[tkreuzer] 34735: - mark special pages - move some definitions to arch/amd64.h

Author: tkreuzer
Date: Thu Jul 24 06:32:40 2008
New Revision: 34735

URL: http://svn.reactos.org/svn/reactos?rev=34735&view=rev
Log:
- mark special pages
- move some definitions to arch/amd64.h

Modified:
    branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/arch/amd64/arch.S
    branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch.h
    branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch/amd64/amd64.h
    branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/mm/meminit.c

Modified: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/arch/amd64/arch.S
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/f...
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/arch/amd64/arch.S [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/arch/amd64/arch.S [iso-8859-1] Thu Jul 24 06:32:40 2008
@@ -2,10 +2,10 @@
 .text
 .code16

+#define ASM
+#include <arch.h>
+
 //.org 0x8000
-
-#define STACK16ADDR	0x7000	/* The 16-bit stack top will be at 0000:7000 */
-#define STACK64ADDR	0x74000	/* The 64-bit stack top will be at 0x74000 */

.global RealEntryPoint
 RealEntryPoint:
@@ -95,16 +95,6 @@
  * We define 512 2MB pages at the start of memory, so we can access the first 
  * 1 GB as if paging was disabled
  */
-
-#define PML4_PAGENUM 60 // Put it high enough so it doesn't interfere with freeldr
-
-#define PAGESIZE 4096
-#define PDP_PAGENUM (PML4_PAGENUM + 1)
-#define PD_PAGENUM (PDP_PAGENUM + 1)
-#define PML4_ADDRESS (PML4_PAGENUM * PAGESIZE)
-#define PDP_ADDRESS (PDP_PAGENUM * PAGESIZE)
-#define PML4_SEG (PML4_ADDRESS / 16)
-
 x86_16_BuildPageTables:
    pusha
    push es
@@ -117,9 +107,9 @@
    /* One entry in the PML4 pointing to PDP */
    mov eax, (PDP_PAGENUM << 12) | 0x00f
    stosd
-	xor ax,ax
-	mov cx, 0x07fe
-	rep stosw
+	xor eax, eax
+	mov cx, 0x03ff
+	rep stosd

/* One entry in the PDP pointing to PD */
    mov eax, (PD_PAGENUM << 12) | 0x00f
@@ -148,11 +138,6 @@
    popa
    ret

-
-#define LMODE_CS	0x08
-#define LMODE_DS	0x10
-#define RMODE_CS	0x18	/* RMode code selector, base 0 limit 64k */
-#define RMODE_DS	0x20	/* RMode data selector, base 0 limit 64k */

//.global x86_16_SwitchToLong
 x86_16_SwitchToLong:

Modified: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch.h
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/f...
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch.h [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch.h [iso-8859-1] Thu Jul 24 06:32:40 2008
@@ -20,6 +20,10 @@

#ifndef __ARCH_H
 #define __ARCH_H
+
+#ifdef _M_AMD64
+#include <arch/amd64/amd64.h>
+#endif

/* Defines needed for switching between real and protected mode */
 #define NULL_DESC	0x00	/* NULL descriptor */
@@ -55,35 +59,6 @@
 #ifndef ASM

#include <pshpack1.h>
-#ifdef _M_AMD64
-typedef struct
-{
-	unsigned long	rax;
-	unsigned long	rbx;
-	unsigned long	rcx;
-	unsigned long	rdx;
-
-	unsigned long	rsi;
-	unsigned long	rdi;
-
-	unsigned long	r8;
-	unsigned long	r9;
-	unsigned long	r10;
-	unsigned long	r11;
-	unsigned long	r12;
-	unsigned long	r13;
-	unsigned long	r14;
-	unsigned long	r15;
-
-	unsigned short	ds;
-	unsigned short	es;
-	unsigned short	fs;
-	unsigned short	gs;
-
-	unsigned long	rflags;
-
-} QWORDREGS;
-#endif
 typedef struct
 {
    unsigned long	eax;

Modified: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch/amd64/amd64.h
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/f...
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch/amd64/amd64.h [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/include/arch/amd64/amd64.h [iso-8859-1] Thu Jul 24 06:32:40 2008
@@ -21,7 +21,54 @@
 #ifndef __AMD64_AMD64_H_
 #define __AMD64_AMD64_H_

+#define STACK64ADDR	0x74000	/* The 64-bit stack top will be at 0x74000 */

+#define LMODE_CS	0x08
+#define LMODE_DS	0x10
+
+/* Where we put out initial page tables */
+#define PML4_PAGENUM 60 // Put it high enough so it doesn't interfere with freeldr
+
+#define PAGESIZE 4096
+#define PDP_PAGENUM (PML4_PAGENUM + 1)
+#define PD_PAGENUM (PDP_PAGENUM + 1)
+#define PML4_ADDRESS (PML4_PAGENUM * PAGESIZE)
+#define PDP_ADDRESS (PDP_PAGENUM * PAGESIZE)
+#define PML4_SEG (PML4_ADDRESS / 16)
+#define PML4_PAGES 3
+#define PAGETABLE_SIZE PML4_PAGES * PAGESIZE
+
+#if 0
+#ifndef ASM
+typedef struct
+{
+	unsigned long long	rax;
+	unsigned long long	rbx;
+	unsigned long long	rcx;
+	unsigned long long	rdx;
+
+	unsigned long long	rsi;
+	unsigned long long	rdi;
+
+	unsigned long long	r8;
+	unsigned long long	r9;
+	unsigned long long	r10;
+	unsigned long long	r11;
+	unsigned long long	r12;
+	unsigned long long	r13;
+	unsigned long long	r14;
+	unsigned long long	r15;
+
+	unsigned short	ds;
+	unsigned short	es;
+	unsigned short	fs;
+	unsigned short	gs;
+
+	unsigned long long	rflags;
+
+} QWORDREGS;
+#endif /* ! ASM */
+#endif

#endif /* __AMD64_AMD64_H_ */

Modified: branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/mm/meminit.c
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/boot/f...
==============================================================================
--- branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/mm/meminit.c [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/boot/freeldr/freeldr/mm/meminit.c [iso-8859-1] Thu Jul 24 06:32:40 2008
@@ -97,7 +97,7 @@
    MmUpdateLastFreePageHint(PageLookupTableAddress, TotalPagesInLookupTable);

// Add machine-dependent stuff
-#ifdef __i386__
+#if defined (__i386__) || defined (_M_AMD64)
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0x00, 1, LoaderFirmwarePermanent); // realmode int vectors
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0x01, 7, LoaderFirmwareTemporary); // freeldr stack + cmdline
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0x08, 0x70, LoaderLoadedProgram); // freeldr image (roughly max. 0x64 pages)
@@ -106,6 +106,9 @@
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0x90, 0x10, LoaderOsloaderHeap); // Disk read buffer for int 13h. DISKREADBUFFER
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0xA0, 0x60, LoaderFirmwarePermanent); // ROM / Video
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0xFFF, 1, LoaderSpecialMemory); // unusable memory
+#if defined (_M_AMD64)
+	MmMarkPagesInLookupTable(PageLookupTableAddress, PML4_PAGENUM, PML4_PAGES, LoaderSpecialMemory); // the page table
+#endif
 #elif __arm__
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0x00, 1, LoaderFirmwarePermanent); // arm exception handlers
    MmMarkPagesInLookupTable(PageLookupTableAddress, 0x01, 7, LoaderFirmwareTemporary); // arm board block + freeldr stack + cmdline