From e45655e4c0290543aa3e6c72631a4fb3c1a4114c Mon Sep 17 00:00:00 2001 From: Anton Lydike Date: Sat, 24 Apr 2021 21:49:27 +0200 Subject: [PATCH] fixed some syscall docs --- docs/syscalls.md | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/docs/syscalls.md b/docs/syscalls.md index 69d8595..e415f09 100644 --- a/docs/syscalls.md +++ b/docs/syscalls.md @@ -15,15 +15,15 @@ The global symbols (e.g. `SCALL_READ`) are loaded by default. If you specify the ## Read (63) `SCALL_READ` * `a0`: source file descriptor -* `a1`: addr in which to read +* `a1`: addr at which to write the input * `a2`: number of bytes to read (at most) -* `return: a0` number of bytes read or -1 +* `return in a0`: number of bytes read or -1 ## Write (64) `SCALL_WRITE` * `a0`: target file descriptor -* `a1`: addr from which to read -* `a2`: number of bytes to read -* `return: a0`: number of bytes written or -1 +* `a1`: addr at which the data to be written is located +* `a2`: number of bytes to write +* `return in a0`: number of bytes written or -1 ## Exit (93) `SCALL_EXIT` * `a0`: exit code @@ -37,11 +37,11 @@ The global symbols (e.g. `SCALL_READ`) are loaded by default. If you specify the - `4`: append * `a1`: addr where path is stored * `a2`: length of path -* `return: a0`: file descriptor of opened file or -1 +* `return in a0`: file descriptor of opened file or -1 Requires flag `--scall-fs` to be set to True ## Close (1025) `SCALL_CLOSE` * `a0`: file descriptor to close -* `return: a0`: 0 if closed correctly or -1 +* `return in a0`: 0 if closed correctly or -1