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/*
ChibiOS - Copyright (C) 2006..2016 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. */
/*===========================================================================*/
#define _FROM_ASM_
#include "chlicense.h"
#include "chconf.h"
#include "chcore.h"
#if !defined(__DOXYGEN__)
/*
* RTOS-specific context offset.
*/
#if defined(_CHIBIOS_RT_CONF_)
#define CONTEXT_OFFSET 12
#elif defined(_CHIBIOS_NIL_CONF_)
#define CONTEXT_OFFSET 0
#else
#error "invalid chconf.h"
#endif
#if PPC_USE_VLE == TRUE
.section .text_vle, "ax"
#else
.section .text, "ax"
#endif
.align 2
.globl _port_switch
.type _port_switch, @function
_port_switch:
subi %sp, %sp, 80
mflr %r0
stw %r0, 84(%sp)
mfcr %r0
stw %r0, 0(%sp)
stmw %r14, 4(%sp)
stw %sp, 12(%r4)
lwz %sp, 12(%r3)
lmw %r14, 4(%sp)
lwz %r0, 0(%sp)
mtcr %r0
lwz %r0, 84(%sp)
mtlr %r0
addi %sp, %sp, 80
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
bctrl
#if defined(_CHIBIOS_RT_CONF_)
li %r0, 0
bl chThdExit
#endif
#if defined(_CHIBIOS_NIL_CONF_)
se_li %r0, 0
e_bl chSysHalt
#endif
#endif /* !defined(__DOXYGEN__) */
/** @} */
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