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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [kernel/] [v2_0/] [tests/] [kintr0.c] - Rev 572
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/*================================================================= // // kintr0.c // // Kernel C API Intr test 0 // //========================================================================== //####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): dsm // Contributors: dsm, jlarmour // Date: 1999-02-16 // Description: Very basic test of interrupt objects // Options: // CYGIMP_KERNEL_INTERRUPTS_DSRS_TABLE // CYGIMP_KERNEL_INTERRUPTS_DSRS_TABLE_MAX // CYGIMP_KERNEL_INTERRUPTS_DSRS_LIST //####DESCRIPTIONEND#### */ #include <cyg/kernel/kapi.h> #include <cyg/hal/hal_intr.h> #include <cyg/infra/testcase.h> #ifdef CYGFUN_KERNEL_API_C #include "testaux.h" static cyg_interrupt intr_obj[2]; static cyg_handle_t intr0, intr1; static cyg_ISR_t isr0, isr1; static cyg_DSR_t dsr0, dsr1; static cyg_uint32 isr0(cyg_vector_t vector, cyg_addrword_t data) { CYG_UNUSED_PARAM(cyg_addrword_t, data); cyg_interrupt_acknowledge(vector); return 0; } static void dsr0(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data) { CYG_UNUSED_PARAM(cyg_vector_t, vector); CYG_UNUSED_PARAM(cyg_ucount32, count); CYG_UNUSED_PARAM(cyg_addrword_t, data); } static cyg_uint32 isr1(cyg_vector_t vector, cyg_addrword_t data) { CYG_UNUSED_PARAM(cyg_vector_t, vector); CYG_UNUSED_PARAM(cyg_addrword_t, data); return 0; } static void dsr1(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data) { CYG_UNUSED_PARAM(cyg_vector_t, vector); CYG_UNUSED_PARAM(cyg_ucount32, count); CYG_UNUSED_PARAM(cyg_addrword_t, data); } static bool flash( void ) { cyg_handle_t handle; cyg_interrupt intr; cyg_interrupt_create(CYGNUM_HAL_ISR_MIN, 0, (cyg_addrword_t)333, isr0, dsr0, &handle, &intr ); cyg_interrupt_delete(handle); return true; } /* IMPORTANT: The calling convention for VSRs is target dependent. It is * unlikely that a plain C or C++ routine would function correctly on any * particular platform, even if it could correctly access the system * resources necessary to handle the event that caused it to be called. * VSRs usually must be written in assembly language. * * This is just a test program. The routine vsr0() below is defined simply * to define an address that will be in executable memory. If an event * causes this VSR to be called, all bets are off. If it is accidentally * installed in the vector for the realtime clock, the system will likely * freeze. */ static cyg_VSR_t vsr0; static void vsr0() { } void kintr0_main( void ) { cyg_vector_t v = (CYGNUM_HAL_VSR_MIN + 11) % CYGNUM_HAL_VSR_COUNT; cyg_vector_t v1; cyg_vector_t lvl1 = CYGNUM_HAL_ISR_MIN + (1 % CYGNUM_HAL_ISR_COUNT); cyg_vector_t lvl2 = CYGNUM_HAL_ISR_MIN + (15 % CYGNUM_HAL_ISR_COUNT); int in_use; cyg_VSR_t *old_vsr, *new_vsr; CYG_TEST_INIT(); #ifdef CYGPKG_HAL_MIPS_TX39 // This can be removed when PR 17831 is fixed if ( cyg_test_is_simulator ) v1 = 12 % CYGNUM_HAL_ISR_COUNT; else /* NOTE TRAILING ELSE... */ #endif v1 = CYGNUM_HAL_ISR_MIN + ( 6 % CYGNUM_HAL_ISR_COUNT); CHECK(flash()); CHECK(flash()); // Make sure the chosen levels are not already in use. HAL_INTERRUPT_IN_USE( lvl1, in_use ); intr0 = 0; if (!in_use) cyg_interrupt_create(lvl1, 1, (cyg_addrword_t)777, isr0, dsr0, &intr0, &intr_obj[0]); HAL_INTERRUPT_IN_USE( lvl2, in_use ); intr1 = 0; if (!in_use && lvl1 != lvl2) cyg_interrupt_create(lvl2, 1, 888, isr1, dsr1, &intr1, &intr_obj[1]); // Check these functions at least exist cyg_interrupt_disable(); cyg_interrupt_enable(); if (intr0) cyg_interrupt_attach(intr0); if (intr1) cyg_interrupt_attach(intr1); if (intr0) cyg_interrupt_detach(intr0); if (intr1) cyg_interrupt_detach(intr1); // If this attaching interrupt replaces the previous interrupt // instead of adding to it we could be in a big mess if the // vector is being used by something important. cyg_interrupt_get_vsr( v, &old_vsr ); cyg_interrupt_set_vsr( v, vsr0 ); cyg_interrupt_get_vsr( v, &new_vsr ); CHECK( vsr0 == new_vsr ); new_vsr = NULL; cyg_interrupt_get_vsr( v, &new_vsr ); cyg_interrupt_set_vsr( v, old_vsr ); CHECK( new_vsr == vsr0 ); cyg_interrupt_set_vsr( v, new_vsr ); new_vsr = NULL; cyg_interrupt_get_vsr( v, &new_vsr ); CHECK( vsr0 == new_vsr ); cyg_interrupt_set_vsr( v, old_vsr ); CHECK( vsr0 == new_vsr ); new_vsr = NULL; cyg_interrupt_get_vsr( v, &new_vsr ); CHECK( old_vsr == new_vsr ); CHECK( NULL != vsr0 ); cyg_interrupt_mask(v1); cyg_interrupt_unmask(v1); cyg_interrupt_configure(v1, true, true); CYG_TEST_PASS_FINISH("Kernel C API Intr 0 OK"); } externC void cyg_start( void ) { kintr0_main(); } #else /* def CYGFUN_KERNEL_API_C */ externC void cyg_start( void ) { CYG_TEST_INIT(); CYG_TEST_NA("Kernel C API layer disabled"); } #endif /* def CYGFUN_KERNEL_API_C */ /* EOF kintr0.c */
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