a5477a5930
* boot/powerpc/ieee1275/cmain.c (cmain): Remove asm statements which initialized BAT registers. * boot/powerpc/ieee1275/ieee1275.c (IEEE1275_CALL_ENTRY_FN, grub_ieee1275_common_hdr, INIT_IEEE1275_COMMON): Move from here... * include/grub/powerpc/ieee1275/ieee1275.h (IEEE1275_CALL_ENTRY_FN, grub_ieee1275_common_hdr, INIT_IEEE1275_COMMON): ... to here. * kern/powerpc/ieee1275/openfw.c (grub_map): New function. (grub_mapclaim): Likewise. * loader/powerpc/ieee1275/linux.c (grub_load_linux): Use grub_mapclaim instead of grub_ieee1275_claim. Assign linux_addr by hand.
132 lines
5 KiB
C
132 lines
5 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 Free Software Foundation, Inc.
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef GRUB_IEEE1275_MACHINE_HEADER
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#define GRUB_IEEE1275_MACHINE_HEADER 1
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#include <stdint.h>
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#include <grub/err.h>
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#include <grub/types.h>
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/* Maps a device alias to a pathname. */
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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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};
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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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extern intptr_t (*grub_ieee1275_entry_fn) (void *);
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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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char *name;
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int nr_ins;
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int nr_outs;
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};
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#define INIT_IEEE1275_COMMON(p, xname, xins, xouts) \
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(p)->name = xname; (p)->nr_ins = xins; (p)->nr_outs = xouts
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/* FIXME jrydberg: is this correct cell types? */
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typedef intptr_t grub_ieee1275_ihandle_t;
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typedef intptr_t grub_ieee1275_phandle_t;
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extern intptr_t (*grub_ieee1275_entry_fn) (void *);
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extern grub_uint32_t grub_ieee1275_flags;
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/* Old World firmware fails seek when "dev:0" is opened. */
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#define GRUB_IEEE1275_NO_PARTITION_0 0x1
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uint32_t EXPORT_FUNC(grub_ieee1275_decode_int_4) (unsigned char *p);
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int EXPORT_FUNC(grub_ieee1275_finddevice) (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 handle,
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const char *property, void *buf,
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grub_size_t size,
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grub_size_t *actual);
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int EXPORT_FUNC(grub_ieee1275_next_property) (int handle, char *prev_prop,
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char *prop, int *flags);
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int EXPORT_FUNC(grub_ieee1275_get_property_length)
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(grub_ieee1275_phandle_t handle, const char *prop, grub_size_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_size_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_size_t *actual);
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int EXPORT_FUNC(grub_ieee1275_write) (grub_ieee1275_ihandle_t ihandle,
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void *buffer, grub_size_t len,
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grub_size_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_size_t *actualp);
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int EXPORT_FUNC(grub_ieee1275_seek) (grub_ieee1275_ihandle_t ihandle,
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int pos_hi, int pos_lo, int *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_exit) (void);
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int EXPORT_FUNC(grub_ieee1275_open) (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, void *buf,
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grub_size_t size,
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grub_size_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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grub_err_t EXPORT_FUNC(grub_devalias_iterate)
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(int (*hook) (struct grub_ieee1275_devalias *alias));
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grub_err_t EXPORT_FUNC(grub_children_iterate) (char *devpath,
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int (*hook) (struct grub_ieee1275_devalias *alias));
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int EXPORT_FUNC(grub_claimmap) (grub_addr_t addr, grub_size_t size);
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void EXPORT_FUNC(abort) (void);
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#endif /* ! GRUB_IEEE1275_MACHINE_HEADER */
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