X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/fef29e9e993e62f025d8cbfeb6b8d51588083b7e..bb793d5c6918efee6a86de442463a7c9aaa4ecdd:/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 a7ac25a..9f86cf2 100644 --- a/lunaix-os/kernel/asm/x86/interrupts.c +++ b/lunaix-os/kernel/asm/x86/interrupts.c @@ -1,57 +1,47 @@ #include +#include + #include #include + +#include +#include +#include +#include +#include #include #include -static int_subscriber subscribers[256]; +LOG_MODULE("INTR") -static int_subscriber fallback = (int_subscriber) 0; - -void -intr_subscribe(const uint8_t vector, int_subscriber subscriber) { - subscribers[vector] = subscriber; -} - -void -intr_unsubscribe(const uint8_t vector, int_subscriber subscriber) { - if (subscribers[vector] == subscriber) { - subscribers[vector] = (int_subscriber) 0; - } -} - -void -intr_set_fallback_handler(int_subscriber subscribers) { - fallback = subscribers; -} +extern x86_page_table* __kernel_ptd; void intr_handler(isr_param* param) { - if (param->vector <= 255) { - int_subscriber subscriber = subscribers[param->vector]; - if (subscriber) { - subscriber(param); - goto done; - } - } + param->execp->saved_prev_ctx = __current->intr_ctx; + __current->intr_ctx = param; - if (fallback) { - fallback(param); + volatile struct exec_param* execp = __current->intr_ctx->execp; + + if (execp->vector <= 255) { + isr_cb subscriber = isrm_get(execp->vector); + subscriber(param); goto done; } - + kprint_panic("INT %u: (%x) [%p: %p] Unknown", - param->vector, - param->err_code, - param->cs, - param->eip); + execp->vector, + execp->err_code, + execp->cs, + execp->eip); done: // 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 (execp->vector >= IV_EX && execp->vector != APIC_SPIV_IV) { apic_done_servicing(); } + return; } \ No newline at end of file