/* 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 */ 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); /* 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);