789154c2ad
HI, LO, DSPCR registers are 807/810 related regs and no need for 610/860. All of the regs must be saved in pt_regs and switch_stack. This patch fixup saving dspcr reg in switch_stack and pt_regs. Signed-off-by: Guo Ren <ren_guo@c-sky.com>
68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
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#ifndef _CSKY_PTRACE_H
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#define _CSKY_PTRACE_H
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#ifndef __ASSEMBLY__
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struct pt_regs {
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unsigned long tls;
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unsigned long lr;
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unsigned long pc;
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unsigned long sr;
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unsigned long usp;
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/*
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* a0, a1, a2, a3:
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* abiv1: r2, r3, r4, r5
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* abiv2: r0, r1, r2, r3
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*/
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unsigned long orig_a0;
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unsigned long a0;
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unsigned long a1;
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unsigned long a2;
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unsigned long a3;
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/*
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* ABIV2: r4 ~ r13
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* ABIV1: r6 ~ r14, r1
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*/
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unsigned long regs[10];
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#if defined(__CSKYABIV2__)
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/* r16 ~ r30 */
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unsigned long exregs[15];
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unsigned long rhi;
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unsigned long rlo;
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unsigned long dcsr;
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#endif
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};
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struct user_fp {
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unsigned long vr[96];
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unsigned long fcr;
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unsigned long fesr;
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unsigned long fid;
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unsigned long reserved;
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};
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#ifdef __KERNEL__
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#define PS_S 0x80000000 /* Supervisor Mode */
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#define arch_has_single_step() (1)
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#define current_pt_regs() \
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({ (struct pt_regs *)((char *)current_thread_info() + THREAD_SIZE) - 1; })
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#define user_stack_pointer(regs) ((regs)->usp)
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#define user_mode(regs) (!((regs)->sr & PS_S))
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#define instruction_pointer(regs) ((regs)->pc)
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#define profile_pc(regs) instruction_pointer(regs)
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#endif /* __KERNEL__ */
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#endif /* __ASSEMBLY__ */
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#endif /* _CSKY_PTRACE_H */
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