🎉 simple allocator init in the code

2025-09-05 16:48:24 -04:00
parent cd316afdd1
commit b0bd4b27b0
2 changed files with 5 additions and 2 deletions
--- a/include/util/arena_alloc.nasm
+++ b/include/util/arena_alloc.nasm
@@ -18,12 +18,13 @@ arena_init:
    mov di, ax

    xor eax, eax
-    mov word [di + ArenaStateStruc_t.mark], eax
+    mov word [di + ArenaStateStruc_t.mark], ax
    mov word [di + ArenaStateStruc_t.end], word (__ARENA_HEAP_START + __ARENA_HEAP_SIZE)
    mov word [di + ArenaStateStruc_t.start], __ARENA_HEAP_START

    ; zero out heap area on init
    ; void* kmemset_byte(void* dst, uint8_t val, uint16_t len);
+    ; TODO: use word or qword spacing at least to speed this up
    mov ax, __ARENA_HEAP_SIZE
    push ax                     ; len
    xor ax, ax