1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4 * Set of msr bits that gdb can change on behalf of a process.
6 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
7 #define MSR_DEBUGCHANGE 0
9 #define MSR_DEBUGCHANGE (MSR_SE | MSR_BE)
13 * Max register writeable via put_reg
16 #define PT_MAX_PUT_REG PT_MQ
18 #define PT_MAX_PUT_REG PT_CCR
21 #define TVSO(f) (offsetof(struct thread_vr_state, f))
22 #define TFSO(f) (offsetof(struct thread_fp_state, f))
23 #define TSO(f) (offsetof(struct thread_struct, f))
26 * These are our native regset flavors.
40 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
41 REGSET_TM_CGPR, /* TM checkpointed GPR registers */
42 REGSET_TM_CFPR, /* TM checkpointed FPR registers */
43 REGSET_TM_CVMX, /* TM checkpointed VMX registers */
44 REGSET_TM_CVSX, /* TM checkpointed VSX registers */
45 REGSET_TM_SPR, /* TM specific SPR registers */
46 REGSET_TM_CTAR, /* TM checkpointed TAR register */
47 REGSET_TM_CPPR, /* TM checkpointed PPR register */
48 REGSET_TM_CDSCR, /* TM checkpointed DSCR register */
51 REGSET_PPR, /* PPR register */
52 REGSET_DSCR, /* DSCR register */
54 #ifdef CONFIG_PPC_BOOK3S_64
55 REGSET_TAR, /* TAR register */
56 REGSET_EBB, /* EBB registers */
57 REGSET_PMR, /* Performance Monitor Registers */
59 #ifdef CONFIG_PPC_MEM_KEYS
60 REGSET_PKEY, /* AMR register */
66 user_regset_get2_fn fpr_get;
67 int fpr_set(struct task_struct *target, const struct user_regset *regset,
68 unsigned int pos, unsigned int count,
69 const void *kbuf, const void __user *ubuf);
73 int vsr_active(struct task_struct *target, const struct user_regset *regset);
74 user_regset_get2_fn vsr_get;
75 int vsr_set(struct task_struct *target, const struct user_regset *regset,
76 unsigned int pos, unsigned int count,
77 const void *kbuf, const void __user *ubuf);
81 int vr_active(struct task_struct *target, const struct user_regset *regset);
82 user_regset_get2_fn vr_get;
83 int vr_set(struct task_struct *target, const struct user_regset *regset,
84 unsigned int pos, unsigned int count,
85 const void *kbuf, const void __user *ubuf);
89 int evr_active(struct task_struct *target, const struct user_regset *regset);
90 user_regset_get2_fn evr_get;
91 int evr_set(struct task_struct *target, const struct user_regset *regset,
92 unsigned int pos, unsigned int count,
93 const void *kbuf, const void __user *ubuf);
97 int gpr32_get_common(struct task_struct *target,
98 const struct user_regset *regset,
100 unsigned long *regs);
101 int gpr32_set_common(struct task_struct *target,
102 const struct user_regset *regset,
103 unsigned int pos, unsigned int count,
104 const void *kbuf, const void __user *ubuf,
105 unsigned long *regs);
109 #ifdef CONFIG_PPC_TRANSACTIONAL_MEM
110 void flush_tmregs_to_thread(struct task_struct *tsk);
112 static inline void flush_tmregs_to_thread(struct task_struct *tsk) { }
115 int tm_cgpr_active(struct task_struct *target, const struct user_regset *regset);
116 user_regset_get2_fn tm_cgpr_get;
117 int tm_cgpr_set(struct task_struct *target, const struct user_regset *regset,
118 unsigned int pos, unsigned int count,
119 const void *kbuf, const void __user *ubuf);
120 int tm_cfpr_active(struct task_struct *target, const struct user_regset *regset);
121 user_regset_get2_fn tm_cfpr_get;
122 int tm_cfpr_set(struct task_struct *target, const struct user_regset *regset,
123 unsigned int pos, unsigned int count,
124 const void *kbuf, const void __user *ubuf);
125 int tm_cvmx_active(struct task_struct *target, const struct user_regset *regset);
126 user_regset_get2_fn tm_cvmx_get;
127 int tm_cvmx_set(struct task_struct *target, const struct user_regset *regset,
128 unsigned int pos, unsigned int count,
129 const void *kbuf, const void __user *ubuf);
130 int tm_cvsx_active(struct task_struct *target, const struct user_regset *regset);
131 user_regset_get2_fn tm_cvsx_get;
132 int tm_cvsx_set(struct task_struct *target, const struct user_regset *regset,
133 unsigned int pos, unsigned int count,
134 const void *kbuf, const void __user *ubuf);
135 int tm_spr_active(struct task_struct *target, const struct user_regset *regset);
136 user_regset_get2_fn tm_spr_get;
137 int tm_spr_set(struct task_struct *target, const struct user_regset *regset,
138 unsigned int pos, unsigned int count,
139 const void *kbuf, const void __user *ubuf);
140 int tm_tar_active(struct task_struct *target, const struct user_regset *regset);
141 user_regset_get2_fn tm_tar_get;
142 int tm_tar_set(struct task_struct *target, const struct user_regset *regset,
143 unsigned int pos, unsigned int count,
144 const void *kbuf, const void __user *ubuf);
145 int tm_ppr_active(struct task_struct *target, const struct user_regset *regset);
146 user_regset_get2_fn tm_ppr_get;
147 int tm_ppr_set(struct task_struct *target, const struct user_regset *regset,
148 unsigned int pos, unsigned int count,
149 const void *kbuf, const void __user *ubuf);
150 int tm_dscr_active(struct task_struct *target, const struct user_regset *regset);
151 user_regset_get2_fn tm_dscr_get;
152 int tm_dscr_set(struct task_struct *target, const struct user_regset *regset,
153 unsigned int pos, unsigned int count,
154 const void *kbuf, const void __user *ubuf);
155 user_regset_get2_fn tm_cgpr32_get;
156 int tm_cgpr32_set(struct task_struct *target, const struct user_regset *regset,
157 unsigned int pos, unsigned int count,
158 const void *kbuf, const void __user *ubuf);
162 extern const struct user_regset_view user_ppc_native_view;
165 void ppc_gethwdinfo(struct ppc_debug_info *dbginfo);
166 int ptrace_get_debugreg(struct task_struct *child, unsigned long addr,
167 unsigned long __user *datalp);
168 int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, unsigned long data);
169 long ppc_set_hwdebug(struct task_struct *child, struct ppc_hw_breakpoint *bp_info);
170 long ppc_del_hwdebug(struct task_struct *child, long data);