/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1999 Ralf Baechle * Copyright (C) 1999 Silicon Graphics, Inc. */ #include #include #include #include #include #include .macro __BUILD_cli CLI .endm .macro __BUILD_sti STI .endm .macro __BUILD_kmode KMODE .endm .macro tlb_handler name interruptible writebit NESTED(__\name, PT_SIZE, sp) SAVE_ALL dmfc0 a2, CP0_BADVADDR __BUILD_\interruptible li a1, \writebit sd a2, PT_BVADDR(sp) move a0, sp jal do_page_fault j ret_from_exception END(__\name) .endm .macro tlb_handler_m3 name interruptible writebit NESTED(__\name, PT_SIZE, sp) dmfc0 k0, CP0_BADVADDR dmfc0 k1, CP0_ENTRYHI xor k0, k1 dsrl k0, k0, PAGE_SHIFT + 1 bnez k0, 1f SAVE_ALL dmfc0 a2, CP0_BADVADDR __BUILD_\interruptible li a1, \writebit sd a2, PT_BVADDR(sp) move a0, sp jal do_page_fault 1: j ret_from_exception END(__\name) .endm tlb_handler xtlb_mod kmode 1 #if BCM1250_M3_WAR tlb_handler_m3 xtlb_tlbl kmode 0 #else tlb_handler xtlb_tlbl kmode 0 #endif tlb_handler xtlb_tlbs kmode 1