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Diffstat (limited to 'os/rt/ports/SIMIA32/chcore.h')
| -rw-r--r-- | os/rt/ports/SIMIA32/chcore.h | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/os/rt/ports/SIMIA32/chcore.h b/os/rt/ports/SIMIA32/chcore.h deleted file mode 100644 index 0caa1ecfd..000000000 --- a/os/rt/ports/SIMIA32/chcore.h +++ /dev/null @@ -1,382 +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 SIMIA32/chcore.h
- * @brief Simulator on IA32 port macros and structures.
- *
- * @addtogroup SIMIA32_GCC_CORE
- * @{
- */
-
-#ifndef _CHCORE_H_
-#define _CHCORE_H_
-
-/*===========================================================================*/
-/* Module constants. */
-/*===========================================================================*/
-
-/**
- * Macro defining the a simulated architecture into x86.
- */
-#define PORT_ARCHITECTURE_SIMIA32
-
-/**
- * Name of the implemented architecture.
- */
-#define PORT_ARCHITECTURE_NAME "Simulator"
-
-/**
- * @brief Name of the architecture variant (optional).
- */
-#define PORT_CORE_VARIANT_NAME "x86 (integer only)"
-
-/**
- * @brief Name of the compiler supported by this port.
- */
-#define PORT_COMPILER_NAME "GCC " __VERSION__
-
-/**
- * @brief Port-specific information string.
- */
-#define PORT_INFO "No preemption"
-
-/**
- * @brief This port supports a realtime counter.
- */
-#define PORT_SUPPORTS_RT TRUE
-
-/*===========================================================================*/
-/* Module pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @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.
- */
-#ifndef PORT_IDLE_THREAD_STACK_SIZE
-#define PORT_IDLE_THREAD_STACK_SIZE 256
-#endif
-
-/**
- * @brief Per-thread stack overhead for interrupts servicing.
- * @details This constant is used in the calculation of the correct working
- * area size.
- */
-#ifndef PORT_INT_REQUIRED_STACK
-#define PORT_INT_REQUIRED_STACK 16384
-#endif
-
-/**
- * @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. */
-/*===========================================================================*/
-
-#if CH_DBG_ENABLE_STACK_CHECK
-#error "option CH_DBG_ENABLE_STACK_CHECK not supported by this port"
-#endif
-
-/*===========================================================================*/
-/* Module data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief 16 bytes stack and memory alignment enforcement.
- */
-typedef struct {
- uint8_t a[16];
-} stkalign_t __attribute__((aligned(16)));
-
-/**
- * @brief Type of a generic x86 register.
- */
-typedef void *regx86;
-
-/**
- * @brief Interrupt saved context.
- * @details This structure represents the stack frame saved during a
- * preemption-capable interrupt handler.
- */
-struct port_extctx {
-};
-
-/**
- * @brief System saved context.
- * @details This structure represents the inner stack frame during a context
- * switch.
- */
-struct port_intctx {
- regx86 ebx;
- regx86 edi;
- regx86 esi;
- regx86 ebp;
- regx86 eip;
-};
-
-/**
- * @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 context {
- struct port_intctx *esp;
-};
-
-/*===========================================================================*/
-/* Module macros. */
-/*===========================================================================*/
-
-#define APUSH(p, a) do { \
- (p) -= sizeof(void *); \
- *(void **)(p) = (void*)(a); \
-} while (false)
-
-/* Darwin requires the stack to be aligned to a 16-byte boundary at
- * the time of a call instruction (in case the called function needs
- * to save MMX registers). This aligns to 'mod' module 16, so that we'll end
- * up with the right alignment after pushing the args. */
-#define AALIGN(p, mask, mod) \
- p = (void *)((((uint32_t)(p) - (uint32_t)(mod)) & ~(uint32_t)(mask)) + (uint32_t)(mod)) \
-
-/**
- * @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, workspace, wsize, pf, arg) { \
- /*lint -save -e611 -e9033 -e9074 -e9087 [10.8, 11.1, 11.3] Valid casts.*/ \
- uint8_t *esp = (uint8_t *)workspace + wsize; \
- APUSH(esp, 0); \
- uint8_t *savebp = esp; \
- AALIGN(esp, 15, 8); \
- APUSH(esp, arg); \
- APUSH(esp, pf); \
- APUSH(esp, 0); \
- esp -= sizeof(struct port_intctx); \
- ((struct port_intctx *)esp)->eip = (void *)_port_thread_start; \
- ((struct port_intctx *)esp)->ebx = NULL; \
- ((struct port_intctx *)esp)->edi = NULL; \
- ((struct port_intctx *)esp)->esi = NULL; \
- ((struct port_intctx *)esp)->ebp = (void *)savebp; \
- (tp)->p_ctx.esp = (struct port_intctx *)esp; \
- /*lint -restore*/ \
-}
-
- /**
- * @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(void *) * 4U) + \
- sizeof(struct port_intctx) + \
- ((size_t)(n)) + \
- ((size_t)(PORT_INT_REQUIRED_STACK)))
-
-/**
- * @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() { \
- port_isr_context_flag = true; \
-}
-
-/**
- * @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() { \
- port_isr_context_flag = false; \
-}
-
-
-/**
- * @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) 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) void id(void)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-extern bool port_isr_context_flag;
-extern syssts_t port_irq_sts;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- /*lint -save -e950 [Dir-2.1] Non-ANSI keywords are fine in the port layer.*/
- __attribute__((fastcall)) void port_switch(thread_t *ntp, thread_t *otp);
- __attribute__((cdecl, noreturn)) void _port_thread_start(msg_t (*pf)(void *p),
- void *p);
- /*lint -restore*/
- rtcnt_t port_rt_get_counter_value(void);
- void _sim_check_for_interrupts(void);
-#ifdef __cplusplus
-}
-#endif
-
-/*===========================================================================*/
-/* Module inline functions. */
-/*===========================================================================*/
-
-/**
- * @brief Port-related initialization code.
- */
-static inline void port_init(void) {
-
- port_irq_sts = (syssts_t)0;
- port_isr_context_flag = false;
-}
-
-/**
- * @brief Returns a word encoding the current interrupts status.
- *
- * @return The interrupts status.
- */
-static inline syssts_t port_get_irq_status(void) {
-
- return port_irq_sts;
-}
-
-/**
- * @brief Checks the interrupt status.
- *
- * @param[in] sts the interrupt status word
- *
- * @return The interrupt status.
- * @retvel false the word specified a disabled interrupts status.
- * @retvel true the word specified an enabled interrupts status.
- */
-static inline bool port_irq_enabled(syssts_t sts) {
-
- return sts == (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) {
-
- return port_isr_context_flag;
-}
-
-/**
- * @brief Kernel-lock action.
- * @details In this port this function disables interrupts globally.
- */
-static inline void port_lock(void) {
-
- port_irq_sts = (syssts_t)1;
-}
-
-/**
- * @brief Kernel-unlock action.
- * @details In this port this function enables interrupts globally.
- */
-static inline void port_unlock(void) {
-
- port_irq_sts = (syssts_t)0;
-}
-
-/**
- * @brief Kernel-lock action from an interrupt handler.
- * @details In this port this function disables interrupts globally.
- * @note Same as @p port_lock() in this port.
- */
-static inline void port_lock_from_isr(void) {
-
- port_irq_sts = (syssts_t)1;
-}
-
-/**
- * @brief Kernel-unlock action from an interrupt handler.
- * @details In this port this function enables interrupts globally.
- * @note Same as @p port_lock() in this port.
- */
-static inline void port_unlock_from_isr(void) {
-
- port_irq_sts = (syssts_t)0;
-}
-
-/**
- * @brief Disables all the interrupt sources.
- */
-static inline void port_disable(void) {
-
- port_irq_sts = (syssts_t)1;
-}
-
-/**
- * @brief Disables the interrupt sources below kernel-level priority.
- */
-static inline void port_suspend(void) {
-
- port_irq_sts = (syssts_t)1;
-}
-
-/**
- * @brief Enables all the interrupt sources.
- */
-static inline void port_enable(void) {
-
- port_irq_sts = (syssts_t)0;
-}
-
-/**
- * @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) {
-
- _sim_check_for_interrupts();
-}
-
-#endif /* _CHCORE_H_ */
-
-/** @} */
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