diff --git a/sys/arm/arm/cpufunc_asm_fa526.S b/sys/arm/arm/cpufunc_asm_fa526.S deleted file mode 100644 index 20530ac4195..00000000000 --- a/sys/arm/arm/cpufunc_asm_fa526.S +++ /dev/null @@ -1,207 +0,0 @@ -/* $NetBSD: cpufunc_asm_fa526.S,v 1.3 2008/10/15 16:56:49 matt Exp $*/ -/*- - * Copyright (c) 2008 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Matt Thomas - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - - -#include -__FBSDID("$FreeBSD$"); - -#ifdef CPU_FA526 -#define CACHELINE_SIZE 16 -#else -#define CACHELINE_SIZE 32 -#endif - -ENTRY(fa526_setttb) - mov r1, #0 - mcr p15, 0, r1, c7, c14, 0 /* clean and invalidate D$ */ - mcr p15, 0, r1, c7, c5, 0 /* invalidate I$ */ - mcr p15, 0, r1, c7, c5, 6 /* invalidate BTB */ - mcr p15, 0, r1, c7, c10, 4 /* drain write and fill buffer */ - - mcr p15, 0, r0, c2, c0, 0 /* Write the TTB */ - - /* If we have updated the TTB we must flush the TLB */ - mcr p15, 0, r1, c8, c7, 0 /* invalidate I+D TLB */ - - /* Make sure that pipeline is emptied */ - mov r0, r0 - mov r0, r0 - mov pc, lr -END(fa526_setttb) - -/* - * TLB functions - */ -ENTRY(fa526_tlb_flushID_SE) - mcr p15, 0, r0, c8, c7, 1 /* flush Utlb single entry */ - mov pc, lr -END(fa526_tlb_flushID_SE) - -ENTRY(fa526_cpu_sleep) - mov r0, #0 -/* nop - nop*/ - mcr p15, 0, r0, c7, c0, 4 /* Wait for interrupt*/ - mov pc, lr -END(fa526_cpu_sleep) - -/* - * Cache functions - */ -ENTRY(fa526_idcache_wbinv_all) - mov r0, #0 - mcr p15, 0, r0, c7, c14, 0 /* clean and invalidate D$ */ - mcr p15, 0, r0, c7, c5, 0 /* invalidate I$ */ - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mov pc, lr -END(fa526_idcache_wbinv_all) - -ENTRY(fa526_dcache_wbinv_all) - mov r0, #0 - mcr p15, 0, r0, c7, c14, 0 /* clean and invalidate D$ */ - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mov pc, lr -END(fa526_dcache_wbinv_all) - -/* - * Soft functions - */ -ENTRY(fa526_dcache_wbinv_range) - cmp r1, #0x4000 - bhs _C_LABEL(fa526_dcache_wbinv_all) - - and r2, r0, #(CACHELINE_SIZE - 1) - add r1, r1, r2 - bic r0, r0, #(CACHELINE_SIZE - 1) - -1: mcr p15, 0, r0, c7, c14, 1 /* clean and invalidate D$ entry */ - add r0, r0, #CACHELINE_SIZE - subs r1, r1, #CACHELINE_SIZE - bhi 1b - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mov pc, lr -END(fa526_dcache_wbinv_range) - -ENTRY(fa526_dcache_wb_range) - cmp r1, #0x4000 - bls 1f - - mov r0, #0 - mcr p15, 0, r0, c7, c10, 0 /* clean entire D$ */ - b 3f - -1: and r2, r0, #(CACHELINE_SIZE - 1) - add r1, r1, r2 - bic r0, r0, #(CACHELINE_SIZE - 1) - -2: mcr p15, 0, r0, c7, c10, 1 /* clean D$ entry */ - add r0, r0, #CACHELINE_SIZE - subs r1, r1, #CACHELINE_SIZE - bhi 2b - -3: mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mov pc, lr -END(fa526_dcache_wb_range) - -ENTRY(fa526_dcache_inv_range) - and r2, r0, #(CACHELINE_SIZE - 1) - add r1, r1, r2 - bic r0, r0, #(CACHELINE_SIZE - 1) - -1: mcr p15, 0, r0, c7, c6, 1 /* invalidate D$ single entry */ - add r0, r0, #CACHELINE_SIZE - subs r1, r1, #CACHELINE_SIZE - bhi 1b - - mov pc, lr -END(fa526_dcache_inv_range) - -ENTRY(fa526_idcache_wbinv_range) - cmp r1, #0x4000 - bhs _C_LABEL(fa526_idcache_wbinv_all) - - and r2, r0, #(CACHELINE_SIZE - 1) - add r1, r1, r2 - bic r0, r0, #(CACHELINE_SIZE - 1) - -1: mcr p15, 0, r0, c7, c14, 1 /* clean and invalidate D$ entry */ - mcr p15, 0, r0, c7, c5, 1 /* invalidate I$ entry */ - add r0, r0, #CACHELINE_SIZE - subs r1, r1, #CACHELINE_SIZE - bhi 1b - -2: mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mov pc, lr -END(fa526_idcache_wbinv_range) - -ENTRY(fa526_icache_sync_range) - cmp r1, #0x4000 - bhs .Lfa526_icache_sync_all - - and r2, r0, #(CACHELINE_SIZE - 1) - add r1, r1, r2 - bic r0, r0, #(CACHELINE_SIZE - 1) - -1: mcr p15, 0, r0, c7, c10, 1 /* clean D$ entry */ - mcr p15, 0, r0, c7, c5, 1 /* invalidate I$ entry */ - add r0, r0, #CACHELINE_SIZE - subs r1, r1, #CACHELINE_SIZE - bhi 1b - -2: mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mov pc, lr - -.Lfa526_icache_sync_all: - mov r0, #0 - mcr p15, 0, r0, c7, c5, 0 /* invalidate I$ */ - mov pc, lr -END(fa526_icache_sync_range) - -ENTRY(fa526_context_switch) - /* - * CF_CACHE_PURGE_ID will *ALWAYS* be called prior to this. - * Thus the data cache will contain only kernel data and the - * instruction cache will contain only kernel code, and all - * kernel mappings are shared by all processes. - */ - - mcr p15, 0, r0, c2, c0, 0 /* Write the TTB */ - - /* If we have updated the TTB we must flush the TLB */ - mov r0, #0 - mcr p15, 0, r0, c8, c7, 0 /* flush the I+D tlb */ - - /* Make sure that pipeline is emptied */ - mov r0, r0 - mov r0, r0 - mov pc, lr -END(fa526_context_switch) - diff --git a/sys/arm/arm/cpufunc_asm_xscale.S b/sys/arm/arm/cpufunc_asm_xscale.S deleted file mode 100644 index 08e6f169c3c..00000000000 --- a/sys/arm/arm/cpufunc_asm_xscale.S +++ /dev/null @@ -1,509 +0,0 @@ -/* $NetBSD: cpufunc_asm_xscale.S,v 1.16 2002/08/17 16:36:32 thorpej Exp $ */ - -/*- - * Copyright (c) 2001, 2002 Wasabi Systems, Inc. - * All rights reserved. - * - * Written by Allen Briggs and Jason R. Thorpe for Wasabi Systems, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed for the NetBSD Project by - * Wasabi Systems, Inc. - * 4. The name of Wasabi Systems, Inc. may not be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ - -/*- - * Copyright (c) 2001 Matt Thomas. - * Copyright (c) 1997,1998 Mark Brinicombe. - * Copyright (c) 1997 Causality Limited - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Causality Limited. - * 4. The name of Causality Limited may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY CAUSALITY LIMITED ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL CAUSALITY LIMITED BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * XScale assembly functions for CPU / MMU / TLB specific operations - */ -#include -__FBSDID("$FreeBSD$"); - -#include - -/* - * Size of the XScale core D-cache. - */ -#define DCACHE_SIZE 0x00008000 - -/* - * CPWAIT -- Canonical method to wait for CP15 update. - * From: Intel 80200 manual, section 2.3.3. - * - * NOTE: Clobbers the specified temp reg. - */ -#define CPWAIT_BRANCH \ - sub pc, pc, #4 - -#define CPWAIT(tmp) \ - mrc p15, 0, tmp, c2, c0, 0 /* arbitrary read of CP15 */ ;\ - mov tmp, tmp /* wait for it to complete */ ;\ - CPWAIT_BRANCH /* branch to next insn */ - -#define CPWAIT_AND_RETURN_SHIFTER lsr #32 - -#define CPWAIT_AND_RETURN(tmp) \ - mrc p15, 0, tmp, c2, c0, 0 /* arbitrary read of CP15 */ ;\ - /* Wait for it to complete and branch to the return address */ \ - sub pc, lr, tmp, CPWAIT_AND_RETURN_SHIFTER - -ENTRY(xscale_cpwait) - CPWAIT_AND_RETURN(r0) -END(xscale_cpwait) - -/* - * We need a separate cpu_control() entry point, since we have to - * invalidate the Branch Target Buffer in the event the BPRD bit - * changes in the control register. - */ -ENTRY(xscale_control) - mrc CP15_SCTLR(r3) /* Read the control register */ - bic r2, r3, r0 /* Clear bits */ - eor r2, r2, r1 /* XOR bits */ - - teq r2, r3 /* Only write if there was a change */ - mcrne p15, 0, r0, c7, c5, 6 /* Invalidate the BTB */ - mcrne CP15_SCTLR(r2) /* Write new control register */ - mov r0, r3 /* Return old value */ - - CPWAIT_AND_RETURN(r1) -END(xscale_control) - -/* - * Functions to set the MMU Translation Table Base register - * - * We need to clean and flush the cache as it uses virtual - * addresses that are about to change. - */ -ENTRY(xscale_setttb) -#ifdef CACHE_CLEAN_BLOCK_INTR - mrs r3, cpsr - orr r1, r3, #(PSR_I | PSR_F) - msr cpsr_fsxc, r1 -#endif - stmfd sp!, {r0-r3, lr} - bl _C_LABEL(xscale_cache_cleanID) - mcr p15, 0, r0, c7, c5, 0 /* invalidate I$ and BTB */ - mcr p15, 0, r0, c7, c10, 4 /* drain write and fill buffer */ - - CPWAIT(r0) - - ldmfd sp!, {r0-r3, lr} - - /* Write the TTB */ - mcr p15, 0, r0, c2, c0, 0 - - /* If we have updated the TTB we must flush the TLB */ - mcr p15, 0, r0, c8, c7, 0 /* invalidate I+D TLB */ - - /* The cleanID above means we only need to flush the I cache here */ - mcr p15, 0, r0, c7, c5, 0 /* invalidate I$ and BTB */ - - CPWAIT(r0) - -#ifdef CACHE_CLEAN_BLOCK_INTR - msr cpsr_fsxc, r3 -#endif - RET -END(xscale_setttb) - -/* - * TLB functions - * - */ -ENTRY(xscale_tlb_flushID_SE) - mcr p15, 0, r0, c8, c6, 1 /* flush D tlb single entry */ - mcr p15, 0, r0, c8, c5, 1 /* flush I tlb single entry */ - CPWAIT_AND_RETURN(r0) -END(xscale_tlb_flushID_SE) - -/* - * Cache functions - */ -ENTRY(xscale_cache_flushID) - mcr p15, 0, r0, c7, c7, 0 /* flush I+D cache */ - CPWAIT_AND_RETURN(r0) -END(xscale_cache_flushID) - -ENTRY(xscale_cache_flushI) - mcr p15, 0, r0, c7, c5, 0 /* flush I cache */ - CPWAIT_AND_RETURN(r0) -END(xscale_cache_flushI) - -ENTRY(xscale_cache_flushD) - mcr p15, 0, r0, c7, c6, 0 /* flush D cache */ - CPWAIT_AND_RETURN(r0) -END(xscale_cache_flushD) - -ENTRY(xscale_cache_flushI_SE) - mcr p15, 0, r0, c7, c5, 1 /* flush I cache single entry */ - CPWAIT_AND_RETURN(r0) -END(xscale_cache_flushI_SE) - -ENTRY(xscale_cache_flushD_SE) - /* - * Errata (rev < 2): Must clean-dcache-line to an address - * before invalidate-dcache-line to an address, or dirty - * bits will not be cleared in the dcache array. - */ - mcr p15, 0, r0, c7, c10, 1 - mcr p15, 0, r0, c7, c6, 1 /* flush D cache single entry */ - CPWAIT_AND_RETURN(r0) -END(xscale_cache_flushD_SE) - -ENTRY(xscale_cache_cleanD_E) - mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - CPWAIT_AND_RETURN(r0) -END(xscale_cache_cleanD_E) - -/* - * Information for the XScale cache clean/purge functions: - * - * * Virtual address of the memory region to use - * * Size of memory region - * - * Note the virtual address for the Data cache clean operation - * does not need to be backed by physical memory, since no loads - * will actually be performed by the allocate-line operation. - * - * Note that the Mini-Data cache MUST be cleaned by executing - * loads from memory mapped into a region reserved exclusively - * for cleaning of the Mini-Data cache. - */ - .data - - .global _C_LABEL(xscale_cache_clean_addr) -_C_LABEL(xscale_cache_clean_addr): - .word 0x00000000 - - .global _C_LABEL(xscale_cache_clean_size) -_C_LABEL(xscale_cache_clean_size): - .word DCACHE_SIZE - - .global _C_LABEL(xscale_minidata_clean_addr) -_C_LABEL(xscale_minidata_clean_addr): - .word 0x00000000 - - .global _C_LABEL(xscale_minidata_clean_size) -_C_LABEL(xscale_minidata_clean_size): - .word 0x00000800 - - .text - -.Lxscale_cache_clean_addr: - .word _C_LABEL(xscale_cache_clean_addr) -.Lxscale_cache_clean_size: - .word _C_LABEL(xscale_cache_clean_size) - -.Lxscale_minidata_clean_addr: - .word _C_LABEL(xscale_minidata_clean_addr) -.Lxscale_minidata_clean_size: - .word _C_LABEL(xscale_minidata_clean_size) - -#ifdef CACHE_CLEAN_BLOCK_INTR -#define XSCALE_CACHE_CLEAN_BLOCK \ - mrs r3, cpsr ; \ - orr r0, r3, #(PSR_I | PSR_F) ; \ - msr cpsr_fsxc, r0 - -#define XSCALE_CACHE_CLEAN_UNBLOCK \ - msr cpsr_fsxc, r3 -#else -#define XSCALE_CACHE_CLEAN_BLOCK - -#define XSCALE_CACHE_CLEAN_UNBLOCK -#endif /* CACHE_CLEAN_BLOCK_INTR */ - -#define XSCALE_CACHE_CLEAN_PROLOGUE \ - XSCALE_CACHE_CLEAN_BLOCK ; \ - ldr r2, .Lxscale_cache_clean_addr ; \ - ldmia r2, {r0, r1} ; \ - /* \ - * BUG ALERT! \ - * \ - * The XScale core has a strange cache eviction bug, which \ - * requires us to use 2x the cache size for the cache clean \ - * and for that area to be aligned to 2 * cache size. \ - * \ - * The work-around is to use 2 areas for cache clean, and to \ - * alternate between them whenever this is done. No one knows \ - * why the work-around works (mmm!). \ - */ \ - eor r0, r0, #(DCACHE_SIZE) ; \ - str r0, [r2] ; \ - add r0, r0, r1 - -#define XSCALE_CACHE_CLEAN_EPILOGUE \ - XSCALE_CACHE_CLEAN_UNBLOCK - -ENTRY_NP(xscale_cache_syncI) - -EENTRY_NP(xscale_cache_purgeID) - mcr p15, 0, r0, c7, c5, 0 /* flush I cache (D cleaned below) */ -EENTRY_NP(xscale_cache_cleanID) -EENTRY_NP(xscale_cache_purgeD) -EENTRY(xscale_cache_cleanD) - XSCALE_CACHE_CLEAN_PROLOGUE - -1: subs r0, r0, #32 - mcr p15, 0, r0, c7, c2, 5 /* allocate cache line */ - subs r1, r1, #32 - bne 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT(r0) - - XSCALE_CACHE_CLEAN_EPILOGUE - RET -EEND(xscale_cache_cleanD) -EEND(xscale_cache_purgeD) -EEND(xscale_cache_cleanID) -EEND(xscale_cache_purgeID) -END(xscale_cache_syncI) - -/* - * Clean the mini-data cache. - * - * It's expected that we only use the mini-data cache for - * kernel addresses, so there is no need to purge it on - * context switch, and no need to prevent userspace access - * while we clean it. - */ -ENTRY(xscale_cache_clean_minidata) - ldr r2, .Lxscale_minidata_clean_addr - ldmia r2, {r0, r1} -1: ldr r3, [r0], #32 - subs r1, r1, #32 - bne 1b - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r1) -END(xscale_cache_clean_minidata) - -ENTRY(xscale_cache_purgeID_E) - mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - CPWAIT(r1) - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mcr p15, 0, r0, c7, c5, 1 /* flush I cache single entry */ - mcr p15, 0, r0, c7, c6, 1 /* flush D cache single entry */ - CPWAIT_AND_RETURN(r1) -END(xscale_cache_purgeID_E) - -ENTRY(xscale_cache_purgeD_E) - mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - CPWAIT(r1) - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - mcr p15, 0, r0, c7, c6, 1 /* flush D cache single entry */ - CPWAIT_AND_RETURN(r1) -END(xscale_cache_purgeD_E) - -/* - * Soft functions - */ -/* xscale_cache_syncI is identical to xscale_cache_purgeID */ - -EENTRY(xscale_cache_cleanID_rng) -ENTRY(xscale_cache_cleanD_rng) - cmp r1, #0x4000 - bcs _C_LABEL(xscale_cache_cleanID) - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -/*END(xscale_cache_cleanID_rng)*/ -END(xscale_cache_cleanD_rng) - -ENTRY(xscale_cache_purgeID_rng) - cmp r1, #0x4000 - bcs _C_LABEL(xscale_cache_purgeID) - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - mcr p15, 0, r0, c7, c6, 1 /* flush D cache single entry */ - mcr p15, 0, r0, c7, c5, 1 /* flush I cache single entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -END(xscale_cache_purgeID_rng) - -ENTRY(xscale_cache_purgeD_rng) - cmp r1, #0x4000 - bcs _C_LABEL(xscale_cache_purgeD) - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - mcr p15, 0, r0, c7, c6, 1 /* flush D cache single entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -END(xscale_cache_purgeD_rng) - -ENTRY(xscale_cache_syncI_rng) - cmp r1, #0x4000 - bcs _C_LABEL(xscale_cache_syncI) - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - mcr p15, 0, r0, c7, c5, 1 /* flush I cache single entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -END(xscale_cache_syncI_rng) - -ENTRY(xscale_cache_flushD_rng) - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c6, 1 /* flush D cache single entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -END(xscale_cache_flushD_rng) - -/* - * Context switch. - * - * These is the CPU-specific parts of the context switcher cpu_switch() - * These functions actually perform the TTB reload. - * - * NOTE: Special calling convention - * r1, r4-r13 must be preserved - */ -ENTRY(xscale_context_switch) - /* - * CF_CACHE_PURGE_ID will *ALWAYS* be called prior to this. - * Thus the data cache will contain only kernel data and the - * instruction cache will contain only kernel code, and all - * kernel mappings are shared by all processes. - */ - - /* Write the TTB */ - mcr p15, 0, r0, c2, c0, 0 - - /* If we have updated the TTB we must flush the TLB */ - mcr p15, 0, r0, c8, c7, 0 /* flush the I+D tlb */ - - CPWAIT_AND_RETURN(r0) -END(xscale_context_switch) - -/* - * xscale_cpu_sleep - * - * This is called when there is nothing on any of the run queues. - * We go into IDLE mode so that any IRQ or FIQ will awaken us. - * - * If this is called with anything other than ARM_SLEEP_MODE_IDLE, - * ignore it. - */ -ENTRY(xscale_cpu_sleep) - tst r0, #0x00000000 - bne 1f - mov r0, #0x1 - mcr p14, 0, r0, c7, c0, 0 - -1: - RET -END(xscale_cpu_sleep) - diff --git a/sys/arm/arm/cpufunc_asm_xscale_c3.S b/sys/arm/arm/cpufunc_asm_xscale_c3.S deleted file mode 100644 index 012c4a9dfbb..00000000000 --- a/sys/arm/arm/cpufunc_asm_xscale_c3.S +++ /dev/null @@ -1,399 +0,0 @@ -/* $NetBSD: cpufunc_asm_xscale.S,v 1.16 2002/08/17 16:36:32 thorpej Exp $ */ - -/*- - * Copyright (c) 2007 Olivier Houchard - * Copyright (c) 2001, 2002 Wasabi Systems, Inc. - * All rights reserved. - * - * Written by Allen Briggs and Jason R. Thorpe for Wasabi Systems, Inc. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed for the NetBSD Project by - * Wasabi Systems, Inc. - * 4. The name of Wasabi Systems, Inc. may not be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED - * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ - -/*- - * Copyright (c) 2001 Matt Thomas. - * Copyright (c) 1997,1998 Mark Brinicombe. - * Copyright (c) 1997 Causality Limited - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Causality Limited. - * 4. The name of Causality Limited may not be used to endorse or promote - * products derived from this software without specific prior written - * permission. - * - * THIS SOFTWARE IS PROVIDED BY CAUSALITY LIMITED ``AS IS'' AND ANY EXPRESS - * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL CAUSALITY LIMITED BE LIABLE FOR ANY DIRECT, - * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * XScale core 3 assembly functions for CPU / MMU / TLB specific operations - */ - -#include -__FBSDID("$FreeBSD$"); - -#include - -/* - * Size of the XScale core D-cache. - */ -#define DCACHE_SIZE 0x00008000 - -/* - * CPWAIT -- Canonical method to wait for CP15 update. - * From: Intel 80200 manual, section 2.3.3. - * - * NOTE: Clobbers the specified temp reg. - */ -#define CPWAIT_BRANCH \ - sub pc, pc, #4 - -#define CPWAIT(tmp) \ - mrc p15, 0, tmp, c2, c0, 0 /* arbitrary read of CP15 */ ;\ - mov tmp, tmp /* wait for it to complete */ ;\ - CPWAIT_BRANCH /* branch to next insn */ - -#define CPWAIT_AND_RETURN_SHIFTER lsr #32 - -#define CPWAIT_AND_RETURN(tmp) \ - mrc p15, 0, tmp, c2, c0, 0 /* arbitrary read of CP15 */ ;\ - /* Wait for it to complete and branch to the return address */ \ - sub pc, lr, tmp, CPWAIT_AND_RETURN_SHIFTER - -#define ARM_USE_L2_CACHE - -#define L2_CACHE_SIZE 0x80000 -#define L2_CACHE_WAYS 8 -#define L2_CACHE_LINE_SIZE 32 -#define L2_CACHE_SETS (L2_CACHE_SIZE / \ - (L2_CACHE_WAYS * L2_CACHE_LINE_SIZE)) - -#define L1_DCACHE_SIZE 32 * 1024 -#define L1_DCACHE_WAYS 4 -#define L1_DCACHE_LINE_SIZE 32 -#define L1_DCACHE_SETS (L1_DCACHE_SIZE / \ - (L1_DCACHE_WAYS * L1_DCACHE_LINE_SIZE)) -#ifdef CACHE_CLEAN_BLOCK_INTR -#define XSCALE_CACHE_CLEAN_BLOCK \ - stmfd sp!, {r4} ; \ - mrs r4, cpsr ; \ - orr r0, r4, #(PSR_I | PSR_F) ; \ - msr cpsr_fsxc, r0 - -#define XSCALE_CACHE_CLEAN_UNBLOCK \ - msr cpsr_fsxc, r4 ; \ - ldmfd sp!, {r4} -#else -#define XSCALE_CACHE_CLEAN_BLOCK -#define XSCALE_CACHE_CLEAN_UNBLOCK -#endif /* CACHE_CLEAN_BLOCK_INTR */ - - -ENTRY_NP(xscalec3_cache_syncI) -EENTRY_NP(xscalec3_cache_purgeID) - mcr p15, 0, r0, c7, c5, 0 /* flush I cache (D cleaned below) */ -EENTRY_NP(xscalec3_cache_cleanID) -EENTRY_NP(xscalec3_cache_purgeD) -EENTRY(xscalec3_cache_cleanD) - - XSCALE_CACHE_CLEAN_BLOCK - mov r0, #0 -1: - mov r1, r0, asl #30 - mov r2, #0 -2: - orr r3, r1, r2, asl #5 - mcr p15, 0, r3, c7, c14, 2 /* clean and invalidate */ - add r2, r2, #1 - cmp r2, #L1_DCACHE_SETS - bne 2b - add r0, r0, #1 - cmp r0, #4 - bne 1b - CPWAIT(r0) - XSCALE_CACHE_CLEAN_UNBLOCK - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - RET -EEND(xscalec3_cache_purgeID) -EEND(xscalec3_cache_cleanID) -EEND(xscalec3_cache_purgeD) -EEND(xscalec3_cache_cleanD) -END(xscalec3_cache_syncI) - -ENTRY(xscalec3_cache_purgeID_rng) - - cmp r1, #0x4000 - bcs _C_LABEL(xscalec3_cache_cleanID) - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c14, 1 /* clean/invalidate L1 D cache entry */ - nop - mcr p15, 0, r0, c7, c5, 1 /* flush I cache single entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -END(xscalec3_cache_purgeID_rng) - -ENTRY(xscalec3_cache_syncI_rng) - cmp r1, #0x4000 - bcs _C_LABEL(xscalec3_cache_syncI) - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c10, 1 /* clean D cache entry */ - mcr p15, 0, r0, c7, c5, 1 /* flush I cache single entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -END(xscalec3_cache_syncI_rng) - -ENTRY(xscalec3_cache_purgeD_rng) - - cmp r1, #0x4000 - bcs _C_LABEL(xscalec3_cache_cleanID) - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c14, 1 /* Clean and invalidate D cache entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -END(xscalec3_cache_purgeD_rng) - -ENTRY(xscalec3_cache_cleanID_rng) -EENTRY(xscalec3_cache_cleanD_rng) - - cmp r1, #0x4000 - bcs _C_LABEL(xscalec3_cache_cleanID) - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 0, r0, c7, c10, 1 /* clean L1 D cache entry */ - nop - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 /* drain write buffer */ - - CPWAIT_AND_RETURN(r0) -EEND(xscalec3_cache_cleanD_rng) -END(xscalec3_cache_cleanID_rng) - -ENTRY(xscalec3_l2cache_purge) - /* Clean-up the L2 cache */ - mcr p15, 0, r0, c7, c10, 5 /* Data memory barrier */ - mov r0, #0 -1: - mov r1, r0, asl #29 - mov r2, #0 -2: - orr r3, r1, r2, asl #5 - mcr p15, 1, r3, c7, c15, 2 - add r2, r2, #1 - cmp r2, #L2_CACHE_SETS - bne 2b - add r0, r0, #1 - cmp r0, #8 - bne 1b - mcr p15, 0, r0, c7, c10, 4 @ data write barrier - - CPWAIT(r0) - mcr p15, 0, r0, c7, c10, 5 /* Data memory barrier */ - RET -END(xscalec3_l2cache_purge) - -ENTRY(xscalec3_l2cache_clean_rng) - mcr p15, 0, r0, c7, c10, 5 /* Data memory barrier */ - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 1, r0, c7, c11, 1 /* Clean L2 D cache entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - - CPWAIT(r0) - - mcr p15, 0, r0, c7, c10, 4 @ data write barrier - mcr p15, 0, r0, c7, c10, 5 - - CPWAIT_AND_RETURN(r0) -END(xscalec3_l2cache_clean_rng) - -ENTRY(xscalec3_l2cache_purge_rng) - - mcr p15, 0, r0, c7, c10, 5 /* Data memory barrier */ - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 1, r0, c7, c11, 1 /* Clean L2 D cache entry */ - mcr p15, 1, r0, c7, c7, 1 /* Invalidate L2 D cache entry */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - - mcr p15, 0, r0, c7, c10, 4 @ data write barrier - mcr p15, 0, r0, c7, c10, 5 - - CPWAIT_AND_RETURN(r0) -END(xscalec3_l2cache_purge_rng) - -ENTRY(xscalec3_l2cache_flush_rng) - mcr p15, 0, r0, c7, c10, 5 /* Data memory barrier */ - - and r2, r0, #0x1f - add r1, r1, r2 - bic r0, r0, #0x1f - -1: mcr p15, 1, r0, c7, c7, 1 /* Invalidate L2 cache line */ - add r0, r0, #32 - subs r1, r1, #32 - bhi 1b - mcr p15, 0, r0, c7, c10, 4 @ data write barrier - mcr p15, 0, r0, c7, c10, 5 - CPWAIT_AND_RETURN(r0) -END(xscalec3_l2cache_flush_rng) - -/* - * Functions to set the MMU Translation Table Base register - * - * We need to clean and flush the cache as it uses virtual - * addresses that are about to change. - */ -ENTRY(xscalec3_setttb) -#ifdef CACHE_CLEAN_BLOCK_INTR - mrs r3, cpsr - orr r1, r3, #(PSR_I | PSR_F) - msr cpsr_fsxc, r1 -#endif - stmfd sp!, {r0-r3, lr} - bl _C_LABEL(xscalec3_cache_cleanID) - mcr p15, 0, r0, c7, c5, 0 /* invalidate I$ and BTB */ - mcr p15, 0, r0, c7, c10, 4 /* drain write and fill buffer */ - - CPWAIT(r0) - - ldmfd sp!, {r0-r3, lr} - -#ifdef ARM_USE_L2_CACHE - orr r0, r0, #0x18 /* cache the page table in L2 */ -#endif - /* Write the TTB */ - mcr p15, 0, r0, c2, c0, 0 - - /* If we have updated the TTB we must flush the TLB */ - mcr p15, 0, r0, c8, c7, 0 /* invalidate I+D TLB */ - - CPWAIT(r0) - -#ifdef CACHE_CLEAN_BLOCK_INTR - msr cpsr_fsxc, r3 -#endif - RET -END(xscalec3_setttb) - -/* - * Context switch. - * - * These is the CPU-specific parts of the context switcher cpu_switch() - * These functions actually perform the TTB reload. - * - * NOTE: Special calling convention - * r1, r4-r13 must be preserved - */ -ENTRY(xscalec3_context_switch) - /* - * CF_CACHE_PURGE_ID will *ALWAYS* be called prior to this. - * Thus the data cache will contain only kernel data and the - * instruction cache will contain only kernel code, and all - * kernel mappings are shared by all processes. - */ -#ifdef ARM_USE_L2_CACHE - orr r0, r0, #0x18 /* Cache the page table in L2 */ -#endif - /* Write the TTB */ - mcr p15, 0, r0, c2, c0, 0 - - /* If we have updated the TTB we must flush the TLB */ - mcr p15, 0, r0, c8, c7, 0 /* flush the I+D tlb */ - - CPWAIT_AND_RETURN(r0) -END(xscalec3_context_switch) - diff --git a/sys/arm/conf/NOTES b/sys/arm/conf/NOTES index d0f41484422..9f4c73e394e 100644 --- a/sys/arm/conf/NOTES +++ b/sys/arm/conf/NOTES @@ -2,9 +2,7 @@ machine arm -cpu CPU_ARM9 cpu CPU_ARM9E -cpu CPU_FA526 files "../mv/files.mv" files "../mv/discovery/files.db78xxx" diff --git a/sys/conf/Makefile.arm b/sys/conf/Makefile.arm index 2f6138d737d..3b9a6c3ca0d 100644 --- a/sys/conf/Makefile.arm +++ b/sys/conf/Makefile.arm @@ -74,9 +74,9 @@ SYSTEM_LD_TAIL +=;sed s/" + SIZEOF_HEADERS"// ldscript.$M\ FILES_CPU_FUNC = \ $S/$M/$M/cpufunc_asm_arm9.S \ - $S/$M/$M/cpufunc_asm_xscale.S $S/$M/$M/cpufunc_asm.S \ - $S/$M/$M/cpufunc_asm_xscale_c3.S $S/$M/$M/cpufunc_asm_armv5_ec.S \ - $S/$M/$M/cpufunc_asm_fa526.S $S/$M/$M/cpufunc_asm_sheeva.S + $S/$M/$M/cpufunc_asm.S \ + $S/$M/$M/cpufunc_asm_armv5_ec.S \ + $S/$M/$M/cpufunc_asm_sheeva.S .if ${MACHINE_ARCH:Marmv[67]*} == "" && defined(KERNPHYSADDR) KERNEL_EXTRA=trampoline diff --git a/sys/conf/files.arm b/sys/conf/files.arm index 303297177e8..98d452a8f7a 100644 --- a/sys/conf/files.arm +++ b/sys/conf/files.arm @@ -30,16 +30,13 @@ arm/arm/busdma_machdep-v6.c optional armv7 | armv6 | ARM_USE_V6_BUSDMA arm/arm/copystr.S standard arm/arm/cpufunc.c standard arm/arm/cpufunc_asm.S standard -arm/arm/cpufunc_asm_arm9.S optional cpu_arm9 | cpu_arm9e +arm/arm/cpufunc_asm_arm9.S optional cpu_arm9e arm/arm/cpufunc_asm_arm11x6.S optional cpu_arm1176 -arm/arm/cpufunc_asm_armv4.S optional cpu_arm9 | cpu_arm9e | cpu_fa526 | cpu_xscale_pxa2x0 | cpu_xscale_81342 +arm/arm/cpufunc_asm_armv4.S optional cpu_arm9e arm/arm/cpufunc_asm_armv5_ec.S optional cpu_arm9e arm/arm/cpufunc_asm_armv7.S optional cpu_cortexa | cpu_krait | cpu_mv_pj4b -arm/arm/cpufunc_asm_fa526.S optional cpu_fa526 arm/arm/cpufunc_asm_pj4b.S optional cpu_mv_pj4b arm/arm/cpufunc_asm_sheeva.S optional cpu_arm9e -arm/arm/cpufunc_asm_xscale.S optional cpu_xscale_pxa2x0 | cpu_xscale_81342 -arm/arm/cpufunc_asm_xscale_c3.S optional cpu_xscale_81342 arm/arm/cpuinfo.c standard arm/arm/cpu_asm-v6.S optional armv7 | armv6 arm/arm/db_disasm.c optional ddb diff --git a/sys/conf/options.arm b/sys/conf/options.arm index b09d5094be8..1bea34a5865 100644 --- a/sys/conf/options.arm +++ b/sys/conf/options.arm @@ -9,12 +9,10 @@ ARM_USE_V6_BUSDMA opt_global.h ARM_WANT_TP_ADDRESS opt_global.h COUNTS_PER_SEC opt_timer.h CPSW_ETHERSWITCH opt_cpsw.h -CPU_ARM9 opt_global.h CPU_ARM9E opt_global.h CPU_ARM1176 opt_global.h CPU_CORTEXA opt_global.h CPU_KRAIT opt_global.h -CPU_FA526 opt_global.h CPU_MV_PJ4B opt_global.h SMP_ON_UP opt_global.h # Runtime detection of MP extensions DEV_GIC opt_global.h