X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/48b4a227035048fdebcd32532deb7a857c6199ac..0cf90cca0c924622f3fee8d2a3fafa8238363dc6:/lunaix-os/kernel/asm/x86/interrupts.c?ds=inline diff --git a/lunaix-os/kernel/asm/x86/interrupts.c b/lunaix-os/kernel/asm/x86/interrupts.c index f6b5538..3fb24cb 100644 --- a/lunaix-os/kernel/asm/x86/interrupts.c +++ b/lunaix-os/kernel/asm/x86/interrupts.c @@ -1,75 +1,47 @@ #include +#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; - -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; -} +LOG_MODULE("INTR") +extern x86_page_table* __kernel_ptd; void intr_handler(isr_param* param) { - // if (param->vector == LUNAIX_SYS_CALL) { - // kprintf(KDEBUG "%p", param->registers.esp); - // } + param->execp->saved_prev_ctx = __current->intr_ctx; __current->intr_ctx = *param; - - if (param->vector <= 255) { - int_subscriber subscriber = subscribers[param->vector]; - if (subscriber) { - subscriber(param); - goto done; - } - } - 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: - - // 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 (execp->vector >= IV_EX && execp->vector != APIC_SPIV_IV) { apic_done_servicing(); } - *param = __current->intr_ctx; - return; } \ No newline at end of file