diff options
Diffstat (limited to 'os/common/ports/ARMCMAx-TZ/chcore.h')
| -rwxr-xr-x | os/common/ports/ARMCMAx-TZ/chcore.h | 522 |
1 files changed, 0 insertions, 522 deletions
diff --git a/os/common/ports/ARMCMAx-TZ/chcore.h b/os/common/ports/ARMCMAx-TZ/chcore.h deleted file mode 100755 index 7be2cdaca..000000000 --- a/os/common/ports/ARMCMAx-TZ/chcore.h +++ /dev/null @@ -1,522 +0,0 @@ -/*
- 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 ARMCMAx-TZ/chcore.h
- * @brief ARMCMAx-TZ architecture port macros and structures.
- *
- * @addtogroup ARMCMAx-TZ_CORE
- * @{
- */
-
-#ifndef CHCORE_H
-#define CHCORE_H
-
-/*===========================================================================*/
-/* Module constants. */
-/*===========================================================================*/
-
-/**
- * @name Port Capabilities and Constants
- * @{
- */
-/**
- * @brief This port supports a realtime counter.
- */
-#define PORT_SUPPORTS_RT FALSE
-
-/**
- * @brief Natural alignment constant.
- * @note It is the minimum alignment for pointer-size variables.
- */
-#define PORT_NATURAL_ALIGN sizeof (void *)
-
-/**
- * @brief Stack alignment constant.
- * @note It is the alignement required for the stack pointer.
- */
-#define PORT_STACK_ALIGN sizeof (stkalign_t)
-
-/**
- * @brief Working Areas alignment constant.
- * @note It is the alignment to be enforced for thread working areas.
- */
-#define PORT_WORKING_AREA_ALIGN sizeof (stkalign_t)
-/** @} */
-
-/**
- * @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__
-
-#else
-#error "unsupported compiler"
-#endif
-
-#endif /* !defined(_FROM_ASM_) */
-/** @} */
-
-/**
- * @name ARM variants
- * @{
- */
-#define ARM_CORE_CORTEX_A5 105
-#define ARM_CORE_CORTEX_A8 108
-#define ARM_CORE_CORTEX_A9 109
-/** @} */
-
-/* Inclusion of the ARM implementation specific parameters.*/
-#include "armparams.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
-
-/**
- * @brief Stack size for the system idle thread.
- * @details This size depends on the idle thread implementation, usually
- * the idle thread should take no more space than those reserved
- * by @p PORT_INT_REQUIRED_STACK.
- * @note In this port it is set to 32 because the idle thread does have
- * a stack frame when compiling without optimizations. You may
- * reduce this value to zero when compiling with optimizations.
- */
-#if !defined(PORT_IDLE_THREAD_STACK_SIZE) || defined(__DOXYGEN__)
-#define PORT_IDLE_THREAD_STACK_SIZE 32
-#endif
-
-/**
- * @brief Per-thread stack overhead for interrupts servicing.
- * @details This constant is used in the calculation of the correct working
- * area size.
- */
-#if !defined(PORT_INT_REQUIRED_STACK) || defined(__DOXYGEN__)
-#define PORT_INT_REQUIRED_STACK 32
-#endif
-
-/**
- * @brief If enabled allows the idle thread to enter a low power mode.
- */
-#ifndef ARM_ENABLE_WFI_IDLE
-#define ARM_ENABLE_WFI_IDLE FALSE
-#endif
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/* The following code is not processed when the file is included from an
- asm module.*/
-#if !defined(_FROM_ASM_)
-
-/* ARM core check.*/
-#if (ARM_CORE == ARM_CORE_CORTEX_A5) || defined(__DOXYGEN__)
-#define PORT_ARCHITECTURE_ARM_ARM7
-#define PORT_ARCHITECTURE_NAME "ARMv7"
-#define PORT_CORE_VARIANT_NAME "ARM Cortex-A5"
-
-#elif ARM_CORE == ARM_CORE_CORTEX_A8
-#define PORT_ARCHITECTURE_ARM_CORTEXA8
-#define PORT_ARCHITECTURE_NAME "ARMv7"
-#define PORT_CORE_VARIANT_NAME "ARM Cortex-A8"
-
-#elif ARM_CORE == ARM_CORE_CORTEX_A9
-#define PORT_ARCHITECTURE_ARM_CORTEXA9
-#define PORT_ARCHITECTURE_NAME "ARMv7"
-#define PORT_CORE_VARIANT_NAME "ARM Cortex-A9"
-
-#else
-#error "unknown or unsupported ARM core"
-#endif
-
-#define PORT_INFO "Pure THUMB mode"
-
-#endif /* !defined(_FROM_ASM_) */
-
-/*===========================================================================*/
-/* 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.
- */
-typedef uint64_t stkalign_t;
-
-/**
- * @brief Generic ARM register.
- */
-typedef void *regarm_t;
-
-/**
- * @brief Interrupt saved context.
- * @details This structure represents the stack frame saved during an
- * interrupt handler.
- */
-struct port_extctx {
- regarm_t spsr_irq;
- regarm_t lr_irq;
- regarm_t r0;
- regarm_t r1;
- regarm_t r2;
- regarm_t r3;
- regarm_t r12;
- regarm_t lr_usr;
-};
-
-/**
- * @brief System saved context.
- * @details This structure represents the inner stack frame during a context
- * switch.
- */
-struct port_intctx {
- regarm_t r4;
- regarm_t r5;
- regarm_t r6;
- regarm_t r7;
- regarm_t r8;
- regarm_t r9;
- regarm_t r10;
- regarm_t r11;
- regarm_t lr;
-};
-
-/**
- * @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 {
- struct port_intctx *sp;
-};
-
-/*===========================================================================*/
-/* Module macros. */
-/*===========================================================================*/
-
-/**
- * @brief Platform dependent part of the @p chThdCreateI() API.
- * @details This code usually setup the context switching frame represented
- * by an @p port_intctx structure.
- */
-#define PORT_SETUP_CONTEXT(tp, wbase, wtop, pf, arg) { \
- (tp)->ctx.sp = (struct port_intctx *)((uint8_t *)(wtop) - \
- sizeof (struct port_intctx)); \
- (tp)->ctx.sp->r4 = (regarm_t)(pf); \
- (tp)->ctx.sp->r5 = (regarm_t)(arg); \
- (tp)->ctx.sp->lr = (regarm_t)(_port_thread_start); \
-}
-
-/**
- * @brief Computes the thread working area global size.
- * @note There is no need to perform alignments in this macro.
- */
-#define PORT_WA_SIZE(n) (sizeof(struct port_intctx) + \
- sizeof(struct port_extctx) + \
- ((size_t)(n)) + ((size_t)(PORT_INT_REQUIRED_STACK)))
-
-/**
- * @brief Static working area allocation.
- * @details This macro is used to allocate a static thread working area
- * aligned as both position and size.
- *
- * @param[in] s the name to be assigned to the stack array
- * @param[in] n the stack size to be assigned to the thread
- */
-#define PORT_WORKING_AREA(s, n) \
- stkalign_t s[THD_WORKING_AREA_SIZE(n) / sizeof (stkalign_t)]
-
-/**
- * @brief Priority level verification macro.
- * @todo Add the required parameters to armparams.h.
- */
-#define PORT_IRQ_IS_VALID_PRIORITY(n) false
-
-/**
- * @brief IRQ prologue code.
- * @details This macro must be inserted at the start of all IRQ handlers
- * enabled to invoke system APIs.
- */
-#define PORT_IRQ_PROLOGUE()
-
-/**
- * @brief IRQ epilogue code.
- * @details This macro must be inserted at the end of all IRQ handlers
- * enabled to invoke system APIs.
- */
-#define PORT_IRQ_EPILOGUE() return chSchIsPreemptionRequired()
-
-/**
- * @brief IRQ handler function declaration.
- * @note @p id can be a function name or a vector number depending on the
- * port implementation.
- */
-#define PORT_IRQ_HANDLER(id) \
- __attribute__((interrupt("FIQ"))) void id(void)
-
-/**
- * @brief Fast IRQ handler function declaration.
- * @note @p id can be a function name or a vector number depending on the
- * port implementation.
- */
-#define PORT_FAST_IRQ_HANDLER(id) \
- __attribute__((interrupt("FIQ"))) void id(void)
-
-/**
- * @brief Performs a context switch between two threads.
- * @details This is the most critical code in any port, this function
- * is responsible for the context switch between 2 threads.
- * @note The implementation of this code affects <b>directly</b> the context
- * switch performance so optimize here as much as you can.
- * @note Implemented as inlined code for performance reasons.
- *
- * @param[in] ntp the thread to be switched in
- * @param[in] otp the thread to be switched out
- */
-#if defined(THUMB)
-
-#if CH_DBG_ENABLE_STACK_CHECK == TRUE
-#define port_switch(ntp, otp) { \
- register struct port_intctx *r13 asm ("r13"); \
- if ((stkalign_t *)(r13 - 1) < otp->wabase) \
- chSysHalt("stack overflow"); \
- _port_switch_thumb(ntp, otp); \
-}
-#else
-#define port_switch(ntp, otp) _port_switch_thumb(ntp, otp)
-#endif
-
-#else /* !defined(THUMB) */
-
-#if CH_DBG_ENABLE_STACK_CHECK == TRUE
-#define port_switch(ntp, otp) { \
- register struct port_intctx *r13 asm ("r13"); \
- if ((stkalign_t *)(r13 - 1) < otp->wabase) \
- chSysHalt("stack overflow"); \
- _port_switch_arm(ntp, otp); \
-}
-#else
-#define port_switch(ntp, otp) _port_switch_arm(ntp, otp)
-#endif
-
-#endif /* !defined(THUMB) */
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#if defined(THUMB_PRESENT)
- syssts_t _port_get_cpsr(void);
-#endif
-#if defined(THUMB)
- void _port_switch_thumb(thread_t *ntp, thread_t *otp);
-#else
- void _port_switch_arm(thread_t *ntp, thread_t *otp);
-#endif
- void _port_thread_start(void);
-#ifdef __cplusplus
-}
-#endif
-
-/*===========================================================================*/
-/* Module inline functions. */
-/*===========================================================================*/
-
-/**
- * @brief Port-related initialization code.
- */
-static inline void port_init(void) {
-
-}
-
-/**
- * @brief Returns a word encoding the current interrupts status.
- *
- * @return The interrupts status.
- */
-static inline syssts_t port_get_irq_status(void) {
- syssts_t sts;
-
-#if defined(THUMB)
- sts = _port_get_cpsr();
-#else
- __asm volatile ("mrs %[p0], CPSR" : [p0] "=r" (sts) :);
-#endif
- /*lint -save -e530 [9.1] Asm instruction not seen by lint.*/
- return sts;
- /*lint -restore*/
-}
-
-/**
- * @brief Checks the interrupt status.
- *
- * @param[in] sts the interrupt status word
- *
- * @return The interrupt status.
- * @retval false the word specified a disabled interrupts status.
- * @retval true the word specified an enabled interrupts status.
- */
-static inline bool port_irq_enabled(syssts_t sts) {
-
- return (sts & (syssts_t)0x40) == (syssts_t)0;
-}
-
-/**
- * @brief Determines the current execution context.
- *
- * @return The execution context.
- * @retval false not running in ISR mode.
- * @retval true running in ISR mode.
- */
-static inline bool port_is_isr_context(void) {
- syssts_t sts;
-
-#if defined(THUMB)
- sts = _port_get_cpsr();
-#else
- __asm volatile ("mrs %[p0], CPSR" : [p0] "=r" (sts) :);
-#endif
-
- /*lint -save -e530 [9.1] Asm instruction not seen by lint.*/
- return (sts & (syssts_t)0x1F) == (syssts_t)0x11;
- /*lint -restore*/
-}
-
-/**
- * @brief Kernel-lock action.
- * @details In this port it disables the FIQ sources and keeps IRQ sources
- * enabled.
- */
-static inline void port_lock(void) {
-
- __asm volatile ("msr CPSR_c, #0x5F" : : : "memory");
-}
-
-/**
- * @brief Kernel-unlock action.
- * @details In this port it enables both the IRQ and FIQ sources.
- */
-static inline void port_unlock(void) {
-
- __asm volatile ("msr CPSR_c, #0x1F" : : : "memory");
-}
-
-/**
- * @brief Kernel-lock action from an interrupt handler.
- * @note Empty in this port.
- */
-static inline void port_lock_from_isr(void) {
-
-}
-
-/**
- * @brief Kernel-unlock action from an interrupt handler.
- * @note Empty in this port.
- */
-static inline void port_unlock_from_isr(void) {
-
-}
-
-/**
- * @brief Disables all the interrupt sources.
- * @details In this port it disables FIQ sources.
- */
-static inline void port_disable(void) {
-
- __asm volatile ("msr CPSR_c, #0x5F" : : : "memory");
-}
-
-/**
- * @brief Disables the interrupt sources below kernel-level priority.
- * @note Interrupt sources above kernel level remains enabled.
- * @note In this port it disables the FIQ sources.
- */
-static inline void port_suspend(void) {
-
- __asm volatile ("msr CPSR_c, #0x5F" : : : "memory");
-}
-
-/**
- * @brief Enables all the interrupt sources.
- * @note In this port it enables both the IRQ and FIQ sources.
- */
-static inline void port_enable(void) {
-
- __asm volatile ("msr CPSR_c, #0x1F" : : : "memory");
-}
-
-/**
- * @brief Enters an architecture-dependent IRQ-waiting mode.
- * @details The function is meant to return when an interrupt becomes pending.
- * The simplest implementation is an empty function or macro but this
- * would not take advantage of architecture-specific power saving
- * modes.
- * @note Implemented as an inlined @p WFI instruction.
- */
-static inline void port_wait_for_interrupt(void) {
-
- asm volatile ("wfi" : : : "memory");
-}
-
-#if CH_CFG_ST_TIMEDELTA > 0
-#if PORT_USE_ALT_TIMER == FALSE
-#include "chcore_timer.h"
-#else /* PORT_USE_ALT_TIMER */
-#include "chcore_timer_alt.h"
-#endif /* PORT_USE_ALT_TIMER */
-#endif /* CH_CFG_ST_TIMEDELTA > 0 */
-
-#endif /* !defined(_FROM_ASM_) */
-
-#endif /* CHCORE_H */
-
-/** @} */
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