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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [hal/] [sparc/] [erc32/] [v2_0/] [src/] [hal_priv.c] - Rev 27
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//=========================================================================== // // hal_priv.c // // SPARC ERC32 Architecture sim-specific private variables // //=========================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos 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 2 or (at your option) any later version. // // eCos 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 eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //=========================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): hmt // Contributors: hmt // Date: 1999-02-20 // Purpose: private vars for SPARC ERC32. // //####DESCRIPTIONEND#### // //=========================================================================== #include <cyg/hal/hal_intr.h> #include <cyg/hal/hal_arch.h> // ------------------------------------------------------------------------ // Clock static to keep period recorded. cyg_int32 cyg_hal_sparc_clock_period = 0; // ------------------------------------------------------------------------ // Board specific startups. extern void hal_board_prestart( void ); extern void hal_board_poststart( void ); void hal_board_prestart( void ) { } void hal_board_poststart( void ) { HAL_ENABLE_INTERRUPTS(); // OK to do this post constructors, and good for testing. } cyg_uint32 hal_lsbit_index(cyg_uint32 mask) { int i; for (i = 0; i < 32; i++) { if (mask & (1<<i)) return ((cyg_uint32)i); } return ((cyg_uint32)-1); } cyg_uint32 hal_msbit_index(cyg_uint32 mask) { int i; for (i = 31; i >= 0; i--) { if (mask & (1<<i)) return ((cyg_uint32)i); } return ((cyg_uint32)-1); } void hal_idle_thread_action(cyg_uint32 loop_count) { *((volatile cyg_uint32 *) 0x01f80008) = 0; } // EOF hal_priv.c
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