os-k-team/os-k
os-k-team
/
os-k
2
0
Fork 0
Code Issues 1 Pull Requests Packages Projects Releases Wiki Activity

paging and allocator functional, heap bug resolved #67

This commit is contained in:
Adrien Bourmault 2020-01-20 19:38:27 +01:00
parent 5b69c0a1e9
commit deb2c0ed3b
2 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
kaleid/kernel/mm/paging.c
View File

@ -87,7 +87,7 @@ void MmInitPaging(void)
// Alloc structures
memzero((void *)&MmPageMapLevel4[0], 512*sizeof(ulong));
KalAllocMemoryEx((void**)&MmPhysicalPageTable, phDirSize, M_ZEROED, KPAGESIZE);
MmPhysicalPageTable = memalign(phDirSize, KPAGESIZE);
//DebugLog("\t\t\t\tPhysical map addr : %p\n", MmPhysicalPageTable);
@ -105,7 +105,7 @@ void MmInitPaging(void)
continue;
}
KalAllocMemoryEx((void**)&MmPDP, 512*sizeof(pde_t), M_ZEROED, KPAGESIZE);
MmPDP = memalign(512*sizeof(pde_t), KPAGESIZE);
if (!firstDirectoryAddr) {
firstDirectoryAddr = (ulong)MmPDP;
@ -128,7 +128,7 @@ void MmInitPaging(void)
continue;
}
KalAllocMemoryEx((void**)&MmPD, 512*sizeof(pde_t), M_ZEROED, KPAGESIZE);
MmPD = memalign(512*sizeof(pde_t), KPAGESIZE);
index = (curAddrPDP / ((ulong)KPAGESIZE * 0x40000)) % 512;
@ -149,7 +149,7 @@ void MmInitPaging(void)
continue;
}
KalAllocMemoryEx((void**)&MmPT, 512*sizeof(pte_t), M_ZEROED, KPAGESIZE);
MmPT = memalign(512*sizeof(pte_t), KPAGESIZE);
//DebugLog("\t\t\t\tPT %d : %p\n", index, MmPT);
MmPD[index] = (pte_t *)((ulong)MmPT | PRESENT | READWRITE);
@ -232,7 +232,7 @@ ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
if (!((ulong)MmPageMapLevel4[pml4Index] & 0xFFFFFFFFFF000)) { // Select bit from 12 to 51
// Alloc space
KalAllocMemoryEx((void**)&MmPageMapLevel4[pml4Index], 512*sizeof(pdpe_t), M_ZEROED, KPAGESIZE);
MmPageMapLevel4[pml4Index] = memalign(512*sizeof(pdpe_t), KPAGESIZE);
// Set present
MmPageMapLevel4[pml4Index] = (pml4_t)((ulong)MmPageMapLevel4[pml4Index] | PRESENT | READWRITE);
@ -248,7 +248,7 @@ ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
if (!((ulong)pdp[pdpIndex] & 0xFFFFFFFFFF000)) { // Select bit from 12 to 51
KalAllocMemoryEx((void**)&pdp[pdpIndex], 512*sizeof(pde_t), M_ZEROED, KPAGESIZE);
pdp[pdpIndex] = memalign(512*sizeof(pde_t), KPAGESIZE);
pdp[pdpIndex] = (pdpe_t)((ulong)pdp[pdpIndex] | PRESENT | READWRITE);
@ -262,8 +262,8 @@ ulong *MmGetPageDescriptorFromVirtual(void *virtualAddr)
DebugLog("\tPD[%d] = %p\n", pdIndex, pd[pdIndex]);
if (!((ulong)pd[pdIndex] & 0xFFFFFFFFFF000)) { // Select bit from 12 to 51
//
KalAllocMemoryEx((void**)&pd[pdIndex], 512*sizeof(pte_t), M_ZEROED, KPAGESIZE);
pd[pdIndex] = memalign(512*sizeof(pte_t), KPAGESIZE);
pd[pdIndex] = (pde_t)((ulong)pd[pdIndex] | PRESENT | READWRITE);

2
kaleid/kernel/mm/palloc.c
View File

@ -297,7 +297,7 @@ error_t MmTestBusyPage(void)
ulong a = KeGetTicks();
DebugLog("Start alloc 30 MB: %lu s\n", a/1000);
tab[j++] = MmAllocPageFrame(5*MB, NORMAL);
tab[j++] = MmAllocPageFrame(513*4*KB, NORMAL);
tab[j++] = MmAllocPageFrame(5*MB, NORMAL);
ulong b = KeGetTicks();
DebugLog("End alloc : %lu s\n", b/1000);
DebugLog("Alloc time : %lu s\n", (b-a)/1000);