From 0583c22cdfb71cb43153cf7c17aa775ae660f96c Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Fri, 19 Feb 2010 12:23:16 -0500
Subject: Add intel_bios_dumper from the 2D driver.  Last of the tools,
 finally!

---
 .gitignore                |   1 +
 tools/Makefile.am         |   5 ++-
 tools/intel_bios_dumper.c | 107 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 111 insertions(+), 2 deletions(-)
 create mode 100644 tools/intel_bios_dumper.c

diff --git a/.gitignore b/.gitignore
index 73fb88bf..ea2ac843 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,4 +58,5 @@ tools/intel_reg_write
 tools/intel_stepping
 tools/intel_audio_dump
 tools/intel_reg_read
+tools/intel_bios_dumper
 tools/intel_bios_reader
diff --git a/tools/Makefile.am b/tools/Makefile.am
index a825d5ba..659f0161 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -1,5 +1,7 @@
 bin_PROGRAMS = \
 	intel_audio_dump \
+	intel_bios_dumper \
+	intel_bios_reader \
 	intel_error_decode \
 	intel_gpu_dump \
 	intel_gpu_top \
@@ -9,8 +11,7 @@ bin_PROGRAMS = \
 	intel_stepping \
 	intel_reg_dumper \
 	intel_reg_write \
-	intel_reg_read \
-	intel_bios_reader
+	intel_reg_read
 
 intel_gpu_dump_SOURCES = \
 	intel_gpu_dump.c \
diff --git a/tools/intel_bios_dumper.c b/tools/intel_bios_dumper.c
new file mode 100644
index 00000000..53293ebd
--- /dev/null
+++ b/tools/intel_bios_dumper.c
@@ -0,0 +1,107 @@
+/*
+ * 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/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+#include <pciaccess.h>
+#include <err.h>
+
+#ifndef DEFFILEMODE
+#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)	/* 0666 */
+#endif
+
+static void usage(void)
+{
+	fprintf(stderr, "usage: bios_dumper <filename>\n");
+	exit(1);
+}
+
+int main(int argc, char **argv)
+{
+	struct pci_device *dev;
+	void *bios;
+	int err, fd;
+
+	if (argc != 2)
+		usage();
+
+	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");
+
+	bios = malloc(dev->rom_size);
+	if (bios == NULL)
+		errx(1, "Couldn't allocate memory for BIOS data\n");
+
+	err = pci_device_read_rom(dev, bios);
+	if (err != 0) {
+		fprintf(stderr, "Couldn't read graphics card ROM: %s\n",
+			strerror(err));
+		exit(1);
+	}
+
+	fd = open(argv[1], O_RDWR | O_CREAT | O_TRUNC, DEFFILEMODE);
+	if (fd < 0) {
+		fprintf(stderr, "Couldn't open output: %s\n", strerror(errno));
+		exit(1);
+	}
+
+	if (write(fd, bios, dev->rom_size) < dev->rom_size) {
+		fprintf(stderr, "Couldn't write BIOS data: %s\n",
+			strerror(errno));
+		exit(1);
+	}
+
+	close(fd);
+	pci_system_cleanup();
+
+	return 0;
+}
-- 
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