From a36159eec6ca17402b0e146b86efaf76568dc353 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Fri, 20 Sep 2024 01:41:23 +0000 Subject: [PATCH] 重命名 AX88772C_eeprom/asix.c 为 asix_mac.c --- kernel/arch/arm64/kvm/sys_regs.h | 70 ++++++++++++++++++++++++++-------- 1 files changed, 53 insertions(+), 17 deletions(-) diff --git a/kernel/arch/arm64/kvm/sys_regs.h b/kernel/arch/arm64/kvm/sys_regs.h index cd710f8..9d06214 100644 --- a/kernel/arch/arm64/kvm/sys_regs.h +++ b/kernel/arch/arm64/kvm/sys_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012,2013 - ARM Ltd * Author: Marc Zyngier <marc.zyngier@arm.com> @@ -5,18 +6,6 @@ * Derived from arch/arm/kvm/coproc.h * Copyright (C) 2012 - Virtual Open Systems and Columbia University * Authors: Christoffer Dall <c.dall@virtualopensystems.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License, version 2, as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __ARM64_KVM_SYS_REGS_LOCAL_H__ @@ -30,11 +19,18 @@ u8 Op2; u64 regval; bool is_write; - bool is_aarch32; - bool is_32bit; /* Only valid if is_aarch32 is true */ }; struct sys_reg_desc { + /* Sysreg string for debug */ + const char *name; + + enum { + AA32_ZEROHIGH, + AA32_LO, + AA32_HI, + } aarch32_map; + /* MRS/MSR instruction which accesses it. */ u8 Op0; u8 Op1; @@ -61,13 +57,33 @@ const struct kvm_one_reg *reg, void __user *uaddr); int (*set_user)(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd, const struct kvm_one_reg *reg, void __user *uaddr); + + /* Return mask of REG_* runtime visibility overrides */ + unsigned int (*visibility)(const struct kvm_vcpu *vcpu, + const struct sys_reg_desc *rd); }; + +#define REG_HIDDEN (1 << 0) /* hidden from userspace and guest */ +#define REG_RAZ (1 << 1) /* RAZ from userspace and guest */ + +static __printf(2, 3) +inline void print_sys_reg_msg(const struct sys_reg_params *p, + char *fmt, ...) +{ + va_list va; + + va_start(va, fmt); + /* Look, we even formatted it for you to paste into the table! */ + kvm_pr_unimpl("%pV { Op0(%2u), Op1(%2u), CRn(%2u), CRm(%2u), Op2(%2u), func_%s },\n", + &(struct va_format){ fmt, &va }, + p->Op0, p->Op1, p->CRn, p->CRm, p->Op2, p->is_write ? "write" : "read"); + va_end(va); +} static inline void print_sys_reg_instr(const struct sys_reg_params *p) { - /* Look, we even formatted it for you to paste into the table! */ - kvm_pr_unimpl(" { Op0(%2u), Op1(%2u), CRn(%2u), CRm(%2u), Op2(%2u), func_%s },\n", - p->Op0, p->Op1, p->CRn, p->CRm, p->Op2, p->is_write ? "write" : "read"); + /* GCC warns on an empty format string */ + print_sys_reg_msg(p, "%s", ""); } static inline bool ignore_write(struct kvm_vcpu *vcpu, @@ -99,6 +115,24 @@ __vcpu_sys_reg(vcpu, r->reg) = r->val; } +static inline bool sysreg_hidden(const struct kvm_vcpu *vcpu, + const struct sys_reg_desc *r) +{ + if (likely(!r->visibility)) + return false; + + return r->visibility(vcpu, r) & REG_HIDDEN; +} + +static inline bool sysreg_visible_as_raz(const struct kvm_vcpu *vcpu, + const struct sys_reg_desc *r) +{ + if (likely(!r->visibility)) + return false; + + return r->visibility(vcpu, r) & REG_RAZ; +} + static inline int cmp_sys_reg(const struct sys_reg_desc *i1, const struct sys_reg_desc *i2) { @@ -123,6 +157,7 @@ const struct sys_reg_desc table[], unsigned int num); +#define AA32(_x) .aarch32_map = AA32_##_x #define Op0(_x) .Op0 = _x #define Op1(_x) .Op1 = _x #define CRn(_x) .CRn = _x @@ -130,6 +165,7 @@ #define Op2(_x) .Op2 = _x #define SYS_DESC(reg) \ + .name = #reg, \ Op0(sys_reg_Op0(reg)), Op1(sys_reg_Op1(reg)), \ CRn(sys_reg_CRn(reg)), CRm(sys_reg_CRm(reg)), \ Op2(sys_reg_Op2(reg)) -- Gitblit v1.6.2