Applied, thanks!
Damien Zammit, le dim. 26 févr. 2023 01:31:00 +0000, a ecrit:
> ---
> i386/i386/pit.c | 14 +++++++-------
> i386/i386/pit.h | 3 ++-
> 2 files changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/i386/i386/pit.c b/i386/i386/pit.c
> index 7373a38e..6c006a98 100644
> --- a/i386/i386/pit.c
> +++ b/i386/i386/pit.c
> @@ -66,18 +66,18 @@ int pit0_mode = PIT_C0|PIT_SQUAREMODE|PIT_READMODE ;
> unsigned int clknumb = CLKNUM; /* interrupt interval for timer
> 0 */
>
> void
> -pit_prepare_sleep(int hz)
> +pit_prepare_sleep(int persec)
> {
> - /* Prepare to sleep for 1/hz seconds */
> - int val = 0;
> - int lsb, msb;
> + /* Prepare to sleep for 1/persec seconds */
> + uint32_t val = 0;
> + uint8_t lsb, msb;
>
> val = inb(PITAUX_PORT);
> val &= ~PITAUX_OUT2;
> val |= PITAUX_GATE2;
> outb (PITAUX_PORT, val);
> - outb (PITCTL_PORT, PIT_C2 | PIT_LOADMODE | PIT_RATEMODE);
> - val = CLKNUM / hz;
> + outb (PITCTL_PORT, PIT_C2 | PIT_LOADMODE | PIT_ONESHOTMODE);
> + val = CLKNUM / persec;
> lsb = val & 0xff;
> msb = val >> 8;
> outb (PITCTR2_PORT, lsb);
> @@ -88,7 +88,7 @@ pit_prepare_sleep(int hz)
> void
> pit_sleep(void)
> {
> - int val;
> + uint8_t val;
>
> /* Start counting down */
> val = inb(PITAUX_PORT);
> diff --git a/i386/i386/pit.h b/i386/i386/pit.h
> index 51c4111d..b14c4c84 100644
> --- a/i386/i386/pit.h
> +++ b/i386/i386/pit.h
> @@ -73,7 +73,8 @@ WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
> * followed by most significant byte */
>
> #define PIT_SQUAREMODE 0x06 /* square-wave mode */
> -#define PIT_RATEMODE 0x02 /* rate generator mode */
> +#define PIT_RATEMODE 0x04 /* rate generator mode */
> +#define PIT_ONESHOTMODE 0x02 /* one-shot mode */
>
> /* Used for Timer 2. */
> #define PIT_C2 0x80 /* select counter 2 */
> --
> 2.39.0
>
>
>
--
Samuel
---
Pour une évaluation indépendante, transparente et rigoureuse !
Je soutiens la Commission d'Évaluation de l'Inria.
