aboutsummaryrefslogtreecommitdiff
path: root/sim/ppc/emul_generic.c
diff options
context:
space:
mode:
Diffstat (limited to 'sim/ppc/emul_generic.c')
-rw-r--r--sim/ppc/emul_generic.c356
1 files changed, 0 insertions, 356 deletions
diff --git a/sim/ppc/emul_generic.c b/sim/ppc/emul_generic.c
deleted file mode 100644
index 3b8ca02..0000000
--- a/sim/ppc/emul_generic.c
+++ /dev/null
@@ -1,356 +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 _EMUL_GENERIC_C_
-#define _EMUL_GENERIC_C_
-
-#include "emul_generic.h"
-
-#ifndef STATIC_INLINE_EMUL_GENERIC
-#define STATIC_INLINE_EMUL_GENERIC STATIC_INLINE
-#endif
-
-
-STATIC_INLINE_EMUL_GENERIC void
-emul_syscall_enter(emul_syscall *emul,
- int call,
- int arg0,
- cpu *processor,
- unsigned_word cia)
-{
- printf_filtered("%d:0x%lx:%s(",
- cpu_nr(processor) + 1,
- (long)cia,
- emul->syscall_descriptor[call].name);
-}
-
-
-STATIC_INLINE_EMUL_GENERIC void
-emul_syscall_exit(emul_syscall *emul,
- int call,
- int arg0,
- cpu *processor,
- unsigned_word cia)
-{
- int status = cpu_registers(processor)->gpr[3];
- int error = cpu_registers(processor)->gpr[0];
- printf_filtered(")=%d", status);
- if (error > 0 && error < emul->nr_error_names)
- printf_filtered("[%s]", emul->error_names[error]);
- printf_filtered("\n");
-}
-
-
-INLINE_EMUL_GENERIC unsigned64
-emul_read_gpr64(cpu *processor,
- int g)
-{
- unsigned32 hi;
- unsigned32 lo;
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
- hi = cpu_registers(processor)->gpr[g];
- lo = cpu_registers(processor)->gpr[g+1];
- }
- else {
- lo = cpu_registers(processor)->gpr[g];
- hi = cpu_registers(processor)->gpr[g+1];
- }
- return (INSERTED64(hi, 0, 31) | INSERTED64(lo, 32, 63));
-}
-
-
-INLINE_EMUL_GENERIC void
-emul_write_gpr64(cpu *processor,
- int g,
- unsigned64 val)
-{
- unsigned32 hi = EXTRACTED64(val, 0, 31);
- unsigned32 lo = EXTRACTED64(val, 32, 63);
- if (CURRENT_TARGET_BYTE_ORDER == BIG_ENDIAN) {
- cpu_registers(processor)->gpr[g] = hi;
- cpu_registers(processor)->gpr[g+1] = lo;
- }
- else {
- cpu_registers(processor)->gpr[g] = lo;
- cpu_registers(processor)->gpr[g+1] = hi;
- }
-}
-
-
-INLINE_EMUL_GENERIC char *
-emul_read_string(char *dest,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- unsigned nr_moved = 0;
- if (addr == 0)
- return NULL;
- while (1) {
- dest[nr_moved] = vm_data_map_read_1(cpu_data_map(processor),
- addr + nr_moved,
- processor, cia);
- if (dest[nr_moved] == '\0' || nr_moved >= nr_bytes)
- break;
- nr_moved++;
- }
- dest[nr_moved] = '\0';
- return dest;
-}
-
-
-INLINE_EMUL_GENERIC void
-emul_write_status(cpu *processor,
- int status,
- int errno)
-{
- if (status == -1 && errno != 0) {
- cpu_registers(processor)->gpr[3] = errno;
- CR_SET(0, cr_i_summary_overflow);
- }
- else {
- cpu_registers(processor)->gpr[3] = status;
- CR_SET(0, 0);
- }
-}
-
-
-INLINE_EMUL_GENERIC void
-emul_write2_status(cpu *processor,
- int status1,
- int status2,
- int errno)
-{
- if (status1 == -1 && errno != 0) {
- cpu_registers(processor)->gpr[3] = errno;
- CR_SET(0, cr_i_summary_overflow);
- }
- else {
- cpu_registers(processor)->gpr[3] = status1;
- cpu_registers(processor)->gpr[4] = status2;
- CR_SET(0, 0);
- }
-}
-
-
-INLINE_EMUL_GENERIC unsigned_word
-emul_read_word(unsigned_word addr,
- cpu *processor,
- unsigned_word cia)
-{
- return vm_data_map_read_word(cpu_data_map(processor),
- addr,
- processor, cia);
-}
-
-
-INLINE_EMUL_GENERIC void
-emul_write_word(unsigned_word addr,
- unsigned_word buf,
- cpu *processor,
- unsigned_word cia)
-{
- vm_data_map_write_word(cpu_data_map(processor),
- addr,
- buf,
- processor, cia);
-}
-
-
-INLINE_EMUL_GENERIC void
-emul_write_buffer(const void *source,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- int nr_moved;
- for (nr_moved = 0; nr_moved < nr_bytes; nr_moved++) {
- vm_data_map_write_1(cpu_data_map(processor),
- addr + nr_moved,
- ((const char*)source)[nr_moved],
- processor, cia);
- }
-}
-
-
-INLINE_EMUL_GENERIC void
-emul_read_buffer(void *dest,
- unsigned_word addr,
- unsigned nr_bytes,
- cpu *processor,
- unsigned_word cia)
-{
- int nr_moved;
- for (nr_moved = 0; nr_moved < nr_bytes; nr_moved++) {
- ((char*)dest)[nr_moved] = vm_data_map_read_1(cpu_data_map(processor),
- addr + nr_moved,
- processor, cia);
- }
-}
-
-
-INLINE_EMUL_GENERIC void
-emul_do_system_call(os_emul_data *emul_data,
- emul_syscall *emul,
- unsigned call,
- const int arg0,
- cpu *processor,
- unsigned_word cia)
-{
- emul_syscall_handler *handler = NULL;
- if (call >= emul->nr_system_calls)
- error("do_call() os_emul call %d out-of-range\n", call);
-
- handler = emul->syscall_descriptor[call].handler;
- if (handler == NULL) {
- if (emul->syscall_descriptor[call].name) {
- error("do_call() unimplemented call %s\n", emul->syscall_descriptor[call].name);
- } else {
- error("do_call() unimplemented call %d\n", call);
- }
- }
-
- if (WITH_TRACE && ppc_trace[trace_os_emul])
- emul_syscall_enter(emul, call, arg0, processor, cia);
-
- cpu_registers(processor)->gpr[0] = 0; /* default success */
- handler(emul_data, call, arg0, processor, cia);
-
- if (WITH_TRACE && ppc_trace[trace_os_emul])
- emul_syscall_exit(emul, call, arg0, processor, cia);
-}
-
-
-/* default size for the first bank of memory */
-
-#ifndef OEA_MEMORY_SIZE
-#define OEA_MEMORY_SIZE 0x100000
-#endif
-
-
-/* Add options to the device tree */
-
-INLINE_EMUL_GENERIC void
-emul_add_tree_options(device *tree,
- bfd *image,
- const char *emul,
- const char *env,
- int oea_interrupt_prefix)
-{
- int little_endian = 0;
-
- /* sort out little endian */
- if (device_find_property(tree, "/options/little-endian?"))
- little_endian = device_find_boolean_property(tree, "/options/little-endian?");
- else {
-#ifdef bfd_little_endian /* new bfd */
- little_endian = (image != NULL && bfd_little_endian(image));
-#else
- little_endian = (image != NULL &&
- !image->xvec->byteorder_big_p);
-#endif
- device_tree_add_parsed(tree, "/options/little-endian? %s",
- little_endian ? "true" : "false");
- }
-
- /* misc other stuff */
- device_tree_add_parsed(tree, "/openprom/options/oea-memory-size 0x%x",
- OEA_MEMORY_SIZE);
- device_tree_add_parsed(tree, "/openprom/options/oea-interrupt-prefix %d",
- oea_interrupt_prefix);
- device_tree_add_parsed(tree, "/openprom/options/smp 1");
- device_tree_add_parsed(tree, "/openprom/options/env %s", env);
- device_tree_add_parsed(tree, "/openprom/options/os-emul %s", emul);
- device_tree_add_parsed(tree, "/openprom/options/strict-alignment? %s",
- ((WITH_ALIGNMENT == 0 && little_endian)
- || (WITH_ALIGNMENT == STRICT_ALIGNMENT))
- ? "true" : "false");
- device_tree_add_parsed(tree, "/openprom/options/floating-point? %s",
- WITH_FLOATING_POINT ? "true" : "false");
- device_tree_add_parsed(tree, "/openprom/options/use-stdio? %s",
- WITH_STDIO == DO_USE_STDIO ? "true" : "false");
- device_tree_add_parsed(tree, "/openprom/options/model \"%s",
- model_name[WITH_DEFAULT_MODEL]);
- device_tree_add_parsed(tree, "/openprom/options/model-issue %d",
- MODEL_ISSUE_IGNORE);
-
- /* useful options */
- /* FIXME - need to check the OpenBoot powerpc bindings to see if
- this is still used and if so what it should be */
- device_tree_add_parsed(tree, "/options/load-base 0x80000");
-}
-
-INLINE_EMUL_GENERIC void
-emul_add_tree_hardware(device *root)
-{
- int i;
- int nr_cpus = device_find_integer_property(root, "/openprom/options/smp");
-
- /* sanity check the number of processors */
- if (nr_cpus > MAX_NR_PROCESSORS)
- error("Specified number of processors (%d) exceeds the number configured (%d).\n",
- nr_cpus, MAX_NR_PROCESSORS);
-
- /* add some memory */
- if (device_tree_find_device(root, "/memory") == NULL) {
- unsigned_word memory_size =
- device_find_integer_property(root, "/openprom/options/oea-memory-size");
- device_tree_add_parsed(root, "/memory@0/reg { 0x0 0x%lx",
- (unsigned long)memory_size);
- /* what about allocated? */
- }
-
- /* our processors */
- for (i = 0; i < nr_cpus; i++) {
- device_tree_add_parsed(root, "/cpus/cpu@%d/cpu-nr %d", i, i);
- }
-
- /* a fake eeprom - need to be able to write to it */
- device_tree_add_parsed(root, "/openprom/memory@0xfff00000/reg { 0xfff00000 0x3000");
-
-
- /* A local bus containing basic devices */
- device_tree_add_parsed(root, "/iobus@0xf0000000/reg { 0xf0000000 0x0f000000");
-
- /* NVRAM with clock */
- device_tree_add_parsed(root, "/iobus/nvram@0x0/reg { 0 0x1000");
- device_tree_add_parsed(root, "/iobus/nvram/timezone 0");
-
- /* the debugging pal. Wire interrupts up directly */
- device_tree_add_parsed(root, "/iobus/pal@0x0x1000/reg { 0x1000 32");
- for (i = 0; i < nr_cpus; i++) {
- device_tree_add_parsed(root, "/iobus/pal > int%d int /cpus/cpu@%d", i, i);
- }
-
- /* a disk containing zero's */
- device_tree_add_parsed(root, "/iobus/disk@0x2000/reg { 0x2000 0x1000");
- device_tree_add_parsed(root, "/iobus/disk/file \"/dev/zero");
-
- /* chosen etc */
- device_tree_add_parsed(root, "/chosen/stdin */iobus/pal");
- device_tree_add_parsed(root, "/chosen/stdout !/chosen/stdin");
- device_tree_add_parsed(root, "/chosen/memory */memory");
- device_tree_add_parsed(root, "/chosen/disk */iobus/disk");
-}
-
-#endif /* _EMUL_GENERIC_C_ */
generated by cgit v1.1 at 2024-12-11 01:31:15 +0000