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Update kernel

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This commit is contained in:
EnderIce2
2024-01-19 06:47:42 +02:00
parent fd15592608
commit 96daa43d38
282 changed files with 25486 additions and 15700 deletions
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24
syscalls/native/munmap.cpp
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@ -25,24 +25,10 @@
#include "../../syscalls.h"
#include "../../kernel.h"
#include "../../ipc.h"
using InterProcessCommunication::IPC;
using InterProcessCommunication::IPCID;
using Tasking::PCB;
using Tasking::TCB;
using Tasking::TaskState::Ready;
using Tasking::TaskState::Terminated;
using namespace Memory;
#define SysFrm SyscallsFrame
#if defined(a64)
typedef long arch_t;
#elif defined(a32)
typedef int arch_t;
#endif
/* https://pubs.opengroup.org/onlinepubs/009604499/functions/munmap.html */
int sys_munmap(SysFrm *,
void *addr, size_t len)
@ -53,16 +39,16 @@ int sys_munmap(SysFrm *,
if (len == 0)
return -EINVAL;
Tasking::PCB *pcb = thisProcess;
Memory::VirtualMemoryArea *vma = pcb->vma;
Memory::Virtual vmm = Memory::Virtual(pcb->PageTable);
PCB *pcb = thisProcess;
VirtualMemoryArea *vma = pcb->vma;
Virtual vmm = Virtual(pcb->PageTable);
for (uintptr_t i = uintptr_t(addr);
i < uintptr_t(addr) + len;
i += PAGE_SIZE)
{
if (likely(!vmm.Check((void *)i, Memory::G)))
vmm.Remap((void *)i, (void *)i, Memory::P | Memory::RW);
if (likely(!vmm.Check((void *)i, G)))
vmm.Remap((void *)i, (void *)i, P | RW);
else
warn("%p is a global page", (void *)i);
}