diff options
Diffstat (limited to 'sim/ppc/device_table.c')
| -rw-r--r-- | sim/ppc/device_table.c | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/sim/ppc/device_table.c b/sim/ppc/device_table.c deleted file mode 100644 index 09772aba6b4..00000000000 --- a/sim/ppc/device_table.c +++ /dev/null @@ -1,310 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au> - - 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. - - */ - - -#ifndef _DEVICE_TABLE_C_ -#define _DEVICE_TABLE_C_ - -#include "device_table.h" - -#if HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#include <ctype.h> - - -/* Helper functions */ - - -/* Go through the devices various reg properties for those that - specify attach addresses */ - - -void -generic_device_init_address(device *me) -{ - static const char *(reg_property_names[]) = { - "attach-addresses", - "assigned-addresses", - "reg", - "alternate-reg" , - NULL - }; - const char **reg_property_name; - int nr_valid_reg_properties = 0; - for (reg_property_name = reg_property_names; - *reg_property_name != NULL; - reg_property_name++) { - if (device_find_property(me, *reg_property_name) != NULL) { - reg_property_spec reg; - int reg_entry; - for (reg_entry = 0; - device_find_reg_array_property(me, *reg_property_name, reg_entry, - ®); - reg_entry++) { - unsigned_word attach_address; - int attach_space; - unsigned attach_size; - if (!device_address_to_attach_address(device_parent(me), - ®.address, - &attach_space, &attach_address, - me)) - continue; - if (!device_size_to_attach_size(device_parent(me), - ®.size, - &attach_size, me)) - continue; - device_attach_address(device_parent(me), - attach_callback, - attach_space, attach_address, attach_size, - access_read_write_exec, - me); - nr_valid_reg_properties++; - } - /* if first option matches don't try for any others */ - if (reg_property_name == reg_property_names) - break; - } - } -} - -int -generic_device_unit_decode(device *bus, - const char *unit, - device_unit *phys) -{ - memset(phys, 0, sizeof(device_unit)); - if (unit == NULL) - return 0; - else { - int nr_cells = 0; - const int max_nr_cells = device_nr_address_cells(bus); - while (1) { - char *end = NULL; - unsigned long val; - val = strtoul(unit, &end, 0); - /* parse error? */ - if (unit == end) - return -1; - /* two many cells? */ - if (nr_cells >= max_nr_cells) - return -1; - /* save it */ - phys->cells[nr_cells] = val; - nr_cells++; - unit = end; - /* more to follow? */ - if (isspace(*unit) || *unit == '\0') - break; - if (*unit != ',') - return -1; - unit++; - } - if (nr_cells < max_nr_cells) { - /* shift everything to correct position */ - int i; - for (i = 1; i <= nr_cells; i++) - phys->cells[max_nr_cells - i] = phys->cells[nr_cells - i]; - for (i = 0; i < (max_nr_cells - nr_cells); i++) - phys->cells[i] = 0; - } - phys->nr_cells = max_nr_cells; - return max_nr_cells; - } -} - -int -generic_device_unit_encode(device *bus, - const device_unit *phys, - char *buf, - int sizeof_buf) -{ - int i; - int len; - char *pos = buf; - /* skip leading zero's */ - for (i = 0; i < phys->nr_cells; i++) { - if (phys->cells[i] != 0) - break; - } - /* don't output anything if empty */ - if (phys->nr_cells == 0) { - strcpy(pos, ""); - len = 0; - } - else if (i == phys->nr_cells) { - /* all zero */ - strcpy(pos, "0"); - len = 1; - } - else { - for (; i < phys->nr_cells; i++) { - if (pos != buf) { - strcat(pos, ","); - pos = strchr(pos, '\0'); - } - if (phys->cells[i] < 10) - sprintf(pos, "%ld", (unsigned long)phys->cells[i]); - else - sprintf(pos, "0x%lx", (unsigned long)phys->cells[i]); - pos = strchr(pos, '\0'); - } - len = pos - buf; - } - if (len >= sizeof_buf) - error("generic_unit_encode - buffer overflow\n"); - return len; -} - -int -generic_device_address_to_attach_address(device *me, - const device_unit *address, - int *attach_space, - unsigned_word *attach_address, - device *client) -{ - int i; - for (i = 0; i < address->nr_cells - 2; i++) { - if (address->cells[i] != 0) - device_error(me, "Only 32bit addresses supported"); - } - if (address->nr_cells >= 2) - *attach_space = address->cells[address->nr_cells - 2]; - else - *attach_space = 0; - *attach_address = address->cells[address->nr_cells - 1]; - return 1; -} - -int -generic_device_size_to_attach_size(device *me, - const device_unit *size, - unsigned *nr_bytes, - device *client) -{ - int i; - for (i = 0; i < size->nr_cells - 1; i++) { - if (size->cells[i] != 0) - device_error(me, "Only 32bit sizes supported"); - } - *nr_bytes = size->cells[0]; - return *nr_bytes; -} - - -/* ignore/passthrough versions of each function */ - -void -passthrough_device_address_attach(device *me, - attach_type attach, - int space, - unsigned_word addr, - unsigned nr_bytes, - access_type access, - device *client) /*callback/default*/ -{ - device_attach_address(device_parent(me), attach, - space, addr, nr_bytes, - access, - client); -} - -void -passthrough_device_address_detach(device *me, - attach_type attach, - int space, - unsigned_word addr, - unsigned nr_bytes, - access_type access, - device *client) /*callback/default*/ -{ - device_detach_address(device_parent(me), attach, - space, addr, nr_bytes, access, - client); -} - -unsigned -passthrough_device_dma_read_buffer(device *me, - void *dest, - int space, - unsigned_word addr, - unsigned nr_bytes) -{ - return device_dma_read_buffer(device_parent(me), dest, - space, addr, nr_bytes); -} - -unsigned -passthrough_device_dma_write_buffer(device *me, - const void *source, - int space, - unsigned_word addr, - unsigned nr_bytes, - int violate_read_only_section) -{ - return device_dma_write_buffer(device_parent(me), source, - space, addr, - nr_bytes, - violate_read_only_section); -} - -int -ignore_device_unit_decode(device *me, - const char *unit, - device_unit *phys) -{ - memset(phys, 0, sizeof(device_unit)); - return 0; -} - - -static const device_callbacks passthrough_callbacks = { - { NULL, }, /* init */ - { passthrough_device_address_attach, - passthrough_device_address_detach, }, - { NULL, }, /* IO */ - { passthrough_device_dma_read_buffer, passthrough_device_dma_write_buffer, }, - { NULL, }, /* interrupt */ - { generic_device_unit_decode, - generic_device_unit_encode, }, -}; - - -static const device_descriptor ob_device_table[] = { - /* standard OpenBoot devices */ - { "aliases", NULL, &passthrough_callbacks }, - { "options", NULL, &passthrough_callbacks }, - { "chosen", NULL, &passthrough_callbacks }, - { "packages", NULL, &passthrough_callbacks }, - { "cpus", NULL, &passthrough_callbacks }, - { "openprom", NULL, &passthrough_callbacks }, - { "init", NULL, &passthrough_callbacks }, - { NULL }, -}; - -const device_descriptor *const device_table[] = { - ob_device_table, -#include "hw.c" - NULL, -}; - - -#endif /* _DEVICE_TABLE_C_ */ |