| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| /* |
| * Set of msr bits that gdb can change on behalf of a process. |
| */ |
| #ifdef CONFIG_PPC_ADV_DEBUG_REGS |
| #define MSR_DEBUGCHANGE 0 |
| #else |
| #define MSR_DEBUGCHANGE (MSR_SE | MSR_BE) |
| #endif |
| |
| /* |
| * Max register writeable via put_reg |
| */ |
| #ifdef CONFIG_PPC32 |
| #define PT_MAX_PUT_REG PT_MQ |
| #else |
| #define PT_MAX_PUT_REG PT_CCR |
| #endif |
| |
| #define TVSO(f) (offsetof(struct thread_vr_state, f)) |
| #define TFSO(f) (offsetof(struct thread_fp_state, f)) |
| #define TSO(f) (offsetof(struct thread_struct, f)) |
| |
| /* |
| * These are our native regset flavors. |
| */ |
| enum powerpc_regset { |
| REGSET_GPR, |
| REGSET_FPR, |
| #ifdef CONFIG_ALTIVEC |
| REGSET_VMX, |
| #endif |
| #ifdef CONFIG_VSX |
| REGSET_VSX, |
| #endif |
| #ifdef CONFIG_SPE |
| REGSET_SPE, |
| #endif |
| #ifdef CONFIG_PPC_TRANSACTIONAL_MEM |
| REGSET_TM_CGPR, /* TM checkpointed GPR registers */ |
| REGSET_TM_CFPR, /* TM checkpointed FPR registers */ |
| REGSET_TM_CVMX, /* TM checkpointed VMX registers */ |
| REGSET_TM_CVSX, /* TM checkpointed VSX registers */ |
| REGSET_TM_SPR, /* TM specific SPR registers */ |
| REGSET_TM_CTAR, /* TM checkpointed TAR register */ |
| REGSET_TM_CPPR, /* TM checkpointed PPR register */ |
| REGSET_TM_CDSCR, /* TM checkpointed DSCR register */ |
| #endif |
| #ifdef CONFIG_PPC64 |
| REGSET_PPR, /* PPR register */ |
| REGSET_DSCR, /* DSCR register */ |
| #endif |
| #ifdef CONFIG_PPC_BOOK3S_64 |
| REGSET_TAR, /* TAR register */ |
| REGSET_EBB, /* EBB registers */ |
| REGSET_PMR, /* Performance Monitor Registers */ |
| #endif |
| #ifdef CONFIG_PPC_MEM_KEYS |
| REGSET_PKEY, /* AMR register */ |
| #endif |
| }; |
| |
| /* ptrace-(no)vsx */ |
| |
| user_regset_get2_fn fpr_get; |
| int fpr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| |
| /* ptrace-vsx */ |
| |
| int vsr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn vsr_get; |
| int vsr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| |
| /* ptrace-altivec */ |
| |
| int vr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn vr_get; |
| int vr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| |
| /* ptrace-spe */ |
| |
| int evr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn evr_get; |
| int evr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| |
| /* ptrace */ |
| |
| int gpr32_get_common(struct task_struct *target, |
| const struct user_regset *regset, |
| struct membuf to, |
| unsigned long *regs); |
| int gpr32_set_common(struct task_struct *target, |
| const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf, |
| unsigned long *regs); |
| |
| /* ptrace-tm */ |
| |
| #ifdef CONFIG_PPC_TRANSACTIONAL_MEM |
| void flush_tmregs_to_thread(struct task_struct *tsk); |
| #else |
| static inline void flush_tmregs_to_thread(struct task_struct *tsk) { } |
| #endif |
| |
| int tm_cgpr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_cgpr_get; |
| int tm_cgpr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| int tm_cfpr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_cfpr_get; |
| int tm_cfpr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| int tm_cvmx_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_cvmx_get; |
| int tm_cvmx_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| int tm_cvsx_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_cvsx_get; |
| int tm_cvsx_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| int tm_spr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_spr_get; |
| int tm_spr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| int tm_tar_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_tar_get; |
| int tm_tar_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| int tm_ppr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_ppr_get; |
| int tm_ppr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| int tm_dscr_active(struct task_struct *target, const struct user_regset *regset); |
| user_regset_get2_fn tm_dscr_get; |
| int tm_dscr_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| user_regset_get2_fn tm_cgpr32_get; |
| int tm_cgpr32_set(struct task_struct *target, const struct user_regset *regset, |
| unsigned int pos, unsigned int count, |
| const void *kbuf, const void __user *ubuf); |
| |
| /* ptrace-view */ |
| |
| int ptrace_get_reg(struct task_struct *task, int regno, unsigned long *data); |
| int ptrace_put_reg(struct task_struct *task, int regno, unsigned long data); |
| |
| extern const struct user_regset_view user_ppc_native_view; |
| |
| /* ptrace-fpu */ |
| #ifdef CONFIG_PPC_FPU_REGS |
| int ptrace_get_fpr(struct task_struct *child, int index, unsigned long *data); |
| int ptrace_put_fpr(struct task_struct *child, int index, unsigned long data); |
| #else |
| static inline int |
| ptrace_get_fpr(struct task_struct *child, int index, unsigned long *data) |
| { |
| return -EIO; |
| } |
| |
| static inline int |
| ptrace_put_fpr(struct task_struct *child, int index, unsigned long data) |
| { |
| return -EIO; |
| } |
| #endif |
| |
| /* ptrace-(no)adv */ |
| void ppc_gethwdinfo(struct ppc_debug_info *dbginfo); |
| int ptrace_get_debugreg(struct task_struct *child, unsigned long addr, |
| unsigned long __user *datalp); |
| int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, unsigned long data); |
| long ppc_set_hwdebug(struct task_struct *child, struct ppc_hw_breakpoint *bp_info); |
| long ppc_del_hwdebug(struct task_struct *child, long data); |
