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;--------------------------------------------------------------------------
; crtxstack.asm - C run-time: setup xstack
;
; Copyright (C) 2004, Erik Petrich
;
; This library is free software; you can redistribute it and/or modify it
; under the terms of the GNU General Public License as published by the
; Free Software Foundation; either version 2, or (at your option) any
; later version.
;
; This library is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this library; see the file COPYING. If not, write to the
; Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
; MA 02110-1301, USA.
;
; As a special exception, if you link this library with other files,
; some of which are compiled with SDCC, to produce an executable,
; this library does not by itself cause the resulting executable to
; be covered by the GNU General Public License. This exception does
; not however invalidate any other reasons why the executable file
; might be covered by the GNU General Public License.
;--------------------------------------------------------------------------
.area CSEG (CODE)
.area GSINIT0 (CODE)
.area GSINIT1 (CODE)
.area GSINIT2 (CODE)
.area GSINIT3 (CODE)
.area GSINIT4 (CODE)
.area GSINIT5 (CODE)
.area GSINIT (CODE)
.area GSFINAL (CODE)
.globl __start__xstack
.globl __XPAGE
.area GSINIT1 (CODE)
__sdcc_init_xstack::
; Need to initialize in GSINIT1 in case the user's __sdcc_external_startup
; uses the xstack.
mov __XPAGE,#(__start__xstack >> 8)
mov _spx,#__start__xstack
.area GSINIT5 (CODE)
; Need to initialize in GSINIT5 because __mcs51_genXINIT modifies __XPAGE
; and __mcs51_genRAMCLEAR modifies _spx.
mov __XPAGE,#(__start__xstack >> 8)
mov _spx,#__start__xstack
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