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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 13:37:27 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-31 13:37:27 +1100
commit8af03e782cae1e0a0f530ddd22301cdd12cf9dc0 (patch)
treec4af13a38bd3cc1a811a37f2358491f171052070 /arch/powerpc/boot/dtc-src/fstree.c
parent6232665040f9a23fafd9d94d4ae8d5a2dc850f65 (diff)
parent99e139126ab2e84be67969650f92eb37c12ab5cd (diff)
downloadop-kernel-dev-8af03e782cae1e0a0f530ddd22301cdd12cf9dc0.zip
op-kernel-dev-8af03e782cae1e0a0f530ddd22301cdd12cf9dc0.tar.gz
Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (454 commits) [POWERPC] Cell IOMMU fixed mapping support [POWERPC] Split out the ioid fetching/checking logic [POWERPC] Add support to cell_iommu_setup_page_tables() for multiple windows [POWERPC] Split out the IOMMU logic from cell_dma_dev_setup() [POWERPC] Split cell_iommu_setup_hardware() into two parts [POWERPC] Split out the logic that allocates struct iommus [POWERPC] Allocate the hash table under 1G on cell [POWERPC] Add set_dma_ops() to match get_dma_ops() [POWERPC] 83xx: Clean up / convert mpc83xx board DTS files to v1 format. [POWERPC] 85xx: Only invalidate TLB0 and TLB1 [POWERPC] 83xx: Fix typo in mpc837x compatible entries [POWERPC] 85xx: convert sbc85* boards to use machine_device_initcall [POWERPC] 83xx: rework platform Kconfig [POWERPC] 85xx: rework platform Kconfig [POWERPC] 86xx: Remove unused IRQ defines [POWERPC] QE: Explicitly set address-cells and size cells for muram [POWERPC] Convert StorCenter DTS file to /dts-v1/ format. [POWERPC] 86xx: Convert all 86xx DTS files to /dts-v1/ format. [PPC] Remove 85xx from arch/ppc [PPC] Remove 83xx from arch/ppc ...
Diffstat (limited to 'arch/powerpc/boot/dtc-src/fstree.c')
-rw-r--r--arch/powerpc/boot/dtc-src/fstree.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dtc-src/fstree.c b/arch/powerpc/boot/dtc-src/fstree.c
new file mode 100644
index 0000000..2a160a4
--- /dev/null
+++ b/arch/powerpc/boot/dtc-src/fstree.c
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
+ *
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include "dtc.h"
+
+#include <dirent.h>
+#include <sys/stat.h>
+
+static struct node *read_fstree(const char *dirname)
+{
+ DIR *d;
+ struct dirent *de;
+ struct stat st;
+ struct node *tree;
+
+ d = opendir(dirname);
+ if (! d)
+ die("opendir(): %s\n", strerror(errno));
+
+ tree = build_node(NULL, NULL);
+
+ while ((de = readdir(d)) != NULL) {
+ char *tmpnam;
+
+ if (streq(de->d_name, ".")
+ || streq(de->d_name, ".."))
+ continue;
+
+ tmpnam = join_path(dirname, de->d_name);
+
+ if (lstat(tmpnam, &st) < 0)
+ die("stat(%s): %s\n", tmpnam, strerror(errno));
+
+ if (S_ISREG(st.st_mode)) {
+ struct property *prop;
+ FILE *pfile;
+
+ pfile = fopen(tmpnam, "r");
+ if (! pfile) {
+ fprintf(stderr,
+ "WARNING: Cannot open %s: %s\n",
+ tmpnam, strerror(errno));
+ } else {
+ prop = build_property(strdup(de->d_name),
+ data_copy_file(pfile,
+ st.st_size),
+ NULL);
+ add_property(tree, prop);
+ fclose(pfile);
+ }
+ } else if (S_ISDIR(st.st_mode)) {
+ struct node *newchild;
+
+ newchild = read_fstree(tmpnam);
+ newchild = name_node(newchild, strdup(de->d_name),
+ NULL);
+ add_child(tree, newchild);
+ }
+
+ free(tmpnam);
+ }
+
+ return tree;
+}
+
+struct boot_info *dt_from_fs(const char *dirname)
+{
+ struct node *tree;
+
+ tree = read_fstree(dirname);
+ tree = name_node(tree, "", NULL);
+
+ fill_fullpaths(tree, "");
+
+ return build_boot_info(NULL, tree);
+}
+
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