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remove all trailing whitespace

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This commit is contained in:
fzielcke 2009-06-10 21:04:23 +00:00
parent d2d4966571
commit b39f9d20a9
222 changed files with 3286 additions and 3286 deletions
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164
kern/i386/pc/startup.S
View file

@ -21,7 +21,7 @@
* Note: These functions defined in this file may be called from C.
* Be careful of that you must not modify some registers. Quote
* from gcc-2.95.2/gcc/config/i386/i386.h:
1 for registers not available across function calls.
These must include the FIXED_REGISTERS and also any
registers that can be used without being saved.
@ -52,9 +52,9 @@
#include <grub/term.h>
#include <multiboot.h>
#include <multiboot2.h>
#define ABS(x) ((x) - _start + GRUB_BOOT_MACHINE_KERNEL_ADDR + 0x200)
.file "startup.S"
.text
@ -140,7 +140,7 @@ multiboot_header:
.long 0
/* entry addr */
.long multiboot_entry - _start + 0x100000 + 0x200
multiboot_entry:
.code32
/* obtain the boot device */
@ -157,7 +157,7 @@ multiboot_entry:
/* jump to the real address */
movl $multiboot_trampoline, %eax
jmp *%eax
multiboot_trampoline:
/* fill the boot information */
movl %edx, %eax
@ -178,7 +178,7 @@ multiboot_trampoline:
/* enter the usual booting */
call prot_to_real
.code16
/* the real mode code continues... */
codestart:
cli /* we're not safe here! */
@ -201,7 +201,7 @@ codestart:
/* reset disk system (%ah = 0) */
int $0x13
/* transition to protected mode */
DATA32 call real_to_prot
@ -210,7 +210,7 @@ codestart:
incl %eax
call EXT_C(grub_gate_a20)
#if defined(ENABLE_LZO)
/* decompress the compressed part and put the result at 1MB */
movl $GRUB_MEMORY_MACHINE_DECOMPRESSION_ADDR, %esi
@ -260,7 +260,7 @@ codestart:
rep
movsb
#endif
#ifdef APPLE_CC
/* clean out the bss */
bss_start_abs = ABS (bss_start)
@ -279,13 +279,13 @@ codestart:
movl $END_SYMBOL, %ecx
subl %edi, %ecx
#endif
/* clean out */
xorl %eax, %eax
cld
rep
stosb
/*
* Call the start of main body of C code.
*/
@ -304,7 +304,7 @@ VARIABLE(grub_root_drive)
.byte 0
.p2align 2 /* force 4-byte alignment */
/*
* These next two routines, "real_to_prot" and "prot_to_real" are structured
* in a very specific way. Be very careful when changing them.
@ -375,7 +375,7 @@ protcseg:
FUNCTION(grub_gate_a20)
movl %eax, %edx
gate_a20_test_current_state:
gate_a20_test_current_state:
/* first of all, test if already in a good state */
call gate_a20_check_state
cmpb %al, %dl
@ -402,7 +402,7 @@ gate_a20_try_bios:
cmpb %al, %dl
jnz gate_a20_try_system_control_port_a
ret
gate_a20_try_system_control_port_a:
/*
* In macbook, the keyboard test would hang the machine, so we move
@ -430,7 +430,7 @@ gate_a20_flush_keyboard_buffer:
inb $0x64
andb $0x02, %al
jnz gate_a20_flush_keyboard_buffer
2:
2:
inb $0x64
andb $0x01, %al
jz 3f
@ -438,14 +438,14 @@ gate_a20_flush_keyboard_buffer:
jmp 2b
3:
ret
gate_a20_try_keyboard_controller:
gate_a20_try_keyboard_controller:
/* third, try the keyboard controller */
call gate_a20_flush_keyboard_buffer
movb $0xd1, %al
outb $0x64
4:
4:
inb $0x64
andb $0x02, %al
jnz 4b
@ -467,18 +467,18 @@ gate_a20_try_keyboard_controller:
/* everything failed, so restart from the beginning */
jnz gate_a20_try_bios
ret
gate_a20_check_state:
/* iterate the checking for a while */
movl $100, %ecx
1:
1:
call 3f
cmpb %al, %dl
jz 2f
loop 1b
2:
ret
3:
3:
pushl %ebx
pushl %ecx
xorl %eax, %eax
@ -567,7 +567,7 @@ FUNCTION(grub_exit)
int $0x18
jmp cold_reboot
.code32
/*
* grub_reboot()
*
@ -576,13 +576,13 @@ FUNCTION(grub_exit)
FUNCTION(grub_reboot)
call prot_to_real
.code16
cold_reboot:
cold_reboot:
/* cold boot */
movw $0x0472, %di
movw %ax, (%di)
ljmp $0xFFFF, $0x0000
.code32
/*
* grub_halt(int no_apm)
*
@ -596,7 +596,7 @@ FUNCTION(grub_halt)
call prot_to_real
.code16
/* detect APM */
movw $0x5300, %ax
xorw %bx, %bx
@ -621,7 +621,7 @@ FUNCTION(grub_halt)
movw $0x0101, %cx
int $0x15
jc EXT_C(grub_hard_stop)
/* set the power state to off */
movw $0x5307, %ax
movw $1, %bx
@ -631,8 +631,8 @@ FUNCTION(grub_halt)
/* shouldn't reach here */
jmp EXT_C(grub_hard_stop)
.code32
/*
* void grub_chainloader_real_boot (int drive, void *part_addr)
*
@ -683,7 +683,7 @@ FUNCTION(grub_biosdisk_rw_int13_extensions)
movb %al, %dh
/* enter real mode */
call prot_to_real
.code16
movb %dh, %ah
movw %cx, %ds
@ -699,7 +699,7 @@ FUNCTION(grub_biosdisk_rw_int13_extensions)
popl %ebp
ret
/*
* int grub_biosdisk_rw_standard (int ah, int drive, int coff, int hoff,
* int soff, int nsec, int segment)
@ -735,7 +735,7 @@ FUNCTION(grub_biosdisk_rw_standard)
movw %ax, %di
/* save SEGMENT in %bx */
movw 0x14(%ebp), %bx
/* enter real mode */
call prot_to_real
@ -744,7 +744,7 @@ FUNCTION(grub_biosdisk_rw_standard)
xorw %bx, %bx
movw $3, %si /* attempt at least three times */
1:
1:
movw %di, %ax
int $0x13 /* do the operation */
jnc 2f /* check if successful */
@ -753,19 +753,19 @@ FUNCTION(grub_biosdisk_rw_standard)
/* if fail, reset the disk system */
xorw %ax, %ax
int $0x13
decw %si
cmpw $0, %si
je 2f
xorb %bl, %bl
jmp 1b /* retry */
2:
2:
/* back to protected mode */
DATA32 call real_to_prot
.code32
movb %bl, %al /* return value in %eax */
popl %esi
popl %edi
popl %ebx
@ -794,7 +794,7 @@ FUNCTION(grub_biosdisk_check_int13_extensions)
movb $0x41, %ah
movw $0x55aa, %bx
int $0x13 /* do the operation */
/* check the result */
jc 1f
cmpw $0xaa55, %bx
@ -805,7 +805,7 @@ FUNCTION(grub_biosdisk_check_int13_extensions)
/* check if AH=0x42 is supported */
andw $1, %cx
jnz 2f
1:
xorb %bl, %bl
2:
@ -870,13 +870,13 @@ FUNCTION(grub_biosdisk_get_diskinfo_int13_extensions)
popl %esi
popl %ebx
popl %ebp
ret
/*
* int grub_biosdisk_get_diskinfo_standard (int drive,
* unsigned long *cylinders,
* unsigned long *cylinders,
* unsigned long *heads,
* unsigned long *sectors)
*
@ -894,7 +894,7 @@ FUNCTION(grub_biosdisk_get_diskinfo_standard)
/* push HEADS */
pushl %ecx
/* SECTORS is on the stack */
/* drive */
movb %al, %dl
/* enter real mode */
@ -936,7 +936,7 @@ FUNCTION(grub_biosdisk_get_diskinfo_standard)
andb $0x3f, %cl
movzbl %cl, %eax
movl %eax, (%edi)
xorl %eax, %eax
movb %bl, %al /* return value in %eax */
@ -955,20 +955,20 @@ FUNCTION(grub_biosdisk_get_num_floppies)
xorl %edx, %edx
call prot_to_real
.code16
/* reset the disk system first */
int $0x13
1:
stc
/* call GET DISK TYPE */
movb $0x15, %ah
int $0x13
jc 2f
/* check if this drive exists */
/* check if this drive exists */
testb $0x3, %ah
jz 2f
@ -982,8 +982,8 @@ FUNCTION(grub_biosdisk_get_num_floppies)
movl %edx, %eax
popl %ebp
ret
/*
*
* grub_get_memsize(i) : return the memory size in KB. i == 0 for conventional
@ -1080,7 +1080,7 @@ FUNCTION(grub_get_mmap_entry)
/* push ADDR */
pushl %eax
/* place address (+4) in ES:DI */
addl $4, %eax
movl %eax, %edi
@ -1148,7 +1148,7 @@ xsmap:
popl %ebp
ret
/*
* void grub_console_real_putchar (int c)
*
@ -1167,7 +1167,7 @@ FUNCTION(grub_console_real_putchar)
movl %eax, %edx
pusha
movb EXT_C(grub_console_cur_color), %bl
call prot_to_real
.code16
movb %dl, %al
@ -1186,7 +1186,7 @@ FUNCTION(grub_console_real_putchar)
/* save the character and the attribute on the stack */
pushw %ax
pushw %bx
/* get the current position */
movb $0x3, %ah
int $0x10
@ -1194,22 +1194,22 @@ FUNCTION(grub_console_real_putchar)
/* check the column with the width */
cmpb $79, %dl
jl 2f
/* print CR and LF, if next write will exceed the width */
/* print CR and LF, if next write will exceed the width */
movw $0x0e0d, %ax
int $0x10
movb $0x0a, %al
int $0x10
/* get the current position */
movb $0x3, %ah
int $0x10
2:
2:
/* restore the character and the attribute */
popw %bx
popw %ax
/* write the character with the attribute */
movb $0x9, %ah
movw $1, %cx
@ -1225,13 +1225,13 @@ FUNCTION(grub_console_real_putchar)
1: movw $1, %bx
movb $0xe, %ah
int $0x10
3: DATA32 call real_to_prot
.code32
popa
ret
/*
* int grub_console_getkey (void)
@ -1254,7 +1254,7 @@ translation_table:
.word GRUB_CONSOLE_KEY_PPAGE, GRUB_TERM_PPAGE
.word GRUB_CONSOLE_KEY_NPAGE, GRUB_TERM_NPAGE
.word 0
/*
* translate_keycode translates the key code %dx to an ascii code.
*/
@ -1263,14 +1263,14 @@ translation_table:
translate_keycode:
pushw %bx
pushw %si
#ifdef APPLE_CC
translation_table_abs = ABS (translation_table) - 0x10000
movw $(translation_table_abs), %si
#else
movw $ABS(translation_table), %si
#endif
1: lodsw
/* check if this is the end */
testw %ax, %ax
@ -1289,7 +1289,7 @@ translate_keycode:
ret
.code32
FUNCTION(grub_console_getkey)
pushl %ebp
@ -1317,7 +1317,7 @@ FUNCTION(grub_console_getkey)
movw %ax, %dx /* real_to_prot uses %eax */
call translate_keycode
DATA32 call real_to_prot
.code32
@ -1343,7 +1343,7 @@ FUNCTION(grub_console_getkey)
FUNCTION(grub_console_checkkey)
pushl %ebp
xorl %edx, %edx
call prot_to_real /* enter real mode */
.code16
@ -1351,7 +1351,7 @@ FUNCTION(grub_console_checkkey)
int $0x16
jz notpending
movw %ax, %dx
DATA32 jmp pending
@ -1367,7 +1367,7 @@ pending:
popl %ebp
ret
/*
* grub_uint16_t grub_console_getxy (void)
* BIOS call "INT 10H Function 03h" to get cursor position
@ -1433,7 +1433,7 @@ FUNCTION(grub_console_gotoxy)
popl %ebp
ret
/*
* void grub_console_cls (void)
* BIOS call "INT 10H Function 09h" to write character and attribute
@ -1474,7 +1474,7 @@ FUNCTION(grub_console_cls)
popl %ebp
ret
/*
* void grub_console_setcursor (int on)
* BIOS call "INT 10H Function 01h" to set cursor type
@ -1487,14 +1487,14 @@ console_cursor_state:
.byte 1
console_cursor_shape:
.word 0
FUNCTION(grub_console_setcursor)
pushl %ebp
pushl %ebx
/* push ON */
pushl %eax
/* check if the standard cursor shape has already been saved */
movw console_cursor_shape, %ax
testw %ax, %ax
@ -1518,12 +1518,12 @@ FUNCTION(grub_console_setcursor)
testl %eax, %eax
jz 2f
movw console_cursor_shape, %cx
2:
2:
call prot_to_real
.code16
movb $0x1, %ah
int $0x10
int $0x10
DATA32 call real_to_prot
.code32
@ -1531,7 +1531,7 @@ FUNCTION(grub_console_setcursor)
popl %ebx
popl %ebp
ret
/*
* grub_getrtsecs()
* if a seconds value can be read, read it and return it (BCD),
@ -1572,7 +1572,7 @@ gottime:
popl %ebp
ret
/*
* grub_get_rtc()
* return the real time in ticks, of which there are about
@ -1669,7 +1669,7 @@ FUNCTION(grub_vbe_bios_get_controller_info)
xorw %ax, %ax
shrl $4, %eax
mov %eax, %edx /* prot_to_real destroys %eax. */
call prot_to_real
.code16
@ -1688,7 +1688,7 @@ FUNCTION(grub_vbe_bios_get_controller_info)
movl %edx, %eax
andl $0x0FFFF, %eax /* Return value in %eax. */
pop %edx
popl %edi
popl %ebp
@ -1770,7 +1770,7 @@ FUNCTION(grub_vbe_bios_set_mode)
DATA32 call real_to_prot
.code32
movw %dx, %ax
andl $0xFFFF, %eax /* Return value in %eax. */
@ -1841,7 +1841,7 @@ FUNCTION(grub_vbe_bios_set_memory_window)
DATA32 call real_to_prot
.code32
movw %dx, %ax
andl $0xFFFF, %eax /* Return value in %eax. */
@ -1914,7 +1914,7 @@ FUNCTION(grub_vbe_bios_set_scanline_length)
DATA32 call real_to_prot
.code32
movw %dx, %ax
andl $0xFFFF, %eax /* Return value in %eax. */
@ -1977,7 +1977,7 @@ FUNCTION(grub_vbe_bios_set_display_start)
.code16
movw $0x4f07, %ax
movw $0x0080, %bx /* BL = 80h, Set Display Start
movw $0x0080, %bx /* BL = 80h, Set Display Start
during Vertical Retrace. */
int $0x10
@ -1985,7 +1985,7 @@ FUNCTION(grub_vbe_bios_set_display_start)
DATA32 call real_to_prot
.code32
movw %dx, %ax
andl $0xFFFF, %eax /* Return value in %eax. */
@ -2075,7 +2075,7 @@ FUNCTION(grub_vbe_bios_set_palette_data)
DATA32 call real_to_prot
.code32
movw %dx, %ax
andl $0xFFFF, %eax /* Return value in %eax. */