Record networking and DMA development progress

Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
2026-07-02 16:17:09 +08:00
parent fbc14631e3
commit f1a2a110d7
182 changed files with 16472 additions and 0 deletions
@@ -0,0 +1,14 @@
+#ifndef DSK_PORT_H
+#define DSK_PORT_H
+
+static inline void outb(unsigned short port, unsigned char value) {
+    __asm__ volatile ("outb %0, %1" :: "a"(value), "Nd"(port));
+}
+
+static inline unsigned char inb(unsigned short port) {
+    unsigned char value;
+    __asm__ volatile ("inb %1, %0" : "=a"(value) : "Nd"(port));
+    return value;
+}
+
+#endif