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-rw-r--r--<206
-rw-r--r--Media/Screenshots/2009-11-10-214042_808x626_scrot.pngbin0 -> 28980 bytes
-rw-r--r--Source/Kernel/Core/kmain.wtf.cpp6
-rw-r--r--Source/Kernel/Devices/Display/Display.proto.h2
-rw-r--r--Source/Kernel/Devices/Display/GraphicDisplay.proto.cpp24
-rw-r--r--Source/Kernel/Devices/Display/GraphicDisplay.proto.h6
-rw-r--r--Source/Kernel/Devices/Display/VESADisplay.class.cpp102
-rw-r--r--Source/Kernel/Devices/Display/VESADisplay.class.h14
-rw-r--r--Source/Kernel/MemoryManager/PageDirectory.class.cpp19
-rw-r--r--Source/Kernel/MemoryManager/PageDirectory.class.h1
-rw-r--r--Source/Kernel/TaskManager/V86/V86.ns.cpp7
-rw-r--r--Source/Kernel/TaskManager/V86/V86.ns.h1
-rw-r--r--Source/Kernel/TaskManager/V86/V86Thread.class.cpp4
13 files changed, 92 insertions, 300 deletions
diff --git a/< b/<
deleted file mode 100644
index 4ffa3fd..0000000
--- a/<
+++ /dev/null
@@ -1,206 +0,0 @@
-//This file contains the kernel's main procedure
-
-#include <common.h>
-#include <Core/multiboot.wtf.h>
-
-#include <Devices/Display/VGATextOutput.class.h>
-#include <Devices/Display/VESADisplay.class.h>
-#include <Devices/Keyboard/PS2Keyboard.class.h>
-#include <Devices/Floppy/FloppyDrive.class.h>
-#include <Devices/Timer.class.h>
-#include <DeviceManager/Disp.ns.h>
-#include <DeviceManager/Dev.ns.h>
-#include <DeviceManager/Kbd.ns.h>
-#include <DeviceManager/Time.ns.h>
-#include <VTManager/ScrollableVT.class.h>
-#include <VTManager/FileVT.class.h>
-#include <MemoryManager/PhysMem.ns.h>
-#include <MemoryManager/PageAlloc.ns.h>
-#include <MemoryManager/GDT.ns.h>
-#include <TaskManager/Task.ns.h>
-#include <UserManager/Usr.ns.h>
-#include <SyscallManager/IDT.ns.h>
-#include <String.class.h>
-#include <ByteArray.class.h>
-#include <VFS/Part.ns.h>
-#include <FileSystems/RamFS/RamFS.class.h>
-#include <VFS/FileNode.class.h>
-#include <VFS/VFS.ns.h>
-#include <VFS/DirectoryNode.class.h>
-#include <Core/Log.ns.h>
-#include <Shell/KernelShell.class.h>
-
-#include <Ressources/Graphics/logo.text.cxd>
-
-extern u32int end; //Placement address
-
-extern "C" void kmain(multiboot_info_t* mbd, u32int magic);
-
-u32int logoAnimation(void* p) {
- SimpleVT& vt = *((SimpleVT*)p);
- vt.setColor(8);
- u8int *wat = new u8int[melonLogoLines * melonLogoCols];
- for (int x = 0; x < melonLogoCols; x++) {
- for (int y = 0; y < melonLogoLines; y++) {
- wat[x * melonLogoLines + y] = melonLogo[y][x];
- vt.putChar(y, x, " ");
- }
- }
- vt.setColor(TXTLOGO_FGCOLOR);
- u32int s = 32;
- for (int i = 0; i < 255; i++) {
- for (int x = 0; x < (i < melonLogoCols ? i : melonLogoCols); x++) {
- for (int y = 0; y < melonLogoLines; y++) {
- if (wat[x * melonLogoLines + y] != melonLogo[y][x]) {
- wat[x * melonLogoLines + y]++;
- if (wat[x * melonLogoLines + y] > melonLogo[y][x] && (y + x) % 2 == 1)
- wat[x * melonLogoLines + y] += 2;
- if (wat[x * melonLogoLines + y] >= 127)
- wat[x * melonLogoLines + y] = 32;
- vt.setColor(7);
- vt.putChar(y, x, wat[x * melonLogoLines + y]);
- } else {
- vt.setColor(TXTLOGO_FGCOLOR);
- vt.putChar(y, x, wat[x * melonLogoLines + y]);
- }
- }
- }
- vt.setColor(8);
- if (i < melonLogoCols) {
- for (int y = 0; y < melonLogoLines; y++) {
- s += 102;
- while (s > 127) s -= (127 - 33);
- wat[(i + (y%3)) * melonLogoLines + y] = s;
- vt.putChar(y, (i + (y%3)), wat[(i + (y%3)) * melonLogoLines + y]);
- }
- }
- Task::currThread()->sleep(20);
- }
- delete wat;
- return 0;
-}
-
-void selectVideoMode(SimpleVT& v) {
- Disp::getModes();
- v << "\n\nPlease select a graphic mode in the list below:\n";
-
- for (u32int i = 0; i < Disp::modes.size(); i++) {
- Disp::mode_t& m = Disp::modes[i];
- v << (s32int)i << ":\t" << "Text " << m.textRows << "x" << m.textCols << "\t";
- if (m.graphWidth != 0 and m.graphHeight != 0) {
- v << "Graphics " << m.graphWidth << "x" << m.graphHeight << "x" << m.graphDepth << "\t";
- } else {
- v << "No graphics";
- }
- v.setCursorCol(40);
- v << m.device->getName() << "\n";
- }
-
- while (1) {
- v << "\nYour selection: ";
- String answer = v.readLine();
- u32int n = answer.toInt();
- if (n >= 0 and n < Disp::modes.size() and Disp::setMode(Disp::modes[n])) {
- return;
- } else {
- v << "Error while switching video mode, please select another one.\n";
- }
- }
-}
-
-void kmain(multiboot_info_t* mbd, u32int magic) {
- DEBUG("Entering kmain.");
-
- if (magic != MULTIBOOT_BOOTLOADER_MAGIC) {
- Mem::placementAddress = (u32int)&end; //Setup basic stuff so that PANIC will work
- VGATextOutput *vgaout = new VGATextOutput();
- Disp::setText(vgaout);
- PANIC("Error with multiboot header.");
- }
-
- //Setup placement address so that we can use new without overwriting modules
- Mem::placementAddress = (u32int)&end;
- mbd->cmdline += 0xC0000000; mbd->mods_addr += 0xC0000000; //Take stuff into acount
- module_t *mods = (module_t*)mbd->mods_addr;
- for (u32int i = 0; i < mbd->mods_count; i++) {
- mods[i].mod_start += 0xC0000000;
- mods[i].mod_end += 0xC0000000;
- if (mods[i].mod_end > Mem::placementAddress)
- Mem::placementAddress = mods[i].mod_end + 0x1000;
- }
-
- //Create text output
- VGATextOutput *vgaout = new VGATextOutput();
- Disp::setText(vgaout);
-
- //Create a VT for logging what kernel does
- SimpleVT *kvt = new ScrollableVT(25, 80, 10, KVT_FGCOLOR, KVT_BGCOLOR);
- kvt->map(0, 0);
- *kvt << "Melon is loading...";
-
- IDT::init(); //Setup interrupts
-
- u32int totalRam = ((mbd->mem_upper + mbd->mem_lower) * 1024);
- PhysMem::initPaging(totalRam); //Setup paging
-
- GDT::init(); //Initialize real GDT, not fake one from loader.wtf.asm
- PhysMem::removeTemporaryPages(); //Remove useless page mapping
-
- Mem::createHeap(); //Create kernel heap
-
- Dev::registerDevice(new Timer()); //Initialize timer
- Task::initialize(String((char*)mbd->cmdline), kvt); //Initialize multitasking
-
- FileSystem* fs = RamFS::mount((u8int*)mods[0].mod_start, 1024 * 1024, NULL);
- DirectoryNode* cwd;
- cwd = fs->getRootNode();
- Task::currProcess()->setCwd(cwd);
- VFS::setRootNode(cwd);
-
- Log::init(KL_STATUS); //Setup logging
- Log::log(KL_STATUS, "kmail : Melon booting.");
-
- Dev::registerDevice(vgaout);
- Log::log(KL_STATUS, "kmain : Registered textual VGA output");
- Dev::registerDevice(new VESADisplay());
- Log::log(KL_STATUS, "kmain : Created VESA display");
-
- Dev::registerDevice(new PS2Keyboard()); //Initialize keyboard driver
- if (!Kbd::loadKeymap("fr")) Log::log(KL_ERROR, "kmain : could not load french keymap.");
- Kbd::setFocus(kvt); //Set focus to virtual terminal
- Log::log(KL_STATUS, "kmain : Keyboard set up");
-
- asm volatile("sti");
-
- selectVideoMode(*kvt);
- kvt->unmap();
-
- //Create a VT for handling the Melon bootup logo
- SimpleVT *melonLogoVT = new SimpleVT(melonLogoLines, melonLogoCols, TXTLOGO_FGCOLOR, TXTLOGO_BGCOLOR);
- melonLogoVT->map(1);
- new Thread(logoAnimation, (void*)melonLogoVT, true);
-
- FloppyController::detect();
- Log::log(KL_STATUS, "kmain : Floppy drives detected");
-
- Usr::load();
- Log::log(KL_STATUS, "kmain : User list loaded");
-
- Process* p = Process::run("/System/Applications/PaperWork.app", 0);
- if (p == 0) {
- PANIC("Could not launch PaperWork !");
- } else {
- Log::log(KL_STATUS, "kmain : Starting PaperWork (init)");
- VirtualTerminal* vt = new ScrollableVT(Disp::textRows() - 10, Disp::textCols() - 4,
- 200, SHELL_FGCOLOR, SHELL_BGCOLOR);
- Kbd::setFocus(vt);
- ((ScrollableVT*)vt)->map(9);
- p->setInVT(vt);
- p->setOutVT(vt);
- p->start();
- while (p->getState() != P_FINISHED) Task::currThread()->sleep(100);
- PANIC("PaperWork finished.");
- }
-
- PANIC("END OF KMAIN");
-}
diff --git a/Media/Screenshots/2009-11-10-214042_808x626_scrot.png b/Media/Screenshots/2009-11-10-214042_808x626_scrot.png
new file mode 100644
index 0000000..5521ac1
--- /dev/null
+++ b/Media/Screenshots/2009-11-10-214042_808x626_scrot.png
Binary files differ
diff --git a/Source/Kernel/Core/kmain.wtf.cpp b/Source/Kernel/Core/kmain.wtf.cpp
index 2324857..a59149b 100644
--- a/Source/Kernel/Core/kmain.wtf.cpp
+++ b/Source/Kernel/Core/kmain.wtf.cpp
@@ -94,7 +94,7 @@ void selectVideoMode(SimpleVT& v) {
}
//v.setCursorCol(40);
//v << m.device->getName() << "\n";
- v << "\n";
+ v << "\n";
}
while (1) {
@@ -135,7 +135,7 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
Disp::setText(vgaout);
//Create a VT for logging what kernel does
- SimpleVT *kvt = new ScrollableVT(25, 80, 10, KVT_FGCOLOR, KVT_BGCOLOR);
+ SimpleVT *kvt = new ScrollableVT(25, 80, 20, KVT_FGCOLOR, KVT_BGCOLOR);
kvt->map(0, 0);
*kvt << "Melon is loading...";
@@ -187,8 +187,6 @@ void kmain(multiboot_info_t* mbd, u32int magic) {
Usr::load();
Log::log(KL_STATUS, "kmain : User list loaded");
- //PANIC("Good, this works !");
-
Process* p = Process::run("/System/Applications/PaperWork.app", 0);
if (p == 0) {
PANIC("Could not launch PaperWork !");
diff --git a/Source/Kernel/Devices/Display/Display.proto.h b/Source/Kernel/Devices/Display/Display.proto.h
index 8401e0b..bccf013 100644
--- a/Source/Kernel/Devices/Display/Display.proto.h
+++ b/Source/Kernel/Devices/Display/Display.proto.h
@@ -7,6 +7,8 @@
namespace Disp { struct mode_t; }
+class VirtualTerminal;
+
class Display : public Device {
public:
virtual ~Display() {}
diff --git a/Source/Kernel/Devices/Display/GraphicDisplay.proto.cpp b/Source/Kernel/Devices/Display/GraphicDisplay.proto.cpp
index 636a64c..5e2818f 100644
--- a/Source/Kernel/Devices/Display/GraphicDisplay.proto.cpp
+++ b/Source/Kernel/Devices/Display/GraphicDisplay.proto.cpp
@@ -30,35 +30,19 @@ void GraphicDisplay::putChar(u16int line, u16int col, WChar c, u8int color) {
for (int y = 0; y < C_FONT_HEIGHT; y++) {
u8int pixs = consoleFont[ch][y];
- for (int x = C_FONT_WIDTH - 1; x >= 0; x--) {
+ for (int x = 7; x >= 0; x--) {
putPix(sx + x, sy + y, ((pixs & 1) != 0 ? fgcolor : bgcolor));
pixs = pixs >> 1;
}
+ putPix(sx + 8, sy + y, bgcolor);
}
}
void GraphicDisplay::moveCursor(u16int line, u16int col) {
- //If the current cursor position is correct, write there what is supposed to be there
- if (m_csrbuff.x >= 0 and m_csrbuff.y >= 0) {
- for (int x = 0; x < C_FONT_WIDTH; x++) {
- for (int y = 0; y < C_FONT_HEIGHT; y++) {
- putPix(m_csrbuff.x + x, m_csrbuff.y + y, m_csrbuff.buff[x][y]);
- }
- }
- }
-
- //Save the current stuff to the buffer
- m_csrbuff.x = col * C_FONT_WIDTH;
- m_csrbuff.y = line * C_FONT_HEIGHT;
- for (int x = 0; x < C_FONT_WIDTH; x++) {
- for (int y = 0; y < C_FONT_HEIGHT; y++) {
- m_csrbuff.buff[x][y] = getPix(m_csrbuff.x + x, m_csrbuff.y + y);
- }
- }
//draw some cursor
for (int x = 0; x < C_FONT_WIDTH; x++) {
- putPix(m_csrbuff.x + x, m_csrbuff.y + 14, 0x00FFFFFF);
- putPix(m_csrbuff.x + x, m_csrbuff.y + 15, 0x00777777);
+ putPix((col * C_FONT_WIDTH) + x, (line * C_FONT_HEIGHT) + 14, 0x00FFFFFF);
+ putPix((col * C_FONT_WIDTH) + x, (line * C_FONT_HEIGHT) + 15, 0x00000000);
}
}
diff --git a/Source/Kernel/Devices/Display/GraphicDisplay.proto.h b/Source/Kernel/Devices/Display/GraphicDisplay.proto.h
index 2f4be98..35bbdae 100644
--- a/Source/Kernel/Devices/Display/GraphicDisplay.proto.h
+++ b/Source/Kernel/Devices/Display/GraphicDisplay.proto.h
@@ -10,13 +10,7 @@ extern u32int consoleColor[16];
#define C_FONT_HEIGHT 16
class GraphicDisplay : public Display {
- struct {
- int x, y;
- u32int buff[C_FONT_WIDTH][C_FONT_HEIGHT];
- } m_csrbuff;
-
public:
- GraphicDisplay() { m_csrbuff.x = -1; m_csrbuff.y = -1; }
virtual void putChar(u16int line, u16int col, WChar c, u8int color);
virtual void moveCursor(u16int line, u16int col);
};
diff --git a/Source/Kernel/Devices/Display/VESADisplay.class.cpp b/Source/Kernel/Devices/Display/VESADisplay.class.cpp
index a1dc7c1..6e46273 100644
--- a/Source/Kernel/Devices/Display/VESADisplay.class.cpp
+++ b/Source/Kernel/Devices/Display/VESADisplay.class.cpp
@@ -1,6 +1,8 @@
#include "VESADisplay.class.h"
#include <DeviceManager/Disp.ns.h>
+#include <MemoryManager/PhysMem.ns.h>
+
extern v86_function_t vesa_int; //in vga-vesa.wtf.asm
using namespace Disp;
@@ -28,6 +30,7 @@ vbe_controller_info_t VESADisplay::getCtrlrInfo() {
}
vbe_mode_info_t VESADisplay::getModeInfo(u16int id) {
+ V86::map();
vbe_mode_info_t *mode = (vbe_mode_info_t*)V86::alloc(sizeof(vbe_mode_info_t));
CMem::memset((u8int*)mode, 0, sizeof(vbe_mode_info_t));
registers_t regs;
@@ -47,8 +50,8 @@ void VESADisplay::getModes(Vector<mode_t> &to) {
if (modes[i] == 0xFFFF) break;
vbe_mode_info_t mode = getModeInfo(modes[i]);
- if ((mode.attributes & 0x19) != 0x19) continue;
- if (mode.planes != 1) continue;
+ if ((mode.attributes & 0x90) != 0x90) continue;
+ if (mode.memory_model != 4 and mode.memory_model != 6) continue;
mode_t m; m.device = this;
m.textCols = mode.Xres / C_FONT_WIDTH; m.textRows = mode.Yres / C_FONT_HEIGHT;
m.identifier = modes[i];
@@ -62,66 +65,69 @@ bool VESADisplay::setMode(mode_t &mode) {
m_currMode = getModeInfo(mode.identifier);
registers_t regs;
regs.eax = 0x00004F02;
- regs.ebx = mode.identifier;
+ regs.ebx = mode.identifier | 0x4000;
V86::run(vesa_int, regs, 0);
- return true;
-}
-
-u8int* VESADisplay::memPos(u16int x, u16int y) {
- u32int addr = y * m_currMode.pitch + x * (m_currMode.bpp / 8);
-
- u8int *base = (u8int*)(((m_currMode.physbase & 0xFFFF0000) >> 12) | (m_currMode.physbase & 0x0000FFFF));
- return base + addr;
+ m_fb = (u8int*)0xF0000000;
+ for (u32int i = 0; i < (u32int)(m_currMode.Yres * m_currMode.pitch); i += 0x1000) {
+ kernelPageDirectory->map(
+ kernelPageDirectory->getPage((u32int)(m_fb + i), true),
+ (m_currMode.physbase + i) / 0x1000, false, false);
+ }
+ m_pixWidth = (m_currMode.bpp + 1) / 8;
+ return true;
}
void VESADisplay::clear() {
- for (u16int y = 0; y < m_currMode.Yres; y++) {
- for (u16int x = 0; x < m_currMode.Xres; x++) {
- putPix(x, y, 0x77777777);
- }
+ for (u32int* i = (u32int*)(memPos(0, 0)); i < (u32int*)(memPos(m_currMode.Xres, 0)); i++) {
+ *i = 0x77777777;
}
}
void VESADisplay::putPix(u16int x, u16int y, u32int c) {
- u32int addr = y * m_currMode.pitch + x * (m_currMode.bpp / 8);
- int banksize = m_currMode.granularity*1024;
- int banknumber = addr / banksize;
- int bankoffset = addr % banksize;
-
- if (banknumber != b) {
- registers_t r;
- r.eax = 0x4F05;
- r.ebx = 0;
- r.edx = banknumber;
- V86::run(vesa_int, r, 0);
- b = banknumber;
- }
+ if (x >= m_currMode.Xres or y >= m_currMode.Yres) return;
+ union {
+ u8int* c;
+ u16int* w;
+ u32int* d;
+ } p = {memPos(x, y)};
+ if (m_currMode.bpp == 24) {
+ *p.d = (*p.d & 0xFF000000) | c;
+ } else if (m_currMode.bpp == 15) {
- u8int* a = (u8int*)(0xA0000 + bankoffset);
- a[2] = (c >> 16) & 0xFF;
- a[1] = (c >> 8) & 0xFF;
- a[0] = c & 0xFF;
+ }
}
u32int VESADisplay::getPix(u16int x, u16int y) {
- u32int addr = y * m_currMode.pitch + x * (m_currMode.bpp / 8);
- int banksize = m_currMode.granularity*1024;
- int banknumber = addr / banksize;
- int bankoffset = addr % banksize;
-
- if (banknumber != b) {
- registers_t r;
- r.eax = 0x4F05;
- r.ebx = 0;
- r.edx = banknumber;
- V86::run(vesa_int, r, 0);
- b = banknumber;
- }
-
u32int ret;
-
- u8int* a = (u8int*)(0xA0000 + bankoffset);
+ u8int* a = memPos(x, y);
ret = (a[2] << 16) | (a[1] << 8) | a[0];
return ret;
}
+
+//Advanced functions
+void VESADisplay::putChar(u16int line, u16int col, WChar c, u8int color) {
+ u8int ch = c.toAscii();
+ if (ch == 0) return;
+ u16int sx = col * C_FONT_WIDTH, sy = line * C_FONT_HEIGHT;
+ u32int fgcolor = consoleColor[color & 0xF], bgcolor = consoleColor[(color >> 4) & 0xF];
+
+ int y = 0;
+ for (u8int* p = memPos(sx, sy); p < memPos(sx, sy + C_FONT_HEIGHT); p += m_currMode.pitch) {
+ union {
+ u8int* c;
+ u16int* w;
+ u32int* d;
+ } pos = {p + (8 * m_pixWidth)};
+ u8int pixs = consoleFont[ch][y];
+ if (m_pixWidth == 3) {
+ *pos.d = (*pos.d & 0xFF000000) | bgcolor;
+ for (int x = 0; x < 8; x++) {
+ pos.c -= m_pixWidth;
+ *pos.d = (*pos.d & 0xFF000000) | ((pixs & 1) != 0 ? fgcolor : bgcolor);
+ pixs = pixs >> 1;
+ }
+ }
+ y++;
+ }
+}
diff --git a/Source/Kernel/Devices/Display/VESADisplay.class.h b/Source/Kernel/Devices/Display/VESADisplay.class.h
index 9daf1b9..606c115 100644
--- a/Source/Kernel/Devices/Display/VESADisplay.class.h
+++ b/Source/Kernel/Devices/Display/VESADisplay.class.h
@@ -44,11 +44,16 @@ class VESADisplay : public GraphicDisplay {
vbe_controller_info_t getCtrlrInfo();
vbe_mode_info_t getModeInfo(u16int mode);
- u8int* memPos(u16int x, u16int y);
-
vbe_mode_info_t m_currMode;
- int b;
+ int b, m_pixWidth;
+
+ u8int *m_fb;
+
+ u8int* memPos(u16int x, u16int y) {
+ u32int addr = y * m_currMode.pitch + x * m_pixWidth;
+ return ((u8int*)m_fb) + addr;
+ }
public:
String getClass();
@@ -60,6 +65,9 @@ class VESADisplay : public GraphicDisplay {
void clear();
void putPix(u16int x, u16int y, u32int color);
u32int getPix(u16int x, u16int y);
+
+ //Advanced graphical functions, recoded for being optimized
+ virtual void putChar(u16int line, u16int col, WChar c, u8int color);
};
#endif
diff --git a/Source/Kernel/MemoryManager/PageDirectory.class.cpp b/Source/Kernel/MemoryManager/PageDirectory.class.cpp
index c10f844..064b423 100644
--- a/Source/Kernel/MemoryManager/PageDirectory.class.cpp
+++ b/Source/Kernel/MemoryManager/PageDirectory.class.cpp
@@ -74,13 +74,17 @@ page_t *PageDirectory::getPage(u32int address, bool make) {
}
}
-void PageDirectory::allocFrame(u32int address, bool is_user, bool is_writable) {
- page_t *p = getPage(address, true);
- if (address < 0x100000) {
+void PageDirectory::map(page_t* p, u32int frame, bool is_user, bool is_writable) {
p->present = 1;
p->user = (is_user ? 1 : 0);
p->rw = (is_writable ? 1 : 0);
- p->frame = (address / 0x1000);
+ p->frame = (frame);
+}
+
+void PageDirectory::allocFrame(u32int address, bool is_user, bool is_writable) {
+ page_t *p = getPage(address, true);
+ if (address < 0x100000) {
+ map(p, address / 0x1000, is_user, is_writable);
} else {
if (p != 0) PhysMem::allocFrame(p, is_user, is_writable);
}
@@ -89,12 +93,7 @@ void PageDirectory::allocFrame(u32int address, bool is_user, bool is_writable) {
void PageDirectory::freeFrame(u32int address) {
page_t *p = getPage(address, false);
if (p == 0) return;
- if (address < 0x100000) {
- p->frame = 0;
- p->present = 0;
- } else {
- PhysMem::freeFrame(p);
- }
+ PhysMem::freeFrame(p);
}
void PageDirectory::switchTo() {
diff --git a/Source/Kernel/MemoryManager/PageDirectory.class.h b/Source/Kernel/MemoryManager/PageDirectory.class.h
index 14b78ca..e93524b 100644
--- a/Source/Kernel/MemoryManager/PageDirectory.class.h
+++ b/Source/Kernel/MemoryManager/PageDirectory.class.h
@@ -26,6 +26,7 @@ struct PageDirectory {
PageDirectory(PageDirectory* other); //Clones the other pagedir
~PageDirectory();
page_t *getPage(u32int address, bool make);
+ void map(page_t *p, u32int frame, bool is_user, bool is_writable);
void allocFrame(u32int address, bool is_user, bool is_writable);
void freeFrame(u32int address);
void switchTo();
diff --git a/Source/Kernel/TaskManager/V86/V86.ns.cpp b/Source/Kernel/TaskManager/V86/V86.ns.cpp
index bd16e06..93d51f2 100644
--- a/Source/Kernel/TaskManager/V86/V86.ns.cpp
+++ b/Source/Kernel/TaskManager/V86/V86.ns.cpp
@@ -12,6 +12,13 @@ void run(v86_function_t& entry, registers_t &regs, u32int data) {
while (!ret.finished) Task::currThread()->sleep(10);
}
+void map(Process* p) {
+ if (p == 0) p = Task::currProcess();
+ for (u32int i = 0x00000; i < 0xFFFFF; i += 0x1000) {
+ p->getPagedir()->allocFrame(i, true, true);
+ }
+}
+
u16int allocSeg(u16int length, Process* p) {
if (p == 0) p = Task::currProcess();
if (length & 0xF) length = (length & 0xFFFF0) + 0x10;
diff --git a/Source/Kernel/TaskManager/V86/V86.ns.h b/Source/Kernel/TaskManager/V86/V86.ns.h
index cdeef25..9fa132b 100644
--- a/Source/Kernel/TaskManager/V86/V86.ns.h
+++ b/Source/Kernel/TaskManager/V86/V86.ns.h
@@ -25,6 +25,7 @@ inline FARPTR LINEAR_TO_FP(void* ptr) {
namespace V86 {
void run(v86_function_t& entry, registers_t &regs, u32int data);
+ void map(Process* p = 0); //Maps lower 1MB of virtual memory to physical memory (lower 1MB as well)
u16int allocSeg(u16int size, Process* p = 0);
void* alloc(u16int size, Process* p = 0);
}
diff --git a/Source/Kernel/TaskManager/V86/V86Thread.class.cpp b/Source/Kernel/TaskManager/V86/V86Thread.class.cpp
index 4b07e98..26fca63 100644
--- a/Source/Kernel/TaskManager/V86/V86Thread.class.cpp
+++ b/Source/Kernel/TaskManager/V86/V86Thread.class.cpp
@@ -61,9 +61,7 @@ V86Thread::V86Thread(v86_function_t* entry, v86_retval_t* ret, u32int data) : Th
m_process->getPagedir()->switchTo();
//Map all lower memory
- for (u32int i = 0x00000; i < 0xFFFFF; i += 0x1000) {
- m_process->getPagedir()->allocFrame(i, true, true);
- }
+ V86::map();
u16int cs = V86::allocSeg(entry->size); //Alocate segments for the code to run in
u8int* codeptr = (u8int*)(FP_TO_LINEAR(cs, 0));
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-21 22:26:06 +0000