1 // SPDX-License-Identifier: GPL-2.0-or-later
3 #include <linux/regset.h>
5 #include <asm/switch_to.h>
7 #include "ptrace-decl.h"
9 int ptrace_get_fpr(struct task_struct *child, int index, unsigned long *data)
11 #ifdef CONFIG_PPC_FPU_REGS
12 unsigned int fpidx = index - PT_FPR0;
18 #ifdef CONFIG_PPC_FPU_REGS
19 flush_fp_to_thread(child);
20 if (fpidx < (PT_FPSCR - PT_FPR0))
21 memcpy(data, &child->thread.TS_FPR(fpidx), sizeof(long));
23 *data = child->thread.fp_state.fpscr;
31 int ptrace_put_fpr(struct task_struct *child, int index, unsigned long data)
33 #ifdef CONFIG_PPC_FPU_REGS
34 unsigned int fpidx = index - PT_FPR0;
40 #ifdef CONFIG_PPC_FPU_REGS
41 flush_fp_to_thread(child);
42 if (fpidx < (PT_FPSCR - PT_FPR0))
43 memcpy(&child->thread.TS_FPR(fpidx), &data, sizeof(long));
45 child->thread.fp_state.fpscr = data;