From 138424b31d9c2af158e8ae619248b035b5a280d9 Mon Sep 17 00:00:00 2001 From: Nic Gaffney Date: Thu, 21 Dec 2023 03:32:06 -0600 Subject: set up bochs for debugging and started working on interrupts. --- src/include/asm.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 src/include/asm.h (limited to 'src/include/asm.h') diff --git a/src/include/asm.h b/src/include/asm.h new file mode 100644 index 0000000..97ea45a --- /dev/null +++ b/src/include/asm.h @@ -0,0 +1,15 @@ +#pragma once +#include + +// IO +static inline void outb(uint16_t port, uint8_t val) { + asm volatile("outb %0, %1" : : "a"(val), "Nd"(port) : "memory"); +} + +static inline uint8_t inb(uint16_t port) { + uint8_t ret; + asm volatile("inb %1, %0" : "=a"(ret) : "Nd"(port) : "memory"); + return ret; +} + +static inline void io_wait(void) { outb(0x80, 0); } -- cgit v1.2.3