diff options
Diffstat (limited to 'arch/arm64/include/asm/hw_breakpoint.h')
| -rw-r--r-- | arch/arm64/include/asm/hw_breakpoint.h | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/arch/arm64/include/asm/hw_breakpoint.h b/arch/arm64/include/asm/hw_breakpoint.h index 6a53e59ced95..bd81cf17744a 100644 --- a/arch/arm64/include/asm/hw_breakpoint.h +++ b/arch/arm64/include/asm/hw_breakpoint.h @@ -1,17 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2012 ARM Ltd. - * - * 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 __ASM_HW_BREAKPOINT_H #define __ASM_HW_BREAKPOINT_H @@ -21,8 +10,6 @@ #include <asm/sysreg.h> #include <asm/virt.h> -#ifdef __KERNEL__ - struct arch_hw_breakpoint_ctrl { u32 __reserved : 19, len : 8, @@ -72,7 +59,6 @@ static inline void decode_ctrl_reg(u32 reg, /* Watchpoints */ #define ARM_BREAKPOINT_LOAD 1 #define ARM_BREAKPOINT_STORE 2 -#define AARCH64_ESR_ACCESS_MASK (1 << 6) /* Lengths */ #define ARM_BREAKPOINT_LEN_1 0x1 @@ -155,7 +141,7 @@ static inline int get_num_brps(void) u64 dfr0 = read_sanitised_ftr_reg(SYS_ID_AA64DFR0_EL1); return 1 + cpuid_feature_extract_unsigned_field(dfr0, - ID_AA64DFR0_BRPS_SHIFT); + ID_AA64DFR0_EL1_BRPs_SHIFT); } /* Determine number of WRP registers available. */ @@ -164,8 +150,15 @@ static inline int get_num_wrps(void) u64 dfr0 = read_sanitised_ftr_reg(SYS_ID_AA64DFR0_EL1); return 1 + cpuid_feature_extract_unsigned_field(dfr0, - ID_AA64DFR0_WRPS_SHIFT); + ID_AA64DFR0_EL1_WRPs_SHIFT); +} + +#ifdef CONFIG_CPU_PM +extern void cpu_suspend_set_dbg_restorer(int (*hw_bp_restore)(unsigned int)); +#else +static inline void cpu_suspend_set_dbg_restorer(int (*hw_bp_restore)(unsigned int)) +{ } +#endif -#endif /* __KERNEL__ */ #endif /* __ASM_BREAKPOINT_H */ |