/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: interrupt_QUEUE_DEV_MONDO_mode.s * Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved * 4150 Network Circle, Santa Clara, California 95054, U.S.A. * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This program 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; version 2 of the License. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * For the avoidance of doubt, and except that if any non-GPL license * choice is available it will apply instead, Sun elects to use only * the General Public License version 2 (GPLv2) at this time for any * software where a choice of GPL license versions is made * available with the language indicating that GPLv2 or any later version * may be used, or where a choice of which version of the GPL is applied is * otherwise unspecified. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * * * ========== Copyright Header End ============================================ */ #define MAIN_PAGE_NUCLEUS_ALSO #define MAIN_PAGE_HV_ALSO #define H_HT0_Interrupt_0x60 #define My_HT0_Interrupt_0x60 \ call my_interrupt_code; \ nop; \ retry; \ nop; #define H_HT0_Privileged_Action_0x37 #define My_HT0_Privileged_Action_0x37 \ call my_priv_action_trap_code; \ nop; \ done; \ nop; #define H_HT0_DAE_invalid_asi_0x14 my_H_T0_DAE_invalid_asi_0x14 #include "hboot.s" #include "ncu_defines.h" /************************************************************************ Test case code start ************************************************************************/ .text .global main main: ta T_CHANGE_HPRIV nop ! Switch to user mode user_mode: ta T_CHANGE_NONHPRIV ta T_CHANGE_NONPRIV ! Read and write ASI_QUEUE_DEV_MONDO_HEAD/TAIL registers ! Privileged Action traps expected. user_read: setx ASI_DEVICE_QUEUE_HEAD, %g1, %g7 setx ASI_DEVICE_QUEUE_TAIL, %g1, %g6 ldxa [%g7]ASI_QUEUE, %g0 ldxa [%g6]ASI_QUEUE, %g0 stxa %g0, [%g7]ASI_QUEUE stxa %g0, [%g6]ASI_QUEUE membar #Sync ! Check for 4 Privileged Action traps. user_trap_check: setx priv_action_trap_flag, %g1, %g2 ld [%g2], %g5 cmp %g5, 4 bne test_failed nop ! Go to supervisor mode for next interrupt super_mode: ta T_CHANGE_PRIV ta T_CHANGE_NONHPRIV ! Read and write ASI_QUEUE_DEV_MONDO_HEAD reg., expect no traps super_head: setx ASI_DEVICE_QUEUE_HEAD, %g1, %g7 ldxa [%g7]ASI_QUEUE, %g5 stxa %g5, [%g7]ASI_QUEUE membar #Sync ! Check that no more traps occured. super_head_trap_check: setx priv_action_trap_flag, %g1, %g2 ld [%g2], %g5 cmp %g5, 4 bne test_failed nop ! Read ASI_QUEUE_DEV_MONDO_TAIL reg. ! Expect no trap. super_tail_read: setx ASI_DEVICE_QUEUE_TAIL, %g1, %g6 ldxa [%g6]ASI_QUEUE, %g4 membar #Sync ! Check that no trap occured. super_tail_read_trap_check: setx priv_action_trap_flag, %g1, %g2 ld [%g2], %g5 cmp %g5, 4 bne test_failed nop ! Write ASI_QUEUE_DEV_MONDO_TAIL reg. ! Expect a DAE_invalid_ASI trap super_tail_write: setx 0x12345678, %g1, %g2 setx ASI_CPU_MONDO_QUEUE_TAIL, %g1, %g6 stxa %g2, [%g6]ASI_QUEUE membar #Sync ! Check that a DAE_invalid_trap trap occured. super_tail_write_trap_check: setx priv_action_trap_flag, %g1, %g2 ld [%g2], %g5 cmp %g5, 4 bne test_failed nop setx dae_invalid_trap_count, %g1, %g2 ld [%g2], %g5 cmp %g5, 1 bne test_failed nop ! Did the contents of ASI_DEV_MONDO_QUEUE_TAIL reg change? super_change_check: setx ASI_DEVICE_QUEUE_TAIL, %g1, %g6 ldxa [%g6]ASI_QUEUE, %g5 cmp %g4, %g5 bne test_failed nop ba test_passed nop /********************************************************************** Trap handlers: **********************************************************************/ .global my_interrupt_code .global my_priv_action_trap_code .global my_H_T0_DAE_invalid_asi_0x14 my_interrupt_code: ! Clear the interrupt ldxa [%g0]ASI_SWVR_INTR_R, %g0 membar #Sync ! Indicate interrupt occured setx user_data_start+16, %l1, %l2 lda [%l2]ASI_AS_IF_USER_PRIMARY, %l3 inc %l3 sta %l3, [%l2]ASI_AS_IF_USER_PRIMARY jmpl %o7+0x8, %g0 nop my_priv_action_trap_code: setx priv_action_trap_flag, %l1, %l2 lda [%l2]ASI_AS_IF_USER_PRIMARY, %l3 add %l3, 1, %l3 sta %l3, [%l2]ASI_AS_IF_USER_PRIMARY jmpl %o7+0x8, %g0 nop my_H_T0_DAE_invalid_asi_0x14: ! Increment the count setx dae_invalid_trap_count, %l1, %l2 lda [%l2]ASI_AS_IF_USER_PRIMARY, %l3 add %l3, 1, %l3 sta %l3, [%l2]ASI_AS_IF_USER_PRIMARY membar #Sync done nop test_passed: EXIT_GOOD test_failed: EXIT_BAD /************************************************************************ Test case data start ************************************************************************/ .data user_data_start: .word 0x0 .word 0x0 dae_invalid_trap_count: .word 0x0 .word 0x0 .word 0x0 .word 0x0 priv_action_trap_flag: .word 0x0 .word 0x0 .end