* kern/sparc64/ieee1275/openfw.c: Unused, delete.
This commit is contained in:
davem
parent
a1447506fe
commit
c8c08833e3
2 changed files with 4 additions and 373 deletions
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@ -1,3 +1,7 @@
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2009-04-23 David S. Miller <davem@davemloft.net>
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* kern/sparc64/ieee1275/openfw.c: Unused, delete.
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2009-04-22 David S. Miller <davem@davemloft.net>
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* kern/ieee1275/mmap.c (grub_machine_mmap_iterate): If size_cells
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@ -1,373 +0,0 @@
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/* openfw.c -- Open firmware support functions. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <grub/err.h>
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#include <grub/misc.h>
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#include <grub/mm.h>
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#include <grub/machine/kernel.h> /* Needed ? */
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#include <grub/ieee1275/ieee1275.h>
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enum grub_ieee1275_parse_type
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{
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GRUB_PARSE_FILENAME,
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GRUB_PARSE_PARTITION,
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};
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/* Walk children of 'devpath', calling hook for each. */
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grub_err_t
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grub_children_iterate (char *devpath,
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int (*hook) (struct grub_ieee1275_devalias *alias))
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{
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grub_ieee1275_phandle_t dev;
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grub_ieee1275_phandle_t child;
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grub_ieee1275_finddevice (devpath, &dev);
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if (((signed) dev) == -1)
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return grub_error (GRUB_ERR_UNKNOWN_DEVICE, "Unknown device");
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grub_ieee1275_child (dev, &child);
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if (((signed) child) == -1)
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return grub_error (GRUB_ERR_BAD_DEVICE, "Device has no children");
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do
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{
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/* XXX: Don't use hardcoded path lengths. */
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char childtype[64];
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char childpath[64];
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char childname[64];
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char fullname[64];
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struct grub_ieee1275_devalias alias;
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grub_ssize_t actual;
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grub_ieee1275_get_property (child, "device_type", childtype,
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sizeof childtype, &actual);
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if (actual == -1)
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continue;
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grub_ieee1275_package_to_path (child, childpath, sizeof childpath,
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&actual);
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if (actual == -1)
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continue;
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grub_ieee1275_get_property (child, "name", childname,
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sizeof childname, &actual);
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if (actual == -1)
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continue;
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grub_sprintf (fullname, "%s/%s", devpath, childname);
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alias.type = childtype;
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alias.path = childpath;
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alias.name = fullname;
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hook (&alias);
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}
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while (grub_ieee1275_peer (child, &child));
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return 0;
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}
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/* Iterate through all device aliases. This function can be used to
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find a device of a specific type. */
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grub_err_t
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grub_devalias_iterate (int (*hook) (struct grub_ieee1275_devalias *alias))
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{
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grub_ieee1275_phandle_t devalias;
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char aliasname[32];
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grub_ssize_t actual;
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grub_ieee1275_cell_t flags;
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struct grub_ieee1275_devalias alias;
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if (grub_ieee1275_finddevice ("/aliases", &devalias))
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return -1;
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aliasname[0] = '\0';
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while (grub_ieee1275_next_property (devalias, aliasname, aliasname, &flags) != -1
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&& ((signed) flags) != -1 )
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{
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grub_ieee1275_phandle_t dev;
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grub_ssize_t pathlen, typelen;
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char *devpath, *devtype;
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grub_dprintf ("devalias", "devalias name = %s\n", aliasname);
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/* The property `name' is a special case we should skip. */
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if (!grub_strcmp (aliasname, "name"))
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continue;
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grub_ieee1275_get_property_length (devalias, aliasname, &pathlen);
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devpath = grub_malloc (pathlen);
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if (! devpath)
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return grub_errno;
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if (grub_ieee1275_get_property (devalias, aliasname, devpath, pathlen,
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&actual))
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{
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grub_dprintf ("devalias", "get_property (%s) failed\n", aliasname);
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grub_free (devpath);
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continue;
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}
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if (grub_ieee1275_finddevice (devpath, &dev) || ((signed) dev) == -1)
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{
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grub_dprintf ("devalias", "finddevice (%s) failed\n", devpath);
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grub_free (devpath);
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continue;
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}
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grub_ieee1275_get_property_length (dev, "device_type", &typelen);
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devtype = grub_malloc (typelen);
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if (! devtype)
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{
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grub_free (devpath);
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return grub_errno;
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}
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if (grub_ieee1275_get_property (dev, "device_type", devtype, typelen, &actual))
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{
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grub_dprintf ("devalias", "get device type failed\n");
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grub_free (devtype);
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grub_free (devpath);
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continue;
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}
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alias.name = aliasname;
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alias.path= devpath;
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alias.type = devtype;
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if((*hook) (&alias))
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{
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grub_free (devtype);
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grub_free (devpath);
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break;
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}
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grub_free (devtype);
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grub_free (devpath);
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}
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return 0;
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}
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/* FIXME (sparc64) */
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#if 0
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/* Call the "map" method of /chosen/mmu. */
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static int
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grub_map (grub_addr_t phys, grub_addr_t virt, grub_uint32_t size,
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grub_uint8_t mode)
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{
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struct map_args {
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struct grub_ieee1275_common_hdr common;
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char *method;
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grub_ieee1275_ihandle_t ihandle;
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grub_uint32_t mode;
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grub_uint32_t size;
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grub_uint32_t virt;
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grub_uint32_t phys;
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int catch_result;
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} args;
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grub_ieee1275_ihandle_t mmu;
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grub_ssize_t len;
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grub_ieee1275_get_integer_property (grub_ieee1275_chosen, "mmu", &mmu, sizeof mmu,
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&len);
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if (len != sizeof mmu)
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return -1;
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INIT_IEEE1275_COMMON (&args.common, "call-method", 6, 1);
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args.method = "map";
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args.ihandle = mmu;
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args.phys = phys;
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args.virt = virt;
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args.size = size;
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args.mode = mode; /* Format is WIMG0PP. */
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if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
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return -1;
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return args.catch_result;
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}
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#endif
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int
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grub_claimmap (grub_addr_t addr, grub_size_t size)
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{
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if (grub_ieee1275_claim (addr, size, 0, 0))
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return -1;
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return 0;
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}
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/* Get the device arguments of the Open Firmware node name `path'. */
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static char *
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grub_ieee1275_get_devargs (const char *path)
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{
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char *colon = grub_strchr (path, ':');
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if (! colon)
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return 0;
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return grub_strdup (colon + 1);
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}
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/* Get the device path of the Open Firmware node name `path'. */
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static char *
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grub_ieee1275_get_devname (const char *path)
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{
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char *colon = grub_strchr (path, ':');
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char *newpath = 0;
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int pathlen = grub_strlen (path);
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auto int match_alias (struct grub_ieee1275_devalias *alias);
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int match_alias (struct grub_ieee1275_devalias *curalias)
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{
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/* briQ firmware can change capitalization in /chosen/bootpath. */
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if (! grub_strncasecmp (curalias->path, path, pathlen))
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{
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newpath = grub_strndup (curalias->name, grub_strlen (curalias->name));
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return 1;
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}
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return 0;
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}
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if (colon)
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pathlen = (int)(colon - path);
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/* Try to find an alias for this device. */
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grub_devalias_iterate (match_alias);
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if (! newpath)
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newpath = grub_strdup (path);
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return newpath;
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}
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static char *
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grub_ieee1275_parse_args (const char *path, enum grub_ieee1275_parse_type ptype)
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{
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char type[64]; /* XXX check size. */
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char *device = grub_ieee1275_get_devname (path);
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char *args = grub_ieee1275_get_devargs (path);
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char *ret = 0;
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grub_ieee1275_phandle_t dev;
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if (!args)
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/* Shouldn't happen. */
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return 0;
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/* We need to know what type of device it is in order to parse the full
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file path properly. */
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if (grub_ieee1275_finddevice (device, &dev))
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{
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grub_error (GRUB_ERR_UNKNOWN_DEVICE, "Device %s not found\n", device);
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goto fail;
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}
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if (grub_ieee1275_get_property (dev, "device_type", type, sizeof type, 0))
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{
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grub_error (GRUB_ERR_UNKNOWN_DEVICE,
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"Device %s lacks a device_type property\n", device);
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goto fail;
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}
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if (!grub_strcmp ("block", type))
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{
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/* The syntax of the device arguments is defined in the CHRP and PReP
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IEEE1275 bindings: "[partition][,[filename]]". */
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char *comma = grub_strchr (args, ',');
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if (ptype == GRUB_PARSE_FILENAME)
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{
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if (comma)
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{
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char *filepath = comma + 1;
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ret = grub_malloc (grub_strlen (filepath) + 1);
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/* Make sure filepath has leading backslash. */
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if (filepath[0] != '\\')
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grub_sprintf (ret, "\\%s", filepath);
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else
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grub_strcpy (ret, filepath);
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}
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}
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else if (ptype == GRUB_PARSE_PARTITION)
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{
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if (!comma)
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ret = grub_strdup (args);
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else
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ret = grub_strndup (args, (grub_size_t)(comma - args));
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}
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}
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else
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{
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/* XXX Handle net devices by configuring & registering a grub_net_dev
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here, then return its name?
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Example path: "net:<server ip>,<file name>,<client ip>,<gateway
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ip>,<bootp retries>,<tftp retries>". */
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grub_printf ("Unsupported type %s for device %s\n", type, device);
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}
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fail:
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grub_free (device);
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grub_free (args);
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return ret;
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}
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char *
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grub_ieee1275_get_filename (const char *path)
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{
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return grub_ieee1275_parse_args (path, GRUB_PARSE_FILENAME);
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}
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/* Convert a device name from IEEE1275 syntax to GRUB syntax. */
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char *
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grub_ieee1275_encode_devname (const char *path)
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{
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char *device = grub_ieee1275_get_devname (path);
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char *partition = grub_ieee1275_parse_args (path, GRUB_PARSE_PARTITION);
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char *encoding;
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if (partition)
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{
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unsigned int partno = grub_strtoul (partition, 0, 0);
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/* Assume partno will require less than five bytes to encode. */
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encoding = grub_malloc (grub_strlen (device) + 3 + 5);
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grub_sprintf (encoding, "(%s,%d)", device, partno);
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}
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else
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{
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encoding = grub_malloc (grub_strlen (device) + 2);
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grub_sprintf (encoding, "(%s)", device);
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}
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grub_free (partition);
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grub_free (device);
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return encoding;
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}
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void
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grub_reboot (void)
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{
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grub_ieee1275_interpret ("reset-all", 0);
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}
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void
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grub_halt (void)
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{
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grub_ieee1275_interpret ("power-off", 0);
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}
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