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| author | Andrew Waterman <waterman@eecs.berkeley.edu> | 2014-02-04 15:29:06 -0800 |
|---|---|---|
| committer | Andrew Waterman <waterman@eecs.berkeley.edu> | 2014-02-04 15:29:06 -0800 |
| commit | f1f8dbbed01d67a3cb64a17c73078d124c33d2ab (patch) | |
| tree | 77181fb45946e2a5883b87d09d65d08439186672 /pk/syscall.h | |
| parent | ac88604e8850779c33ec888ccc8399604fb2677c (diff) | |
| download | riscv-pk-f1f8dbbed01d67a3cb64a17c73078d124c33d2ab.zip riscv-pk-f1f8dbbed01d67a3cb64a17c73078d124c33d2ab.tar.gz riscv-pk-f1f8dbbed01d67a3cb64a17c73078d124c33d2ab.tar.bz2 | |
Abandon MIPS convention for indicating syscall errors in register a3
Diffstat (limited to 'pk/syscall.h')
| -rw-r--r-- | pk/syscall.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/pk/syscall.h b/pk/syscall.h index f759e83..fcb3423 100644 --- a/pk/syscall.h +++ b/pk/syscall.h @@ -1,6 +1,15 @@ // See LICENSE for license details. +#ifndef _PK_SYSCALL_H +#define _PK_SYSCALL_H + #include <machine/syscall.h> +#define IS_ERR_VALUE(x) ((unsigned long)(x) >= (unsigned long)-4096) +#define ERR_PTR(x) ((void*)(long)(x)) +#define PTR_ERR(x) ((long)(x)) + void sys_exit(int code) __attribute__((noreturn)); -sysret_t syscall(long a0, long a1, long a2, long a3, long a4, long a5, long n); +long syscall(long a0, long a1, long a2, long a3, long a4, long a5, long n); + +#endif |