| 37,7 → 37,7 |
|---|
| |
| unsigned char use_tsc = 1; //Enable the TSC counter mode |
| unsigned char use_cmos = 0; //Enable the RTC correction |
| unsigned char use_apic = 0; //Enable the APIC for P6 only |
| unsigned char use_apic = 1; //Enable the APIC for P6 only |
| |
| //Max single delta_clk_per_msec increment = clk_per_msec / MAX_DIV_INK; |
| #define MAX_DIV_INK 30000 |
| 52,6 → 52,7 |
|---|
| signed long long * ptr_clk_per_msec = &clk_per_msec; |
| |
| signed long long apic_clk_per_msec; |
| unsigned int apic_set_limit; |
| |
| signed long last_delta_clk_per_msec; |
| signed long total_delta_clk_per_msec; |
| 493,7 → 494,8 |
|---|
| |
| #define LOCAL_TIMER_VECTOR 0x66 |
| |
| /* Set APIC Timer... from Linux kernel */ void setup_APIC_LVTT(unsigned int clocks) |
| /* Set APIC Timer... from Linux kernel */ |
| void setup_APIC_timer() |
| { |
| unsigned int lvtt1_value, tmp_value; |
| |
| 508,11 → 510,14 |
|---|
| apic_write_around(APIC_TDCR, (tmp_value |
| & ~(APIC_TDR_DIV_1 | APIC_TDR_DIV_TMBASE)) |
| | APIC_TDR_DIV_1); |
| |
| apic_write_around(APIC_TMICT, clocks); |
| |
| apic_write_around(APIC_TMICT, 0xFFFFFFFF); |
| |
| disable_APIC_timer(); |
| } |
| |
| #define APIC_LIMIT 0xFF000000 |
| #define APIC_SET_LIMIT 10 |
| |
| void ll_calibrate_apic(void) |
| { |
| 553,7 → 558,8 |
|---|
| dapic = apic_start - apic_end; |
| |
| apic_clk_per_msec = clk_per_msec * (signed long long)(dapic) / dtsc; |
| |
| apic_set_limit = ((apic_clk_per_msec / 100) == 0) ? (apic_clk_per_msec/100) : APIC_SET_LIMIT; |
| |
| message("Calibrated APIC Clk/msec = %10ld\n",(long)apic_clk_per_msec); |
| |
| } |
| 586,6 → 592,8 |
|---|
| ll_calibrate_apic(); |
| |
| setup_local_APIC(); |
| |
| setup_APIC_timer(); |
| |
| } |
| |