{
};
-static Jdb_kern_info_idt k_I INIT_PRIORITY(JDB_MODULE_INIT_PRIO+1);
+static Jdb_kern_info_idt k_I INIT_PRIORITY(JDB_MODULE_INIT_PRIO + 1);
PUBLIC
Jdb_kern_info_idt::Jdb_kern_info_idt()
}
}
+class Jdb_kern_info_test_tsc_scaler : public Jdb_kern_info_module
+{
+};
+
+static Jdb_kern_info_test_tsc_scaler k_tts INIT_PRIORITY(JDB_MODULE_INIT_PRIO+1);
+
+PUBLIC
+Jdb_kern_info_test_tsc_scaler::Jdb_kern_info_test_tsc_scaler()
+ : Jdb_kern_info_module('T', "Test TSC scaler")
+{
+ Jdb_kern_info::register_subcmd(this);
+}
+
+PUBLIC
+void
+Jdb_kern_info_test_tsc_scaler::show()
+{
+ while (Kconsole::console()->getchar(false) == -1)
+ {
+ Unsigned64 t;
+ t = Cpu::boot_cpu()->ns_to_tsc(Cpu::boot_cpu()->tsc_to_ns(Cpu::rdtsc()));
+ printf("Diff (press any key to stop): %lld\n", Cpu::rdtsc() - t);
+ }
+}
//---------------------------------------------------------------------------
IMPLEMENTATION[ia32,amd64]:
#include "io.h"
-
class Jdb_kern_info_pic_state : public Jdb_kern_info_module
{
};
{
int i;
static char const hex[] = "0123456789ABCDEF";
-
+
// show important I/O ports
- Io::out8_p(Pic::OCW_TEMPLATE | Pic::READ_NEXT_RD | Pic::READ_IS_ONRD,
+ Io::out8_p(Pic::OCW_TEMPLATE | Pic::READ_NEXT_RD | Pic::READ_IS_ONRD,
Pic::MASTER_ICW );
unsigned in_service = Io::in8(Pic::MASTER_ICW);
Io::out8_p(Pic::OCW_TEMPLATE | Pic::READ_NEXT_RD | Pic::READ_IR_ONRD,
for (i=7; i>=0; i--)
putchar((mask & (1<<i)) ? hex[i] : '-');
putchar('\n');
-
- Io::out8_p( Pic::OCW_TEMPLATE | Pic::READ_NEXT_RD | Pic::READ_IS_ONRD,
+
+ Io::out8_p( Pic::OCW_TEMPLATE | Pic::READ_NEXT_RD | Pic::READ_IS_ONRD,
Pic::SLAVES_ICW);
in_service = Io::in8(Pic::SLAVES_ICW);
- Io::out8_p( Pic::OCW_TEMPLATE | Pic::READ_NEXT_RD | Pic::READ_IR_ONRD,
+ Io::out8_p( Pic::OCW_TEMPLATE | Pic::READ_NEXT_RD | Pic::READ_IR_ONRD,
Pic::SLAVES_ICW);
requested = Io::in8(Pic::SLAVES_ICW);
mask = Jdb::pic_status >> 8;
{
};
-static Jdb_kern_info_misc k_i INIT_PRIORITY(JDB_MODULE_INIT_PRIO+1);
+static Jdb_kern_info_misc k_i INIT_PRIORITY(JDB_MODULE_INIT_PRIO + 1);
PUBLIC
Jdb_kern_info_misc::Jdb_kern_info_misc()
if(Cpu::get_tr() != 0)
{
Gdt_entry *e = Cpu::boot_cpu()->get_gdt()->entries() + (Cpu::boot_cpu()->get_tr() >> 3);
- printf(": "L4_PTR_FMT"-"L4_PTR_FMT", iobitmap at "L4_PTR_FMT,
- e->base(), e->base()+ e->size(),
- e->base() + (reinterpret_cast<Tss *>(e->base())->_io_bit_map_offset));
+ printf(": "L4_PTR_FMT"-"L4_PTR_FMT", iobitmap at "L4_PTR_FMT,
+ e->base(), e->base()+ e->size(),
+ e->base() + (reinterpret_cast<Tss *>(e->base())->_io_bit_map_offset));
}
printf("\n"
"cr0 : "L4_PTR_FMT"\n"
{
};
-static Jdb_kern_info_cpu k_c INIT_PRIORITY(JDB_MODULE_INIT_PRIO+1);
+static Jdb_kern_info_cpu k_c INIT_PRIORITY(JDB_MODULE_INIT_PRIO + 1);
PUBLIC
Jdb_kern_info_cpu::Jdb_kern_info_cpu()
char cpu_mhz[32];
char time[32];
unsigned hz;
- static char const * const scheduler_mode[] = { "PIT", "RTC", "APIC" };
+ static char const * const scheduler_mode[]
+ = { "PIT", "RTC", "APIC", "HPET" };
cpu_mhz[0] = '\0';
if ((hz = Cpu::boot_cpu()->frequency()))
sec -= hour * 3600;
min = sec / 60;
sec -= min * 60;
- snprintf(time, sizeof(time), "%02d:%02d:%02d.%06d",
+ snprintf(time, sizeof(time), "%02d:%02d:%02d.%06d",
hour, min, sec, ns/1000);
}
else
scheduler_mode[Config::scheduler_mode],
Config::scheduler_irq_vector,
perf_type ? perf_type : "no",
- Cpu::boot_cpu()->lbr_type() != Cpu::Lbr_unsupported
+ Cpu::boot_cpu()->lbr_type() != Cpu::Lbr_unsupported
? Cpu::boot_cpu()->lbr_type() == Cpu::Lbr_pentium_4 ? "P4" : "P6"
: "no",
Cpu::boot_cpu()->bts_type() != Cpu::Bts_unsupported
);
}
-
class Jdb_kern_info_gdt : public Jdb_kern_info_module
{
private:
static unsigned line;
};
-static Jdb_kern_info_gdt k_g INIT_PRIORITY(JDB_MODULE_INIT_PRIO+1);
+static Jdb_kern_info_gdt k_g INIT_PRIORITY(JDB_MODULE_INIT_PRIO + 1);
unsigned Jdb_kern_info_gdt::line;
line = 0;
Jdb::foreach_cpu(&show_gdt);
}
+
+// ------------------------------------------------------------------------
+IMPLEMENTATION [(ia32 || amd64) && hpet_timer]:
+
+#include "hpet.h"
+
+class Jdb_kern_info_hpet_smm : public Jdb_kern_info_module
+{};
+
+static Jdb_kern_info_hpet_smm ki_smm INIT_PRIORITY(JDB_MODULE_INIT_PRIO + 1);
+
+PUBLIC
+Jdb_kern_info_hpet_smm::Jdb_kern_info_hpet_smm()
+ : Jdb_kern_info_module('S', "SMM loop using HPET")
+{
+ Jdb_kern_info::register_subcmd(this);
+}
+
+PUBLIC
+void
+Jdb_kern_info_hpet_smm::show()
+{
+ const unsigned config_spin_loops = 10000;
+ const unsigned config_hist_loops = 60;
+ unsigned delta = 1;
+ Mword counter_good = 0;
+ Mword histsum = 0;
+ Mword hist_loops = config_hist_loops;
+
+ printf("HPET SMM Check: Press key to stop.\n");
+ printf("HPET SMM Check Loop testing (loops=%d)\n", config_spin_loops);
+
+ Hpet::hpet()->dump();
+ Hpet::hpet()->enable();
+ while (1)
+ {
+ Unsigned64 x1 = Hpet::hpet()->counter_val;
+
+ int i = config_spin_loops;
+ while (i--)
+ asm volatile("" : : : "memory");
+
+ Unsigned64 diff = Hpet::hpet()->counter_val - x1;
+
+ if (hist_loops)
+ {
+ histsum += diff;
+ --hist_loops;
+
+ if (hist_loops == 0)
+ {
+ delta = (histsum + histsum / 9) / config_hist_loops;
+ printf("HPET SMM Check threshold=%dhpet-clks %lldus\n",
+ delta,
+ (delta * Hpet::hpet()->counter_clk_period()) / 1000000000ULL);
+ }
+ }
+ else
+ {
+ if (diff > delta && diff < (~0UL - delta * 2))
+ {
+ printf("%lld %lldus (before %ld good iterations)\n", diff,
+ (diff * Hpet::hpet()->counter_clk_period()) / 1000000000ULL,
+ counter_good);
+ counter_good = 0;
+ if (Kconsole::console()->getchar(false) != -1)
+ break;
+ }
+ else
+ ++counter_good;
+
+ if (counter_good % 30000 == 2)
+ if (Kconsole::console()->getchar(false) != -1)
+ break;
+ }
+ }
+}
projects / l4.git / blobdiff