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//=============================================================================

//

//      plf_stub.c

//

//      Platform specific code for GDB stub support.

//

//=============================================================================

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// -------------------------------------------

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//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):   nickg, jskov (based on the old tx39 hal_stub.c)

// Contributors:nickg, jskov

// Date:        1999-02-12

// Purpose:     Platform specific code for GDB stub support.

//              

//####DESCRIPTIONEND####

//

//=============================================================================

#include <pkgconf/hal.h>

#ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS

#include <cyg/hal/hal_stub.h>

#include <cyg/hal/hal_io.h>             // HAL IO macros

#include <cyg/hal/hal_diag.h>           // diag output. FIXME

#include <cyg/hal/hal_intr.h>

#include <cyg/hal/hal_if.h>

//-----------------------------------------------------------------------------

// Stub init

void hal_plf_stub_init(void)

{

//    extern CYG_ADDRESS hal_virtual_vector_table[64];

    extern void init_thread_syscall( void *);

    extern void install_async_breakpoint(void *epc);

    void (*oldvsr)(void);

    extern void __default_exception_vsr(void);

    // Ensure that the breakpoint VSR points to the default VSR. This will pass

    // it on to the stubs.

    HAL_VSR_SET( CYGNUM_HAL_VECTOR_BREAKPOINT, __default_exception_vsr, &oldvsr );

    // Install async breakpoint handler into vector table.

    hal_virtual_vector_table[35] = (CYG_ADDRESS)install_async_breakpoint;

#if !defined(CYGPKG_KERNEL) && defined(CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT)

    // Only include this code if we do not have a kernel. Otherwise

    // the kernel supplies the functionality for the app we are linked

    // with.

    // Prepare for application installation of thread info function in

    // vector table.

    hal_virtual_vector_table[15] = 0;

    init_thread_syscall( (void *)&hal_virtual_vector_table[15] );

#endif

}

#endif // ifdef CYGDBG_HAL_DEBUG_GDB_INCLUDE_STUBS

//-----------------------------------------------------------------------------

// End of plf_stub.c