diff options
Diffstat (limited to 'os/rt/ports/ARMCMx/compilers/GCC/chcoreasm_v6m.s')
| -rw-r--r-- | os/rt/ports/ARMCMx/compilers/GCC/chcoreasm_v6m.s | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/os/rt/ports/ARMCMx/compilers/GCC/chcoreasm_v6m.s b/os/rt/ports/ARMCMx/compilers/GCC/chcoreasm_v6m.s deleted file mode 100644 index 31d2a5f63..000000000 --- a/os/rt/ports/ARMCMx/compilers/GCC/chcoreasm_v6m.s +++ /dev/null @@ -1,142 +0,0 @@ -/*
- 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 compilers/GCC/chcoreasm_v6m.s
- * @brief ARMv6-M architecture port low level code.
- *
- * @addtogroup ARMCMx_GCC_CORE
- * @{
- */
-
-#if !defined(FALSE) || defined(__DOXYGEN__)
-#define FALSE 0
-#endif
-
-#if !defined(TRUE) || defined(__DOXYGEN__)
-#define TRUE 1
-#endif
-
-#define _FROM_ASM_
-#include "chconf.h"
-#include "chcore.h"
-
-#if !defined(__DOXYGEN__)
-
- .set CONTEXT_OFFSET, 12
- .set SCB_ICSR, 0xE000ED04
- .set ICSR_PENDSVSET, 0x10000000
- .set ICSR_NMIPENDSET, 0x80000000
-
- .cpu cortex-m0
- .fpu softvfp
-
- .thumb
- .text
-
-/*--------------------------------------------------------------------------*
- * Performs a context switch between two threads.
- *--------------------------------------------------------------------------*/
- .thumb_func
- .globl _port_switch
-_port_switch:
- push {r4, r5, r6, r7, lr}
- mov r4, r8
- mov r5, r9
- mov r6, r10
- mov r7, r11
- push {r4, r5, r6, r7}
-
- mov r3, sp
- str r3, [r1, #CONTEXT_OFFSET]
- ldr r3, [r0, #CONTEXT_OFFSET]
- mov sp, r3
-
- pop {r4, r5, r6, r7}
- mov r8, r4
- mov r9, r5
- mov r10, r6
- mov r11, r7
- pop {r4, r5, r6, r7, pc}
-
-/*--------------------------------------------------------------------------*
- * Start a thread by invoking its work function.
- *
- * Threads execution starts here, the code leaves the system critical zone
- * and then jumps into the thread function passed in register R4. The
- * register R5 contains the thread parameter. The function chThdExit() is
- * called on thread function return.
- *--------------------------------------------------------------------------*/
- .thumb_func
- .globl _port_thread_start
-_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
- cpsie i
- mov r0, r5
- blx r4
- movs r0, #0 /* MSG_OK */
- bl chThdExit
-
-/*--------------------------------------------------------------------------*
- * Post-IRQ switch code.
- *
- * Exception handlers return here for context switching.
- *--------------------------------------------------------------------------*/
- .thumb_func
- .globl _port_switch_from_isr
-_port_switch_from_isr:
-#if CH_DBG_STATISTICS
- bl _stats_start_measure_crit_thd
-#endif
-#if CH_DBG_SYSTEM_STATE_CHECK
- bl _dbg_check_lock
-#endif
- bl chSchDoReschedule
-#if CH_DBG_SYSTEM_STATE_CHECK
- bl _dbg_check_unlock
-#endif
-#if CH_DBG_STATISTICS
- bl _stats_stop_measure_crit_thd
-#endif
- .globl _port_exit_from_isr
-_port_exit_from_isr:
- ldr r2, .L2
- ldr r3, .L3
- str r3, [r2, #0]
-#if CORTEX_ALTERNATE_SWITCH
- cpsie i
-#endif
-.L1: b .L1
-
- .align 2
-.L2: .word SCB_ICSR
-#if CORTEX_ALTERNATE_SWITCH
-.L3: .word ICSR_PENDSVSET
-#else
-.L3: .word ICSR_NMIPENDSET
-#endif
-
-#endif /* !defined(__DOXYGEN__) */
-
-/** @} */
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