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