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90ec4b7f6c
of GRUB_IEEE1275_FLAG_FORCE_CLAIM. * grub-core/loader/powerpc/ieee1275/linux.c (grub_linux_claimmap_iterate): Handle GRUB_IEEE1275_FLAG_FORCE_CLAIM.
238 lines
9.1 KiB
C
238 lines
9.1 KiB
C
/* ieee1275.h - Access the Open Firmware client interface. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2003,2004,2005,2007,2008,2009 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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#ifndef GRUB_IEEE1275_HEADER
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#define GRUB_IEEE1275_HEADER 1
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#include <grub/err.h>
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#include <grub/types.h>
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#include <grub/machine/ieee1275.h>
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struct grub_ieee1275_mem_region
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{
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unsigned int start;
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unsigned int size;
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};
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#define IEEE1275_MAX_PROP_LEN 8192
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#define IEEE1275_MAX_PATH_LEN 256
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#ifndef IEEE1275_CALL_ENTRY_FN
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#define IEEE1275_CALL_ENTRY_FN(args) (*grub_ieee1275_entry_fn) (args)
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#endif
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/* All backcalls to the firmware is done by calling an entry function
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which was passed to us from the bootloader. When doing the backcall,
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a structure is passed which specifies what the firmware should do.
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NAME is the requested service. NR_INS and NR_OUTS is the number of
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passed arguments and the expected number of return values, resp. */
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struct grub_ieee1275_common_hdr
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{
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grub_ieee1275_cell_t name;
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grub_ieee1275_cell_t nr_ins;
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grub_ieee1275_cell_t nr_outs;
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};
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#define INIT_IEEE1275_COMMON(p, xname, xins, xouts) \
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(p)->name = (grub_ieee1275_cell_t) xname; \
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(p)->nr_ins = (grub_ieee1275_cell_t) xins; \
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(p)->nr_outs = (grub_ieee1275_cell_t) xouts
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typedef grub_uint32_t grub_ieee1275_ihandle_t;
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typedef grub_uint32_t grub_ieee1275_phandle_t;
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#define GRUB_IEEE1275_PHANDLE_INVALID ((grub_ieee1275_phandle_t) -1)
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struct grub_ieee1275_devalias
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{
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char *name;
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char *path;
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char *type;
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char *parent_path;
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grub_ieee1275_phandle_t phandle;
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grub_ieee1275_phandle_t parent_dev;
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};
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extern void (*EXPORT_VAR(grub_ieee1275_net_config)) (const char *dev,
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char **device,
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char **path);
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/* Maps a device alias to a pathname. */
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extern grub_ieee1275_phandle_t EXPORT_VAR(grub_ieee1275_chosen);
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extern grub_ieee1275_ihandle_t EXPORT_VAR(grub_ieee1275_mmu);
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extern int (* EXPORT_VAR(grub_ieee1275_entry_fn)) (void *);
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/* Static heap, used only if FORCE_CLAIM is set,
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happens on Open Hack'Ware. Should be in platform-specific
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header but is used only on PPC anyway.
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*/
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#define GRUB_IEEE1275_STATIC_HEAP_START 0x1000000
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#define GRUB_IEEE1275_STATIC_HEAP_LEN 0x1000000
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enum grub_ieee1275_flag
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{
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/* Old World Macintosh firmware fails seek when "dev:0" is opened. */
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GRUB_IEEE1275_FLAG_NO_PARTITION_0,
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/* Apple firmware runs in translated mode and requires use of the "map"
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method. Other firmware runs in untranslated mode and doesn't like "map"
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calls. */
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GRUB_IEEE1275_FLAG_REAL_MODE,
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/* CHRP specifies partitions are numbered from 1 (partition 0 refers to the
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whole disk). However, CodeGen firmware numbers partitions from 0. */
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GRUB_IEEE1275_FLAG_0_BASED_PARTITIONS,
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/* CodeGen firmware does not correctly implement "output-device output" */
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GRUB_IEEE1275_FLAG_BROKEN_OUTPUT,
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/* OLPC / XO firmware hangs when accessing USB devices. */
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GRUB_IEEE1275_FLAG_OFDISK_SDCARD_ONLY,
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/* Open Hack'Ware stops when trying to set colors */
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GRUB_IEEE1275_FLAG_CANNOT_SET_COLORS,
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/* Open Hack'Ware stops when grub_ieee1275_interpret is used. */
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GRUB_IEEE1275_FLAG_CANNOT_INTERPRET,
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/* Open Hack'Ware has no memory map, just claim what we need. */
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GRUB_IEEE1275_FLAG_FORCE_CLAIM,
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/* Open Hack'Ware don't support the ANSI sequence. */
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GRUB_IEEE1275_FLAG_NO_ANSI,
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/* OpenFirmware hangs on qemu if one requests any memory below 1.5 MiB. */
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GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM,
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/* OLPC / XO firmware has the cursor ON/OFF routines. */
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GRUB_IEEE1275_FLAG_HAS_CURSORONOFF,
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/* Some PowerMacs claim to use 2 address cells but in fact use only 1.
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Other PowerMacs claim to use only 1 and really do so. Always assume
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1 address cell is used on PowerMacs.
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*/
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GRUB_IEEE1275_FLAG_BROKEN_ADDRESS_CELLS,
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GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS,
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GRUB_IEEE1275_FLAG_NO_OFNET_SUFFIX,
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GRUB_IEEE1275_FLAG_VIRT_TO_REAL_BROKEN,
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GRUB_IEEE1275_FLAG_BROKEN_REPEAT,
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GRUB_IEEE1275_FLAG_CURSORONOFF_ANSI_BROKEN,
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};
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extern int EXPORT_FUNC(grub_ieee1275_test_flag) (enum grub_ieee1275_flag flag);
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extern void EXPORT_FUNC(grub_ieee1275_set_flag) (enum grub_ieee1275_flag flag);
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void EXPORT_FUNC(grub_ieee1275_init) (void);
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int EXPORT_FUNC(grub_ieee1275_finddevice) (const char *name,
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grub_ieee1275_phandle_t *phandlep);
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int EXPORT_FUNC(grub_ieee1275_get_property) (grub_ieee1275_phandle_t phandle,
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const char *property, void *buf,
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grub_size_t size,
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grub_ssize_t *actual);
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int EXPORT_FUNC(grub_ieee1275_get_integer_property) (grub_ieee1275_phandle_t phandle,
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const char *property, grub_uint32_t *buf,
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grub_size_t size,
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grub_ssize_t *actual);
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int EXPORT_FUNC(grub_ieee1275_next_property) (grub_ieee1275_phandle_t phandle,
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char *prev_prop, char *prop);
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int EXPORT_FUNC(grub_ieee1275_get_property_length)
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(grub_ieee1275_phandle_t phandle, const char *prop, grub_ssize_t *length);
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int EXPORT_FUNC(grub_ieee1275_instance_to_package)
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(grub_ieee1275_ihandle_t ihandle, grub_ieee1275_phandle_t *phandlep);
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int EXPORT_FUNC(grub_ieee1275_package_to_path) (grub_ieee1275_phandle_t phandle,
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char *path, grub_size_t len,
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grub_ssize_t *actual);
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int EXPORT_FUNC(grub_ieee1275_instance_to_path)
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(grub_ieee1275_ihandle_t ihandle, char *path, grub_size_t len,
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grub_ssize_t *actual);
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int EXPORT_FUNC(grub_ieee1275_write) (grub_ieee1275_ihandle_t ihandle,
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const void *buffer, grub_size_t len,
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grub_ssize_t *actualp);
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int EXPORT_FUNC(grub_ieee1275_read) (grub_ieee1275_ihandle_t ihandle,
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void *buffer, grub_size_t len,
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grub_ssize_t *actualp);
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int EXPORT_FUNC(grub_ieee1275_seek) (grub_ieee1275_ihandle_t ihandle,
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grub_disk_addr_t pos,
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grub_ssize_t *result);
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int EXPORT_FUNC(grub_ieee1275_peer) (grub_ieee1275_phandle_t node,
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grub_ieee1275_phandle_t *result);
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int EXPORT_FUNC(grub_ieee1275_child) (grub_ieee1275_phandle_t node,
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grub_ieee1275_phandle_t *result);
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int EXPORT_FUNC(grub_ieee1275_parent) (grub_ieee1275_phandle_t node,
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grub_ieee1275_phandle_t *result);
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int EXPORT_FUNC(grub_ieee1275_interpret) (const char *command,
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grub_ieee1275_cell_t *catch);
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int EXPORT_FUNC(grub_ieee1275_enter) (void);
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void EXPORT_FUNC(grub_ieee1275_exit) (void) __attribute__ ((noreturn));
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int EXPORT_FUNC(grub_ieee1275_open) (const char *node,
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grub_ieee1275_ihandle_t *result);
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int EXPORT_FUNC(grub_ieee1275_close) (grub_ieee1275_ihandle_t ihandle);
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int EXPORT_FUNC(grub_ieee1275_claim) (grub_addr_t addr, grub_size_t size,
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unsigned int align, grub_addr_t *result);
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int EXPORT_FUNC(grub_ieee1275_release) (grub_addr_t addr, grub_size_t size);
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int EXPORT_FUNC(grub_ieee1275_set_property) (grub_ieee1275_phandle_t phandle,
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const char *propname,
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const void *buf,
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grub_size_t size,
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grub_ssize_t *actual);
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int EXPORT_FUNC(grub_ieee1275_set_color) (grub_ieee1275_ihandle_t ihandle,
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int index, int r, int g, int b);
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int EXPORT_FUNC(grub_ieee1275_milliseconds) (grub_uint32_t *msecs);
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grub_err_t EXPORT_FUNC(grub_claimmap) (grub_addr_t addr, grub_size_t size);
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int
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EXPORT_FUNC(grub_ieee1275_map) (grub_addr_t phys, grub_addr_t virt,
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grub_size_t size, grub_uint32_t mode);
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char *EXPORT_FUNC(grub_ieee1275_encode_devname) (const char *path);
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char *EXPORT_FUNC(grub_ieee1275_get_filename) (const char *path);
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int EXPORT_FUNC(grub_ieee1275_devices_iterate) (int (*hook)
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(struct grub_ieee1275_devalias *
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alias));
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char *EXPORT_FUNC(grub_ieee1275_get_aliasdevname) (const char *path);
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char *EXPORT_FUNC(grub_ieee1275_canonicalise_devname) (const char *path);
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char *EXPORT_FUNC(grub_ieee1275_get_device_type) (const char *path);
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char *EXPORT_FUNC(grub_ieee1275_get_devname) (const char *path);
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void EXPORT_FUNC(grub_ieee1275_devalias_init_iterator) (struct grub_ieee1275_devalias *alias);
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void EXPORT_FUNC(grub_ieee1275_devalias_free) (struct grub_ieee1275_devalias *alias);
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int EXPORT_FUNC(grub_ieee1275_devalias_next) (struct grub_ieee1275_devalias *alias);
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void EXPORT_FUNC(grub_ieee1275_children_peer) (struct grub_ieee1275_devalias *alias);
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void EXPORT_FUNC(grub_ieee1275_children_first) (const char *devpath,
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struct grub_ieee1275_devalias *alias);
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#define FOR_IEEE1275_DEVALIASES(alias) for (grub_ieee1275_devalias_init_iterator (&(alias)); grub_ieee1275_devalias_next (&(alias));)
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#define FOR_IEEE1275_DEVCHILDREN(devpath, alias) for (grub_ieee1275_children_first ((devpath), &(alias)); \
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(alias).name; \
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grub_ieee1275_children_peer (&(alias)))
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#endif /* ! GRUB_IEEE1275_HEADER */
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