opt) {
+ case 'h':
+ case '?':
+ printf(usage, argv[0]);
+ return EXIT_SUCCESS;
+ case 'd':
+ tc_set_debug(1);
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ default:
+ fprintf(stderr, usage, argv[0]);
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (optind < argc) {
+ algo = argv[optind];
+ ++optind;
+ }
+ else {
+ if (!quiet)
+ printf("defaulting to algorithm \"%s\"\n", algo);
+ }
+
+ if (optind < argc) {
+ file = argv[optind];
+ ++optind;
+ }
+ else {
+ if (!quiet)
+ printf("reading from stdin\n");
+ }
+
+ dlen = hash(algo, file, digest);
+ if (dlen < 0)
+ return EXIT_FAILURE;
+
+ for (i = 0; i < dlen; ++i) {
+ printf("%02x", digest[i]);
+ if (i % 16 == 15)
+ printf("\n");
+ else if (i % 4 == 3)
+ printf(" ");
+ }
+ if (dlen % 16 != 0)
+ printf("\n");
+
+ return EXIT_SUCCESS;
+}
diff --git a/sw/hash_tester.c b/sw/hash_tester.c
new file mode 100644
index 0000000..3df62d3
--- /dev/null
+++ b/sw/hash_tester.c
@@ -0,0 +1,668 @@
+/*
+ * hash_tester.c
+ * --------------
+ * This program sends several commands to the coretest_hashes subsystem
+ * in order to verify the SHA-1, SHA-256 and SHA-512/x hash function
+ * cores.
+ *
+ * Note: This version of the program talks to the FPGA over an EIM bus.
+ *
+ * The single and dual block test cases are taken from the
+ * NIST KAT document:
+ * http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/SHA_All.pdf
+ *
+ *
+ * Authors: Joachim Strömbergson, Paul Selkirk
+ * 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.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/time.h>
+#include <stdint.h>
+#include <ctype.h>
+#include <signal.h>
+
+#include "cryptech.h"
+
+int quiet = 0;
+int repeat = 0;
+
+
+/* SHA-1/SHA-256 One Block Message Sample
+ Input Message: "abc" */
+const uint8_t NIST_512_SINGLE[] =
+{ 0x61, 0x62, 0x63, 0x80, 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, 0x00, 0x00, 0x00, 0x00, 0x18 };
+
+const uint8_t SHA1_SINGLE_DIGEST[] =
+{ 0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81, 0x6a,
+ 0xba, 0x3e, 0x25, 0x71, 0x78, 0x50, 0xc2, 0x6c,
+ 0x9c, 0xd0, 0xd8, 0x9d };
+
+const uint8_t SHA256_SINGLE_DIGEST[] =
+{ 0xBA, 0x78, 0x16, 0xBF, 0x8F, 0x01, 0xCF, 0xEA,
+ 0x41, 0x41, 0x40, 0xDE, 0x5D, 0xAE, 0x22, 0x23,
+ 0xB0, 0x03, 0x61, 0xA3, 0x96, 0x17, 0x7A, 0x9C,
+ 0xB4, 0x10, 0xFF, 0x61, 0xF2, 0x00, 0x15, 0xAD };
+
+/* SHA-1/SHA-256 Two Block Message Sample
+ Input Message: "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" */
+const uint8_t NIST_512_DOUBLE0[] =
+{ 0x61, 0x62, 0x63, 0x64, 0x62, 0x63, 0x64, 0x65,
+ 0x63, 0x64, 0x65, 0x66, 0x64, 0x65, 0x66, 0x67,
+ 0x65, 0x66, 0x67, 0x68, 0x66, 0x67, 0x68, 0x69,
+ 0x67, 0x68, 0x69, 0x6A, 0x68, 0x69, 0x6A, 0x6B,
+ 0x69, 0x6A, 0x6B, 0x6C, 0x6A, 0x6B, 0x6C, 0x6D,
+ 0x6B, 0x6C, 0x6D, 0x6E, 0x6C, 0x6D, 0x6E, 0x6F,
+ 0x6D, 0x6E, 0x6F, 0x70, 0x6E, 0x6F, 0x70, 0x71,
+ 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+const uint8_t NIST_512_DOUBLE1[] =
+{ 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, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xC0 };
+
+const uint8_t SHA1_DOUBLE_DIGEST[] =
+{ 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E,
+ 0xBA, 0xAE, 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5,
+ 0xE5, 0x46, 0x70, 0xF1 };
+
+const uint8_t SHA256_DOUBLE_DIGEST[] =
+{ 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8,
+ 0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39,
+ 0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67,
+ 0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 };
+
+/* SHA-512 One Block Message Sample
+ Input Message: "abc" */
+const uint8_t NIST_1024_SINGLE[] =
+{ 0x61, 0x62, 0x63, 0x80, 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, 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, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18 };
+
+const uint8_t SHA512_224_SINGLE_DIGEST[] =
+{ 0x46, 0x34, 0x27, 0x0f, 0x70, 0x7b, 0x6a, 0x54,
+ 0xda, 0xae, 0x75, 0x30, 0x46, 0x08, 0x42, 0xe2,
+ 0x0e, 0x37, 0xed, 0x26, 0x5c, 0xee, 0xe9, 0xa4,
+ 0x3e, 0x89, 0x24, 0xaa };
+const uint8_t SHA512_256_SINGLE_DIGEST[] =
+{ 0x53, 0x04, 0x8e, 0x26, 0x81, 0x94, 0x1e, 0xf9,
+ 0x9b, 0x2e, 0x29, 0xb7, 0x6b, 0x4c, 0x7d, 0xab,
+ 0xe4, 0xc2, 0xd0, 0xc6, 0x34, 0xfc, 0x6d, 0x46,
+ 0xe0, 0xe2, 0xf1, 0x31, 0x07, 0xe7, 0xaf, 0x23 };
+const uint8_t SHA384_SINGLE_DIGEST[] =
+{ 0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b,
+ 0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07,
+ 0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63,
+ 0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed,
+ 0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23,
+ 0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7 };
+const uint8_t SHA512_SINGLE_DIGEST[] =
+{ 0xdd, 0xaf, 0x35, 0xa1, 0x93, 0x61, 0x7a, 0xba,
+ 0xcc, 0x41, 0x73, 0x49, 0xae, 0x20, 0x41, 0x31,
+ 0x12, 0xe6, 0xfa, 0x4e, 0x89, 0xa9, 0x7e, 0xa2,
+ 0x0a, 0x9e, 0xee, 0xe6, 0x4b, 0x55, 0xd3, 0x9a,
+ 0x21, 0x92, 0x99, 0x2a, 0x27, 0x4f, 0xc1, 0xa8,
+ 0x36, 0xba, 0x3c, 0x23, 0xa3, 0xfe, 0xeb, 0xbd,
+ 0x45, 0x4d, 0x44, 0x23, 0x64, 0x3c, 0xe8, 0x0e,
+ 0x2a, 0x9a, 0xc9, 0x4f, 0xa5, 0x4c, 0xa4, 0x9f };
+
+/* SHA-512 Two Block Message Sample
+ Input Message: "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
+ "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" */
+const uint8_t NIST_1024_DOUBLE0[] =
+{ 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
+ 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
+ 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a,
+ 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b,
+ 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c,
+ 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d,
+ 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e,
+ 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
+ 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
+ 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71,
+ 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72,
+ 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73,
+ 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74,
+ 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75,
+ 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+const uint8_t NIST_1024_DOUBLE1[] =
+{ 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, 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, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x80 };
+
+const uint8_t SHA512_224_DOUBLE_DIGEST[] =
+{ 0x23, 0xfe, 0xc5, 0xbb, 0x94, 0xd6, 0x0b, 0x23,
+ 0x30, 0x81, 0x92, 0x64, 0x0b, 0x0c, 0x45, 0x33,
+ 0x35, 0xd6, 0x64, 0x73, 0x4f, 0xe4, 0x0e, 0x72,
+ 0x68, 0x67, 0x4a, 0xf9 };
+const uint8_t SHA512_256_DOUBLE_DIGEST[] =
+{ 0x39, 0x28, 0xe1, 0x84, 0xfb, 0x86, 0x90, 0xf8,
+ 0x40, 0xda, 0x39, 0x88, 0x12, 0x1d, 0x31, 0xbe,
+ 0x65, 0xcb, 0x9d, 0x3e, 0xf8, 0x3e, 0xe6, 0x14,
+ 0x6f, 0xea, 0xc8, 0x61, 0xe1, 0x9b, 0x56, 0x3a };
+const uint8_t SHA384_DOUBLE_DIGEST[] =
+{ 0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8,
+ 0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47,
+ 0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2,
+ 0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12,
+ 0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9,
+ 0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39 };
+const uint8_t SHA512_DOUBLE_DIGEST[] =
+{ 0x8e, 0x95, 0x9b, 0x75, 0xda, 0xe3, 0x13, 0xda,
+ 0x8c, 0xf4, 0xf7, 0x28, 0x14, 0xfc, 0x14, 0x3f,
+ 0x8f, 0x77, 0x79, 0xc6, 0xeb, 0x9f, 0x7f, 0xa1,
+ 0x72, 0x99, 0xae, 0xad, 0xb6, 0x88, 0x90, 0x18,
+ 0x50, 0x1d, 0x28, 0x9e, 0x49, 0x00, 0xf7, 0xe4,
+ 0x33, 0x1b, 0x99, 0xde, 0xc4, 0xb5, 0x43, 0x3a,
+ 0xc7, 0xd3, 0x29, 0xee, 0xb6, 0xdd, 0x26, 0x54,
+ 0x5e, 0x96, 0xe5, 0x5b, 0x87, 0x4b, 0xe9, 0x09 };
+
+/* ---------------- sanity test case ---------------- */
+
+int TC0()
+{
+ uint8_t board_name0[4] = NOVENA_BOARD_NAME0;
+ uint8_t board_name1[4] = NOVENA_BOARD_NAME1;
+ uint8_t board_version[4] = NOVENA_BOARD_VERSION;
+ uint8_t t[4];
+
+ if (!quiet)
+ printf("TC0: Reading board type, version, and dummy reg from global registers.\n");
+
+ /* write current time into dummy register, then try to read it back
+ * to make sure that we can actually write something into EIM
+ */
+ (void)time((time_t *)t);
+ if (tc_write(BOARD_ADDR_DUMMY, t, 4) != 0)
+ return 1;
+
+ return
+ tc_expected(BOARD_ADDR_NAME0, board_name0, 4) ||
+ tc_expected(BOARD_ADDR_NAME1, board_name1, 4) ||
+ tc_expected(BOARD_ADDR_VERSION, board_version, 4) ||
+ tc_expected(BOARD_ADDR_DUMMY, t, 4);
+}
+
+/* ---------------- SHA-1 test cases ---------------- */
+
+/* TC1: Read name and version from SHA-1 core. */
+int TC1(void)
+{
+ uint8_t name0[4] = SHA1_NAME0;
+ uint8_t name1[4] = SHA1_NAME1;
+ uint8_t version[4] = SHA1_VERSION;
+
+ if (!quiet)
+ printf("TC1: Reading name and version words from SHA-1 core.\n");
+
+ return
+ tc_expected(SHA1_ADDR_NAME0, name0, 4) ||
+ tc_expected(SHA1_ADDR_NAME1, name1, 4) ||
+ tc_expected(SHA1_ADDR_VERSION, version, 4);
+}
+
+/* TC2: SHA-1 Single block message test as specified by NIST. */
+int TC2(void)
+{
+ const uint8_t *block = NIST_512_SINGLE;
+ const uint8_t *expected = SHA1_SINGLE_DIGEST;
+ int ret;
+
+ if (!quiet)
+ printf("TC2: Single block message test for SHA-1.\n");
+
+ /* Write block to SHA-1. */
+ tc_write(SHA1_ADDR_BLOCK, block, SHA1_BLOCK_LEN);
+ /* Start initial block hashing, wait and check status. */
+ tc_init(SHA1_ADDR_CTRL);
+ tc_wait_valid(SHA1_ADDR_STATUS);
+ /* Extract the digest. */
+ ret = tc_expected(SHA1_ADDR_DIGEST, expected, SHA1_DIGEST_LEN);
+ return ret;
+}
+
+/* TC3: SHA-1 Double block message test as specified by NIST. */
+int TC3(void)
+{
+ const uint8_t *block[2] = { NIST_512_DOUBLE0, NIST_512_DOUBLE1 };
+ static const uint8_t block0_expected[] =
+ { 0xF4, 0x28, 0x68, 0x18, 0xC3, 0x7B, 0x27, 0xAE,
+ 0x04, 0x08, 0xF5, 0x81, 0x84, 0x67, 0x71, 0x48,
+ 0x4A, 0x56, 0x65, 0x72 };
+ const uint8_t *expected = SHA1_DOUBLE_DIGEST;
+ int ret;
+
+ if (!quiet)
+ printf("TC3: Double block message test for SHA-1.\n");
+
+ /* Write first block to SHA-1. */
+ tc_write(SHA1_ADDR_BLOCK, block[0], SHA1_BLOCK_LEN);
+ /* Start initial block hashing, wait and check status. */
+ tc_init(SHA1_ADDR_CTRL);
+ tc_wait_valid(SHA1_ADDR_STATUS);
+ /* Extract the first digest. */
+ tc_expected(SHA1_ADDR_DIGEST, block0_expected, SHA1_DIGEST_LEN);
+ /* Write second block to SHA-1. */
+ tc_write(SHA1_ADDR_BLOCK, block[1], SHA1_BLOCK_LEN);
+ /* Start next block hashing, wait and check status. */
+ tc_next(SHA1_ADDR_CTRL);
+ tc_wait_valid(SHA1_ADDR_STATUS);
+ /* Extract the second digest. */
+ ret = tc_expected(SHA1_ADDR_DIGEST, expected, SHA1_DIGEST_LEN);
+ return ret;
+}
+
+/* ---------------- SHA-256 test cases ---------------- */
+
+/* TC4: Read name and version from SHA-256 core. */
+int TC4(void)
+{
+ uint8_t name0[4] = SHA256_NAME0;
+ uint8_t name1[4] = SHA256_NAME1;
+ uint8_t version[4] = SHA256_VERSION;
+
+ if (!quiet)
+ printf("TC4: Reading name and version words from SHA-256 core.\n");
+
+ return
+ tc_expected(SHA256_ADDR_NAME0, name0, 4) ||
+ tc_expected(SHA256_ADDR_NAME1, name1, 4) ||
+ tc_expected(SHA256_ADDR_VERSION, version, 4);
+}
+
+/* TC5: SHA-256 Single block message test as specified by NIST. */
+int TC5()
+{
+ const uint8_t *block = NIST_512_SINGLE;
+ const uint8_t *expected = SHA256_SINGLE_DIGEST;
+
+ if (!quiet)
+ printf("TC5: Single block message test for SHA-256.\n");
+
+ return
+ /* Write block to SHA-256. */
+ tc_write(SHA256_ADDR_BLOCK, block, SHA256_BLOCK_LEN) ||
+ /* Start initial block hashing, wait and check status. */
+ tc_init(SHA256_ADDR_CTRL) ||
+ tc_wait_valid(SHA256_ADDR_STATUS) ||
+ /* Extract the digest. */
+ tc_expected(SHA256_ADDR_DIGEST, expected, SHA256_DIGEST_LEN);
+}
+
+/* TC6: SHA-256 Double block message test as specified by NIST. */
+int TC6()
+{
+ const uint8_t *block[2] = { NIST_512_DOUBLE0, NIST_512_DOUBLE1 };
+ static const uint8_t block0_expected[] =
+ { 0x85, 0xE6, 0x55, 0xD6, 0x41, 0x7A, 0x17, 0x95,
+ 0x33, 0x63, 0x37, 0x6A, 0x62, 0x4C, 0xDE, 0x5C,
+ 0x76, 0xE0, 0x95, 0x89, 0xCA, 0xC5, 0xF8, 0x11,
+ 0xCC, 0x4B, 0x32, 0xC1, 0xF2, 0x0E, 0x53, 0x3A };
+ const uint8_t *expected = SHA256_DOUBLE_DIGEST;
+
+ if (!quiet)
+ printf("TC6: Double block message test for SHA-256.\n");
+
+ return
+ /* Write first block to SHA-256. */
+ tc_write(SHA256_ADDR_BLOCK, block[0], SHA256_BLOCK_LEN) ||
+ /* Start initial block hashing, wait and check status. */
+ tc_init(SHA256_ADDR_CTRL) ||
+ tc_wait_valid(SHA256_ADDR_STATUS) ||
+ /* Extract the first digest. */
+ tc_expected(SHA256_ADDR_DIGEST, block0_expected, SHA256_DIGEST_LEN) ||
+ /* Write second block to SHA-256. */
+ tc_write(SHA256_ADDR_BLOCK, block[1], SHA256_BLOCK_LEN) ||
+ /* Start next block hashing, wait and check status. */
+ tc_next(SHA256_ADDR_CTRL) ||
+ tc_wait_valid(SHA256_ADDR_STATUS) ||
+ /* Extract the second digest. */
+ tc_expected(SHA256_ADDR_DIGEST, expected, SHA256_DIGEST_LEN);
+}
+
+/* TC7: SHA-256 Huge message test. */
+int TC7()
+{
+ static const uint8_t block[] =
+ { 0xaa, 0x55, 0xaa, 0x55, 0xde, 0xad, 0xbe, 0xef,
+ 0x55, 0xaa, 0x55, 0xaa, 0xf0, 0x0f, 0xf0, 0x0f,
+ 0xaa, 0x55, 0xaa, 0x55, 0xde, 0xad, 0xbe, 0xef,
+ 0x55, 0xaa, 0x55, 0xaa, 0xf0, 0x0f, 0xf0, 0x0f,
+ 0xaa, 0x55, 0xaa, 0x55, 0xde, 0xad, 0xbe, 0xef,
+ 0x55, 0xaa, 0x55, 0xaa, 0xf0, 0x0f, 0xf0, 0x0f,
+ 0xaa, 0x55, 0xaa, 0x55, 0xde, 0xad, 0xbe, 0xef,
+ 0x55, 0xaa, 0x55, 0xaa, 0xf0, 0x0f, 0xf0, 0x0f };
+
+ /* final digest after 1000 iterations */
+ static const uint8_t expected[] =
+ { 0x76, 0x38, 0xf3, 0xbc, 0x50, 0x0d, 0xd1, 0xa6,
+ 0x58, 0x6d, 0xd4, 0xd0, 0x1a, 0x15, 0x51, 0xaf,
+ 0xd8, 0x21, 0xd2, 0x35, 0x2f, 0x91, 0x9e, 0x28,
+ 0xd5, 0x84, 0x2f, 0xab, 0x03, 0xa4, 0x0f, 0x2a };
+
+ int i, n = 1000;
+
+ if (!quiet)
+ printf("TC7: Message with %d blocks test for SHA-256.\n", n);
+
+ /* Write block data to SHA-256. */
+ if (tc_write(SHA256_ADDR_BLOCK, block, SHA256_BLOCK_LEN))
+ return 1;
+
+ /* Start initial block hashing, wait and check status. */
+ if (tc_init(SHA256_ADDR_CTRL) ||
+ tc_wait_ready(SHA256_ADDR_STATUS))
+ return 1;
+
+ /* First block done. Do the rest. */
+ for (i = 1; i < n; ++i) {
+ /* Start next block hashing, wait and check status. */
+ if (tc_next(SHA256_ADDR_CTRL) ||
+ tc_wait_ready(SHA256_ADDR_STATUS))
+ return 1;
+ }
+
+ /* XXX valid is probably set at the same time as ready */
+ if (tc_wait_valid(SHA256_ADDR_STATUS))
+ return 1;
+ /* Extract the final digest. */
+ return tc_expected(SHA256_ADDR_DIGEST, expected, SHA256_DIGEST_LEN);
+}
+
+/* ---------------- SHA-512 test cases ---------------- */
+
+/* TC8: Read name and version from SHA-512 core. */
+int TC8()
+{
+ uint8_t name0[4] = SHA512_NAME0;
+ uint8_t name1[4] = SHA512_NAME1;
+ uint8_t version[4] = SHA512_VERSION;
+
+ if (!quiet)
+ printf("TC8: Reading name and version words from SHA-512 core.\n");
+
+ return
+ tc_expected(SHA512_ADDR_NAME0, name0, 4) ||
+ tc_expected(SHA512_ADDR_NAME1, name1, 4) ||
+ tc_expected(SHA512_ADDR_VERSION, version, 4);
+}
+
+/* TC9: SHA-512 Single block message test as specified by NIST.
+ We do this for all modes. */
+int tc9(int mode, const uint8_t *expected, int digest_len)
+{
+ const uint8_t *block = NIST_1024_SINGLE;
+ uint8_t init[4] = { 0, 0, 0, CTRL_INIT_CMD + mode };
+
+ return
+ /* Write block to SHA-512. */
+ tc_write(SHA512_ADDR_BLOCK, block, SHA512_BLOCK_LEN) ||
+ /* Start initial block hashing, wait and check status. */
+ tc_write(SHA512_ADDR_CTRL, init, 4) ||
+ tc_wait_valid(SHA512_ADDR_STATUS) ||
+ /* Extract the digest. */
+ tc_expected(SHA512_ADDR_DIGEST, expected, digest_len);
+}
+
+int TC9()
+{
+ if (!quiet)
+ printf("TC9-1: Single block message test for SHA-512/224.\n");
+ if (tc9(MODE_SHA_512_224, SHA512_224_SINGLE_DIGEST, SHA512_224_DIGEST_LEN) != 0)
+ return 1;
+
+ if (!quiet)
+ printf("TC9-2: Single block message test for SHA-512/256.\n");
+ if (tc9(MODE_SHA_512_256, SHA512_256_SINGLE_DIGEST, SHA512_256_DIGEST_LEN) != 0)
+ return 1;
+
+ if (!quiet)
+ printf("TC9-3: Single block message test for SHA-384.\n");
+ if (tc9(MODE_SHA_384, SHA384_SINGLE_DIGEST, SHA384_DIGEST_LEN) != 0)
+ return 1;
+
+ if (!quiet)
+ printf("TC9-4: Single block message test for SHA-512.\n");
+ if (tc9(MODE_SHA_512, SHA512_SINGLE_DIGEST, SHA512_DIGEST_LEN) != 0)
+ return 1;
+
+ return 0;
+}
+
+/* TC10: SHA-512 Double block message test as specified by NIST.
+ We do this for all modes. */
+int tc10(int mode, const uint8_t *expected, int digest_len)
+{
+ const uint8_t *block[2] = { NIST_1024_DOUBLE0, NIST_1024_DOUBLE1 };
+ uint8_t init[4] = { 0, 0, 0, CTRL_INIT_CMD + mode };
+ uint8_t next[4] = { 0, 0, 0, CTRL_NEXT_CMD + mode };
+
+ return
+ /* Write first block to SHA-512. */
+ tc_write(SHA512_ADDR_BLOCK, block[0], SHA512_BLOCK_LEN) ||
+ /* Start initial block hashing, wait and check status. */
+ tc_write(SHA512_ADDR_CTRL, init, 4) ||
+ tc_wait_ready(SHA512_ADDR_STATUS) ||
+ /* Write second block to SHA-512. */
+ tc_write(SHA512_ADDR_BLOCK, block[1], SHA512_BLOCK_LEN) ||
+ /* Start next block hashing, wait and check status. */
+ tc_write(SHA512_ADDR_CTRL, next, 4) ||
+ tc_wait_valid(SHA512_ADDR_STATUS) ||
+ /* Extract the digest. */
+ tc_expected(SHA512_ADDR_DIGEST, expected, digest_len);
+}
+
+int TC10()
+{
+ if (!quiet)
+ printf("TC10-1: Double block message test for SHA-512/224.\n");
+ if (tc10(MODE_SHA_512_224, SHA512_224_DOUBLE_DIGEST, SHA512_224_DIGEST_LEN) != 0)
+ return 1;
+
+ if (!quiet)
+ printf("TC10-2: Double block message test for SHA-512/256.\n");
+ if (tc10(MODE_SHA_512_256, SHA512_256_DOUBLE_DIGEST, SHA512_256_DIGEST_LEN) != 0)
+ return 1;
+
+ if (!quiet)
+ printf("TC10-3: Double block message test for SHA-384.\n");
+ if (tc10(MODE_SHA_384, SHA384_DOUBLE_DIGEST, SHA384_DIGEST_LEN) != 0)
+ return 1;
+
+ if (!quiet)
+ printf("TC10-4: Double block message test for SHA-512.\n");
+ if (tc10(MODE_SHA_512, SHA512_DOUBLE_DIGEST, SHA512_DIGEST_LEN) != 0)
+ return 1;
+
+ return 0;
+}
+
+/* ---------------- 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, TC5, TC6, TC7, TC8, TC9, TC10 };
+ tcfp sha1_tests[] = { TC1, TC2, TC3 };
+ tcfp sha256_tests[] = { TC4, TC5, TC6, TC7 };
+ tcfp sha512_tests[] = { TC8, TC9, TC10 };
+
+ 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':
+ tc_set_debug(1);
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ case 'r':
+ repeat = 1;
+ break;
+ default:
+ fprintf(stderr, usage, argv[0]);
+ 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 (strcmp(argv[i], "sha1") == 0) {
+ for (j = 0; j < sizeof(sha1_tests)/sizeof(sha1_tests[0]); ++j)
+ if (sha1_tests[j]() != 0)
+ return EXIT_FAILURE;
+ }
+ else if (strcmp(argv[i], "sha256") == 0) {
+ for (j = 0; j < sizeof(sha256_tests)/sizeof(sha256_tests[0]); ++j)
+ if (sha256_tests[j]() != 0)
+ return EXIT_FAILURE;
+ }
+ else if (strcmp(argv[i], "sha512") == 0) {
+ for (j = 0; j < sizeof(sha512_tests)/sizeof(sha512_tests[0]); ++j)
+ if (sha512_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;
+}
diff --git a/sw/novena-eim.c b/sw/novena-eim.c
new file mode 100644
index 0000000..85bfac0
--- /dev/null
+++ b/sw/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/sw/novena-eim.h b/sw/novena-eim.h
new file mode 100644
index 0000000..dcceaf4
--- /dev/null
+++ b/sw/novena-eim.h
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+#include <stdint.h>
+#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/sw/tc_eim.c b/sw/tc_eim.c
new file mode 100644
index 0000000..0461f15
--- /dev/null
+++ b/sw/tc_eim.c
@@ -0,0 +1,208 @@
+/*
+ * tc_eim.c
+ * --------
+ * This module contains common code to talk to the FPGA over the EIM bus.
+ *
+ * Author: Paul Selkirk
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+#include <arpa/inet.h>
+
+#include "novena-eim.h"
+#include "cryptech.h"
+
+static int debug = 0;
+static int inited = 0;
+
+/* ---------------- EIM low-level code ---------------- */
+
+static int init(void)
+{
+ if (inited)
+ return 0;
+
+ if (eim_setup() != 0) {
+ fprintf(stderr, "EIM setup failed\n");
+ return -1;
+ }
+
+ inited = 1;
+ return 0;
+}
+
+/* translate cryptech register number to EIM address
+ *
+ * register number format:
+ * 3 bits segment selector
+ * 5 bits core selector (6 bits in native eim)
+ * 8 bits register selector
+ *
+ * sss ccccc rrrrrrrr => 00001000000000 sss 0 ccccc rrrrrrrr 00
+ */
+static off_t eim_offset(off_t offset)
+{
+ return EIM_BASE_ADDR + ((offset & ~0x1fff) << 3) + ((offset & 0x1fff) << 2);
+}
+
+/* ---------------- test-case low-level code ---------------- */
+
+void tc_set_debug(int onoff)
+{
+ debug = onoff;
+}
+
+static void dump(char *label, const uint8_t *buf, size_t 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, size_t len)
+{
+ if (init() != 0)
+ return -1;
+
+ dump("write ", buf, len);
+
+ offset = eim_offset(offset);
+ 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, size_t len)
+{
+ uint8_t *rbuf = buf;
+ int rlen = len;
+
+ if (init() != 0)
+ return -1;
+
+ offset = eim_offset(offset);
+ 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, size_t 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_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[4] = { 0, 0, 0, CTRL_NEXT_CMD };
+
+ return tc_write(offset, buf, 4);
+}
+
+int tc_wait(off_t offset, uint8_t status, int *count)
+{
+ uint8_t buf[4];
+ int i;
+
+ for (i = 1; ; ++i) {
+ if (count && (*count > 0) && (i >= *count)) {
+ fprintf(stderr, "tc_wait timed out\n");
+ return 1;
+ }
+ if (tc_read(offset, buf, 4) != 0)
+ return -1;
+ if (buf[3] & status) {
+ if (count)
+ *count = i;
+ return 0;
+ }
+ }
+}
+
+int tc_wait_ready(off_t offset)
+{
+ int limit = 256;
+ return tc_wait(offset, STATUS_READY_BIT, &limit);
+}
+
+int tc_wait_valid(off_t offset)
+{
+ int limit = 256;
+ return tc_wait(offset, STATUS_VALID_BIT, &limit);
+}
diff --git a/sw/tc_i2c.c b/sw/tc_i2c.c
new file mode 100644
index 0000000..333a531
--- /dev/null
+++ b/sw/tc_i2c.c
@@ -0,0 +1,335 @@
+/*
+ * tc_i2c.c
+ * --------
+ * This module contains common code to talk to the FPGA over the I2C bus.
+ *
+ * Author: Paul Selkirk
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+
+#include "cryptech.h"
+
+static int debug = 0;
+static int i2cfd = -1;
+
+/* ---------------- I2C low-level code ---------------- */
+
+void tc_set_debug(int onoff)
+{
+ debug = onoff;
+}
+
+static void dump(char *label, const uint8_t *buf, size_t len)
+{
+ if (debug) {
+ int i;
+ printf("%s [", label);
+ for (i = 0; i < len; ++i)
+ printf(" %02x", buf[i]);
+ printf(" ]\n");
+ }
+}
+
+static void i2c_close(void)
+{
+ close(i2cfd);
+}
+
+static int i2c_open(void)
+{
+ if (i2cfd >= 0)
+ return 0;
+
+ i2cfd = open(I2C_dev, O_RDWR);
+ if (i2cfd < 0) {
+ fprintf(stderr, "Unable to open %s: ", I2C_dev);
+ perror("");
+ i2cfd = 0;
+ return 1;
+ }
+
+ if (ioctl(i2cfd, I2C_SLAVE, I2C_addr) < 0) {
+ fprintf(stderr, "Unable to set I2C slave device 0x%02x: ", I2C_addr);
+ perror("");
+ return 1;
+ }
+
+ if (atexit(i2c_close) != 0) {
+ fprintf(stderr, "Unable to set I2C atexit handler.");
+ return 1;
+ }
+
+ return 0;
+}
+
+static int i2c_write(const uint8_t *buf, size_t len)
+{
+ if (i2c_open() != 0)
+ return 1;
+
+ dump("write ", buf, len);
+
+ if (write(i2cfd, buf, len) != len) {
+ perror("i2c write failed");
+ return 1;
+ }
+
+ return 0;
+}
+
+static int i2c_read(uint8_t *b)
+{
+ if (i2c_open() != 0)
+ return 1;
+
+ /* read() on the i2c device only returns one byte at a time,
+ * and tc_get_resp() needs to parse the response one byte at a time
+ */
+ if (read(i2cfd, b, 1) != 1) {
+ perror("i2c read failed");
+ return 1;
+ }
+
+ return 0;
+}
+
+/* ---------------- test-case low-level code ---------------- */
+
+/* coretest command codes */
+#define SOC 0x55
+#define EOC 0xaa
+#define READ_CMD 0x10
+#define WRITE_CMD 0x11
+#define RESET_CMD 0x01
+
+/* coretest response codes */
+#define SOR 0xaa
+#define EOR 0x55
+#define READ_OK 0x7f
+#define WRITE_OK 0x7e
+#define RESET_OK 0x7d
+#define UNKNOWN 0xfe
+#define ERROR 0xfd
+
+static int tc_send_write_cmd(off_t offset, const uint8_t *data)
+{
+ uint8_t buf[9] = { SOC, WRITE_CMD, (offset >> 8) & 0xff, offset & 0xff,
+ data[0], data[1], data[2], data[3], EOC };
+
+ return i2c_write(buf, sizeof(buf));
+}
+
+static int tc_send_read_cmd(off_t offset)
+{
+ uint8_t buf[5] = { SOC, READ_CMD, (offset >> 8) & 0xff, offset & 0xff, EOC };
+
+ return i2c_write(buf, sizeof(buf));
+}
+
+static int tc_get_resp(uint8_t *buf, size_t len)
+{
+ int i;
+
+ for (i = 0; i < len; ++i) {
+ if (i2c_read(&buf[i]) != 0)
+ return 1;
+ if ((i == 0) && (buf[i] != SOR)) {
+ /* we've gotten out of sync, and there's probably nothing we can do */
+ fprintf(stderr, "response byte 0: expected 0x%02x (SOR), got 0x%02x\n",
+ SOR, buf[0]);
+ return 1;
+ }
+ else if (i == 1) { /* response code */
+ switch (buf[i]) {
+ case READ_OK:
+ len = 9;
+ break;
+ case WRITE_OK:
+ len = 5;
+ break;
+ case RESET_OK:
+ len = 3;
+ break;
+ case ERROR:
+ case UNKNOWN:
+ len = 4;
+ break;
+ default:
+ /* we've gotten out of sync, and there's probably nothing we can do */
+ fprintf(stderr, "unknown response code 0x%02x\n", buf[i]);
+ return 1;
+ }
+ }
+ }
+
+ dump("read ", buf, len);
+
+ return 0;
+}
+
+static int tc_compare(uint8_t *buf, const uint8_t *expected, size_t len)
+{
+ int i;
+
+ /* start at byte 1 because SOR has already been tested */
+ for (i = 1; 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]);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int tc_get_write_resp(off_t offset)
+{
+ uint8_t buf[5];
+ uint8_t expected[5] = { SOR, WRITE_OK, (offset >> 8) & 0xff, offset & 0xff, EOR };
+
+ return
+ tc_get_resp(buf, sizeof(buf)) ||
+ tc_compare(buf, expected, sizeof(expected));
+}
+
+static int tc_get_read_resp(off_t offset, uint8_t *data)
+{
+ uint8_t buf[9];
+ uint8_t expected[4] = { SOR, READ_OK, (offset >> 8) & 0xff, offset & 0xff };
+
+ if ((tc_get_resp(buf, sizeof(buf)) != 0) ||
+ (tc_compare(buf, expected, 4) != 0) || buf[8] != EOR)
+ return 1;
+
+ data[0] = buf[4];
+ data[1] = buf[5];
+ data[2] = buf[6];
+ data[3] = buf[7];
+
+ return 0;
+}
+
+static int tc_get_read_resp_expected(off_t offset, const uint8_t *data)
+{
+ uint8_t buf[9];
+ uint8_t expected[9] = { SOR, READ_OK, (offset >> 8) & 0xff, offset & 0xff,
+ data[0], data[1], data[2], data[3], EOR };
+
+ dump("expect", expected, 9);
+
+ return (tc_get_resp(buf, sizeof(buf)) ||
+ tc_compare(buf, expected, sizeof(buf)));
+}
+
+int tc_write(off_t offset, const uint8_t *buf, size_t len)
+{
+ for (; len > 0; offset++, buf += 4, len -= 4) {
+ if (tc_send_write_cmd(offset, buf) ||
+ tc_get_write_resp(offset))
+ return 1;
+ }
+
+ return 0;
+}
+
+int tc_read(off_t offset, uint8_t *buf, size_t len)
+{
+ for (; len > 0; offset++, buf += 4, len -= 4) {
+ if (tc_send_read_cmd(offset) ||
+ tc_get_read_resp(offset, buf))
+ return 1;
+ }
+
+ return 0;
+}
+
+int tc_expected(off_t offset, const uint8_t *buf, size_t len)
+{
+ for (; len > 0; offset++, buf += 4, len -= 4) {
+ if (tc_send_read_cmd(offset) ||
+ tc_get_read_resp_expected(offset, buf))
+ return 1;
+ }
+
+ return 0;
+}
+
+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[4] = { 0, 0, 0, CTRL_NEXT_CMD };
+
+ return tc_write(offset, buf, 4);
+}
+
+int tc_wait(off_t offset, uint8_t status, int *count)
+{
+ uint8_t buf[4];
+ int i;
+
+ for (i = 1; ; ++i) {
+ if (count && (*count > 0) && (i >= *count)) {
+ fprintf(stderr, "tc_wait timed out\n");
+ return 1;
+ }
+ if (tc_read(offset, buf, 4) != 0)
+ return -1;
+ if (buf[3] & status) {
+ if (count)
+ *count = i;
+ return 0;
+ }
+ }
+}
+
+int tc_wait_ready(off_t offset)
+{
+ int limit = 10;
+ return tc_wait(offset, STATUS_READY_BIT, &limit);
+}
+
+int tc_wait_valid(off_t offset)
+{
+ int limit = 10;
+ return tc_wait(offset, STATUS_VALID_BIT, &limit);
+}
diff --git a/sw/trng_extractor.c b/sw/trng_extractor.c
new file mode 100644
index 0000000..5c373f4
--- /dev/null
+++ b/sw/trng_extractor.c
@@ -0,0 +1,188 @@
+/*
+ * trng_extractor.c
+ * ----------------
+ * This program extracts raw data from the avalanche_entropy, rosc_entropy,
+ * and csprng cores.
+ *
+ * Author: Paul Selkirk
+ * Copyright (c) 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <ctype.h>
+
+#include "cryptech.h"
+
+char *usage =
+"%s [-a|r|c] [-n #] [-o file]\n\
+\n\
+-a avalanche entropy\n\
+-r rosc entropy\n\
+-c csprng (default data source)\n\
+-n number of 4-byte samples (scale with K, M, or G suffix)\n\
+-o output file (defaults to stdout)\n\
+";
+
+/* check availability of avalanche entropy core by reading core name and version */
+static int avalanche_check(void)
+{
+ return
+ tc_expected(ENTROPY1_ADDR_NAME0, (const uint8_t *)AVALANCHE_ENTROPY_NAME0, 4) ||
+ tc_expected(ENTROPY1_ADDR_NAME1, (const uint8_t *)AVALANCHE_ENTROPY_NAME1, 4);
+}
+
+/* check availability of rosc core by reading the core name and version */
+static int rosc_check(void)
+{
+ return
+ tc_expected(ENTROPY2_ADDR_NAME0, (const uint8_t *)ROSC_ENTROPY_NAME0, 4) ||
+ tc_expected(ENTROPY2_ADDR_NAME1, (const uint8_t *)ROSC_ENTROPY_NAME1, 4);
+}
+
+/* check availability of csprng core by reading the core name and version */
+static int csprng_check(void)
+{
+ return
+ tc_expected(CSPRNG_ADDR_NAME0, (const uint8_t *)CSPRNG_NAME0, 4) ||
+ tc_expected(CSPRNG_ADDR_NAME1, (const uint8_t *)CSPRNG_NAME1, 4);
+}
+
+/* extract one data sample */
+static int extract(off_t status_addr, off_t data_addr, uint32_t *data)
+{
+ if (tc_wait(status_addr, ENTROPY1_STATUS_VALID, NULL) != 0) {
+ fprintf(stderr, "tc_wait failed\n");
+ return 1;
+ }
+
+ if (tc_read(data_addr, (uint8_t *)data, 4) != 0) {
+ fprintf(stderr, "tc_read failed\n");
+ return 1;
+ }
+
+ return 0;
+}
+
+/* main */
+int main(int argc, char *argv[])
+{
+ int i, opt;
+ unsigned long num_words = 1;
+ char *endptr;
+ off_t status_addr = CSPRNG_ADDR_STATUS;
+ off_t data_addr = CSPRNG_ADDR_RANDOM;
+ FILE *output = stdout;
+ uint32_t data;
+
+ // Check that we have can talk to the trng.
+ if (avalanche_check() || rosc_check() || csprng_check()) {
+ fprintf(stderr, "Can't properly access the trng.\n");
+ return EXIT_FAILURE;
+ }
+
+ /* parse command line */
+ while ((opt = getopt(argc, argv, "h?arcn:o:")) != -1) {
+ switch (opt) {
+ case 'h':
+ case '?':
+ printf(usage, argv[0]);
+ return EXIT_SUCCESS;
+ case 'a':
+ status_addr = ENTROPY1_ADDR_STATUS;
+ data_addr = ENTROPY1_ADDR_ENTROPY;
+ break;
+ case 'r':
+ status_addr = ENTROPY2_ADDR_STATUS;
+ data_addr = ENTROPY2_ADDR_ENTROPY;
+ break;
+ case 'c':
+ status_addr = CSPRNG_ADDR_STATUS;
+ data_addr = CSPRNG_ADDR_RANDOM;
+ break;
+ case 'n':
+ num_words = strtoul(optarg, &endptr, 10);
+ switch (toupper(*endptr)) {
+ case '\0':
+ break;
+ case 'K':
+ num_words *= 1000;
+ break;
+ case 'M':
+ num_words *= 1000000;
+ break;
+ case 'G':
+ num_words *= 1000000000;
+ break;
+ default:
+ fprintf(stderr, "unsupported -n suffix %s\n", endptr);
+ return EXIT_FAILURE;
+ }
+ break;
+ case 'o':
+ output = fopen(optarg, "wb+");
+ if (output == NULL) {
+ fprintf(stderr, "error opening output file %s: ", optarg);
+ perror("");
+ return EXIT_FAILURE;
+ }
+ break;
+ default:
+ errout:
+ fprintf(stderr, usage, argv[0]);
+ return EXIT_FAILURE;
+ }
+ }
+ if (optind < argc) {
+ fprintf(stderr, "%s: invalid argument%s --",
+ argv[0], argc - optind > 1 ? "s" : "");
+ do {
+ fprintf(stderr, " %s", argv[optind]);
+ ++optind;
+ } while (optind < argc);
+ fprintf(stderr, "\n");
+ goto errout;
+ }
+
+ /* get the data */
+ for (i = 0; i < num_words; ++i) {
+ if (extract(status_addr, data_addr, &data) != 0)
+ return EXIT_FAILURE;
+ if (fwrite(&data, sizeof(data), 1, output) != 1) {
+ perror("fwrite");
+ fclose(output);
+ return EXIT_FAILURE;
+ }
+ }
+
+ fclose(output);
+ return EXIT_SUCCESS;
+}
diff --git a/sw/trng_tester.c b/sw/trng_tester.c
new file mode 100644
index 0000000..715a20c
--- /dev/null
+++ b/sw/trng_tester.c
@@ -0,0 +1,367 @@
+/*
+ * trng_tester.c
+ * --------------
+ * This program sends several commands to the TRNG subsystem
+ * in order to verify the avalanche_entropy, rosc_entropy, and csprng cores.
+ *
+ * Note: This version of the program talks to the FPGA over an EIM bus.
+ *
+ *
+ * Author: Paul Selkirk
+ * 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.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/time.h>
+#include <stdint.h>
+#include <ctype.h>
+#include <signal.h>
+
+#include "cryptech.h"
+
+char *usage = "Usage: %s [-h] [-d] [-q] [-r] [-w] [-n #] tc...\n";
+
+int debug = 0;
+int quiet = 0;
+int repeat = 0;
+int num_words = 10;
+int wait_stats = 0;
+
+/* ---------------- sanity test case ---------------- */
+
+int TC0()
+{
+ uint8_t name0[4] = NOVENA_BOARD_NAME0;
+ uint8_t name1[4] = NOVENA_BOARD_NAME1;
+ uint8_t version[4] = NOVENA_BOARD_VERSION;
+ uint8_t t[4];
+
+ if (!quiet)
+ printf("TC0: Reading board type, version, and dummy reg from global registers.\n");
+
+ /* write current time into dummy register, then try to read it back
+ * to make sure that we can actually write something into EIM
+ */
+ (void)time((time_t *)t);
+ if (tc_write(BOARD_ADDR_DUMMY, t, 4) != 0)
+ return 1;
+
+ return
+ tc_expected(BOARD_ADDR_NAME0, name0, 4) ||
+ tc_expected(BOARD_ADDR_NAME1, name1, 4) ||
+ tc_expected(BOARD_ADDR_VERSION, version, 4) ||
+ tc_expected(BOARD_ADDR_DUMMY, t, 4);
+}
+
+/* ---------------- trng test cases ---------------- */
+
+/* TC1: Read name and version from trng core. */
+int TC1(void)
+{
+ uint8_t name0[4] = TRNG_NAME0;
+ uint8_t name1[4] = TRNG_NAME1;
+ uint8_t version[4] = TRNG_VERSION;
+
+ if (!quiet)
+ printf("TC1: Reading name and version words from trng core.\n");
+
+ return
+ tc_expected(TRNG_ADDR_NAME0, name0, 4) ||
+ tc_expected(TRNG_ADDR_NAME1, name1, 4) ||
+ tc_expected(TRNG_ADDR_VERSION, version, 4);
+}
+
+/* XXX test cases for setting blinkenlights? */
+/* XXX set 'discard' control bit, see if we read the same value */
+
+/* ---------------- avalanche_entropy test cases ---------------- */
+
+/* TC2: Read name and version from avalanche_entropy core. */
+int TC2(void)
+{
+ uint8_t name0[4] = AVALANCHE_ENTROPY_NAME0;
+ uint8_t name1[4] = AVALANCHE_ENTROPY_NAME1;
+ uint8_t version[4] = AVALANCHE_ENTROPY_VERSION;
+
+ if (!quiet)
+ printf("TC2: Reading name and version words from avalanche_entropy core.\n");
+
+ return
+ tc_expected(ENTROPY1_ADDR_NAME0, name0, 4) ||
+ tc_expected(ENTROPY1_ADDR_NAME1, name1, 4) ||
+ tc_expected(ENTROPY1_ADDR_VERSION, version, 4);
+}
+
+/* XXX clear 'enable' control bit, see if we read the same value */
+
+/* TC3: Read random data from avalanche_entropy. */
+int TC3(void)
+{
+ int i, n;
+ uint32_t entropy;
+
+ if (!quiet)
+ printf("TC3: Read random data from avalanche_entropy.\n");
+
+ for (i = 0; i < num_words; ++i) {
+ /* check status */
+ n = 0;
+ if (tc_wait(ENTROPY1_ADDR_STATUS, ENTROPY1_STATUS_VALID, &n) != 0)
+ return 1;
+ /* read entropy data */
+ if (tc_read(ENTROPY1_ADDR_ENTROPY, (uint8_t *)&entropy, 4) != 0)
+ return 1;
+ /* display entropy data */
+ if (!debug) {
+ if (wait_stats)
+ printf("%08x %d\n", entropy, n);
+ else
+ printf("%08x\n", entropy);
+ }
+ }
+
+ return 0;
+}
+
+/* ---------------- rosc_entropy test cases ---------------- */
+
+/* TC4: Read name and version from rosc_entropy core. */
+int TC4(void)
+{
+ uint8_t name0[4] = ROSC_ENTROPY_NAME0;
+ uint8_t name1[4] = ROSC_ENTROPY_NAME1;
+ uint8_t version[4] = ROSC_ENTROPY_VERSION;
+
+ if (!quiet)
+ printf("TC4: Reading name and version words from rosc_entropy core.\n");
+
+ return
+ tc_expected(ENTROPY2_ADDR_NAME0, name0, 4) ||
+ tc_expected(ENTROPY2_ADDR_NAME1, name1, 4) ||
+ tc_expected(ENTROPY2_ADDR_VERSION, version, 4);
+}
+
+/* XXX clear 'enable' control bit, see if we read the same value */
+
+/* TC5: Read random data from rosc_entropy. */
+int TC5(void)
+{
+ int i, n;
+ uint32_t entropy;
+
+ if (!quiet)
+ printf("TC5: Read random data from rosc_entropy.\n");
+
+ for (i = 0; i < num_words; ++i) {
+ /* check status */
+ n = 0;
+ if (tc_wait(ENTROPY2_ADDR_STATUS, ENTROPY2_STATUS_VALID, &n) != 0)
+ return 1;
+ /* read entropy data */
+ if (tc_read(ENTROPY2_ADDR_ENTROPY, (uint8_t *)&entropy, 4) != 0)
+ return 1;
+ /* display entropy data */
+ if (!debug) {
+ if (wait_stats)
+ printf("%08x %d\n", entropy, n);
+ else
+ printf("%08x\n", entropy);
+ }
+ }
+
+ return 0;
+}
+
+/* ---------------- trng_csprng test cases ---------------- */
+
+/* TC6: Read name and version from trng_csprng core. */
+int TC6(void)
+{
+ uint8_t name0[4] = CSPRNG_NAME0;
+ uint8_t name1[4] = CSPRNG_NAME1;
+ uint8_t version[4] = CSPRNG_VERSION;
+
+ if (!quiet)
+ printf("TC6: Reading name and version words from trng_csprng core.\n");
+
+ return
+ tc_expected(CSPRNG_ADDR_NAME0, name0, 4) ||
+ tc_expected(CSPRNG_ADDR_NAME1, name1, 4) ||
+ tc_expected(CSPRNG_ADDR_VERSION, version, 4);
+}
+
+/* XXX clear 'enable' control bit, see if we read the same value */
+/* XXX set 'seed' control bit, see if we read the same value */
+
+/* TC7: Read random data from trng_csprng. */
+int TC7(void)
+{
+ int i, n;
+ uint32_t random;
+
+ if (!quiet)
+ printf("TC7: Read random data from trng_csprng.\n");
+
+ for (i = 0; i < num_words; ++i) {
+ /* check status */
+ n = 0;
+ if (tc_wait(CSPRNG_ADDR_STATUS, CSPRNG_STATUS_VALID, &n) != 0)
+ return 1;
+ /* read random data */
+ if (tc_read(CSPRNG_ADDR_RANDOM, (uint8_t *)&random, 4) != 0)
+ return 1;
+ /* display random data */
+ if (!debug) {
+ if (wait_stats)
+ printf("%08x %d\n", random, n);
+ else
+ printf("%08x\n", random);
+ }
+ }
+
+ return 0;
+}
+
+
+/* ---------------- 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, TC5, TC6, TC7 };
+ int i, j, opt;
+
+ while ((opt = getopt(argc, argv, "h?dqrn:w")) != -1) {
+ switch (opt) {
+ case 'h':
+ case '?':
+ printf(usage, argv[0]);
+ return EXIT_SUCCESS;
+ case 'd':
+ tc_set_debug(1);
+ debug = 1;
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ case 'r':
+ repeat = 1;
+ break;
+ case 'n':
+ num_words = atoi(optarg);
+ if (num_words <= 0) {
+ fprintf(stderr, "-n requires a positive integer argument\n");
+ return EXIT_FAILURE;
+ }
+ break;
+ case 'w':
+ wait_stats = 1;
+ break;
+ default:
+ fprintf(stderr, usage, argv[0]);
+ 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 17:03:38 +0000