chibicitiberiu/luxos
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[????] BUILD 0.1.1.??? DATE 9/0?/2011 AT ?:?? ??

Browse Source 
====================================================
Mainly changed: Tasking
+ Implemented multitasking
This commit is contained in:
Tiberiu Chibici 2021-09-14 18:54:59 +03:00
parent 04449cb787
commit e3b3584734
36 changed files with 427 additions and 400 deletions
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4
2011-09-08-11-08-21.095-VirtualBox.exe-4800.log Normal file
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@ -0,0 +1,4 @@
Log created: 2011-09-08T11:08:21.957118500Z
Executable: C:\PROGRA~1\oracle\Virtua~1\VirtualBox.exe
Commandline: C:\PROGRA~1\oracle\Virtua~1\\virtualbox --startvm "lux Testbed" --dbg
fatal error in recompiler cpu: triple fault

4
2011-09-08-11-55-49.039-VirtualBox.exe-2220.log Normal file
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@ -0,0 +1,4 @@
Log created: 2011-09-08T11:55:49.393922000Z
Executable: C:\PROGRA~1\oracle\Virtua~1\VirtualBox.exe
Commandline: C:\PROGRA~1\oracle\Virtua~1\\virtualbox --startvm "lux Testbed" --dbg
fatal error in recompiler cpu: triple fault

BIN
Build/loader.o
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Binary file not shown.

2
Kernel/debug/commands.c
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@ -173,7 +173,7 @@ void _CommandMemPrintMemmap()
blocks = n - old; blocks = n - old;
used = 0; used = 0;
for (; old < n; old++) for (; old < n; old++)
used += (MemPhGetFrame(old) != 0); used += (MemPhGetBlock (old) != 0);
if (used <= blocks / 5) c = ' '; if (used <= blocks / 5) c = ' ';
else if (used > 4 * blocks / 5) c = 219; else if (used > 4 * blocks / 5) c = 219;

2
Kernel/debug/console-base.c
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@ -55,7 +55,7 @@ Point ConsoleGetCursor()
return ConsoleCursor; return ConsoleCursor;
} }
extern void ConsoleSetCursor(Point p) void ConsoleSetCursor(Point p)
{ {
ConsoleCursor = p; ConsoleCursor = p;
} }

5
Kernel/drivers/drivers.c
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@ -29,6 +29,7 @@ void DriversInstall()
DriversInstall_Clock(); DriversInstall_Clock();
// Install fdc // Install fdc
IrqInstallHandler(6, FloppyIrqHandler); Error ("Floppy", "Floppy driver is currently disabled.\n");
FloppyInitialize(); //IrqInstallHandler(6, FloppyIrqHandler);
//FloppyInitialize();
} }

10
Kernel/hal/filesys/initrd/initrd.c
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@ -180,13 +180,16 @@ void luxInitrdInstall (MultibootInfo* info)
VfsInstallFs(&fs); VfsInstallFs(&fs);
// Check for multiboot info flags to see if any modules are loaded // Check for multiboot info flags to see if any modules are loaded
if ((info->Flags & 8) == 0) return; if ((info->Flags & 8) == 0) {
Error("Initrd", "No boot modules found!");
return;
}
// Loop through each module and if it is an initrd image, mount it // Loop through each module and if it is an initrd image, mount it
MultibootModule* modules = (MultibootModule*) info->ModulesAddress; MultibootModule* modules = (MultibootModule*) info->ModulesAddress;
for (i = 0; i < info->ModulesCount; i++) for (i = 0; i < info->ModulesCount; i++)
if ((*(uint32*) modules[i].ModuleStart) == LUXMAGIC) if (*((uint32*) modules[i].ModuleStart) == LUXMAGIC)
{ {
// Mount the device // Mount the device
Log("Initrd", "Found initrd image at 0x%x.\n", modules[i].ModuleStart); Log("Initrd", "Found initrd image at 0x%x.\n", modules[i].ModuleStart);
@ -196,4 +199,7 @@ void luxInitrdInstall (MultibootInfo* info)
mp->FsData[0] = modules[i].ModuleStart; mp->FsData[0] = modules[i].ModuleStart;
mp->FsData[1] = modules[i].ModuleEnd; mp->FsData[1] = modules[i].ModuleEnd;
} }
else {
Log("Initrd", "Found module @ 0x%x, but not initrd image.\n", modules[i].ModuleStart);
}
} }

2
Kernel/hal/hal.c
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@ -34,7 +34,7 @@ void HalInitialize()
KeyboardInstallB(); Log("HAL", "%#[2/2]\n", ColorLightGreen); KeyboardInstallB(); Log("HAL", "%#[2/2]\n", ColorLightGreen);
// Install mouse driver // Install mouse driver
MouseInstall(); Log("HAL", "Installed mouse driver\n"); //MouseInstall(); Log("HAL", "Installed mouse driver\n");
// Install VFS // Install VFS
VfsInstall(); VfsInstall();

4
Kernel/hal/vfs.c
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@ -228,6 +228,10 @@ DirectoryEntry* VfsReadDirectory (FILE* handle, uint32 index)
if (!handle) return NULL; if (!handle) return NULL;
MountPoint* mp = &(mpArray[handle->DeviceId]); MountPoint* mp = &(mpArray[handle->DeviceId]);
// Don't try to read files as directories
if ((handle->Flags & 0x7) == FileFile) return NULL;
// Ask FS to make the read
if (!fsArray[mp->FsId].ReadDirectory) return NULL; if (!fsArray[mp->FsId].ReadDirectory) return NULL;
return fsArray[mp->FsId].ReadDirectory(mp, handle, index); return fsArray[mp->FsId].ReadDirectory(mp, handle, index);
} }

37
Kernel/include/memory-add.h
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@ -33,8 +33,6 @@ enum PageFlags
PageFrame = 0xFFFFF000 PageFrame = 0xFFFFF000
}; };
typedef struct { typedef struct {
Page Pages[1024]; Page Pages[1024];
} PageTable; } PageTable;
@ -48,25 +46,28 @@ typedef struct {
extern PageDirectory* CurrentDirectory; extern PageDirectory* CurrentDirectory;
extern PageDirectory* KernelDirectory; extern PageDirectory* KernelDirectory;
extern void PagingInitialize(uint32 SystemMemory); extern void PagingEnable ();
extern void PagingSwitchPageDirectory (PageDirectory* dir); extern void PagingDisable ();
extern Page* PagingGetPage(uint32 addr, uint8 make, PageDirectory* dir); extern void PagingSwitchDirectory (PageDirectory* dir);
extern void PagingFlushTlb ();
extern void PagingInitialize (uint32* kernelEnd);
extern void PagingMapPage (uint32 phys, uint32 virt, uint32 flags, PageDirectory* pd);
extern void PagingUnmapPage (uint32 virt, PageDirectory* pd);
extern uint32 PagingGetPhysical (uint32 virt, PageDirectory* pd);
/*************************************************** /***************************************************
* Physical memory manager * * Physical memory manager *
***************************************************/ ***************************************************/
extern uint32 TotalFrames; extern uint32 TotalBlocks;
extern uint32 TotalMemory; extern uint32 TotalMemory;
extern uint32 UsedFrames; extern uint32 UsedBlocks;
void MemPhInitialize(uint32 SystemMemoryKb); extern void MemPhInitialize (uint32 SystemMemoryKb);
extern void MemPhSetFrame (uint32 frame, uint8 value); extern void MemPhSetBlock (uint32 Block, uint8 value);
uint32 MemPhGetFrame (uint32 frame); extern uint32 MemPhGetBlock (uint32 Block);
uint32 MemPhFindFreeFrame(); extern uint32 MemPhAllocateBlock ();
void MemPhAllocFrame(Page* page, uint8 isKernel, uint8 isWriteable); extern void MemPhFreeBlock (uint32 addr);
void MemPhFreeFrame(Page* page); extern void MemPhReserveBlocks (uint32 address, uint32 length);
void MemPhReserveFrames (uint32 address, uint32 length);
/*************************************************** /***************************************************
@ -84,9 +85,9 @@ extern MemHeap* KernelHeap;
extern uint32 MemHeapFindSmallestHole (uint32 size, uint8 page_align, MemHeap* heap); extern uint32 MemHeapFindSmallestHole (uint32 size, uint8 page_align, MemHeap* heap);
extern int32 MemHeapCompare (uint32 a, uint32 b); extern int32 MemHeapCompare (uint32 a, uint32 b);
extern MemHeap* MemHeapCreate(uint32 start, uint32 end, uint32 max, uint8 flags); extern MemHeap* MemHeapCreate (uint32 start, uint32 end, uint32 max, uint8 flags);
extern void MemHeapExpand(uint32 newsz, MemHeap* heap, PageDirectory* pd); extern uint32 MemHeapExpand (uint32 newsz, MemHeap* heap, PageDirectory* pd);
extern uint32 MemHeapContract(uint32 newsz, MemHeap* heap, PageDirectory* pd); extern uint32 MemHeapContract (uint32 newsz, MemHeap* heap, PageDirectory* pd);
extern uint32 MemHeapAlloc (uint32 size, uint8 isPageAligned, MemHeap* heap, PageDirectory* pd); extern uint32 MemHeapAlloc (uint32 size, uint8 isPageAligned, MemHeap* heap, PageDirectory* pd);
extern void MemHeapFree (uint32 address, MemHeap* heap, PageDirectory* pd); extern void MemHeapFree (uint32 address, MemHeap* heap, PageDirectory* pd);

2
Kernel/include/version.h
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@ -1 +1 @@
#define OS_BUILD "0.1.0.601" #define OS_BUILD "0.1.0.629"

3
Kernel/library/memory/memory_alloc.c
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@ -28,8 +28,7 @@ uint32 _malloc_init2 (uint32 size, uint8 page_aligned, uint32* phys)
if (phys) if (phys)
{ {
Page *pg = PagingGetPage(ret, 0, KernelDirectory); *phys = PagingGetPhysical(ret, KernelDirectory) + (ret & 0xFFF);
*phys = (*pg & PageFrame) + (ret & 0xFFF);
Log("Mem","%#Allocated %u bytes (%spage aligned) at address 0x%x (phys=%x).\n", ColorLightMagenta, size, ((page_aligned) ? "" : "not "), ret, *phys); Log("Mem","%#Allocated %u bytes (%spage aligned) at address 0x%x (phys=%x).\n", ColorLightMagenta, size, ((page_aligned) ? "" : "not "), ret, *phys);
} }

11
Kernel/library/memory/memory_info.c
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@ -6,7 +6,6 @@
*/ */
#include <memory-add.h> #include <memory-add.h>
// MemoryGetFree(), MemoryGetTotal(), MemoryGet blah blah...
// Returns total physical memory in bytes // Returns total physical memory in bytes
uint32 MemoryGetTotal() uint32 MemoryGetTotal()
@ -17,13 +16,13 @@ uint32 MemoryGetTotal()
// Returns total free physical memory in bytes // Returns total free physical memory in bytes
uint32 MemoryGetFree() uint32 MemoryGetFree()
{ {
return (TotalFrames - UsedFrames) * 0x4; return (TotalBlocks - UsedBlocks) * 0x4;
} }
// Total used physical memory in bytes // Total used physical memory in bytes
uint32 MemoryGetUsed() uint32 MemoryGetUsed()
{ {
return UsedFrames * 0x4; return UsedBlocks * 0x4;
} }
// Same as above functions, but in frames // Same as above functions, but in frames
@ -34,15 +33,15 @@ uint32 MemoryGetFrameSize()
uint32 MemoryGetFramesTotal() uint32 MemoryGetFramesTotal()
{ {
return TotalFrames; return TotalBlocks;
} }
uint32 MemoryGetFramesUsed() uint32 MemoryGetFramesUsed()
{ {
return UsedFrames; return UsedBlocks;
} }
uint32 MemoryGetFramesFree() uint32 MemoryGetFramesFree()
{ {
return (TotalFrames - UsedFrames); return (TotalBlocks - UsedBlocks);
} }

25
Kernel/library/memory/memory_init.c
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@ -10,7 +10,6 @@
#include "../../drivers/cmos/cmos.h" #include "../../drivers/cmos/cmos.h"
#include <stdio.h> #include <stdio.h>
uint32 mem_kernel_end = 0; uint32 mem_kernel_end = 0;
uint8 mem_initialized = 0; uint8 mem_initialized = 0;
@ -42,7 +41,7 @@ void _memory_reserve_system(MultibootInfo* info)
while ((uint32)location < (info->MemoryMapAddress + info->MemoryMapLength)) while ((uint32)location < (info->MemoryMapAddress + info->MemoryMapLength))
{ {
if (location->Type > 1) if (location->Type > 1)
MemPhReserveFrames((uint32)location->Address, (uint32)location->Length); MemPhReserveBlocks((uint32)location->Address, (uint32)location->Length);
location = (MultibootMemoryMapEntry*) ((uint32)location + location->Size + sizeof(uint32)); location = (MultibootMemoryMapEntry*) ((uint32)location + location->Size + sizeof(uint32));
} }
@ -53,29 +52,35 @@ void _memory_reserve_system(MultibootInfo* info)
Error("Mem", "%#Missing %#memory map%# info from bootloader.\n", ColorLightRed, ColorWhite, ColorLightRed); Error("Mem", "%#Missing %#memory map%# info from bootloader.\n", ColorLightRed, ColorWhite, ColorLightRed);
// Standard memory hole at 15mb // Standard memory hole at 15mb
MemPhReserveFrames(0x00F00000, 0x00100000); MemPhReserveBlocks(0x00F00000, 0x00100000);
} }
// Standard reserved memory areas
MemPhReserveFrames(0x0, 0x400 + 256); // Real mode IVT, BDA
MemPhReserveFrames(0x1000, 0x2400); // DMA buffer
MemPhReserveFrames(0x9FC00, 385*1024); // EBDA, Video memory, ROM area
} }
void MemoryInitialize (MultibootInfo* info) void MemoryInitialize (MultibootInfo* info)
{ {
// Get total system memory
uint32 totalSystemMemory = _memory_get_total_mem(info); uint32 totalSystemMemory = _memory_get_total_mem(info);
// Initialize physical & virtual memory managers
uint32 end = mem_kernel_end + 0x80000;
MemPhInitialize(totalSystemMemory); MemPhInitialize(totalSystemMemory);
PagingInitialize(0x200000); PagingInitialize(&end);
// Reserve physical blocks
_memory_reserve_system(info); _memory_reserve_system(info);
uint32 i;
// Allocate some space for the kernel heap
for (i = KERNEL_HEAP_START; i <= KERNEL_HEAP_END; i += 0x1000)
PagingMapPage(MemPhAllocateBlock(), i, PageWriteable, KernelDirectory);
// Create the kernel heap
KernelHeap = MemHeapCreate(KERNEL_HEAP_START, KERNEL_HEAP_START KernelHeap = MemHeapCreate(KERNEL_HEAP_START, KERNEL_HEAP_START
+ KERNEL_HEAP_INITIAL_SIZE, 0xCFFFF000, 3); // is kernel, writeable + KERNEL_HEAP_INITIAL_SIZE, 0xCFFFF000, 3); // is kernel, writeable
Log("Mem", "Done initializing memory!"); Log("Mem", "Done initializing memory!\n");
mem_initialized = 2; mem_initialized = 2;
} }
@ -84,5 +89,5 @@ void MemoryTempInitialize (uint32 kernel_end)
{ {
mem_initialized = 1; mem_initialized = 1;
mem_kernel_end = kernel_end; mem_kernel_end = kernel_end;
Log("Mem", "Initialized temporary memory manager, allocating from %#0x%x.\n", kernel_end); Log("Mem", "Initialized temporary memory manager, allocating from %#0x%x.\n", ColorWhite, mem_kernel_end);
} }

40
Kernel/loader.asm
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@ -26,29 +26,22 @@ start:
mov ecx, eax mov ecx, eax
; lgdt [trickgdt] ; setup initial stack
; mov ax, 0x10;
; mov ds, ax
; mov es, ax
; mov fs, ax
; mov gs, ax
; mov ss, ax
; jmp 0x08:HigherHalf ; NOTE: Must be absolute jump!
HigherHalf:
; Verify booted with multiboot compliant bootloader
mov esp, stack+STACKSIZE mov esp, stack+STACKSIZE
; Verify booted with multiboot compliant bootloader
cmp ecx, 0x2BADB002 cmp ecx, 0x2BADB002
jne .bad jne .bad
push esp
push ebx push ebx
extern k_main extern k_main
call k_main call k_main
cli
hlt
; Show error message, and halt system ; Show error message, and halt system
.bad: .bad:
@ -72,27 +65,8 @@ HigherHalf:
ErrorString db 0xA, "%#! Fatal error: Not booted with multiboot compliant bootloader (e.g. GRUB).", 0x0 ErrorString db 0xA, "%#! Fatal error: Not booted with multiboot compliant bootloader (e.g. GRUB).", 0x0
ErrorColor db 0x0C ErrorColor db 0x0C
; tells the assembler to include this data in the '.setup' section
section .setup
trickgdt:
dw gdt_end - gdt - 1 ; size of the GDT
dd gdt ; linear address of GDT
gdt:
dd 0, 0 ; null gate
db 0xFF, 0xFF, 0, 0, 0, 10011010b, 11001111b, 0x40 ; code selector 0x08: base 0x40000000, limit 0xFFFFFFFF, type 0x9A, granularity 0xCF
db 0xFF, 0xFF, 0, 0, 0, 10010010b, 11001111b, 0x40 ; data selector 0x10: base 0x40000000, limit 0xFFFFFFFF, type 0x92, granularity 0xCF
gdt_end:
; stack ; stack
section .bss section .bss
align 32 align 32
stack: stack:
resb STACKSIZE ; This reserves 64KBytes of memory here resb STACKSIZE ; This reserves memory for stack

20
Kernel/memory/mem-heap.c
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@ -6,9 +6,6 @@
#define MEMHEAP_INDEX_SIZE 0x20000 #define MEMHEAP_INDEX_SIZE 0x20000
#define MEMHEAP_MINIM_SIZE 0x70000 #define MEMHEAP_MINIM_SIZE 0x70000
#define FlagsKernel 1
#define FlagsWriteable 2
typedef struct typedef struct
{ {
uint32 Magic; uint32 Magic;
@ -98,30 +95,31 @@ MemHeap* MemHeapCreate(uint32 start, uint32 end, uint32 max, uint8 flags)
} }
void MemHeapExpand(uint32 newsz, MemHeap* heap, PageDirectory* pd) uint32 MemHeapExpand(uint32 newsz, MemHeap* heap, PageDirectory* pd)
{ {
if (newsz <= heap->EndAddress - heap->StartAddress) return; if (newsz <= heap->EndAddress - heap->StartAddress) return heap->EndAddress - heap->StartAddress;
if (newsz & 0xfff) newsz = (newsz & 0xfffff000) + 0x1000; if (newsz & 0xfff) newsz = (newsz & 0xfffff000) + 0x1000;
if (newsz + heap->StartAddress >= heap->MaxAddress) return; if (newsz + heap->StartAddress >= heap->MaxAddress) return heap->EndAddress - heap->StartAddress;
uint32 i; uint32 i;
for (i = heap->EndAddress - heap->StartAddress; i < heap->StartAddress + newsz; i+=0x1000) for (i = heap->EndAddress; i < heap->StartAddress + newsz; i+=0x1000)
MemPhAllocFrame(PagingGetPage(i, 1, pd), heap->Flags & FlagsKernel, heap->Flags & FlagsWriteable); PagingMapPage(MemPhAllocateBlock(), i, heap->Flags, pd);
heap->EndAddress = heap->StartAddress + newsz; heap->EndAddress = heap->StartAddress + newsz;
return newsz;
} }
uint32 MemHeapContract(uint32 newsz, MemHeap* heap, PageDirectory* pd) uint32 MemHeapContract(uint32 newsz, MemHeap* heap, PageDirectory* pd)
{ {
if (newsz >= heap->EndAddress - heap->StartAddress) return 0; if (newsz >= heap->EndAddress - heap->StartAddress) return heap->EndAddress - heap->StartAddress;
if (newsz & 0xfff) newsz = (newsz & 0xfffff000) + 0x1000; // page align if (newsz & 0xfff) newsz = (newsz & 0xfffff000) + 0x1000; // page align
newsz = Max(newsz, MEMHEAP_MINIM_SIZE); newsz = Max(newsz, MEMHEAP_MINIM_SIZE);
uint32 i; uint32 i;
for (i = heap->EndAddress - heap->StartAddress - 0x1000; i > newsz; i-=0x1000) for (i = heap->EndAddress - 0x1000; i > heap->StartAddress + newsz; i-=0x1000)
MemPhFreeFrame(PagingGetPage(i, 0, pd)); PagingUnmapPage(i, pd);
heap->EndAddress = heap->StartAddress + newsz; heap->EndAddress = heap->StartAddress + newsz;
return newsz; return newsz;

142
Kernel/memory/mem-paging.c
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@ -6,69 +6,123 @@
*/ */
#include <memory-add.h> #include <memory-add.h>
#include <stdio.h> #include <stdio.h>
/******************************* /*******************************
* Data * * Data *
*******************************/ *******************************/
PageDirectory* CurrentDirectory; PageDirectory* CurrentDirectory;
PageDirectory* KernelDirectory; PageDirectory* KernelDirectory;
/******************************* void PagingEnable()
* Useful routines *
*******************************/
void PagingInitialize(uint32 kernel_used)
{ {
Log("Mem", "Virtual memory manager initialization started. End of kernel = 0x%x\n", kernel_used); uint32 tmp;
PageDirectory* kernelPd = (PageDirectory*) kmalloc_a(sizeof(PageDirectory)); asm volatile ("mov %%cr0, %0" : "=r"(tmp));
memset(kernelPd, 0, sizeof(PageDirectory)); tmp |= 0x80000000;
asm volatile ("mov %0, %%cr0" : : "r"(tmp));
CurrentDirectory = kernelPd;
KernelDirectory = kernelPd;
uint32 i;
for (i = 0; i < kernel_used; i+=0x1000)
MemPhAllocFrame(PagingGetPage(i, 1, kernelPd), 0, 0);
Log("Mem", "Identity mapped first 0x%x bytes.\n", kernel_used);
for (i = KERNEL_HEAP_START; i < KERNEL_HEAP_END; i+=0x1000)
MemPhAllocFrame(PagingGetPage(i, 1, kernelPd), 1, 1);
Log("Mem", "Mapped kernel space.\n");
PagingSwitchPageDirectory (kernelPd);
} }
void PagingSwitchPageDirectory (PageDirectory* dir) void PagingDisable()
{
uint32 tmp;
asm volatile ("mov %%cr0, %0" : "=r"(tmp));
tmp &= 0x7FFFFFFF;
asm volatile ("mov %0, %%cr0" : : "r"(tmp));
}
void PagingSwitchDirectory(PageDirectory* dir)
{ {
CurrentDirectory = dir; CurrentDirectory = dir;
asm volatile ("mov %0, %%cr3":: "r"(&dir->TablesPhysical)); asm volatile ("mov %0, %%cr3" : : "r"(dir->PhysicalAddr));
uint32 cr0;
asm volatile ("mov %%cr0, %0": "=r"(cr0));
cr0 |= 0x80000000;
asm volatile ("mov %0, %%cr0":: "r"(cr0));
Log("Mem", "Enabled paging.\n");
} }
Page* PagingGetPage(uint32 addr, uint8 make, PageDirectory* dir) void PagingFlushTlb ()
{ {
addr >>= 12; uint32 tmp;
asm volatile ("mov %%cr3, %0" : "=r"(tmp));
asm volatile ("mov %0, %%cr3" : : "r" (tmp));
}
uint32 tableIndex = addr >> 10; void PagingInitialize(uint32* kernelEnd)
{
// Create the kernel page directory
PageDirectory* kdir = kmalloc_a(sizeof(PageDirectory));
memset(kdir, 0, sizeof(PageDirectory));
if (dir->Tables[tableIndex]) KernelDirectory = kdir;
return &dir->Tables[tableIndex]->Pages[addr&0x3ff];
else if (make) // Set up physical address of PDEs.
kdir->PhysicalAddr = (uint32) kdir->TablesPhysical;
// Identity map the kernel
uint32 i = 0;
while (i <= *kernelEnd + 1024)
{ {
uint32 temp; PagingMapPage(i, i, PageWriteable, kdir);
dir->Tables[tableIndex] = (PageTable*)kmalloc_ap(sizeof(PageTable), &temp); i += 0x1000;
memset (dir->Tables[tableIndex], 0, 0x1000);
dir->TablesPhysical[tableIndex] = temp | 0x7;
return &dir->Tables[tableIndex]->Pages[addr&0x3ff];
} }
else return 0; // Reserve the identity mapped blocks
MemPhReserveBlocks(0x0, *kernelEnd);
PagingSwitchDirectory(kdir);
PagingEnable();
} }
void PagingMapPage (uint32 phys, uint32 virt, uint32 flags, PageDirectory* pd)
{
// Calculate pde and pte
uint32 pde = virt >> 22;
uint32 pte = (virt >> 12) & 0x3ff;
phys &= 0xFFFFF000; // Make sure address is page aligned
flags &= 0xFFF; // Make sure flags don't overflow
// See if page table exists
if (!pd->Tables[pde])
{
// No? allocate it
uint32 ph;
PageTable* pt = kmalloc_ap(sizeof(PageTable), &ph);
memset(pt, 0, sizeof(PageTable));
pd->Tables[pde] = pt;
pd->TablesPhysical[pde] = ph | 0x7;
}
// Set up the page
pd->Tables[pde]->Pages[pte] = phys | flags | 0x1; // Present, and flags
// If it is the current directory, flush the tlb to notice the change
if (pd == CurrentDirectory) PagingFlushTlb();
}
void PagingUnmapPage (uint32 virt, PageDirectory* pd)
{
// Calculate pde and pte
uint32 pde = virt >> 22;
uint32 pte = (virt >> 12) & 0x3ff;
if (!pd->Tables[pde] || !pd->Tables[pde]->Pages[pte]) return;
// Get physical address
uint32 phys = pd->Tables[pde]->Pages[pte] & PageFrame;
// Free page
pd->Tables[pde]->Pages[pte] = 0;
MemPhFreeBlock(phys);
// If it is the current directory, flush the tlb to notice the change
if (pd == CurrentDirectory) PagingFlushTlb();
}
uint32 PagingGetPhysical (uint32 virt, PageDirectory* pd)
{
// Calculate pde and pte
uint32 pde = virt >> 22;
uint32 pte = (virt >> 12) & 0x3ff;
// Not mapped
if (!pd->Tables[pde] || !pd->Tables[pde]->Pages[pte]) return NULL;
return (pd->Tables[pde]->Pages[pte] & PageFrame);
}

78
Kernel/memory/mem-phys.c
View File

@ -6,103 +6,89 @@
*/ */
#include <memory-add.h> #include <memory-add.h>
uint32* FrameMap; uint32* BlockMap;
uint32 TotalFrames; uint32 TotalBlocks;
uint32 TotalMemory; uint32 TotalMemory;
uint32 UsedFrames; uint32 UsedBlocks;
inline void ConvertIndexToFrame (uint32 index, uint32* address, uint32* offset) inline void ConvertIndexToBlock (uint32 index, uint32* address, uint32* offset)
{ {
*address = (index >> 5); *address = (index >> 5);
*offset = index & 0x1f; *offset = index & 0x1f;
} }
inline uint32 ConvertFrameToIndex (uint32 address, uint32 offset) inline uint32 ConvertBlockToIndex (uint32 address, uint32 offset)
{ {
return (address<<5) | offset; return (address<<5) | offset;
} }
void MemPhSetFrame (uint32 frame, uint8 value) void MemPhSetBlock (uint32 Block, uint8 value)
{ {
uint32 addr, off; uint32 addr, off;
ConvertIndexToFrame(frame, &addr, &off); ConvertIndexToBlock(Block, &addr, &off);
if (value) { if (value) {
if ((FrameMap[addr] & (1<<off)) == 0) UsedFrames++; if ((BlockMap[addr] & (1<<off)) == 0) UsedBlocks++;
FrameMap[addr] |= 1<<off; BlockMap[addr] |= 1<<off;
} }
else { else {
if (FrameMap[addr] & (1<<off)) UsedFrames--; if (BlockMap[addr] & (1<<off)) UsedBlocks--;
FrameMap[addr] &= ~(1<<off); BlockMap[addr] &= ~(1<<off);
} }
} }
uint32 MemPhGetFrame (uint32 frame) uint32 MemPhGetBlock (uint32 Block)
{ {
uint32 addr, off; uint32 addr, off;
ConvertIndexToFrame(frame, &addr, &off); ConvertIndexToBlock(Block, &addr, &off);
return FrameMap[addr] & (1<<off); return BlockMap[addr] & (1<<off);
} }
uint32 MemPhFindFreeFrame() uint32 MemPhAllocateBlock()
{ {
uint32 addr, pos; uint32 addr, pos;
for (addr = 0; addr < TotalFrames >> 5; addr++) for (addr = 0; addr < TotalBlocks >> 5; addr++)
if (FrameMap[addr] != 0xffffffff) if (BlockMap[addr] != 0xffffffff)
{ {
for (pos = 0; (FrameMap[addr] & (1<<pos)) != 0; pos++) ; for (pos = 0; (BlockMap[addr] & (1<<pos)) != 0; pos++) ;
return ConvertFrameToIndex(addr, pos); uint32 index = ConvertBlockToIndex(addr, pos);
MemPhSetBlock(index, 1);
// Return address
return (index<<12);
} }
return 0xffffffff; return 0xffffffff;
} }
void MemPhAllocFrame(Page* page, uint8 isKernel, uint8 isWriteable) void MemPhFreeBlock(uint32 addr)
{ {
if ((*page & PageFrame) != 0) return; uint32 Block = addr >> 12;
if (!Block) return;
uint32 free = MemPhFindFreeFrame(); MemPhSetBlock(Block, 0);
if (free == 0xffffffff) {
Panic("Mem", "%#Failed allocation free=0x%x page=0x%x\n", ColorRed, free, *page);
return;
}
MemPhSetFrame(free, 1);
*page |= PagePresent;
*page |= (isKernel) ? 0 : PageUser;
*page |= (isWriteable) ? PageWriteable : 0;
*page |= (free<<12) & PageFrame;
}
void MemPhFreeFrame(Page* page)
{
uint32 frame = *page & PageFrame;
if (!frame) return;
MemPhSetFrame(frame, 0);
*page &= ~PageFrame;
} }
void MemPhInitialize(uint32 SystemMemoryKb) void MemPhInitialize(uint32 SystemMemoryKb)
{ {
TotalFrames = SystemMemoryKb >> 2; TotalBlocks = SystemMemoryKb >> 2;
TotalMemory = SystemMemoryKb; TotalMemory = SystemMemoryKb;
FrameMap = (uint32*) kmalloc(sizeof(uint32) * (1 + (TotalFrames>>5))); BlockMap = (uint32*) kmalloc(sizeof(uint32) * (1 + (TotalBlocks>>5)));
memset(FrameMap, 0, sizeof(uint32) * (1 + (TotalFrames>>5))); memset(BlockMap, 0, sizeof(uint32) * (1 + (TotalBlocks>>5)));
Log("Mem", "%#Started physical memory manager ok!, found %ukb\n", ColorLightGreen, SystemMemoryKb); Log("Mem", "%#Started physical memory manager ok!, found %ukb\n", ColorLightGreen, SystemMemoryKb);
} }
void MemPhReserveFrames (uint32 address, uint32 length) void MemPhReserveBlocks (uint32 address, uint32 length)
{ {
address >>= 12; address >>= 12;
length = (length>>12) + ((length & 0xfff) > 0); length = (length>>12) + ((length & 0xfff) > 0);
uint32 end = address + length; uint32 end = address + length;
for (; address < end ; address++) for (; address < end ; address++)
MemPhSetFrame(address, 1); MemPhSetBlock(address, 1);
} }

222
bochs/bochs_run.log
View File

@ -1,16 +1,16 @@
00000000000i[ ] Bochs x86 Emulator 2.4.6 00000000000i[ ] Bochs x86 Emulator 2.4.6
00000000000i[ ] Build from CVS snapshot, on February 22, 2011 00000000000i[ ] Build from CVS snapshot, on February 22, 2011
00000000000i[ ] Compiled at Aug 28 2011, 16:32:50 00000000000i[ ] Compiled at Feb 22 2011, 19:57:47
00000000000i[ ] System configuration 00000000000i[ ] System configuration
00000000000i[ ] processors: 1 (cores=1, HT threads=1) 00000000000i[ ] processors: 1 (cores=1, HT threads=1)
00000000000i[ ] A20 line support: yes 00000000000i[ ] A20 line support: yes
00000000000i[ ] CPU configuration 00000000000i[ ] CPU configuration
00000000000i[ ] level: 6 00000000000i[ ] level: 6
00000000000i[ ] SMP support: yes, quantum=5 00000000000i[ ] SMP support: no
00000000000i[ ] APIC support: yes 00000000000i[ ] APIC support: yes
00000000000i[ ] FPU support: yes 00000000000i[ ] FPU support: yes
00000000000i[ ] MMX support: yes 00000000000i[ ] MMX support: yes
00000000000i[ ] 3dnow! support: yes 00000000000i[ ] 3dnow! support: no
00000000000i[ ] SEP support: yes 00000000000i[ ] SEP support: yes
00000000000i[ ] SSE support: sse2 00000000000i[ ] SSE support: sse2
00000000000i[ ] XSAVE support: no 00000000000i[ ] XSAVE support: no
@ -18,44 +18,42 @@
00000000000i[ ] MOVBE support: no 00000000000i[ ] MOVBE support: no
00000000000i[ ] x86-64 support: yes 00000000000i[ ] x86-64 support: yes
00000000000i[ ] 1G paging support: no 00000000000i[ ] 1G paging support: no
00000000000i[ ] VMX support: 1 00000000000i[ ] VMX support: no
00000000000i[ ] Optimization configuration 00000000000i[ ] Optimization configuration
00000000000i[ ] RepeatSpeedups support: yes 00000000000i[ ] RepeatSpeedups support: yes
00000000000i[ ] Trace cache support: yes 00000000000i[ ] Trace cache support: yes
00000000000i[ ] Fast function calls: yes 00000000000i[ ] Fast function calls: yes
00000000000i[ ] Devices configuration 00000000000i[ ] Devices configuration
00000000000i[ ] ACPI support: yes 00000000000i[ ] ACPI support: yes
00000000000i[ ] NE2000 support: no 00000000000i[ ] NE2000 support: yes
00000000000i[ ] PCI support: yes, enabled=yes 00000000000i[ ] PCI support: yes, enabled=yes
00000000000i[ ] SB16 support: yes 00000000000i[ ] SB16 support: yes
00000000000i[ ] USB support: no 00000000000i[ ] USB support: yes
00000000000i[ ] VGA extension support: vbe 00000000000i[ ] VGA extension support: vbe cirrus
00000000000i[MEM0 ] allocated memory at 0xb4116008. after alignment, vector=0xb4117000 00000000000i[MEM0 ] allocated memory at 028A0020. after alignment, vector=028A1000
00000000000i[MEM0 ] 32.00MB 00000000000i[MEM0 ] 32.00MB
00000000000i[MEM0 ] mem block size = 0x00100000, blocks=32 00000000000i[MEM0 ] mem block size = 0x00100000, blocks=32
00000000000i[MEM0 ] rom at 0xfffe0000/131072 ('/usr/local/share/bochs/BIOS-bochs-latest') 00000000000i[MEM0 ] rom at 0xfffe0000/131072 ('C:\Program Files\Bochs-2.4.6\BIOS-bochs-latest')
00000000000i[MEM0 ] rom at 0xc0000/40448 ('/usr/local/share/bochs/VGABIOS-lgpl-latest') 00000000000i[MEM0 ] rom at 0xc0000/40448 ('C:\Program Files\Bochs-2.4.6\VGABIOS-lgpl-latest')
00000000000i[CMOS ] Using local time for initial clock 00000000000i[CMOS ] Using local time for initial clock
00000000000i[CMOS ] Setting initial clock to: Mon Aug 29 10:21:59 2011 (time0=1314602519) 00000000000i[CMOS ] Setting initial clock to: Thu Sep 08 15:41:40 2011 (time0=1315485700)
00000000000i[DMA ] channel 4 used by cascade 00000000000i[DMA ] channel 4 used by cascade
00000000000i[DMA ] channel 2 used by Floppy Drive 00000000000i[DMA ] channel 2 used by Floppy Drive
00000000000i[FDD ] fd0: '../luxos.img' ro=0, h=2,t=80,spt=18 00000000000i[FDD ] fd0: 'a:' ro=0, h=2,t=80,spt=18
00000000000i[PCI ] 440FX Host bridge present at device 0, function 0 00000000000i[PCI ] 440FX Host bridge present at device 0, function 0
00000000000i[PCI ] PIIX3 PCI-to-ISA bridge present at device 1, function 0 00000000000i[PCI ] PIIX3 PCI-to-ISA bridge present at device 1, function 0
00000000000i[VGA ] interval=50000
00000000000i[MEM0 ] Register memory access handlers: 0x00000000000a0000 - 0x00000000000bffff 00000000000i[MEM0 ] Register memory access handlers: 0x00000000000a0000 - 0x00000000000bffff
00000000000i[XGUI ] test_alloc_colors: 16 colors available out of 16 colors tried 00000000000i[WGUI ] Desktop Window dimensions: 1366 x 768
00000000000i[XGUI ] font 8 wide x 16 high, display depth = 24 00000000000i[WGUI ] Number of Mouse Buttons = 5
00000000000i[WGUI ] IME disabled
00000000000i[MEM0 ] Register memory access handlers: 0x00000000e0000000 - 0x00000000e0ffffff 00000000000i[MEM0 ] Register memory access handlers: 0x00000000e0000000 - 0x00000000e0ffffff
00000000000i[VGA ] VBE Bochs Display Extension Enabled 00000000000i[CLVGA] VBE Bochs Display Extension Enabled
00000000000i[CLVGA] interval=50000
00000000000i[ ] init_dev of 'unmapped' plugin device by virtual method 00000000000i[ ] init_dev of 'unmapped' plugin device by virtual method
00000000000i[ ] init_dev of 'biosdev' plugin device by virtual method 00000000000i[ ] init_dev of 'biosdev' plugin device by virtual method
00000000000i[ ] init_dev of 'speaker' plugin device by virtual method 00000000000i[ ] init_dev of 'speaker' plugin device by virtual method
00000000000i[SPEAK] Failed to open /dev/console: Resource temporarily unavailable
00000000000i[SPEAK] Deactivating beep on console
00000000000i[ ] init_dev of 'extfpuirq' plugin device by virtual method 00000000000i[ ] init_dev of 'extfpuirq' plugin device by virtual method
00000000000i[ ] init_dev of 'gameport' plugin device by virtual method 00000000000i[ ] init_dev of 'gameport' plugin device by virtual method
00000000000i[ ] init_dev of 'iodebug' plugin device by virtual method
00000000000i[ ] init_dev of 'pci_ide' plugin device by virtual method 00000000000i[ ] init_dev of 'pci_ide' plugin device by virtual method
00000000000i[PCI ] PIIX3 PCI IDE controller present at device 1, function 1 00000000000i[PCI ] PIIX3 PCI IDE controller present at device 1, function 1
00000000000i[ ] init_dev of 'acpi' plugin device by virtual method 00000000000i[ ] init_dev of 'acpi' plugin device by virtual method
@ -77,7 +75,6 @@
00000000000i[ ] register state of 'speaker' plugin device by virtual method 00000000000i[ ] register state of 'speaker' plugin device by virtual method
00000000000i[ ] register state of 'extfpuirq' plugin device by virtual method 00000000000i[ ] register state of 'extfpuirq' plugin device by virtual method
00000000000i[ ] register state of 'gameport' plugin device by virtual method 00000000000i[ ] register state of 'gameport' plugin device by virtual method
00000000000i[ ] register state of 'iodebug' plugin device by virtual method
00000000000i[ ] register state of 'pci_ide' plugin device by virtual method 00000000000i[ ] register state of 'pci_ide' plugin device by virtual method
00000000000i[ ] register state of 'acpi' plugin device by virtual method 00000000000i[ ] register state of 'acpi' plugin device by virtual method
00000000000i[ ] register state of 'ioapic' plugin device by virtual method 00000000000i[ ] register state of 'ioapic' plugin device by virtual method
@ -88,19 +85,17 @@
00000000000i[SYS ] bx_pc_system_c::Reset(HARDWARE) called 00000000000i[SYS ] bx_pc_system_c::Reset(HARDWARE) called
00000000000i[CPU0 ] cpu hardware reset 00000000000i[CPU0 ] cpu hardware reset
00000000000i[APIC0] allocate APIC id=0 (MMIO enabled) to 0x00000000fee00000 00000000000i[APIC0] allocate APIC id=0 (MMIO enabled) to 0x00000000fee00000
00000000000i[CPU0 ] CPU[0] is the bootstrap processor 00000000000i[CPU0 ] CPUID[0x00000000]: 00000003 756e6547 6c65746e 49656e69
00000000000i[CPU0 ] CPUID[0x00000000]: 00000003 68747541 444d4163 69746e65 00000000000i[CPU0 ] CPUID[0x00000001]: 00000f23 00000800 00002000 07cbfbff
00000000000i[CPU0 ] CPUID[0x00000001]: 00000f23 00000800 00002020 07cbfbff 00000000000i[CPU0 ] CPUID[0x00000002]: 00410601 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x00000002]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x00000003]: 00000000 00000000 00000000 00000000 00000000000i[CPU0 ] CPUID[0x00000003]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x00000004]: 00000000 00000000 00000000 00000000 00000000000i[CPU0 ] CPUID[0x00000004]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x00000007]: 00000000 00000000 00000000 00000000 00000000000i[CPU0 ] CPUID[0x00000007]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x80000000]: 80000008 68747541 444d4163 69746e65 00000000000i[CPU0 ] CPUID[0x80000000]: 80000008 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x80000001]: 00000f23 00000000 00000001 ebd3fbff 00000000000i[CPU0 ] CPUID[0x80000001]: 00000000 00000000 00000001 2a100800
00000000000i[CPU0 ] CPUID[0x80000002]: 20444d41 6c687441 74286e6f 7020296d 00000000000i[CPU0 ] CPUID[0x80000002]: 20202020 20202020 20202020 6e492020
00000000000i[CPU0 ] CPUID[0x80000003]: 65636f72 726f7373 00000000 00000000 00000000000i[CPU0 ] CPUID[0x80000003]: 286c6574 50202952 69746e65 52286d75
00000000000i[CPU0 ] CPUID[0x80000004]: 00000000 00000000 00000000 00000000 00000000000i[CPU0 ] CPUID[0x80000004]: 20342029 20555043 20202020 00202020
00000000000i[CPU0 ] CPUID[0x80000005]: 01ff01ff 01ff01ff 40020140 40020140
00000000000i[CPU0 ] CPUID[0x80000006]: 00000000 42004200 02008140 00000000 00000000000i[CPU0 ] CPUID[0x80000006]: 00000000 42004200 02008140 00000000
00000000000i[CPU0 ] CPUID[0x80000007]: 00000000 00000000 00000000 00000000 00000000000i[CPU0 ] CPUID[0x80000007]: 00000000 00000000 00000000 00000000
00000000000i[CPU0 ] CPUID[0x80000008]: 00003028 00000000 00000000 00000000 00000000000i[CPU0 ] CPUID[0x80000008]: 00003028 00000000 00000000 00000000
@ -109,7 +104,6 @@
00000000000i[ ] reset of 'speaker' plugin device by virtual method 00000000000i[ ] reset of 'speaker' plugin device by virtual method
00000000000i[ ] reset of 'extfpuirq' plugin device by virtual method 00000000000i[ ] reset of 'extfpuirq' plugin device by virtual method
00000000000i[ ] reset of 'gameport' plugin device by virtual method 00000000000i[ ] reset of 'gameport' plugin device by virtual method
00000000000i[ ] reset of 'iodebug' plugin device by virtual method
00000000000i[ ] reset of 'pci_ide' plugin device by virtual method 00000000000i[ ] reset of 'pci_ide' plugin device by virtual method
00000000000i[ ] reset of 'acpi' plugin device by virtual method 00000000000i[ ] reset of 'acpi' plugin device by virtual method
00000000000i[ ] reset of 'ioapic' plugin device by virtual method 00000000000i[ ] reset of 'ioapic' plugin device by virtual method
@ -117,90 +111,84 @@
00000000000i[ ] reset of 'harddrv' plugin device by virtual method 00000000000i[ ] reset of 'harddrv' plugin device by virtual method
00000000000i[ ] reset of 'serial' plugin device by virtual method 00000000000i[ ] reset of 'serial' plugin device by virtual method
00000000000i[ ] reset of 'parallel' plugin device by virtual method 00000000000i[ ] reset of 'parallel' plugin device by virtual method
00000000000i[XGUI ] [x] Mouse off
00000003305i[BIOS ] $Revision: 1.257 $ $Date: 2011/01/26 09:52:02 $ 00000003305i[BIOS ] $Revision: 1.257 $ $Date: 2011/01/26 09:52:02 $
00000318072i[KBD ] reset-disable command received 00000200000i[WGUI ] dimension update x=720 y=400 fontheight=16 fontwidth=9 bpp=8
00000444792i[VBIOS] VGABios $Id: vgabios.c,v 1.69 2009/04/07 18:18:20 vruppert Exp $ 00000318042i[KBD ] reset-disable command received
00000444863i[VGA ] VBE known Display Interface b0c0 00000444800i[VBIOS] VGABios $Id: vgabios.c,v 1.69 2009/04/07 18:18:20 vruppert Exp $
00000444895i[VGA ] VBE known Display Interface b0c5 00000444871i[CLVGA] VBE known Display Interface b0c0
00000447820i[VBIOS] VBE Bios $Id: vbe.c,v 1.62 2009/01/25 15:46:25 vruppert Exp $ 00000444903i[CLVGA] VBE known Display Interface b0c5
00000600000i[XGUI ] charmap update. Font Height is 16 00000447828i[VBIOS] VBE Bios $Id: vbe.c,v 1.62 2009/01/25 15:46:25 vruppert Exp $
00000760509i[BIOS ] Starting rombios32 00000760517i[BIOS ] Starting rombios32
00000761006i[BIOS ] Shutdown flag 0 00000761014i[BIOS ] Shutdown flag 0
00000761687i[BIOS ] ram_size=0x02000000 00000761695i[BIOS ] ram_size=0x02000000
00000762165i[BIOS ] ram_end=32MB 00000762173i[BIOS ] ram_end=32MB
00000802749i[BIOS ] Found 1 cpu(s) 00000802745i[BIOS ] Found 1 cpu(s)
00000821736i[BIOS ] bios_table_addr: 0x000fb928 end=0x000fcc00 00000821732i[BIOS ] bios_table_addr: 0x000fb928 end=0x000fcc00
00000821839i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush) 00000821835i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush)
00001149536i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush) 00001149532i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush)
00001477464i[P2I ] PCI IRQ routing: PIRQA# set to 0x0b 00001477460i[P2I ] PCI IRQ routing: PIRQA# set to 0x0b
00001477485i[P2I ] PCI IRQ routing: PIRQB# set to 0x09 00001477481i[P2I ] PCI IRQ routing: PIRQB# set to 0x09
00001477506i[P2I ] PCI IRQ routing: PIRQC# set to 0x0b 00001477502i[P2I ] PCI IRQ routing: PIRQC# set to 0x0b
00001477527i[P2I ] PCI IRQ routing: PIRQD# set to 0x09 00001477523i[P2I ] PCI IRQ routing: PIRQD# set to 0x09
00001477537i[P2I ] write: ELCR2 = 0x0a 00001477533i[P2I ] write: ELCR2 = 0x0a
00001478422i[BIOS ] PIIX3/PIIX4 init: elcr=00 0a 00001478418i[BIOS ] PIIX3/PIIX4 init: elcr=00 0a
00001486380i[BIOS ] PCI: bus=0 devfn=0x00: vendor_id=0x8086 device_id=0x1237 class=0x0600 00001486376i[BIOS ] PCI: bus=0 devfn=0x00: vendor_id=0x8086 device_id=0x1237 class=0x0600
00001488942i[BIOS ] PCI: bus=0 devfn=0x08: vendor_id=0x8086 device_id=0x7000 class=0x0601 00001488938i[BIOS ] PCI: bus=0 devfn=0x08: vendor_id=0x8086 device_id=0x7000 class=0x0601
00001491343i[BIOS ] PCI: bus=0 devfn=0x09: vendor_id=0x8086 device_id=0x7010 class=0x0101 00001491339i[BIOS ] PCI: bus=0 devfn=0x09: vendor_id=0x8086 device_id=0x7010 class=0x0101
00001491573i[PIDE ] new BM-DMA address: 0xc000 00001491569i[PIDE ] new BM-DMA address: 0xc000
00001492277i[BIOS ] region 4: 0x0000c000 00001492273i[BIOS ] region 4: 0x0000c000
00001494587i[BIOS ] PCI: bus=0 devfn=0x0b: vendor_id=0x8086 device_id=0x7113 class=0x0680 00001494583i[BIOS ] PCI: bus=0 devfn=0x0b: vendor_id=0x8086 device_id=0x7113 class=0x0680
00001494825i[ACPI ] new irq line = 11 00001494821i[ACPI ] new irq line = 11
00001494839i[ACPI ] new irq line = 9 00001494835i[ACPI ] new irq line = 9
00001494869i[ACPI ] new PM base address: 0xb000 00001494865i[ACPI ] new PM base address: 0xb000
00001494883i[ACPI ] new SM base address: 0xb100 00001494879i[ACPI ] new SM base address: 0xb100
00001494911i[PCI ] setting SMRAM control register to 0x4a 00001494907i[PCI ] setting SMRAM control register to 0x4a
00001659005i[CPU0 ] Enter to System Management Mode 00001659001i[CPU0 ] Enter to System Management Mode
00001659005i[CPU0 ] enter_system_management_mode: temporary disable VMX while in SMM mode 00001659011i[CPU0 ] RSM: Resuming from System Management Mode
00001659015i[CPU0 ] RSM: Resuming from System Management Mode 00001823031i[PCI ] setting SMRAM control register to 0x0a
00001823035i[PCI ] setting SMRAM control register to 0x0a 00001832202i[BIOS ] MP table addr=0x000fba00 MPC table addr=0x000fb930 size=0xd0
00001832206i[BIOS ] MP table addr=0x000fba00 MPC table addr=0x000fb930 size=0xd0 00001834261i[BIOS ] SMBIOS table addr=0x000fba10
00001834265i[BIOS ] SMBIOS table addr=0x000fba10 00001836649i[BIOS ] ACPI tables: RSDP addr=0x000fbb30 ACPI DATA addr=0x01ff0000 size=0x988
00001836653i[BIOS ] ACPI tables: RSDP addr=0x000fbb30 ACPI DATA addr=0x01ff0000 size=0x988 00001839887i[BIOS ] Firmware waking vector 0x1ff00cc
00001839891i[BIOS ] Firmware waking vector 0x1ff00cc 00001851000i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush)
00001851004i[PCI ] 440FX PMC write to PAM register 59 (TLB Flush) 00001851844i[BIOS ] bios_table_cur_addr: 0x000fbb54
00001851848i[BIOS ] bios_table_cur_addr: 0x000fbb54 00014041548i[BIOS ] Booting from 0000:7c00
00014041552i[BIOS ] Booting from 0000:7c00 00023137418i[BIOS ] int13_harddisk: function 41, unmapped device for ELDL=80
00023137422i[BIOS ] int13_harddisk: function 41, unmapped device for ELDL=80 00023142199i[BIOS ] int13_harddisk: function 08, unmapped device for ELDL=80
00023142203i[BIOS ] int13_harddisk: function 08, unmapped device for ELDL=80 00023146850i[BIOS ] *** int 15h function AX=00c0, BX=0000 not yet supported!
00023146854i[BIOS ] *** int 15h function AX=00c0, BX=0000 not yet supported! 00043965427i[KBD ] setting typematic info
00037427421i[CPU0 ] [37427421] Stopped on MAGIC BREAKPOINT 00043965445i[KBD ] setting delay to 500 mS (unused)
00037475097i[KBD ] setting typematic info 00043965445i[KBD ] setting repeat rate to 10.9 cps (unused)
00037475122i[KBD ] setting delay to 500 mS (unused) 00043965488i[KBD ] Switched to scancode set 2
00037475122i[KBD ] setting repeat rate to 10.9 cps (unused) 00043965551i[KBD ] keyboard: scan convert turned off
00037475183i[KBD ] Switched to scancode set 2 01748376000p[WGUI ] >>PANIC<< POWER button turned off.
00037475271i[KBD ] keyboard: scan convert turned off 01748376000i[CPU0 ] CPU is in protected mode (active)
00037475895i[KBD ] keyboard: scan convert turned off 01748376000i[CPU0 ] CS.d_b = 32 bit
00037491918i[FDD ] controller reset in software 01748376000i[CPU0 ] SS.d_b = 32 bit
00039078683i[FDD ] io_write: config control register: 0x00 01748376000i[CPU0 ] EFER = 0x00000000
00055400059i[CPU0 ] [55400059] Stopped on MAGIC BREAKPOINT 01748376000i[CPU0 ] | RAX=00000000001108ff RBX=0000000000000066
00165600000i[ ] dbg: Quit 01748376000i[CPU0 ] | RCX=00000000000003d4 RDX=0000000000000308
00165600000i[CPU0 ] CPU is in protected mode (active) 01748376000i[CPU0 ] | RSP=00000000001107c8 RBP=0000000000000018
00165600000i[CPU0 ] CS.d_b = 32 bit 01748376000i[CPU0 ] | RSI=0000000000110806 RDI=0000000000000002
00165600000i[CPU0 ] SS.d_b = 32 bit 01748376000i[CPU0 ] | R8=0000000000000000 R9=0000000000000000
00165600000i[CPU0 ] EFER = 0x00000000 01748376000i[CPU0 ] | R10=0000000000000000 R11=0000000000000000
00165600000i[CPU0 ] | RAX=00000000000000ff RBX=000000000010d78c 01748376000i[CPU0 ] | R12=0000000000000000 R13=0000000000000000
00165600000i[CPU0 ] | RCX=00000000000003d4 RDX=000000000010d6ca 01748376000i[CPU0 ] | R14=0000000000000000 R15=0000000000000000
00165600000i[CPU0 ] | RSP=000000000010d68c RBP=000000000010d6a4 01748376000i[CPU0 ] | IOPL=0 id vip vif ac vm rf nt of df IF tf sf ZF af PF cf
00165600000i[CPU0 ] | RSI=000000000010d6ca RDI=0000000000000002 01748376000i[CPU0 ] | SEG selector base limit G D
00165600000i[CPU0 ] | R8=0000000000000000 R9=0000000000000000 01748376000i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D
00165600000i[CPU0 ] | R10=0000000000000000 R11=0000000000000000 01748376000i[CPU0 ] | CS:0008( 0001| 0| 0) 00000000 ffffffff 1 1
00165600000i[CPU0 ] | R12=0000000000000000 R13=0000000000000000 01748376000i[CPU0 ] | DS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00165600000i[CPU0 ] | R14=0000000000000000 R15=0000000000000000 01748376000i[CPU0 ] | SS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00165600000i[CPU0 ] | IOPL=0 id vip vif ac vm rf nt of df IF tf sf ZF af PF cf 01748376000i[CPU0 ] | ES:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00165600000i[CPU0 ] | SEG selector base limit G D 01748376000i[CPU0 ] | FS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00165600000i[CPU0 ] | SEG sltr(index|ti|rpl) base limit G D 01748376000i[CPU0 ] | GS:0010( 0002| 0| 0) 00000000 ffffffff 1 1
00165600000i[CPU0 ] | CS:0008( 0001| 0| 0) 00000000 ffffffff 1 1 01748376000i[CPU0 ] | MSR_FS_BASE:0000000000000000
00165600000i[CPU0 ] | DS:0010( 0002| 0| 0) 00000000 ffffffff 1 1 01748376000i[CPU0 ] | MSR_GS_BASE:0000000000000000
00165600000i[CPU0 ] | SS:0010( 0002| 0| 0) 00000000 ffffffff 1 1 01748376000i[CPU0 ] | RIP=0000000000108a0a (0000000000108a0a)
00165600000i[CPU0 ] | ES:0010( 0002| 0| 0) 00000000 ffffffff 1 1 01748376000i[CPU0 ] | CR0=0xe0000011 CR2=0x0000000000000000
00165600000i[CPU0 ] | FS:0010( 0002| 0| 0) 00000000 ffffffff 1 1 01748376000i[CPU0 ] | CR3=0x0011a000 CR4=0x00000000
00165600000i[CPU0 ] | GS:0010( 0002| 0| 0) 00000000 ffffffff 1 1 01748376000i[CPU0 ] 0x0000000000108a0a>> mov al, byte ptr ds:0x10c9dd : A0DDC91000
00165600000i[CPU0 ] | MSR_FS_BASE:0000000000000000 01748376000i[CMOS ] Last time is 1315486137 (Thu Sep 08 15:48:57 2011)
00165600000i[CPU0 ] | MSR_GS_BASE:0000000000000000 01748376000i[ ] restoring default signal behavior
00165600000i[CPU0 ] | RIP=0000000000105eb4 (0000000000105eb4) 01748376000i[CTRL ] quit_sim called with exit code 1
00165600000i[CPU0 ] | CR0=0xe0000011 CR2=0x0000000000000000
00165600000i[CPU0 ] | CR3=0x00110000 CR4=0x00000000
00165600000i[CMOS ] Last time is 1314602560 (Mon Aug 29 10:22:40 2011)
00165600000i[XGUI ] Exit
00165600000i[CTRL ] quit_sim called with exit code 0

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13
change.log
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@ -1,3 +1,16 @@
[????] BUILD 0.1.1.??? DATE 9/0?/2011 AT ?:?? ??
====================================================
Mainly changed: Tasking
+ Implemented multitasking
[GOOD] BUILD 0.1.0.601 DATE 9/06/2011 AT 5:20 PM
====================================================
Mainly changed: bugfixes
+ Added feature: shell automatic completion
+ Fixed 'pink text' bug
+ Fixed 'dir' bug where it tries to read files as directories
? TODO: Fix Vfs bug which allows files to be read as directories
[GOOD] BUILD 0.1.0.590 DATE 9/05/2011 AT 2:40 PM [GOOD] BUILD 0.1.0.590 DATE 9/05/2011 AT 2:40 PM
==================================================== ====================================================
Mainly changed: FS.Initrd Mainly changed: FS.Initrd

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link.ld
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@ -11,15 +11,6 @@ SECTIONS
*(.__mbHeader) *(.__mbHeader)
} }
.setup :
{
*(.setup)
}
/* . += 0xC0000000; */
.text : /* AT(ADDR(.text) - 0xC0000000) */ .text : /* AT(ADDR(.text) - 0xC0000000) */
{ {
_code = .; _code = .;

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2
scripts/version.txt
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@ -1 +1 @@
601 629