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_align.h
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atomic.h
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bus.h
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bus_dma.h
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bus_dma_impl.h
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clock.h
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cpu.h
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cpufunc.h
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db_machdep.h
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dump.h
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float.h
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fpe.h
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ieeefp.h
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in_cksum.h
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intr.h
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kdb.h
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machdep.h
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md_var.h
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memdev.h
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metadata.h
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minidump.h
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ofw_machdep.h
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param.h
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pcb.h
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pcpu.h
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pcpu_aux.h
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pmc_mdep.h
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proc.h
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reg.h
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reloc.h
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resource.h
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riscvreg.h
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runq.h
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sbi.h
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setjmp.h
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sf_buf.h
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sigframe.h
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signal.h
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smp.h
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vm.h
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vmparam.h
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Editing: riscvreg.h
/*- * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com> * All rights reserved. * * Portions of this software were developed by SRI International and the * University of Cambridge Computer Laboratory under DARPA/AFRL contract * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. * * Portions of this software were developed by the University of Cambridge * Computer Laboratory as part of the CTSRD Project, with support from the * UK Higher Education Innovation Fund (HEIF). * * 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 AUTHOR 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 AUTHOR 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. * * $FreeBSD$ */ #ifndef _MACHINE_RISCVREG_H_ #define _MACHINE_RISCVREG_H_ #define SCAUSE_INTR (1ul << 63) #define SCAUSE_CODE (~SCAUSE_INTR) #define SCAUSE_INST_MISALIGNED 0 #define SCAUSE_INST_ACCESS_FAULT 1 #define SCAUSE_ILLEGAL_INSTRUCTION 2 #define SCAUSE_BREAKPOINT 3 #define SCAUSE_LOAD_MISALIGNED 4 #define SCAUSE_LOAD_ACCESS_FAULT 5 #define SCAUSE_STORE_MISALIGNED 6 #define SCAUSE_STORE_ACCESS_FAULT 7 #define SCAUSE_ECALL_USER 8 #define SCAUSE_ECALL_SUPERVISOR 9 #define SCAUSE_INST_PAGE_FAULT 12 #define SCAUSE_LOAD_PAGE_FAULT 13 #define SCAUSE_STORE_PAGE_FAULT 15 #define SSTATUS_UIE (1 << 0) #define SSTATUS_SIE (1 << 1) #define SSTATUS_UPIE (1 << 4) #define SSTATUS_SPIE (1 << 5) #define SSTATUS_SPIE_SHIFT 5 #define SSTATUS_SPP (1 << 8) #define SSTATUS_SPP_SHIFT 8 #define SSTATUS_FS_SHIFT 13 #define SSTATUS_FS_OFF (0x0 << SSTATUS_FS_SHIFT) #define SSTATUS_FS_INITIAL (0x1 << SSTATUS_FS_SHIFT) #define SSTATUS_FS_CLEAN (0x2 << SSTATUS_FS_SHIFT) #define SSTATUS_FS_DIRTY (0x3 << SSTATUS_FS_SHIFT) #define SSTATUS_FS_MASK (0x3 << SSTATUS_FS_SHIFT) #define SSTATUS_XS_SHIFT 15 #define SSTATUS_XS_MASK (0x3 << SSTATUS_XS_SHIFT) #define SSTATUS_SUM (1 << 18) #if __riscv_xlen == 64 #define SSTATUS_SD (1ul << 63) #else #define SSTATUS_SD (1 << 31) #endif #define MSTATUS_UIE (1 << 0) #define MSTATUS_SIE (1 << 1) #define MSTATUS_HIE (1 << 2) #define MSTATUS_MIE (1 << 3) #define MSTATUS_UPIE (1 << 4) #define MSTATUS_SPIE (1 << 5) #define MSTATUS_SPIE_SHIFT 5 #define MSTATUS_HPIE (1 << 6) #define MSTATUS_MPIE (1 << 7) #define MSTATUS_MPIE_SHIFT 7 #define MSTATUS_SPP (1 << 8) #define MSTATUS_SPP_SHIFT 8 #define MSTATUS_HPP_MASK 0x3 #define MSTATUS_HPP_SHIFT 9 #define MSTATUS_MPP_MASK 0x3 #define MSTATUS_MPP_SHIFT 11 #define MSTATUS_FS_MASK 0x3 #define MSTATUS_FS_SHIFT 13 #define MSTATUS_XS_MASK 0x3 #define MSTATUS_XS_SHIFT 15 #define MSTATUS_MPRV (1 << 17) #define MSTATUS_PUM (1 << 18) #define MSTATUS_VM_MASK 0x1f #define MSTATUS_VM_SHIFT 24 #define MSTATUS_VM_MBARE 0 #define MSTATUS_VM_MBB 1 #define MSTATUS_VM_MBBID 2 #define MSTATUS_VM_SV32 8 #define MSTATUS_VM_SV39 9 #define MSTATUS_VM_SV48 10 #define MSTATUS_VM_SV57 11 #define MSTATUS_VM_SV64 12 #if __riscv_xlen == 64 #define MSTATUS_SD (1ul << 63) #else #define MSTATUS_SD (1 << 31) #endif #define MSTATUS_PRV_U 0 /* user */ #define MSTATUS_PRV_S 1 /* supervisor */ #define MSTATUS_PRV_H 2 /* hypervisor */ #define MSTATUS_PRV_M 3 /* machine */ #define MIE_USIE (1 << 0) #define MIE_SSIE (1 << 1) #define MIE_HSIE (1 << 2) #define MIE_MSIE (1 << 3) #define MIE_UTIE (1 << 4) #define MIE_STIE (1 << 5) #define MIE_HTIE (1 << 6) #define MIE_MTIE (1 << 7) #define MIP_USIP (1 << 0) #define MIP_SSIP (1 << 1) #define MIP_HSIP (1 << 2) #define MIP_MSIP (1 << 3) #define MIP_UTIP (1 << 4) #define MIP_STIP (1 << 5) #define MIP_HTIP (1 << 6) #define MIP_MTIP (1 << 7) #define SIE_USIE (1 << 0) #define SIE_SSIE (1 << 1) #define SIE_UTIE (1 << 4) #define SIE_STIE (1 << 5) #define SIE_UEIE (1 << 8) #define SIE_SEIE (1 << 9) #define MIP_SEIP (1 << 9) /* Note: sip register has no SIP_STIP bit in Spike simulator */ #define SIP_SSIP (1 << 1) #define SIP_STIP (1 << 5) #define SATP_PPN_S 0 #define SATP_PPN_M (0xfffffffffff << SATP_PPN_S) #define SATP_ASID_S 44 #define SATP_ASID_M (0xffff << SATP_ASID_S) #define SATP_MODE_S 60 #define SATP_MODE_M (0xf << SATP_MODE_S) #define SATP_MODE_SV39 (8ULL << SATP_MODE_S) #define SATP_MODE_SV48 (9ULL << SATP_MODE_S) #define XLEN __riscv_xlen #define XLEN_BYTES (XLEN / 8) #define INSN_SIZE 4 #define INSN_C_SIZE 2 #define X_RA 1 #define X_SP 2 #define X_GP 3 #define X_TP 4 #define X_T0 5 #define X_T1 6 #define X_T2 7 #define X_T3 28 #define RD_SHIFT 7 #define RD_MASK (0x1f << RD_SHIFT) #define RS1_SHIFT 15 #define RS1_MASK (0x1f << RS1_SHIFT) #define RS1_SP (X_SP << RS1_SHIFT) #define RS2_SHIFT 20 #define RS2_MASK (0x1f << RS2_SHIFT) #define RS2_RA (X_RA << RS2_SHIFT) #define IMM_SHIFT 20 #define IMM_MASK (0xfff << IMM_SHIFT) #define RS2_C_SHIFT 2 #define RS2_C_MASK (0x1f << RS2_C_SHIFT) #define RS2_C_RA (X_RA << RS2_C_SHIFT) #define CSR_ZIMM(val) \ (__builtin_constant_p(val) && ((u_long)(val) < 32)) #define csr_swap(csr, val) \ ({ if (CSR_ZIMM(val)) \ __asm __volatile("csrrwi %0, " #csr ", %1" \ : "=r" (val) : "i" (val)); \ else \ __asm __volatile("csrrw %0, " #csr ", %1" \ : "=r" (val) : "r" (val)); \ val; \ }) #define csr_write(csr, val) \ ({ if (CSR_ZIMM(val)) \ __asm __volatile("csrwi " #csr ", %0" :: "i" (val)); \ else \ __asm __volatile("csrw " #csr ", %0" :: "r" (val)); \ }) #define csr_set(csr, val) \ ({ if (CSR_ZIMM(val)) \ __asm __volatile("csrsi " #csr ", %0" :: "i" (val)); \ else \ __asm __volatile("csrs " #csr ", %0" :: "r" (val)); \ }) #define csr_clear(csr, val) \ ({ if (CSR_ZIMM(val)) \ __asm __volatile("csrci " #csr ", %0" :: "i" (val)); \ else \ __asm __volatile("csrc " #csr ", %0" :: "r" (val)); \ }) #define csr_read(csr) \ ({ u_long val; \ __asm __volatile("csrr %0, " #csr : "=r" (val)); \ val; \ }) #if __riscv_xlen == 32 #define csr_read64(csr) \ ({ uint64_t val; \ uint32_t high, low; \ __asm __volatile("1: " \ "csrr t0, " #csr "h\n" \ "csrr %0, " #csr "\n" \ "csrr %1, " #csr "h\n" \ "bne t0, %1, 1b" \ : "=r" (low), "=r" (high) \ : \ : "t0"); \ val = (low | ((uint64_t)high << 32)); \ val; \ }) #else #define csr_read64(csr) ((uint64_t)csr_read(csr)) #endif #endif /* !_MACHINE_RISCVREG_H_ */
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