Fixed cycles accumulation in update_tsc() when cache is enabled (and the actual recompiler kicks in), and also fixed a warning in the 82091AA code.

This commit is contained in:
OBattler
2020-07-12 20:01:16 +02:00
parent 8e5fa10d0e
commit 974a7ae4f1
9 changed files with 39 additions and 3 deletions

View File

@@ -276,12 +276,17 @@ static void prefetch_flush()
static int cycles_main = 0, cycles_old = 0;
static uint64_t tsc_old = 0;
int acycs = 0;
void update_tsc(void)
{
int cycdiff;
uint64_t delta;
cycdiff = cycles_old - cycles;
if (CACHE_ON())
cycdiff = acycs;
else
cycdiff = cycles_old - cycles;
delta = tsc - tsc_old;
if (delta > 0) {
/* TSC has changed, this means interim timer processing has happened,

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@@ -362,6 +362,8 @@ cpu_set(void)
cpu_effective = cpu;
cpu_s = &machines[machine].cpu[cpu_manufacturer].cpus[cpu_effective];
acycs = 0;
cpu_alt_reset = 0;
unmask_a20_in_smm = 0;

View File

@@ -503,6 +503,8 @@ extern int timing_misaligned;
extern int in_sys, unmask_a20_in_smm;
extern uint32_t old_rammask;
extern int acycs;
extern uint16_t cpu_fast_off_count, cpu_fast_off_val;
extern uint32_t cpu_fast_off_flags;