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 +1,21 @@
+.section .text
+.global _start
+.type _start, @function
+_start:
+    cli
+    cld
+    lea kernel_stack_top(%rip), %rsp
+    andq $-16, %rsp
+    call kernel_main
+.hang:
+    cli
+    hlt
+    jmp .hang
+
+.section .bss
+.align 16
+.global kernel_stack
+.global kernel_stack_top
+kernel_stack:
+    .skip 16384
+kernel_stack_top: