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#include "./prelude/kernel_prelude.hats"
staload "kernel/interrupts/idt.sats"
staload BOOT = "kernel/bootinfo/multiboot.sats"
staload FRAME = "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() : void = let
fun loop(i : int) : void = if (i < 160) then( let val _ = $FRAME.allocate_frame() 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 () = $BOOT.init(p);
val (kernel_start,kernel_end) = $BOOT.get_kernel_ranges()
val (multiboot_start,multiboot_end) = $BOOT.get_multiboot_ranges()
val () = $FRAME.init(kernel_start,kernel_end,multiboot_start,multiboot_end);
in
$BOOT.print_memory_mappings();
$BOOT.print_elf_headers();
println!("Kernel Size: ", kernel_size(kernel_start,kernel_end));
test();
let
val frame = $FRAME.allocate_frame()
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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