Add a little program to dump out the first 64 dwords of the status page.

1 files changed, 81 insertions, 0 deletions

diff --git a/src/reg_dumper/statuspage.c b/src/reg_dumper/statuspage.c
new file mode 100644
index 00000000..d6106a5a
--- /dev/null
+++ b/src/reg_dumper/statuspage.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright © 2007 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <pciaccess.h>
+#include <err.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "reg_dumper.h"
+#include "../i810_reg.h"
+
+int main(int argc, char **argv)
+{
+    I830Rec i830;
+    I830Ptr pI830 = &i830;
+    int devmem;
+    uint32_t hws_offset;
+    volatile uint32_t *hws;
+
+    intel_i830rec_init(pI830);
+
+    if (HWS_NEED_GFX(pI830))
+	errx(1, "status page in graphics virtual unsupported.\n");
+
+    hws_offset = INREG(HWS_PGA);
+
+    devmem = open("/dev/mem", O_RDWR, 0);
+    if (devmem == -1)
+	err(1, "Couldn't open /dev/mem");
+
+    hws = mmap(NULL, 4096, PROT_READ, MAP_SHARED, devmem, hws_offset);
+    if (hws == MAP_FAILED)
+	err(1, "Couldn't map /dev/mem at 0x%08x", hws_offset);
+
+    close(devmem);
+
+    for (;;) {
+	int i;
+
+	printf("\n");
+
+	for (i = 0; i < 64; i += 4) {
+	    printf("0x%04x: 0x%08x 0x%08x 0x%08x 0x%08x\n", i * 4,
+		   hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
+	}
+
+	sleep(1);
+    }
+
+    return 0;
+}