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

5 files changed, 176 insertions, 1 deletions

diff --git a/src/i810_reg.h b/src/i810_reg.h
index 279677c7..d8e0cb2c 100644
--- a/src/i810_reg.h
+++ b/src/i810_reg.h
@@ -491,6 +491,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *   - new bits for i810
  *   - new register hwstam (mask)
  */
+#define HWS_PGA		     0x2080
 #define PWRCTXA		     0x2088 /* 965GM+ only */
 #define   PWRCTX_EN	     (1<<0)
 #define HWSTAM               0x2098 /* p290 */
diff --git a/src/reg_dumper/Makefile.am b/src/reg_dumper/Makefile.am
index b840b244..1c8db204 100644
--- a/src/reg_dumper/Makefile.am
+++ b/src/reg_dumper/Makefile.am
@@ -1,4 +1,4 @@
-noinst_PROGRAMS = intel_reg_dumper intel_idle intel_stepping
+noinst_PROGRAMS = intel_reg_dumper intel_idle intel_stepping intel_statuspage
 
 intel_reg_dumper_SOURCES = \
 	main.c \
@@ -15,9 +15,15 @@ intel_idle_SOURCES = \
 intel_stepping_SOURCES = \
 	stepping.c
 
+intel_statuspage_SOURCES = \
+	statuspage.c \
+	reg_dumper.h \
+	util.c
+
 intel_reg_dumper_LDADD = $(PCIACCESS_LIBS)
 intel_idle_LDADD = $(PCIACCESS_LIBS)
 intel_stepping_LDADD = $(PCIACCESS_LIBS)
+intel_statuspage_LDADD = $(PCIACCESS_LIBS)
 
 AM_CFLAGS = $(PCIACCESS_CFLAGS) $(WARN_CFLAGS) \
 	-I$(srcdir)/.. -DREG_DUMPER
diff --git a/src/reg_dumper/reg_dumper.h b/src/reg_dumper/reg_dumper.h
index 9a723b9b..241b2419 100644
--- a/src/reg_dumper/reg_dumper.h
+++ b/src/reg_dumper/reg_dumper.h
@@ -88,3 +88,4 @@ typedef struct _scrn {
 char *XNFprintf(const char *format, ...);
 void xf86DrvMsg(int scrnIndex, int severity, const char *format, ...);
 void i830DumpRegs(ScrnInfoPtr pScrn);
+void intel_i830rec_init(I830Ptr pI830);
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;
+}
diff --git a/src/reg_dumper/util.c b/src/reg_dumper/util.c
new file mode 100644
index 00000000..6dd1e487
--- /dev/null
+++ b/src/reg_dumper/util.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright © 2008 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>
+ *
+ */
+
+/** @file util.c
+ *
+ * Utility functions for the various tools in the reg_dumper directory.
+ */
+
+#include <err.h>
+#include <pciaccess.h>
+
+#include "reg_dumper.h"
+
+/**
+ * Sets up the pI830 for use by common.h-style macros, particularly
+ * INREG/OUTERG.
+ */
+void intel_i830rec_init(I830Ptr pI830)
+{
+    struct pci_device *dev;
+    int err, mmio_bar;
+    void *mmio;
+
+    err = pci_system_init();
+    if (err != 0) {
+	fprintf(stderr, "Couldn't initialize PCI system: %s\n", strerror(err));
+	exit(1);
+    }
+
+    /* Grab the graphics card */
+    dev = pci_device_find_by_slot(0, 0, 2, 0);
+    if (dev == NULL)
+	errx(1, "Couldn't find graphics card");
+
+    err = pci_device_probe(dev);
+    if (err != 0) {
+	fprintf(stderr, "Couldn't probe graphics card: %s\n", strerror(err));
+	exit(1);
+    }
+
+    if (dev->vendor_id != 0x8086)
+	errx(1, "Graphics card is non-intel");
+
+    pI830->PciInfo = &pI830->pci_info_rec;
+    pI830->PciInfo->chipType = dev->device_id;
+
+    pI830->pci_dev = dev;
+
+    mmio_bar = IS_I9XX(pI830) ? 0 : 1;
+
+    err = pci_device_map_range (dev,
+				dev->regions[mmio_bar].base_addr,
+				dev->regions[mmio_bar].size,
+				PCI_DEV_MAP_FLAG_WRITABLE,
+				&mmio);
+
+    if (err != 0) {
+	fprintf(stderr, "Couldn't map MMIO region: %s\n", strerror(err));
+	exit(1);
+    }
+    pI830->mmio = mmio;
+}