From ac9741e12222e72bad3414bc6f588e70a3d130cc Mon Sep 17 00:00:00 2001 From: Richard Qin Date: Tue, 14 Apr 2026 22:47:15 +0800 Subject: feat: implement FDT-based memory discovery and add comprehensive debug logging to exec syscalls --- src/kernel/trap/handler.cc | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) (limited to 'src/kernel/trap') diff --git a/src/kernel/trap/handler.cc b/src/kernel/trap/handler.cc index 11af409..b7bd5f0 100644 --- a/src/kernel/trap/handler.cc +++ b/src/kernel/trap/handler.cc @@ -11,6 +11,7 @@ #include "kernel/timer.h" #include "drivers/plic.h" #include "drivers/virtio.h" +#include "kernel/fdt.h" #include "lib/string.h" @@ -66,17 +67,23 @@ namespace Trap // Supervisor External Interrupt (IRQ 9) int irq = PLIC::claim(); - if (irq == 10) + if (irq == (int)g_devices.uart.irq) { Drivers::uart_intr(); - // Debug - // Drivers::uart_puts("[Interrupt] UART Input detected!\n"); } - else if (irq >= 1 && irq <= 8) + else { - VirtIO::intr(); - // Debug - // Drivers::uart_puts("[Interrupt] VirtIO disk finished!\n"); + // Check if it's a VirtIO IRQ + bool handled = false; + for (int i = 0; i < g_devices.virtio_count; i++) + { + if (irq == (int)g_devices.virtio[i].irq) + { + VirtIO::intr(); + handled = true; + break; + } + } } if (irq > 0) -- cgit v1.2.3