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#include "./prelude/kernel_prelude.hats"
staload "kernel/interrupts/idt.sats"
staload BOOT = "kernel/bootinfo/multiboot.sats"
staload "kernel/memory/frame.sats"
staload "lib/SATS/writer.sats"
%{^
void breakpoint(){
__asm__("int3");
}
%}
//NOTE: how to make sure ats checks 2 contstraints in one if statement?
//TODO: put in seperate utils module (just generic size function)
(* fn kernel_size(kernel_start : Ptr, kernel_end : Ptr) : size_t = let *)
(* extern castfn Ptr12size (a : Ptr1): size_t *)
(* in *)
(* if (kernel_end > the_null_ptr) then *)
(* if (kernel_start > the_null_ptr) then *)
(* Ptr12size(kernel_end) - Ptr12size(kernel_start) *)
(* else *)
(* i2sz(0) *)
(* else *)
(* i2sz(0) *)
(* end *)
(* fn test(allocptr : !allocptr, bootptr : !bootptr) : void = let *)
(* fun loop(i : int) : void = if (i < 160) then( let val _ = allocate_frame(allocptr.0, bootptr.0 | allocptr.2, bootptr.2) in end; loop(succ(i))) *)
(* in *)
(* loop(0) *)
(* end *)
extern fun breakpoint() :void = "mac#"
extern fun entry(p : Ptr1) : void = "ext#"
implement entry(p) = let
(* val (kernel_start,kernel_end) = get_kernel_ranges(bootptr) *)
(* val (multiboot_start,multiboot_end) = get_multiboot_ranges(bootptr) *)
(* val allocptr = frame_allocator_init(kernel_start,kernel_end,multiboot_start,multiboot_end,bootptr) *)
in
// Initialize boot info struct
$BOOT.init(p);
clear_screen();
$BOOT.print_memory_mappings();
(* print_elf_headers(bootptr); *)
(* println!("Kernel Size: ", kernel_size(kernel_start,kernel_end)); *)
(* test(allocptr,bootptr); *)
(* let *)
(* val frame = allocate_frame(allocptr.0, bootptr.0 | allocptr.2, bootptr.2) *)
(* in *)
(* println!(frame.num) *)
(* end; *)
// Initialize interrupt table
idt_init();
// Throws breakpoint exception
breakpoint();
println!("End");
end
// Satisfy ats compiler. Should be called once to dynload files
implement main(argv,argc) = 0
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