linux_dsm_epyc7002/arch/csky/include/asm/syscall.h
Linus Torvalds ce45327ca0 arch/csky patches for 5.2-rc1
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
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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
2019-05-08 11:41:08 -07:00

78 lines
1.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SYSCALL_H
#define __ASM_SYSCALL_H
#include <linux/sched.h>
#include <linux/err.h>
#include <abi/regdef.h>
#include <uapi/linux/audit.h>
extern void *sys_call_table[];
static inline int
syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
{
return regs_syscallid(regs);
}
static inline void
syscall_set_nr(struct task_struct *task, struct pt_regs *regs,
int sysno)
{
regs_syscallid(regs) = sysno;
}
static inline void
syscall_rollback(struct task_struct *task, struct pt_regs *regs)
{
regs->a0 = regs->orig_a0;
}
static inline long
syscall_get_error(struct task_struct *task, struct pt_regs *regs)
{
unsigned long error = regs->a0;
return IS_ERR_VALUE(error) ? error : 0;
}
static inline long
syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
{
return regs->a0;
}
static inline void
syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
int error, long val)
{
regs->a0 = (long) error ?: val;
}
static inline void
syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
unsigned long *args)
{
args[0] = regs->orig_a0;
args++;
memcpy(args, &regs->a1, 5 * sizeof(args[0]));
}
static inline void
syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
const unsigned long *args)
{
regs->orig_a0 = args[0];
args++;
memcpy(&regs->a1, args, 5 * sizeof(regs->a1));
}
static inline int
syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_CSKY;
}
#endif /* __ASM_SYSCALL_H */