43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
|
#include "syscall/memory_object.h"
|
||
|
|
|
||
|
|
#include "boot/acpi.h"
|
||
|
|
#include "memory/physical_memory.h"
|
||
|
|
#include "scheduler/scheduler.h"
|
||
|
|
|
||
|
|
z_err_t MemoryObjectCreate(ZMemoryObjectCreateReq* req) {
|
||
|
|
auto& curr_proc = gScheduler->CurrentProcess();
|
||
|
|
*req->vmmo_cap = curr_proc.AddNewCapability(
|
||
|
|
MakeRefCounted<MemoryObject>(req->size), ZC_WRITE);
|
||
|
|
return Z_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
z_err_t MemoryObjectCreatePhysical(ZMemoryObjectCreatePhysicalReq* req) {
|
||
|
|
auto& curr_proc = gScheduler->CurrentProcess();
|
||
|
|
uint64_t paddr = req->paddr;
|
||
|
|
auto vmmo_ref = MakeRefCounted<FixedMemoryObject>(paddr, req->size);
|
||
|
|
*req->vmmo_cap = curr_proc.AddNewCapability(
|
||
|
|
StaticCastRefPtr<MemoryObject>(vmmo_ref), ZC_WRITE);
|
||
|
|
return Z_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
z_err_t MemoryObjectCreateContiguous(ZMemoryObjectCreateContiguousReq* req) {
|
||
|
|
auto& curr_proc = gScheduler->CurrentProcess();
|
||
|
|
uint64_t paddr = phys_mem::AllocateContinuous(((req->size - 1) / 0x1000) + 1);
|
||
|
|
auto vmmo_ref = MakeRefCounted<FixedMemoryObject>(paddr, req->size);
|
||
|
|
*req->vmmo_cap = curr_proc.AddNewCapability(
|
||
|
|
StaticCastRefPtr<MemoryObject>(vmmo_ref), ZC_WRITE);
|
||
|
|
*req->paddr = paddr;
|
||
|
|
return Z_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
z_err_t TempPcieConfigObjectCreate(ZTempPcieConfigObjectCreateReq* req) {
|
||
|
|
auto& curr_proc = gScheduler->CurrentProcess();
|
||
|
|
uint64_t pci_base, pci_size;
|
||
|
|
RET_ERR(GetPciExtendedConfiguration(&pci_base, &pci_size));
|
||
|
|
auto vmmo_ref = MakeRefCounted<FixedMemoryObject>(pci_base, pci_size);
|
||
|
|
*req->vmmo_cap = curr_proc.AddNewCapability(
|
||
|
|
StaticCastRefPtr<MemoryObject>(vmmo_ref), ZC_WRITE);
|
||
|
|
*req->vmmo_size = pci_size;
|
||
|
|
return Z_OK;
|
||
|
|
}
|