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/*
ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio.
This file is part of ChibiOS.
ChibiOS 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 3 of the License, or
(at your option) any later version.
ChibiOS 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file e200/compilers/GCC/chcoreasm.s
* @brief Power Architecture port low level code.
*
* @addtogroup PPC_GCC_CORE
* @{
*/
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
#if !defined(FALSE) || defined(__DOXYGEN__)
#define FALSE 0
#endif
#if !defined(TRUE) || defined(__DOXYGEN__)
#define TRUE 1
#endif
/*===========================================================================*/
/* Code section. */
/*===========================================================================*/
/*
* Imports the PPC configuration headers.
*/
#define _FROM_ASM_
#include "chconf.h"
#include "chcore.h"
#if !defined(__DOXYGEN__)
#if PPC_USE_VLE == TRUE
.section .text_vle, "ax"
.align 2
.globl _port_switch
.type _port_switch, @function
_port_switch:
e_subi r1, r1, 80
se_mflr r0
e_stw r0, 84(r1)
mfcr r0
se_stw r0, 0(r1)
e_stmw r14, 4(r1)
se_stw r1, 12(r4)
se_lwz r1, 12(r3)
e_lmw r14, 4(r1)
se_lwz r0, 0(r1)
mtcr r0
e_lwz r0, 84(r1)
se_mtlr r0
e_addi r1, r1, 80
se_blr
.align 2
.globl _port_thread_start
.type _port_thread_start, @function
_port_thread_start:
#if CH_DBG_SYSTEM_STATE_CHECK
bl _dbg_check_unlock
#endif
#if CH_DBG_STATISTICS
bl _stats_stop_measure_crit_thd
#endif
wrteei 1
mr r3, r31
mtctr r30
se_bctrl
se_li r0, 0
e_bl chThdExit
#else /* PPC_USE_VLE == FALSE */
#error "non-VLE mode not yet implemented"
#endif /* PPC_USE_VLE == FALSE */
#endif /* !defined(__DOXYGEN__) */
/** @} */
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