diff options
Diffstat (limited to 'os/rt/ports/ARMCMx/compilers/RVCT/chcoreasm_v7m.s')
| -rw-r--r-- | os/rt/ports/ARMCMx/compilers/RVCT/chcoreasm_v7m.s | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/os/rt/ports/ARMCMx/compilers/RVCT/chcoreasm_v7m.s b/os/rt/ports/ARMCMx/compilers/RVCT/chcoreasm_v7m.s deleted file mode 100644 index 69bfaa59c..000000000 --- a/os/rt/ports/ARMCMx/compilers/RVCT/chcoreasm_v7m.s +++ /dev/null @@ -1,148 +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/RVCT/chcoreasm_v7m.s
- * @brief ARMv7-M architecture port low level code.
- *
- * @addtogroup ARMCMx_RVCT_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__)
-
-CONTEXT_OFFSET EQU 12
-SCB_ICSR EQU 0xE000ED04
-ICSR_PENDSVSET EQU 0x10000000
-
- PRESERVE8
- THUMB
- AREA |.text|, CODE, READONLY
-
- IMPORT chThdExit
- IMPORT chSchDoReschedule
-#if CH_DBG_STATISTICS
- IMPORT _stats_start_measure_crit_thd
- IMPORT _stats_stop_measure_crit_thd
-#endif
-#if CH_DBG_SYSTEM_STATE_CHECK
- IMPORT _dbg_check_unlock
- IMPORT _dbg_check_lock
-#endif
-
-/*
- * Performs a context switch between two threads.
- */
- EXPORT _port_switch
-_port_switch PROC
- push {r4, r5, r6, r7, r8, r9, r10, r11, lr}
-#if CORTEX_USE_FPU
- vpush {s16-s31}
-#endif
-
- str sp, [r1, #CONTEXT_OFFSET]
-#if (CORTEX_SIMPLIFIED_PRIORITY == FALSE) && \
- ((CORTEX_MODEL == 3) || (CORTEX_MODEL == 4))
- /* Workaround for ARM errata 752419, only applied if
- condition exists for it to be triggered.*/
- ldr r3, [r0, #CONTEXT_OFFSET]
- mov sp, r3
-#else
- ldr sp, [r0, #CONTEXT_OFFSET]
-#endif
-
-#if CORTEX_USE_FPU
- vpop {s16-s31}
-#endif
- pop {r4, r5, r6, r7, r8, r9, r10, r11, pc}
- ENDP
-
-/*
- * Start a thread by invoking its work function.
- * If the work function returns @p chThdExit() is automatically invoked.
- */
- EXPORT _port_thread_start
-_port_thread_start PROC
-#if CH_DBG_SYSTEM_STATE_CHECK
- bl _dbg_check_unlock
-#endif
-#if CH_DBG_STATISTICS
- bl _stats_stop_measure_crit_thd
-#endif
-#if CORTEX_SIMPLIFIED_PRIORITY
- cpsie i
-#else
- movs r3, #0 /* CORTEX_BASEPRI_DISABLED */
- msr BASEPRI, r3
-#endif
- mov r0, r5
- blx r4
- bl chThdExit
- ENDP
-
-/*
- * Post-IRQ switch code.
- * Exception handlers return here for context switching.
- */
- EXPORT _port_switch_from_isr
- EXPORT _port_exit_from_isr
-_port_switch_from_isr PROC
-#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
-_port_exit_from_isr
-#if CORTEX_SIMPLIFIED_PRIORITY
- mov r3, #SCB_ICSR :AND: 0xFFFF
- movt r3, #SCB_ICSR :SHR: 16
- mov r2, #ICSR_PENDSVSET
- str r2, [r3, #0]
- cpsie i
-#else
- svc #0
-#endif
-waithere b waithere
- ENDP
-
- END
-
-#endif /* !defined(__DOXYGEN__) */
-
-/** @} */
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