diff options
Diffstat (limited to 'core/idle.inc')
| -rw-r--r-- | core/idle.inc | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/core/idle.inc b/core/idle.inc index c2ce1348..67a5c3ed 100644 --- a/core/idle.inc +++ b/core/idle.inc @@ -19,6 +19,7 @@ reset_idle: mov ax,[cs:BIOS_timer] mov [cs:IdleTimer],ax pop ax + sti ; Guard against BIOS/PXE brokenness... ret do_idle: @@ -28,6 +29,31 @@ do_idle: mov ax,cs mov ds,ax mov es,ax + pushf + pop ax + test ah,2 + jnz .ok + push si + push cx + mov si,hlt_err + call writestr + mov si,sp + add si,10 + mov cx,16 +.errloop: + ss lodsw + call writehex4 + dec cx + jz .endloop + mov al,' ' + call writechr + jmp .errloop +.endloop: + call crlf + pop cx + pop si + sti +.ok: mov ax,[BIOS_timer] sub ax,[IdleTimer] cmp ax,TICKS_TO_IDLE @@ -43,8 +69,10 @@ do_idle: .ret: ret section .data -NoHalt dw 0 IdleHook dw do_idle.ret +NoHalt dw 1 + +hlt_err db 'ERROR: idle with IF=0', CR, LF, 0 section .bss IdleTimer resw 1 |