separate the source code from object files; more modular Makefile

3 files changed, 0 insertions, 87 deletions

diff --git a/platform/asm.h b/platform/asm.h
deleted file mode 100644
index 6f72617..0000000
--- a/platform/asm.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#pragma once
-
-// boot.s
-__attribute__((noreturn))
-void halt_cpu();
-
-// sysenter.c
-void sysexit(void (*fun)(), void *stack_top);
-void sysenter_setup();
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
diff --git a/platform/sysenter.s b/platform/sysenter.s
deleted file mode 100644
index 270dc08..0000000
--- a/platform/sysenter.s
+++ /dev/null
@@ -1,31 +0,0 @@
-/* kernel/gdt.c */
-.set SEG_r0code, 1
-.set SEG_r3code, 3
-.set SEG_r3data, 4
-
-.set IA32_SYSENTER_CS, 0x174
-
-.section .text
-.global sysexit
-.type sysexit, @function
-sysexit:
-	pop %ecx
-	pop %edx
-
-	mov $(SEG_r3data << 3 | 3), %ax
-	mov %ax, %ds
-	mov %ax, %es
-	mov %ax, %fs
-	mov %ax, %gs
-
-	sysexit
-
-
-.global sysenter_setup
-.type sysenter_setup, @function
-sysenter_setup:
-	xor %edx, %edx
-	mov $(SEG_r0code << 3), %eax
-	mov $IA32_SYSENTER_CS, %ecx
-	wrmsr
-	ret