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[zion] Move memory syscalls to the new format

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Drew Galbraith 2023-06-20 14:26:06 -07:00
parent f755cd38fe
commit 1a70ce4855
10 changed files with 107 additions and 175 deletions
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42
zion/syscall/memory_object.cpp Normal file
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#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;
}