Reset it.
Signed-off-by: Andreas Färber <afaer...@suse.de>
---
cpu-exec.c | 10 +++++-----
cpus.c | 14 +++++++-------
include/exec/cpu-defs.h | 1 -
include/qom/cpu.h | 2 ++
qom/cpu.c | 1 +
5 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index c839f80..8a135ca 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -644,15 +644,15 @@ int cpu_exec(CPUArchState *env)
int insns_left;
tb = (TranslationBlock *)(next_tb & ~TB_EXIT_MASK);
insns_left = env->icount_decr.u32;
- if (env->icount_extra && insns_left >= 0) {
+ if (cpu->icount_extra && insns_left >= 0) {
/* Refill decrementer and continue execution. */
- env->icount_extra += insns_left;
- if (env->icount_extra > 0xffff) {
+ cpu->icount_extra += insns_left;
+ if (cpu->icount_extra > 0xffff) {
insns_left = 0xffff;
} else {
- insns_left = env->icount_extra;
+ insns_left = cpu->icount_extra;
}
- env->icount_extra -= insns_left;
+ cpu->icount_extra -= insns_left;
env->icount_decr.u16.low = insns_left;
} else {
if (insns_left > 0) {
diff --git a/cpus.c b/cpus.c
index 439a0d8..318e13f 100644
--- a/cpus.c
+++ b/cpus.c
@@ -131,7 +131,7 @@ int64_t cpu_get_icount(void)
if (!cpu_can_do_io(cpu)) {
fprintf(stderr, "Bad clock read\n");
}
- icount -= (env->icount_decr.u16.low + env->icount_extra);
+ icount -= (env->icount_decr.u16.low + cpu->icount_extra);
}
return qemu_icount_bias + (icount << icount_time_shift);
}
@@ -1147,6 +1147,7 @@ int vm_stop_force_state(RunState state)
static int tcg_cpu_exec(CPUArchState *env)
{
+ CPUState *cpu = ENV_GET_CPU(env);
int ret;
#ifdef CONFIG_PROFILER
int64_t ti;
@@ -1159,9 +1160,9 @@ static int tcg_cpu_exec(CPUArchState *env)
int64_t count;
int64_t deadline;
int decr;
- qemu_icount -= (env->icount_decr.u16.low + env->icount_extra);
+ qemu_icount -= (env->icount_decr.u16.low + cpu->icount_extra);
env->icount_decr.u16.low = 0;
- env->icount_extra = 0;
+ cpu->icount_extra = 0;
deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
/* Maintain prior (possibly buggy) behaviour where if no deadline
@@ -1178,7 +1179,7 @@ static int tcg_cpu_exec(CPUArchState *env)
decr = (count > 0xffff) ? 0xffff : count;
count -= decr;
env->icount_decr.u16.low = decr;
- env->icount_extra = count;
+ cpu->icount_extra = count;
}
ret = cpu_exec(env);
#ifdef CONFIG_PROFILER
@@ -1187,10 +1188,9 @@ static int tcg_cpu_exec(CPUArchState *env)
if (use_icount) {
/* Fold pending instructions back into the
instruction counter, and clear the interrupt flag. */
- qemu_icount -= (env->icount_decr.u16.low
- + env->icount_extra);
+ qemu_icount -= (env->icount_decr.u16.low + cpu->icount_extra);
env->icount_decr.u32 = 0;
- env->icount_extra = 0;
+ cpu->icount_extra = 0;
}
return ret;
}
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
index a2726c1..9f0c0f2 100644
--- a/include/exec/cpu-defs.h
+++ b/include/exec/cpu-defs.h
@@ -148,7 +148,6 @@ typedef struct CPUWatchpoint {
CPU_COMMON_TLB \
struct TranslationBlock *tb_jmp_cache[TB_JMP_CACHE_SIZE]; \
\
- int64_t icount_extra; /* Instructions until next timer event. */ \
/* Number of cycles left, with interrupt flag in high bit. \
This allows a single read-compare-cbranch-write sequence to test \
for both decrementer underflow and exceptions. */ \
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 88cbb9d..fdf7ae5 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -160,6 +160,7 @@ struct kvm_run;
* @tcg_exit_req: Set to force TCG to stop executing linked TBs for this
* CPU and return to its top level loop.
* @singlestep_enabled: Flags for single-stepping.
+ * @icount_extra: Instructions until next timer event.
* @can_do_io: Nonzero if memory-mapped IO is safe.
* @env_ptr: Pointer to subclass-specific CPUArchState field.
* @current_tb: Currently executing TB.
@@ -199,6 +200,7 @@ struct CPUState {
volatile sig_atomic_t tcg_exit_req;
uint32_t interrupt_request;
int singlestep_enabled;
+ int64_t icount_extra;
void *env_ptr; /* CPUArchState */
struct TranslationBlock *current_tb;
diff --git a/qom/cpu.c b/qom/cpu.c
index 96b8771..fe0d2e7 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -200,6 +200,7 @@ static void cpu_common_reset(CPUState *cpu)
cpu->halted = 0;
cpu->mem_io_pc = 0;
cpu->mem_io_vaddr = 0;
+ cpu->icount_extra = 0;
cpu->can_do_io = 0;
}
--
1.8.1.4
