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@@ -45,7 +45,8 @@
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unsigned bitfury_decnonce(unsigned in);
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/* Configuration registers - control oscillators and such stuff. PROGRAMMED when magic number is matches, UNPROGRAMMED (default) otherwise */
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-void config_reg(struct spi_port *port, int cfgreg, int ena)
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+static
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+void bitfury_config_reg(struct spi_port *port, int cfgreg, int ena)
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{
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static const uint8_t enaconf[4] = { 0xc1, 0x6a, 0x59, 0xe3 };
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static const uint8_t disconf[4] = { 0, 0, 0, 0 };
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@@ -56,7 +57,8 @@ void config_reg(struct spi_port *port, int cfgreg, int ena)
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#define FIRST_BASE 61
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#define SECOND_BASE 4
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-const int8_t counters[16] = { 64, 64,
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+static
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+const int8_t bitfury_counters[16] = { 64, 64,
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SECOND_BASE, SECOND_BASE+4, SECOND_BASE+2, SECOND_BASE+2+16, SECOND_BASE, SECOND_BASE+1,
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(FIRST_BASE)%65, (FIRST_BASE+1)%65, (FIRST_BASE+3)%65, (FIRST_BASE+3+16)%65, (FIRST_BASE+4)%65, (FIRST_BASE+4+4)%65, (FIRST_BASE+3+3)%65, (FIRST_BASE+3+1+3)%65};
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@@ -89,7 +91,8 @@ static const unsigned SHA_K[64] = {
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-void ms3_compute(unsigned *p)
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+static
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+void libbitfury_ms3_compute(unsigned *p)
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{
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unsigned a,b,c,d,e,f,g,h, ne, na, i;
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@@ -105,18 +108,20 @@ void ms3_compute(unsigned *p)
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p[15] = a; p[14] = b; p[13] = c; p[12] = d; p[11] = e; p[10] = f; p[9] = g; p[8] = h;
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}
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-void send_conf(struct spi_port *port) {
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+static
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+void bitfury_send_conf(struct spi_port *port) {
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int i;
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for (i = 7; i <= 11; ++i)
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- config_reg(port, i, 0);
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- config_reg(port, 6, 0); /* disable OUTSLK */
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- config_reg(port, 4, 1); /* Enable slow oscillator */
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+ bitfury_config_reg(port, i, 0);
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+ bitfury_config_reg(port, 6, 0); /* disable OUTSLK */
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+ bitfury_config_reg(port, 4, 1); /* Enable slow oscillator */
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for (i = 1; i <= 3; ++i)
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- config_reg(port, i, 0);
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- spi_emit_data(port, 0x0100, counters, 16); /* Program counters correctly for rounds processing, here baby should start consuming power */
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+ bitfury_config_reg(port, i, 0);
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+ spi_emit_data(port, 0x0100, bitfury_counters, 16); /* Program counters correctly for rounds processing, here baby should start consuming power */
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}
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-void send_init(struct spi_port *port) {
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+static
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+void bitfury_send_init(struct spi_port *port) {
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/* Prepare internal buffers */
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/* PREPARE BUFFERS (INITIAL PROGRAMMING) */
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unsigned w[16];
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@@ -126,7 +131,7 @@ void send_init(struct spi_port *port) {
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0x8a0bb7b7, 0x33af304f, 0x0b290c1a, 0xf0c4e61f, /* WDATA: hashMerleRoot[7], nTime, nBits, nNonce */
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};
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- ms3_compute(&atrvec[0]);
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+ libbitfury_ms3_compute(&atrvec[0]);
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memset(&w, 0, sizeof(w)); w[3] = 0xffffffff; w[4] = 0x80000000; w[15] = 0x00000280;
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spi_emit_data(port, 0x1000, w, 16*4);
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spi_emit_data(port, 0x1400, w, 8*4);
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@@ -135,47 +140,50 @@ void send_init(struct spi_port *port) {
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spi_emit_data(port, 0x3000, &atrvec[0], 19*4);
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}
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-void set_freq(struct spi_port *port, int bits) {
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+static
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+void bitfury_set_freq(struct spi_port *port, int bits) {
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uint64_t freq;
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const uint8_t *
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osc6 = (unsigned char *)&freq;
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freq = (1ULL << bits) - 1ULL;
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spi_emit_data(port, 0x6000, osc6, 8); /* Program internal on-die slow oscillator frequency */
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- config_reg(port, 4, 1); /* Enable slow oscillator */
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+ bitfury_config_reg(port, 4, 1); /* Enable slow oscillator */
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}
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-void send_reinit(struct spi_port *port, int slot, int chip_n, int n) {
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+void bitfury_send_reinit(struct spi_port *port, int slot, int chip_n, int n) {
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spi_clear_buf(port);
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spi_emit_break(port);
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spi_emit_fasync(port, chip_n);
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- set_freq(port, n);
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- send_conf(port);
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- send_init(port);
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+ bitfury_set_freq(port, n);
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+ bitfury_send_conf(port);
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+ bitfury_send_init(port);
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spi_txrx(port);
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}
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-void send_shutdown(struct spi_port *port, int slot, int chip_n) {
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+void bitfury_send_shutdown(struct spi_port *port, int slot, int chip_n) {
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spi_clear_buf(port);
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spi_emit_break(port);
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spi_emit_fasync(port, chip_n);
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- config_reg(port, 4, 0); /* Disable slow oscillator */
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+ bitfury_config_reg(port, 4, 0); /* Disable slow oscillator */
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spi_txrx(port);
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}
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-void send_freq(struct spi_port *port, int slot, int chip_n, int bits) {
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+void bitfury_send_freq(struct spi_port *port, int slot, int chip_n, int bits) {
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spi_clear_buf(port);
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spi_emit_break(port);
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spi_emit_fasync(port, chip_n);
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- set_freq(port, bits);
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+ bitfury_set_freq(port, bits);
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spi_txrx(port);
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}
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-unsigned int c_diff(unsigned ocounter, unsigned counter) {
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+static
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+unsigned int libbitfury_c_diff(unsigned ocounter, unsigned counter) {
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return counter > ocounter ? counter - ocounter : (0x003FFFFF - ocounter) + counter;
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}
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-int get_counter(unsigned int *newbuf, unsigned int *oldbuf) {
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+static
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+int libbitfury_get_counter(unsigned int *newbuf, unsigned int *oldbuf) {
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int j;
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for(j = 0; j < 16; j++) {
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if (newbuf[j] != oldbuf[j]) {
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@@ -189,7 +197,8 @@ int get_counter(unsigned int *newbuf, unsigned int *oldbuf) {
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return 0;
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}
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-int detect_chip(struct spi_port *port, int chip_n) {
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+static
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+int libbitfury_detect_chip(struct spi_port *port, int chip_n) {
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/* Test vectors to calculate (using address-translated loads) */
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unsigned atrvec[] = {
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0xb0e72d8e, 0x1dc5b862, 0xe9e7c4a6, 0x3050f1f5, 0x8a1a6b7e, 0x7ec384e8, 0x42c1c3fc, 0x8ed158a1, /* MIDSTATE */
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@@ -220,17 +229,17 @@ int detect_chip(struct spi_port *port, int chip_n) {
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memset(newbuf, 0, 17 * 4);
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memset(oldbuf, 0, 17 * 4);
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- ms3_compute(&atrvec[0]);
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- ms3_compute(&atrvec[20]);
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- ms3_compute(&atrvec[40]);
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+ libbitfury_ms3_compute(&atrvec[0]);
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+ libbitfury_ms3_compute(&atrvec[20]);
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+ libbitfury_ms3_compute(&atrvec[40]);
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spi_clear_buf(port);
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spi_emit_break(port); /* First we want to break chain! Otherwise we'll get all of traffic bounced to output */
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spi_emit_fasync(port, chip_n);
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- set_freq(port, 52); //54 - 3F, 53 - 1F
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- send_conf(port);
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- send_init(port);
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+ bitfury_set_freq(port, 52); //54 - 3F, 53 - 1F
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+ bitfury_send_conf(port);
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+ bitfury_send_init(port);
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spi_txrx(port);
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ocounter = 0;
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@@ -244,9 +253,9 @@ int detect_chip(struct spi_port *port, int chip_n) {
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spi_txrx(port);
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memcpy(newbuf, spi_getrxbuf(port) + 4 + chip_n, 17*4);
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- counter = get_counter(newbuf, oldbuf);
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+ counter = libbitfury_get_counter(newbuf, oldbuf);
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if (ocounter) {
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- unsigned int cdiff = c_diff(ocounter, counter);
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+ unsigned int cdiff = libbitfury_c_diff(ocounter, counter);
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if (cdiff > 5000 && cdiff < 100000 && odiff > 5000 && odiff < 100000)
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return 1;
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@@ -264,7 +273,7 @@ int detect_chip(struct spi_port *port, int chip_n) {
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int libbitfury_detectChips1(struct spi_port *port) {
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int n;
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- for (n = 0; detect_chip(port, n); ++n)
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+ for (n = 0; libbitfury_detect_chip(port, n); ++n)
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{}
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return n;
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}
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@@ -293,7 +302,8 @@ unsigned bitfury_decnonce(unsigned in)
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return out;
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}
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-int rehash(const void *midstate, const uint32_t m7, const uint32_t ntime, const uint32_t nbits, uint32_t nnonce) {
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+static
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+int libbitfury_rehash(const void *midstate, const uint32_t m7, const uint32_t ntime, const uint32_t nbits, uint32_t nnonce) {
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unsigned char in[16];
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unsigned int *in32 = (unsigned int *)in;
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unsigned int *mid32 = (unsigned int *)midstate;
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@@ -343,7 +353,7 @@ bool bitfury_fudge_nonce(const void *midstate, const uint32_t m7, const uint32_t
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for (i = 0; i < 6; ++i)
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{
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nonce = *nonce_p + offsets[i];
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- if (rehash(midstate, m7, ntime, nbits, nonce))
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+ if (libbitfury_rehash(midstate, m7, ntime, nbits, nonce))
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{
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*nonce_p = nonce;
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return true;
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@@ -352,7 +362,7 @@ bool bitfury_fudge_nonce(const void *midstate, const uint32_t m7, const uint32_t
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return false;
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}
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-void work_to_payload(struct bitfury_payload *p, struct work *w) {
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+void work_to_bitfury_payload(struct bitfury_payload *p, struct work *w) {
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unsigned char flipped_data[80];
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memset(p, 0, sizeof(struct bitfury_payload));
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@@ -364,9 +374,9 @@ void work_to_payload(struct bitfury_payload *p, struct work *w) {
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p->nbits = bswap_32(*(unsigned *)(flipped_data + 72));
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}
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-void payload_to_atrvec(uint32_t *atrvec, struct bitfury_payload *p)
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+void bitfury_payload_to_atrvec(uint32_t *atrvec, struct bitfury_payload *p)
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{
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/* Programming next value */
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memcpy(atrvec, p, 20*4);
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- ms3_compute(atrvec);
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+ libbitfury_ms3_compute(atrvec);
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}
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