/* * ========== Copyright Header Begin ========================================== * * OpenSPARC T2 Processor File: tso_n1_evict_fanout_ic1_8c.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_BASE_DATA_ADDR 0x160000 #define MAIN_BASE_TEXT_ADDR 0x150000 #define MAIN_BASE_DATA_ADDR_RA 0x100160000 #define MAIN_BASE_TEXT_ADDR_RA 0x100150000 #define DATA2_BASE_DATA_ADDR 0x950000 #define DATA2_BASE_DATA_ADDR_RA 0x100950000 #define USER_PAGE_CUSTOM_MAP #define data_base_reg1 %o1 #define data_base_reg2 %o2 #define my_id_reg %l1 #define test_reg %l2 #define counter_reg %l3 #define tmp1 %l4 #define tmp2 %l5 #define tmp3 %l6 #define ITERATIONS 0x1 #include "hboot.s" SECTION .MAIN TEXT_VA=0x150000, DATA_VA=0x160000 attr_text { Name = .MAIN, VA=MAIN_BASE_TEXT_ADDR, RA=MAIN_BASE_TEXT_ADDR_RA, PA=ra2pa(MAIN_BASE_TEXT_ADDR_RA,0), part_0_ctx_nonzero_tsb_config_0, TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0, TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0, TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_E=0, TTE_P=0, TTE_W=1 } attr_data { Name = .MAIN, VA=MAIN_BASE_DATA_ADDR, RA=MAIN_BASE_DATA_ADDR_RA, PA=ra2pa(MAIN_BASE_DATA_ADDR_RA,0), part_0_ctx_nonzero_tsb_config_0, TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0, TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0, TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_E=0, TTE_P=0, TTE_W=1 } .text .global main main: set ITERATIONS, counter_reg add %g0, 0x100, my_id_reg loop: ! get the lines in I$ nop;nop;nop;nop; nop;nop;nop;nop; nop;nop;nop;nop; nop;nop;nop;nop; th_fork(th_main,%l0) th_main_0: add my_id_reg, 0x00, my_id_reg ! this is my ID address ba go; nop th_main_1: add my_id_reg, 0x04, my_id_reg ba go; nop th_main_2: add my_id_reg, 0x08, my_id_reg ba go; nop th_main_3: add my_id_reg, 0x0c, my_id_reg ba go; nop th_main_4: add my_id_reg, 0x10, my_id_reg ba go; nop th_main_5: add my_id_reg, 0x14, my_id_reg ba go; nop th_main_6: add my_id_reg, 0x18, my_id_reg ba go; nop th_main_7: add my_id_reg, 0x1c, my_id_reg ba go; nop th_main_8: add my_id_reg, 0x20, my_id_reg ba go; nop th_main_9: add my_id_reg, 0x24, my_id_reg ba go; nop th_main_10: add my_id_reg, 0x28, my_id_reg ba go; nop th_main_11: add my_id_reg, 0x2c, my_id_reg ba go; nop th_main_12: add my_id_reg, 0x30, my_id_reg ba go; nop th_main_13: add my_id_reg, 0x34, my_id_reg ba go; nop th_main_14: add my_id_reg, 0x38, my_id_reg ba go; nop th_main_15: add my_id_reg, 0x3c, my_id_reg ba go; nop th_main_16: add my_id_reg, 0x40, my_id_reg ba go; nop th_main_17: add my_id_reg, 0x44, my_id_reg ba go; nop th_main_18: add my_id_reg, 0x48, my_id_reg ba go; nop th_main_19: add my_id_reg, 0x4c, my_id_reg ba go; nop th_main_20: add my_id_reg, 0x50, my_id_reg ba go; nop th_main_21: add my_id_reg, 0x54, my_id_reg ba go; nop th_main_22: add my_id_reg, 0x58, my_id_reg ba go; nop th_main_23: add my_id_reg, 0x5c, my_id_reg ba go; nop th_main_24: add my_id_reg, 0x60, my_id_reg ba go; nop th_main_25: add my_id_reg, 0x64, my_id_reg ba go; nop th_main_26: add my_id_reg, 0x68, my_id_reg ba go; nop th_main_27: add my_id_reg, 0x6c, my_id_reg ba go; nop th_main_28: add my_id_reg, 0x70, my_id_reg ba go; nop th_main_29: add my_id_reg, 0x74, my_id_reg ba go; nop th_main_30: add my_id_reg, 0x78, my_id_reg ba go; nop th_main_31: add my_id_reg, 0x7c, my_id_reg ba go; nop go: setx protected_area2,%l0, data_base_reg2 ! the data area2 ! it aliases area1 set barrier_code,tmp1 ! meet all threads jmpl tmp1,%o7 ! at the barrier nop sub my_id_reg, 0x100, tmp1 ! if I am thread 0 brz tmp1, evict nop goon: ! do it again or end dec counter_reg brz counter_reg, good_end nop ba loop nop evict: ba goon ld [data_base_reg2], test_reg ! read from data area2 !======================================================= barrier_code: setx barrier_data, tmp1, tmp2 bloop1: ! lock the barrier mov my_id_reg, tmp1 ! counter cas [tmp2], %g0, tmp1 brnz tmp1, bloop1 #ifdef PREFETCH prefetch [tmp2], #n_reads #else nop #endif ld [tmp2 + 4], tmp3 ! increment inc tmp3 st tmp3, [tmp2 + 4] st %g0, [tmp2] ! unlock bloop3: ld [tmp2 + 4], tmp3 brz tmp3, bout2 ! if 0 we are out. sub tmp3, THREAD_COUNT, tmp3 ! subtract THREAD_COUNT brnz tmp3, bloop3 ! if 0 we are also out. #ifdef PREFETCH prefetch [tmp2], #n_reads #else nop #endif bout2: st %g0, [tmp2 + 4] ! clear barrier counter jmpl %o7+8, %g0 ! return nop good_end: ta T_GOOD_TRAP bad_end: ta T_BAD_TRAP !========================== .data .global protected_area protected_area: .word 0xbee1 .skip 0x1000 .word 0xbee1 SECTION .DATA2 DATA_VA=0x950000 attr_data { Name = .DATA2, VA=DATA2_BASE_DATA_ADDR, RA=DATA2_BASE_DATA_ADDR_RA, PA=ra2pa(DATA2_BASE_DATA_ADDR_RA,0), part_0_ctx_nonzero_tsb_config_0, TTE_G=0, TTE_Context=PCONTEXT, TTE_V=1, TTE_Size=0, TTE_NFO=0, TTE_IE=0, TTE_Soft2=0, TTE_Diag=0, TTE_Soft=0, TTE_L=0, TTE_CP=1, TTE_CV=1, TTE_E=0, TTE_P=0, TTE_W=1 } .data .global protected_area2 protected_area2: .word 0xbee2 .skip 0x400 .global barrier_data barrier_data: .word 0x0 .word 0x0