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authordzwdz2021-07-10 16:37:45 +0200
committerdzwdz2021-07-10 16:37:45 +0200
commitd093a8eea6bfb0ff7e621e9ba3307dae698322aa (patch)
tree08a5272e2813cf8db8feda4ff91d919cb9ad7330 /platform/boot.s
parent1faac72e2514c335e2d5721dce8c9fd1da722062 (diff)
separate the source code from object files; more modular Makefile
Diffstat (limited to 'platform/boot.s')
-rw-r--r--platform/boot.s47
1 files changed, 0 insertions, 47 deletions
diff --git a/platform/boot.s b/platform/boot.s
deleted file mode 100644
index d5bfda5..0000000
--- a/platform/boot.s
+++ /dev/null
@@ -1,47 +0,0 @@
-.set MAGIC, 0x1BADB002
-.set FLAG_ALIGN, 1<<0 /* align modules on page boundaries */
-.set FLAG_MEMINFO, 1<<1 /* memory map */
-.set FLAGS, FLAG_ALIGN | FLAG_MEMINFO
-.set CHECKSUM, -(MAGIC + FLAGS)
-
-.section .multiboot
-.align 4
-.long MAGIC
-.long FLAGS
-.long CHECKSUM
-
-/* a lil stack */
-.section .bss
-.global stack_top
-.type stack_top, @object
-.align 16
-stack_bottom:
-.skip 16384
-stack_top:
-
-
-.section .text
-.global _start
-.type _start, @function
-_start:
- mov $stack_top, %esp
- call kmain
-
-.global halt_cpu
-.type halt_cpu, @function
-halt_cpu:
- cli
-1: hlt
- jmp 1b
-
-// temporary, will be moved to another file soon
-.global change_cs
-.type change_cs, @function
-change_cs:
- /* retf pops off the return address and code segment off the stack.
- * it turns out that in the i386 cdecl calling convention they're in
- * the correct place already.
- */
- retf
-
-.size _start, . - _start