From 88928325f6e694fff77bbb7ad78ea6c09dfecde6 Mon Sep 17 00:00:00 2001 From: Giovanni Di Sirio Date: Wed, 18 Nov 2015 10:24:08 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8508 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/rt/ports/e200/compilers/CW/chcoreasm.s | 103 ++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 os/rt/ports/e200/compilers/CW/chcoreasm.s (limited to 'os/rt/ports/e200/compilers/CW/chcoreasm.s') diff --git a/os/rt/ports/e200/compilers/CW/chcoreasm.s b/os/rt/ports/e200/compilers/CW/chcoreasm.s new file mode 100644 index 000000000..69ab222fa --- /dev/null +++ b/os/rt/ports/e200/compilers/CW/chcoreasm.s @@ -0,0 +1,103 @@ +/* + 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 . +*/ + +/** + * @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__) */ + +/** @} */ -- cgit v1.2.3