fix: strhp should do brk system call

diff --git a/mach/i86/libem/strhp.s b/mach/i86/libem/strhp.s
index 4e89c63..601f467 100644 (file)
--- a/mach/i86/libem/strhp.s
+++ b/mach/i86/libem/strhp.s
@@ -12,8 +12,10 @@
        add     ax,02000
        and     ax,~0777
        mov     (.limhp),ax
-       cmp     ax,sp
-       jae     2f
+       push    ax
+       call    _brk
+       or      ax,ax
+       jne     2f
 1:
        jmp     bx
 2: