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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [frv/] [frv400/] [v2_0/] [include/] [plf_stub.h] - Blame information for rev 27

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#ifndef CYGONCE_HAL_PLF_STUB_H
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#define CYGONCE_HAL_PLF_STUB_H
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//=============================================================================
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//
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//      plf_stub.h
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//
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//      Platform header for GDB stub support.
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//
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//=============================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s):   gthomas
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// Contributors:jskov
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// Date:        2001-09-14
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// Purpose:     Platform HAL stub support for Fujitsu FRV-400
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// Usage:       #include <cyg/hal/plf_stub.h>
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//              
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//####DESCRIPTIONEND####
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//
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//=============================================================================
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#include <pkgconf/hal.h>
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#include <cyg/infra/cyg_type.h>         // CYG_UNUSED_PARAM
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//#include <cyg/hal/hal_io.h>             // IO macros
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//#include <cyg/hal/hal_intr.h>           // Interrupt macros
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#include <cyg/hal/frv_stub.h>            // architecture stub support
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#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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//----------------------------------------------------------------------------
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// Define some platform specific communication details. This is mostly
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// handled by hal_if now, but we need to make sure the comms tables are
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// properly initialized.
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externC void cyg_hal_plf_comms_init(void);
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#define HAL_STUB_PLATFORM_INIT_SERIAL()       cyg_hal_plf_comms_init()
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#define HAL_STUB_PLATFORM_SET_BAUD_RATE(baud) CYG_UNUSED_PARAM(int, (baud))
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#define HAL_STUB_PLATFORM_INTERRUPTIBLE       0
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//----------------------------------------------------------------------------
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// Stub initializer.
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#define HAL_STUB_PLATFORM_INIT()        CYG_EMPTY_STATEMENT
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// ---------------------------------------------------------------------------
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// Hardware breakpoint/watchpoint support
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extern int   cyg_hal_plf_hw_breakpoint(int setflag, void *addr, int len);
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extern int   cyg_hal_plf_hw_watchpoint(int setflag, void *addr, int len, int type);
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extern int   cyg_hal_plf_is_stopped_by_hardware(void **paddr);
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#define HAL_STUB_HW_BREAKPOINT_LIST_SIZE 4
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#define HAL_STUB_HW_WATCHPOINT_LIST_SIZE 2
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#define HAL_STUB_HW_BREAKPOINT(f,a,l)      cyg_hal_plf_hw_breakpoint((f),(a),(l))
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#define HAL_STUB_HW_WATCHPOINT(f,a,l,t)    cyg_hal_plf_hw_watchpoint((f),(a),(l),(t))
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#define HAL_STUB_IS_STOPPED_BY_HARDWARE(p) cyg_hal_plf_is_stopped_by_hardware(&(p))
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#endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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// ------------------------------------------------------------------------
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// Horrid stuff to enter and exit debug mode
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#define HAL_FRV_ENTER_DEBUG_MODE() asm volatile ("break" : : : "lr")
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#define HAL_FRV_EXIT_DEBUG_MODE()                               \
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    asm volatile (                                              \
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     "\t call   10f           \n"                               \
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  "10:\t movsg  lr, gr6       \n" /* get local addr */          \
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     "\t addi   gr6, #16, gr6 \n" /* skip past rett */          \
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     "\t movgs  gr6, bpcsr    \n" /* Break PC save reg */       \
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     "\t rett   #1            \n"                               \
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         :                                                      \
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         :                                                      \
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         : "gr6","lr" /* clobber list */                        \
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        )
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//-----------------------------------------------------------------------------
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#endif // CYGONCE_HAL_PLF_STUB_H
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// End of plf_stub.h

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