#include "exec-all.h"
#include "qemu-common.h"
#include "tcg.h"
+#include "hw/hw.h"
#if defined(CONFIG_USER_ONLY)
#include <qemu.h>
#endif
cpu_exec() */
CPUState *cpu_single_env;
/* 0 = Do not count executed instructions.
- 1 = Precice instruction counting.
+ 1 = Precise instruction counting.
2 = Adaptive rate instruction counting. */
int use_icount = 0;
/* Current instruction counter. While executing translated code this may
#endif
}
+#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
+
+#define CPU_COMMON_SAVE_VERSION 1
+
+static void cpu_common_save(QEMUFile *f, void *opaque)
+{
+ CPUState *env = opaque;
+
+ qemu_put_be32s(f, &env->halted);
+ qemu_put_be32s(f, &env->interrupt_request);
+}
+
+static int cpu_common_load(QEMUFile *f, void *opaque, int version_id)
+{
+ CPUState *env = opaque;
+
+ if (version_id != CPU_COMMON_SAVE_VERSION)
+ return -EINVAL;
+
+ qemu_get_be32s(f, &env->halted);
+ qemu_get_be32s(f, &env->interrupt_request);
+ tlb_flush(env, 1);
+
+ return 0;
+}
+#endif
+
void cpu_exec_init(CPUState *env)
{
CPUState **penv;
env->cpu_index = cpu_index;
env->nb_watchpoints = 0;
*penv = env;
+#if defined(CPU_SAVE_VERSION) && !defined(CONFIG_USER_ONLY)
+ register_savevm("cpu_common", cpu_index, CPU_COMMON_SAVE_VERSION,
+ cpu_common_save, cpu_common_load, env);
+ register_savevm("cpu", cpu_index, CPU_SAVE_VERSION,
+ cpu_save, cpu_load, env);
+#endif
}
static inline void invalidate_page_bitmap(PageDesc *p)
void tb_free(TranslationBlock *tb)
{
- /* In practice this is mostly used for single use temorary TB
+ /* In practice this is mostly used for single use temporary TB
Ignore the hard cases and just back up if this TB happens to
be the last one generated. */
if (nb_tbs > 0 && tb == &tbs[nb_tbs - 1]) {
old_mask = env->interrupt_request;
/* FIXME: This is probably not threadsafe. A different thread could
- be in the mittle of a read-modify-write operation. */
+ be in the middle of a read-modify-write operation. */
env->interrupt_request |= mask;
#if defined(USE_NPTL)
/* FIXME: TB unchaining isn't SMP safe. For now just ignore the
n = env->icount_decr.u16.low + tb->icount;
cpu_restore_state(tb, env, (unsigned long)retaddr, NULL);
/* Calculate how many instructions had been executed before the fault
- occured. */
+ occurred. */
n = n - env->icount_decr.u16.low;
/* Generate a new TB ending on the I/O insn. */
n++;
/* On MIPS and SH, delay slot instructions can only be restarted if
they were already the first instruction in the TB. If this is not
- the first instruction in a TB then re-execute the preceeding
+ the first instruction in a TB then re-execute the preceding
branch. */
#if defined(TARGET_MIPS)
if ((env->hflags & MIPS_HFLAG_BMASK) != 0 && n > 1) {
/* FIXME: In theory this could raise an exception. In practice
we have already translated the block once so it's probably ok. */
tb_gen_code(env, pc, cs_base, flags, cflags);
- /* TODO: If env->pc != tb->pc (i.e. the failuting instruction was not
+ /* TODO: If env->pc != tb->pc (i.e. the faulting instruction was not
the first in the TB) then we end up generating a whole new TB and
repeating the fault, which is horribly inefficient.
Better would be to execute just this insn uncached, or generate a