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#include "./prelude/kernel_prelude.hats"
staload "kernel/interrupts/idt.sats"
staload "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 () = clear_screen()
// Initialize boot info struct
val bootptr = boot_info_init(p)
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
print_memory_mappings(bootptr);
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");
let
prval () = bootptr.1(bootptr.0)
prval () = allocptr.1(allocptr.0)
in end
end
// Satisfy ats compiler. Should be called once to dynload files
implement main(argv,argc) = 0
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