1 files changed, 10 insertions, 391 deletions

diff --git a/cpu-target.c b/cpu-target.c
index 499facf..1c90a30 100644
--- a/cpu-target.c
+++ b/cpu-target.c
@@ -18,305 +18,19 @@
  */
 
 #include "qemu/osdep.h"
-#include "qapi/error.h"
-
-#include "exec/target_page.h"
-#include "exec/page-protection.h"
-#include "hw/qdev-core.h"
-#include "hw/qdev-properties.h"
-#include "qemu/error-report.h"
-#include "qemu/qemu-print.h"
-#include "migration/vmstate.h"
-#ifdef CONFIG_USER_ONLY
-#include "qemu.h"
-#else
-#include "hw/core/sysemu-cpu-ops.h"
-#include "exec/address-spaces.h"
-#include "exec/memory.h"
-#endif
-#include "sysemu/cpus.h"
-#include "sysemu/tcg.h"
+#include "cpu.h"
+#include "system/accel-ops.h"
+#include "system/cpus.h"
+#include "exec/cpu-common.h"
 #include "exec/tswap.h"
 #include "exec/replay-core.h"
-#include "exec/cpu-common.h"
-#include "exec/exec-all.h"
-#include "exec/tb-flush.h"
-#include "exec/translate-all.h"
 #include "exec/log.h"
-#include "hw/core/accel-cpu.h"
+#include "hw/core/cpu.h"
 #include "trace/trace-root.h"
-#include "qemu/accel.h"
-
-#ifndef CONFIG_USER_ONLY
-static int cpu_common_post_load(void *opaque, int version_id)
-{
-    CPUState *cpu = opaque;
-
-    /* 0x01 was CPU_INTERRUPT_EXIT. This line can be removed when the
-       version_id is increased. */
-    cpu->interrupt_request &= ~0x01;
-    tlb_flush(cpu);
-
-    /* loadvm has just updated the content of RAM, bypassing the
-     * usual mechanisms that ensure we flush TBs for writes to
-     * memory we've translated code from. So we must flush all TBs,
-     * which will now be stale.
-     */
-    tb_flush(cpu);
-
-    return 0;
-}
-
-static int cpu_common_pre_load(void *opaque)
-{
-    CPUState *cpu = opaque;
-
-    cpu->exception_index = -1;
-
-    return 0;
-}
-
-static bool cpu_common_exception_index_needed(void *opaque)
-{
-    CPUState *cpu = opaque;
-
-    return tcg_enabled() && cpu->exception_index != -1;
-}
-
-static const VMStateDescription vmstate_cpu_common_exception_index = {
-    .name = "cpu_common/exception_index",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .needed = cpu_common_exception_index_needed,
-    .fields = (const VMStateField[]) {
-        VMSTATE_INT32(exception_index, CPUState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static bool cpu_common_crash_occurred_needed(void *opaque)
-{
-    CPUState *cpu = opaque;
-
-    return cpu->crash_occurred;
-}
-
-static const VMStateDescription vmstate_cpu_common_crash_occurred = {
-    .name = "cpu_common/crash_occurred",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .needed = cpu_common_crash_occurred_needed,
-    .fields = (const VMStateField[]) {
-        VMSTATE_BOOL(crash_occurred, CPUState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-const VMStateDescription vmstate_cpu_common = {
-    .name = "cpu_common",
-    .version_id = 1,
-    .minimum_version_id = 1,
-    .pre_load = cpu_common_pre_load,
-    .post_load = cpu_common_post_load,
-    .fields = (const VMStateField[]) {
-        VMSTATE_UINT32(halted, CPUState),
-        VMSTATE_UINT32(interrupt_request, CPUState),
-        VMSTATE_END_OF_LIST()
-    },
-    .subsections = (const VMStateDescription * const []) {
-        &vmstate_cpu_common_exception_index,
-        &vmstate_cpu_common_crash_occurred,
-        NULL
-    }
-};
-#endif
-
-bool cpu_exec_realizefn(CPUState *cpu, Error **errp)
-{
-    /* cache the cpu class for the hotpath */
-    cpu->cc = CPU_GET_CLASS(cpu);
-
-    if (!accel_cpu_common_realize(cpu, errp)) {
-        return false;
-    }
-
-    /* Wait until cpu initialization complete before exposing cpu. */
-    cpu_list_add(cpu);
-
-#ifdef CONFIG_USER_ONLY
-    assert(qdev_get_vmsd(DEVICE(cpu)) == NULL ||
-           qdev_get_vmsd(DEVICE(cpu))->unmigratable);
-#else
-    if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
-        vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu);
-    }
-    if (cpu->cc->sysemu_ops->legacy_vmsd != NULL) {
-        vmstate_register(NULL, cpu->cpu_index, cpu->cc->sysemu_ops->legacy_vmsd, cpu);
-    }
-#endif /* CONFIG_USER_ONLY */
-
-    return true;
-}
-
-void cpu_exec_unrealizefn(CPUState *cpu)
-{
-#ifndef CONFIG_USER_ONLY
-    CPUClass *cc = CPU_GET_CLASS(cpu);
 
-    if (cc->sysemu_ops->legacy_vmsd != NULL) {
-        vmstate_unregister(NULL, cc->sysemu_ops->legacy_vmsd, cpu);
-    }
-    if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
-        vmstate_unregister(NULL, &vmstate_cpu_common, cpu);
-    }
-#endif
-
-    cpu_list_remove(cpu);
-    /*
-     * Now that the vCPU has been removed from the RCU list, we can call
-     * accel_cpu_common_unrealize, which may free fields using call_rcu.
-     */
-    accel_cpu_common_unrealize(cpu);
-}
-
-/*
- * This can't go in hw/core/cpu.c because that file is compiled only
- * once for both user-mode and system builds.
- */
-static Property cpu_common_props[] = {
-#ifdef CONFIG_USER_ONLY
-    /*
-     * Create a property for the user-only object, so users can
-     * adjust prctl(PR_SET_UNALIGN) from the command-line.
-     * Has no effect if the target does not support the feature.
-     */
-    DEFINE_PROP_BOOL("prctl-unalign-sigbus", CPUState,
-                     prctl_unalign_sigbus, false),
-#else
-    /*
-     * Create a memory property for system CPU object, so users can
-     * wire up its memory.  The default if no link is set up is to use
-     * the system address space.
-     */
-    DEFINE_PROP_LINK("memory", CPUState, memory, TYPE_MEMORY_REGION,
-                     MemoryRegion *),
-#endif
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-#ifndef CONFIG_USER_ONLY
-static bool cpu_get_start_powered_off(Object *obj, Error **errp)
-{
-    CPUState *cpu = CPU(obj);
-    return cpu->start_powered_off;
-}
-
-static void cpu_set_start_powered_off(Object *obj, bool value, Error **errp)
-{
-    CPUState *cpu = CPU(obj);
-    cpu->start_powered_off = value;
-}
-#endif
-
-void cpu_class_init_props(DeviceClass *dc)
-{
-#ifndef CONFIG_USER_ONLY
-    ObjectClass *oc = OBJECT_CLASS(dc);
-
-    /*
-     * We can't use DEFINE_PROP_BOOL in the Property array for this
-     * property, because we want this to be settable after realize.
-     */
-    object_class_property_add_bool(oc, "start-powered-off",
-                                   cpu_get_start_powered_off,
-                                   cpu_set_start_powered_off);
-#endif
-
-    device_class_set_props(dc, cpu_common_props);
-}
-
-void cpu_exec_initfn(CPUState *cpu)
-{
-    cpu->as = NULL;
-    cpu->num_ases = 0;
-
-#ifndef CONFIG_USER_ONLY
-    cpu->memory = get_system_memory();
-    object_ref(OBJECT(cpu->memory));
-#endif
-}
-
-char *cpu_model_from_type(const char *typename)
-{
-    const char *suffix = "-" CPU_RESOLVING_TYPE;
-
-    if (!object_class_by_name(typename)) {
-        return NULL;
-    }
-
-    if (g_str_has_suffix(typename, suffix)) {
-        return g_strndup(typename, strlen(typename) - strlen(suffix));
-    }
-
-    return g_strdup(typename);
-}
-
-const char *parse_cpu_option(const char *cpu_option)
-{
-    ObjectClass *oc;
-    CPUClass *cc;
-    gchar **model_pieces;
-    const char *cpu_type;
-
-    model_pieces = g_strsplit(cpu_option, ",", 2);
-    if (!model_pieces[0]) {
-        error_report("-cpu option cannot be empty");
-        exit(1);
-    }
-
-    oc = cpu_class_by_name(CPU_RESOLVING_TYPE, model_pieces[0]);
-    if (oc == NULL) {
-        error_report("unable to find CPU model '%s'", model_pieces[0]);
-        g_strfreev(model_pieces);
-        exit(EXIT_FAILURE);
-    }
-
-    cpu_type = object_class_get_name(oc);
-    cc = CPU_CLASS(oc);
-    cc->parse_features(cpu_type, model_pieces[1], &error_fatal);
-    g_strfreev(model_pieces);
-    return cpu_type;
-}
-
-#ifndef cpu_list
-static void cpu_list_entry(gpointer data, gpointer user_data)
-{
-    CPUClass *cc = CPU_CLASS(OBJECT_CLASS(data));
-    const char *typename = object_class_get_name(OBJECT_CLASS(data));
-    g_autofree char *model = cpu_model_from_type(typename);
-
-    if (cc->deprecation_note) {
-        qemu_printf("  %s (deprecated)\n", model);
-    } else {
-        qemu_printf("  %s\n", model);
-    }
-}
-
-static void cpu_list(void)
-{
-    GSList *list;
-
-    list = object_class_get_list_sorted(TYPE_CPU, false);
-    qemu_printf("Available CPUs:\n");
-    g_slist_foreach(list, cpu_list_entry, NULL);
-    g_slist_free(list);
-}
-#endif
-
-void list_cpus(void)
-{
-    cpu_list();
-}
+/* Validate correct placement of CPUArchState. */
+QEMU_BUILD_BUG_ON(offsetof(ArchCPU, parent_obj) != 0);
+QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) != sizeof(CPUState));
 
 /* enable or disable single step mode. EXCP_DEBUG is returned by the
    CPU loop after each instruction */
@@ -372,103 +86,8 @@ void cpu_abort(CPUState *cpu, const char *fmt, ...)
     abort();
 }
 
-/* physical memory access (slow version, mainly for debug) */
-#if defined(CONFIG_USER_ONLY)
-int cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
-                        void *ptr, size_t len, bool is_write)
-{
-    int flags;
-    vaddr l, page;
-    void * p;
-    uint8_t *buf = ptr;
-    ssize_t written;
-    int ret = -1;
-    int fd = -1;
-
-    while (len > 0) {
-        page = addr & TARGET_PAGE_MASK;
-        l = (page + TARGET_PAGE_SIZE) - addr;
-        if (l > len)
-            l = len;
-        flags = page_get_flags(page);
-        if (!(flags & PAGE_VALID)) {
-            goto out_close;
-        }
-        if (is_write) {
-            if (flags & PAGE_WRITE) {
-                /* XXX: this code should not depend on lock_user */
-                p = lock_user(VERIFY_WRITE, addr, l, 0);
-                if (!p) {
-                    goto out_close;
-                }
-                memcpy(p, buf, l);
-                unlock_user(p, addr, l);
-            } else {
-                /* Bypass the host page protection using ptrace. */
-                if (fd == -1) {
-                    fd = open("/proc/self/mem", O_WRONLY);
-                    if (fd == -1) {
-                        goto out;
-                    }
-                }
-                /*
-                 * If there is a TranslationBlock and we weren't bypassing the
-                 * host page protection, the memcpy() above would SEGV,
-                 * ultimately leading to page_unprotect(). So invalidate the
-                 * translations manually. Both invalidation and pwrite() must
-                 * be under mmap_lock() in order to prevent the creation of
-                 * another TranslationBlock in between.
-                 */
-                mmap_lock();
-                tb_invalidate_phys_range(addr, addr + l - 1);
-                written = pwrite(fd, buf, l,
-                                 (off_t)(uintptr_t)g2h_untagged(addr));
-                mmap_unlock();
-                if (written != l) {
-                    goto out_close;
-                }
-            }
-        } else if (flags & PAGE_READ) {
-            /* XXX: this code should not depend on lock_user */
-            p = lock_user(VERIFY_READ, addr, l, 1);
-            if (!p) {
-                goto out_close;
-            }
-            memcpy(buf, p, l);
-            unlock_user(p, addr, 0);
-        } else {
-            /* Bypass the host page protection using ptrace. */
-            if (fd == -1) {
-                fd = open("/proc/self/mem", O_RDONLY);
-                if (fd == -1) {
-                    goto out;
-                }
-            }
-            if (pread(fd, buf, l,
-                      (off_t)(uintptr_t)g2h_untagged(addr)) != l) {
-                goto out_close;
-            }
-        }
-        len -= l;
-        buf += l;
-        addr += l;
-    }
-    ret = 0;
-out_close:
-    if (fd != -1) {
-        close(fd);
-    }
-out:
-    return ret;
-}
-#endif
-
-bool target_words_bigendian(void)
+#undef target_big_endian
+bool target_big_endian(void)
 {
     return TARGET_BIG_ENDIAN;
 }
-
-const char *target_name(void)
-{
-    return TARGET_NAME;
-}