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feat(kernel/syscalls): implement semi-stub linux_sysinfo

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Signed-off-by: EnderIce2 <enderice2@protonmail.com>
This commit is contained in:
EnderIce2
2025-04-03 06:46:26 +00:00
parent 75dd958316
commit 1a48d05042
2 changed files with 53 additions and 2 deletions
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36
Kernel/subsystem/linux/syscall.cpp
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@ -2547,6 +2547,38 @@ static int linux_getrusage(SysFrm *, int who, struct rusage *usage)
return 0;
}
static int linux_sysinfo(SysFrm *, struct sysinfo *info)
{
PCB *pcb = thisProcess;
Memory::VirtualMemoryArea *vma = pcb->vma;
auto pInfo = vma->UserCheckAndGetAddress(info);
if (pInfo == nullptr)
return -linux_EFAULT;
uint64_t nano = TimeManager->GetNanosecondsSinceClassCreation();
if (nano != 0)
nano /= 10000000;
pInfo->uptime = nano;
pInfo->loads[0] = 0;
pInfo->loads[1] = 0;
pInfo->loads[2] = 0;
pInfo->totalram = KernelAllocator.GetTotalMemory() - KernelAllocator.GetReservedMemory();
pInfo->freeram = KernelAllocator.GetFreeMemory();
pInfo->sharedram = 0;
pInfo->bufferram = 0;
pInfo->totalswap = 0;
pInfo->freeswap = 0;
pInfo->procs = TaskManager->GetProcessList().size();
pInfo->totalhigh = 0;
pInfo->freehigh = 0;
pInfo->mem_unit = 1;
if (sizeof(pInfo->_f) != 0)
memset(pInfo->_f, 0, sizeof(pInfo->_f));
return 0;
}
static int linux_syslog(SysFrm *, int type, char *bufp, int size)
{
PCB *pcb = thisProcess;
@ -3629,7 +3661,7 @@ static SyscallData LinuxSyscallsTableAMD64[] = {
[__NR_amd64_gettimeofday] = {"gettimeofday", (void *)nullptr},
[__NR_amd64_getrlimit] = {"getrlimit", (void *)nullptr},
[__NR_amd64_getrusage] = {"getrusage", (void *)linux_getrusage},
[__NR_amd64_sysinfo] = {"sysinfo", (void *)nullptr},
[__NR_amd64_sysinfo] = {"sysinfo", (void *)linux_sysinfo},
[__NR_amd64_times] = {"times", (void *)nullptr},
[__NR_amd64_ptrace] = {"ptrace", (void *)nullptr},
[__NR_amd64_getuid] = {"getuid", (void *)linux_getuid},
@ -4096,7 +4128,7 @@ static SyscallData LinuxSyscallsTableI386[] = {
[__NR_i386_vm86old] = {"vm86old", (void *)nullptr},
[__NR_i386_wait4] = {"wait4", (void *)linux_wait4},
[__NR_i386_swapoff] = {"swapoff", (void *)nullptr},
[__NR_i386_sysinfo] = {"sysinfo", (void *)nullptr},
[__NR_i386_sysinfo] = {"sysinfo", (void *)linux_sysinfo},
[__NR_i386_ipc] = {"ipc", (void *)nullptr},
[__NR_i386_fsync] = {"fsync", (void *)nullptr},
[__NR_i386_sigreturn] = {"sigreturn", (void *)nullptr},