align ARM cpu.h importing & using armreg.h
Change-Id: I4793517d936f71b0bb7088fbfe67e73a65fafb11
This commit is contained in:
Ben Gras
Lionel Sambuc
parent
81473dbba0
commit
f4f382d8c0
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@ -9,6 +9,7 @@
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#include <assert.h>
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#include <signal.h>
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#include <machine/vm.h>
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#include <arm/armreg.h>
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#include <minix/u64.h>
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@ -5,10 +5,11 @@
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#include <machine/interrupt.h>
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#include <machine/memory.h>
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#include <machine/cpu.h>
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#include <arm/armreg.h>
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/* Program stack words and masks. */
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#define INIT_PSR (MODE_USR | PSR_F) /* initial psr */
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#define INIT_TASK_PSR (MODE_SVC | PSR_F) /* initial psr for tasks */
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#define INIT_PSR (PSR_USR32_MODE | PSR_F) /* initial psr */
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#define INIT_TASK_PSR (PSR_SVC32_MODE | PSR_F) /* initial psr for tasks */
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/* Exception vector numbers */
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#define RESET_VECTOR 0
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@ -27,6 +27,7 @@
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#include <machine/multiboot.h>
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#include <machine/ipcconst.h>
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#include <machine/cpu.h>
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#include <arm/armreg.h>
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#include "bsp_intr.h"
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#include "arch_proto.h" /* K_STACK_SIZE */
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@ -46,11 +47,11 @@ IMPORT(svc_stack)
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*/
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.macro switch_to_svc lr_offset
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sub lr, lr, #\lr_offset /* do the adjustment */
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srsdb sp!, #MODE_SVC /* store the saved the return */
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srsdb sp!, #PSR_SVC32_MODE /* store the saved the return */
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/* address and program status */
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/* register onto the kernel stack */
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/* Also modify the stack pointer. */
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cps #MODE_SVC /* do the switch to SVC. */
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cps #PSR_SVC32_MODE /* do the switch to SVC. */
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.endm
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/*
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@ -63,8 +64,8 @@ IMPORT(svc_stack)
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ldr r3, [sp, #8] /* get spsr. */
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orr r3, r3, #(PSR_F | PSR_I) /* mask interrupts on return. */
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str r3, [sp, #8] /* store spsr. */
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and r3, r3, #PSR_MODE_MASK /* mask the ARM mode. */
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cmp r3, #MODE_USR /* compare it to user mode. */
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and r3, r3, #PSR_MODE /* mask the ARM mode. */
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cmp r3, #PSR_USR32_MODE /* compare it to user mode. */
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pop {r3}
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bne \label /* In-kernel handling. */
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.endm
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@ -171,7 +172,7 @@ irq_entry_from_kernel:
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*/
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ENTRY(svc_entry)
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/* Store the LR and the SPSR of the current mode onto the SVC stack */
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srsdb sp!, #MODE_SVC
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srsdb sp!, #PSR_SVC32_MODE
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save_process_ctx
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/* save the pointer to the current process */
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@ -5,6 +5,7 @@
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#include "kernel/kernel.h"
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#include "arch_proto.h"
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#include <machine/cpu.h>
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#include <arm/armreg.h>
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#include <string.h>
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#include <minix/type.h>
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@ -214,21 +215,21 @@ void vm_enable_paging(void)
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sctlr = read_sctlr();
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/* Enable MMU */
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sctlr |= SCTLR_M;
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sctlr |= CPU_CONTROL_MMU_ENABLE;
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/* TRE set to zero (default reset value): TEX[2:0] are used, plus C and B bits.*/
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sctlr &= ~SCTLR_TRE;
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sctlr &= ~CPU_CONTROL_TR_ENABLE;
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/* AFE set to zero (default reset value): not using simplified model. */
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sctlr &= ~SCTLR_AFE;
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sctlr &= ~CPU_CONTROL_AF_ENABLE;
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/* Enable instruction ,data cache and branch prediction */
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sctlr |= SCTLR_C;
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sctlr |= SCTLR_I;
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sctlr |= SCTLR_Z;
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sctlr |= CPU_CONTROL_DC_ENABLE;
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sctlr |= CPU_CONTROL_IC_ENABLE;
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sctlr |= CPU_CONTROL_BPRD_ENABLE;
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/* Enable barriers */
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sctlr |= SCTLR_CP15BEN;
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sctlr |= CPU_CONTROL_32BD_ENABLE;
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/* Enable L2 cache (cortex-a8) */
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#define CORTEX_A8_L2EN (0x02)
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@ -2,7 +2,7 @@
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INCSDIR= /usr/include/arm
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INCS= aeabi.h ansi.h asm.h \
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INCS= aeabi.h ansi.h armreg.h asm.h \
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bswap.h byte_swap.h \
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cdefs.h cpu.h \
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disklabel.h \
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655
sys/arch/arm/include/armreg.h
Normal file
655
sys/arch/arm/include/armreg.h
Normal file
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@ -0,0 +1,655 @@
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/* $NetBSD: armreg.h,v 1.69 2012/09/27 21:48:17 matt Exp $ */
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/*
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* Copyright (c) 1998, 2001 Ben Harris
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* Copyright (c) 1994-1996 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ARM_ARMREG_H
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#define _ARM_ARMREG_H
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/*
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* ARM Process Status Register
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*
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* The picture in the ARM manuals looks like this:
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* 3 3 2 2 2 2
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* 1 0 9 8 7 6 8 7 6 5 4 0
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* +-+-+-+-+-+-------------------------------------+-+-+-+---------+
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* |N|Z|C|V|Q| reserved |I|F|T|M M M M M|
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* | | | | | | | | | |4 3 2 1 0|
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* +-+-+-+-+-+-------------------------------------+-+-+-+---------+
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*/
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#define PSR_FLAGS 0xf0000000 /* flags */
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#define PSR_N_bit (1 << 31) /* negative */
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#define PSR_Z_bit (1 << 30) /* zero */
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#define PSR_C_bit (1 << 29) /* carry */
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#define PSR_V_bit (1 << 28) /* overflow */
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#define PSR_Q_bit (1 << 27) /* saturation */
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#define I32_bit (1 << 7) /* IRQ disable */
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#define F32_bit (1 << 6) /* FIQ disable */
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#define IF32_bits (3 << 6) /* IRQ/FIQ disable */
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#define PSR_T_bit (1 << 5) /* Thumb state */
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#define PSR_J_bit (1 << 24) /* Java mode */
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#ifdef __minix
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/* Minix uses these aliases */
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#define PSR_F F32_bit
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#define PSR_I I32_bit
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#endif
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#define PSR_MODE 0x0000001f /* mode mask */
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#define PSR_USR26_MODE 0x00000000
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#define PSR_FIQ26_MODE 0x00000001
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#define PSR_IRQ26_MODE 0x00000002
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#define PSR_SVC26_MODE 0x00000003
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#define PSR_USR32_MODE 0x00000010
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#define PSR_FIQ32_MODE 0x00000011
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#define PSR_IRQ32_MODE 0x00000012
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#define PSR_SVC32_MODE 0x00000013
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#define PSR_MON32_MODE 0x00000016
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#define PSR_ABT32_MODE 0x00000017
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#define PSR_HYP32_MODE 0x0000001a
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#define PSR_UND32_MODE 0x0000001b
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#define PSR_SYS32_MODE 0x0000001f
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#define PSR_32_MODE 0x00000010
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#define PSR_IN_USR_MODE(psr) (!((psr) & 3)) /* XXX */
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#define PSR_IN_32_MODE(psr) ((psr) & PSR_32_MODE)
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/* In 26-bit modes, the PSR is stuffed into R15 along with the PC. */
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#define R15_MODE 0x00000003
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#define R15_MODE_USR 0x00000000
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#define R15_MODE_FIQ 0x00000001
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#define R15_MODE_IRQ 0x00000002
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#define R15_MODE_SVC 0x00000003
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#define R15_PC 0x03fffffc
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#define R15_FIQ_DISABLE 0x04000000
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#define R15_IRQ_DISABLE 0x08000000
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#define R15_FLAGS 0xf0000000
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#define R15_FLAG_N 0x80000000
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#define R15_FLAG_Z 0x40000000
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#define R15_FLAG_C 0x20000000
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#define R15_FLAG_V 0x10000000
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/*
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* Co-processor 15: The system control co-processor.
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*/
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#define ARM_CP15_CPU_ID 0
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/*
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* The CPU ID register is theoretically structured, but the definitions of
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* the fields keep changing.
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*/
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/* The high-order byte is always the implementor */
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#define CPU_ID_IMPLEMENTOR_MASK 0xff000000
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#define CPU_ID_ARM_LTD 0x41000000 /* 'A' */
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#define CPU_ID_DEC 0x44000000 /* 'D' */
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#define CPU_ID_INTEL 0x69000000 /* 'i' */
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#define CPU_ID_TI 0x54000000 /* 'T' */
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#define CPU_ID_MARVELL 0x56000000 /* 'V' */
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#define CPU_ID_FARADAY 0x66000000 /* 'f' */
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/* How to decide what format the CPUID is in. */
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#define CPU_ID_ISOLD(x) (((x) & 0x0000f000) == 0x00000000)
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#define CPU_ID_IS7(x) (((x) & 0x0000f000) == 0x00007000)
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#define CPU_ID_ISNEW(x) (!CPU_ID_ISOLD(x) && !CPU_ID_IS7(x))
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/* On ARM3 and ARM6, this byte holds the foundry ID. */
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#define CPU_ID_FOUNDRY_MASK 0x00ff0000
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#define CPU_ID_FOUNDRY_VLSI 0x00560000
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/* On ARM7 it holds the architecture and variant (sub-model) */
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#define CPU_ID_7ARCH_MASK 0x00800000
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#define CPU_ID_7ARCH_V3 0x00000000
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#define CPU_ID_7ARCH_V4T 0x00800000
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#define CPU_ID_7VARIANT_MASK 0x007f0000
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/* On more recent ARMs, it does the same, but in a different format */
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#define CPU_ID_ARCH_MASK 0x000f0000
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#define CPU_ID_ARCH_V3 0x00000000
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#define CPU_ID_ARCH_V4 0x00010000
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#define CPU_ID_ARCH_V4T 0x00020000
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#define CPU_ID_ARCH_V5 0x00030000
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#define CPU_ID_ARCH_V5T 0x00040000
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#define CPU_ID_ARCH_V5TE 0x00050000
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#define CPU_ID_ARCH_V5TEJ 0x00060000
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#define CPU_ID_ARCH_V6 0x00070000
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#define CPU_ID_VARIANT_MASK 0x00f00000
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/* Next three nybbles are part number */
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#define CPU_ID_PARTNO_MASK 0x0000fff0
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/* Intel XScale has sub fields in part number */
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#define CPU_ID_XSCALE_COREGEN_MASK 0x0000e000 /* core generation */
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#define CPU_ID_XSCALE_COREREV_MASK 0x00001c00 /* core revision */
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#define CPU_ID_XSCALE_PRODUCT_MASK 0x000003f0 /* product number */
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/* And finally, the revision number. */
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#define CPU_ID_REVISION_MASK 0x0000000f
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/* Individual CPUs are probably best IDed by everything but the revision. */
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#define CPU_ID_CPU_MASK 0xfffffff0
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/* Fake CPU IDs for ARMs without CP15 */
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#define CPU_ID_ARM2 0x41560200
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#define CPU_ID_ARM250 0x41560250
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/* Pre-ARM7 CPUs -- [15:12] == 0 */
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#define CPU_ID_ARM3 0x41560300
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#define CPU_ID_ARM600 0x41560600
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#define CPU_ID_ARM610 0x41560610
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#define CPU_ID_ARM620 0x41560620
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/* ARM7 CPUs -- [15:12] == 7 */
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#define CPU_ID_ARM700 0x41007000 /* XXX This is a guess. */
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#define CPU_ID_ARM710 0x41007100
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#define CPU_ID_ARM7500 0x41027100
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#define CPU_ID_ARM710A 0x41047100 /* inc ARM7100 */
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#define CPU_ID_ARM7500FE 0x41077100
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#define CPU_ID_ARM710T 0x41807100
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#define CPU_ID_ARM720T 0x41807200
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#define CPU_ID_ARM740T8K 0x41807400 /* XXX no MMU, 8KB cache */
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#define CPU_ID_ARM740T4K 0x41817400 /* XXX no MMU, 4KB cache */
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/* Post-ARM7 CPUs */
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#define CPU_ID_ARM810 0x41018100
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#define CPU_ID_ARM920T 0x41129200
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#define CPU_ID_ARM922T 0x41029220
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#define CPU_ID_ARM926EJS 0x41069260
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#define CPU_ID_ARM940T 0x41029400 /* XXX no MMU */
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#define CPU_ID_ARM946ES 0x41049460 /* XXX no MMU */
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#define CPU_ID_ARM966ES 0x41049660 /* XXX no MMU */
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#define CPU_ID_ARM966ESR1 0x41059660 /* XXX no MMU */
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#define CPU_ID_ARM1020E 0x4115a200 /* (AKA arm10 rev 1) */
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#define CPU_ID_ARM1022ES 0x4105a220
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#define CPU_ID_ARM1026EJS 0x4106a260
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#define CPU_ID_ARM11MPCORE 0x410fb020
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#define CPU_ID_ARM1136JS 0x4107b360
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#define CPU_ID_ARM1136JSR1 0x4117b360
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#define CPU_ID_ARM1156T2S 0x4107b560 /* MPU only */
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#define CPU_ID_ARM1176JZS 0x410fb760
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#define CPU_ID_ARM11_P(n) ((n & 0xff07f000) == 0x4107b000)
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#define CPU_ID_CORTEXA5R0 0x410fc050
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#define CPU_ID_CORTEXA8R1 0x411fc080
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#define CPU_ID_CORTEXA8R2 0x412fc080
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#define CPU_ID_CORTEXA8R3 0x413fc080
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#define CPU_ID_CORTEXA9R2 0x411fc090
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#define CPU_ID_CORTEXA9R3 0x412fc090
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#define CPU_ID_CORTEXA9R4 0x413fc090
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#define CPU_ID_CORTEXA15R2 0x412fc0f0
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#define CPU_ID_CORTEXA15R3 0x413fc0f0
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#define CPU_ID_CORTEX_P(n) ((n & 0xff0ff000) == 0x410fc000)
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#define CPU_ID_CORTEX_A8_P(n) ((n & 0xff0ff0f0) == 0x410fc080)
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#define CPU_ID_CORTEX_A9_P(n) ((n & 0xff0ff0f0) == 0x410fc090)
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#define CPU_ID_SA110 0x4401a100
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#define CPU_ID_SA1100 0x4401a110
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#define CPU_ID_TI925T 0x54029250
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#define CPU_ID_MV88FR571_VD 0x56155710
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#define CPU_ID_MV88SV131 0x56251310
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#define CPU_ID_FA526 0x66015260
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#define CPU_ID_SA1110 0x6901b110
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#define CPU_ID_IXP1200 0x6901c120
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#define CPU_ID_80200 0x69052000
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#define CPU_ID_PXA250 0x69052100 /* sans core revision */
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#define CPU_ID_PXA210 0x69052120
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#define CPU_ID_PXA250A 0x69052100 /* 1st version Core */
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#define CPU_ID_PXA210A 0x69052120 /* 1st version Core */
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#define CPU_ID_PXA250B 0x69052900 /* 3rd version Core */
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#define CPU_ID_PXA210B 0x69052920 /* 3rd version Core */
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#define CPU_ID_PXA250C 0x69052d00 /* 4th version Core */
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#define CPU_ID_PXA210C 0x69052d20 /* 4th version Core */
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#define CPU_ID_PXA27X 0x69054110
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#define CPU_ID_80321_400 0x69052420
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#define CPU_ID_80321_600 0x69052430
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#define CPU_ID_80321_400_B0 0x69052c20
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#define CPU_ID_80321_600_B0 0x69052c30
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#define CPU_ID_80219_400 0x69052e20
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#define CPU_ID_80219_600 0x69052e30
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#define CPU_ID_IXP425_533 0x690541c0
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#define CPU_ID_IXP425_400 0x690541d0
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#define CPU_ID_IXP425_266 0x690541f0
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/* ARM3-specific coprocessor 15 registers */
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#define ARM3_CP15_FLUSH 1
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#define ARM3_CP15_CONTROL 2
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#define ARM3_CP15_CACHEABLE 3
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#define ARM3_CP15_UPDATEABLE 4
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#define ARM3_CP15_DISRUPTIVE 5
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/* ARM3 Control register bits */
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#define ARM3_CTL_CACHE_ON 0x00000001
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#define ARM3_CTL_SHARED 0x00000002
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#define ARM3_CTL_MONITOR 0x00000004
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/*
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* Post-ARM3 CP15 registers:
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*
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* 1 Control register
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*
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* 2 Translation Table Base
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*
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* 3 Domain Access Control
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*
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* 4 Reserved
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||||
*
|
||||
* 5 Fault Status
|
||||
*
|
||||
* 6 Fault Address
|
||||
*
|
||||
* 7 Cache/write-buffer Control
|
||||
*
|
||||
* 8 TLB Control
|
||||
*
|
||||
* 9 Cache Lockdown
|
||||
*
|
||||
* 10 TLB Lockdown
|
||||
*
|
||||
* 11 Reserved
|
||||
*
|
||||
* 12 Reserved
|
||||
*
|
||||
* 13 Process ID (for FCSE)
|
||||
*
|
||||
* 14 Reserved
|
||||
*
|
||||
* 15 Implementation Dependent
|
||||
*/
|
||||
|
||||
/* Some of the definitions below need cleaning up for V3/V4 architectures */
|
||||
|
||||
/* CPU control register (CP15 register 1) */
|
||||
#define CPU_CONTROL_MMU_ENABLE 0x00000001 /* M: MMU/Protection unit enable */
|
||||
#define CPU_CONTROL_AFLT_ENABLE 0x00000002 /* A: Alignment fault enable */
|
||||
#define CPU_CONTROL_DC_ENABLE 0x00000004 /* C: IDC/DC enable */
|
||||
#define CPU_CONTROL_WBUF_ENABLE 0x00000008 /* W: Write buffer enable */
|
||||
#define CPU_CONTROL_32BP_ENABLE 0x00000010 /* P: 32-bit exception handlers */
|
||||
#define CPU_CONTROL_32BD_ENABLE 0x00000020 /* D: 32-bit addressing */
|
||||
#define CPU_CONTROL_LABT_ENABLE 0x00000040 /* L: Late abort enable */
|
||||
#define CPU_CONTROL_BEND_ENABLE 0x00000080 /* B: Big-endian mode */
|
||||
#define CPU_CONTROL_SYST_ENABLE 0x00000100 /* S: System protection bit */
|
||||
#define CPU_CONTROL_ROM_ENABLE 0x00000200 /* R: ROM protection bit */
|
||||
#define CPU_CONTROL_CPCLK 0x00000400 /* F: Implementation defined */
|
||||
#define CPU_CONTROL_SWP_ENABLE 0x00000400 /* SW: SWP{B} perform normally. */
|
||||
#define CPU_CONTROL_BPRD_ENABLE 0x00000800 /* Z: Branch prediction enable */
|
||||
#define CPU_CONTROL_IC_ENABLE 0x00001000 /* I: IC enable */
|
||||
#define CPU_CONTROL_VECRELOC 0x00002000 /* V: Vector relocation */
|
||||
#define CPU_CONTROL_ROUNDROBIN 0x00004000 /* RR: Predictable replacement */
|
||||
#define CPU_CONTROL_V4COMPAT 0x00008000 /* L4: ARMv4 compat LDR R15 etc */
|
||||
#define CPU_CONTROL_FI_ENABLE 0x00200000 /* FI: Low interrupt latency */
|
||||
#define CPU_CONTROL_UNAL_ENABLE 0x00400000 /* U: unaligned data access */
|
||||
#define CPU_CONTROL_XP_ENABLE 0x00800000 /* XP: extended page table */
|
||||
#define CPU_CONTROL_V_ENABLE 0x01000000 /* VE: Interrupt vectors enable */
|
||||
#define CPU_CONTROL_EX_BEND 0x02000000 /* EE: exception endianness */
|
||||
#define CPU_CONTROL_NMFI 0x08000000 /* NMFI: Non maskable FIQ */
|
||||
#define CPU_CONTROL_TR_ENABLE 0x10000000 /* TRE: */
|
||||
#define CPU_CONTROL_AF_ENABLE 0x20000000 /* AFE: Access flag enable */
|
||||
#define CPU_CONTROL_TE_ENABLE 0x40000000 /* TE: Thumb Exception enable */
|
||||
|
||||
#define CPU_CONTROL_IDC_ENABLE CPU_CONTROL_DC_ENABLE
|
||||
|
||||
/* ARMv6/ARMv7 Co-Processor Access Control Register (CP15, 0, c1, c0, 2) */
|
||||
#define CPACR_V7_ASEDIS 0x80000000 /* Disable Advanced SIMD Ext. */
|
||||
#define CPACR_V7_D32DIS 0x40000000 /* Disable VFP regs 15-31 */
|
||||
#define CPACR_CPn(n) (3 << (2*n))
|
||||
#define CPACR_NOACCESS 0 /* reset value */
|
||||
#define CPACR_PRIVED 1 /* Privileged mode access */
|
||||
#define CPACR_RESERVED 2
|
||||
#define CPACR_ALL 3 /* Privileged and User mode access */
|
||||
|
||||
/* ARM11x6 Auxiliary Control Register (CP15 register 1, opcode2 1) */
|
||||
#define ARM11X6_AUXCTL_RS 0x00000001 /* return stack */
|
||||
#define ARM11X6_AUXCTL_DB 0x00000002 /* dynamic branch prediction */
|
||||
#define ARM11X6_AUXCTL_SB 0x00000004 /* static branch prediction */
|
||||
#define ARM11X6_AUXCTL_TR 0x00000008 /* MicroTLB replacement strat. */
|
||||
#define ARM11X6_AUXCTL_EX 0x00000010 /* exclusive L1/L2 cache */
|
||||
#define ARM11X6_AUXCTL_RA 0x00000020 /* clean entire cache disable */
|
||||
#define ARM11X6_AUXCTL_RV 0x00000040 /* block transfer cache disable */
|
||||
#define ARM11X6_AUXCTL_CZ 0x00000080 /* restrict cache size */
|
||||
|
||||
/* ARM1136 Auxiliary Control Register (CP15 register 1, opcode2 1) */
|
||||
#define ARM1136_AUXCTL_PFI 0x80000000 /* PFI: partial FI mode. */
|
||||
/* This is an undocumented flag
|
||||
* used to work around a cache bug
|
||||
* in r0 steppings. See errata
|
||||
* 364296.
|
||||
*/
|
||||
/* ARM1176 Auxiliary Control Register (CP15 register 1, opcode2 1) */
|
||||
#define ARM1176_AUXCTL_PHD 0x10000000 /* inst. prefetch halting disable */
|
||||
#define ARM1176_AUXCTL_BFD 0x20000000 /* branch folding disable */
|
||||
#define ARM1176_AUXCTL_FSD 0x40000000 /* force speculative ops disable */
|
||||
#define ARM1176_AUXCTL_FIO 0x80000000 /* low intr latency override */
|
||||
|
||||
/* Cortex-A9 Auxiliary Control Register (CP15 register 1, opcode2 1) */
|
||||
#define CORTEXA9_AUXCTL_PARITY 0x00000200 /* Enable parity */
|
||||
#define CORTEXA9_AUXCTL_1WAY 0x00000100 /* Alloc in one way only */
|
||||
#define CORTEXA9_AUXCTL_EXCL 0x00000080 /* Exclusive cache */
|
||||
#define CORTEXA9_AUXCTL_SMP 0x00000040 /* CPU is in SMP mode */
|
||||
#define CORTEXA9_AUXCTL_WRZERO 0x00000008 /* Write full line of zeroes */
|
||||
#define CORTEXA9_AUXCTL_L1PLD 0x00000004 /* L1 Dside prefetch */
|
||||
#define CORTEXA9_AUXCTL_L2PLD 0x00000002 /* L2 Dside prefetch */
|
||||
#define CORTEXA9_AUXCTL_FW 0x00000001 /* Forward Cache/TLB ops */
|
||||
|
||||
/* XScale Auxiliary Control Register (CP15 register 1, opcode2 1) */
|
||||
#define XSCALE_AUXCTL_K 0x00000001 /* dis. write buffer coalescing */
|
||||
#define XSCALE_AUXCTL_P 0x00000002 /* ECC protect page table access */
|
||||
#define XSCALE_AUXCTL_MD_WB_RA 0x00000000 /* mini-D$ wb, read-allocate */
|
||||
#define XSCALE_AUXCTL_MD_WB_RWA 0x00000010 /* mini-D$ wb, read/write-allocate */
|
||||
#define XSCALE_AUXCTL_MD_WT 0x00000020 /* mini-D$ wt, read-allocate */
|
||||
#define XSCALE_AUXCTL_MD_MASK 0x00000030
|
||||
|
||||
/* ARM11 MPCore Auxiliary Control Register (CP15 register 1, opcode2 1) */
|
||||
#define MPCORE_AUXCTL_RS 0x00000001 /* return stack */
|
||||
#define MPCORE_AUXCTL_DB 0x00000002 /* dynamic branch prediction */
|
||||
#define MPCORE_AUXCTL_SB 0x00000004 /* static branch prediction */
|
||||
#define MPCORE_AUXCTL_F 0x00000008 /* instruction folding enable */
|
||||
#define MPCORE_AUXCTL_EX 0x00000010 /* exclusive L1/L2 cache */
|
||||
#define MPCORE_AUXCTL_SA 0x00000020 /* SMP/AMP */
|
||||
|
||||
/* Cortex-A9 Auxiliary Control Register (CP15 register 1, opcode 1) */
|
||||
#define CORTEXA9_AUXCTL_FW 0x00000001 /* Cache and TLB updates broadcast */
|
||||
#define CORTEXA9_AUXCTL_L2_PLD 0x00000002 /* Prefetch hint enable */
|
||||
#define CORTEXA9_AUXCTL_L1_PLD 0x00000004 /* Data prefetch hint enable */
|
||||
#define CORTEXA9_AUXCTL_WR_ZERO 0x00000008 /* Ena. write full line of 0s mode */
|
||||
#define CORTEXA9_AUXCTL_SMP 0x00000040 /* Coherency is active */
|
||||
#define CORTEXA9_AUXCTL_EXCL 0x00000080 /* Exclusive cache bit */
|
||||
#define CORTEXA9_AUXCTL_ONEWAY 0x00000100 /* Allocate in on cache way only */
|
||||
#define CORTEXA9_AUXCTL_PARITY 0x00000200 /* Support parity checking */
|
||||
|
||||
/* Marvell Feroceon Extra Features Register (CP15 register 1, opcode2 0) */
|
||||
#define FC_DCACHE_REPL_LOCK 0x80000000 /* Replace DCache Lock */
|
||||
#define FC_DCACHE_STREAM_EN 0x20000000 /* DCache Streaming Switch */
|
||||
#define FC_WR_ALLOC_EN 0x10000000 /* Enable Write Allocate */
|
||||
#define FC_L2_PREF_DIS 0x01000000 /* L2 Cache Prefetch Disable */
|
||||
#define FC_L2_INV_EVICT_LINE 0x00800000 /* L2 Invalidates Uncorrectable Error Line Eviction */
|
||||
#define FC_L2CACHE_EN 0x00400000 /* L2 enable */
|
||||
#define FC_ICACHE_REPL_LOCK 0x00080000 /* Replace ICache Lock */
|
||||
#define FC_GLOB_HIST_REG_EN 0x00040000 /* Branch Global History Register Enable */
|
||||
#define FC_BRANCH_TARG_BUF_DIS 0x00020000 /* Branch Target Buffer Disable */
|
||||
#define FC_L1_PAR_ERR_EN 0x00010000 /* L1 Parity Error Enable */
|
||||
|
||||
/* Cache type register definitions 0 */
|
||||
#define CPU_CT_FORMAT(x) (((x) >> 29) & 0x7) /* reg format */
|
||||
#define CPU_CT_ISIZE(x) ((x) & 0xfff) /* I$ info */
|
||||
#define CPU_CT_DSIZE(x) (((x) >> 12) & 0xfff) /* D$ info */
|
||||
#define CPU_CT_S (1U << 24) /* split cache */
|
||||
#define CPU_CT_CTYPE(x) (((x) >> 25) & 0xf) /* cache type */
|
||||
|
||||
#define CPU_CT_CTYPE_WT 0 /* write-through */
|
||||
#define CPU_CT_CTYPE_WB1 1 /* write-back, clean w/ read */
|
||||
#define CPU_CT_CTYPE_WB2 2 /* w/b, clean w/ cp15,7 */
|
||||
#define CPU_CT_CTYPE_WB6 6 /* w/b, cp15,7, lockdown fmt A */
|
||||
#define CPU_CT_CTYPE_WB7 7 /* w/b, cp15,7, lockdown fmt B */
|
||||
#define CPU_CT_CTYPE_WB14 14 /* w/b, cp15,7, lockdown fmt C */
|
||||
|
||||
#define CPU_CT_xSIZE_LEN(x) ((x) & 0x3) /* line size */
|
||||
#define CPU_CT_xSIZE_M (1U << 2) /* multiplier */
|
||||
#define CPU_CT_xSIZE_ASSOC(x) (((x) >> 3) & 0x7) /* associativity */
|
||||
#define CPU_CT_xSIZE_SIZE(x) (((x) >> 6) & 0x7) /* size */
|
||||
#define CPU_CT_xSIZE_P (1U << 11) /* need to page-color */
|
||||
|
||||
/* format 4 definitions */
|
||||
#define CPU_CT4_ILINE(x) ((x) & 0xf) /* I$ line size */
|
||||
#define CPU_CT4_DLINE(x) (((x) >> 16) & 0xf) /* D$ line size */
|
||||
#define CPU_CT4_L1IPOLICY(x) (((x) >> 14) & 0x3) /* I$ policy */
|
||||
#define CPU_CT4_L1_AIVIVT 1 /* ASID tagged VIVT */
|
||||
#define CPU_CT4_L1_VIPT 2 /* VIPT */
|
||||
#define CPU_CT4_L1_PIPT 3 /* PIPT */
|
||||
#define CPU_CT4_ERG(x) (((x) >> 20) & 0xf) /* Cache WriteBack Granule */
|
||||
#define CPU_CT4_CWG(x) (((x) >> 24) & 0xf) /* Exclusive Resv. Granule */
|
||||
|
||||
/* Cache size identifaction register definitions 1, Rd, c0, c0, 0 */
|
||||
#define CPU_CSID_CTYPE_WT 0x80000000 /* write-through avail */
|
||||
#define CPU_CSID_CTYPE_WB 0x40000000 /* write-back avail */
|
||||
#define CPU_CSID_CTYPE_RA 0x20000000 /* read-allocation avail */
|
||||
#define CPU_CSID_CTYPE_WA 0x10000000 /* write-allocation avail */
|
||||
#define CPU_CSID_NUMSETS(x) (((x) >> 13) & 0x7fff)
|
||||
#define CPU_CSID_ASSOC(x) (((x) >> 3) & 0x1ff)
|
||||
#define CPU_CSID_LEN(x) ((x) & 0x07)
|
||||
|
||||
/* Cache size selection register definitions 2, Rd, c0, c0, 0 */
|
||||
#define CPU_CSSR_L2 0x00000002
|
||||
#define CPU_CSSR_L1 0x00000000
|
||||
#define CPU_CSSR_InD 0x00000001
|
||||
|
||||
/* Fault status register definitions */
|
||||
|
||||
#define FAULT_TYPE_MASK 0x0f
|
||||
#define FAULT_USER 0x10
|
||||
|
||||
#define FAULT_WRTBUF_0 0x00 /* Vector Exception */
|
||||
#define FAULT_WRTBUF_1 0x02 /* Terminal Exception */
|
||||
#define FAULT_BUSERR_0 0x04 /* External Abort on Linefetch -- Section */
|
||||
#define FAULT_BUSERR_1 0x06 /* External Abort on Linefetch -- Page */
|
||||
#define FAULT_BUSERR_2 0x08 /* External Abort on Non-linefetch -- Section */
|
||||
#define FAULT_BUSERR_3 0x0a /* External Abort on Non-linefetch -- Page */
|
||||
#define FAULT_BUSTRNL1 0x0c /* External abort on Translation -- Level 1 */
|
||||
#define FAULT_BUSTRNL2 0x0e /* External abort on Translation -- Level 2 */
|
||||
#define FAULT_ALIGN_0 0x01 /* Alignment */
|
||||
#define FAULT_ALIGN_1 0x03 /* Alignment */
|
||||
#define FAULT_TRANS_S 0x05 /* Translation -- Section */
|
||||
#define FAULT_TRANS_P 0x07 /* Translation -- Page */
|
||||
#define FAULT_DOMAIN_S 0x09 /* Domain -- Section */
|
||||
#define FAULT_DOMAIN_P 0x0b /* Domain -- Page */
|
||||
#define FAULT_PERM_S 0x0d /* Permission -- Section */
|
||||
#define FAULT_PERM_P 0x0f /* Permission -- Page */
|
||||
|
||||
#define FAULT_IMPRECISE 0x400 /* Imprecise exception (XSCALE) */
|
||||
|
||||
/*
|
||||
* Address of the vector page, low and high versions.
|
||||
*/
|
||||
#define ARM_VECTORS_LOW 0x00000000U
|
||||
#define ARM_VECTORS_HIGH 0xffff0000U
|
||||
|
||||
/*
|
||||
* ARM Instructions
|
||||
*
|
||||
* 3 3 2 2 2
|
||||
* 1 0 9 8 7 0
|
||||
* +-------+-------------------------------------------------------+
|
||||
* | cond | instruction dependent |
|
||||
* |c c c c| |
|
||||
* +-------+-------------------------------------------------------+
|
||||
*/
|
||||
|
||||
#define INSN_SIZE 4 /* Always 4 bytes */
|
||||
#define INSN_COND_MASK 0xf0000000 /* Condition mask */
|
||||
#define INSN_COND_AL 0xe0000000 /* Always condition */
|
||||
|
||||
#define THUMB_INSN_SIZE 2 /* Some are 4 bytes. */
|
||||
|
||||
/*
|
||||
* Defines and such for arm11 Performance Monitor Counters (p15, c15, c12, 0)
|
||||
*/
|
||||
#define ARM11_PMCCTL_E __BIT(0) /* enable all three counters */
|
||||
#define ARM11_PMCCTL_P __BIT(1) /* reset both Count Registers to zero */
|
||||
#define ARM11_PMCCTL_C __BIT(2) /* reset the Cycle Counter Register to zero */
|
||||
#define ARM11_PMCCTL_D __BIT(3) /* cycle count divide by 64 */
|
||||
#define ARM11_PMCCTL_EC0 __BIT(4) /* Enable Counter Register 0 interrupt */
|
||||
#define ARM11_PMCCTL_EC1 __BIT(5) /* Enable Counter Register 1 interrupt */
|
||||
#define ARM11_PMCCTL_ECC __BIT(6) /* Enable Cycle Counter interrupt */
|
||||
#define ARM11_PMCCTL_SBZa __BIT(7) /* UNP/SBZ */
|
||||
#define ARM11_PMCCTL_CR0 __BIT(8) /* Count Register 0 overflow flag */
|
||||
#define ARM11_PMCCTL_CR1 __BIT(9) /* Count Register 1 overflow flag */
|
||||
#define ARM11_PMCCTL_CCR __BIT(10) /* Cycle Count Register overflow flag */
|
||||
#define ARM11_PMCCTL_X __BIT(11) /* Enable Export of the events to the event bus */
|
||||
#define ARM11_PMCCTL_EVT1 __BITS(19,12) /* source of events for Count Register 1 */
|
||||
#define ARM11_PMCCTL_EVT0 __BITS(27,20) /* source of events for Count Register 0 */
|
||||
#define ARM11_PMCCTL_SBZb __BITS(31,28) /* UNP/SBZ */
|
||||
#define ARM11_PMCCTL_SBZ \
|
||||
(ARM11_PMCCTL_SBZa | ARM11_PMCCTL_SBZb)
|
||||
|
||||
#define ARM11_PMCEVT_ICACHE_MISS 0 /* Instruction Cache Miss */
|
||||
#define ARM11_PMCEVT_ISTREAM_STALL 1 /* Instruction Stream Stall */
|
||||
#define ARM11_PMCEVT_IUTLB_MISS 2 /* Instruction uTLB Miss */
|
||||
#define ARM11_PMCEVT_DUTLB_MISS 3 /* Data uTLB Miss */
|
||||
#define ARM11_PMCEVT_BRANCH 4 /* Branch Inst. Executed */
|
||||
#define ARM11_PMCEVT_BRANCH_MISS 6 /* Branch mispredicted */
|
||||
#define ARM11_PMCEVT_INST_EXEC 7 /* Instruction Executed */
|
||||
#define ARM11_PMCEVT_DCACHE_ACCESS0 9 /* Data Cache Access */
|
||||
#define ARM11_PMCEVT_DCACHE_ACCESS1 10 /* Data Cache Access */
|
||||
#define ARM11_PMCEVT_DCACHE_MISS 11 /* Data Cache Miss */
|
||||
#define ARM11_PMCEVT_DCACHE_WRITEBACK 12 /* Data Cache Writeback */
|
||||
#define ARM11_PMCEVT_PC_CHANGE 13 /* Software PC change */
|
||||
#define ARM11_PMCEVT_TLB_MISS 15 /* Main TLB Miss */
|
||||
#define ARM11_PMCEVT_DATA_ACCESS 16 /* non-cached data access */
|
||||
#define ARM11_PMCEVT_LSU_STALL 17 /* Load/Store Unit stall */
|
||||
#define ARM11_PMCEVT_WBUF_DRAIN 18 /* Write buffer drained */
|
||||
#define ARM11_PMCEVT_ETMEXTOUT0 32 /* ETMEXTOUT[0] asserted */
|
||||
#define ARM11_PMCEVT_ETMEXTOUT1 33 /* ETMEXTOUT[1] asserted */
|
||||
#define ARM11_PMCEVT_ETMEXTOUT 34 /* ETMEXTOUT[0 & 1] */
|
||||
#define ARM11_PMCEVT_CALL_EXEC 35 /* Procedure call executed */
|
||||
#define ARM11_PMCEVT_RETURN_EXEC 36 /* Return executed */
|
||||
#define ARM11_PMCEVT_RETURN_HIT 37 /* return address predicted */
|
||||
#define ARM11_PMCEVT_RETURN_MISS 38 /* return addr. mispredicted */
|
||||
#define ARM11_PMCEVT_CYCLE 255 /* Increment each cycle */
|
||||
|
||||
/* Defines for ARM CORTEX performance counters */
|
||||
#define CORTEX_CNTENS_C __BIT(31) /* Enables the cycle counter */
|
||||
#define CORTEX_CNTENC_C __BIT(31) /* Disables the cycle counter */
|
||||
#define CORTEX_CNTOFL_C __BIT(31) /* Cycle counter overflow flag */
|
||||
|
||||
#if !defined(__ASSEMBLER__)
|
||||
#define ARMREG_READ_INLINE(name, __insnstring) \
|
||||
static inline uint32_t armreg_##name##_read(void) \
|
||||
{ \
|
||||
uint32_t __rv; \
|
||||
__asm __volatile("mrc " __insnstring : "=r"(__rv)); \
|
||||
return __rv; \
|
||||
}
|
||||
|
||||
#define ARMREG_WRITE_INLINE(name, __insnstring) \
|
||||
static inline void armreg_##name##_write(uint32_t __val) \
|
||||
{ \
|
||||
__asm __volatile("mcr " __insnstring :: "r"(__val)); \
|
||||
}
|
||||
|
||||
/* c0 registers */
|
||||
ARMREG_READ_INLINE(midr, "p15,0,%0,c0,c0,0") /* Main ID Register */
|
||||
ARMREG_READ_INLINE(ctr, "p15,0,%0,c0,c0,1") /* Cache Type Register */
|
||||
ARMREG_READ_INLINE(mpidr, "p15,0,%0,c0,c0,5") /* Multiprocess Affinity Register */
|
||||
ARMREG_READ_INLINE(pfr0, "p15,0,%0,c0,c1,0") /* Processor Feature Register 0 */
|
||||
ARMREG_READ_INLINE(pfr1, "p15,0,%0,c0,c1,1") /* Processor Feature Register 1 */
|
||||
ARMREG_READ_INLINE(mmfr0, "p15,0,%0,c0,c1,4") /* Memory Model Feature Register 0 */
|
||||
ARMREG_READ_INLINE(mmfr1, "p15,0,%0,c0,c1,5") /* Memory Model Feature Register 1 */
|
||||
ARMREG_READ_INLINE(mmfr2, "p15,0,%0,c0,c1,6") /* Memory Model Feature Register 2 */
|
||||
ARMREG_READ_INLINE(mmfr3, "p15,0,%0,c0,c1,7") /* Memory Model Feature Register 3 */
|
||||
ARMREG_READ_INLINE(isar0, "p15,0,%0,c0,c2,0") /* Instruction Set Attribute Register 0 */
|
||||
ARMREG_READ_INLINE(isar1, "p15,0,%0,c0,c2,1") /* Instruction Set Attribute Register 1 */
|
||||
ARMREG_READ_INLINE(isar2, "p15,0,%0,c0,c2,2") /* Instruction Set Attribute Register 2 */
|
||||
ARMREG_READ_INLINE(isar3, "p15,0,%0,c0,c2,3") /* Instruction Set Attribute Register 3 */
|
||||
ARMREG_READ_INLINE(isar4, "p15,0,%0,c0,c2,4") /* Instruction Set Attribute Register 4 */
|
||||
ARMREG_READ_INLINE(isar5, "p15,0,%0,c0,c2,5") /* Instruction Set Attribute Register 5 */
|
||||
ARMREG_READ_INLINE(ccsidr, "p15,1,%0,c0,c0,0") /* Cache Size ID Register */
|
||||
ARMREG_READ_INLINE(clidr, "p15,1,%0,c0,c0,1") /* Cache Level ID Register */
|
||||
ARMREG_READ_INLINE(csselr, "p15,2,%0,c0,c0,0") /* Cache Size Selection Register */
|
||||
ARMREG_WRITE_INLINE(csselr, "p15,2,%0,c0,c0,0") /* Cache Size Selection Register */
|
||||
/* c1 registers */
|
||||
ARMREG_READ_INLINE(auxctl, "p15,0,%0,c1,c0,1") /* Auxiliary Control Register */
|
||||
ARMREG_WRITE_INLINE(auxctl, "p15,0,%0,c1,c0,1") /* Auxiliary Control Register */
|
||||
ARMREG_READ_INLINE(cpacr, "p15,0,%0,c1,c0,2") /* Co-Processor Access Control Register */
|
||||
ARMREG_WRITE_INLINE(cpacr, "p15,0,%0,c1,c0,2") /* Co-Processor Access Control Register */
|
||||
/* c2 registers */
|
||||
ARMREG_READ_INLINE(ttbr, "p15,0,%0,c2,c0,0") /* Translation Table Base Register 0 */
|
||||
ARMREG_WRITE_INLINE(ttbr, "p15,0,%0,c2,c0,0") /* Translation Table Base Register 0 */
|
||||
ARMREG_READ_INLINE(ttbr1, "p15,0,%0,c2,c0,1") /* Translation Table Base Register 1 */
|
||||
ARMREG_WRITE_INLINE(ttbr1, "p15,0,%0,c2,c0,1") /* Translation Table Base Register 1 */
|
||||
ARMREG_READ_INLINE(ttbcr, "p15,0,%0,c2,c0,2") /* Translation Table Base Register */
|
||||
ARMREG_WRITE_INLINE(ttbcr, "p15,0,%0,c2,c0,2") /* Translation Table Base Register */
|
||||
/* c5 registers */
|
||||
ARMREG_READ_INLINE(dfsr, "p15,0,%0,c5,c0,0") /* Data Fault Status Register */
|
||||
ARMREG_READ_INLINE(ifsr, "p15,0,%0,c5,c0,1") /* Instruction Fault Status Register */
|
||||
/* c6 registers */
|
||||
ARMREG_READ_INLINE(dfar, "p15,0,%0,c6,c0,0") /* Data Fault Address Register */
|
||||
ARMREG_READ_INLINE(ifar, "p15,0,%0,c6,c0,2") /* Instruction Fault Address Register */
|
||||
/* c7 registers */
|
||||
ARMREG_WRITE_INLINE(icialluis, "p15,0,%0,c7,c1,0") /* Instruction Inv All (IS) */
|
||||
ARMREG_WRITE_INLINE(bpiallis, "p15,0,%0,c7,c1,6") /* Branch Invalidate All (IS) */
|
||||
ARMREG_READ_INLINE(par, "p15,0,%0,c7,c4,0") /* Physical Address Register */
|
||||
ARMREG_WRITE_INLINE(iciallu, "p15,0,%0,c7,c5,0") /* Instruction Invalidate All */
|
||||
ARMREG_WRITE_INLINE(icimvau, "p15,0,%0,c7,c5,1") /* Instruction Invalidate MVA */
|
||||
ARMREG_WRITE_INLINE(isb, "p15,0,%0,c7,c5,4") /* Instruction Synchronization Barrier */
|
||||
ARMREG_WRITE_INLINE(bpiall, "p15,0,%0,c5,c1,6") /* Breakpoint Invalidate All */
|
||||
ARMREG_WRITE_INLINE(dcimvac, "p15,0,%0,c7,c6,1") /* Data Invalidate MVA to PoC */
|
||||
ARMREG_WRITE_INLINE(dcisw, "p15,0,%0,c7,c6,2") /* Data Invalidate Set/Way */
|
||||
ARMREG_WRITE_INLINE(ats1cpr, "p15,0,%0,c7,c8,0") /* AddrTrans CurState PL1 Read */
|
||||
ARMREG_WRITE_INLINE(dccmvac, "p15,0,%0,c7,c10,1") /* Data Clean MVA to PoC */
|
||||
ARMREG_WRITE_INLINE(dccsw, "p15,0,%0,c7,c10,2") /* Data Clean Set/Way */
|
||||
ARMREG_WRITE_INLINE(dsb, "p15,0,%0,c7,c10,4") /* Data Synchronization Barrier */
|
||||
ARMREG_WRITE_INLINE(dmb, "p15,0,%0,c7,c10,5") /* Data Memory Barrier */
|
||||
ARMREG_WRITE_INLINE(dccmvau, "p15,0,%0,c7,c14,1") /* Data Clean MVA to PoU */
|
||||
ARMREG_WRITE_INLINE(dccimvac, "p15,0,%0,c7,c14,1") /* Data Clean&Inv MVA to PoC */
|
||||
ARMREG_WRITE_INLINE(dccisw, "p15,0,%0,c7,c14,2") /* Data Clean&Inv Set/Way */
|
||||
/* c9 registers */
|
||||
ARMREG_READ_INLINE(pmcr, "p15,0,%0,c9,c12,0") /* PMC Control Register */
|
||||
ARMREG_WRITE_INLINE(pmcr, "p15,0,%0,c9,c12,0") /* PMC Control Register */
|
||||
ARMREG_READ_INLINE(pmcntenset, "p15,0,%0,c9,c12,1") /* PMC Count Enable Set */
|
||||
ARMREG_WRITE_INLINE(pmcntenset, "p15,0,%0,c9,c12,1") /* PMC Count Enable Set */
|
||||
ARMREG_READ_INLINE(pmcntenclr, "p15,0,%0,c9,c12,2") /* PMC Count Enable Clear */
|
||||
ARMREG_WRITE_INLINE(pmcntenclr, "p15,0,%0,c9,c12,2") /* PMC Count Enable Clear */
|
||||
ARMREG_READ_INLINE(pmovsr, "p15,0,%0,c9,c12,3") /* PMC Overflow Flag Status */
|
||||
ARMREG_WRITE_INLINE(pmovsr, "p15,0,%0,c9,c12,3") /* PMC Overflow Flag Status */
|
||||
ARMREG_READ_INLINE(pmccntr, "p15,0,%0,c9,c13,0") /* PMC Cycle Counter */
|
||||
ARMREG_WRITE_INLINE(pmccntr, "p15,0,%0,c9,c13,0") /* PMC Cycle Counter */
|
||||
/* c13 registers */
|
||||
ARMREG_READ_INLINE(tpidrprw, "p15,0,%0,c13,c0,4") /* PL1 only Thread ID Register */
|
||||
ARMREG_WRITE_INLINE(tpidrprw, "p15,0,%0,c13,c0,4") /* PL1 only Thread ID Register */
|
||||
ARMREG_READ_INLINE(cbar, "p15,4,%0,c15,c0,0") /* Configuration Base Address Register */
|
||||
/* c13 registers */
|
||||
ARMREG_READ_INLINE(pmcrv6, "p15,0,%0,c15,c12,0") /* PMC Control Register (armv6) */
|
||||
ARMREG_WRITE_INLINE(pmcrv6, "p15,0,%0,c15,c12,0") /* PMC Control Register (armv6) */
|
||||
ARMREG_READ_INLINE(pmccntrv6, "p15,0,%0,c15,c12,1") /* PMC Cycle Counter (armv6) */
|
||||
ARMREG_WRITE_INLINE(pmccntrv6, "p15,0,%0,c15,c12,1") /* PMC Cycle Counter (armv6) */
|
||||
|
||||
#endif /* !__ASSEMBLER__ */
|
||||
|
||||
|
||||
#define MPIDR_31 0x80000000
|
||||
#define MPIDR_U 0x40000000 // 1 = Uniprocessor
|
||||
#define MPIDR_MT 0x01000000 // AFF0 for SMT
|
||||
#define MPIDR_AFF2 0x00ff0000
|
||||
#define MPIDR_AFF1 0x0000ff00
|
||||
#define MPIDR_AFF0 0x000000ff
|
||||
|
||||
#endif /* _ARM_ARMREG_H */
|
||||
|
|
@ -1,55 +1,417 @@
|
|||
/* cpu.h,v 1.45.4.7 2008/01/28 18:20:39 matt Exp */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1994-1996 Mark Brinicombe.
|
||||
* Copyright (c) 1994 Brini.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software written for Brini by Mark Brinicombe
|
||||
*
|
||||
* 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 Brini.
|
||||
* 4. The name of the company nor the name of the author may be used to
|
||||
* endorse or promote products derived from this software without specific
|
||||
* prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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.
|
||||
*
|
||||
* RiscBSD kernel project
|
||||
*
|
||||
* cpu.h
|
||||
*
|
||||
* CPU specific symbols
|
||||
*
|
||||
* Created : 18/09/94
|
||||
*
|
||||
* Based on kate/katelib/arm6.h
|
||||
*/
|
||||
|
||||
#ifndef _ARM_CPU_H_
|
||||
#define _ARM_CPU_H_
|
||||
|
||||
/*
|
||||
* User-visible definitions
|
||||
*/
|
||||
|
||||
/* xPSR - Program Status Registers */
|
||||
#define PSR_T (1 << 5) /* Thumb execution state bit */
|
||||
#define PSR_F (1 << 6) /* FIQ mask bit */
|
||||
#define PSR_I (1 << 7) /* IRQ mask bit */
|
||||
#define PSR_A (1 << 8) /* Asynchronous abort mask bit */
|
||||
#define PSR_E (1 << 9) /* Endianness execution state bit */
|
||||
#define PSR_J (1 << 24) /* Jazelle bit */
|
||||
#define PSR_Q (1 << 27) /* Cumulative saturation bit */
|
||||
#define PSR_V (1 << 28) /* Overflow condition flag */
|
||||
#define PSR_C (1 << 29) /* Carry condition flag */
|
||||
#define PSR_Z (1 << 30) /* Zero condition flag */
|
||||
#define PSR_N (1 << 31) /* Negative condition flag */
|
||||
/* CTL_MACHDEP definitions. */
|
||||
#define CPU_DEBUG 1 /* int: misc kernel debug control */
|
||||
#define CPU_BOOTED_DEVICE 2 /* string: device we booted from */
|
||||
#define CPU_BOOTED_KERNEL 3 /* string: kernel we booted */
|
||||
#define CPU_CONSDEV 4 /* struct: dev_t of our console */
|
||||
#define CPU_POWERSAVE 5 /* int: use CPU powersave mode */
|
||||
#define CPU_MAXID 6 /* number of valid machdep ids */
|
||||
|
||||
#define PSR_MODE_MASK 0x0000001F /* Mode field mask */
|
||||
#if defined(_KERNEL) || defined(_KMEMUSER)
|
||||
|
||||
#define MODE_USR 0x10 /* User mode */
|
||||
#define MODE_FIQ 0x11 /* FIQ mode */
|
||||
#define MODE_IRQ 0x12 /* IRQ mode */
|
||||
#define MODE_SVC 0x13 /* Supervisor mode */
|
||||
#define MODE_MON 0x16 /* Monitor mode */
|
||||
#define MODE_ABT 0x17 /* Abort mode */
|
||||
#define MODE_HYP 0x1A /* Hyp mode */
|
||||
#define MODE_UND 0x1B /* Undefined mode */
|
||||
#define MODE_SYS 0x1F /* System mode */
|
||||
/*
|
||||
* Kernel-only definitions
|
||||
*/
|
||||
|
||||
/* SCTLR - System Control Register */
|
||||
#define SCTLR_M (1 << 0) /* MMU enable */
|
||||
#define SCTLR_A (1 << 1) /* Alignment check enable */
|
||||
#define SCTLR_C (1 << 2) /* Data and Unified Cache enable */
|
||||
#define SCTLR_CP15BEN (1 << 5) /* CP15 barrier enable */
|
||||
#define SCTLR_SW (1 << 10) /* SWP and SWPB enable */
|
||||
#define SCTLR_Z (1 << 11) /* Branch prediction enable */
|
||||
#define SCTLR_I (1 << 12) /* Instruction cache enable */
|
||||
#define SCTLR_V (1 << 13) /* (High) Vectors bit */
|
||||
#define SCTLR_RR (1 << 14) /* Round Robin (cache) select */
|
||||
#define SCTLR_HA (1 << 17) /* Hardware Access flag enable */
|
||||
#define SCTLR_FI (1 << 21) /* Fast interrupts configuration enable */
|
||||
#define SCTLR_VE (1 << 24) /* Interrupt Vectors Enable */
|
||||
#define SCTLR_EE (1 << 25) /* Exception Endianness */
|
||||
#define SCTLR_NMFI (1 << 27) /* Non-maskable FIQ (NMFI) support */
|
||||
#define SCTLR_TRE (1 << 28) /* TEX remap enable */
|
||||
#define SCTLR_AFE (1 << 29) /* Access flag enable */
|
||||
#define SCTLR_TE (1 << 30) /* Thumb Exception enable */
|
||||
#if !defined(_LKM) && defined(_KERNEL_OPT)
|
||||
#include "opt_multiprocessor.h"
|
||||
#include "opt_cpuoptions.h"
|
||||
#include "opt_lockdebug.h"
|
||||
#include "opt_cputypes.h"
|
||||
#endif /* !_LKM && _KERNEL_OPT */
|
||||
|
||||
/* ACTLR - Auxiliary Control Register */
|
||||
#define A8_ACTLR_L1ALIAS (1 << 0) /* L1 Dcache hw alias check enable */
|
||||
#define A8_ACTLR_L2EN (1 << 1) /* L2 cache enable */
|
||||
#define A8_ACTLR_L1RSTDIS (1 << 30) /* L1 hw reset disable */
|
||||
#define A8_ACTLR_L2RSTDIS (1 << 31) /* L2 hw reset disable */
|
||||
#include <arm/cpuconf.h>
|
||||
|
||||
#endif /* _ARM_CPU_H_ */
|
||||
#ifndef _LOCORE
|
||||
#include <machine/frame.h>
|
||||
#endif /* !_LOCORE */
|
||||
|
||||
#include <arm/armreg.h>
|
||||
|
||||
|
||||
#ifndef _LOCORE
|
||||
/* 1 == use cpu_sleep(), 0 == don't */
|
||||
extern int cpu_do_powersave;
|
||||
#endif
|
||||
|
||||
#ifdef _LOCORE
|
||||
|
||||
#if defined(_ARM_ARCH_6)
|
||||
#define IRQdisable cpsid i
|
||||
#define IRQenable cpsie i
|
||||
#elif defined(__PROG32)
|
||||
#define IRQdisable \
|
||||
stmfd sp!, {r0} ; \
|
||||
mrs r0, cpsr ; \
|
||||
orr r0, r0, #(I32_bit) ; \
|
||||
msr cpsr_c, r0 ; \
|
||||
ldmfd sp!, {r0}
|
||||
|
||||
#define IRQenable \
|
||||
stmfd sp!, {r0} ; \
|
||||
mrs r0, cpsr ; \
|
||||
bic r0, r0, #(I32_bit) ; \
|
||||
msr cpsr_c, r0 ; \
|
||||
ldmfd sp!, {r0}
|
||||
#else
|
||||
/* Not yet used in 26-bit code */
|
||||
#endif
|
||||
|
||||
#if defined (TPIDRPRW_IS_CURCPU)
|
||||
#define GET_CURCPU(rX) mrc p15, 0, rX, c13, c0, 4
|
||||
#define GET_CURLWP(rX) GET_CURCPU(rX); ldr rX, [rX, #CI_CURLWP]
|
||||
#elif defined (TPIDRPRW_IS_CURLWP)
|
||||
#define GET_CURLWP(rX) mrc p15, 0, rX, c13, c0, 4
|
||||
#define GET_CURCPU(rX) GET_CURLWP(rX); ldr rX, [rX, #L_CPU]
|
||||
#elif !defined(MULTIPROCESSOR)
|
||||
#define GET_CURCPU(rX) ldr rX, =_C_LABEL(cpu_info_store)
|
||||
#define GET_CURLWP(rX) GET_CURCPU(rX); ldr rX, [rX, #CI_CURLWP]
|
||||
#endif
|
||||
#define GET_CURPCB(rX) GET_CURLWP(rX); ldr rX, [rX, #L_PCB]
|
||||
|
||||
#else /* !_LOCORE */
|
||||
|
||||
#ifdef __PROG32
|
||||
#define IRQdisable __set_cpsr_c(I32_bit, I32_bit);
|
||||
#define IRQenable __set_cpsr_c(I32_bit, 0);
|
||||
#else
|
||||
#define IRQdisable set_r15(R15_IRQ_DISABLE, R15_IRQ_DISABLE);
|
||||
#define IRQenable set_r15(R15_IRQ_DISABLE, 0);
|
||||
#endif
|
||||
|
||||
#endif /* !_LOCORE */
|
||||
|
||||
#ifndef _LOCORE
|
||||
|
||||
/* All the CLKF_* macros take a struct clockframe * as an argument. */
|
||||
|
||||
/*
|
||||
* CLKF_USERMODE: Return TRUE/FALSE (1/0) depending on whether the
|
||||
* frame came from USR mode or not.
|
||||
*/
|
||||
#ifdef __PROG32
|
||||
#define CLKF_USERMODE(frame) ((frame->cf_tf.tf_spsr & PSR_MODE) == PSR_USR32_MODE)
|
||||
#else
|
||||
#define CLKF_USERMODE(frame) ((frame->cf_if.if_r15 & R15_MODE) == R15_MODE_USR)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* CLKF_INTR: True if we took the interrupt from inside another
|
||||
* interrupt handler.
|
||||
*/
|
||||
#ifdef __PROG32
|
||||
/* Hack to treat FPE time as interrupt time so we can measure it */
|
||||
#define CLKF_INTR(frame) \
|
||||
((curcpu()->ci_intr_depth > 1) || \
|
||||
(frame->cf_tf.tf_spsr & PSR_MODE) == PSR_UND32_MODE)
|
||||
#else
|
||||
#define CLKF_INTR(frame) (curcpu()->ci_intr_depth > 1)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* CLKF_PC: Extract the program counter from a clockframe
|
||||
*/
|
||||
#ifdef __PROG32
|
||||
#define CLKF_PC(frame) (frame->cf_tf.tf_pc)
|
||||
#else
|
||||
#define CLKF_PC(frame) (frame->cf_if.if_r15 & R15_PC)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* LWP_PC: Find out the program counter for the given lwp.
|
||||
*/
|
||||
#ifdef __PROG32
|
||||
#define LWP_PC(l) (lwp_trapframe(l)->tf_pc)
|
||||
#else
|
||||
#define LWP_PC(l) (lwp_trapframe(l)->tf_r15 & R15_PC)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Validate a PC or PSR for a user process. Used by various system calls
|
||||
* that take a context passed by the user and restore it.
|
||||
*/
|
||||
|
||||
#ifdef __PROG32
|
||||
#define VALID_R15_PSR(r15,psr) \
|
||||
(((psr) & PSR_MODE) == PSR_USR32_MODE && \
|
||||
((psr) & (I32_bit | F32_bit)) == 0)
|
||||
#else
|
||||
#define VALID_R15_PSR(r15,psr) \
|
||||
(((r15) & R15_MODE) == R15_MODE_USR && \
|
||||
((r15) & (R15_IRQ_DISABLE | R15_FIQ_DISABLE)) == 0)
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/* The address of the vector page. */
|
||||
extern vaddr_t vector_page;
|
||||
#ifdef __PROG32
|
||||
void arm32_vector_init(vaddr_t, int);
|
||||
|
||||
#define ARM_VEC_RESET (1 << 0)
|
||||
#define ARM_VEC_UNDEFINED (1 << 1)
|
||||
#define ARM_VEC_SWI (1 << 2)
|
||||
#define ARM_VEC_PREFETCH_ABORT (1 << 3)
|
||||
#define ARM_VEC_DATA_ABORT (1 << 4)
|
||||
#define ARM_VEC_ADDRESS_EXCEPTION (1 << 5)
|
||||
#define ARM_VEC_IRQ (1 << 6)
|
||||
#define ARM_VEC_FIQ (1 << 7)
|
||||
|
||||
#define ARM_NVEC 8
|
||||
#define ARM_VEC_ALL 0xffffffff
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Per-CPU information. For now we assume one CPU.
|
||||
*/
|
||||
static inline int curcpl(void);
|
||||
static inline void set_curcpl(int);
|
||||
static inline void cpu_dosoftints(void);
|
||||
|
||||
#include <sys/device_if.h>
|
||||
#include <sys/evcnt.h>
|
||||
#include <sys/cpu_data.h>
|
||||
|
||||
struct cpu_info {
|
||||
struct cpu_data ci_data; /* MI per-cpu data */
|
||||
device_t ci_dev; /* Device corresponding to this CPU */
|
||||
cpuid_t ci_cpuid;
|
||||
uint32_t ci_arm_cpuid; /* aggregate CPU id */
|
||||
uint32_t ci_arm_cputype; /* CPU type */
|
||||
uint32_t ci_arm_cpurev; /* CPU revision */
|
||||
uint32_t ci_ctrl; /* The CPU control register */
|
||||
int ci_cpl; /* current processor level (spl) */
|
||||
int ci_astpending; /* */
|
||||
int ci_want_resched; /* resched() was called */
|
||||
int ci_intr_depth; /* */
|
||||
struct cpu_softc *ci_softc; /* platform softc */
|
||||
#ifdef __HAVE_FAST_SOFTINTS
|
||||
lwp_t *ci_softlwps[SOFTINT_COUNT];
|
||||
volatile uint32_t ci_softints;
|
||||
#endif
|
||||
lwp_t *ci_curlwp; /* current lwp */
|
||||
struct evcnt ci_arm700bugcount;
|
||||
int32_t ci_mtx_count;
|
||||
int ci_mtx_oldspl;
|
||||
register_t ci_undefsave[3];
|
||||
uint32_t ci_vfp_id;
|
||||
#if defined(_ARM_ARCH_7)
|
||||
uint64_t ci_lastintr;
|
||||
#endif
|
||||
struct evcnt ci_abt_evs[FAULT_TYPE_MASK+1];
|
||||
#if defined(MP_CPU_INFO_MEMBERS)
|
||||
MP_CPU_INFO_MEMBERS
|
||||
#endif
|
||||
};
|
||||
|
||||
extern struct cpu_info cpu_info_store;
|
||||
#if defined(TPIDRPRW_IS_CURLWP)
|
||||
static inline struct lwp *
|
||||
_curlwp(void)
|
||||
{
|
||||
return (struct lwp *) armreg_tpidrprw_read();
|
||||
}
|
||||
|
||||
static inline void
|
||||
_curlwp_set(struct lwp *l)
|
||||
{
|
||||
armreg_tpidrprw_write((uintptr_t)l);
|
||||
}
|
||||
|
||||
#define curlwp (_curlwp())
|
||||
static inline struct cpu_info *
|
||||
curcpu(void)
|
||||
{
|
||||
return curlwp->l_cpu;
|
||||
}
|
||||
#elif defined(TPIDRPRW_IS_CURCPU)
|
||||
static inline struct cpu_info *
|
||||
curcpu(void)
|
||||
{
|
||||
return (struct cpu_info *) armreg_tpidrprw_read();
|
||||
}
|
||||
#elif !defined(MULTIPROCESSOR)
|
||||
#define curcpu() (&cpu_info_store)
|
||||
#else
|
||||
#error MULTIPROCESSOR requires TPIDRPRW_IS_CURLWP or TPIDRPRW_IS_CURCPU
|
||||
#endif /* !TPIDRPRW_IS_CURCPU && !TPIDRPRW_IS_CURLWP */
|
||||
|
||||
#ifndef curlwp
|
||||
#define curlwp (curcpu()->ci_curlwp)
|
||||
#endif
|
||||
|
||||
#define CPU_INFO_ITERATOR int
|
||||
#if defined(MULTIPROCESSOR)
|
||||
extern struct cpu_info *cpu_info[];
|
||||
#define cpu_number() (curcpu()->ci_cpuid)
|
||||
void cpu_boot_secondary_processors(void);
|
||||
#define CPU_IS_PRIMARY(ci) ((ci)->ci_cpuid == 0)
|
||||
#define CPU_INFO_FOREACH(cii, ci) \
|
||||
cii = 0, ci = cpu_info[0]; cii < ncpu && (ci = cpu_info[cii]) != NULL; cii++
|
||||
#else
|
||||
#define cpu_number() 0
|
||||
|
||||
#define CPU_IS_PRIMARY(ci) true
|
||||
#define CPU_INFO_FOREACH(cii, ci) \
|
||||
cii = 0, ci = curcpu(); ci != NULL; ci = NULL
|
||||
#endif
|
||||
|
||||
#define LWP0_CPU_INFO (&cpu_info_store)
|
||||
|
||||
static inline int
|
||||
curcpl(void)
|
||||
{
|
||||
return curcpu()->ci_cpl;
|
||||
}
|
||||
|
||||
static inline void
|
||||
set_curcpl(int pri)
|
||||
{
|
||||
curcpu()->ci_cpl = pri;
|
||||
}
|
||||
|
||||
static inline void
|
||||
cpu_dosoftints(void)
|
||||
{
|
||||
#ifdef __HAVE_FAST_SOFTINTS
|
||||
void dosoftints(void);
|
||||
#ifndef __HAVE_PIC_FAST_SOFTINTS
|
||||
struct cpu_info * const ci = curcpu();
|
||||
if (ci->ci_intr_depth == 0 && (ci->ci_softints >> ci->ci_cpl) > 0)
|
||||
dosoftints();
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifdef __PROG32
|
||||
void cpu_proc_fork(struct proc *, struct proc *);
|
||||
#else
|
||||
#define cpu_proc_fork(p1, p2)
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Scheduling glue
|
||||
*/
|
||||
|
||||
#define setsoftast() (curcpu()->ci_astpending = 1)
|
||||
|
||||
/*
|
||||
* Notify the current process (p) that it has a signal pending,
|
||||
* process as soon as possible.
|
||||
*/
|
||||
|
||||
#define cpu_signotify(l) setsoftast()
|
||||
|
||||
/*
|
||||
* Give a profiling tick to the current process when the user profiling
|
||||
* buffer pages are invalid. On the i386, request an ast to send us
|
||||
* through trap(), marking the proc as needing a profiling tick.
|
||||
*/
|
||||
#define cpu_need_proftick(l) ((l)->l_pflag |= LP_OWEUPC, setsoftast())
|
||||
|
||||
/*
|
||||
* We've already preallocated the stack for the idlelwps for additional CPUs.
|
||||
* This hook allows to return them.
|
||||
*/
|
||||
vaddr_t cpu_uarea_alloc_idlelwp(struct cpu_info *);
|
||||
|
||||
#ifndef acorn26
|
||||
/*
|
||||
* cpu device glue (belongs in cpuvar.h)
|
||||
*/
|
||||
void cpu_attach(device_t, cpuid_t);
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Random cruft
|
||||
*/
|
||||
|
||||
struct lwp;
|
||||
|
||||
/* locore.S */
|
||||
void atomic_set_bit(u_int *, u_int);
|
||||
void atomic_clear_bit(u_int *, u_int);
|
||||
|
||||
/* cpuswitch.S */
|
||||
struct pcb;
|
||||
void savectx(struct pcb *);
|
||||
|
||||
/* ast.c */
|
||||
void userret(register struct lwp *);
|
||||
|
||||
/* *_machdep.c */
|
||||
void bootsync(void);
|
||||
|
||||
/* fault.c */
|
||||
int badaddr_read(void *, size_t, void *);
|
||||
|
||||
/* syscall.c */
|
||||
void swi_handler(trapframe_t *);
|
||||
|
||||
/* arm_machdep.c */
|
||||
void ucas_ras_check(trapframe_t *);
|
||||
|
||||
/* vfp_init.c */
|
||||
void vfp_attach(void);
|
||||
void vfp_discardcontext(void);
|
||||
void vfp_savecontext(void);
|
||||
extern const pcu_ops_t arm_vfp_ops;
|
||||
|
||||
#endif /* !_LOCORE */
|
||||
|
||||
#endif /* _KERNEL */
|
||||
|
||||
#endif /* !_ARM_CPU_H_ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue