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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Copyright (C) 2026 Richard Qin */
/*
* System Information Calls
*
* Implements: uname
*
* Reference: docs/specs/syscall.md §7.3
*/
#include <lume/types.h>
#include <lume/errno.h>
#include <lume/uaccess.h>
/* Linux-compatible utsname structure (65-byte fields) */
struct utsname {
char sysname[65];
char nodename[65];
char release[65];
char version[65];
char machine[65];
char domainname[65];
};
/* Simple safe string copy */
static void safe_strncpy(char* dst, const char* src, uint64 n)
{
uint64 i = 0;
for (; i < n - 1 && src[i] != '\0'; i++)
dst[i] = src[i];
dst[i] = '\0';
}
int64 sys_uname(uint64 buf_ptr, uint64, uint64, uint64, uint64, uint64)
{
utsname info = {};
safe_strncpy(info.sysname, "LumeOS", sizeof(info.sysname));
safe_strncpy(info.nodename, "lume", sizeof(info.nodename));
safe_strncpy(info.release, "0.1.0", sizeof(info.release));
safe_strncpy(info.version, "Phase 2", sizeof(info.version));
safe_strncpy(info.machine, "riscv64", sizeof(info.machine));
safe_strncpy(info.domainname, "(none)", sizeof(info.domainname));
if (copy_to_user(buf_ptr, &info, sizeof(info)) < 0)
return -EFAULT;
return 0;
}
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