Karina
36 lines
727 B
Rust
36 lines
727 B
Rust
#![no_std]
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extern crate alloc;
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use core::panic::PanicInfo;
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use core::alloc::{GlobalAlloc, Layout};
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unsafe extern "C" {
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fn MemoryAllocate(size: usize) -> *mut u8;
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fn MemoryFree(ptr: *mut u8);
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fn ConsolePrintString(s: *const u8);
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}
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struct TermosAllocator;
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unsafe impl GlobalAlloc for TermosAllocator {
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unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
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MemoryAllocate(layout.size())
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}
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unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {
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MemoryFree(ptr);
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}
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}
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#[global_allocator]
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static ALLOCATOR: TermosAllocator = TermosAllocator;
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#[panic_handler]
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fn panic(_info: &PanicInfo) -> ! {
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loop {}
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}
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pub unsafe fn print_str(s: &str) {
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ConsolePrintString(s.as_ptr());
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} |