#include <mach/processor.h>
#include <kern/processor.h>
#include <kern/machine.h>
-#include <kern/cpu_data.h>
+
#include <kern/cpu_number.h>
#include <kern/thread.h>
#include <kern/thread_call.h>
+#include <kern/policy_internal.h>
+
#include <prng/random.h>
#include <i386/machine_cpu.h>
#include <i386/lapic.h>
#include <kern/kpc.h>
#endif
#include <architecture/i386/pio.h>
-
+#include <i386/cpu_data.h>
#if DEBUG
#define DBG(x...) kprintf("DBG: " x)
#else
#define DBG(x...)
#endif
+#if MONOTONIC
+#include <kern/monotonic.h>
+#endif /* MONOTONIC */
+
extern void wakeup(void *);
static int max_cpus_initialized = 0;
-unsigned int LockTimeOut;
-unsigned int TLBTimeOut;
-unsigned int LockTimeOutTSC;
-unsigned int MutexSpin;
+uint64_t LockTimeOut;
+uint64_t TLBTimeOut;
+uint64_t LockTimeOutTSC;
+uint32_t LockTimeOutUsec;
+uint64_t MutexSpin;
uint64_t LastDebuggerEntryAllowance;
uint64_t delay_spin_threshold;
{
boolean_t current_state;
- current_state = ml_get_interrupts_enabled();
+ current_state = ml_set_interrupts_enabled(FALSE);
PE_install_interrupt_handler(nub, source, target,
(IOInterruptHandler) handler, refCon);
if (this_cpu_datap->cpu_console_buf == NULL)
goto failed;
- this_cpu_datap->cpu_chud = chudxnu_cpu_alloc(boot_cpu);
- if (this_cpu_datap->cpu_chud == NULL)
- goto failed;
-
#if KPC
if (kpc_register_cpu(this_cpu_datap) != TRUE)
goto failed;
#if NCOPY_WINDOWS > 0
pmap_cpu_free(this_cpu_datap->cpu_pmap);
#endif
- chudxnu_cpu_free(this_cpu_datap->cpu_chud);
console_cpu_free(this_cpu_datap->cpu_console_buf);
#if KPC
- kpc_counterbuf_free(this_cpu_datap->cpu_kpc_buf[0]);
- kpc_counterbuf_free(this_cpu_datap->cpu_kpc_buf[1]);
- kpc_counterbuf_free(this_cpu_datap->cpu_kpc_shadow);
- kpc_counterbuf_free(this_cpu_datap->cpu_kpc_reload);
-#endif
+ kpc_unregister_cpu(this_cpu_datap);
+#endif /* KPC */
return KERN_FAILURE;
}
return(machine_info.max_cpus);
}
+boolean_t
+ml_wants_panic_trap_to_debugger(void)
+{
+ return FALSE;
+}
+
+void
+ml_panic_trap_to_debugger(__unused const char *panic_format_str,
+ __unused va_list *panic_args,
+ __unused unsigned int reason,
+ __unused void *ctx,
+ __unused uint64_t panic_options_mask,
+ __unused unsigned long panic_caller)
+{
+ return;
+}
+
/*
* Routine: ml_init_lock_timeout
* Function:
if (PE_parse_boot_argn("slto_us", &slto, sizeof (slto)))
default_timeout_ns = slto * NSEC_PER_USEC;
- /* LockTimeOut is absolutetime, LockTimeOutTSC is in TSC ticks */
+ /*
+ * LockTimeOut is absolutetime, LockTimeOutTSC is in TSC ticks,
+ * and LockTimeOutUsec is in microseconds and it's 32-bits.
+ */
+ LockTimeOutUsec = (uint32_t) (default_timeout_ns / NSEC_PER_USEC);
nanoseconds_to_absolutetime(default_timeout_ns, &abstime);
- LockTimeOut = (uint32_t) abstime;
- LockTimeOutTSC = (uint32_t) tmrCvt(abstime, tscFCvtn2t);
+ LockTimeOut = abstime;
+ LockTimeOutTSC = tmrCvt(abstime, tscFCvtn2t);
/*
* TLBTimeOut dictates the TLB flush timeout period. It defaults to
TLBTimeOut = LockTimeOut;
}
+#if DEVELOPMENT || DEBUG
+ reportphyreaddelayabs = LockTimeOut >> 1;
+#endif
if (PE_parse_boot_argn("phyreadmaxus", &slto, sizeof (slto))) {
default_timeout_ns = slto * NSEC_PER_USEC;
nanoseconds_to_absolutetime(default_timeout_ns, &abstime);
nanoseconds_to_absolutetime(4ULL * NSEC_PER_SEC, &LastDebuggerEntryAllowance);
if (PE_parse_boot_argn("panic_restart_timeout", &prt, sizeof (prt)))
nanoseconds_to_absolutetime(prt * NSEC_PER_SEC, &panic_restart_timeout);
+
virtualized = ((cpuid_features() & CPUID_FEATURE_VMM) != 0);
+ if (virtualized) {
+ int vti;
+
+ if (!PE_parse_boot_argn("vti", &vti, sizeof (vti)))
+ vti = 6;
+ printf("Timeouts adjusted for virtualization (<<%d)\n", vti);
+ kprintf("Timeouts adjusted for virtualization (<<%d):\n", vti);
+#define VIRTUAL_TIMEOUT_INFLATE64(_timeout) \
+MACRO_BEGIN \
+ kprintf("%24s: 0x%016llx ", #_timeout, _timeout); \
+ _timeout <<= vti; \
+ kprintf("-> 0x%016llx\n", _timeout); \
+MACRO_END
+#define VIRTUAL_TIMEOUT_INFLATE32(_timeout) \
+MACRO_BEGIN \
+ kprintf("%24s: 0x%08x ", #_timeout, _timeout); \
+ if ((_timeout <<vti) >> vti == _timeout) \
+ _timeout <<= vti; \
+ else \
+ _timeout = ~0; /* cap rather than overflow */ \
+ kprintf("-> 0x%08x\n", _timeout); \
+MACRO_END
+ VIRTUAL_TIMEOUT_INFLATE32(LockTimeOutUsec);
+ VIRTUAL_TIMEOUT_INFLATE64(LockTimeOut);
+ VIRTUAL_TIMEOUT_INFLATE64(LockTimeOutTSC);
+ VIRTUAL_TIMEOUT_INFLATE64(TLBTimeOut);
+ VIRTUAL_TIMEOUT_INFLATE64(MutexSpin);
+ VIRTUAL_TIMEOUT_INFLATE64(reportphyreaddelayabs);
+ }
+
interrupt_latency_tracker_setup();
simple_lock_init(&ml_timer_evaluation_slock, 0);
}
}
}
+#if KASAN
+vm_offset_t ml_stack_base(void);
+vm_size_t ml_stack_size(void);
+
+vm_offset_t
+ml_stack_base(void)
+{
+ if (ml_at_interrupt_context()) {
+ return current_cpu_datap()->cpu_int_stack_top - INTSTACK_SIZE;
+ } else {
+ return current_thread()->kernel_stack;
+ }
+}
+
+vm_size_t
+ml_stack_size(void)
+{
+ if (ml_at_interrupt_context()) {
+ return INTSTACK_SIZE;
+ } else {
+ return kernel_stack_size;
+ }
+}
+#endif
+
void
kernel_preempt_check(void)
{
}
boolean_t machine_timeout_suspended(void) {
- return (virtualized || pmap_tlb_flush_timeout || spinlock_timed_out || panic_active() || mp_recent_debugger_activity() || ml_recent_wake());
+ return (pmap_tlb_flush_timeout || spinlock_timed_out || panic_active() || mp_recent_debugger_activity() || ml_recent_wake());
}
/* Eagerly evaluate all pending timer and thread callouts
*ep = ror32(*ep, 9) ^ tsc_lo;
}
+uint64_t
+ml_energy_stat(__unused thread_t t) {
+ return 0;
+}
+
void
ml_gpu_stat_update(uint64_t gpu_ns_delta) {
current_thread()->machine.thread_gpu_ns += gpu_ns_delta;
ml_gpu_stat(thread_t t) {
return t->machine.thread_gpu_ns;
}
+
+int plctrace_enabled = 0;
+
+void _disable_preemption(void) {
+ disable_preemption_internal();
+}
+
+void _enable_preemption(void) {
+ enable_preemption_internal();
+}
+
+void plctrace_disable(void) {
+ plctrace_enabled = 0;
+}
+
+static boolean_t ml_quiescing;
+
+void ml_set_is_quiescing(boolean_t quiescing)
+{
+ assert(FALSE == ml_get_interrupts_enabled());
+ ml_quiescing = quiescing;
+}
+
+boolean_t ml_is_quiescing(void)
+{
+ assert(FALSE == ml_get_interrupts_enabled());
+ return (ml_quiescing);
+}
+
+uint64_t ml_get_booter_memory_size(void)
+{
+ return (0);
+}
projects / apple / xnu.git / blobdiff