/* * Copyright (c) 2016 Martin Decky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. */ /** @addtogroup kernel_riscv64 * @{ */ /** @file */ #ifndef KERN_riscv64_CPU_H_ #define KERN_riscv64_CPU_H_ #define SSTATUS_SIE_MASK 0x00000002 #define SATP_PFN_MASK UINT64_C(0x00000fffffffffff) #define SATP_MODE_MASK UINT64_C(0xf000000000000000) #define SATP_MODE_BARE UINT64_C(0x0000000000000000) #define SATP_MODE_SV39 UINT64_C(0x8000000000000000) #define SATP_MODE_SV48 UINT64_C(0x9000000000000000) #ifndef __ASSEMBLER__ typedef struct { } cpu_arch_t; extern void cpu_setup_fpu(void); #endif /* __ASSEMBLER__ */ #endif /** @} */