latest td host code and bitstream

truss_decomposition/td_v3/Makefile

@@ -0,0 +1,5 @@
+all:
+	g++ -O3 td.cpp -std=c++11 -o td -lsds_lib
+
+clean:
+	rm -rf td

truss_decomposition/td_v3/libxlnk_cma.h

@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+// kernel buffer pool
+#define XLNK_BUFPOOL_SIZE 100
+
+#define XLNK_DRIVER_PATH "/dev/xlnk"
+
+// counter of buffer currently instantiated
+static uint32_t xlnkBufCnt = 0;
+// virtual address of buffer
+static void *xlnkBufPool[2 * XLNK_BUFPOOL_SIZE];
+// length in bytes of buffer
+static size_t xlnkBufLens[2 * XLNK_BUFPOOL_SIZE];
+// physical address of buffer
+static uint32_t xlnkBufPhyPool[2 * XLNK_BUFPOOL_SIZE];
+
+/*
+ * Get the virtual address referencing the physical address resulting from
+ * mmaping /dev/mem.
+ * Required to use bare-metal drivers on linux. Return -1 in case of error.
+ */
+unsigned long cma_mmap(unsigned long phyAddr, uint32_t len);
+/*
+ * Unmap a previously mapped memory space.
+ */
+uint32_t cma_munmap(void *buf, uint32_t len);
+/*
+ * Allocate a physically contiguos chunk of CMA memory and map it into
+ * virtual memory space. Return this Virtual pointer. Returns -1 on failure.
+ */
+void *cma_alloc(uint32_t len, uint32_t cacheable);
+/*
+ * Return a physical memory address corresponding to a given Virtual address
+ * pointer. Returns NULL on failure.
+ */
+unsigned long cma_get_phy_addr(void *buf);
+/*
+ * Free a previously allocated CMA memory chunk.
+ */
+void cma_free(void *buf);
+/*
+ * Returns the number of available CMA memiry pages which can be allocated.
+ */
+uint32_t cma_pages_available();
+/*
+ * Extra functions in case user needs to flush or invalidate Cache.
+ */
+void cma_flush_cache(void *buf, unsigned int phys_addr, int size);
+void cma_invalidate_cache(void *buf, unsigned int phys_addr, int size);