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0bot
2010 Nov 26
1
[PATCH] new *br: Show handoff data
...#else /* DEBUG_LOADE */
.macro LOADE r:req, t:req
popw %\t
.endm
#endif /* DEBUG_LOADE */
.code16
.text
entry = 0x7c00
stack = (entry)
e0_ax = (stack-2)
e0_cx = (stack-4)
e0_dx = (stack-6)
e0_bx = (stack-8)
e0_sp = (stack-10)
e0_bp = (stack-12)
e0_si = (stack-14)
e0_di = (stack-16)
e0_bot = (stack-16)
e_di = (e0_bot-2) /* Original register values from entry point */
e_es = (e0_bot-4)
e_si = (e0_bot-6)
e_ds = (e0_bot-8)
BIOS_page = 0x462
.globl _start
_start:
cli
xorw %ax, %ax
movw %ax, %ss
movw $stack, %sp
pushaw
pushw %di /* es:di -> $PnP header */
pushw %es
pus...