list(APPEND SETUPLDR_MAIN_SOURCE freeldr/freeldr/windows/setupldr2.c)
endif(ARCH MATCHES i386)
-set_source_files_properties(${SETUPLDR_MAIN_SOURCE} PROPERTIES COMPILE_DEFINITIONS "_NTHAL_;FREELDR_REACTOS_SETUP" COMPILE_FLAGS "-ffreestanding -fno-builtin -fno-inline -fno-zero-initialized-in-bss")
+set_source_files_properties(${SETUPLDR_MAIN_SOURCE} PROPERTIES COMPILE_FLAGS "-ffreestanding -fno-builtin -fno-inline -fno-zero-initialized-in-bss")
set(CMAKE_C_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
${CMAKE_CURRENT_BINARY_DIR}/freeldr_freeldr.h.gch
${FREELDR_SOURCE})
-set_target_properties(freeldr PROPERTIES LINK_FLAGS "-Wl,--strip-all -Wl,-entry,_mainCRTStartup -Wl,--image-base,0x8000 -Wl,--exclude-all-symbols -Wl,--subsystem,native" SUFFIX ".sys")
+set_target_properties(freeldr PROPERTIES LINK_FLAGS "-Wl,--strip-all -Wl,-entry,_mainCRTStartup -Wl,--image-base,0x8000 -Wl,--exclude-all-symbols -Wl,--subsystem,native -Wl,--file-alignment,0x1000" SUFFIX ".sys")
if(ARCH MATCHES i386)
target_link_libraries(freeldr mini_hal)
${FREELDR_ARCH_SOURCE}
${SETUPLDR_MAIN_SOURCE})
-add_library(setupldr SHARED
- ${CMAKE_CURRENT_BINARY_DIR}/freeldr_freeldr.h.gch
- ${SETUPLDR_SOURCE})
+add_library(setupldr SHARED ${SETUPLDR_SOURCE})
-set_target_properties(setupldr PROPERTIES LINK_FLAGS "-Wl,--strip-all -Wl,-entry,_mainCRTStartup -Wl,--image-base,0x8000 -Wl,--exclude-all-symbols -Wl,--subsystem,native" SUFFIX ".sys")
+set_target_properties(setupldr PROPERTIES LINK_FLAGS "-Wl,--strip-all -Wl,-entry,_mainCRTStartup -Wl,--image-base,0x8000 -Wl,--exclude-all-symbols -Wl,--subsystem,native -Wl,--file-alignment,0x1000" SUFFIX ".sys" COMPILE_DEFINITIONS "FREELDR_REACTOS_SETUP")
if(ARCH MATCHES i386)
target_link_libraries(setupldr mini_hal)
cmlib
rtl
libcntpr)
-add_pch(setupldr ${CMAKE_CURRENT_SOURCE_DIR}/freeldr/freeldr/include/freeldr.h ${SETUPLDR_SOURCE})
-// FATHELP.ASM
+// fathelp.S
// FAT12/16 Boot Sector Helper Code
// Copyright (c) 1998, 2001, 2002, 2003 Brian Palmer
- .text
- .code16
- .intel_syntax
+.intel_syntax noprefix
+
+.text
+
+.code16
#define BootSectorStackTop 0x7bf2
#define DataAreaStartHigh 0x2
#define ReadClusterOffset 0xc
#define PutCharsOffset 0xe
-#define OEMName 3
-#define BytesPerSector 11
-#define SectsPerCluster 13
-#define ReservedSectors 14
-#define NumberOfFats 16
-#define MaxRootEntries 17
-#define TotalSectors 19
-#define MediaDescriptor 21
-#define SectorsPerFat 22
-#define SectorsPerTrack 24
-#define NumberOfHeads 26
-#define HiddenSectors 28
-#define TotalSectorsBig 32
-#define BootDrive 36
-#define Reserved 37
-#define ExtendSig 38
-#define SerialNumber 39
-#define VolumeLabel 43
-#define FileSystem 54
-
-#define BootPartition 0x7dfd
-
+#define OEMName 3
+#define BytesPerSector 11
+#define SectsPerCluster 13
+#define ReservedSectors 14
+#define NumberOfFats 16
+#define MaxRootEntries 17
+#define TotalSectors 19
+#define MediaDescriptor 21
+#define SectorsPerFat 22
+#define SectorsPerTrack 24
+#define NumberOfHeads 26
+#define HiddenSectors 28
+#define TotalSectorsBig 32
+#define BootDrive 36
+#define Reserved 37
+#define ExtendSig 38
+#define SerialNumber 39
+#define VolumeLabel 43
+#define FileSystem 54
+
// This code will be stored in the first 512 bytes
// of freeldr.sys. The first 3 bytes will be a jmp
//
// This code is loaded at 0000:8000 so we have to
// encode a jmp instruction to jump to 0000:8200
+//.org 0x8000
-.globl _mainCRTStartup /* For Mingw32 builds where the linker looks for this symbol */
+.global _mainCRTStartup // For Mingw32 builds where the linker looks for this symbol
_mainCRTStartup:
-.globl start
+.global start
start:
- .byte 0xe9
+ .byte 0xe9
.byte 0xfd
.byte 0x01
FatHelperEntryPoint:
- push %ax /* First save AX - the start cluster of freeldr.sys */
+ push ax // First save AX - the start cluster of freeldr.sys
// Display "Loading FreeLoader..." message
- mov %esi,msgLoading /* Loading message */
- call [%bp-PutCharsOffset] /* Display it */
+ mov esi, offset msgLoading // Loading message
+ call [bp-PutCharsOffset] // Display it
call ReadFatIntoMemory
- pop %ax /* Restore AX (start cluster) */
+ pop ax // Restore AX (start cluster)
// AX has start cluster of freeldr.sys
- mov %bx,0x800
- mov %es,%bx
+ mov bx,0x800
+ mov es,bx
LoadFile:
- push %ax
+ push ax
call IsFat12
- pop %ax
+ pop ax
jnc LoadFile2
- cmp %ax,0xff8 /* Check to see if this is the last cluster in the chain */
+ cmp ax,0x0ff8 // Check to see if this is the last cluster in the chain
jmp LoadFile3
LoadFile2:
- cmp %ax,0xfff8
+ cmp ax,0x0fff8
LoadFile3:
- jae LoadFile_Done /* If so continue, if not then read then next one */
- push %ax
- xor %bx,%bx /* Load ROSLDR starting at 0000:8000h */
- push %es
- call [%bp-ReadClusterOffset]
- pop %es
-
- xor %bx,%bx
- mov %bl,BYTE [%bp+SectsPerCluster]
- shl %bx,5 /* BX = BX * 512 / 16 */
- mov %ax,%es /* Increment the load address by */
- add %ax,%bx /* The size of a cluster */
- mov %es,%ax
+ jae LoadFile_Done // If so continue, if not then read then next one
+ push ax
+ xor bx,bx // Load ROSLDR starting at 0000:8000h
+ push es
+ call [bp-ReadClusterOffset]
+ pop es
+
+ xor bx,bx
+ mov bl, [bp+SectsPerCluster]
+ shl bx,5 // BX = BX * 512 / 16
+ mov ax,es // Increment the load address by
+ add ax,bx // The size of a cluster
+ mov es,ax
call IsFat12
- pop %ax
- push %es
+ pop ax
+ push es
jnc LoadFile4
- call GetFatEntry12 /* Get the next entry */
+ call GetFatEntry12 // Get the next entry
jmp LoadFile5
LoadFile4:
call GetFatEntry16
LoadFile5:
- pop %es
+ pop es
- jmp LoadFile /* Load the next cluster (if any) */
+ jmp LoadFile // Load the next cluster (if any)
LoadFile_Done:
- mov %dl,BYTE [%bp+BootDrive] /* Load the boot drive into DL */
- mov %dh,[BootPartition] /* Load the boot partition into DH */
+ mov dl, [bp+BootDrive] // Load the boot drive into DL
+ mov dh, BootPartition // Load the boot partition into DH
+ push word ptr 0x0000
+ push word ptr 0x8000 // We will do a far return to 0000:8000h
+
+// retf // Transfer control to ROSLDR
+ .byte 0xcb // == retf
- push 0 /* push segment (0x0000) */
- mov %bx, [0x80A8] /* load the RVA of the EntryPoint into eax */
- add %bx, 0x8000 /* RVA -> VA and skip 3 bytes (jump to fathelper code) */
- push %bx /* push offset */
- retf /* Transfer control to FreeLoader */
// Reads the entire FAT into memory at 7000:0000
ReadFatIntoMemory:
- mov %ax,WORD [%bp+HiddenSectors]
- mov %dx,WORD [%bp+HiddenSectors+2]
- add %ax,WORD [%bp+ReservedSectors]
- adc %dx,0
- mov %cx,WORD [%bp+SectorsPerFat]
- mov %bx,0x7000
- mov %es,%bx
- xor %bx,%bx
- call [%bp-ReadSectorsOffset]
+ mov ax, [bp+HiddenSectors]
+ mov dx, [bp+HiddenSectors+2]
+ add ax, [bp+ReservedSectors]
+ adc dx, 0
+ mov cx, [bp+SectorsPerFat]
+ mov bx,0x7000
+ mov es,bx
+ xor bx,bx
+ call [bp-ReadSectorsOffset]
ret
// On return AX has FAT entry for that cluster
GetFatEntry16:
- mov %cx,2 /* AX = AX * 2 (since FAT16 entries are 2 bytes) */
- mul %cx
- shl %dx,12
+ mov cx,2 // AX = AX * 2 (since FAT16 entries are 2 bytes)
+ mul cx
+ shl dx,12
- mov %bx,0x7000
- add %bx,%dx
- mov %es,%bx
- mov %bx,%ax /* Restore FAT entry offset */
- es mov %ax,WORD [%bx] /* Get FAT entry */
+ mov bx,0x7000
+ add bx,dx
+ mov es,bx
+ mov bx,ax // Restore FAT entry offset
+ mov ax, es:[bx] // Get FAT entry
ret
// On return AX has FAT entry for that cluster
GetFatEntry12:
- push %ax
- mov %cx,%ax
- shr %ax,1
- add %ax,%cx /* AX = AX * 1.5 (AX = AX + (AX / 2)) (since FAT12 entries are 12 bits) */
-
- mov %bx,0x7000
- mov %es,%bx
- mov %bx,%ax /* Put FAT entry offset into BX */
- es mov %ax,WORD [%bx] /* Get FAT entry */
- pop %cx /* Get cluster number from stack */
- and %cx,1
+ push ax
+ mov cx,ax
+ shr ax,1
+ add ax,cx // AX = AX * 1.5 (AX = AX + (AX / 2)) (since FAT12 entries are 12 bits)
+
+ mov bx,0x7000
+ mov es,bx
+ mov bx,ax // Put FAT entry offset into BX
+ mov ax, es:[bx] // Get FAT entry
+ pop cx // Get cluster number from stack
+ and cx,1
jz UseLow12Bits
- and %ax,0xfff0
- shr %ax,4
+ and ax,0x0fff0
+ shr ax,4
jmp GetFatEntry12_Done
UseLow12Bits:
- and %ax,0x0fff
+ and ax,0x0fff
GetFatEntry12_Done:
// Otherwise CF = 0 for FAT16
IsFat12:
- mov %ebx,DWORD [%bp-DataAreaStartLow]
+ mov ebx, [bp-DataAreaStartLow]
// EBX now has the number of the starting sector of the data area
// starting from the beginning of the disk, so subtrace hidden sectors
- sub %ebx,DWORD [%bp+HiddenSectors]
+ sub ebx, [bp+HiddenSectors]
- xor %eax,%eax
- mov %ax,WORD [%bp+TotalSectors]
- cmp %ax,0
+ xor eax,eax
+ mov ax, [bp+TotalSectors]
+ cmp ax, 0
jnz IsFat12_2
- mov %eax,DWORD [%bp+TotalSectorsBig]
+ mov eax, [bp+TotalSectorsBig]
// EAX now contains the number of sectors on the volume
IsFat12_2:
- sub %eax,%ebx /* Subtract data area start sector */
- xor %edx,%edx /* from total sectors of volume */
+ sub eax,ebx // Subtract data area start sector
+ xor edx,edx // from total sectors of volume
// EDX:EAX now contains the number of data sectors on the volume
- xor %ebx,%ebx
- mov %bl,BYTE [%bp+SectsPerCluster]
- div %ebx
+ movzx ebx, byte ptr [bp+SectsPerCluster]
+ div ebx
// EAX now has the number of clusters on the volume
stc
- cmp %eax,4085
+ cmp eax,4085
jb IsFat12_Done
clc
msgLoading:
- .asciz "Loading FreeLoader...\r\n"
+ .ascii "Loading FreeLoader..."
+ .byte 0x0d,0x0a,0
+
+// times 510-($-$$) db 0 // Pad to 510 bytes
+.org 0x1fe
+ .word 0x0aa55 // BootSector signature
+
- .org 0x1fe
-blockend:
- .word 0x0aa55 /* BootSector signature */
+// pseudo adresses
+//.org 0x7dfd
+BootPartition:
halx86/generic/i386/systimer.S
halx86/generic/i386/trap.S)
-add_library(hal_generic ${HAL_GENERIC_SOURCE} ${CMAKE_CURRENT_BINARY_DIR}/hal_generic_hal.h.gch)
-add_pch(hal_generic ${CMAKE_CURRENT_SOURCE_DIR}/halx86/include/hal.h ${HAL_GENERIC_SOURCE})
-add_dependencies(hal_generic psdk bugcodes)
-
list(APPEND HAL_GENERIC_PCAT_SOURCE
halx86/generic/legacy/bus/bushndlr.c
halx86/generic/legacy/bus/cmosbus.c
halx86/generic/legacy/bussupp.c
halx86/generic/legacy/halpcat.c)
-add_library(hal_generic_pcat ${HAL_GENERIC_PCAT_SOURCE})
-add_dependencies(hal_generic_pcat psdk)
-
list(APPEND HAL_GENERIC_UP_SOURCE
halx86/generic/spinlock.c
halx86/up/pic.c
halx86/up/processor.c)
-add_library(hal_generic_up ${HAL_GENERIC_UP_SOURCE})
-add_dependencies(hal_generic_up psdk)
-
set(CMAKE_C_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
-add_library(hal SHARED halx86/up/halinit_up.c halx86/up/halup.rc)
+list(APPEND HAL_SOURCE
+ ${CMAKE_CURRENT_BINARY_DIR}/hal_hal.h.gch
+ ${HAL_GENERIC_SOURCE}
+ ${HAL_GENERIC_PCAT_SOURCE}
+ ${HAL_GENERIC_UP_SOURCE}
+ halx86/up/halinit_up.c
+ halx86/up/halup.rc)
+
+add_library(hal SHARED ${HAL_SOURCE})
+add_pch(hal ${CMAKE_CURRENT_SOURCE_DIR}/halx86/include/hal.h ${HAL_SOURCE})
+add_dependencies(hal psdk bugcodes)
-set_target_properties(hal PROPERTIES LINK_FLAGS "-Wl,-entry,_HalInitSystem@8")
+set_target_properties(hal PROPERTIES LINK_FLAGS "-Wl,-entry,_HalInitSystem@8 -Wl,--image-base,0x00010000 -Wl,--subsystem,native")
target_link_libraries(hal
${CMAKE_CURRENT_SOURCE_DIR}/halx86/hal_i386.def
- -Wl,--whole-archive hal_generic -Wl,--no-whole-archive
- hal_generic_pcat
- hal_generic_up
${REACTOS_SOURCE_DIR}/ntoskrnl/libntoskrnl.a
libcntpr)
endif(ARCH MATCHES i386)
add_library(mini_hal ${MINI_HAL_SOURCE})
-set_property(TARGET mini_hal PROPERTY COMPILE_DEFINITIONS _BLDR_ _MINIHAL_)
+set_property(TARGET mini_hal PROPERTY COMPILE_DEFINITIONS "_BLDR_;_MINIHAL_")
add_dependencies(mini_hal psdk bugcodes)
else()
projects / reactos.git / commitdiff