andreika-git
/
ChibiOS
mirror of https://github.com/andreika-git/ChibiOS.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@13751 27425a3e-05d8-49a3-a47f-9c15f0e5edd8

This commit is contained in:
Giovanni Di Sirio 2020-07-12 18:45:36 +00:00
parent bb83e90bd0
commit 86f5432717
12 changed files with 1235 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
os/common/ports/ARMv6-M/chcore.c Normal file
View File

@ -0,0 +1,54 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMCMx/chcore.c
* @brief ARM Cortex-Mx port code.
*
* @addtogroup ARMCMx_CORE
* @{
*/
#include "ch.h"
/*===========================================================================*/
/* Module local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Module exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local types. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Module exported functions. */
/*===========================================================================*/
/** @} */

211
os/common/ports/ARMv6-M/chcore.h Normal file
View File

@ -0,0 +1,211 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMCMx/chcore.h
* @brief ARM Cortex-Mx port macros and structures.
*
* @addtogroup ARMCMx_CORE
* @{
*/
#ifndef CHCORE_H
#define CHCORE_H
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
/**
* @name Architecture and Compiler
* @{
*/
/**
* @brief Macro defining a generic ARM architecture.
*/
#define PORT_ARCHITECTURE_ARM
/* The following code is not processed when the file is included from an
asm module because those intrinsic macros are not necessarily defined
by the assembler too.*/
#if !defined(_FROM_ASM_)
/**
* @brief Compiler name and version.
*/
#if defined(__GNUC__) || defined(__DOXYGEN__)
#define PORT_COMPILER_NAME "GCC " __VERSION__
#elif defined(__ICCARM__)
#define PORT_COMPILER_NAME "IAR"
#elif defined(__CC_ARM)
#define PORT_COMPILER_NAME "RVCT"
#else
#error "unsupported compiler"
#endif
#endif /* !defined(_FROM_ASM_) */
/** @} */
/* Inclusion of the Cortex-Mx implementation specific parameters.*/
#include "cmparams.h"
/*===========================================================================*/
/* Module pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Enables an alternative timer implementation.
* @details Usually the port uses a timer interface defined in the file
* @p chcore_timer.h, if this option is enabled then the file
* @p chcore_timer_alt.h is included instead.
*/
#if !defined(PORT_USE_ALT_TIMER)
#define PORT_USE_ALT_TIMER FALSE
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/
/* The following code is not processed when the file is included from an
asm module.*/
#if !defined(_FROM_ASM_)
/**
* @brief Type of stack and memory alignment enforcement.
* @note In this architecture the stack alignment is enforced to 64 bits,
* 32 bits alignment is supported by hardware but deprecated by ARM,
* the implementation choice is to not offer the option.
*/
typedef uint64_t stkalign_t;
/* The following declarations are there just for Doxygen documentation, the
real declarations are inside the sub-headers being specific for the
sub-architectures.*/
#if defined(__DOXYGEN__)
/**
* @brief Interrupt saved context.
* @details This structure represents the stack frame saved during a
* preemption-capable interrupt handler.
* @note It is implemented to match the Cortex-Mx exception context.
*/
struct port_extctx {};
/**
* @brief System saved context.
* @details This structure represents the inner stack frame during a context
* switch.
*/
struct port_intctx {};
/**
* @brief Platform dependent part of the @p thread_t structure.
* @details In this port the structure just holds a pointer to the
* @p port_intctx structure representing the stack pointer
* at context switch time.
*/
struct port_context {};
#endif /* defined(__DOXYGEN__) */
#endif /* !defined(_FROM_ASM_) */
/*===========================================================================*/
/* Module macros. */
/*===========================================================================*/
/**
* @brief Total priority levels.
*/
#define CORTEX_PRIORITY_LEVELS (1U << CORTEX_PRIORITY_BITS)
/**
* @brief Minimum priority level.
* @details This minimum priority level is calculated from the number of
* priority bits supported by the specific Cortex-Mx implementation.
*/
#define CORTEX_MINIMUM_PRIORITY (CORTEX_PRIORITY_LEVELS - 1)
/**
* @brief Maximum priority level.
* @details The maximum allowed priority level is always zero.
*/
#define CORTEX_MAXIMUM_PRIORITY 0U
/**
* @brief Priority level to priority mask conversion macro.
*/
#define CORTEX_PRIO_MASK(n) \
((n) << (8U - (unsigned)CORTEX_PRIORITY_BITS))
/**
* @brief Priority level verification macro.
*/
#define PORT_IRQ_IS_VALID_PRIORITY(n) \
(((n) >= 0U) && ((n) < CORTEX_PRIORITY_LEVELS))
/**
* @brief Priority level verification macro.
*/
#define PORT_IRQ_IS_VALID_KERNEL_PRIORITY(n) \
(((n) >= CORTEX_MAX_KERNEL_PRIORITY) && ((n) < CORTEX_PRIORITY_LEVELS))
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
/*===========================================================================*/
/* Module inline functions. */
/*===========================================================================*/
/* Includes the sub-architecture-specific part.*/
#if (CORTEX_MODEL == 0) || (CORTEX_MODEL == 1)
#include "chcore_v6m.h"
#elif (CORTEX_MODEL == 3) || (CORTEX_MODEL == 4) || (CORTEX_MODEL == 7)
#include "mpu.h"
#include "chcore_v7m.h"
#elif (CORTEX_MODEL == 33) || (CORTEX_MODEL == 55)
#include "mpu_v8m.h"
#include "chcore_v8m-ml.h"
#else
#error "unknown Cortex-M variant"
#endif
#if !defined(_FROM_ASM_)
#if CH_CFG_ST_TIMEDELTA > 0
#if PORT_USE_ALT_TIMER == FALSE
#include "chcore_timer.h"
#else /* PORT_USE_ALT_TIMER != FALSE */
#include "chcore_timer_alt.h"
#endif /* PORT_USE_ALT_TIMER != FALSE */
#endif /* CH_CFG_ST_TIMEDELTA > 0 */
#endif /* !defined(_FROM_ASM_) */
#endif /* CHCORE_H */
/** @} */

133
os/common/ports/ARMv6-M/chcore_timer.h Normal file
View File

@ -0,0 +1,133 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 chcore_timer.h
* @brief System timer header file.
*
* @addtogroup ARMCMx_TIMER
* @{
*/
#ifndef CHCORE_TIMER_H
#define CHCORE_TIMER_H
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Module pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Module macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void stStartAlarm(systime_t time);
void stStopAlarm(void);
void stSetAlarm(systime_t time);
systime_t stGetCounter(void);
systime_t stGetAlarm(void);
#ifdef __cplusplus
}
#endif
/*===========================================================================*/
/* Module inline functions. */
/*===========================================================================*/
/**
* @brief Starts the alarm.
* @note Makes sure that no spurious alarms are triggered after
* this call.
*
* @param[in] time the time to be set for the first alarm
*
* @notapi
*/
static inline void port_timer_start_alarm(systime_t time) {
stStartAlarm(time);
}
/**
* @brief Stops the alarm interrupt.
*
* @notapi
*/
static inline void port_timer_stop_alarm(void) {
stStopAlarm();
}
/**
* @brief Sets the alarm time.
*
* @param[in] time the time to be set for the next alarm
*
* @notapi
*/
static inline void port_timer_set_alarm(systime_t time) {
stSetAlarm(time);
}
/**
* @brief Returns the system time.
*
* @return The system time.
*
* @notapi
*/
static inline systime_t port_timer_get_time(void) {
return stGetCounter();
}
/**
* @brief Returns the current alarm time.
*
* @return The currently set alarm time.
*
* @notapi
*/
static inline systime_t port_timer_get_alarm(void) {
return stGetAlarm();
}
#endif /* CHCORE_TIMER_H */
/** @} */

163
os/common/ports/ARMv6-M/compilers/GCC/chcoreasm.S Normal file
View File

@ -0,0 +1,163 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMv6-M/compilers/GCC/chcoreasm.S
* @brief ARMv6-M port low level code.
*
* @addtogroup ARMv6_M_GCC_CORE
* @{
*/
#if !defined(FALSE) || defined(__DOXYGEN__)
#define FALSE 0
#endif
#if !defined(TRUE) || defined(__DOXYGEN__)
#define TRUE 1
#endif
#define _FROM_ASM_
#include "chlicense.h"
#include "chconf.h"
#include "chcore.h"
#if !defined(__DOXYGEN__)
/*
* RTOS-specific context offset.
*/
#if defined(_CHIBIOS_RT_CONF_)
#if CH_CFG_USE_REGISTRY
#define CURRENT_OFFSET 20 /* ch.rlist.current */
#define CONTEXT_OFFSET 20
#else
#define CURRENT_OFFSET 12
#define CONTEXT_OFFSET 12
#endif
#elif defined(_CHIBIOS_NIL_CONF_)
#define CURRENT_OFFSET 0 /* nil.current */
#define CONTEXT_OFFSET 0
#else
#error "invalid chconf.h"
#endif
.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
_zombies: b _zombies
/*--------------------------------------------------------------------------*
* 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__) */
/** @} */

97
os/common/ports/ARMv6-M/compilers/GCC/chtypes.h Normal file
View File

@ -0,0 +1,97 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMCMx/compilers/GCC/chtypes.h
* @brief ARM Cortex-Mx port system types.
*
* @addtogroup ARMCMx_GCC_CORE
* @{
*/
#ifndef CHTYPES_H
#define CHTYPES_H
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
/**
* @name Kernel types
* @{
*/
typedef uint32_t rtcnt_t; /**< Realtime counter. */
typedef uint64_t rttime_t; /**< Realtime accumulator. */
typedef uint32_t syssts_t; /**< System status word. */
typedef uint8_t tmode_t; /**< Thread flags. */
typedef uint8_t tstate_t; /**< Thread state. */
typedef uint8_t trefs_t; /**< Thread references counter. */
typedef uint8_t tslices_t; /**< Thread time slices counter.*/
typedef uint32_t tprio_t; /**< Thread priority. */
typedef int32_t msg_t; /**< Inter-thread message. */
typedef int32_t eventid_t; /**< Numeric event identifier. */
typedef uint32_t eventmask_t; /**< Mask of event identifiers. */
typedef uint32_t eventflags_t; /**< Mask of event flags. */
typedef int32_t cnt_t; /**< Generic signed counter. */
typedef uint32_t ucnt_t; /**< Generic unsigned counter. */
/** @} */
/**
* @brief ROM constant modifier.
* @note It is set to use the "const" keyword in this port.
*/
#define ROMCONST const
/**
* @brief Makes functions not inlineable.
* @note If the compiler does not support such attribute then some
* time-dependent services could be degraded.
*/
#define NOINLINE __attribute__((noinline))
/**
* @brief Optimized thread function declaration macro.
*/
#define PORT_THD_FUNCTION(tname, arg) void tname(void *arg)
/**
* @brief Packed variable specifier.
*/
#define PACKED_VAR __attribute__((packed))
/**
* @brief Memory alignment enforcement for variables.
*/
#define ALIGNED_VAR(n) __attribute__((aligned(n)))
/**
* @brief Size of a pointer.
* @note To be used where the sizeof operator cannot be used, preprocessor
* expressions for example.
*/
#define SIZEOF_PTR 4
/**
* @brief True if alignment is low-high in current architecture.
*/
#define REVERSE_ORDER 1
#endif /* CHTYPES_H */
/** @} */

13
os/common/ports/ARMv6-M/compilers/GCC/mk/port_v6m.mk Normal file
View File

@ -0,0 +1,13 @@
# List of the ChibiOS/RT Cortex-M0 STM32F0xx port files.
PORTSRC = $(CHIBIOS)/os/common/ports/ARMCMx/chcore.c \
$(CHIBIOS)/os/common/ports/ARMCMx/chcore_v6m.c
PORTASM = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/chcoreasm_v6m.S
PORTINC = $(CHIBIOS)/os/common/ports/ARMCMx \
$(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
# Shared variables
ALLXASMSRC += $(PORTASM)
ALLCSRC += $(PORTSRC)
ALLINC += $(PORTINC)

13
os/common/ports/ARMv6-M/compilers/GCC/mk/port_v7m.mk Normal file
View File

@ -0,0 +1,13 @@
# List of the ChibiOS/RT ARMv7M generic port files.
PORTSRC = $(CHIBIOS)/os/common/ports/ARMCMx/chcore.c \
$(CHIBIOS)/os/common/ports/ARMCMx/chcore_v7m.c
PORTASM = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/chcoreasm_v7m.S
PORTINC = $(CHIBIOS)/os/common/ports/ARMCMx \
$(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
# Shared variables
ALLXASMSRC += $(PORTASM)
ALLCSRC += $(PORTSRC)
ALLINC += $(PORTINC)

13
os/common/ports/ARMv6-M/compilers/GCC/mk/port_v8m-ml.mk Normal file
View File

@ -0,0 +1,13 @@
# List of the ChibiOS/RT ARMv8M-mainline generic port files.
PORTSRC = $(CHIBIOS)/os/common/ports/ARMCMx/chcore.c \
$(CHIBIOS)/os/common/ports/ARMCMx/chcore_v8m-ml.c
PORTASM = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/chcoreasm_v8m-ml.S
PORTINC = $(CHIBIOS)/os/common/ports/ARMCMx \
$(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
# Shared variables
ALLXASMSRC += $(PORTASM)
ALLCSRC += $(PORTSRC)
ALLINC += $(PORTINC)

165
os/common/ports/ARMv6-M/compilers/IAR/chcoreasm.s Normal file
View File

@ -0,0 +1,165 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMv6-M/compilers/IAR/chcoreasm.s
* @brief ARMv6-M port low level code.
*
* @addtogroup ARMv6_M_IAR_CORE
* @{
*/
#if !defined(FALSE) || defined(__DOXYGEN__)
#define FALSE 0
#endif
#if !defined(TRUE) || defined(__DOXYGEN__)
#define TRUE 1
#endif
#define _FROM_ASM_
#include "chlicense.h"
#include "chconf.h"
#include "chcore.h"
#if !defined(__DOXYGEN__)
/*
* RTOS-specific context offset.
*/
#if defined(_CHIBIOS_RT_CONF_)
#if CH_CFG_USE_REGISTRY
#define CURRENT_OFFSET 20 /* ch.rlist.current */
#define CONTEXT_OFFSET 20
#else
#define CURRENT_OFFSET 12
#define CONTEXT_OFFSET 12
#endif
#elif defined(_CHIBIOS_NIL_CONF_)
#define CURRENT_OFFSET 0 /* nil.current */
#define CONTEXT_OFFSET 0
#else
#error "invalid chconf.h"
#endif
MODULE ?chcoreasm_v6m
AAPCS INTERWORK, VFP_COMPATIBLE
PRESERVE8
SCB_ICSR SET 0xE000ED04
SECTION .text:CODE:NOROOT(2)
EXTERN chThdExit
EXTERN chSysHalt
EXTERN chSchDoReschedule
#if CH_DBG_STATISTICS
EXTERN _stats_start_measure_crit_thd
EXTERN _stats_stop_measure_crit_thd
#endif
#if CH_DBG_SYSTEM_STATE_CHECK
EXTERN _dbg_check_unlock
EXTERN _dbg_check_lock
#endif
THUMB
/*
* Performs a context switch between two threads.
*/
PUBLIC _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.
* If the work function returns @p chThdExit() is automatically invoked.
*/
PUBLIC _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
_zombies: b _zombies
/*
* Post-IRQ switch code.
* Exception handlers return here for context switching.
*/
PUBLIC _port_switch_from_isr
PUBLIC _port_exit_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
_port_exit_from_isr:
ldr r2, =SCB_ICSR
movs r3, #128
#if CORTEX_ALTERNATE_SWITCH
lsls r3, r3, #21
str r3, [r2, #0]
cpsie i
#else
lsls r3, r3, #24
str r3, [r2, #0]
#endif
waithere:
b waithere
END
#endif /* !defined(__DOXYGEN__) */
/** @} */

115
os/common/ports/ARMv6-M/compilers/IAR/chtypes.h Normal file
View File

@ -0,0 +1,115 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMCMx/compilers/IAR/chtypes.h
* @brief ARM Cortex-Mx port system types.
*
* @addtogroup ARMCMx_IAR_CORE
* @{
*/
#ifndef CHTYPES_H
#define CHTYPES_H
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
/**
* @name Common constants
*/
/**
* @brief Generic 'false' boolean constant.
*/
#if !defined(FALSE) || defined(__DOXYGEN__)
#define FALSE 0
#endif
/**
* @brief Generic 'true' boolean constant.
*/
#if !defined(TRUE) || defined(__DOXYGEN__)
#define TRUE (!FALSE)
#endif
/** @} */
/**
* @name Kernel types
* @{
*/
typedef uint32_t rtcnt_t; /**< Realtime counter. */
typedef uint64_t rttime_t; /**< Realtime accumulator. */
typedef uint32_t syssts_t; /**< System status word. */
typedef uint8_t tmode_t; /**< Thread flags. */
typedef uint8_t tstate_t; /**< Thread state. */
typedef uint8_t trefs_t; /**< Thread references counter. */
typedef uint8_t tslices_t; /**< Thread time slices counter.*/
typedef uint32_t tprio_t; /**< Thread priority. */
typedef int32_t msg_t; /**< Inter-thread message. */
typedef int32_t eventid_t; /**< Numeric event identifier. */
typedef uint32_t eventmask_t; /**< Mask of event identifiers. */
typedef uint32_t eventflags_t; /**< Mask of event flags. */
typedef int32_t cnt_t; /**< Generic signed counter. */
typedef uint32_t ucnt_t; /**< Generic unsigned counter. */
/** @} */
/**
* @brief ROM constant modifier.
* @note It is set to use the "const" keyword in this port.
*/
#define ROMCONST const
/**
* @brief Makes functions not inlineable.
* @note If the compiler does not support such attribute then some
* time-dependent services could be degraded.
*/
#define NOINLINE _Pragma("inline=never")
/**
* @brief Optimized thread function declaration macro.
*/
#define PORT_THD_FUNCTION(tname, arg) void tname(void *arg)
/**
* @brief Packed variable specifier.
*/
#define PACKED_VAR __packed
/**
* @brief Memory alignment enforcement for variables.
*/
#define ALIGNED_VAR(n) _Pragma(__CH_STRINGIFY(data_alignment=n))
/**
* @brief Size of a pointer.
* @note To be used where the sizeof operator cannot be used, preprocessor
* expressions for example.
*/
#define SIZEOF_PTR 4
/**
* @brief True if alignment is low-high in current architecture.
*/
#define REVERSE_ORDER 1
#endif /* CHTYPES_H */
/** @} */

161
os/common/ports/ARMv6-M/compilers/RVCT/chcoreasm.s Normal file
View File

@ -0,0 +1,161 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMv6-M/compilers/RVCT/chcoreasm.s
* @brief ARMv6-M port low level code.
*
* @addtogroup ARMv6_M_RVCT_CORE
* @{
*/
#if !defined(FALSE) || defined(__DOXYGEN__)
#define FALSE 0
#endif
#if !defined(TRUE) || defined(__DOXYGEN__)
#define TRUE 1
#endif
#define _FROM_ASM_
#include "chlicense.h"
#include "chconf.h"
#include "chcore.h"
#if !defined(__DOXYGEN__)
/*
* RTOS-specific context offset.
*/
#if defined(_CHIBIOS_RT_CONF_)
#if CH_CFG_USE_REGISTRY
#define CURRENT_OFFSET 20 /* ch.rlist.current */
#define CONTEXT_OFFSET 20
#else
#define CURRENT_OFFSET 12
#define CONTEXT_OFFSET 12
#endif
#elif defined(_CHIBIOS_NIL_CONF_)
#define CURRENT_OFFSET 0 /* nil.current */
#define CONTEXT_OFFSET 0
#else
#error "invalid chconf.h"
#endif
SCB_ICSR EQU 0xE000ED04
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, 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}
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
cpsie i
mov r0, r5
blx r4
movs r0, #0 /* MSG_OK */
bl chThdExit
_zombies b _zombies
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
ldr r2, =SCB_ICSR
movs r3, #128
#if CORTEX_ALTERNATE_SWITCH
lsls r3, r3, #21
str r3, [r2, #0]
cpsie i
#else
lsls r3, r3, #24
str r3, [r2, #0]
#endif
waithere b waithere
ENDP
END
#endif /* !defined(__DOXYGEN__) */
/** @} */

97
os/common/ports/ARMv6-M/compilers/RVCT/chtypes.h Normal file
View File

@ -0,0 +1,97 @@
/*
ChibiOS - Copyright (C) 2006..2018 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 ARMCMx/compilers/RVCT/chtypes.h
* @brief ARM Cortex-Mx port system types.
*
* @addtogroup ARMCMx_RVCT_CORE
* @{
*/
#ifndef CHTYPES_H
#define CHTYPES_H
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
/**
* @name Kernel types
* @{
*/
typedef uint32_t rtcnt_t; /**< Realtime counter. */
typedef uint64_t rttime_t; /**< Realtime accumulator. */
typedef uint32_t syssts_t; /**< System status word. */
typedef uint8_t tmode_t; /**< Thread flags. */
typedef uint8_t tstate_t; /**< Thread state. */
typedef uint8_t trefs_t; /**< Thread references counter. */
typedef uint8_t tslices_t; /**< Thread time slices counter.*/
typedef uint32_t tprio_t; /**< Thread priority. */
typedef int32_t msg_t; /**< Inter-thread message. */
typedef int32_t eventid_t; /**< Numeric event identifier. */
typedef uint32_t eventmask_t; /**< Mask of event identifiers. */
typedef uint32_t eventflags_t; /**< Mask of event flags. */
typedef int32_t cnt_t; /**< Generic signed counter. */
typedef uint32_t ucnt_t; /**< Generic unsigned counter. */
/** @} */
/**
* @brief ROM constant modifier.
* @note It is set to use the "const" keyword in this port.
*/
#define ROMCONST const
/**
* @brief Makes functions not inlineable.
* @note If the compiler does not support such attribute then some
* time-dependent services could be degraded.
*/
#define NOINLINE __attribute__((noinline))
/**
* @brief Optimized thread function declaration macro.
*/
#define PORT_THD_FUNCTION(tname, arg) void tname(void *arg)
/**
* @brief Packed variable specifier.
*/
#define PACKED_VAR __packed
/**
* @brief Memory alignment enforcement for variables.
*/
#define ALIGNED_VAR(n) __attribute__((aligned(n)))
/**
* @brief Size of a pointer.
* @note To be used where the sizeof operator cannot be used, preprocessor
* expressions for example.
*/
#define SIZEOF_PTR 4
/**
* @brief True if alignment is low-high in current architecture.
*/
#define REVERSE_ORDER 1
#endif /* CHTYPES_H */
/** @} */