ce45327ca0
Here are the patches which made on 5.1-rc6 and all are tested in our buildroot gitlab CI: https://gitlab.com/c-sky/buildroot/pipelines/57892579 - Fixup vdsp&fpu issues in kernel - Add dynamic function tracer - Use in_syscall & forget_syscall instead of r11_sig - Reconstruct signal processing - Support dynamic start physical address - Fixup wrong update_mmu_cache implementation - Support vmlinux bootup with MMU off - Use va_pa_offset instead of phys_offset - Fixup syscall_trace return processing flow - Add perf callchain support - Add perf_arch_fetch_caller_regs support - Add page fault perf event support - Add support for perf registers sampling -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE2KAv+isbWR/viAKHAXH1GYaIxXsFAlzReFYSHHJlbl9ndW9A Yy1za3kuY29tAAoJEAFx9RmGiMV71cwP/RQX7VHqH4Slak5myDlHCabzkzYJjU/a zy8RdFSfzjXkNWzz8zo68Ze+DqDBDLfRHftqikg7CpZF6nQo5vC0VfDtKJZ6x2bi 8bzuTIb5q0eZEUJmJROjnT4At3mVr+sCZlrEshI0DIAbd1BT34LLF2hE06pbBlej kH9ngVJw2XpIFJE/S2Gs0ieftOuOEvXgwxFdXrEdfr2TFR+Z9UGd8imLL4LF/2Fu rbfxFDNUAAmm6CzIzDz7BMGlQAXdMGsQiQDa3YuJ/v4yg5EuqzDz+p1bwEGxGelB R0FYjOxfLB8PUkpigb3v1E21eUHbVQsWgvWdH0ksoJIFUboH0TRRmtsjQnbBaSkE DT5tJHTzqTIIawo+PuOlQ8to3i8L6oWE0MlNG354wjgwfus21v2mWwbXzWtnYsN+ dv4VZ9NDwifrpGY6k9j+vVmqzQ2FYBtrX4R/oPBc3StYdPqKJHp2K87Y3UQVLqPH D7GxV6LHLy4RlpSbA4Zq6zZRQTQmgLFaVRXbnMuicy1QZyYzp8wagpYRh+XJVvg7 rQr8EnP2B7G8N1JLrh3B46TxuZHOSQXXTsg3fbcIlv5at3vQ1xx6KU2InKLBvALU 3ICsOnJ/UzID35zmTY0KSxzEL7u5LxJUYPd/YxKpfuN405jvnvnSCAYKm0fFuYnJ tFVd9uZc5W4q =oQ+E -----END PGP SIGNATURE----- Merge tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux Pull arch/csky updates from Guo Ren: - Fixup vdsp&fpu issues in kernel - Add dynamic function tracer - Use in_syscall & forget_syscall instead of r11_sig - Reconstruct signal processing - Support dynamic start physical address - Fixup wrong update_mmu_cache implementation - Support vmlinux bootup with MMU off - Use va_pa_offset instead of phys_offset - Fixup syscall_trace return processing flow - Add perf callchain support - Add perf_arch_fetch_caller_regs support - Add page fault perf event support - Add support for perf registers sampling * tag 'csky-for-linus-5.2-rc1' of git://github.com/c-sky/csky-linux: csky/syscall_trace: Fixup return processing flow csky: Fixup compile warning csky: Add support for perf registers sampling csky: add page fault perf event support csky: Use va_pa_offset instead of phys_offset csky: Support vmlinux bootup with MMU off csky: Add perf_arch_fetch_caller_regs support csky: Fixup wrong update_mmu_cache implementation csky: Support dynamic start physical address csky: Reconstruct signal processing csky: Use in_syscall & forget_syscall instead of r11_sig csky: Add non-uapi asm/ptrace.h namespace csky: mm/fault.c: Remove duplicate header csky: remove redundant generic-y csky: Update syscall_trace_enter/exit implementation csky: Add perf callchain support csky/ftrace: Add dynamic function tracer (include graph tracer) csky: Fixup vdsp&fpu issues in kernel
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SYSCALL_H
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#define __ASM_SYSCALL_H
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#include <linux/sched.h>
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#include <linux/err.h>
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#include <abi/regdef.h>
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#include <uapi/linux/audit.h>
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extern void *sys_call_table[];
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static inline int
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syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
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{
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return regs_syscallid(regs);
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}
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static inline void
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syscall_set_nr(struct task_struct *task, struct pt_regs *regs,
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int sysno)
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{
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regs_syscallid(regs) = sysno;
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}
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static inline void
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syscall_rollback(struct task_struct *task, struct pt_regs *regs)
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{
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regs->a0 = regs->orig_a0;
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}
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static inline long
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syscall_get_error(struct task_struct *task, struct pt_regs *regs)
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{
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unsigned long error = regs->a0;
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return IS_ERR_VALUE(error) ? error : 0;
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}
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static inline long
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syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
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{
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return regs->a0;
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}
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static inline void
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syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
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int error, long val)
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{
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regs->a0 = (long) error ?: val;
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}
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static inline void
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syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
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unsigned long *args)
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{
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args[0] = regs->orig_a0;
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args++;
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memcpy(args, ®s->a1, 5 * sizeof(args[0]));
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}
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static inline void
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syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
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const unsigned long *args)
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{
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regs->orig_a0 = args[0];
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args++;
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memcpy(®s->a1, args, 5 * sizeof(regs->a1));
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}
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static inline int
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syscall_get_arch(struct task_struct *task)
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{
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return AUDIT_ARCH_CSKY;
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}
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#endif /* __ASM_SYSCALL_H */
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