diff options
Diffstat (limited to 'os/ports/GCC/RX/crt0.c')
| -rw-r--r-- | os/ports/GCC/RX/crt0.c | 302 |
1 files changed, 0 insertions, 302 deletions
diff --git a/os/ports/GCC/RX/crt0.c b/os/ports/GCC/RX/crt0.c deleted file mode 100644 index 13d823df7..000000000 --- a/os/ports/GCC/RX/crt0.c +++ /dev/null @@ -1,302 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012,2013 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT 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/RT 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 RX/crt0.c
- * @brief Generic RX600 startup file for ChibiOS/RT.
- *
- * @addtogroup RX_STARTUP
- * @{
- */
-
-#include "ch.h"
-
-typedef void (*funcp_t)(void);
-typedef funcp_t * funcpp_t;
-extern void (*_relocatableVectors[256])(void) __attribute__ ((section (".rvectors")));
-extern void __early_init(void);
-
-#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
-
-/*===========================================================================*/
-/**
- * @name Startup settings
- * @{
- */
-/*===========================================================================*/
-
-/**
- * @brief Stack segments initialization switch.
- */
-#if !defined(CRT0_STACKS_FILL_PATTERN) || defined(__DOXYGEN__)
-#define CRT0_STACKS_FILL_PATTERN 0x55555555
-#endif
-
-/**
- * @brief Stack segments initialization switch.
- */
-#if !defined(CRT0_INIT_STACKS) || defined(__DOXYGEN__)
-#define CRT0_INIT_STACKS TRUE
-#endif
-
-/**
- * @brief DATA segment initialization switch.
- */
-#if !defined(CRT0_INIT_DATA) || defined(__DOXYGEN__)
-#define CRT0_INIT_DATA TRUE
-#endif
-
-/**
- * @brief BSS segment initialization switch.
- */
-#if !defined(CRT0_INIT_BSS) || defined(__DOXYGEN__)
-#define CRT0_INIT_BSS TRUE
-#endif
-
-/**
- * @brief Constructors invocation switch.
- */
-#if !defined(CRT0_CALL_CONSTRUCTORS) || defined(__DOXYGEN__)
-#define CRT0_CALL_CONSTRUCTORS FALSE
-#endif
-
-/**
- * @brief Destructors invocation switch.
- */
-#if !defined(CRT0_CALL_DESTRUCTORS) || defined(__DOXYGEN__)
-#define CRT0_CALL_DESTRUCTORS FALSE
-#endif
-
-/** @} */
-
-/*===========================================================================*/
-/**
- * @name Symbols from the scatter file
- */
-/*===========================================================================*/
-
-/**
- * @brief Main stack lower boundary.
- * @details This symbol must be exported by the linker script and represents
- * the main stack lower boundary.
- */
-extern uint32_t __user_stack_base__;
-
-/**
- *
- * @brief Main stack initial position.
- * @details This symbol must be exported by the linker script and represents
- * the main stack initial position.
- */
-extern uint32_t __user_stack_end__;
-
-/**
- * @brief Process stack lower boundary.
- * @details This symbol must be exported by the linker script and represents
- * the process stack lower boundary.
- */
-extern uint32_t __irq_stack_base__;
-
-/**
- * @brief Process stack initial position.
- * @details This symbol must be exported by the linker script and represents
- * the process stack initial position.
- */
-extern uint32_t __irq_stack_end__;
-
-/**
- * @brief ROM image of the data segment start.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern uint32_t _textdata;
-
-/**
- * @brief Data segment start.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern uint32_t _data;
-
-/**
- * @brief Data segment end.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern uint32_t _edata;
-
-/**
- * @brief BSS segment start.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern uint32_t _bss_start;
-
-/**
- * @brief BSS segment end.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern uint32_t _bss_end;
-
-/**
- * @brief Constructors table start.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern funcp_t __init_array_start;
-
-/**
- * @brief Constructors table end.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern funcp_t __init_array_end;
-
-/**
- * @brief Destructors table start.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern funcp_t __fini_array_start;
-
-/**
- * @brief Destructors table end.
- * @pre The symbol must be aligned to a 32 bits boundary.
- */
-extern funcp_t __fini_array_end;
-
-/** @} */
-
-/**
- * @brief Application @p main() function.
- */
-extern void main(void);
-
-/**
- * @brief Early initialization.
- * @details This hook is invoked immediately after the stack initialization
- * and before the DATA and BSS segments initialization. The
- * default behavior is to do nothing.
- * @note This function is a weak symbol.
- */
-#if !defined(__DOXYGEN__)
-__attribute__((weak))
-#endif
-void __early_init(void) {}
-
-/**
- * @brief Late initialization.
- * @details This hook is invoked after the DATA and BSS segments
- * initialization and before any static constructor. The
- * default behavior is to do nothing.
- * @note This function is a weak symbol.
- */
-#if !defined(__DOXYGEN__)
-__attribute__((weak))
-#endif
-void __late_init(void) {}
-
-/**
- * @brief Default @p main() function exit handler.
- * @details This handler is invoked or the @p main() function exit. The
- * default behavior is to enter an infinite loop.
- * @note This function is a weak symbol.
- */
-#if !defined(__DOXYGEN__)
-__attribute__((weak, naked))
-#endif
-void _default_exit(void) {
- while (1)
- ;
-}
-
-/**
- * @brief Reset vector.
- */
-#if !defined(__DOXYGEN__)
-__attribute__((naked))
-#endif
-void ResetHandler(void) {
-
- /* Disable interrupts, ipl=0, supervisor mode, select USP stack */
- asm volatile ("mvtc #0x00000000, PSW");
-
- /* Set interrupt stack pointer */
- asm volatile ("mvtc #__irq_stack_end__, ISP");
- /* Set relocatable vectors base */
- asm volatile ("mvtc #__relocatableVectors, INTB");
-
- __early_init();
-
-#if RX_USE_FPU
- asm volatile ("mvtc #0x100, FPSW");
-#endif
-
-#if defined(CRT0_INIT_STACKS)
- /* Stack initialization.*/
- asm volatile ("mov %0, R2" : : "i" (CRT0_STACKS_FILL_PATTERN));
- asm volatile ("mov #__irq_stack_base__, R1");
- asm volatile ("mov #__irq_stack_end__-__irq_stack_base__, R3");
- asm volatile ("sstr.b");
-#endif
-
- /* copy initialized data */
-#if defined(CRT0_INIT_DATA)
- asm volatile ("mov #_data, R1");
- asm volatile ("mov #_textdata, R2");
- asm volatile ("mov #_edata-_data, R3");
- asm volatile ("smovf");
-#endif
-
-#if defined(CRT0_INIT_BSS)
- /* clear bss section */
- asm volatile ("mov #0, R2");
- asm volatile ("mov #_bss_start, R1");
- asm volatile ("mov #_bss_end-_bss_start, R3");
- asm volatile ("sstr.b");
-#endif
-
-#if CRT0_CALL_CONSTRUCTORS
- /* Constructors invocation.*/
- {
- funcpp_t fpp = &__init_array_start;
- while (fpp < &__init_array_end) {
- (*fpp)();
- fpp++;
- }
- }
-#endif
-
- /* Enable interrupts */
- asm volatile ("setpsw I");
-
- /* Invoking application main() function.*/
- main();
-
-
-#if CRT0_CALL_DESTRUCTORS
- /* Destructors invocation.*/
- {
- funcpp_t fpp = &__fini_array_start;
- while (fpp < &__fini_array_end) {
- (*fpp)();
- fpp++;
- }
- }
-#endif
-
- /* Invoking the exit handler.*/
- _default_exit();
-}
-
-/** @} */
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