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/*
* Copyright (c) 2006-2025 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-06-10 Bernard first version
* 2021-02-03 lizhirui add limit condition for network syscall and add 64-bit arch support
* 2021-02-06 lizhirui fix some bugs
* 2021-02-12 lizhirui add 64-bit support for sys_brk
* 2021-02-20 lizhirui fix some warnings
* 2023-03-13 WangXiaoyao Format & fix syscall return value
* 2023-07-06 Shell adapt the signal API, and clone, fork to new implementation of lwp signal
* 2023-07-27 Shell Move tid_put() from lwp_free() to sys_exit()
* 2023-11-16 xqyjlj fix some syscalls (about sched_*, get/setpriority)
* 2023-11-17 xqyjlj add process group and session support
* 2023-11-30 Shell Fix sys_setitimer() and exit(status)
*/
#include "syscall_internal.h"
sysret_t sys_notimpl(void)
{
return -ENOSYS;
}
uint32_t sys_hw_interrupt_disable(void)
{
return rt_hw_interrupt_disable();
}
void sys_hw_interrupt_enable(uint32_t level)
{
rt_hw_interrupt_enable(level);
}
#ifdef ARCH_MM_MMU
void *kmem_get(size_t size)
{
return rt_malloc(size);
}
void kmem_put(void *kptr)
{
rt_free(kptr);
}
#endif /* ARCH_MM_MMU */
#ifdef RT_USING_SAL
/* The same socket option is defined differently in the user interfaces and the
* implementation. The options should be converted in the kernel. */
void convert_sockopt(int *level, int *optname)
{
if (*level == INTF_SOL_SOCKET)
{
*level = IMPL_SOL_SOCKET;
switch (*optname)
{
case INTF_SO_REUSEADDR:
*optname = IMPL_SO_REUSEADDR;
break;
case INTF_SO_KEEPALIVE:
*optname = IMPL_SO_KEEPALIVE;
break;
case INTF_SO_BROADCAST:
*optname = IMPL_SO_BROADCAST;
break;
case INTF_SO_ACCEPTCONN:
*optname = IMPL_SO_ACCEPTCONN;
break;
case INTF_SO_DONTROUTE:
*optname = IMPL_SO_DONTROUTE;
break;
case INTF_SO_LINGER:
*optname = IMPL_SO_LINGER;
break;
case INTF_SO_OOBINLINE:
*optname = IMPL_SO_OOBINLINE;
break;
case INTF_SO_REUSEPORT:
*optname = IMPL_SO_REUSEPORT;
break;
case INTF_SO_SNDBUF:
*optname = IMPL_SO_SNDBUF;
break;
case INTF_SO_RCVBUF:
*optname = IMPL_SO_RCVBUF;
break;
case INTF_SO_SNDLOWAT:
*optname = IMPL_SO_SNDLOWAT;
break;
case INTF_SO_RCVLOWAT:
*optname = IMPL_SO_RCVLOWAT;
break;
case INTF_SO_SNDTIMEO:
*optname = IMPL_SO_SNDTIMEO;
break;
case INTF_SO_RCVTIMEO:
*optname = IMPL_SO_RCVTIMEO;
break;
case INTF_SO_ERROR:
*optname = IMPL_SO_ERROR;
break;
case INTF_SO_TYPE:
*optname = IMPL_SO_TYPE;
break;
case INTF_SO_NO_CHECK:
*optname = IMPL_SO_NO_CHECK;
break;
case INTF_SO_BINDTODEVICE:
*optname = IMPL_SO_BINDTODEVICE;
break;
case INTF_SO_TIMESTAMPNS:
*optname = IMPL_SO_TIMESTAMPNS;
break;
case INTF_SO_TIMESTAMPING:
*optname = IMPL_SO_TIMESTAMPING;
break;
case INTF_SO_SELECT_ERR_QUEUE:
*optname = IMPL_SO_SELECT_ERR_QUEUE;
break;
/*
* SO_DONTLINGER (*level = ((int)(~SO_LINGER))),
* SO_USELOOPBACK (*level = 0x0040) and
* SO_CONTIMEO (*level = 0x1009) are not supported for now.
*/
default:
*optname = 0;
break;
}
return;
}
if (*level == INTF_IPPROTO_IP)
{
*level = IMPL_IPPROTO_IP;
switch (*optname)
{
case INTF_IP_TTL:
*optname = IMPL_IP_TTL;
break;
case INTF_IP_TOS:
*optname = IMPL_IP_TOS;
break;
case INTF_IP_MULTICAST_TTL:
*optname = IMPL_IP_MULTICAST_TTL;
break;
case INTF_IP_MULTICAST_IF:
*optname = IMPL_IP_MULTICAST_IF;
break;
case INTF_IP_MULTICAST_LOOP:
*optname = IMPL_IP_MULTICAST_LOOP;
break;
case INTF_IP_ADD_MEMBERSHIP:
*optname = IMPL_IP_ADD_MEMBERSHIP;
break;
case INTF_IP_DROP_MEMBERSHIP:
*optname = IMPL_IP_DROP_MEMBERSHIP;
break;
default:
break;
}
}
if (*level == INTF_IPPROTO_TCP)
{
*level = IMPL_IPPROTO_TCP;
switch (*optname)
{
case INTF_TCP_NODELAY:
*optname = IMPL_TCP_NODELAY;
break;
case INTF_TCP_KEEPALIVE:
*optname = IMPL_TCP_KEEPALIVE;
break;
case INTF_TCP_KEEPIDLE:
*optname = IMPL_TCP_KEEPIDLE;
break;
case INTF_TCP_KEEPINTVL:
*optname = IMPL_TCP_KEEPINTVL;
break;
case INTF_TCP_KEEPCNT:
*optname = IMPL_TCP_KEEPCNT;
break;
default:
break;
}
return;
}
if (*level == INTF_IPPROTO_IPV6)
{
*level = IMPL_IPPROTO_IPV6;
switch (*optname)
{
case INTF_IPV6_V6ONLY:
*optname = IMPL_IPV6_V6ONLY;
break;
default:
break;
}
return;
}
}
#endif /* RT_USING_SAL */
#if defined(RT_USING_LWIP) || defined(SAL_USING_UNET) || defined(RT_USING_SAL)
void sockaddr_tolwip(const struct musl_sockaddr *std, struct sockaddr *lwip)
{
if (std && lwip)
{
lwip->sa_len = sizeof(*lwip);
lwip->sa_family = (sa_family_t)std->sa_family;
memcpy(lwip->sa_data, std->sa_data, sizeof(lwip->sa_data));
}
}
void sockaddr_tomusl(const struct sockaddr *lwip, struct musl_sockaddr *std)
{
if (std && lwip)
{
std->sa_family = (uint16_t)lwip->sa_family;
memcpy(std->sa_data, lwip->sa_data, sizeof(std->sa_data));
}
}
#endif
void _crt_thread_entry(void *parameter)
{
rt_thread_t tid;
rt_size_t user_stack;
tid = rt_thread_self();
user_stack = (rt_size_t)tid->user_stack + tid->user_stack_size;
user_stack &= ~7; /* align 8 */
#ifdef ARCH_MM_MMU
arch_crt_start_umode(parameter, tid->user_entry, (void *)user_stack, (char *)tid->stack_addr + tid->stack_size);
#else
set_user_context((void *)user_stack);
arch_start_umode(parameter, tid->user_entry, ((struct rt_lwp *)tid->lwp)->data_entry, (void *)user_stack);
#endif /* ARCH_MM_MMU */
}
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