From 3bef1cab9b21bda4c53f349223a7c85a62f2ca17 Mon Sep 17 00:00:00 2001
From: kremlin <ian@kremlin.cc>
Date: Wed, 20 Jan 2016 19:54:56 -0500
Subject: [PATCH] add simple pru loader

---
 src/pru_loader.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/pru_loader.c

diff --git a/src/pru_loader.c b/src/pru_loader.c
new file mode 100644
index 0000000..e0e9c17
--- /dev/null
+++ b/src/pru_loader.c
@@ -0,0 +1,63 @@
+/* 
+ * Copyright (c) 2016, Ian Sutton <ian@kremlin.cc>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <pruss/prussdrv.h>
+#include <pruss/pruss_intc_mapping.h>
+
+int main(int argc, char *argv[]) {
+
+	tpruss_intc_initdata init_data = PRUSS_INTC_INITDATA;
+
+	if(argc < 2) {
+	    printf("usage: %s <obj>\n", argv[0]);
+	    return EINVAL;
+	} else if(geteuid()) {
+	    printf("%s\n", "run as root");
+	    return EACCES;
+	}
+
+	/* init pru drv */
+	if(prussdrv_init())
+	    return ENXIO;
+
+	/* open, bind intr */
+	if(prussdrv_open(PRU_EVTOUT0))
+	    return ENXIO;
+	if(prussdrv_pruintc_init(&init_data))
+	    return ENXIO;
+
+	/* exec */
+	if(prussdrv_exec_program(0, argv[1]))
+	    return ENXIO;
+
+	/* block until intr */
+	prussdrv_pru_wait_event(PRU_EVTOUT_0);
+
+	/* clean up, halt & disable pru, terminate pru drv */
+	prussdrv_pru_clear_event(PRU_EVTOUT_0, PRU0_ARM_INTERRUPT);
+	prussdrv_pru_disable(0);
+	prussdrv_exit();
+
+	return 0;
+}
+
-- 
2.41.0