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/*
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* qemu user main
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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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, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <unistd.h> |
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#include <sys/mman.h> |
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#include <sys/syscall.h> |
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#include <sys/resource.h> |
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#include "qemu.h" |
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#include "qemu-common.h" |
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#include "cache-utils.h" |
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/* For tb_lock */
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#include "exec-all.h" |
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#include "qemu-timer.h" |
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#include "envlist.h" |
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#define DEBUG_LOGFILE "/tmp/qemu.log" |
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char *exec_path;
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int singlestep;
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unsigned long mmap_min_addr; |
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#if defined(CONFIG_USE_GUEST_BASE)
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unsigned long guest_base; |
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int have_guest_base;
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#endif
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static const char *interp_prefix = CONFIG_QEMU_PREFIX; |
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const char *qemu_uname_release = CONFIG_UNAME_RELEASE; |
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|
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/* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
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we allocate a bigger stack. Need a better solution, for example
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by remapping the process stack directly at the right place */
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unsigned long guest_stack_size = 8 * 1024 * 1024UL; |
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void gemu_log(const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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vfprintf(stderr, fmt, ap); |
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va_end(ap); |
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} |
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|
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#if defined(TARGET_I386)
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int cpu_get_pic_interrupt(CPUState *env)
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{ |
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return -1; |
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} |
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#endif
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/* timers for rdtsc */
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|
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#if 0
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static uint64_t emu_time;
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int64_t cpu_get_real_ticks(void)
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{
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return emu_time++;
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}
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#endif
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#if defined(CONFIG_USE_NPTL)
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/***********************************************************/
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/* Helper routines for implementing atomic operations. */
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/* To implement exclusive operations we force all cpus to syncronise.
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We don't require a full sync, only that no cpus are executing guest code.
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The alternative is to map target atomic ops onto host equivalents,
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which requires quite a lot of per host/target work. */
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static pthread_mutex_t cpu_list_mutex = PTHREAD_MUTEX_INITIALIZER;
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static pthread_mutex_t exclusive_lock = PTHREAD_MUTEX_INITIALIZER;
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static pthread_cond_t exclusive_cond = PTHREAD_COND_INITIALIZER;
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static pthread_cond_t exclusive_resume = PTHREAD_COND_INITIALIZER;
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static int pending_cpus; |
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/* Make sure everything is in a consistent state for calling fork(). */
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void fork_start(void) |
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{ |
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pthread_mutex_lock(&tb_lock); |
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pthread_mutex_lock(&exclusive_lock); |
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mmap_fork_start(); |
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} |
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void fork_end(int child) |
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{ |
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mmap_fork_end(child); |
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if (child) {
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/* Child processes created by fork() only have a single thread.
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Discard information about the parent threads. */
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first_cpu = thread_env; |
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thread_env->next_cpu = NULL;
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pending_cpus = 0;
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pthread_mutex_init(&exclusive_lock, NULL);
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pthread_mutex_init(&cpu_list_mutex, NULL);
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pthread_cond_init(&exclusive_cond, NULL);
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pthread_cond_init(&exclusive_resume, NULL);
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pthread_mutex_init(&tb_lock, NULL);
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gdbserver_fork(thread_env); |
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} else {
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pthread_mutex_unlock(&exclusive_lock); |
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pthread_mutex_unlock(&tb_lock); |
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} |
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} |
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/* Wait for pending exclusive operations to complete. The exclusive lock
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must be held. */
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static inline void exclusive_idle(void) |
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{ |
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while (pending_cpus) {
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pthread_cond_wait(&exclusive_resume, &exclusive_lock); |
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} |
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} |
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/* Start an exclusive operation.
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Must only be called from outside cpu_arm_exec. */
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static inline void start_exclusive(void) |
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{ |
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CPUState *other; |
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pthread_mutex_lock(&exclusive_lock); |
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exclusive_idle(); |
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pending_cpus = 1;
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/* Make all other cpus stop executing. */
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for (other = first_cpu; other; other = other->next_cpu) {
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if (other->running) {
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pending_cpus++; |
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cpu_exit(other); |
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} |
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} |
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if (pending_cpus > 1) { |
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pthread_cond_wait(&exclusive_cond, &exclusive_lock); |
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} |
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} |
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/* Finish an exclusive operation. */
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static inline void end_exclusive(void) |
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{ |
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pending_cpus = 0;
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pthread_cond_broadcast(&exclusive_resume); |
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pthread_mutex_unlock(&exclusive_lock); |
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} |
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/* Wait for exclusive ops to finish, and begin cpu execution. */
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static inline void cpu_exec_start(CPUState *env) |
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{ |
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pthread_mutex_lock(&exclusive_lock); |
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exclusive_idle(); |
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env->running = 1;
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pthread_mutex_unlock(&exclusive_lock); |
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} |
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/* Mark cpu as not executing, and release pending exclusive ops. */
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static inline void cpu_exec_end(CPUState *env) |
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{ |
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pthread_mutex_lock(&exclusive_lock); |
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env->running = 0;
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if (pending_cpus > 1) { |
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pending_cpus--; |
183 |
if (pending_cpus == 1) { |
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pthread_cond_signal(&exclusive_cond); |
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} |
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} |
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exclusive_idle(); |
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pthread_mutex_unlock(&exclusive_lock); |
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} |
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void cpu_list_lock(void) |
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{ |
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pthread_mutex_lock(&cpu_list_mutex); |
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} |
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void cpu_list_unlock(void) |
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{ |
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pthread_mutex_unlock(&cpu_list_mutex); |
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} |
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#else /* if !CONFIG_USE_NPTL */ |
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/* These are no-ops because we are not threadsafe. */
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static inline void cpu_exec_start(CPUState *env) |
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{ |
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} |
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static inline void cpu_exec_end(CPUState *env) |
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{ |
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} |
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static inline void start_exclusive(void) |
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{ |
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} |
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static inline void end_exclusive(void) |
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{ |
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} |
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void fork_start(void) |
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{ |
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} |
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void fork_end(int child) |
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{ |
224 |
if (child) {
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gdbserver_fork(thread_env); |
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} |
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} |
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void cpu_list_lock(void) |
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{ |
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} |
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void cpu_list_unlock(void) |
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{ |
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} |
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#endif
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#ifdef TARGET_I386
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/***********************************************************/
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/* CPUX86 core interface */
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void cpu_smm_update(CPUState *env)
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{ |
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} |
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uint64_t cpu_get_tsc(CPUX86State *env) |
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{ |
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return cpu_get_real_ticks();
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} |
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static void write_dt(void *ptr, unsigned long addr, unsigned long limit, |
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int flags)
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{ |
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unsigned int e1, e2; |
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uint32_t *p; |
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e1 = (addr << 16) | (limit & 0xffff); |
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e2 = ((addr >> 16) & 0xff) | (addr & 0xff000000) | (limit & 0x000f0000); |
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e2 |= flags; |
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p = ptr; |
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p[0] = tswap32(e1);
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p[1] = tswap32(e2);
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} |
264 |
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static uint64_t *idt_table;
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#ifdef TARGET_X86_64
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static void set_gate64(void *ptr, unsigned int type, unsigned int dpl, |
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uint64_t addr, unsigned int sel) |
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{ |
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uint32_t *p, e1, e2; |
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e1 = (addr & 0xffff) | (sel << 16); |
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e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); |
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p = ptr; |
274 |
p[0] = tswap32(e1);
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p[1] = tswap32(e2);
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p[2] = tswap32(addr >> 32); |
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p[3] = 0; |
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} |
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/* only dpl matters as we do only user space emulation */
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static void set_idt(int n, unsigned int dpl) |
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{ |
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set_gate64(idt_table + n * 2, 0, dpl, 0, 0); |
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} |
284 |
#else
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static void set_gate(void *ptr, unsigned int type, unsigned int dpl, |
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uint32_t addr, unsigned int sel) |
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{ |
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uint32_t *p, e1, e2; |
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e1 = (addr & 0xffff) | (sel << 16); |
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e2 = (addr & 0xffff0000) | 0x8000 | (dpl << 13) | (type << 8); |
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p = ptr; |
292 |
p[0] = tswap32(e1);
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p[1] = tswap32(e2);
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} |
295 |
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/* only dpl matters as we do only user space emulation */
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static void set_idt(int n, unsigned int dpl) |
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{ |
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set_gate(idt_table + n, 0, dpl, 0, 0); |
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} |
301 |
#endif
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void cpu_loop(CPUX86State *env)
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{ |
305 |
int trapnr;
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abi_ulong pc; |
307 |
target_siginfo_t info; |
308 |
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for(;;) {
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trapnr = cpu_x86_exec(env); |
311 |
switch(trapnr) {
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case 0x80: |
313 |
/* linux syscall from int $0x80 */
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env->regs[R_EAX] = do_syscall(env, |
315 |
env->regs[R_EAX], |
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env->regs[R_EBX], |
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env->regs[R_ECX], |
318 |
env->regs[R_EDX], |
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env->regs[R_ESI], |
320 |
env->regs[R_EDI], |
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env->regs[R_EBP]); |
322 |
break;
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#ifndef TARGET_ABI32
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case EXCP_SYSCALL:
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/* linux syscall from syscall intruction */
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env->regs[R_EAX] = do_syscall(env, |
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env->regs[R_EAX], |
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env->regs[R_EDI], |
329 |
env->regs[R_ESI], |
330 |
env->regs[R_EDX], |
331 |
env->regs[10],
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env->regs[8],
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env->regs[9]);
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env->eip = env->exception_next_eip; |
335 |
break;
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#endif
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case EXCP0B_NOSEG:
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case EXCP0C_STACK:
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info.si_signo = SIGBUS; |
340 |
info.si_errno = 0;
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341 |
info.si_code = TARGET_SI_KERNEL; |
342 |
info._sifields._sigfault._addr = 0;
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343 |
queue_signal(env, info.si_signo, &info); |
344 |
break;
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345 |
case EXCP0D_GPF:
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/* XXX: potential problem if ABI32 */
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347 |
#ifndef TARGET_X86_64
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if (env->eflags & VM_MASK) {
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handle_vm86_fault(env); |
350 |
} else
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351 |
#endif
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352 |
{ |
353 |
info.si_signo = SIGSEGV; |
354 |
info.si_errno = 0;
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355 |
info.si_code = TARGET_SI_KERNEL; |
356 |
info._sifields._sigfault._addr = 0;
|
357 |
queue_signal(env, info.si_signo, &info); |
358 |
} |
359 |
break;
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360 |
case EXCP0E_PAGE:
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361 |
info.si_signo = SIGSEGV; |
362 |
info.si_errno = 0;
|
363 |
if (!(env->error_code & 1)) |
364 |
info.si_code = TARGET_SEGV_MAPERR; |
365 |
else
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366 |
info.si_code = TARGET_SEGV_ACCERR; |
367 |
info._sifields._sigfault._addr = env->cr[2];
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368 |
queue_signal(env, info.si_signo, &info); |
369 |
break;
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370 |
case EXCP00_DIVZ:
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371 |
#ifndef TARGET_X86_64
|
372 |
if (env->eflags & VM_MASK) {
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373 |
handle_vm86_trap(env, trapnr); |
374 |
} else
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375 |
#endif
|
376 |
{ |
377 |
/* division by zero */
|
378 |
info.si_signo = SIGFPE; |
379 |
info.si_errno = 0;
|
380 |
info.si_code = TARGET_FPE_INTDIV; |
381 |
info._sifields._sigfault._addr = env->eip; |
382 |
queue_signal(env, info.si_signo, &info); |
383 |
} |
384 |
break;
|
385 |
case EXCP01_DB:
|
386 |
case EXCP03_INT3:
|
387 |
#ifndef TARGET_X86_64
|
388 |
if (env->eflags & VM_MASK) {
|
389 |
handle_vm86_trap(env, trapnr); |
390 |
} else
|
391 |
#endif
|
392 |
{ |
393 |
info.si_signo = SIGTRAP; |
394 |
info.si_errno = 0;
|
395 |
if (trapnr == EXCP01_DB) {
|
396 |
info.si_code = TARGET_TRAP_BRKPT; |
397 |
info._sifields._sigfault._addr = env->eip; |
398 |
} else {
|
399 |
info.si_code = TARGET_SI_KERNEL; |
400 |
info._sifields._sigfault._addr = 0;
|
401 |
} |
402 |
queue_signal(env, info.si_signo, &info); |
403 |
} |
404 |
break;
|
405 |
case EXCP04_INTO:
|
406 |
case EXCP05_BOUND:
|
407 |
#ifndef TARGET_X86_64
|
408 |
if (env->eflags & VM_MASK) {
|
409 |
handle_vm86_trap(env, trapnr); |
410 |
} else
|
411 |
#endif
|
412 |
{ |
413 |
info.si_signo = SIGSEGV; |
414 |
info.si_errno = 0;
|
415 |
info.si_code = TARGET_SI_KERNEL; |
416 |
info._sifields._sigfault._addr = 0;
|
417 |
queue_signal(env, info.si_signo, &info); |
418 |
} |
419 |
break;
|
420 |
case EXCP06_ILLOP:
|
421 |
info.si_signo = SIGILL; |
422 |
info.si_errno = 0;
|
423 |
info.si_code = TARGET_ILL_ILLOPN; |
424 |
info._sifields._sigfault._addr = env->eip; |
425 |
queue_signal(env, info.si_signo, &info); |
426 |
break;
|
427 |
case EXCP_INTERRUPT:
|
428 |
/* just indicate that signals should be handled asap */
|
429 |
break;
|
430 |
case EXCP_DEBUG:
|
431 |
{ |
432 |
int sig;
|
433 |
|
434 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
435 |
if (sig)
|
436 |
{ |
437 |
info.si_signo = sig; |
438 |
info.si_errno = 0;
|
439 |
info.si_code = TARGET_TRAP_BRKPT; |
440 |
queue_signal(env, info.si_signo, &info); |
441 |
} |
442 |
} |
443 |
break;
|
444 |
default:
|
445 |
pc = env->segs[R_CS].base + env->eip; |
446 |
fprintf(stderr, "qemu: 0x%08lx: unhandled CPU exception 0x%x - aborting\n",
|
447 |
(long)pc, trapnr);
|
448 |
abort(); |
449 |
} |
450 |
process_pending_signals(env); |
451 |
} |
452 |
} |
453 |
#endif
|
454 |
|
455 |
#ifdef TARGET_ARM
|
456 |
|
457 |
static void arm_cache_flush(abi_ulong start, abi_ulong last) |
458 |
{ |
459 |
abi_ulong addr, last1; |
460 |
|
461 |
if (last < start)
|
462 |
return;
|
463 |
addr = start; |
464 |
for(;;) {
|
465 |
last1 = ((addr + TARGET_PAGE_SIZE) & TARGET_PAGE_MASK) - 1;
|
466 |
if (last1 > last)
|
467 |
last1 = last; |
468 |
tb_invalidate_page_range(addr, last1 + 1);
|
469 |
if (last1 == last)
|
470 |
break;
|
471 |
addr = last1 + 1;
|
472 |
} |
473 |
} |
474 |
|
475 |
/* Handle a jump to the kernel code page. */
|
476 |
static int |
477 |
do_kernel_trap(CPUARMState *env) |
478 |
{ |
479 |
uint32_t addr; |
480 |
uint32_t cpsr; |
481 |
uint32_t val; |
482 |
|
483 |
switch (env->regs[15]) { |
484 |
case 0xffff0fa0: /* __kernel_memory_barrier */ |
485 |
/* ??? No-op. Will need to do better for SMP. */
|
486 |
break;
|
487 |
case 0xffff0fc0: /* __kernel_cmpxchg */ |
488 |
/* XXX: This only works between threads, not between processes.
|
489 |
It's probably possible to implement this with native host
|
490 |
operations. However things like ldrex/strex are much harder so
|
491 |
there's not much point trying. */
|
492 |
start_exclusive(); |
493 |
cpsr = cpsr_read(env); |
494 |
addr = env->regs[2];
|
495 |
/* FIXME: This should SEGV if the access fails. */
|
496 |
if (get_user_u32(val, addr))
|
497 |
val = ~env->regs[0];
|
498 |
if (val == env->regs[0]) { |
499 |
val = env->regs[1];
|
500 |
/* FIXME: Check for segfaults. */
|
501 |
put_user_u32(val, addr); |
502 |
env->regs[0] = 0; |
503 |
cpsr |= CPSR_C; |
504 |
} else {
|
505 |
env->regs[0] = -1; |
506 |
cpsr &= ~CPSR_C; |
507 |
} |
508 |
cpsr_write(env, cpsr, CPSR_C); |
509 |
end_exclusive(); |
510 |
break;
|
511 |
case 0xffff0fe0: /* __kernel_get_tls */ |
512 |
env->regs[0] = env->cp15.c13_tls2;
|
513 |
break;
|
514 |
default:
|
515 |
return 1; |
516 |
} |
517 |
/* Jump back to the caller. */
|
518 |
addr = env->regs[14];
|
519 |
if (addr & 1) { |
520 |
env->thumb = 1;
|
521 |
addr &= ~1;
|
522 |
} |
523 |
env->regs[15] = addr;
|
524 |
|
525 |
return 0; |
526 |
} |
527 |
|
528 |
static int do_strex(CPUARMState *env) |
529 |
{ |
530 |
uint32_t val; |
531 |
int size;
|
532 |
int rc = 1; |
533 |
int segv = 0; |
534 |
uint32_t addr; |
535 |
start_exclusive(); |
536 |
addr = env->exclusive_addr; |
537 |
if (addr != env->exclusive_test) {
|
538 |
goto fail;
|
539 |
} |
540 |
size = env->exclusive_info & 0xf;
|
541 |
switch (size) {
|
542 |
case 0: |
543 |
segv = get_user_u8(val, addr); |
544 |
break;
|
545 |
case 1: |
546 |
segv = get_user_u16(val, addr); |
547 |
break;
|
548 |
case 2: |
549 |
case 3: |
550 |
segv = get_user_u32(val, addr); |
551 |
break;
|
552 |
default:
|
553 |
abort(); |
554 |
} |
555 |
if (segv) {
|
556 |
env->cp15.c6_data = addr; |
557 |
goto done;
|
558 |
} |
559 |
if (val != env->exclusive_val) {
|
560 |
goto fail;
|
561 |
} |
562 |
if (size == 3) { |
563 |
segv = get_user_u32(val, addr + 4);
|
564 |
if (segv) {
|
565 |
env->cp15.c6_data = addr + 4;
|
566 |
goto done;
|
567 |
} |
568 |
if (val != env->exclusive_high) {
|
569 |
goto fail;
|
570 |
} |
571 |
} |
572 |
val = env->regs[(env->exclusive_info >> 8) & 0xf]; |
573 |
switch (size) {
|
574 |
case 0: |
575 |
segv = put_user_u8(val, addr); |
576 |
break;
|
577 |
case 1: |
578 |
segv = put_user_u16(val, addr); |
579 |
break;
|
580 |
case 2: |
581 |
case 3: |
582 |
segv = put_user_u32(val, addr); |
583 |
break;
|
584 |
} |
585 |
if (segv) {
|
586 |
env->cp15.c6_data = addr; |
587 |
goto done;
|
588 |
} |
589 |
if (size == 3) { |
590 |
val = env->regs[(env->exclusive_info >> 12) & 0xf]; |
591 |
segv = put_user_u32(val, addr); |
592 |
if (segv) {
|
593 |
env->cp15.c6_data = addr + 4;
|
594 |
goto done;
|
595 |
} |
596 |
} |
597 |
rc = 0;
|
598 |
fail:
|
599 |
env->regs[15] += 4; |
600 |
env->regs[(env->exclusive_info >> 4) & 0xf] = rc; |
601 |
done:
|
602 |
end_exclusive(); |
603 |
return segv;
|
604 |
} |
605 |
|
606 |
void cpu_loop(CPUARMState *env)
|
607 |
{ |
608 |
int trapnr;
|
609 |
unsigned int n, insn; |
610 |
target_siginfo_t info; |
611 |
uint32_t addr; |
612 |
|
613 |
for(;;) {
|
614 |
cpu_exec_start(env); |
615 |
trapnr = cpu_arm_exec(env); |
616 |
cpu_exec_end(env); |
617 |
switch(trapnr) {
|
618 |
case EXCP_UDEF:
|
619 |
{ |
620 |
TaskState *ts = env->opaque; |
621 |
uint32_t opcode; |
622 |
int rc;
|
623 |
|
624 |
/* we handle the FPU emulation here, as Linux */
|
625 |
/* we get the opcode */
|
626 |
/* FIXME - what to do if get_user() fails? */
|
627 |
get_user_u32(opcode, env->regs[15]);
|
628 |
|
629 |
rc = EmulateAll(opcode, &ts->fpa, env); |
630 |
if (rc == 0) { /* illegal instruction */ |
631 |
info.si_signo = SIGILL; |
632 |
info.si_errno = 0;
|
633 |
info.si_code = TARGET_ILL_ILLOPN; |
634 |
info._sifields._sigfault._addr = env->regs[15];
|
635 |
queue_signal(env, info.si_signo, &info); |
636 |
} else if (rc < 0) { /* FP exception */ |
637 |
int arm_fpe=0; |
638 |
|
639 |
/* translate softfloat flags to FPSR flags */
|
640 |
if (-rc & float_flag_invalid)
|
641 |
arm_fpe |= BIT_IOC; |
642 |
if (-rc & float_flag_divbyzero)
|
643 |
arm_fpe |= BIT_DZC; |
644 |
if (-rc & float_flag_overflow)
|
645 |
arm_fpe |= BIT_OFC; |
646 |
if (-rc & float_flag_underflow)
|
647 |
arm_fpe |= BIT_UFC; |
648 |
if (-rc & float_flag_inexact)
|
649 |
arm_fpe |= BIT_IXC; |
650 |
|
651 |
FPSR fpsr = ts->fpa.fpsr; |
652 |
//printf("fpsr 0x%x, arm_fpe 0x%x\n",fpsr,arm_fpe);
|
653 |
|
654 |
if (fpsr & (arm_fpe << 16)) { /* exception enabled? */ |
655 |
info.si_signo = SIGFPE; |
656 |
info.si_errno = 0;
|
657 |
|
658 |
/* ordered by priority, least first */
|
659 |
if (arm_fpe & BIT_IXC) info.si_code = TARGET_FPE_FLTRES;
|
660 |
if (arm_fpe & BIT_UFC) info.si_code = TARGET_FPE_FLTUND;
|
661 |
if (arm_fpe & BIT_OFC) info.si_code = TARGET_FPE_FLTOVF;
|
662 |
if (arm_fpe & BIT_DZC) info.si_code = TARGET_FPE_FLTDIV;
|
663 |
if (arm_fpe & BIT_IOC) info.si_code = TARGET_FPE_FLTINV;
|
664 |
|
665 |
info._sifields._sigfault._addr = env->regs[15];
|
666 |
queue_signal(env, info.si_signo, &info); |
667 |
} else {
|
668 |
env->regs[15] += 4; |
669 |
} |
670 |
|
671 |
/* accumulate unenabled exceptions */
|
672 |
if ((!(fpsr & BIT_IXE)) && (arm_fpe & BIT_IXC))
|
673 |
fpsr |= BIT_IXC; |
674 |
if ((!(fpsr & BIT_UFE)) && (arm_fpe & BIT_UFC))
|
675 |
fpsr |= BIT_UFC; |
676 |
if ((!(fpsr & BIT_OFE)) && (arm_fpe & BIT_OFC))
|
677 |
fpsr |= BIT_OFC; |
678 |
if ((!(fpsr & BIT_DZE)) && (arm_fpe & BIT_DZC))
|
679 |
fpsr |= BIT_DZC; |
680 |
if ((!(fpsr & BIT_IOE)) && (arm_fpe & BIT_IOC))
|
681 |
fpsr |= BIT_IOC; |
682 |
ts->fpa.fpsr=fpsr; |
683 |
} else { /* everything OK */ |
684 |
/* increment PC */
|
685 |
env->regs[15] += 4; |
686 |
} |
687 |
} |
688 |
break;
|
689 |
case EXCP_SWI:
|
690 |
case EXCP_BKPT:
|
691 |
{ |
692 |
env->eabi = 1;
|
693 |
/* system call */
|
694 |
if (trapnr == EXCP_BKPT) {
|
695 |
if (env->thumb) {
|
696 |
/* FIXME - what to do if get_user() fails? */
|
697 |
get_user_u16(insn, env->regs[15]);
|
698 |
n = insn & 0xff;
|
699 |
env->regs[15] += 2; |
700 |
} else {
|
701 |
/* FIXME - what to do if get_user() fails? */
|
702 |
get_user_u32(insn, env->regs[15]);
|
703 |
n = (insn & 0xf) | ((insn >> 4) & 0xff0); |
704 |
env->regs[15] += 4; |
705 |
} |
706 |
} else {
|
707 |
if (env->thumb) {
|
708 |
/* FIXME - what to do if get_user() fails? */
|
709 |
get_user_u16(insn, env->regs[15] - 2); |
710 |
n = insn & 0xff;
|
711 |
} else {
|
712 |
/* FIXME - what to do if get_user() fails? */
|
713 |
get_user_u32(insn, env->regs[15] - 4); |
714 |
n = insn & 0xffffff;
|
715 |
} |
716 |
} |
717 |
|
718 |
if (n == ARM_NR_cacheflush) {
|
719 |
arm_cache_flush(env->regs[0], env->regs[1]); |
720 |
} else if (n == ARM_NR_semihosting |
721 |
|| n == ARM_NR_thumb_semihosting) { |
722 |
env->regs[0] = do_arm_semihosting (env);
|
723 |
} else if (n == 0 || n >= ARM_SYSCALL_BASE |
724 |
|| (env->thumb && n == ARM_THUMB_SYSCALL)) { |
725 |
/* linux syscall */
|
726 |
if (env->thumb || n == 0) { |
727 |
n = env->regs[7];
|
728 |
} else {
|
729 |
n -= ARM_SYSCALL_BASE; |
730 |
env->eabi = 0;
|
731 |
} |
732 |
if ( n > ARM_NR_BASE) {
|
733 |
switch (n) {
|
734 |
case ARM_NR_cacheflush:
|
735 |
arm_cache_flush(env->regs[0], env->regs[1]); |
736 |
break;
|
737 |
case ARM_NR_set_tls:
|
738 |
cpu_set_tls(env, env->regs[0]);
|
739 |
env->regs[0] = 0; |
740 |
break;
|
741 |
default:
|
742 |
gemu_log("qemu: Unsupported ARM syscall: 0x%x\n",
|
743 |
n); |
744 |
env->regs[0] = -TARGET_ENOSYS;
|
745 |
break;
|
746 |
} |
747 |
} else {
|
748 |
env->regs[0] = do_syscall(env,
|
749 |
n, |
750 |
env->regs[0],
|
751 |
env->regs[1],
|
752 |
env->regs[2],
|
753 |
env->regs[3],
|
754 |
env->regs[4],
|
755 |
env->regs[5]);
|
756 |
} |
757 |
} else {
|
758 |
goto error;
|
759 |
} |
760 |
} |
761 |
break;
|
762 |
case EXCP_INTERRUPT:
|
763 |
/* just indicate that signals should be handled asap */
|
764 |
break;
|
765 |
case EXCP_PREFETCH_ABORT:
|
766 |
addr = env->cp15.c6_insn; |
767 |
goto do_segv;
|
768 |
case EXCP_DATA_ABORT:
|
769 |
addr = env->cp15.c6_data; |
770 |
goto do_segv;
|
771 |
do_segv:
|
772 |
{ |
773 |
info.si_signo = SIGSEGV; |
774 |
info.si_errno = 0;
|
775 |
/* XXX: check env->error_code */
|
776 |
info.si_code = TARGET_SEGV_MAPERR; |
777 |
info._sifields._sigfault._addr = addr; |
778 |
queue_signal(env, info.si_signo, &info); |
779 |
} |
780 |
break;
|
781 |
case EXCP_DEBUG:
|
782 |
{ |
783 |
int sig;
|
784 |
|
785 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
786 |
if (sig)
|
787 |
{ |
788 |
info.si_signo = sig; |
789 |
info.si_errno = 0;
|
790 |
info.si_code = TARGET_TRAP_BRKPT; |
791 |
queue_signal(env, info.si_signo, &info); |
792 |
} |
793 |
} |
794 |
break;
|
795 |
case EXCP_KERNEL_TRAP:
|
796 |
if (do_kernel_trap(env))
|
797 |
goto error;
|
798 |
break;
|
799 |
case EXCP_STREX:
|
800 |
if (do_strex(env)) {
|
801 |
addr = env->cp15.c6_data; |
802 |
goto do_segv;
|
803 |
} |
804 |
break;
|
805 |
default:
|
806 |
error:
|
807 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
|
808 |
trapnr); |
809 |
cpu_dump_state(env, stderr, fprintf, 0);
|
810 |
abort(); |
811 |
} |
812 |
process_pending_signals(env); |
813 |
} |
814 |
} |
815 |
|
816 |
#endif
|
817 |
|
818 |
#ifdef TARGET_SPARC
|
819 |
#define SPARC64_STACK_BIAS 2047 |
820 |
|
821 |
//#define DEBUG_WIN
|
822 |
|
823 |
/* WARNING: dealing with register windows _is_ complicated. More info
|
824 |
can be found at http://www.sics.se/~psm/sparcstack.html */
|
825 |
static inline int get_reg_index(CPUSPARCState *env, int cwp, int index) |
826 |
{ |
827 |
index = (index + cwp * 16) % (16 * env->nwindows); |
828 |
/* wrap handling : if cwp is on the last window, then we use the
|
829 |
registers 'after' the end */
|
830 |
if (index < 8 && env->cwp == env->nwindows - 1) |
831 |
index += 16 * env->nwindows;
|
832 |
return index;
|
833 |
} |
834 |
|
835 |
/* save the register window 'cwp1' */
|
836 |
static inline void save_window_offset(CPUSPARCState *env, int cwp1) |
837 |
{ |
838 |
unsigned int i; |
839 |
abi_ulong sp_ptr; |
840 |
|
841 |
sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
|
842 |
#ifdef TARGET_SPARC64
|
843 |
if (sp_ptr & 3) |
844 |
sp_ptr += SPARC64_STACK_BIAS; |
845 |
#endif
|
846 |
#if defined(DEBUG_WIN)
|
847 |
printf("win_overflow: sp_ptr=0x" TARGET_ABI_FMT_lx " save_cwp=%d\n", |
848 |
sp_ptr, cwp1); |
849 |
#endif
|
850 |
for(i = 0; i < 16; i++) { |
851 |
/* FIXME - what to do if put_user() fails? */
|
852 |
put_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
|
853 |
sp_ptr += sizeof(abi_ulong);
|
854 |
} |
855 |
} |
856 |
|
857 |
static void save_window(CPUSPARCState *env) |
858 |
{ |
859 |
#ifndef TARGET_SPARC64
|
860 |
unsigned int new_wim; |
861 |
new_wim = ((env->wim >> 1) | (env->wim << (env->nwindows - 1))) & |
862 |
((1LL << env->nwindows) - 1); |
863 |
save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
|
864 |
env->wim = new_wim; |
865 |
#else
|
866 |
save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2));
|
867 |
env->cansave++; |
868 |
env->canrestore--; |
869 |
#endif
|
870 |
} |
871 |
|
872 |
static void restore_window(CPUSPARCState *env) |
873 |
{ |
874 |
#ifndef TARGET_SPARC64
|
875 |
unsigned int new_wim; |
876 |
#endif
|
877 |
unsigned int i, cwp1; |
878 |
abi_ulong sp_ptr; |
879 |
|
880 |
#ifndef TARGET_SPARC64
|
881 |
new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) & |
882 |
((1LL << env->nwindows) - 1); |
883 |
#endif
|
884 |
|
885 |
/* restore the invalid window */
|
886 |
cwp1 = cpu_cwp_inc(env, env->cwp + 1);
|
887 |
sp_ptr = env->regbase[get_reg_index(env, cwp1, 6)];
|
888 |
#ifdef TARGET_SPARC64
|
889 |
if (sp_ptr & 3) |
890 |
sp_ptr += SPARC64_STACK_BIAS; |
891 |
#endif
|
892 |
#if defined(DEBUG_WIN)
|
893 |
printf("win_underflow: sp_ptr=0x" TARGET_ABI_FMT_lx " load_cwp=%d\n", |
894 |
sp_ptr, cwp1); |
895 |
#endif
|
896 |
for(i = 0; i < 16; i++) { |
897 |
/* FIXME - what to do if get_user() fails? */
|
898 |
get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr);
|
899 |
sp_ptr += sizeof(abi_ulong);
|
900 |
} |
901 |
#ifdef TARGET_SPARC64
|
902 |
env->canrestore++; |
903 |
if (env->cleanwin < env->nwindows - 1) |
904 |
env->cleanwin++; |
905 |
env->cansave--; |
906 |
#else
|
907 |
env->wim = new_wim; |
908 |
#endif
|
909 |
} |
910 |
|
911 |
static void flush_windows(CPUSPARCState *env) |
912 |
{ |
913 |
int offset, cwp1;
|
914 |
|
915 |
offset = 1;
|
916 |
for(;;) {
|
917 |
/* if restore would invoke restore_window(), then we can stop */
|
918 |
cwp1 = cpu_cwp_inc(env, env->cwp + offset); |
919 |
#ifndef TARGET_SPARC64
|
920 |
if (env->wim & (1 << cwp1)) |
921 |
break;
|
922 |
#else
|
923 |
if (env->canrestore == 0) |
924 |
break;
|
925 |
env->cansave++; |
926 |
env->canrestore--; |
927 |
#endif
|
928 |
save_window_offset(env, cwp1); |
929 |
offset++; |
930 |
} |
931 |
cwp1 = cpu_cwp_inc(env, env->cwp + 1);
|
932 |
#ifndef TARGET_SPARC64
|
933 |
/* set wim so that restore will reload the registers */
|
934 |
env->wim = 1 << cwp1;
|
935 |
#endif
|
936 |
#if defined(DEBUG_WIN)
|
937 |
printf("flush_windows: nb=%d\n", offset - 1); |
938 |
#endif
|
939 |
} |
940 |
|
941 |
void cpu_loop (CPUSPARCState *env)
|
942 |
{ |
943 |
int trapnr, ret;
|
944 |
target_siginfo_t info; |
945 |
|
946 |
while (1) { |
947 |
trapnr = cpu_sparc_exec (env); |
948 |
|
949 |
switch (trapnr) {
|
950 |
#ifndef TARGET_SPARC64
|
951 |
case 0x88: |
952 |
case 0x90: |
953 |
#else
|
954 |
case 0x110: |
955 |
case 0x16d: |
956 |
#endif
|
957 |
ret = do_syscall (env, env->gregs[1],
|
958 |
env->regwptr[0], env->regwptr[1], |
959 |
env->regwptr[2], env->regwptr[3], |
960 |
env->regwptr[4], env->regwptr[5]); |
961 |
if ((unsigned int)ret >= (unsigned int)(-515)) { |
962 |
#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
|
963 |
env->xcc |= PSR_CARRY; |
964 |
#else
|
965 |
env->psr |= PSR_CARRY; |
966 |
#endif
|
967 |
ret = -ret; |
968 |
} else {
|
969 |
#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
|
970 |
env->xcc &= ~PSR_CARRY; |
971 |
#else
|
972 |
env->psr &= ~PSR_CARRY; |
973 |
#endif
|
974 |
} |
975 |
env->regwptr[0] = ret;
|
976 |
/* next instruction */
|
977 |
env->pc = env->npc; |
978 |
env->npc = env->npc + 4;
|
979 |
break;
|
980 |
case 0x83: /* flush windows */ |
981 |
#ifdef TARGET_ABI32
|
982 |
case 0x103: |
983 |
#endif
|
984 |
flush_windows(env); |
985 |
/* next instruction */
|
986 |
env->pc = env->npc; |
987 |
env->npc = env->npc + 4;
|
988 |
break;
|
989 |
#ifndef TARGET_SPARC64
|
990 |
case TT_WIN_OVF: /* window overflow */ |
991 |
save_window(env); |
992 |
break;
|
993 |
case TT_WIN_UNF: /* window underflow */ |
994 |
restore_window(env); |
995 |
break;
|
996 |
case TT_TFAULT:
|
997 |
case TT_DFAULT:
|
998 |
{ |
999 |
info.si_signo = SIGSEGV; |
1000 |
info.si_errno = 0;
|
1001 |
/* XXX: check env->error_code */
|
1002 |
info.si_code = TARGET_SEGV_MAPERR; |
1003 |
info._sifields._sigfault._addr = env->mmuregs[4];
|
1004 |
queue_signal(env, info.si_signo, &info); |
1005 |
} |
1006 |
break;
|
1007 |
#else
|
1008 |
case TT_SPILL: /* window overflow */ |
1009 |
save_window(env); |
1010 |
break;
|
1011 |
case TT_FILL: /* window underflow */ |
1012 |
restore_window(env); |
1013 |
break;
|
1014 |
case TT_TFAULT:
|
1015 |
case TT_DFAULT:
|
1016 |
{ |
1017 |
info.si_signo = SIGSEGV; |
1018 |
info.si_errno = 0;
|
1019 |
/* XXX: check env->error_code */
|
1020 |
info.si_code = TARGET_SEGV_MAPERR; |
1021 |
if (trapnr == TT_DFAULT)
|
1022 |
info._sifields._sigfault._addr = env->dmmuregs[4];
|
1023 |
else
|
1024 |
info._sifields._sigfault._addr = cpu_tsptr(env)->tpc; |
1025 |
queue_signal(env, info.si_signo, &info); |
1026 |
} |
1027 |
break;
|
1028 |
#ifndef TARGET_ABI32
|
1029 |
case 0x16e: |
1030 |
flush_windows(env); |
1031 |
sparc64_get_context(env); |
1032 |
break;
|
1033 |
case 0x16f: |
1034 |
flush_windows(env); |
1035 |
sparc64_set_context(env); |
1036 |
break;
|
1037 |
#endif
|
1038 |
#endif
|
1039 |
case EXCP_INTERRUPT:
|
1040 |
/* just indicate that signals should be handled asap */
|
1041 |
break;
|
1042 |
case EXCP_DEBUG:
|
1043 |
{ |
1044 |
int sig;
|
1045 |
|
1046 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
1047 |
if (sig)
|
1048 |
{ |
1049 |
info.si_signo = sig; |
1050 |
info.si_errno = 0;
|
1051 |
info.si_code = TARGET_TRAP_BRKPT; |
1052 |
queue_signal(env, info.si_signo, &info); |
1053 |
} |
1054 |
} |
1055 |
break;
|
1056 |
default:
|
1057 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
1058 |
cpu_dump_state(env, stderr, fprintf, 0);
|
1059 |
exit (1);
|
1060 |
} |
1061 |
process_pending_signals (env); |
1062 |
} |
1063 |
} |
1064 |
|
1065 |
#endif
|
1066 |
|
1067 |
#ifdef TARGET_PPC
|
1068 |
static inline uint64_t cpu_ppc_get_tb (CPUState *env) |
1069 |
{ |
1070 |
/* TO FIX */
|
1071 |
return 0; |
1072 |
} |
1073 |
|
1074 |
uint64_t cpu_ppc_load_tbl (CPUState *env) |
1075 |
{ |
1076 |
return cpu_ppc_get_tb(env);
|
1077 |
} |
1078 |
|
1079 |
uint32_t cpu_ppc_load_tbu (CPUState *env) |
1080 |
{ |
1081 |
return cpu_ppc_get_tb(env) >> 32; |
1082 |
} |
1083 |
|
1084 |
uint64_t cpu_ppc_load_atbl (CPUState *env) |
1085 |
{ |
1086 |
return cpu_ppc_get_tb(env);
|
1087 |
} |
1088 |
|
1089 |
uint32_t cpu_ppc_load_atbu (CPUState *env) |
1090 |
{ |
1091 |
return cpu_ppc_get_tb(env) >> 32; |
1092 |
} |
1093 |
|
1094 |
uint32_t cpu_ppc601_load_rtcu (CPUState *env) |
1095 |
__attribute__ (( alias ("cpu_ppc_load_tbu") ));
|
1096 |
|
1097 |
uint32_t cpu_ppc601_load_rtcl (CPUState *env) |
1098 |
{ |
1099 |
return cpu_ppc_load_tbl(env) & 0x3FFFFF80; |
1100 |
} |
1101 |
|
1102 |
/* XXX: to be fixed */
|
1103 |
int ppc_dcr_read (ppc_dcr_t *dcr_env, int dcrn, uint32_t *valp) |
1104 |
{ |
1105 |
return -1; |
1106 |
} |
1107 |
|
1108 |
int ppc_dcr_write (ppc_dcr_t *dcr_env, int dcrn, uint32_t val) |
1109 |
{ |
1110 |
return -1; |
1111 |
} |
1112 |
|
1113 |
#define EXCP_DUMP(env, fmt, ...) \
|
1114 |
do { \
|
1115 |
fprintf(stderr, fmt , ## __VA_ARGS__); \ |
1116 |
cpu_dump_state(env, stderr, fprintf, 0); \
|
1117 |
qemu_log(fmt, ## __VA_ARGS__); \ |
1118 |
if (logfile) \
|
1119 |
log_cpu_state(env, 0); \
|
1120 |
} while (0) |
1121 |
|
1122 |
static int do_store_exclusive(CPUPPCState *env) |
1123 |
{ |
1124 |
target_ulong addr; |
1125 |
target_ulong page_addr; |
1126 |
target_ulong val; |
1127 |
int flags;
|
1128 |
int segv = 0; |
1129 |
|
1130 |
addr = env->reserve_ea; |
1131 |
page_addr = addr & TARGET_PAGE_MASK; |
1132 |
start_exclusive(); |
1133 |
mmap_lock(); |
1134 |
flags = page_get_flags(page_addr); |
1135 |
if ((flags & PAGE_READ) == 0) { |
1136 |
segv = 1;
|
1137 |
} else {
|
1138 |
int reg = env->reserve_info & 0x1f; |
1139 |
int size = (env->reserve_info >> 5) & 0xf; |
1140 |
int stored = 0; |
1141 |
|
1142 |
if (addr == env->reserve_addr) {
|
1143 |
switch (size) {
|
1144 |
case 1: segv = get_user_u8(val, addr); break; |
1145 |
case 2: segv = get_user_u16(val, addr); break; |
1146 |
case 4: segv = get_user_u32(val, addr); break; |
1147 |
#if defined(TARGET_PPC64)
|
1148 |
case 8: segv = get_user_u64(val, addr); break; |
1149 |
#endif
|
1150 |
default: abort();
|
1151 |
} |
1152 |
if (!segv && val == env->reserve_val) {
|
1153 |
val = env->gpr[reg]; |
1154 |
switch (size) {
|
1155 |
case 1: segv = put_user_u8(val, addr); break; |
1156 |
case 2: segv = put_user_u16(val, addr); break; |
1157 |
case 4: segv = put_user_u32(val, addr); break; |
1158 |
#if defined(TARGET_PPC64)
|
1159 |
case 8: segv = put_user_u64(val, addr); break; |
1160 |
#endif
|
1161 |
default: abort();
|
1162 |
} |
1163 |
if (!segv) {
|
1164 |
stored = 1;
|
1165 |
} |
1166 |
} |
1167 |
} |
1168 |
env->crf[0] = (stored << 1) | xer_so; |
1169 |
env->reserve_addr = (target_ulong)-1;
|
1170 |
} |
1171 |
if (!segv) {
|
1172 |
env->nip += 4;
|
1173 |
} |
1174 |
mmap_unlock(); |
1175 |
end_exclusive(); |
1176 |
return segv;
|
1177 |
} |
1178 |
|
1179 |
void cpu_loop(CPUPPCState *env)
|
1180 |
{ |
1181 |
target_siginfo_t info; |
1182 |
int trapnr;
|
1183 |
uint32_t ret; |
1184 |
|
1185 |
for(;;) {
|
1186 |
cpu_exec_start(env); |
1187 |
trapnr = cpu_ppc_exec(env); |
1188 |
cpu_exec_end(env); |
1189 |
switch(trapnr) {
|
1190 |
case POWERPC_EXCP_NONE:
|
1191 |
/* Just go on */
|
1192 |
break;
|
1193 |
case POWERPC_EXCP_CRITICAL: /* Critical input */ |
1194 |
cpu_abort(env, "Critical interrupt while in user mode. "
|
1195 |
"Aborting\n");
|
1196 |
break;
|
1197 |
case POWERPC_EXCP_MCHECK: /* Machine check exception */ |
1198 |
cpu_abort(env, "Machine check exception while in user mode. "
|
1199 |
"Aborting\n");
|
1200 |
break;
|
1201 |
case POWERPC_EXCP_DSI: /* Data storage exception */ |
1202 |
EXCP_DUMP(env, "Invalid data memory access: 0x" TARGET_FMT_lx "\n", |
1203 |
env->spr[SPR_DAR]); |
1204 |
/* XXX: check this. Seems bugged */
|
1205 |
switch (env->error_code & 0xFF000000) { |
1206 |
case 0x40000000: |
1207 |
info.si_signo = TARGET_SIGSEGV; |
1208 |
info.si_errno = 0;
|
1209 |
info.si_code = TARGET_SEGV_MAPERR; |
1210 |
break;
|
1211 |
case 0x04000000: |
1212 |
info.si_signo = TARGET_SIGILL; |
1213 |
info.si_errno = 0;
|
1214 |
info.si_code = TARGET_ILL_ILLADR; |
1215 |
break;
|
1216 |
case 0x08000000: |
1217 |
info.si_signo = TARGET_SIGSEGV; |
1218 |
info.si_errno = 0;
|
1219 |
info.si_code = TARGET_SEGV_ACCERR; |
1220 |
break;
|
1221 |
default:
|
1222 |
/* Let's send a regular segfault... */
|
1223 |
EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
|
1224 |
env->error_code); |
1225 |
info.si_signo = TARGET_SIGSEGV; |
1226 |
info.si_errno = 0;
|
1227 |
info.si_code = TARGET_SEGV_MAPERR; |
1228 |
break;
|
1229 |
} |
1230 |
info._sifields._sigfault._addr = env->nip; |
1231 |
queue_signal(env, info.si_signo, &info); |
1232 |
break;
|
1233 |
case POWERPC_EXCP_ISI: /* Instruction storage exception */ |
1234 |
EXCP_DUMP(env, "Invalid instruction fetch: 0x\n" TARGET_FMT_lx
|
1235 |
"\n", env->spr[SPR_SRR0]);
|
1236 |
/* XXX: check this */
|
1237 |
switch (env->error_code & 0xFF000000) { |
1238 |
case 0x40000000: |
1239 |
info.si_signo = TARGET_SIGSEGV; |
1240 |
info.si_errno = 0;
|
1241 |
info.si_code = TARGET_SEGV_MAPERR; |
1242 |
break;
|
1243 |
case 0x10000000: |
1244 |
case 0x08000000: |
1245 |
info.si_signo = TARGET_SIGSEGV; |
1246 |
info.si_errno = 0;
|
1247 |
info.si_code = TARGET_SEGV_ACCERR; |
1248 |
break;
|
1249 |
default:
|
1250 |
/* Let's send a regular segfault... */
|
1251 |
EXCP_DUMP(env, "Invalid segfault errno (%02x)\n",
|
1252 |
env->error_code); |
1253 |
info.si_signo = TARGET_SIGSEGV; |
1254 |
info.si_errno = 0;
|
1255 |
info.si_code = TARGET_SEGV_MAPERR; |
1256 |
break;
|
1257 |
} |
1258 |
info._sifields._sigfault._addr = env->nip - 4;
|
1259 |
queue_signal(env, info.si_signo, &info); |
1260 |
break;
|
1261 |
case POWERPC_EXCP_EXTERNAL: /* External input */ |
1262 |
cpu_abort(env, "External interrupt while in user mode. "
|
1263 |
"Aborting\n");
|
1264 |
break;
|
1265 |
case POWERPC_EXCP_ALIGN: /* Alignment exception */ |
1266 |
EXCP_DUMP(env, "Unaligned memory access\n");
|
1267 |
/* XXX: check this */
|
1268 |
info.si_signo = TARGET_SIGBUS; |
1269 |
info.si_errno = 0;
|
1270 |
info.si_code = TARGET_BUS_ADRALN; |
1271 |
info._sifields._sigfault._addr = env->nip - 4;
|
1272 |
queue_signal(env, info.si_signo, &info); |
1273 |
break;
|
1274 |
case POWERPC_EXCP_PROGRAM: /* Program exception */ |
1275 |
/* XXX: check this */
|
1276 |
switch (env->error_code & ~0xF) { |
1277 |
case POWERPC_EXCP_FP:
|
1278 |
EXCP_DUMP(env, "Floating point program exception\n");
|
1279 |
info.si_signo = TARGET_SIGFPE; |
1280 |
info.si_errno = 0;
|
1281 |
switch (env->error_code & 0xF) { |
1282 |
case POWERPC_EXCP_FP_OX:
|
1283 |
info.si_code = TARGET_FPE_FLTOVF; |
1284 |
break;
|
1285 |
case POWERPC_EXCP_FP_UX:
|
1286 |
info.si_code = TARGET_FPE_FLTUND; |
1287 |
break;
|
1288 |
case POWERPC_EXCP_FP_ZX:
|
1289 |
case POWERPC_EXCP_FP_VXZDZ:
|
1290 |
info.si_code = TARGET_FPE_FLTDIV; |
1291 |
break;
|
1292 |
case POWERPC_EXCP_FP_XX:
|
1293 |
info.si_code = TARGET_FPE_FLTRES; |
1294 |
break;
|
1295 |
case POWERPC_EXCP_FP_VXSOFT:
|
1296 |
info.si_code = TARGET_FPE_FLTINV; |
1297 |
break;
|
1298 |
case POWERPC_EXCP_FP_VXSNAN:
|
1299 |
case POWERPC_EXCP_FP_VXISI:
|
1300 |
case POWERPC_EXCP_FP_VXIDI:
|
1301 |
case POWERPC_EXCP_FP_VXIMZ:
|
1302 |
case POWERPC_EXCP_FP_VXVC:
|
1303 |
case POWERPC_EXCP_FP_VXSQRT:
|
1304 |
case POWERPC_EXCP_FP_VXCVI:
|
1305 |
info.si_code = TARGET_FPE_FLTSUB; |
1306 |
break;
|
1307 |
default:
|
1308 |
EXCP_DUMP(env, "Unknown floating point exception (%02x)\n",
|
1309 |
env->error_code); |
1310 |
break;
|
1311 |
} |
1312 |
break;
|
1313 |
case POWERPC_EXCP_INVAL:
|
1314 |
EXCP_DUMP(env, "Invalid instruction\n");
|
1315 |
info.si_signo = TARGET_SIGILL; |
1316 |
info.si_errno = 0;
|
1317 |
switch (env->error_code & 0xF) { |
1318 |
case POWERPC_EXCP_INVAL_INVAL:
|
1319 |
info.si_code = TARGET_ILL_ILLOPC; |
1320 |
break;
|
1321 |
case POWERPC_EXCP_INVAL_LSWX:
|
1322 |
info.si_code = TARGET_ILL_ILLOPN; |
1323 |
break;
|
1324 |
case POWERPC_EXCP_INVAL_SPR:
|
1325 |
info.si_code = TARGET_ILL_PRVREG; |
1326 |
break;
|
1327 |
case POWERPC_EXCP_INVAL_FP:
|
1328 |
info.si_code = TARGET_ILL_COPROC; |
1329 |
break;
|
1330 |
default:
|
1331 |
EXCP_DUMP(env, "Unknown invalid operation (%02x)\n",
|
1332 |
env->error_code & 0xF);
|
1333 |
info.si_code = TARGET_ILL_ILLADR; |
1334 |
break;
|
1335 |
} |
1336 |
break;
|
1337 |
case POWERPC_EXCP_PRIV:
|
1338 |
EXCP_DUMP(env, "Privilege violation\n");
|
1339 |
info.si_signo = TARGET_SIGILL; |
1340 |
info.si_errno = 0;
|
1341 |
switch (env->error_code & 0xF) { |
1342 |
case POWERPC_EXCP_PRIV_OPC:
|
1343 |
info.si_code = TARGET_ILL_PRVOPC; |
1344 |
break;
|
1345 |
case POWERPC_EXCP_PRIV_REG:
|
1346 |
info.si_code = TARGET_ILL_PRVREG; |
1347 |
break;
|
1348 |
default:
|
1349 |
EXCP_DUMP(env, "Unknown privilege violation (%02x)\n",
|
1350 |
env->error_code & 0xF);
|
1351 |
info.si_code = TARGET_ILL_PRVOPC; |
1352 |
break;
|
1353 |
} |
1354 |
break;
|
1355 |
case POWERPC_EXCP_TRAP:
|
1356 |
cpu_abort(env, "Tried to call a TRAP\n");
|
1357 |
break;
|
1358 |
default:
|
1359 |
/* Should not happen ! */
|
1360 |
cpu_abort(env, "Unknown program exception (%02x)\n",
|
1361 |
env->error_code); |
1362 |
break;
|
1363 |
} |
1364 |
info._sifields._sigfault._addr = env->nip - 4;
|
1365 |
queue_signal(env, info.si_signo, &info); |
1366 |
break;
|
1367 |
case POWERPC_EXCP_FPU: /* Floating-point unavailable exception */ |
1368 |
EXCP_DUMP(env, "No floating point allowed\n");
|
1369 |
info.si_signo = TARGET_SIGILL; |
1370 |
info.si_errno = 0;
|
1371 |
info.si_code = TARGET_ILL_COPROC; |
1372 |
info._sifields._sigfault._addr = env->nip - 4;
|
1373 |
queue_signal(env, info.si_signo, &info); |
1374 |
break;
|
1375 |
case POWERPC_EXCP_SYSCALL: /* System call exception */ |
1376 |
cpu_abort(env, "Syscall exception while in user mode. "
|
1377 |
"Aborting\n");
|
1378 |
break;
|
1379 |
case POWERPC_EXCP_APU: /* Auxiliary processor unavailable */ |
1380 |
EXCP_DUMP(env, "No APU instruction allowed\n");
|
1381 |
info.si_signo = TARGET_SIGILL; |
1382 |
info.si_errno = 0;
|
1383 |
info.si_code = TARGET_ILL_COPROC; |
1384 |
info._sifields._sigfault._addr = env->nip - 4;
|
1385 |
queue_signal(env, info.si_signo, &info); |
1386 |
break;
|
1387 |
case POWERPC_EXCP_DECR: /* Decrementer exception */ |
1388 |
cpu_abort(env, "Decrementer interrupt while in user mode. "
|
1389 |
"Aborting\n");
|
1390 |
break;
|
1391 |
case POWERPC_EXCP_FIT: /* Fixed-interval timer interrupt */ |
1392 |
cpu_abort(env, "Fix interval timer interrupt while in user mode. "
|
1393 |
"Aborting\n");
|
1394 |
break;
|
1395 |
case POWERPC_EXCP_WDT: /* Watchdog timer interrupt */ |
1396 |
cpu_abort(env, "Watchdog timer interrupt while in user mode. "
|
1397 |
"Aborting\n");
|
1398 |
break;
|
1399 |
case POWERPC_EXCP_DTLB: /* Data TLB error */ |
1400 |
cpu_abort(env, "Data TLB exception while in user mode. "
|
1401 |
"Aborting\n");
|
1402 |
break;
|
1403 |
case POWERPC_EXCP_ITLB: /* Instruction TLB error */ |
1404 |
cpu_abort(env, "Instruction TLB exception while in user mode. "
|
1405 |
"Aborting\n");
|
1406 |
break;
|
1407 |
case POWERPC_EXCP_SPEU: /* SPE/embedded floating-point unavail. */ |
1408 |
EXCP_DUMP(env, "No SPE/floating-point instruction allowed\n");
|
1409 |
info.si_signo = TARGET_SIGILL; |
1410 |
info.si_errno = 0;
|
1411 |
info.si_code = TARGET_ILL_COPROC; |
1412 |
info._sifields._sigfault._addr = env->nip - 4;
|
1413 |
queue_signal(env, info.si_signo, &info); |
1414 |
break;
|
1415 |
case POWERPC_EXCP_EFPDI: /* Embedded floating-point data IRQ */ |
1416 |
cpu_abort(env, "Embedded floating-point data IRQ not handled\n");
|
1417 |
break;
|
1418 |
case POWERPC_EXCP_EFPRI: /* Embedded floating-point round IRQ */ |
1419 |
cpu_abort(env, "Embedded floating-point round IRQ not handled\n");
|
1420 |
break;
|
1421 |
case POWERPC_EXCP_EPERFM: /* Embedded performance monitor IRQ */ |
1422 |
cpu_abort(env, "Performance monitor exception not handled\n");
|
1423 |
break;
|
1424 |
case POWERPC_EXCP_DOORI: /* Embedded doorbell interrupt */ |
1425 |
cpu_abort(env, "Doorbell interrupt while in user mode. "
|
1426 |
"Aborting\n");
|
1427 |
break;
|
1428 |
case POWERPC_EXCP_DOORCI: /* Embedded doorbell critical interrupt */ |
1429 |
cpu_abort(env, "Doorbell critical interrupt while in user mode. "
|
1430 |
"Aborting\n");
|
1431 |
break;
|
1432 |
case POWERPC_EXCP_RESET: /* System reset exception */ |
1433 |
cpu_abort(env, "Reset interrupt while in user mode. "
|
1434 |
"Aborting\n");
|
1435 |
break;
|
1436 |
case POWERPC_EXCP_DSEG: /* Data segment exception */ |
1437 |
cpu_abort(env, "Data segment exception while in user mode. "
|
1438 |
"Aborting\n");
|
1439 |
break;
|
1440 |
case POWERPC_EXCP_ISEG: /* Instruction segment exception */ |
1441 |
cpu_abort(env, "Instruction segment exception "
|
1442 |
"while in user mode. Aborting\n");
|
1443 |
break;
|
1444 |
/* PowerPC 64 with hypervisor mode support */
|
1445 |
case POWERPC_EXCP_HDECR: /* Hypervisor decrementer exception */ |
1446 |
cpu_abort(env, "Hypervisor decrementer interrupt "
|
1447 |
"while in user mode. Aborting\n");
|
1448 |
break;
|
1449 |
case POWERPC_EXCP_TRACE: /* Trace exception */ |
1450 |
/* Nothing to do:
|
1451 |
* we use this exception to emulate step-by-step execution mode.
|
1452 |
*/
|
1453 |
break;
|
1454 |
/* PowerPC 64 with hypervisor mode support */
|
1455 |
case POWERPC_EXCP_HDSI: /* Hypervisor data storage exception */ |
1456 |
cpu_abort(env, "Hypervisor data storage exception "
|
1457 |
"while in user mode. Aborting\n");
|
1458 |
break;
|
1459 |
case POWERPC_EXCP_HISI: /* Hypervisor instruction storage excp */ |
1460 |
cpu_abort(env, "Hypervisor instruction storage exception "
|
1461 |
"while in user mode. Aborting\n");
|
1462 |
break;
|
1463 |
case POWERPC_EXCP_HDSEG: /* Hypervisor data segment exception */ |
1464 |
cpu_abort(env, "Hypervisor data segment exception "
|
1465 |
"while in user mode. Aborting\n");
|
1466 |
break;
|
1467 |
case POWERPC_EXCP_HISEG: /* Hypervisor instruction segment excp */ |
1468 |
cpu_abort(env, "Hypervisor instruction segment exception "
|
1469 |
"while in user mode. Aborting\n");
|
1470 |
break;
|
1471 |
case POWERPC_EXCP_VPU: /* Vector unavailable exception */ |
1472 |
EXCP_DUMP(env, "No Altivec instructions allowed\n");
|
1473 |
info.si_signo = TARGET_SIGILL; |
1474 |
info.si_errno = 0;
|
1475 |
info.si_code = TARGET_ILL_COPROC; |
1476 |
info._sifields._sigfault._addr = env->nip - 4;
|
1477 |
queue_signal(env, info.si_signo, &info); |
1478 |
break;
|
1479 |
case POWERPC_EXCP_PIT: /* Programmable interval timer IRQ */ |
1480 |
cpu_abort(env, "Programable interval timer interrupt "
|
1481 |
"while in user mode. Aborting\n");
|
1482 |
break;
|
1483 |
case POWERPC_EXCP_IO: /* IO error exception */ |
1484 |
cpu_abort(env, "IO error exception while in user mode. "
|
1485 |
"Aborting\n");
|
1486 |
break;
|
1487 |
case POWERPC_EXCP_RUNM: /* Run mode exception */ |
1488 |
cpu_abort(env, "Run mode exception while in user mode. "
|
1489 |
"Aborting\n");
|
1490 |
break;
|
1491 |
case POWERPC_EXCP_EMUL: /* Emulation trap exception */ |
1492 |
cpu_abort(env, "Emulation trap exception not handled\n");
|
1493 |
break;
|
1494 |
case POWERPC_EXCP_IFTLB: /* Instruction fetch TLB error */ |
1495 |
cpu_abort(env, "Instruction fetch TLB exception "
|
1496 |
"while in user-mode. Aborting");
|
1497 |
break;
|
1498 |
case POWERPC_EXCP_DLTLB: /* Data load TLB miss */ |
1499 |
cpu_abort(env, "Data load TLB exception while in user-mode. "
|
1500 |
"Aborting");
|
1501 |
break;
|
1502 |
case POWERPC_EXCP_DSTLB: /* Data store TLB miss */ |
1503 |
cpu_abort(env, "Data store TLB exception while in user-mode. "
|
1504 |
"Aborting");
|
1505 |
break;
|
1506 |
case POWERPC_EXCP_FPA: /* Floating-point assist exception */ |
1507 |
cpu_abort(env, "Floating-point assist exception not handled\n");
|
1508 |
break;
|
1509 |
case POWERPC_EXCP_IABR: /* Instruction address breakpoint */ |
1510 |
cpu_abort(env, "Instruction address breakpoint exception "
|
1511 |
"not handled\n");
|
1512 |
break;
|
1513 |
case POWERPC_EXCP_SMI: /* System management interrupt */ |
1514 |
cpu_abort(env, "System management interrupt while in user mode. "
|
1515 |
"Aborting\n");
|
1516 |
break;
|
1517 |
case POWERPC_EXCP_THERM: /* Thermal interrupt */ |
1518 |
cpu_abort(env, "Thermal interrupt interrupt while in user mode. "
|
1519 |
"Aborting\n");
|
1520 |
break;
|
1521 |
case POWERPC_EXCP_PERFM: /* Embedded performance monitor IRQ */ |
1522 |
cpu_abort(env, "Performance monitor exception not handled\n");
|
1523 |
break;
|
1524 |
case POWERPC_EXCP_VPUA: /* Vector assist exception */ |
1525 |
cpu_abort(env, "Vector assist exception not handled\n");
|
1526 |
break;
|
1527 |
case POWERPC_EXCP_SOFTP: /* Soft patch exception */ |
1528 |
cpu_abort(env, "Soft patch exception not handled\n");
|
1529 |
break;
|
1530 |
case POWERPC_EXCP_MAINT: /* Maintenance exception */ |
1531 |
cpu_abort(env, "Maintenance exception while in user mode. "
|
1532 |
"Aborting\n");
|
1533 |
break;
|
1534 |
case POWERPC_EXCP_STOP: /* stop translation */ |
1535 |
/* We did invalidate the instruction cache. Go on */
|
1536 |
break;
|
1537 |
case POWERPC_EXCP_BRANCH: /* branch instruction: */ |
1538 |
/* We just stopped because of a branch. Go on */
|
1539 |
break;
|
1540 |
case POWERPC_EXCP_SYSCALL_USER:
|
1541 |
/* system call in user-mode emulation */
|
1542 |
/* WARNING:
|
1543 |
* PPC ABI uses overflow flag in cr0 to signal an error
|
1544 |
* in syscalls.
|
1545 |
*/
|
1546 |
#if 0
|
1547 |
printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
|
1548 |
env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]);
|
1549 |
#endif
|
1550 |
env->crf[0] &= ~0x1; |
1551 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
1552 |
env->gpr[5], env->gpr[6], env->gpr[7], |
1553 |
env->gpr[8]);
|
1554 |
if (ret == (uint32_t)(-TARGET_QEMU_ESIGRETURN)) {
|
1555 |
/* Returning from a successful sigreturn syscall.
|
1556 |
Avoid corrupting register state. */
|
1557 |
break;
|
1558 |
} |
1559 |
if (ret > (uint32_t)(-515)) { |
1560 |
env->crf[0] |= 0x1; |
1561 |
ret = -ret; |
1562 |
} |
1563 |
env->gpr[3] = ret;
|
1564 |
#if 0
|
1565 |
printf("syscall returned 0x%08x (%d)\n", ret, ret);
|
1566 |
#endif
|
1567 |
break;
|
1568 |
case POWERPC_EXCP_STCX:
|
1569 |
if (do_store_exclusive(env)) {
|
1570 |
info.si_signo = TARGET_SIGSEGV; |
1571 |
info.si_errno = 0;
|
1572 |
info.si_code = TARGET_SEGV_MAPERR; |
1573 |
info._sifields._sigfault._addr = env->nip; |
1574 |
queue_signal(env, info.si_signo, &info); |
1575 |
} |
1576 |
break;
|
1577 |
case EXCP_DEBUG:
|
1578 |
{ |
1579 |
int sig;
|
1580 |
|
1581 |
sig = gdb_handlesig(env, TARGET_SIGTRAP); |
1582 |
if (sig) {
|
1583 |
info.si_signo = sig; |
1584 |
info.si_errno = 0;
|
1585 |
info.si_code = TARGET_TRAP_BRKPT; |
1586 |
queue_signal(env, info.si_signo, &info); |
1587 |
} |
1588 |
} |
1589 |
break;
|
1590 |
case EXCP_INTERRUPT:
|
1591 |
/* just indicate that signals should be handled asap */
|
1592 |
break;
|
1593 |
default:
|
1594 |
cpu_abort(env, "Unknown exception 0x%d. Aborting\n", trapnr);
|
1595 |
break;
|
1596 |
} |
1597 |
process_pending_signals(env); |
1598 |
} |
1599 |
} |
1600 |
#endif
|
1601 |
|
1602 |
#ifdef TARGET_MIPS
|
1603 |
|
1604 |
#define MIPS_SYS(name, args) args,
|
1605 |
|
1606 |
static const uint8_t mips_syscall_args[] = { |
1607 |
MIPS_SYS(sys_syscall , 0) /* 4000 */ |
1608 |
MIPS_SYS(sys_exit , 1)
|
1609 |
MIPS_SYS(sys_fork , 0)
|
1610 |
MIPS_SYS(sys_read , 3)
|
1611 |
MIPS_SYS(sys_write , 3)
|
1612 |
MIPS_SYS(sys_open , 3) /* 4005 */ |
1613 |
MIPS_SYS(sys_close , 1)
|
1614 |
MIPS_SYS(sys_waitpid , 3)
|
1615 |
MIPS_SYS(sys_creat , 2)
|
1616 |
MIPS_SYS(sys_link , 2)
|
1617 |
MIPS_SYS(sys_unlink , 1) /* 4010 */ |
1618 |
MIPS_SYS(sys_execve , 0)
|
1619 |
MIPS_SYS(sys_chdir , 1)
|
1620 |
MIPS_SYS(sys_time , 1)
|
1621 |
MIPS_SYS(sys_mknod , 3)
|
1622 |
MIPS_SYS(sys_chmod , 2) /* 4015 */ |
1623 |
MIPS_SYS(sys_lchown , 3)
|
1624 |
MIPS_SYS(sys_ni_syscall , 0)
|
1625 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ |
1626 |
MIPS_SYS(sys_lseek , 3)
|
1627 |
MIPS_SYS(sys_getpid , 0) /* 4020 */ |
1628 |
MIPS_SYS(sys_mount , 5)
|
1629 |
MIPS_SYS(sys_oldumount , 1)
|
1630 |
MIPS_SYS(sys_setuid , 1)
|
1631 |
MIPS_SYS(sys_getuid , 0)
|
1632 |
MIPS_SYS(sys_stime , 1) /* 4025 */ |
1633 |
MIPS_SYS(sys_ptrace , 4)
|
1634 |
MIPS_SYS(sys_alarm , 1)
|
1635 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ |
1636 |
MIPS_SYS(sys_pause , 0)
|
1637 |
MIPS_SYS(sys_utime , 2) /* 4030 */ |
1638 |
MIPS_SYS(sys_ni_syscall , 0)
|
1639 |
MIPS_SYS(sys_ni_syscall , 0)
|
1640 |
MIPS_SYS(sys_access , 2)
|
1641 |
MIPS_SYS(sys_nice , 1)
|
1642 |
MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ |
1643 |
MIPS_SYS(sys_sync , 0)
|
1644 |
MIPS_SYS(sys_kill , 2)
|
1645 |
MIPS_SYS(sys_rename , 2)
|
1646 |
MIPS_SYS(sys_mkdir , 2)
|
1647 |
MIPS_SYS(sys_rmdir , 1) /* 4040 */ |
1648 |
MIPS_SYS(sys_dup , 1)
|
1649 |
MIPS_SYS(sys_pipe , 0)
|
1650 |
MIPS_SYS(sys_times , 1)
|
1651 |
MIPS_SYS(sys_ni_syscall , 0)
|
1652 |
MIPS_SYS(sys_brk , 1) /* 4045 */ |
1653 |
MIPS_SYS(sys_setgid , 1)
|
1654 |
MIPS_SYS(sys_getgid , 0)
|
1655 |
MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ |
1656 |
MIPS_SYS(sys_geteuid , 0)
|
1657 |
MIPS_SYS(sys_getegid , 0) /* 4050 */ |
1658 |
MIPS_SYS(sys_acct , 0)
|
1659 |
MIPS_SYS(sys_umount , 2)
|
1660 |
MIPS_SYS(sys_ni_syscall , 0)
|
1661 |
MIPS_SYS(sys_ioctl , 3)
|
1662 |
MIPS_SYS(sys_fcntl , 3) /* 4055 */ |
1663 |
MIPS_SYS(sys_ni_syscall , 2)
|
1664 |
MIPS_SYS(sys_setpgid , 2)
|
1665 |
MIPS_SYS(sys_ni_syscall , 0)
|
1666 |
MIPS_SYS(sys_olduname , 1)
|
1667 |
MIPS_SYS(sys_umask , 1) /* 4060 */ |
1668 |
MIPS_SYS(sys_chroot , 1)
|
1669 |
MIPS_SYS(sys_ustat , 2)
|
1670 |
MIPS_SYS(sys_dup2 , 2)
|
1671 |
MIPS_SYS(sys_getppid , 0)
|
1672 |
MIPS_SYS(sys_getpgrp , 0) /* 4065 */ |
1673 |
MIPS_SYS(sys_setsid , 0)
|
1674 |
MIPS_SYS(sys_sigaction , 3)
|
1675 |
MIPS_SYS(sys_sgetmask , 0)
|
1676 |
MIPS_SYS(sys_ssetmask , 1)
|
1677 |
MIPS_SYS(sys_setreuid , 2) /* 4070 */ |
1678 |
MIPS_SYS(sys_setregid , 2)
|
1679 |
MIPS_SYS(sys_sigsuspend , 0)
|
1680 |
MIPS_SYS(sys_sigpending , 1)
|
1681 |
MIPS_SYS(sys_sethostname , 2)
|
1682 |
MIPS_SYS(sys_setrlimit , 2) /* 4075 */ |
1683 |
MIPS_SYS(sys_getrlimit , 2)
|
1684 |
MIPS_SYS(sys_getrusage , 2)
|
1685 |
MIPS_SYS(sys_gettimeofday, 2)
|
1686 |
MIPS_SYS(sys_settimeofday, 2)
|
1687 |
MIPS_SYS(sys_getgroups , 2) /* 4080 */ |
1688 |
MIPS_SYS(sys_setgroups , 2)
|
1689 |
MIPS_SYS(sys_ni_syscall , 0) /* old_select */ |
1690 |
MIPS_SYS(sys_symlink , 2)
|
1691 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ |
1692 |
MIPS_SYS(sys_readlink , 3) /* 4085 */ |
1693 |
MIPS_SYS(sys_uselib , 1)
|
1694 |
MIPS_SYS(sys_swapon , 2)
|
1695 |
MIPS_SYS(sys_reboot , 3)
|
1696 |
MIPS_SYS(old_readdir , 3)
|
1697 |
MIPS_SYS(old_mmap , 6) /* 4090 */ |
1698 |
MIPS_SYS(sys_munmap , 2)
|
1699 |
MIPS_SYS(sys_truncate , 2)
|
1700 |
MIPS_SYS(sys_ftruncate , 2)
|
1701 |
MIPS_SYS(sys_fchmod , 2)
|
1702 |
MIPS_SYS(sys_fchown , 3) /* 4095 */ |
1703 |
MIPS_SYS(sys_getpriority , 2)
|
1704 |
MIPS_SYS(sys_setpriority , 3)
|
1705 |
MIPS_SYS(sys_ni_syscall , 0)
|
1706 |
MIPS_SYS(sys_statfs , 2)
|
1707 |
MIPS_SYS(sys_fstatfs , 2) /* 4100 */ |
1708 |
MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ |
1709 |
MIPS_SYS(sys_socketcall , 2)
|
1710 |
MIPS_SYS(sys_syslog , 3)
|
1711 |
MIPS_SYS(sys_setitimer , 3)
|
1712 |
MIPS_SYS(sys_getitimer , 2) /* 4105 */ |
1713 |
MIPS_SYS(sys_newstat , 2)
|
1714 |
MIPS_SYS(sys_newlstat , 2)
|
1715 |
MIPS_SYS(sys_newfstat , 2)
|
1716 |
MIPS_SYS(sys_uname , 1)
|
1717 |
MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ |
1718 |
MIPS_SYS(sys_vhangup , 0)
|
1719 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ |
1720 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ |
1721 |
MIPS_SYS(sys_wait4 , 4)
|
1722 |
MIPS_SYS(sys_swapoff , 1) /* 4115 */ |
1723 |
MIPS_SYS(sys_sysinfo , 1)
|
1724 |
MIPS_SYS(sys_ipc , 6)
|
1725 |
MIPS_SYS(sys_fsync , 1)
|
1726 |
MIPS_SYS(sys_sigreturn , 0)
|
1727 |
MIPS_SYS(sys_clone , 6) /* 4120 */ |
1728 |
MIPS_SYS(sys_setdomainname, 2)
|
1729 |
MIPS_SYS(sys_newuname , 1)
|
1730 |
MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ |
1731 |
MIPS_SYS(sys_adjtimex , 1)
|
1732 |
MIPS_SYS(sys_mprotect , 3) /* 4125 */ |
1733 |
MIPS_SYS(sys_sigprocmask , 3)
|
1734 |
MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ |
1735 |
MIPS_SYS(sys_init_module , 5)
|
1736 |
MIPS_SYS(sys_delete_module, 1)
|
1737 |
MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ |
1738 |
MIPS_SYS(sys_quotactl , 0)
|
1739 |
MIPS_SYS(sys_getpgid , 1)
|
1740 |
MIPS_SYS(sys_fchdir , 1)
|
1741 |
MIPS_SYS(sys_bdflush , 2)
|
1742 |
MIPS_SYS(sys_sysfs , 3) /* 4135 */ |
1743 |
MIPS_SYS(sys_personality , 1)
|
1744 |
MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ |
1745 |
MIPS_SYS(sys_setfsuid , 1)
|
1746 |
MIPS_SYS(sys_setfsgid , 1)
|
1747 |
MIPS_SYS(sys_llseek , 5) /* 4140 */ |
1748 |
MIPS_SYS(sys_getdents , 3)
|
1749 |
MIPS_SYS(sys_select , 5)
|
1750 |
MIPS_SYS(sys_flock , 2)
|
1751 |
MIPS_SYS(sys_msync , 3)
|
1752 |
MIPS_SYS(sys_readv , 3) /* 4145 */ |
1753 |
MIPS_SYS(sys_writev , 3)
|
1754 |
MIPS_SYS(sys_cacheflush , 3)
|
1755 |
MIPS_SYS(sys_cachectl , 3)
|
1756 |
MIPS_SYS(sys_sysmips , 4)
|
1757 |
MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ |
1758 |
MIPS_SYS(sys_getsid , 1)
|
1759 |
MIPS_SYS(sys_fdatasync , 0)
|
1760 |
MIPS_SYS(sys_sysctl , 1)
|
1761 |
MIPS_SYS(sys_mlock , 2)
|
1762 |
MIPS_SYS(sys_munlock , 2) /* 4155 */ |
1763 |
MIPS_SYS(sys_mlockall , 1)
|
1764 |
MIPS_SYS(sys_munlockall , 0)
|
1765 |
MIPS_SYS(sys_sched_setparam, 2)
|
1766 |
MIPS_SYS(sys_sched_getparam, 2)
|
1767 |
MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ |
1768 |
MIPS_SYS(sys_sched_getscheduler, 1)
|
1769 |
MIPS_SYS(sys_sched_yield , 0)
|
1770 |
MIPS_SYS(sys_sched_get_priority_max, 1)
|
1771 |
MIPS_SYS(sys_sched_get_priority_min, 1)
|
1772 |
MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ |
1773 |
MIPS_SYS(sys_nanosleep, 2)
|
1774 |
MIPS_SYS(sys_mremap , 4)
|
1775 |
MIPS_SYS(sys_accept , 3)
|
1776 |
MIPS_SYS(sys_bind , 3)
|
1777 |
MIPS_SYS(sys_connect , 3) /* 4170 */ |
1778 |
MIPS_SYS(sys_getpeername , 3)
|
1779 |
MIPS_SYS(sys_getsockname , 3)
|
1780 |
MIPS_SYS(sys_getsockopt , 5)
|
1781 |
MIPS_SYS(sys_listen , 2)
|
1782 |
MIPS_SYS(sys_recv , 4) /* 4175 */ |
1783 |
MIPS_SYS(sys_recvfrom , 6)
|
1784 |
MIPS_SYS(sys_recvmsg , 3)
|
1785 |
MIPS_SYS(sys_send , 4)
|
1786 |
MIPS_SYS(sys_sendmsg , 3)
|
1787 |
MIPS_SYS(sys_sendto , 6) /* 4180 */ |
1788 |
MIPS_SYS(sys_setsockopt , 5)
|
1789 |
MIPS_SYS(sys_shutdown , 2)
|
1790 |
MIPS_SYS(sys_socket , 3)
|
1791 |
MIPS_SYS(sys_socketpair , 4)
|
1792 |
MIPS_SYS(sys_setresuid , 3) /* 4185 */ |
1793 |
MIPS_SYS(sys_getresuid , 3)
|
1794 |
MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ |
1795 |
MIPS_SYS(sys_poll , 3)
|
1796 |
MIPS_SYS(sys_nfsservctl , 3)
|
1797 |
MIPS_SYS(sys_setresgid , 3) /* 4190 */ |
1798 |
MIPS_SYS(sys_getresgid , 3)
|
1799 |
MIPS_SYS(sys_prctl , 5)
|
1800 |
MIPS_SYS(sys_rt_sigreturn, 0)
|
1801 |
MIPS_SYS(sys_rt_sigaction, 4)
|
1802 |
MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ |
1803 |
MIPS_SYS(sys_rt_sigpending, 2)
|
1804 |
MIPS_SYS(sys_rt_sigtimedwait, 4)
|
1805 |
MIPS_SYS(sys_rt_sigqueueinfo, 3)
|
1806 |
MIPS_SYS(sys_rt_sigsuspend, 0)
|
1807 |
MIPS_SYS(sys_pread64 , 6) /* 4200 */ |
1808 |
MIPS_SYS(sys_pwrite64 , 6)
|
1809 |
MIPS_SYS(sys_chown , 3)
|
1810 |
MIPS_SYS(sys_getcwd , 2)
|
1811 |
MIPS_SYS(sys_capget , 2)
|
1812 |
MIPS_SYS(sys_capset , 2) /* 4205 */ |
1813 |
MIPS_SYS(sys_sigaltstack , 0)
|
1814 |
MIPS_SYS(sys_sendfile , 4)
|
1815 |
MIPS_SYS(sys_ni_syscall , 0)
|
1816 |
MIPS_SYS(sys_ni_syscall , 0)
|
1817 |
MIPS_SYS(sys_mmap2 , 6) /* 4210 */ |
1818 |
MIPS_SYS(sys_truncate64 , 4)
|
1819 |
MIPS_SYS(sys_ftruncate64 , 4)
|
1820 |
MIPS_SYS(sys_stat64 , 2)
|
1821 |
MIPS_SYS(sys_lstat64 , 2)
|
1822 |
MIPS_SYS(sys_fstat64 , 2) /* 4215 */ |
1823 |
MIPS_SYS(sys_pivot_root , 2)
|
1824 |
MIPS_SYS(sys_mincore , 3)
|
1825 |
MIPS_SYS(sys_madvise , 3)
|
1826 |
MIPS_SYS(sys_getdents64 , 3)
|
1827 |
MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ |
1828 |
MIPS_SYS(sys_ni_syscall , 0)
|
1829 |
MIPS_SYS(sys_gettid , 0)
|
1830 |
MIPS_SYS(sys_readahead , 5)
|
1831 |
MIPS_SYS(sys_setxattr , 5)
|
1832 |
MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ |
1833 |
MIPS_SYS(sys_fsetxattr , 5)
|
1834 |
MIPS_SYS(sys_getxattr , 4)
|
1835 |
MIPS_SYS(sys_lgetxattr , 4)
|
1836 |
MIPS_SYS(sys_fgetxattr , 4)
|
1837 |
MIPS_SYS(sys_listxattr , 3) /* 4230 */ |
1838 |
MIPS_SYS(sys_llistxattr , 3)
|
1839 |
MIPS_SYS(sys_flistxattr , 3)
|
1840 |
MIPS_SYS(sys_removexattr , 2)
|
1841 |
MIPS_SYS(sys_lremovexattr, 2)
|
1842 |
MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ |
1843 |
MIPS_SYS(sys_tkill , 2)
|
1844 |
MIPS_SYS(sys_sendfile64 , 5)
|
1845 |
MIPS_SYS(sys_futex , 2)
|
1846 |
MIPS_SYS(sys_sched_setaffinity, 3)
|
1847 |
MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ |
1848 |
MIPS_SYS(sys_io_setup , 2)
|
1849 |
MIPS_SYS(sys_io_destroy , 1)
|
1850 |
MIPS_SYS(sys_io_getevents, 5)
|
1851 |
MIPS_SYS(sys_io_submit , 3)
|
1852 |
MIPS_SYS(sys_io_cancel , 3) /* 4245 */ |
1853 |
MIPS_SYS(sys_exit_group , 1)
|
1854 |
MIPS_SYS(sys_lookup_dcookie, 3)
|
1855 |
MIPS_SYS(sys_epoll_create, 1)
|
1856 |
MIPS_SYS(sys_epoll_ctl , 4)
|
1857 |
MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ |
1858 |
MIPS_SYS(sys_remap_file_pages, 5)
|
1859 |
MIPS_SYS(sys_set_tid_address, 1)
|
1860 |
MIPS_SYS(sys_restart_syscall, 0)
|
1861 |
MIPS_SYS(sys_fadvise64_64, 7)
|
1862 |
MIPS_SYS(sys_statfs64 , 3) /* 4255 */ |
1863 |
MIPS_SYS(sys_fstatfs64 , 2)
|
1864 |
MIPS_SYS(sys_timer_create, 3)
|
1865 |
MIPS_SYS(sys_timer_settime, 4)
|
1866 |
MIPS_SYS(sys_timer_gettime, 2)
|
1867 |
MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ |
1868 |
MIPS_SYS(sys_timer_delete, 1)
|
1869 |
MIPS_SYS(sys_clock_settime, 2)
|
1870 |
MIPS_SYS(sys_clock_gettime, 2)
|
1871 |
MIPS_SYS(sys_clock_getres, 2)
|
1872 |
MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ |
1873 |
MIPS_SYS(sys_tgkill , 3)
|
1874 |
MIPS_SYS(sys_utimes , 2)
|
1875 |
MIPS_SYS(sys_mbind , 4)
|
1876 |
MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ |
1877 |
MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ |
1878 |
MIPS_SYS(sys_mq_open , 4)
|
1879 |
MIPS_SYS(sys_mq_unlink , 1)
|
1880 |
MIPS_SYS(sys_mq_timedsend, 5)
|
1881 |
MIPS_SYS(sys_mq_timedreceive, 5)
|
1882 |
MIPS_SYS(sys_mq_notify , 2) /* 4275 */ |
1883 |
MIPS_SYS(sys_mq_getsetattr, 3)
|
1884 |
MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ |
1885 |
MIPS_SYS(sys_waitid , 4)
|
1886 |
MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ |
1887 |
MIPS_SYS(sys_add_key , 5)
|
1888 |
MIPS_SYS(sys_request_key, 4)
|
1889 |
MIPS_SYS(sys_keyctl , 5)
|
1890 |
MIPS_SYS(sys_set_thread_area, 1)
|
1891 |
MIPS_SYS(sys_inotify_init, 0)
|
1892 |
MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ |
1893 |
MIPS_SYS(sys_inotify_rm_watch, 2)
|
1894 |
MIPS_SYS(sys_migrate_pages, 4)
|
1895 |
MIPS_SYS(sys_openat, 4)
|
1896 |
MIPS_SYS(sys_mkdirat, 3)
|
1897 |
MIPS_SYS(sys_mknodat, 4) /* 4290 */ |
1898 |
MIPS_SYS(sys_fchownat, 5)
|
1899 |
MIPS_SYS(sys_futimesat, 3)
|
1900 |
MIPS_SYS(sys_fstatat64, 4)
|
1901 |
MIPS_SYS(sys_unlinkat, 3)
|
1902 |
MIPS_SYS(sys_renameat, 4) /* 4295 */ |
1903 |
MIPS_SYS(sys_linkat, 5)
|
1904 |
MIPS_SYS(sys_symlinkat, 3)
|
1905 |
MIPS_SYS(sys_readlinkat, 4)
|
1906 |
MIPS_SYS(sys_fchmodat, 3)
|
1907 |
MIPS_SYS(sys_faccessat, 3) /* 4300 */ |
1908 |
MIPS_SYS(sys_pselect6, 6)
|
1909 |
MIPS_SYS(sys_ppoll, 5)
|
1910 |
MIPS_SYS(sys_unshare, 1)
|
1911 |
MIPS_SYS(sys_splice, 4)
|
1912 |
MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ |
1913 |
MIPS_SYS(sys_tee, 4)
|
1914 |
MIPS_SYS(sys_vmsplice, 4)
|
1915 |
MIPS_SYS(sys_move_pages, 6)
|
1916 |
MIPS_SYS(sys_set_robust_list, 2)
|
1917 |
MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ |
1918 |
MIPS_SYS(sys_kexec_load, 4)
|
1919 |
MIPS_SYS(sys_getcpu, 3)
|
1920 |
MIPS_SYS(sys_epoll_pwait, 6)
|
1921 |
MIPS_SYS(sys_ioprio_set, 3)
|
1922 |
MIPS_SYS(sys_ioprio_get, 2)
|
1923 |
}; |
1924 |
|
1925 |
#undef MIPS_SYS
|
1926 |
|
1927 |
static int do_store_exclusive(CPUMIPSState *env) |
1928 |
{ |
1929 |
target_ulong addr; |
1930 |
target_ulong page_addr; |
1931 |
target_ulong val; |
1932 |
int flags;
|
1933 |
int segv = 0; |
1934 |
int reg;
|
1935 |
int d;
|
1936 |
|
1937 |
addr = env->lladdr; |
1938 |
page_addr = addr & TARGET_PAGE_MASK; |
1939 |
start_exclusive(); |
1940 |
mmap_lock(); |
1941 |
flags = page_get_flags(page_addr); |
1942 |
if ((flags & PAGE_READ) == 0) { |
1943 |
segv = 1;
|
1944 |
} else {
|
1945 |
reg = env->llreg & 0x1f;
|
1946 |
d = (env->llreg & 0x20) != 0; |
1947 |
if (d) {
|
1948 |
segv = get_user_s64(val, addr); |
1949 |
} else {
|
1950 |
segv = get_user_s32(val, addr); |
1951 |
} |
1952 |
if (!segv) {
|
1953 |
if (val != env->llval) {
|
1954 |
env->active_tc.gpr[reg] = 0;
|
1955 |
} else {
|
1956 |
if (d) {
|
1957 |
segv = put_user_u64(env->llnewval, addr); |
1958 |
} else {
|
1959 |
segv = put_user_u32(env->llnewval, addr); |
1960 |
} |
1961 |
if (!segv) {
|
1962 |
env->active_tc.gpr[reg] = 1;
|
1963 |
} |
1964 |
} |
1965 |
} |
1966 |
} |
1967 |
env->lladdr = -1;
|
1968 |
if (!segv) {
|
1969 |
env->active_tc.PC += 4;
|
1970 |
} |
1971 |
mmap_unlock(); |
1972 |
end_exclusive(); |
1973 |
return segv;
|
1974 |
} |
1975 |
|
1976 |
void cpu_loop(CPUMIPSState *env)
|
1977 |
{ |
1978 |
target_siginfo_t info; |
1979 |
int trapnr, ret;
|
1980 |
unsigned int syscall_num; |
1981 |
|
1982 |
for(;;) {
|
1983 |
cpu_exec_start(env); |
1984 |
trapnr = cpu_mips_exec(env); |
1985 |
cpu_exec_end(env); |
1986 |
switch(trapnr) {
|
1987 |
case EXCP_SYSCALL:
|
1988 |
syscall_num = env->active_tc.gpr[2] - 4000; |
1989 |
env->active_tc.PC += 4;
|
1990 |
if (syscall_num >= sizeof(mips_syscall_args)) { |
1991 |
ret = -ENOSYS; |
1992 |
} else {
|
1993 |
int nb_args;
|
1994 |
abi_ulong sp_reg; |
1995 |
abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; |
1996 |
|
1997 |
nb_args = mips_syscall_args[syscall_num]; |
1998 |
sp_reg = env->active_tc.gpr[29];
|
1999 |
switch (nb_args) {
|
2000 |
/* these arguments are taken from the stack */
|
2001 |
/* FIXME - what to do if get_user() fails? */
|
2002 |
case 8: get_user_ual(arg8, sp_reg + 28); |
2003 |
case 7: get_user_ual(arg7, sp_reg + 24); |
2004 |
case 6: get_user_ual(arg6, sp_reg + 20); |
2005 |
case 5: get_user_ual(arg5, sp_reg + 16); |
2006 |
default:
|
2007 |
break;
|
2008 |
} |
2009 |
ret = do_syscall(env, env->active_tc.gpr[2],
|
2010 |
env->active_tc.gpr[4],
|
2011 |
env->active_tc.gpr[5],
|
2012 |
env->active_tc.gpr[6],
|
2013 |
env->active_tc.gpr[7],
|
2014 |
arg5, arg6/*, arg7, arg8*/);
|
2015 |
} |
2016 |
if (ret == -TARGET_QEMU_ESIGRETURN) {
|
2017 |
/* Returning from a successful sigreturn syscall.
|
2018 |
Avoid clobbering register state. */
|
2019 |
break;
|
2020 |
} |
2021 |
if ((unsigned int)ret >= (unsigned int)(-1133)) { |
2022 |
env->active_tc.gpr[7] = 1; /* error flag */ |
2023 |
ret = -ret; |
2024 |
} else {
|
2025 |
env->active_tc.gpr[7] = 0; /* error flag */ |
2026 |
} |
2027 |
env->active_tc.gpr[2] = ret;
|
2028 |
break;
|
2029 |
case EXCP_TLBL:
|
2030 |
case EXCP_TLBS:
|
2031 |
info.si_signo = TARGET_SIGSEGV; |
2032 |
info.si_errno = 0;
|
2033 |
/* XXX: check env->error_code */
|
2034 |
info.si_code = TARGET_SEGV_MAPERR; |
2035 |
info._sifields._sigfault._addr = env->CP0_BadVAddr; |
2036 |
queue_signal(env, info.si_signo, &info); |
2037 |
break;
|
2038 |
case EXCP_CpU:
|
2039 |
case EXCP_RI:
|
2040 |
info.si_signo = TARGET_SIGILL; |
2041 |
info.si_errno = 0;
|
2042 |
info.si_code = 0;
|
2043 |
queue_signal(env, info.si_signo, &info); |
2044 |
break;
|
2045 |
case EXCP_INTERRUPT:
|
2046 |
/* just indicate that signals should be handled asap */
|
2047 |
break;
|
2048 |
case EXCP_DEBUG:
|
2049 |
{ |
2050 |
int sig;
|
2051 |
|
2052 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
2053 |
if (sig)
|
2054 |
{ |
2055 |
info.si_signo = sig; |
2056 |
info.si_errno = 0;
|
2057 |
info.si_code = TARGET_TRAP_BRKPT; |
2058 |
queue_signal(env, info.si_signo, &info); |
2059 |
} |
2060 |
} |
2061 |
break;
|
2062 |
case EXCP_SC:
|
2063 |
if (do_store_exclusive(env)) {
|
2064 |
info.si_signo = TARGET_SIGSEGV; |
2065 |
info.si_errno = 0;
|
2066 |
info.si_code = TARGET_SEGV_MAPERR; |
2067 |
info._sifields._sigfault._addr = env->active_tc.PC; |
2068 |
queue_signal(env, info.si_signo, &info); |
2069 |
} |
2070 |
break;
|
2071 |
default:
|
2072 |
// error:
|
2073 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
|
2074 |
trapnr); |
2075 |
cpu_dump_state(env, stderr, fprintf, 0);
|
2076 |
abort(); |
2077 |
} |
2078 |
process_pending_signals(env); |
2079 |
} |
2080 |
} |
2081 |
#endif
|
2082 |
|
2083 |
#ifdef TARGET_SH4
|
2084 |
void cpu_loop (CPUState *env)
|
2085 |
{ |
2086 |
int trapnr, ret;
|
2087 |
target_siginfo_t info; |
2088 |
|
2089 |
while (1) { |
2090 |
trapnr = cpu_sh4_exec (env); |
2091 |
|
2092 |
switch (trapnr) {
|
2093 |
case 0x160: |
2094 |
env->pc += 2;
|
2095 |
ret = do_syscall(env, |
2096 |
env->gregs[3],
|
2097 |
env->gregs[4],
|
2098 |
env->gregs[5],
|
2099 |
env->gregs[6],
|
2100 |
env->gregs[7],
|
2101 |
env->gregs[0],
|
2102 |
env->gregs[1]);
|
2103 |
env->gregs[0] = ret;
|
2104 |
break;
|
2105 |
case EXCP_INTERRUPT:
|
2106 |
/* just indicate that signals should be handled asap */
|
2107 |
break;
|
2108 |
case EXCP_DEBUG:
|
2109 |
{ |
2110 |
int sig;
|
2111 |
|
2112 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
2113 |
if (sig)
|
2114 |
{ |
2115 |
info.si_signo = sig; |
2116 |
info.si_errno = 0;
|
2117 |
info.si_code = TARGET_TRAP_BRKPT; |
2118 |
queue_signal(env, info.si_signo, &info); |
2119 |
} |
2120 |
} |
2121 |
break;
|
2122 |
case 0xa0: |
2123 |
case 0xc0: |
2124 |
info.si_signo = SIGSEGV; |
2125 |
info.si_errno = 0;
|
2126 |
info.si_code = TARGET_SEGV_MAPERR; |
2127 |
info._sifields._sigfault._addr = env->tea; |
2128 |
queue_signal(env, info.si_signo, &info); |
2129 |
break;
|
2130 |
|
2131 |
default:
|
2132 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
2133 |
cpu_dump_state(env, stderr, fprintf, 0);
|
2134 |
exit (1);
|
2135 |
} |
2136 |
process_pending_signals (env); |
2137 |
} |
2138 |
} |
2139 |
#endif
|
2140 |
|
2141 |
#ifdef TARGET_CRIS
|
2142 |
void cpu_loop (CPUState *env)
|
2143 |
{ |
2144 |
int trapnr, ret;
|
2145 |
target_siginfo_t info; |
2146 |
|
2147 |
while (1) { |
2148 |
trapnr = cpu_cris_exec (env); |
2149 |
switch (trapnr) {
|
2150 |
case 0xaa: |
2151 |
{ |
2152 |
info.si_signo = SIGSEGV; |
2153 |
info.si_errno = 0;
|
2154 |
/* XXX: check env->error_code */
|
2155 |
info.si_code = TARGET_SEGV_MAPERR; |
2156 |
info._sifields._sigfault._addr = env->pregs[PR_EDA]; |
2157 |
queue_signal(env, info.si_signo, &info); |
2158 |
} |
2159 |
break;
|
2160 |
case EXCP_INTERRUPT:
|
2161 |
/* just indicate that signals should be handled asap */
|
2162 |
break;
|
2163 |
case EXCP_BREAK:
|
2164 |
ret = do_syscall(env, |
2165 |
env->regs[9],
|
2166 |
env->regs[10],
|
2167 |
env->regs[11],
|
2168 |
env->regs[12],
|
2169 |
env->regs[13],
|
2170 |
env->pregs[7],
|
2171 |
env->pregs[11]);
|
2172 |
env->regs[10] = ret;
|
2173 |
break;
|
2174 |
case EXCP_DEBUG:
|
2175 |
{ |
2176 |
int sig;
|
2177 |
|
2178 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
2179 |
if (sig)
|
2180 |
{ |
2181 |
info.si_signo = sig; |
2182 |
info.si_errno = 0;
|
2183 |
info.si_code = TARGET_TRAP_BRKPT; |
2184 |
queue_signal(env, info.si_signo, &info); |
2185 |
} |
2186 |
} |
2187 |
break;
|
2188 |
default:
|
2189 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
2190 |
cpu_dump_state(env, stderr, fprintf, 0);
|
2191 |
exit (1);
|
2192 |
} |
2193 |
process_pending_signals (env); |
2194 |
} |
2195 |
} |
2196 |
#endif
|
2197 |
|
2198 |
#ifdef TARGET_MICROBLAZE
|
2199 |
void cpu_loop (CPUState *env)
|
2200 |
{ |
2201 |
int trapnr, ret;
|
2202 |
target_siginfo_t info; |
2203 |
|
2204 |
while (1) { |
2205 |
trapnr = cpu_mb_exec (env); |
2206 |
switch (trapnr) {
|
2207 |
case 0xaa: |
2208 |
{ |
2209 |
info.si_signo = SIGSEGV; |
2210 |
info.si_errno = 0;
|
2211 |
/* XXX: check env->error_code */
|
2212 |
info.si_code = TARGET_SEGV_MAPERR; |
2213 |
info._sifields._sigfault._addr = 0;
|
2214 |
queue_signal(env, info.si_signo, &info); |
2215 |
} |
2216 |
break;
|
2217 |
case EXCP_INTERRUPT:
|
2218 |
/* just indicate that signals should be handled asap */
|
2219 |
break;
|
2220 |
case EXCP_BREAK:
|
2221 |
/* Return address is 4 bytes after the call. */
|
2222 |
env->regs[14] += 4; |
2223 |
ret = do_syscall(env, |
2224 |
env->regs[12],
|
2225 |
env->regs[5],
|
2226 |
env->regs[6],
|
2227 |
env->regs[7],
|
2228 |
env->regs[8],
|
2229 |
env->regs[9],
|
2230 |
env->regs[10]);
|
2231 |
env->regs[3] = ret;
|
2232 |
env->sregs[SR_PC] = env->regs[14];
|
2233 |
break;
|
2234 |
case EXCP_DEBUG:
|
2235 |
{ |
2236 |
int sig;
|
2237 |
|
2238 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
2239 |
if (sig)
|
2240 |
{ |
2241 |
info.si_signo = sig; |
2242 |
info.si_errno = 0;
|
2243 |
info.si_code = TARGET_TRAP_BRKPT; |
2244 |
queue_signal(env, info.si_signo, &info); |
2245 |
} |
2246 |
} |
2247 |
break;
|
2248 |
default:
|
2249 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
2250 |
cpu_dump_state(env, stderr, fprintf, 0);
|
2251 |
exit (1);
|
2252 |
} |
2253 |
process_pending_signals (env); |
2254 |
} |
2255 |
} |
2256 |
#endif
|
2257 |
|
2258 |
#ifdef TARGET_M68K
|
2259 |
|
2260 |
void cpu_loop(CPUM68KState *env)
|
2261 |
{ |
2262 |
int trapnr;
|
2263 |
unsigned int n; |
2264 |
target_siginfo_t info; |
2265 |
TaskState *ts = env->opaque; |
2266 |
|
2267 |
for(;;) {
|
2268 |
trapnr = cpu_m68k_exec(env); |
2269 |
switch(trapnr) {
|
2270 |
case EXCP_ILLEGAL:
|
2271 |
{ |
2272 |
if (ts->sim_syscalls) {
|
2273 |
uint16_t nr; |
2274 |
nr = lduw(env->pc + 2);
|
2275 |
env->pc += 4;
|
2276 |
do_m68k_simcall(env, nr); |
2277 |
} else {
|
2278 |
goto do_sigill;
|
2279 |
} |
2280 |
} |
2281 |
break;
|
2282 |
case EXCP_HALT_INSN:
|
2283 |
/* Semihosing syscall. */
|
2284 |
env->pc += 4;
|
2285 |
do_m68k_semihosting(env, env->dregs[0]);
|
2286 |
break;
|
2287 |
case EXCP_LINEA:
|
2288 |
case EXCP_LINEF:
|
2289 |
case EXCP_UNSUPPORTED:
|
2290 |
do_sigill:
|
2291 |
info.si_signo = SIGILL; |
2292 |
info.si_errno = 0;
|
2293 |
info.si_code = TARGET_ILL_ILLOPN; |
2294 |
info._sifields._sigfault._addr = env->pc; |
2295 |
queue_signal(env, info.si_signo, &info); |
2296 |
break;
|
2297 |
case EXCP_TRAP0:
|
2298 |
{ |
2299 |
ts->sim_syscalls = 0;
|
2300 |
n = env->dregs[0];
|
2301 |
env->pc += 2;
|
2302 |
env->dregs[0] = do_syscall(env,
|
2303 |
n, |
2304 |
env->dregs[1],
|
2305 |
env->dregs[2],
|
2306 |
env->dregs[3],
|
2307 |
env->dregs[4],
|
2308 |
env->dregs[5],
|
2309 |
env->aregs[0]);
|
2310 |
} |
2311 |
break;
|
2312 |
case EXCP_INTERRUPT:
|
2313 |
/* just indicate that signals should be handled asap */
|
2314 |
break;
|
2315 |
case EXCP_ACCESS:
|
2316 |
{ |
2317 |
info.si_signo = SIGSEGV; |
2318 |
info.si_errno = 0;
|
2319 |
/* XXX: check env->error_code */
|
2320 |
info.si_code = TARGET_SEGV_MAPERR; |
2321 |
info._sifields._sigfault._addr = env->mmu.ar; |
2322 |
queue_signal(env, info.si_signo, &info); |
2323 |
} |
2324 |
break;
|
2325 |
case EXCP_DEBUG:
|
2326 |
{ |
2327 |
int sig;
|
2328 |
|
2329 |
sig = gdb_handlesig (env, TARGET_SIGTRAP); |
2330 |
if (sig)
|
2331 |
{ |
2332 |
info.si_signo = sig; |
2333 |
info.si_errno = 0;
|
2334 |
info.si_code = TARGET_TRAP_BRKPT; |
2335 |
queue_signal(env, info.si_signo, &info); |
2336 |
} |
2337 |
} |
2338 |
break;
|
2339 |
default:
|
2340 |
fprintf(stderr, "qemu: unhandled CPU exception 0x%x - aborting\n",
|
2341 |
trapnr); |
2342 |
cpu_dump_state(env, stderr, fprintf, 0);
|
2343 |
abort(); |
2344 |
} |
2345 |
process_pending_signals(env); |
2346 |
} |
2347 |
} |
2348 |
#endif /* TARGET_M68K */ |
2349 |
|
2350 |
#ifdef TARGET_ALPHA
|
2351 |
void cpu_loop (CPUState *env)
|
2352 |
{ |
2353 |
int trapnr;
|
2354 |
target_siginfo_t info; |
2355 |
abi_long sysret; |
2356 |
|
2357 |
while (1) { |
2358 |
trapnr = cpu_alpha_exec (env); |
2359 |
|
2360 |
switch (trapnr) {
|
2361 |
case EXCP_RESET:
|
2362 |
fprintf(stderr, "Reset requested. Exit\n");
|
2363 |
exit(1);
|
2364 |
break;
|
2365 |
case EXCP_MCHK:
|
2366 |
fprintf(stderr, "Machine check exception. Exit\n");
|
2367 |
exit(1);
|
2368 |
break;
|
2369 |
case EXCP_ARITH:
|
2370 |
info.si_signo = TARGET_SIGFPE; |
2371 |
info.si_errno = 0;
|
2372 |
info.si_code = TARGET_FPE_FLTINV; |
2373 |
info._sifields._sigfault._addr = env->pc; |
2374 |
queue_signal(env, info.si_signo, &info); |
2375 |
break;
|
2376 |
case EXCP_HW_INTERRUPT:
|
2377 |
fprintf(stderr, "External interrupt. Exit\n");
|
2378 |
exit(1);
|
2379 |
break;
|
2380 |
case EXCP_DFAULT:
|
2381 |
info.si_signo = TARGET_SIGSEGV; |
2382 |
info.si_errno = 0;
|
2383 |
info.si_code = 0; /* ??? SEGV_MAPERR vs SEGV_ACCERR. */ |
2384 |
info._sifields._sigfault._addr = env->pc; |
2385 |
queue_signal(env, info.si_signo, &info); |
2386 |
break;
|
2387 |
case EXCP_DTB_MISS_PAL:
|
2388 |
fprintf(stderr, "MMU data TLB miss in PALcode\n");
|
2389 |
exit(1);
|
2390 |
break;
|
2391 |
case EXCP_ITB_MISS:
|
2392 |
fprintf(stderr, "MMU instruction TLB miss\n");
|
2393 |
exit(1);
|
2394 |
break;
|
2395 |
case EXCP_ITB_ACV:
|
2396 |
fprintf(stderr, "MMU instruction access violation\n");
|
2397 |
exit(1);
|
2398 |
break;
|
2399 |
case EXCP_DTB_MISS_NATIVE:
|
2400 |
fprintf(stderr, "MMU data TLB miss\n");
|
2401 |
exit(1);
|
2402 |
break;
|
2403 |
case EXCP_UNALIGN:
|
2404 |
info.si_signo = TARGET_SIGBUS; |
2405 |
info.si_errno = 0;
|
2406 |
info.si_code = TARGET_BUS_ADRALN; |
2407 |
info._sifields._sigfault._addr = env->pc; |
2408 |
queue_signal(env, info.si_signo, &info); |
2409 |
break;
|
2410 |
case EXCP_OPCDEC:
|
2411 |
do_sigill:
|
2412 |
info.si_signo = TARGET_SIGILL; |
2413 |
info.si_errno = 0;
|
2414 |
info.si_code = TARGET_ILL_ILLOPC; |
2415 |
info._sifields._sigfault._addr = env->pc; |
2416 |
queue_signal(env, info.si_signo, &info); |
2417 |
break;
|
2418 |
case EXCP_FEN:
|
2419 |
/* No-op. Linux simply re-enables the FPU. */
|
2420 |
break;
|
2421 |
case EXCP_CALL_PAL ... (EXCP_CALL_PALP - 1): |
2422 |
switch ((trapnr >> 6) | 0x80) { |
2423 |
case 0x80: |
2424 |
/* BPT */
|
2425 |
info.si_signo = TARGET_SIGTRAP; |
2426 |
info.si_errno = 0;
|
2427 |
info.si_code = TARGET_TRAP_BRKPT; |
2428 |
info._sifields._sigfault._addr = env->pc; |
2429 |
queue_signal(env, info.si_signo, &info); |
2430 |
break;
|
2431 |
case 0x81: |
2432 |
/* BUGCHK */
|
2433 |
info.si_signo = TARGET_SIGTRAP; |
2434 |
info.si_errno = 0;
|
2435 |
info.si_code = 0;
|
2436 |
info._sifields._sigfault._addr = env->pc; |
2437 |
queue_signal(env, info.si_signo, &info); |
2438 |
break;
|
2439 |
case 0x83: |
2440 |
/* CALLSYS */
|
2441 |
trapnr = env->ir[IR_V0]; |
2442 |
sysret = do_syscall(env, trapnr, |
2443 |
env->ir[IR_A0], env->ir[IR_A1], |
2444 |
env->ir[IR_A2], env->ir[IR_A3], |
2445 |
env->ir[IR_A4], env->ir[IR_A5]); |
2446 |
if (trapnr != TARGET_NR_sigreturn
|
2447 |
&& trapnr != TARGET_NR_rt_sigreturn) { |
2448 |
env->ir[IR_V0] = (sysret < 0 ? -sysret : sysret);
|
2449 |
env->ir[IR_A3] = (sysret < 0);
|
2450 |
} |
2451 |
break;
|
2452 |
case 0x86: |
2453 |
/* IMB */
|
2454 |
/* ??? We can probably elide the code using page_unprotect
|
2455 |
that is checking for self-modifying code. Instead we
|
2456 |
could simply call tb_flush here. Until we work out the
|
2457 |
changes required to turn off the extra write protection,
|
2458 |
this can be a no-op. */
|
2459 |
break;
|
2460 |
case 0x9E: |
2461 |
/* RDUNIQUE */
|
2462 |
/* Handled in the translator for usermode. */
|
2463 |
abort(); |
2464 |
case 0x9F: |
2465 |
/* WRUNIQUE */
|
2466 |
/* Handled in the translator for usermode. */
|
2467 |
abort(); |
2468 |
case 0xAA: |
2469 |
/* GENTRAP */
|
2470 |
info.si_signo = TARGET_SIGFPE; |
2471 |
switch (env->ir[IR_A0]) {
|
2472 |
case TARGET_GEN_INTOVF:
|
2473 |
info.si_code = TARGET_FPE_INTOVF; |
2474 |
break;
|
2475 |
case TARGET_GEN_INTDIV:
|
2476 |
info.si_code = TARGET_FPE_INTDIV; |
2477 |
break;
|
2478 |
case TARGET_GEN_FLTOVF:
|
2479 |
info.si_code = TARGET_FPE_FLTOVF; |
2480 |
break;
|
2481 |
case TARGET_GEN_FLTUND:
|
2482 |
info.si_code = TARGET_FPE_FLTUND; |
2483 |
break;
|
2484 |
case TARGET_GEN_FLTINV:
|
2485 |
info.si_code = TARGET_FPE_FLTINV; |
2486 |
break;
|
2487 |
case TARGET_GEN_FLTINE:
|
2488 |
info.si_code = TARGET_FPE_FLTRES; |
2489 |
break;
|
2490 |
case TARGET_GEN_ROPRAND:
|
2491 |
info.si_code = 0;
|
2492 |
break;
|
2493 |
default:
|
2494 |
info.si_signo = TARGET_SIGTRAP; |
2495 |
info.si_code = 0;
|
2496 |
break;
|
2497 |
} |
2498 |
info.si_errno = 0;
|
2499 |
info._sifields._sigfault._addr = env->pc; |
2500 |
queue_signal(env, info.si_signo, &info); |
2501 |
break;
|
2502 |
default:
|
2503 |
goto do_sigill;
|
2504 |
} |
2505 |
break;
|
2506 |
case EXCP_CALL_PALP ... (EXCP_CALL_PALE - 1): |
2507 |
goto do_sigill;
|
2508 |
case EXCP_DEBUG:
|
2509 |
info.si_signo = gdb_handlesig (env, TARGET_SIGTRAP); |
2510 |
if (info.si_signo) {
|
2511 |
info.si_errno = 0;
|
2512 |
info.si_code = TARGET_TRAP_BRKPT; |
2513 |
queue_signal(env, info.si_signo, &info); |
2514 |
} |
2515 |
break;
|
2516 |
default:
|
2517 |
printf ("Unhandled trap: 0x%x\n", trapnr);
|
2518 |
cpu_dump_state(env, stderr, fprintf, 0);
|
2519 |
exit (1);
|
2520 |
} |
2521 |
process_pending_signals (env); |
2522 |
} |
2523 |
} |
2524 |
#endif /* TARGET_ALPHA */ |
2525 |
|
2526 |
static void usage(void) |
2527 |
{ |
2528 |
printf("qemu-" TARGET_ARCH " version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n" |
2529 |
"usage: qemu-" TARGET_ARCH " [options] program [arguments...]\n" |
2530 |
"Linux CPU emulator (compiled for %s emulation)\n"
|
2531 |
"\n"
|
2532 |
"Standard options:\n"
|
2533 |
"-h print this help\n"
|
2534 |
"-g port wait gdb connection to port\n"
|
2535 |
"-L path set the elf interpreter prefix (default=%s)\n"
|
2536 |
"-s size set the stack size in bytes (default=%ld)\n"
|
2537 |
"-cpu model select CPU (-cpu ? for list)\n"
|
2538 |
"-drop-ld-preload drop LD_PRELOAD for target process\n"
|
2539 |
"-E var=value sets/modifies targets environment variable(s)\n"
|
2540 |
"-U var unsets targets environment variable(s)\n"
|
2541 |
"-0 argv0 forces target process argv[0] to be argv0\n"
|
2542 |
#if defined(CONFIG_USE_GUEST_BASE)
|
2543 |
"-B address set guest_base address to address\n"
|
2544 |
#endif
|
2545 |
"\n"
|
2546 |
"Debug options:\n"
|
2547 |
"-d options activate log (logfile=%s)\n"
|
2548 |
"-p pagesize set the host page size to 'pagesize'\n"
|
2549 |
"-singlestep always run in singlestep mode\n"
|
2550 |
"-strace log system calls\n"
|
2551 |
"\n"
|
2552 |
"Environment variables:\n"
|
2553 |
"QEMU_STRACE Print system calls and arguments similar to the\n"
|
2554 |
" 'strace' program. Enable by setting to any value.\n"
|
2555 |
"You can use -E and -U options to set/unset environment variables\n"
|
2556 |
"for target process. It is possible to provide several variables\n"
|
2557 |
"by repeating the option. For example:\n"
|
2558 |
" -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"
|
2559 |
"Note that if you provide several changes to single variable\n"
|
2560 |
"last change will stay in effect.\n"
|
2561 |
, |
2562 |
TARGET_ARCH, |
2563 |
interp_prefix, |
2564 |
guest_stack_size, |
2565 |
DEBUG_LOGFILE); |
2566 |
exit(1);
|
2567 |
} |
2568 |
|
2569 |
THREAD CPUState *thread_env; |
2570 |
|
2571 |
void task_settid(TaskState *ts)
|
2572 |
{ |
2573 |
if (ts->ts_tid == 0) { |
2574 |
#ifdef CONFIG_USE_NPTL
|
2575 |
ts->ts_tid = (pid_t)syscall(SYS_gettid); |
2576 |
#else
|
2577 |
/* when no threads are used, tid becomes pid */
|
2578 |
ts->ts_tid = getpid(); |
2579 |
#endif
|
2580 |
} |
2581 |
} |
2582 |
|
2583 |
void stop_all_tasks(void) |
2584 |
{ |
2585 |
/*
|
2586 |
* We trust that when using NPTL, start_exclusive()
|
2587 |
* handles thread stopping correctly.
|
2588 |
*/
|
2589 |
start_exclusive(); |
2590 |
} |
2591 |
|
2592 |
/* Assumes contents are already zeroed. */
|
2593 |
void init_task_state(TaskState *ts)
|
2594 |
{ |
2595 |
int i;
|
2596 |
|
2597 |
ts->used = 1;
|
2598 |
ts->first_free = ts->sigqueue_table; |
2599 |
for (i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++) { |
2600 |
ts->sigqueue_table[i].next = &ts->sigqueue_table[i + 1];
|
2601 |
} |
2602 |
ts->sigqueue_table[i].next = NULL;
|
2603 |
} |
2604 |
|
2605 |
int main(int argc, char **argv, char **envp) |
2606 |
{ |
2607 |
const char *filename; |
2608 |
const char *cpu_model; |
2609 |
struct target_pt_regs regs1, *regs = ®s1;
|
2610 |
struct image_info info1, *info = &info1;
|
2611 |
struct linux_binprm bprm;
|
2612 |
TaskState ts1, *ts = &ts1; |
2613 |
CPUState *env; |
2614 |
int optind;
|
2615 |
const char *r; |
2616 |
int gdbstub_port = 0; |
2617 |
char **target_environ, **wrk;
|
2618 |
char **target_argv;
|
2619 |
int target_argc;
|
2620 |
envlist_t *envlist = NULL;
|
2621 |
const char *argv0 = NULL; |
2622 |
int i;
|
2623 |
int ret;
|
2624 |
|
2625 |
if (argc <= 1) |
2626 |
usage(); |
2627 |
|
2628 |
qemu_cache_utils_init(envp); |
2629 |
|
2630 |
/* init debug */
|
2631 |
cpu_set_log_filename(DEBUG_LOGFILE); |
2632 |
|
2633 |
if ((envlist = envlist_create()) == NULL) { |
2634 |
(void) fprintf(stderr, "Unable to allocate envlist\n"); |
2635 |
exit(1);
|
2636 |
} |
2637 |
|
2638 |
/* add current environment into the list */
|
2639 |
for (wrk = environ; *wrk != NULL; wrk++) { |
2640 |
(void) envlist_setenv(envlist, *wrk);
|
2641 |
} |
2642 |
|
2643 |
/* Read the stack limit from the kernel. If it's "unlimited",
|
2644 |
then we can do little else besides use the default. */
|
2645 |
{ |
2646 |
struct rlimit lim;
|
2647 |
if (getrlimit(RLIMIT_STACK, &lim) == 0 |
2648 |
&& lim.rlim_cur != RLIM_INFINITY) { |
2649 |
guest_stack_size = lim.rlim_cur; |
2650 |
} |
2651 |
} |
2652 |
|
2653 |
cpu_model = NULL;
|
2654 |
#if defined(cpudef_setup)
|
2655 |
cpudef_setup(); /* parse cpu definitions in target config file (TBD) */
|
2656 |
#endif
|
2657 |
|
2658 |
optind = 1;
|
2659 |
for(;;) {
|
2660 |
if (optind >= argc)
|
2661 |
break;
|
2662 |
r = argv[optind]; |
2663 |
if (r[0] != '-') |
2664 |
break;
|
2665 |
optind++; |
2666 |
r++; |
2667 |
if (!strcmp(r, "-")) { |
2668 |
break;
|
2669 |
} else if (!strcmp(r, "d")) { |
2670 |
int mask;
|
2671 |
const CPULogItem *item;
|
2672 |
|
2673 |
if (optind >= argc)
|
2674 |
break;
|
2675 |
|
2676 |
r = argv[optind++]; |
2677 |
mask = cpu_str_to_log_mask(r); |
2678 |
if (!mask) {
|
2679 |
printf("Log items (comma separated):\n");
|
2680 |
for(item = cpu_log_items; item->mask != 0; item++) { |
2681 |
printf("%-10s %s\n", item->name, item->help);
|
2682 |
} |
2683 |
exit(1);
|
2684 |
} |
2685 |
cpu_set_log(mask); |
2686 |
} else if (!strcmp(r, "E")) { |
2687 |
r = argv[optind++]; |
2688 |
if (envlist_setenv(envlist, r) != 0) |
2689 |
usage(); |
2690 |
} else if (!strcmp(r, "U")) { |
2691 |
r = argv[optind++]; |
2692 |
if (envlist_unsetenv(envlist, r) != 0) |
2693 |
usage(); |
2694 |
} else if (!strcmp(r, "0")) { |
2695 |
r = argv[optind++]; |
2696 |
argv0 = r; |
2697 |
} else if (!strcmp(r, "s")) { |
2698 |
if (optind >= argc)
|
2699 |
break;
|
2700 |
r = argv[optind++]; |
2701 |
guest_stack_size = strtoul(r, (char **)&r, 0); |
2702 |
if (guest_stack_size == 0) |
2703 |
usage(); |
2704 |
if (*r == 'M') |
2705 |
guest_stack_size *= 1024 * 1024; |
2706 |
else if (*r == 'k' || *r == 'K') |
2707 |
guest_stack_size *= 1024;
|
2708 |
} else if (!strcmp(r, "L")) { |
2709 |
interp_prefix = argv[optind++]; |
2710 |
} else if (!strcmp(r, "p")) { |
2711 |
if (optind >= argc)
|
2712 |
break;
|
2713 |
qemu_host_page_size = atoi(argv[optind++]); |
2714 |
if (qemu_host_page_size == 0 || |
2715 |
(qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { |
2716 |
fprintf(stderr, "page size must be a power of two\n");
|
2717 |
exit(1);
|
2718 |
} |
2719 |
} else if (!strcmp(r, "g")) { |
2720 |
if (optind >= argc)
|
2721 |
break;
|
2722 |
gdbstub_port = atoi(argv[optind++]); |
2723 |
} else if (!strcmp(r, "r")) { |
2724 |
qemu_uname_release = argv[optind++]; |
2725 |
} else if (!strcmp(r, "cpu")) { |
2726 |
cpu_model = argv[optind++]; |
2727 |
if (cpu_model == NULL || strcmp(cpu_model, "?") == 0) { |
2728 |
/* XXX: implement xxx_cpu_list for targets that still miss it */
|
2729 |
#if defined(cpu_list_id)
|
2730 |
cpu_list_id(stdout, &fprintf, "");
|
2731 |
#endif
|
2732 |
exit(1);
|
2733 |
} |
2734 |
#if defined(CONFIG_USE_GUEST_BASE)
|
2735 |
} else if (!strcmp(r, "B")) { |
2736 |
guest_base = strtol(argv[optind++], NULL, 0); |
2737 |
have_guest_base = 1;
|
2738 |
#endif
|
2739 |
} else if (!strcmp(r, "drop-ld-preload")) { |
2740 |
(void) envlist_unsetenv(envlist, "LD_PRELOAD"); |
2741 |
} else if (!strcmp(r, "singlestep")) { |
2742 |
singlestep = 1;
|
2743 |
} else if (!strcmp(r, "strace")) { |
2744 |
do_strace = 1;
|
2745 |
} else
|
2746 |
{ |
2747 |
usage(); |
2748 |
} |
2749 |
} |
2750 |
if (optind >= argc)
|
2751 |
usage(); |
2752 |
filename = argv[optind]; |
2753 |
exec_path = argv[optind]; |
2754 |
|
2755 |
/* Zero out regs */
|
2756 |
memset(regs, 0, sizeof(struct target_pt_regs)); |
2757 |
|
2758 |
/* Zero out image_info */
|
2759 |
memset(info, 0, sizeof(struct image_info)); |
2760 |
|
2761 |
memset(&bprm, 0, sizeof (bprm)); |
2762 |
|
2763 |
/* Scan interp_prefix dir for replacement files. */
|
2764 |
init_paths(interp_prefix); |
2765 |
|
2766 |
if (cpu_model == NULL) { |
2767 |
#if defined(TARGET_I386)
|
2768 |
#ifdef TARGET_X86_64
|
2769 |
cpu_model = "qemu64";
|
2770 |
#else
|
2771 |
cpu_model = "qemu32";
|
2772 |
#endif
|
2773 |
#elif defined(TARGET_ARM)
|
2774 |
cpu_model = "any";
|
2775 |
#elif defined(TARGET_M68K)
|
2776 |
cpu_model = "any";
|
2777 |
#elif defined(TARGET_SPARC)
|
2778 |
#ifdef TARGET_SPARC64
|
2779 |
cpu_model = "TI UltraSparc II";
|
2780 |
#else
|
2781 |
cpu_model = "Fujitsu MB86904";
|
2782 |
#endif
|
2783 |
#elif defined(TARGET_MIPS)
|
2784 |
#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
|
2785 |
cpu_model = "20Kc";
|
2786 |
#else
|
2787 |
cpu_model = "24Kf";
|
2788 |
#endif
|
2789 |
#elif defined(TARGET_PPC)
|
2790 |
#ifdef TARGET_PPC64
|
2791 |
cpu_model = "970";
|
2792 |
#else
|
2793 |
cpu_model = "750";
|
2794 |
#endif
|
2795 |
#else
|
2796 |
cpu_model = "any";
|
2797 |
#endif
|
2798 |
} |
2799 |
cpu_exec_init_all(0);
|
2800 |
/* NOTE: we need to init the CPU at this stage to get
|
2801 |
qemu_host_page_size */
|
2802 |
env = cpu_init(cpu_model); |
2803 |
if (!env) {
|
2804 |
fprintf(stderr, "Unable to find CPU definition\n");
|
2805 |
exit(1);
|
2806 |
} |
2807 |
#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
|
2808 |
cpu_reset(env); |
2809 |
#endif
|
2810 |
|
2811 |
thread_env = env; |
2812 |
|
2813 |
if (getenv("QEMU_STRACE")) { |
2814 |
do_strace = 1;
|
2815 |
} |
2816 |
|
2817 |
target_environ = envlist_to_environ(envlist, NULL);
|
2818 |
envlist_free(envlist); |
2819 |
|
2820 |
#if defined(CONFIG_USE_GUEST_BASE)
|
2821 |
/*
|
2822 |
* Now that page sizes are configured in cpu_init() we can do
|
2823 |
* proper page alignment for guest_base.
|
2824 |
*/
|
2825 |
guest_base = HOST_PAGE_ALIGN(guest_base); |
2826 |
#endif /* CONFIG_USE_GUEST_BASE */ |
2827 |
|
2828 |
/*
|
2829 |
* Read in mmap_min_addr kernel parameter. This value is used
|
2830 |
* When loading the ELF image to determine whether guest_base
|
2831 |
* is needed. It is also used in mmap_find_vma.
|
2832 |
*/
|
2833 |
{ |
2834 |
FILE *fp; |
2835 |
|
2836 |
if ((fp = fopen("/proc/sys/vm/mmap_min_addr", "r")) != NULL) { |
2837 |
unsigned long tmp; |
2838 |
if (fscanf(fp, "%lu", &tmp) == 1) { |
2839 |
mmap_min_addr = tmp; |
2840 |
qemu_log("host mmap_min_addr=0x%lx\n", mmap_min_addr);
|
2841 |
} |
2842 |
fclose(fp); |
2843 |
} |
2844 |
} |
2845 |
|
2846 |
/*
|
2847 |
* Prepare copy of argv vector for target.
|
2848 |
*/
|
2849 |
target_argc = argc - optind; |
2850 |
target_argv = calloc(target_argc + 1, sizeof (char *)); |
2851 |
if (target_argv == NULL) { |
2852 |
(void) fprintf(stderr, "Unable to allocate memory for target_argv\n"); |
2853 |
exit(1);
|
2854 |
} |
2855 |
|
2856 |
/*
|
2857 |
* If argv0 is specified (using '-0' switch) we replace
|
2858 |
* argv[0] pointer with the given one.
|
2859 |
*/
|
2860 |
i = 0;
|
2861 |
if (argv0 != NULL) { |
2862 |
target_argv[i++] = strdup(argv0); |
2863 |
} |
2864 |
for (; i < target_argc; i++) {
|
2865 |
target_argv[i] = strdup(argv[optind + i]); |
2866 |
} |
2867 |
target_argv[target_argc] = NULL;
|
2868 |
|
2869 |
memset(ts, 0, sizeof(TaskState)); |
2870 |
init_task_state(ts); |
2871 |
/* build Task State */
|
2872 |
ts->info = info; |
2873 |
ts->bprm = &bprm; |
2874 |
env->opaque = ts; |
2875 |
task_settid(ts); |
2876 |
|
2877 |
ret = loader_exec(filename, target_argv, target_environ, regs, |
2878 |
info, &bprm); |
2879 |
if (ret != 0) { |
2880 |
printf("Error %d while loading %s\n", ret, filename);
|
2881 |
_exit(1);
|
2882 |
} |
2883 |
|
2884 |
for (i = 0; i < target_argc; i++) { |
2885 |
free(target_argv[i]); |
2886 |
} |
2887 |
free(target_argv); |
2888 |
|
2889 |
for (wrk = target_environ; *wrk; wrk++) {
|
2890 |
free(*wrk); |
2891 |
} |
2892 |
|
2893 |
free(target_environ); |
2894 |
|
2895 |
if (qemu_log_enabled()) {
|
2896 |
#if defined(CONFIG_USE_GUEST_BASE)
|
2897 |
qemu_log("guest_base 0x%lx\n", guest_base);
|
2898 |
#endif
|
2899 |
log_page_dump(); |
2900 |
|
2901 |
qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk); |
2902 |
qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code); |
2903 |
qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n", |
2904 |
info->start_code); |
2905 |
qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n", |
2906 |
info->start_data); |
2907 |
qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data); |
2908 |
qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n", |
2909 |
info->start_stack); |
2910 |
qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); |
2911 |
qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); |
2912 |
} |
2913 |
|
2914 |
target_set_brk(info->brk); |
2915 |
syscall_init(); |
2916 |
signal_init(); |
2917 |
|
2918 |
#if defined(TARGET_I386)
|
2919 |
cpu_x86_set_cpl(env, 3);
|
2920 |
|
2921 |
env->cr[0] = CR0_PG_MASK | CR0_WP_MASK | CR0_PE_MASK;
|
2922 |
env->hflags |= HF_PE_MASK; |
2923 |
if (env->cpuid_features & CPUID_SSE) {
|
2924 |
env->cr[4] |= CR4_OSFXSR_MASK;
|
2925 |
env->hflags |= HF_OSFXSR_MASK; |
2926 |
} |
2927 |
#ifndef TARGET_ABI32
|
2928 |
/* enable 64 bit mode if possible */
|
2929 |
if (!(env->cpuid_ext2_features & CPUID_EXT2_LM)) {
|
2930 |
fprintf(stderr, "The selected x86 CPU does not support 64 bit mode\n");
|
2931 |
exit(1);
|
2932 |
} |
2933 |
env->cr[4] |= CR4_PAE_MASK;
|
2934 |
env->efer |= MSR_EFER_LMA | MSR_EFER_LME; |
2935 |
env->hflags |= HF_LMA_MASK; |
2936 |
#endif
|
2937 |
|
2938 |
/* flags setup : we activate the IRQs by default as in user mode */
|
2939 |
env->eflags |= IF_MASK; |
2940 |
|
2941 |
/* linux register setup */
|
2942 |
#ifndef TARGET_ABI32
|
2943 |
env->regs[R_EAX] = regs->rax; |
2944 |
env->regs[R_EBX] = regs->rbx; |
2945 |
env->regs[R_ECX] = regs->rcx; |
2946 |
env->regs[R_EDX] = regs->rdx; |
2947 |
env->regs[R_ESI] = regs->rsi; |
2948 |
env->regs[R_EDI] = regs->rdi; |
2949 |
env->regs[R_EBP] = regs->rbp; |
2950 |
env->regs[R_ESP] = regs->rsp; |
2951 |
env->eip = regs->rip; |
2952 |
#else
|
2953 |
env->regs[R_EAX] = regs->eax; |
2954 |
env->regs[R_EBX] = regs->ebx; |
2955 |
env->regs[R_ECX] = regs->ecx; |
2956 |
env->regs[R_EDX] = regs->edx; |
2957 |
env->regs[R_ESI] = regs->esi; |
2958 |
env->regs[R_EDI] = regs->edi; |
2959 |
env->regs[R_EBP] = regs->ebp; |
2960 |
env->regs[R_ESP] = regs->esp; |
2961 |
env->eip = regs->eip; |
2962 |
#endif
|
2963 |
|
2964 |
/* linux interrupt setup */
|
2965 |
#ifndef TARGET_ABI32
|
2966 |
env->idt.limit = 511;
|
2967 |
#else
|
2968 |
env->idt.limit = 255;
|
2969 |
#endif
|
2970 |
env->idt.base = target_mmap(0, sizeof(uint64_t) * (env->idt.limit + 1), |
2971 |
PROT_READ|PROT_WRITE, |
2972 |
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
2973 |
idt_table = g2h(env->idt.base); |
2974 |
set_idt(0, 0); |
2975 |
set_idt(1, 0); |
2976 |
set_idt(2, 0); |
2977 |
set_idt(3, 3); |
2978 |
set_idt(4, 3); |
2979 |
set_idt(5, 0); |
2980 |
set_idt(6, 0); |
2981 |
set_idt(7, 0); |
2982 |
set_idt(8, 0); |
2983 |
set_idt(9, 0); |
2984 |
set_idt(10, 0); |
2985 |
set_idt(11, 0); |
2986 |
set_idt(12, 0); |
2987 |
set_idt(13, 0); |
2988 |
set_idt(14, 0); |
2989 |
set_idt(15, 0); |
2990 |
set_idt(16, 0); |
2991 |
set_idt(17, 0); |
2992 |
set_idt(18, 0); |
2993 |
set_idt(19, 0); |
2994 |
set_idt(0x80, 3); |
2995 |
|
2996 |
/* linux segment setup */
|
2997 |
{ |
2998 |
uint64_t *gdt_table; |
2999 |
env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES, |
3000 |
PROT_READ|PROT_WRITE, |
3001 |
MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); |
3002 |
env->gdt.limit = sizeof(uint64_t) * TARGET_GDT_ENTRIES - 1; |
3003 |
gdt_table = g2h(env->gdt.base); |
3004 |
#ifdef TARGET_ABI32
|
3005 |
write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, |
3006 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
3007 |
(3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); |
3008 |
#else
|
3009 |
/* 64 bit code segment */
|
3010 |
write_dt(&gdt_table[__USER_CS >> 3], 0, 0xfffff, |
3011 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
3012 |
DESC_L_MASK | |
3013 |
(3 << DESC_DPL_SHIFT) | (0xa << DESC_TYPE_SHIFT)); |
3014 |
#endif
|
3015 |
write_dt(&gdt_table[__USER_DS >> 3], 0, 0xfffff, |
3016 |
DESC_G_MASK | DESC_B_MASK | DESC_P_MASK | DESC_S_MASK | |
3017 |
(3 << DESC_DPL_SHIFT) | (0x2 << DESC_TYPE_SHIFT)); |
3018 |
} |
3019 |
cpu_x86_load_seg(env, R_CS, __USER_CS); |
3020 |
cpu_x86_load_seg(env, R_SS, __USER_DS); |
3021 |
#ifdef TARGET_ABI32
|
3022 |
cpu_x86_load_seg(env, R_DS, __USER_DS); |
3023 |
cpu_x86_load_seg(env, R_ES, __USER_DS); |
3024 |
cpu_x86_load_seg(env, R_FS, __USER_DS); |
3025 |
cpu_x86_load_seg(env, R_GS, __USER_DS); |
3026 |
/* This hack makes Wine work... */
|
3027 |
env->segs[R_FS].selector = 0;
|
3028 |
#else
|
3029 |
cpu_x86_load_seg(env, R_DS, 0);
|
3030 |
cpu_x86_load_seg(env, R_ES, 0);
|
3031 |
cpu_x86_load_seg(env, R_FS, 0);
|
3032 |
cpu_x86_load_seg(env, R_GS, 0);
|
3033 |
#endif
|
3034 |
#elif defined(TARGET_ARM)
|
3035 |
{ |
3036 |
int i;
|
3037 |
cpsr_write(env, regs->uregs[16], 0xffffffff); |
3038 |
for(i = 0; i < 16; i++) { |
3039 |
env->regs[i] = regs->uregs[i]; |
3040 |
} |
3041 |
} |
3042 |
#elif defined(TARGET_SPARC)
|
3043 |
{ |
3044 |
int i;
|
3045 |
env->pc = regs->pc; |
3046 |
env->npc = regs->npc; |
3047 |
env->y = regs->y; |
3048 |
for(i = 0; i < 8; i++) |
3049 |
env->gregs[i] = regs->u_regs[i]; |
3050 |
for(i = 0; i < 8; i++) |
3051 |
env->regwptr[i] = regs->u_regs[i + 8];
|
3052 |
} |
3053 |
#elif defined(TARGET_PPC)
|
3054 |
{ |
3055 |
int i;
|
3056 |
|
3057 |
#if defined(TARGET_PPC64)
|
3058 |
#if defined(TARGET_ABI32)
|
3059 |
env->msr &= ~((target_ulong)1 << MSR_SF);
|
3060 |
#else
|
3061 |
env->msr |= (target_ulong)1 << MSR_SF;
|
3062 |
#endif
|
3063 |
#endif
|
3064 |
env->nip = regs->nip; |
3065 |
for(i = 0; i < 32; i++) { |
3066 |
env->gpr[i] = regs->gpr[i]; |
3067 |
} |
3068 |
} |
3069 |
#elif defined(TARGET_M68K)
|
3070 |
{ |
3071 |
env->pc = regs->pc; |
3072 |
env->dregs[0] = regs->d0;
|
3073 |
env->dregs[1] = regs->d1;
|
3074 |
env->dregs[2] = regs->d2;
|
3075 |
env->dregs[3] = regs->d3;
|
3076 |
env->dregs[4] = regs->d4;
|
3077 |
env->dregs[5] = regs->d5;
|
3078 |
env->dregs[6] = regs->d6;
|
3079 |
env->dregs[7] = regs->d7;
|
3080 |
env->aregs[0] = regs->a0;
|
3081 |
env->aregs[1] = regs->a1;
|
3082 |
env->aregs[2] = regs->a2;
|
3083 |
env->aregs[3] = regs->a3;
|
3084 |
env->aregs[4] = regs->a4;
|
3085 |
env->aregs[5] = regs->a5;
|
3086 |
env->aregs[6] = regs->a6;
|
3087 |
env->aregs[7] = regs->usp;
|
3088 |
env->sr = regs->sr; |
3089 |
ts->sim_syscalls = 1;
|
3090 |
} |
3091 |
#elif defined(TARGET_MICROBLAZE)
|
3092 |
{ |
3093 |
env->regs[0] = regs->r0;
|
3094 |
env->regs[1] = regs->r1;
|
3095 |
env->regs[2] = regs->r2;
|
3096 |
env->regs[3] = regs->r3;
|
3097 |
env->regs[4] = regs->r4;
|
3098 |
env->regs[5] = regs->r5;
|
3099 |
env->regs[6] = regs->r6;
|
3100 |
env->regs[7] = regs->r7;
|
3101 |
env->regs[8] = regs->r8;
|
3102 |
env->regs[9] = regs->r9;
|
3103 |
env->regs[10] = regs->r10;
|
3104 |
env->regs[11] = regs->r11;
|
3105 |
env->regs[12] = regs->r12;
|
3106 |
env->regs[13] = regs->r13;
|
3107 |
env->regs[14] = regs->r14;
|
3108 |
env->regs[15] = regs->r15;
|
3109 |
env->regs[16] = regs->r16;
|
3110 |
env->regs[17] = regs->r17;
|
3111 |
env->regs[18] = regs->r18;
|
3112 |
env->regs[19] = regs->r19;
|
3113 |
env->regs[20] = regs->r20;
|
3114 |
env->regs[21] = regs->r21;
|
3115 |
env->regs[22] = regs->r22;
|
3116 |
env->regs[23] = regs->r23;
|
3117 |
env->regs[24] = regs->r24;
|
3118 |
env->regs[25] = regs->r25;
|
3119 |
env->regs[26] = regs->r26;
|
3120 |
env->regs[27] = regs->r27;
|
3121 |
env->regs[28] = regs->r28;
|
3122 |
env->regs[29] = regs->r29;
|
3123 |
env->regs[30] = regs->r30;
|
3124 |
env->regs[31] = regs->r31;
|
3125 |
env->sregs[SR_PC] = regs->pc; |
3126 |
} |
3127 |
#elif defined(TARGET_MIPS)
|
3128 |
{ |
3129 |
int i;
|
3130 |
|
3131 |
for(i = 0; i < 32; i++) { |
3132 |
env->active_tc.gpr[i] = regs->regs[i]; |
3133 |
} |
3134 |
env->active_tc.PC = regs->cp0_epc; |
3135 |
} |
3136 |
#elif defined(TARGET_SH4)
|
3137 |
{ |
3138 |
int i;
|
3139 |
|
3140 |
for(i = 0; i < 16; i++) { |
3141 |
env->gregs[i] = regs->regs[i]; |
3142 |
} |
3143 |
env->pc = regs->pc; |
3144 |
} |
3145 |
#elif defined(TARGET_ALPHA)
|
3146 |
{ |
3147 |
int i;
|
3148 |
|
3149 |
for(i = 0; i < 28; i++) { |
3150 |
env->ir[i] = ((abi_ulong *)regs)[i]; |
3151 |
} |
3152 |
env->ir[IR_SP] = regs->usp; |
3153 |
env->pc = regs->pc; |
3154 |
} |
3155 |
#elif defined(TARGET_CRIS)
|
3156 |
{ |
3157 |
env->regs[0] = regs->r0;
|
3158 |
env->regs[1] = regs->r1;
|
3159 |
env->regs[2] = regs->r2;
|
3160 |
env->regs[3] = regs->r3;
|
3161 |
env->regs[4] = regs->r4;
|
3162 |
env->regs[5] = regs->r5;
|
3163 |
env->regs[6] = regs->r6;
|
3164 |
env->regs[7] = regs->r7;
|
3165 |
env->regs[8] = regs->r8;
|
3166 |
env->regs[9] = regs->r9;
|
3167 |
env->regs[10] = regs->r10;
|
3168 |
env->regs[11] = regs->r11;
|
3169 |
env->regs[12] = regs->r12;
|
3170 |
env->regs[13] = regs->r13;
|
3171 |
env->regs[14] = info->start_stack;
|
3172 |
env->regs[15] = regs->acr;
|
3173 |
env->pc = regs->erp; |
3174 |
} |
3175 |
#else
|
3176 |
#error unsupported target CPU
|
3177 |
#endif
|
3178 |
|
3179 |
#if defined(TARGET_ARM) || defined(TARGET_M68K)
|
3180 |
ts->stack_base = info->start_stack; |
3181 |
ts->heap_base = info->brk; |
3182 |
/* This will be filled in on the first SYS_HEAPINFO call. */
|
3183 |
ts->heap_limit = 0;
|
3184 |
#endif
|
3185 |
|
3186 |
if (gdbstub_port) {
|
3187 |
gdbserver_start (gdbstub_port); |
3188 |
gdb_handlesig(env, 0);
|
3189 |
} |
3190 |
cpu_loop(env); |
3191 |
/* never exits */
|
3192 |
return 0; |
3193 |
} |