//=============================================================================
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//=============================================================================
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//
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//
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// plf_stub.c
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// plf_stub.c
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//
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//
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// Platform specific code for GDB stub support.
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// Platform specific code for GDB stub support.
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//
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//
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//=============================================================================
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//=============================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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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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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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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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// 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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// 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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// Software Foundation; either version 2 or (at your option) any later version.
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//
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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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// 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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// 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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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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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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// 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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// 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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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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//
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// As a special exception, if other files instantiate templates or use macros
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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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// 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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// 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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// 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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// 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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// in accordance with section (3) of the GNU General Public License.
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//
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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 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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// this file might be covered by the GNU General Public License.
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//
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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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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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//####ECOSGPLCOPYRIGHTEND####
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//=============================================================================
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//=============================================================================
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//#####DESCRIPTIONBEGIN####
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//#####DESCRIPTIONBEGIN####
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//
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//
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// Author(s): nickg, jskov (based on the old tx39 hal_stub.c)
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// Author(s): nickg, jskov (based on the old tx39 hal_stub.c)
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// Contributors:nickg, jskov
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// Contributors:nickg, jskov
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// Date: 1999-02-12
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// Date: 1999-02-12
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// Purpose: Platform specific code for GDB stub support.
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// Purpose: Platform specific code for GDB stub support.
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//
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//
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//####DESCRIPTIONEND####
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//####DESCRIPTIONEND####
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//
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//
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//=============================================================================
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//=============================================================================
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#include <pkgconf/hal.h>
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#include <pkgconf/hal.h>
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#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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#include <cyg/hal/hal_stub.h>
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#include <cyg/hal/hal_stub.h>
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#include <cyg/hal/hal_io.h> // HAL IO macros
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#include <cyg/hal/hal_io.h> // HAL IO macros
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#include <cyg/hal/hal_diag.h> // diag output. FIXME
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#include <cyg/hal/hal_diag.h> // diag output. FIXME
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#include <cyg/hal/hal_intr.h>
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#include <cyg/hal/hal_intr.h>
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#include <cyg/hal/hal_if.h>
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#include <cyg/hal/hal_if.h>
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// Stub init
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// Stub init
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void hal_plf_stub_init(void)
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void hal_plf_stub_init(void)
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{
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{
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// extern CYG_ADDRESS hal_virtual_vector_table[64];
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// extern CYG_ADDRESS hal_virtual_vector_table[64];
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extern void init_thread_syscall( void *);
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extern void init_thread_syscall( void *);
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extern void install_async_breakpoint(void *epc);
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extern void install_async_breakpoint(void *epc);
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void (*oldvsr)(void);
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void (*oldvsr)(void);
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extern void __default_exception_vsr(void);
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extern void __default_exception_vsr(void);
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// Ensure that the breakpoint VSR points to the default VSR. This will pass
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// Ensure that the breakpoint VSR points to the default VSR. This will pass
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// it on to the stubs.
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// it on to the stubs.
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HAL_VSR_SET( CYGNUM_HAL_VECTOR_BREAKPOINT, __default_exception_vsr, &oldvsr );
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HAL_VSR_SET( CYGNUM_HAL_VECTOR_BREAKPOINT, __default_exception_vsr, &oldvsr );
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// Install async breakpoint handler into vector table.
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// Install async breakpoint handler into vector table.
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hal_virtual_vector_table[35] = (CYG_ADDRESS)install_async_breakpoint;
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hal_virtual_vector_table[35] = (CYG_ADDRESS)install_async_breakpoint;
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#if !defined(CYGPKG_KERNEL) && defined(CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT)
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#if !defined(CYGPKG_KERNEL) && defined(CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT)
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// Only include this code if we do not have a kernel. Otherwise
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// Only include this code if we do not have a kernel. Otherwise
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// the kernel supplies the functionality for the app we are linked
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// the kernel supplies the functionality for the app we are linked
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// with.
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// with.
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// Prepare for application installation of thread info function in
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// Prepare for application installation of thread info function in
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// vector table.
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// vector table.
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hal_virtual_vector_table[15] = 0;
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hal_virtual_vector_table[15] = 0;
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init_thread_syscall( (void *)&hal_virtual_vector_table[15] );
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init_thread_syscall( (void *)&hal_virtual_vector_table[15] );
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#endif
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#endif
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}
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}
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#endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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#endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// End of plf_stub.c
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// End of plf_stub.c
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