/* $NetBSD: cpufunc.h,v 1.11 2000/03/16 23:21:05 darrenr Exp $ */ /* * Copyright (c) 1997 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. * * RiscBSD kernel project * * cpufunc.h * * Prototypes for cpu, mmu and tlb related functions. */ #ifndef _ARM32_CPUFUNC_H_ #define _ARM32_CPUFUNC_H_ #include #ifdef _KERNEL #ifndef _LKM #include "opt_cputypes.h" #endif struct cpu_functions { /* CPU functions */ u_int (*cf_id) __P((void)); /* MMU functions */ u_int (*cf_control) __P((u_int bic, u_int eor)); void (*cf_domains) __P((u_int domains)); void (*cf_setttb) __P((u_int ttb)); u_int (*cf_faultstatus) __P((void)); u_int (*cf_faultaddress) __P((void)); /* TLB functions */ void (*cf_tlb_flushID) __P((void)); void (*cf_tlb_flushID_SE) __P((u_int va)); void (*cf_tlb_flushI) __P((void)); void (*cf_tlb_flushI_SE) __P((u_int va)); void (*cf_tlb_flushD) __P((void)); void (*cf_tlb_flushD_SE) __P((u_int va)); /* Cache functions */ void (*cf_cache_flushID) __P((void)); void (*cf_cache_flushID_SE) __P((u_int va)); void (*cf_cache_flushI) __P((void)); void (*cf_cache_flushI_SE) __P((u_int va)); void (*cf_cache_flushD) __P((void)); void (*cf_cache_flushD_SE) __P((u_int va)); void (*cf_cache_cleanID) __P((void)); void (*cf_cache_cleanID_E) __P((u_int imp)); void (*cf_cache_cleanD) __P((void)); void (*cf_cache_cleanD_E) __P((u_int imp)); void (*cf_cache_purgeID) __P((void)); void (*cf_cache_purgeID_E) __P((u_int imp)); void (*cf_cache_purgeD) __P((void)); void (*cf_cache_purgeD_E) __P((u_int imp)); /* Other functions */ void (*cf_flush_prefetchbuf) __P((void)); void (*cf_drain_writebuf) __P((void)); void (*cf_flush_brnchtgt_C) __P((void)); void (*cf_flush_brnchtgt_E) __P((u_int va)); void (*cf_sleep) __P((int mode)); /* Soft functions */ void (*cf_cache_syncI) __P((void)); void (*cf_cache_cleanID_rng) __P((u_int start, u_int len)); void (*cf_cache_cleanD_rng) __P((u_int start, u_int len)); void (*cf_cache_purgeID_rng) __P((u_int start, u_int len)); void (*cf_cache_purgeD_rng) __P((u_int start, u_int len)); void (*cf_cache_syncI_rng) __P((u_int start, u_int len)); int (*cf_dataabt_fixup) __P((void *arg)); int (*cf_prefetchabt_fixup) __P((void *arg)); void (*cf_context_switch) __P((void)); void (*cf_setup) __P((char *string)); }; extern struct cpu_functions cpufuncs; extern u_int cputype; #define cpu_id() cpufuncs.cf_id() #define cpu_control(c, e) cpufuncs.cf_control(c, e) #define cpu_domains(d) cpufuncs.cf_domains(d) #define cpu_setttb(t) cpufuncs.cf_setttb(t) #define cpu_faultstatus() cpufuncs.cf_faultstatus() #define cpu_faultaddress() cpufuncs.cf_faultaddress() #define cpu_tlb_flushID() cpufuncs.cf_tlb_flushID() #define cpu_tlb_flushID_SE(e) cpufuncs.cf_tlb_flushID_SE(e) #define cpu_tlb_flushI() cpufuncs.cf_tlb_flushI() #define cpu_tlb_flushI_SE(e) cpufuncs.cf_tlb_flushI_SE(e) #define cpu_tlb_flushD() cpufuncs.cf_tlb_flushD() #define cpu_tlb_flushD_SE(e) cpufuncs.cf_tlb_flushD_SE(e) #define cpu_cache_flushID() cpufuncs.cf_cache_flushID() #define cpu_cache_flushID_SE(e) cpufuncs.cf_cache_flushID_SE(e) #define cpu_cache_flushI() cpufuncs.cf_cache_flushI() #define cpu_cache_flushI_SE(e) cpufuncs.cf_cache_flushI_SE(e) #define cpu_cache_flushD() cpufuncs.cf_cache_flushD() #define cpu_cache_flushD_SE(e) cpufuncs.cf_cache_flushD_SE(e) #define cpu_cache_cleanID() cpufuncs.cf_cache_cleanID() #define cpu_cache_cleanID_E(e) cpufuncs.cf_cache_cleanID_E(e) #define cpu_cache_cleanD() cpufuncs.cf_cache_cleanD() #define cpu_cache_cleanD_E(e) cpufuncs.cf_cache_cleanD_E(e) #define cpu_cache_purgeID() cpufuncs.cf_cache_purgeID() #define cpu_cache_purgeID_E(e) cpufuncs.cf_cache_purgeID_E(e) #define cpu_cache_purgeD() cpufuncs.cf_cache_purgeD() #define cpu_cache_purgeD_E(e) cpufuncs.cf_cache_purgeD_E(e) #define cpu_flush_prefetchbuf() cpufuncs.cf_flush_prefetchbuf() #define cpu_drain_writebuf() cpufuncs.cf_drain_writebuf() #define cpu_flush_brnchtgt_C() cpufuncs.cf_flush_brnchtgt_C() #define cpu_flush_brnchtgt_E(e) cpufuncs.cf_flush_brnchtgt_E(e) #define cpu_sleep(m) cpufuncs.cf_sleep(m) #define cpu_cache_syncI() cpufuncs.cf_cache_syncI() #define cpu_cache_cleanID_rng(s,l) cpufuncs.cf_cache_cleanID_rng(s,l) #define cpu_cache_cleanD_rng(s,l) cpufuncs.cf_cache_cleanD_rng(s,l) #define cpu_cache_purgeID_rng(s,l) cpufuncs.cf_cache_purgeID_rng(s,l) #define cpu_cache_purgeD_rng(s,l) cpufuncs.cf_cache_purgeD_rng(s,l) #define cpu_cache_syncI_rng(s,l) cpufuncs.cf_cache_syncI_rng(s,l) #define cpu_dataabt_fixup(a) cpufuncs.cf_dataabt_fixup(a) #define cpu_prefetchabt_fixup(a) cpufuncs.cf_prefetchabt_fixup(a) #define ABORT_FIXUP_OK 0 /* fixup suceeded */ #define ABORT_FIXUP_FAILED 1 /* fixup failed */ #define ABORT_FIXUP_RETURN 2 /* abort handler should return */ #define cpu_setup(a) cpufuncs.cf_setup(a) int set_cpufuncs __P((void)); #define ARCHITECTURE_NOT_PRESENT 1 /* known but not configured */ #define ARCHITECTURE_NOT_SUPPORTED 2 /* not known */ void cpufunc_nullop __P((void)); u_int cpufunc_id __P((void)); u_int cpufunc_control __P((u_int clear, u_int bic)); void cpufunc_domains __P((u_int domains)); u_int cpufunc_faultstatus __P((void)); u_int cpufunc_faultaddress __P((void)); #if defined(CPU_ARM6) || defined(CPU_ARM7) void arm67_setttb __P((u_int ttb)); void arm67_tlb_flush __P((void)); void arm67_tlb_purge __P((u_int va)); void arm67_cache_flush __P((void)); void arm67_context_switch __P((void)); #endif /* CPU_ARM6 || CPU_ARM7 */ #ifdef CPU_ARM6 int arm6_dataabt_fixup __P((void *arg)); int arm6_prefetchabt_fixup __P((void *arg)); void arm6_setup __P((char *string)); #endif /* CPU_ARM6 */ #ifdef CPU_ARM7 int arm7_dataabt_fixup __P((void *arg)); int arm7_prefetchabt_fixup __P((void *arg)); void arm7_setup __P((char *string)); #endif /* CPU_ARM7 */ #ifdef CPU_ARM8 void arm8_setttb __P((u_int ttb)); void arm8_tlb_flushID __P((void)); void arm8_tlb_flushID_SE __P((u_int va)); void arm8_cache_flushID __P((void)); void arm8_cache_flushID_E __P((u_int entry)); void arm8_cache_cleanID __P((void)); void arm8_cache_cleanID_E __P((u_int entry)); void arm8_cache_purgeID __P((void)); void arm8_cache_purgeID_E __P((u_int entry)); void arm8_cache_syncI __P((void)); void arm8_cache_cleanID_rng __P((u_int start, u_int end)); void arm8_cache_cleanD_rng __P((u_int start, u_int end)); void arm8_cache_purgeID_rng __P((u_int start, u_int end)); void arm8_cache_purgeD_rng __P((u_int start, u_int end)); void arm8_cache_syncI_rng __P((u_int start, u_int end)); int arm8_dataabt_fixup __P((void *arg)); int arm8_prefetchabt_fixup __P((void *arg)); void arm8_context_switch __P((void)); void arm8_setup __P((char *string)); u_int arm8_clock_config __P((u_int, u_int)); #endif #ifdef CPU_SA110 void sa110_setttb __P((u_int ttb)); void sa110_tlb_flushID __P((void)); void sa110_tlb_flushID_SE __P((u_int va)); void sa110_tlb_flushI __P((void)); void sa110_tlb_flushD __P((void)); void sa110_tlb_flushD_SE __P((u_int va)); void sa110_cache_flushID __P((void)); void sa110_cache_flushI __P((void)); void sa110_cache_flushD __P((void)); void sa110_cache_flushD_SE __P((u_int entry)); void sa110_cache_cleanID __P((void)); void sa110_cache_cleanD __P((void)); void sa110_cache_cleanD_E __P((u_int entry)); void sa110_cache_purgeID __P((void)); void sa110_cache_purgeID_E __P((u_int entry)); void sa110_cache_purgeD __P((void)); void sa110_cache_purgeD_E __P((u_int entry)); void sa110_drain_writebuf __P((void)); void sa110_cache_syncI __P((void)); void sa110_cache_cleanID_rng __P((u_int start, u_int end)); void sa110_cache_cleanD_rng __P((u_int start, u_int end)); void sa110_cache_purgeID_rng __P((u_int start, u_int end)); void sa110_cache_purgeD_rng __P((u_int start, u_int end)); void sa110_cache_syncI_rng __P((u_int start, u_int end)); int sa110_dataabt_fixup __P((void *arg)); int sa110_prefetchabt_fixup __P((void *arg)); void sa110_context_switch __P((void)); void sa110_setup __P((char *string)); #endif /* CPU_SA110 */ #define tlb_flush cpu_tlb_flushID #define setttb cpu_setttb #define cache_clean cpu_cache_purgeID #define sync_caches cpu_cache_syncI #define sync_icache cpu_cache_syncI #define drain_writebuf cpu_drain_writebuf /* * Macros for manipulating CPU interrupts */ #define disable_interrupts(mask) \ (SetCPSR((mask) & (I32_bit | F32_bit), (mask) & (I32_bit | F32_bit))) #define enable_interrupts(mask) \ (SetCPSR((mask) & (I32_bit | F32_bit), 0)) #define restore_interrupts(old_cpsr) \ (SetCPSR((I32_bit | F32_bit), (old_cpsr) & (I32_bit | F32_bit))) /* * Functions to manipulate the CPSR * (in arm32/arm32/setcpsr.S) */ u_int SetCPSR __P((u_int bic, u_int eor)); u_int GetCPSR __P((void)); /* * Functions to manipulate cpu r13 * (in arm32/arm32/setstack.S) */ void set_stackptr __P((u_int mode, u_int address)); u_int get_stackptr __P((u_int mode)); /* * CPU functions from locore.S */ void cpu_reset __P((void)) __attribute__((__noreturn__)); #endif /* _KERNEL */ #endif /* _ARM32_CPUFUNC_H_ */ /* End of cpufunc.h */