From 3db86a30644d3eb3a964202dbfd7e91c432bda7b Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Sat, 16 Mar 2024 12:42:25 -0400
Subject: kernel: syscall: Remove syscall_args.ret
It is better to just return a value within the syscall handler and
have that passed down to __syscall() like that
Signed-off-by: Ian Moffett <ian@osmora.org>
---
sys/arch/amd64/amd64/syscall.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
(limited to 'sys/arch/amd64')
diff --git a/sys/arch/amd64/amd64/syscall.c b/sys/arch/amd64/amd64/syscall.c
index 9b1f988..e80fe94 100644
--- a/sys/arch/amd64/amd64/syscall.c
+++ b/sys/arch/amd64/amd64/syscall.c
@@ -39,13 +39,10 @@ __syscall(struct trapframe *tf)
.arg2 = tf->rcx,
.arg3 = tf->r8,
.arg4 = tf->r9,
- .sp = tf->rsp,
- .ret = tf->rax,
+ .sp = tf->rsp
};
if (args.code < __MAX_SYSCALLS) {
- g_syscall_table[tf->rax](&args);
+ tf->rax = g_syscall_table[tf->rax](&args);
}
-
- tf->rax = args.ret;
}
--
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