diff options
Diffstat (limited to 'arch/h8300/include/asm/syscall.h')
| -rw-r--r-- | arch/h8300/include/asm/syscall.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/syscall.h b/arch/h8300/include/asm/syscall.h new file mode 100644 index 000000000..924990401 --- /dev/null +++ b/arch/h8300/include/asm/syscall.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_H8300_SYSCALLS_32_H +#define __ASM_H8300_SYSCALLS_32_H + +#ifdef __KERNEL__ + +#include <linux/compiler.h> +#include <linux/linkage.h> +#include <linux/types.h> +#include <linux/ptrace.h> + +static inline int +syscall_get_nr(struct task_struct *task, struct pt_regs *regs) +{ + return regs->orig_er0; +} + +static inline void +syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, + unsigned int i, unsigned int n, unsigned long *args) +{ + BUG_ON(i + n > 6); + + while (n > 0) { + switch (i) { + case 0: + *args++ = regs->er1; + break; + case 1: + *args++ = regs->er2; + break; + case 2: + *args++ = regs->er3; + break; + case 3: + *args++ = regs->er4; + break; + case 4: + *args++ = regs->er5; + break; + case 5: + *args++ = regs->er6; + break; + } + i++; + n--; + } +} + + + +/* Misc syscall related bits */ +asmlinkage long do_syscall_trace_enter(struct pt_regs *regs); +asmlinkage void do_syscall_trace_leave(struct pt_regs *regs); + +#endif /* __KERNEL__ */ +#endif /* __ASM_H8300_SYSCALLS_32_H */ |