diff options
Diffstat (limited to 'nuttx/arch/arm/src/arm/up_syscall.c')
-rw-r--r-- | nuttx/arch/arm/src/arm/up_syscall.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/arm/up_syscall.c b/nuttx/arch/arm/src/arm/up_syscall.c new file mode 100644 index 000000000..f331a1314 --- /dev/null +++ b/nuttx/arch/arm/src/arm/up_syscall.c @@ -0,0 +1,96 @@ +/**************************************************************************** + * arch/arm/src/arm/up_syscall.c + * + * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <debug.h> + +#include "up_arch.h" +#include "os_internal.h" +#include "up_internal.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Output debug info if stack dump is selected -- even if + * debug is not selected. + */ + +#ifdef CONFIG_ARCH_STACKDUMP +# undef lldbg +# define lldbg lib_lowprintf +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * vectors + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_syscall + * + * Description: + * SWI interrupts will vection here with insn=the SWI + * instruction and xcp=the interrupt context + * + * The handler may get the SWI number be de-referencing + * the return address saved in the xcp and decoding + * the SWI instruction + * + ****************************************************************************/ + +void up_syscall(uint32_t *regs) +{ + lldbg("Syscall from 0x%x\n", regs[REG_PC]); + current_regs = regs; + PANIC(OSERR_ERREXCEPTION); +} |