1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/src/arch/i686/asm.c b/kernel/src/arch/i686/asm.c
new file mode 100644
index 0000000..8ed00d0
--- /dev/null
+++ b/kernel/src/arch/i686/asm.c
@@ -0,0 +1,51 @@
+#include <arch/i686/asm.h>
+
+uint8_t inb(uint16_t port) {
+	uint8_t ret;
+	__asm__ volatile ("inb %1, %0" : "=a"(ret) : "Nd"(port));
+	return ret;
+}
+
+void outb(uint16_t port, uint8_t val) {
+	__asm__ volatile ("outb %0, %1" : : "a"(val), "Nd"(port));
+}
+
+uint16_t inw(uint16_t port) {
+	uint16_t ret;
+	__asm__ volatile ("inw %1, %0" : "=a"(ret) : "Nd"(port));
+	return ret;
+}
+
+void outw(uint16_t port, uint16_t val) {
+	__asm__ volatile ("outw %0, %1" : : "a"(val), "Nd"(port));
+}
+
+uint32_t inl(uint16_t port) {
+	uint32_t ret;
+	__asm__ volatile ("inl %1, %0" : "=a"(ret) : "Nd"(port));
+	return ret;
+}
+
+void outl(uint16_t port, uint32_t val) {
+	__asm__ volatile ("outl %0, %1" : : "a"(val), "Nd"(port));
+}
+
+void io_wait(void) {
+	outb(0x80, 0);
+}
+
+void int_enable(void) {
+	__asm__ volatile ("sti");
+}
+
+void int_disable(void) {
+	__asm__ volatile ("cli");
+}
+
+void int_wait(void) {
+	__asm__ volatile ("sti; hlt");
+}
+
+void halt(void) {
+	__asm__ volatile ("cli; hlt");
+}