X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/48b4a227035048fdebcd32532deb7a857c6199ac..db4d7d52fa00cc2fd3f25d971f57b73406d816ba:/lunaix-os/kernel/asm/x86/interrupts.c diff --git a/lunaix-os/kernel/asm/x86/interrupts.c b/lunaix-os/kernel/asm/x86/interrupts.c index f6b5538..864c7da 100644 --- a/lunaix-os/kernel/asm/x86/interrupts.c +++ b/lunaix-os/kernel/asm/x86/interrupts.c @@ -1,45 +1,51 @@ #include +#include #include #include -#include -#include +#include +#include #include #include +#include +#include LOG_MODULE("intr") static int_subscriber subscribers[256]; -static int_subscriber fallback = (int_subscriber) 0; +static int_subscriber fallback = (int_subscriber)0; void -intr_subscribe(const uint8_t vector, int_subscriber subscriber) { +intr_subscribe(const uint8_t vector, int_subscriber subscriber) +{ subscribers[vector] = subscriber; } void -intr_unsubscribe(const uint8_t vector, int_subscriber subscriber) { +intr_unsubscribe(const uint8_t vector, int_subscriber subscriber) +{ if (subscribers[vector] == subscriber) { - subscribers[vector] = (int_subscriber) 0; + subscribers[vector] = (int_subscriber)0; } } void -intr_set_fallback_handler(int_subscriber subscribers) { +intr_set_fallback_handler(int_subscriber subscribers) +{ fallback = subscribers; } +extern x86_page_table* __kernel_ptd; void intr_handler(isr_param* param) { - // if (param->vector == LUNAIX_SYS_CALL) { - // kprintf(KDEBUG "%p", param->registers.esp); - // } __current->intr_ctx = *param; - - if (param->vector <= 255) { - int_subscriber subscriber = subscribers[param->vector]; + + isr_param* lparam = &__current->intr_ctx; + + if (lparam->vector <= 255) { + int_subscriber subscriber = subscribers[lparam->vector]; if (subscriber) { subscriber(param); goto done; @@ -47,29 +53,23 @@ intr_handler(isr_param* param) } if (fallback) { - fallback(param); + fallback(lparam); goto done; } - + kprint_panic("INT %u: (%x) [%p: %p] Unknown", - param->vector, - param->err_code, - param->cs, - param->eip); + lparam->vector, + lparam->err_code, + lparam->cs, + lparam->eip); done: - - // if (__current->state != PROC_RUNNING) { - // schedule(); - // } - // for all external interrupts except the spurious interrupt // this is required by Intel Manual Vol.3A, section 10.8.1 & 10.8.5 - if (param->vector >= EX_INTERRUPT_BEGIN && param->vector != APIC_SPIV_IV) { + if (lparam->vector >= EX_INTERRUPT_BEGIN && + lparam->vector != APIC_SPIV_IV) { apic_done_servicing(); } - *param = __current->intr_ctx; - return; } \ No newline at end of file