Files
netbsd/sys/arch/aarch64/include/armreg.h
2015-10-15 10:25:28 +02:00

457 lines
17 KiB
C

/* $NetBSD: armreg.h,v 1.2 2015/04/27 06:54:12 skrll Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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.
*/
#ifndef _AARCH64_ARMREG_H_
#define _AARCH64_ARMREG_H_
#ifdef __aarch64__
#include <sys/types.h>
#define AARCH64REG_READ_INLINE2(regname, regdesc) \
static uint64_t inline \
reg_##regname##_read(void) \
{ \
uint64_t __rv; \
__asm("mrs %0, " #regdesc : "=r"(__rv)); \
return __rv; \
}
#define AARCH64REG_WRITE_INLINE2(regname, regdesc) \
static void inline \
reg_##regname##_write(uint64_t __val) \
{ \
__asm("msr " #regdesc ", %0" :: "r"(__val)); \
}
#define AARCH64REG_WRITEIMM_INLINE2(regname, regdesc) \
static void inline \
reg_##regname##_write(uint64_t __val) \
{ \
__asm("msr " #regdesc ", %0" :: "n"(__val)); \
}
#define AARCH64REG_READ_INLINE(regname) \
AARCH64REG_READ_INLINE2(regname, regname)
#define AARCH64REG_WRITE_INLINE(regname) \
AARCH64REG_WRITE_INLINE2(regname, regname)
#define AARCH64REG_WRITEIMM_INLINE(regname) \
AARCH64REG_WRITEIMM_INLINE2(regname, regname)
/*
* System registers available at EL0 (user)
*/
AARCH64REG_READ_INLINE(ctr_el0) // Cache Type Register
static const uintmax_t
CTR_EL0_CWG_LINE = __BITS(27,24), // Cacheback Writeback Granule
CTR_EL0_ERG_LINE = __BITS(23,20), // Exclusives Reservation Granule
CTR_EL0_DMIN_LINE = __BITS(19,16), // Dcache MIN LINE size (log2 - 2)
CTR_EL0_L1IP_MASK = __BITS(15,14),
CTR_EL0_L1IP_AIVIVT = 1, // ASID-tagged Virtual Index, Virtual Tag
CTR_EL0_L1IP_VIPT = 2, // Virtual Index, Physical Tag
CTR_EL0_L1IP_PIPT = 3, // Physical Index, Physical Tag
CTR_EL0_IMIN_LINE = __BITS(3,0); // Icache MIN LINE size (log2 - 2)
AARCH64REG_READ_INLINE(dczid_el0) // Data Cache Zero ID Register
static const uintmax_t
DCZID_DZP = __BIT(4), // Data Zero Prohibited
DCZID_BS = __BITS(3,0); // Block Size (log2 - 2)
AARCH64REG_READ_INLINE(tpidrro_el0) // Thread Pointer ID Register (RO)
AARCH64REG_READ_INLINE(fpcr) // Floating Point Control Register
AARCH64REG_WRITE_INLINE(fpcr)
static const uintmax_t
FPCR_AHP = __BIT(26), // Alternative Half Precision
FPCR_DN = __BIT(25), // Default Nan Control
FPCR_FZ = __BIT(24), // Flush-To-Zero
FPCR_RMODE = __BITS(23,22),// Rounding Mode
FPCR_RN = 0, // Round Nearest
FPCR_RP = 1, // Round towards Plus infinity
FPCR_RM = 2, // Round towards Minus infinity
FPCR_RZ = 3, // Round towards Zero
FPCR_STRIDE = __BITS(21,20),
FPCR_LEN = __BITS(18,16),
FPCR_IDE = __BIT(15), // Input Denormal Exception enable
FPCR_IXE = __BIT(12), // IneXact Exception enable
FPCR_UFE = __BIT(11), // UnderFlow Exception enable
FPCR_OFE = __BIT(10), // OverFlow Exception enable
FPCR_DZE = __BIT(9), // Divide by Zero Exception enable
FPCR_IOE = __BIT(8), // Invalid Operation Exception enable
FPCR_ESUM = 0x1F00;
AARCH64REG_READ_INLINE(fpsr) // Floating Point Status Register
AARCH64REG_WRITE_INLINE(fpsr)
static const uintmax_t
FPSR_N32 = __BIT(31), // AARCH32 Negative
FPSR_Z32 = __BIT(30), // AARCH32 Zero
FPSR_C32 = __BIT(29), // AARCH32 Carry
FPSR_V32 = __BIT(28), // AARCH32 Overflow
FPSR_QC = __BIT(27), // SIMD Saturation
FPSR_IDC = __BIT(7), // Input Denormal Cumulative status
FPSR_IXC = __BIT(4), // IneXact Cumulative status
FPSR_UFC = __BIT(3), // UnderFlow Cumulative status
FPSR_OFC = __BIT(2), // OverFlow Cumulative status
FPSR_DZC = __BIT(1), // Divide by Zero Cumulative status
FPSR_IOC = __BIT(0), // Invalid Operation Cumulative status
FPSR_CSUM = 0x1F;
AARCH64REG_READ_INLINE(nzcv) // condition codes
AARCH64REG_WRITE_INLINE(nzcv)
static const uintmax_t
NZCV_N = __BIT(31), // Negative
NZCV_Z = __BIT(30), // Zero
NZCV_C = __BIT(29), // Carry
NZCV_V = __BIT(28); // Overflow
AARCH64REG_READ_INLINE(tpidr_el0) // Thread Pointer ID Register (RW)
AARCH64REG_WRITE_INLINE(tpidr_el0)
/*
* From here on, these can only be accessed at EL1 (kernel)
*/
/*
* These are readonly registers
*/
AARCH64REG_READ_INLINE2(cbar_el1, s3_1_c15_c3_0) // Cortex-A57
static const uintmax_t CBAR_PA = __BITS(47,18);
AARCH64REG_READ_INLINE(clidr_el1)
AARCH64REG_READ_INLINE(ccsidr_el1)
AARCH64REG_READ_INLINE(id_afr0_el1)
AARCH64REG_READ_INLINE(id_adr0_el1)
AARCH64REG_READ_INLINE(id_isar0_el1)
AARCH64REG_READ_INLINE(id_isar1_el1)
AARCH64REG_READ_INLINE(id_isar2_el1)
AARCH64REG_READ_INLINE(id_isar3_el1)
AARCH64REG_READ_INLINE(id_isar4_el1)
AARCH64REG_READ_INLINE(id_isar5_el1)
AARCH64REG_READ_INLINE(id_mmfr0_el1)
AARCH64REG_READ_INLINE(id_mmfr1_el1)
AARCH64REG_READ_INLINE(id_mmfr2_el1)
AARCH64REG_READ_INLINE(id_mmfr3_el1)
AARCH64REG_READ_INLINE(id_prf0_el1)
AARCH64REG_READ_INLINE(id_prf1_el1)
AARCH64REG_READ_INLINE(isr_el1)
AARCH64REG_READ_INLINE(midr_el1)
AARCH64REG_READ_INLINE(mpidr_el1)
AARCH64REG_READ_INLINE(mvfr0_el1)
AARCH64REG_READ_INLINE(mvfr1_el1)
AARCH64REG_READ_INLINE(mvfr2_el1)
AARCH64REG_READ_INLINE(revidr_el1)
/*
* These are read/write registers
*/
AARCH64REG_READ_INLINE(ccselr_el1) // Cache Size Selection Register
AARCH64REG_WRITE_INLINE(ccselr_el1)
AARCH64REG_READ_INLINE(cpacr_el1) // Coprocessor Access Control Regiser
AARCH64REG_WRITE_INLINE(cpacr_el1)
static const uintmax_t
CPACR_TTA = __BIT(28), // System Register Access Traps
CPACR_FPEN = __BITS(21,20),
CPACR_FPEN_NONE = __SHIFTIN(0, CPACR_FPEN),
CPACR_FPEN_EL1 = __SHIFTIN(1, CPACR_FPEN),
CPACR_FPEN_NONE_2 = __SHIFTIN(2, CPACR_FPEN),
CPACR_FPEN_ALL = __SHIFTIN(3, CPACR_FPEN);
AARCH64REG_READ_INLINE(elr_el1) // Exception Link Register
AARCH64REG_WRITE_INLINE(elr_el1)
AARCH64REG_READ_INLINE(esr_el1) // Exception Symdrone Register
AARCH64REG_WRITE_INLINE(esr_el1)
static const uintmax_t
ESR_EC = __BITS(31,26), // Exception Cause
ESR_EC_UNKOWN = 0, // AXX: Unknown Reason
ESR_EC_WFX = 1, // AXX: WFI or WFE instruction execution
ESR_EC_CP15_RT = 3, // A32: MCR/MRC access to CP15 !EC=0
ESR_EC_CP15_RRT = 4, // A32: MCRR/MRRC access to CP15 !EC=0
ESR_EC_CP14_RT = 5, // A32: MCR/MRC access to CP14
ESR_EC_CP14_DT = 6, // A32: LDC/STC access to CP14
ESR_EC_FP_ACCCES = 7, // AXX: Access to SIMD/FP Registers
ESR_EC_FPID = 8, // A32: MCR/MRC access to CP10 !EC=7
ESR_EC_CP14_RRT = 12, // A32: MRRC access to CP14
ESR_EC_ILL_STATE = 14, // AXX: Illegal Execution State
ESR_EC_SVC_A32 = 17, // A32: SVC Instruction Execution
ESR_EC_HVC_A32 = 18, // A32: HVC Instruction Execution
ESR_EC_SMC_A32 = 19, // A32: SMC Instruction Execution
ESR_EC_SVC_A64 = 21, // A64: SVC Instruction Execution
ESR_EC_HVC_A64 = 22, // A64: HVC Instruction Execution
ESR_EC_SMC_A64 = 23, // A64: SMC Instruction Execution
ESR_EC_SYS_REG = 24, // A64: MSR/MRS/SYS instruction (!EC0/1/7)
ESR_EC_INSN_ABT_EL0 = 32, // AXX: Instruction Abort (EL0)
ESR_EC_INSN_ABT_EL1 = 33, // AXX: Instruction Abort (EL1)
ESR_EC_PC_ALIGNMENT = 34, // AXX: Misaligned PC
ESR_EC_DATA_ABT_EL0 = 36, // AXX: Data Abort (EL0)
ESR_EC_DATA_ABT_EL1 = 37, // AXX: Data Abort (EL1)
ESR_EC_SP_ALIGNMENT = 38, // AXX: Misaligned SP
ESR_EC_FP_TRAP_A32 = 40, // A32: FP Exception
ESR_EC_FP_TRAP_A64 = 44, // A64: FP Exception
ESR_EC_SERROR = 47, // AXX: SError Interrupt
ESR_EC_BRKPNT_EL0 = 48, // AXX: Breakpoint Exception (EL0)
ESR_EC_BRKPNT_EL1 = 49, // AXX: Breakpoint Exception (EL1)
ESR_EC_SW_STEP_EL0 = 50, // AXX: Software Step (EL0)
ESR_EC_SW_STEP_EL1 = 51, // AXX: Software Step (EL1)
ESR_EC_WTCHPNT_EL0 = 52, // AXX: Watchpoint (EL0)
ESR_EC_WTCHPNT_EL1 = 53, // AXX: Watchpoint (EL1)
ESR_EC_BKPT_INSN_A32 = 56, // A32: BKPT Instruction Execution
ESR_EC_VECTOR_CATCH = 58, // A32: Vector Catch Exception
ESR_EC_BKPT_INSN_A64 = 60, // A64: BKPT Instruction Execution
ESR_IL = __BIT(25), // Instruction Length (1=32-bit)
ESR_ISS = __BITS(24,0); // Instruction Specific Syndrome
AARCH64REG_READ_INLINE(far_el1) // Fault Address Register
AARCH64REG_WRITE_INLINE(far_el1)
AARCH64REG_READ_INLINE(mair_el1) // Main Id Register
AARCH64REG_WRITE_INLINE(mair_el1)
AARCH64REG_READ_INLINE(par_el1) // Physical Address Register
AARCH64REG_WRITE_INLINE(par_el1)
static const uintmax_t
PAR_ATTR = __BITS(63,56),// F=0 memory attributes
PAR_PA = __BITS(47,12),// F=0 physical address
PAR_NS = __BIT(9), // F=0 non-secure
PAR_S = __BIT(9), // F=1 failure stage
PAR_SHA = __BITS(8,7), // F=0 shareability attribute
PAR_SHA_NONE = 0,
PAR_SHA_OUTER = 2,
PAR_SHA_INNER = 3,
PAR_PTW = __BIT(8), // F=1 partial table walk
PAR_FST = __BITS(6,1), // F=1 fault status code
PAR_F = __BIT(0); // translation failed
AARCH64REG_READ_INLINE(rmr_el1) // Reset Management Register
AARCH64REG_WRITE_INLINE(rmr_el1)
AARCH64REG_READ_INLINE(rvbar_el1) // Reset Vector Base Address Register
AARCH64REG_WRITE_INLINE(rvbar_el1)
AARCH64REG_READ_INLINE(sctlr_el1) // System Control Register
AARCH64REG_WRITE_INLINE(sctlr_el1)
AARCH64REG_READ_INLINE(sp_el0) // Stack Pointer
AARCH64REG_WRITE_INLINE(sp_el0)
AARCH64REG_READ_INLINE(daif) // Debug Async Irq Fiq mask register
AARCH64REG_WRITE_INLINE(daif)
AARCH64REG_WRITEIMM_INLINE(daifclr)
AARCH64REG_WRITEIMM_INLINE(daifset)
static const uintmax_t
DAIF_D = __BIT(3), // Debug Exception Mask
DAIF_A = __BIT(2), // SError Abort Mask
DAIF_I = __BIT(1), // IRQ Mask
DAIF_F = __BIT(0); // FIQ Mask
AARCH64REG_READ_INLINE(spsr_el1) // Saved Program Status Register
AARCH64REG_WRITE_INLINE(spsr_el1)
static const uintmax_t
SPSR_NZCV = __BITS(31,28), // mask of N Z C V
SPSR_N = __BIT(31), // Negative
SPSR_Z = __BIT(30), // Zero
SPSR_C = __BIT(29), // Carry
SPSR_V = __BIT(28), // oVerflow
SPSR_A32_Q = __BIT(27), // A32: Overflow
SPSR_A32_J = __BIT(24), // A32: Jazelle Mode
SPSR_A32_IT1 = __BIT(23), // A32: IT[1]
SPSR_A32_IT0 = __BIT(22), // A32: IT[0]
SPSR_SS = __BIT(21), // Software Step
SPSR_IL = __BIT(20), // Instruction Length
SPSR_GE = __BITS(19,16), // A32: SIMD GE
SPSR_IT7 = __BIT(15), // A32: IT[7]
SPSR_IT6 = __BIT(14), // A32: IT[6]
SPSR_IT5 = __BIT(13), // A32: IT[5]
SPSR_IT4 = __BIT(12), // A32: IT[4]
SPSR_IT3 = __BIT(11), // A32: IT[3]
SPSR_IT2 = __BIT(10), // A32: IT[2]
SPSR_A64_D = __BIT(9), // A64: Debug Exception Mask
SPSR_A32_E = __BIT(9), // A32: BE Endian Mode
SPSR_A = __BIT(8), // Async abort (SError) Mask
SPSR_I = __BIT(7), // IRQ Mask
SPSR_F = __BIT(6), // FIQ Mask
SPSR_A32_T = __BIT(5), // A32 Thumb Mode
SPSR_M = __BITS(4,0), // Execution State
SPSR_M_EL3H = 0x0d,
SPSR_M_EL3T = 0x0c,
SPSR_M_EL2H = 0x09,
SPSR_M_EL2T = 0x08,
SPSR_M_EL1H = 0x05,
SPSR_M_EL1T = 0x04,
SPSR_M_EL0T = 0x00,
SPSR_M_SYS32 = 0x1f,
SPSR_M_UND32 = 0x1b,
SPSR_M_ABT32 = 0x17,
SPSR_M_SVC32 = 0x13,
SPSR_M_IRQ32 = 0x12,
SPSR_M_FIQ32 = 0x11,
SPSR_M_USR32 = 0x10;
AARCH64REG_READ_INLINE(tcr_el1) // Translation Control Register
AARCH64REG_WRITE_INLINE(tcr_el1)
static const uintmax_t
TCR_TBI1 = __BIT(38), // ignore Top Byte for TTBR1_EL1
TCR_TBI0 = __BIT(37), // ignore Top Byte for TTBR0_EL1
TCR_AS64K = __BIT(36), // Use 64K ASIDs
TCR_IPS = __BITS(34,32), // Intermediate Phys Addr Size
TCR_IPS_256TB = 5, // 48 bits (256 TB)
TCR_IPS_64TB = 4, // 44 bits (16 TB)
TCR_IPS_4TB = 3, // 42 bits ( 4 TB)
TCR_IPS_1TB = 2, // 40 bits ( 1 TB)
TCR_IPS_64GB = 1, // 36 bits (64 GB)
TCR_IPS_4GB = 0, // 32 bits (4 GB)
TCR_TG1 = __BITS(31,30), // Page Granule Size
TCR_TG_4KB = 1, // 4KB page size
TCR_TG_16KB = 2, // 16KB page size
TCR_TG_64KB = 3, // 64KB page size
TCR_SH1 = __BITS(29,28),
TCR_SH_NONE = 0,
TCR_SH_OUTER = 1,
TCR_SH_INNER = 2,
TCR_ORGN1 = __BITS(27,26),
TCR_XRGN_NC = 0, // Non Cacheable
TCR_XRGN_WB_WA = 1, // WriteBack WriteAllocate
TCR_XRGN_WT = 2, // WriteThrough
TCR_XRGN_WB = 3, // WriteBack
TCR_IRGN1 = __BITS(25,24),
TCR_EPD1 = __BIT(23), // Walk Disable for TTBR1_EL1
TCR_A1 = __BIT(22), // ASID is in TTBR1_EL1
TCR_T1SZ = __BITS(21,16), // Size offset for TTBR1_EL1
TCR_TG0 = __BITS(15,14),
TCR_SH0 = __BITS(13,12),
TCR_ORGN0 = __BITS(11,10),
TCR_IRGN0 = __BITS(9,8),
TCR_EPD0 = __BIT(7), // Walk Disable for TTBR0
TCR_T0SZ = __BITS(5,0); // Size offset for TTBR0_EL1
#define TCR_PAGE_SIZE1(tcr) (1L << (__SHIFTOUT(tcr, TCR_TG1) * 2 + 10))
AARCH64REG_READ_INLINE(tpidr_el1) // Thread ID Register (EL1)
AARCH64REG_WRITE_INLINE(tpidr_el1)
AARCH64REG_WRITE_INLINE(tpidrro_el0) // Thread ID Register (RO for EL0)
AARCH64REG_READ_INLINE(ttbr0_el0) // Translation Table Base Register 0 EL0
AARCH64REG_WRITE_INLINE(ttbr0_el0)
AARCH64REG_READ_INLINE(ttbr0_el1) // Translation Table Base Register 0 EL0
AARCH64REG_WRITE_INLINE(ttbr0_el1)
AARCH64REG_READ_INLINE(ttbr1_el1) // Translation Table Base Register 1 EL1
AARCH64REG_WRITE_INLINE(ttbr1_el1)
static const uint64_t
TTBR_ASID = __BITS(63, 48),
TTBR_BADDR = __BITS(47, 0);
AARCH64REG_READ_INLINE(vbar_el1) // Vector Base Address Register
AARCH64REG_WRITE_INLINE(vbar_el1)
AARCH64REG_READ_INLINE(pmccfiltr_el0)
AARCH64REG_WRITE_INLINE(pmccfiltr_el0)
static const uintmax_t
PMCCFILTR_P = __BIT(31), // Don't count cycles in EL1
PMCCFILTR_U = __BIT(30), // Don't count cycles in EL0
PMCCFILTR_NSK = __BIT(29), // Don't count cycles in NS EL1
PMCCFILTR_NSU = __BIT(28), // Don't count cycles in NS EL0
PMCCFILTR_NSH = __BIT(27), // Don't count cycles in NS EL2
PMCCFILTR_M = __BIT(26); // Don't count cycles in EL3
AARCH64REG_READ_INLINE(pmccntr_el0)
AARCH64REG_READ_INLINE(cntfrq_el0)
AARCH64REG_READ_INLINE(cntkctl_el1)
AARCH64REG_WRITE_INLINE(cntkctl_el1)
static const uintmax_t
CNTKCTL_EL0PTEN = __BIT(9), // EL0 access for CNTP CVAL/TVAL/CTL
CNTKCTL_EL0VTEN = __BIT(8), // EL0 access for CNTV CVAL/TVAL/CTL
CNTKCTL_ELNTI = __BITS(7,4),
CNTKCTL_EVNTDIR = __BIT(3),
CNTKCTL_EVNTEN = __BIT(2),
CNTKCTL_EL0VCTEN = __BIT(1), // EL0 access for CNTVCT and CNTFRQ
CNTKCTL_EL0PCTEN = __BIT(0); // EL0 access for CNTPCT and CNTFRQ
AARCH64REG_READ_INLINE(cntp_ctl_el0)
AARCH64REG_WRITE_INLINE(cntp_ctl_el0)
AARCH64REG_READ_INLINE(cntp_cval_el0)
AARCH64REG_WRITE_INLINE(cntp_cval_el0)
AARCH64REG_READ_INLINE(cntp_tval_el0)
AARCH64REG_WRITE_INLINE(cntp_tval_el0)
AARCH64REG_READ_INLINE(cntpct_el0)
AARCH64REG_WRITE_INLINE(cntpct_el0)
AARCH64REG_READ_INLINE(cntps_ctl_el1)
AARCH64REG_WRITE_INLINE(cntps_ctl_el1)
AARCH64REG_READ_INLINE(cntps_cval_el1)
AARCH64REG_WRITE_INLINE(cntps_cval_el1)
AARCH64REG_READ_INLINE(cntps_tval_el1)
AARCH64REG_WRITE_INLINE(cntps_tval_el1)
AARCH64REG_READ_INLINE(cntv_ctl_el0)
AARCH64REG_WRITE_INLINE(cntv_ctl_el0)
AARCH64REG_READ_INLINE(cntv_cval_el0)
AARCH64REG_WRITE_INLINE(cntv_cval_el0)
AARCH64REG_READ_INLINE(cntv_tval_el0)
AARCH64REG_WRITE_INLINE(cntv_tval_el0)
AARCH64REG_READ_INLINE(cntvct_el0)
AARCH64REG_WRITE_INLINE(cntvct_el0)
static const uintmax_t
CNTCTL_ISTATUS = __BIT(2), // Interrupt Asserted
CNTCTL_IMASK = __BIT(1), // Timer Interrupt is Masked
CNTCTL_ENABLE = __BIT(0); // Timer Enabled
#elif defined(__arm__)
#include <arm/armreg.h>
#endif /* __aarch64__/__arm__ */
#endif /* _AARCH64_ARMREG_H_ */