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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] x86/boot: LEA -> MOV in video handling code
commit a859b0b0d75e9321f4d98afeb92082857ce30541
Author: Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Apr 11 12:31:02 2022 +0200
Commit: Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Apr 11 12:31:02 2022 +0200
x86/boot: LEA -> MOV in video handling code
Replace most LEA instances with (one byte shorter) MOV.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
xen/arch/x86/boot/video.S | 58 +++++++++++++++++++++++------------------------
1 file changed, 29 insertions(+), 29 deletions(-)
diff --git a/xen/arch/x86/boot/video.S b/xen/arch/x86/boot/video.S
index 1b3f363fc4..0ae04f270f 100644
--- a/xen/arch/x86/boot/video.S
+++ b/xen/arch/x86/boot/video.S
@@ -60,7 +60,7 @@ video: xorw %ax, %ax
call mode_set # Set the mode
jc vid1
- leaw bootsym(badmdt), %si # Invalid mode ID
+ movw $bootsym(badmdt), %si # Invalid mode ID
call prtstr
vid2: call mode_menu
vid1: call store_edid
@@ -113,7 +113,7 @@ mopar2: movb %al, _param(PARAM_VIDEO_LINES)
# Fetching of VESA frame buffer parameters
mopar_gr:
- leaw vesa_mode_info, %di
+ movw $vesa_mode_info, %di
movb $0x23, _param(PARAM_HAVE_VGA)
movw 16(%di), %ax
movw %ax, _param(PARAM_LFB_LINELENGTH)
@@ -133,7 +133,7 @@ mopar_gr:
movw %ax, _param(PARAM_VESA_ATTRIB)
# get video mem size
- leaw vesa_glob_info, %di
+ movw $vesa_glob_info, %di
movzwl 18(%di), %eax
movl %eax, _param(PARAM_LFB_SIZE)
@@ -189,7 +189,7 @@ no_pm: pushw %ds
# The video mode menu
mode_menu:
- leaw bootsym(keymsg), %si # "Return/Space/Timeout" message
+ movw $bootsym(keymsg), %si # "Return/Space/Timeout" message
call prtstr
call flush
nokey: call getkt
@@ -206,22 +206,22 @@ nokey: call getkt
defmd1: ret # No mode chosen? Default 80x25
listm: call mode_table # List mode table
-listm0: leaw bootsym(name_bann), %si # Print adapter name
+listm0: movw $bootsym(name_bann), %si # Print adapter name
call prtstr
movw bootsym(card_name), %si
orw %si, %si
jnz an2
- leaw bootsym(vga_name), %si
+ movw $bootsym(vga_name), %si
jmp an1
an2: call prtstr
- leaw bootsym(svga_name), %si
+ movw $bootsym(svga_name), %si
an1: call prtstr
- leaw bootsym(listhdr), %si # Table header
+ movw $bootsym(listhdr), %si # Table header
call prtstr
movb $0x30, %dl # DL holds mode number
- leaw modelist, %si
+ movw $modelist, %si
lm1: cmpw $ASK_VGA, (%si) # End?
jz lm2
@@ -240,7 +240,7 @@ lm1: cmpw $ASK_VGA, (%si) # End?
testb $0xff,(%si)
jnz 1f
push %si
- leaw bootsym(textmode), %si
+ movw $bootsym(textmode), %si
call prtstr
pop %si
lodsw
@@ -257,7 +257,7 @@ lm1: cmpw $ASK_VGA, (%si) # End?
cmpb $'z'+1, %dl
jnz skip_bail
- leaw bootsym(menu_bail_msg), %si
+ movw $bootsym(menu_bail_msg), %si
call prtstr
jmp lm2
@@ -266,13 +266,13 @@ skip_bail:
jnz skip_pause
push %si
push %dx
- leaw bootsym(menu_more_msg), %si # '<press space>'
+ movw $bootsym(menu_more_msg), %si # '<press space>'
call prtstr
call flush
1: call getkey
cmpb $0x20, %al # SPACE ?
jne 1b # yes - manual mode selection
- leaw bootsym(crlft), %si
+ movw $bootsym(crlft), %si
call prtstr
pop %dx
pop %si
@@ -283,9 +283,9 @@ skip_pause:
movb $'a', %dl
jmp lm1
-lm2: leaw bootsym(prompt), %si # Mode prompt
+lm2: movw $bootsym(prompt), %si # Mode prompt
call prtstr
- leaw bootsym(edit_buf), %di # Editor buffer
+ movw $bootsym(edit_buf), %di # Editor buffer
lm3: call getkey
cmpb $0x0d, %al # Enter?
jz lment
@@ -315,9 +315,9 @@ lmbs: cmpw $bootsym(edit_buf), %di # Backspace
jmp lm3
lment: movb $0, (%di)
- leaw bootsym(crlft), %si
+ movw $bootsym(crlft), %si
call prtstr
- leaw bootsym(edit_buf), %si
+ movw $bootsym(edit_buf), %si
cmpb $0, (%si) # Empty string = default mode
jz lmdef
@@ -373,7 +373,7 @@ mnusel: lodsb # Menu selection
lmuse: call mode_set
jc lmdef
-lmbad: leaw bootsym(unknt), %si
+lmbad: movw $bootsym(unknt), %si
call prtstr
jmp mode_menu
lmdef: ret
@@ -424,13 +424,13 @@ setmenu:
jmp mode_set
check_vesa:
- leaw vesa_glob_info, %di
+ movw $vesa_glob_info, %di
movw $0x4f00, %ax
int $0x10
cmpw $0x004f, %ax
jnz setbad
- leaw vesa_mode_info, %di # Get mode information structure
+ movw $vesa_mode_info, %di # Get mode information structure
leaw -VIDEO_FIRST_VESA(%bx), %cx
movw $0x4f01, %ax
int $0x10
@@ -497,7 +497,7 @@ inidx: outb %al, %dx # Read from indexed
VGA register
setvesabysize:
call mode_table
- leaw modelist,%si
+ movw $modelist,%si
1: add $8,%si
movw -8(%si),%bx
cmpw $ASK_VGA,%bx # End?
@@ -656,8 +656,8 @@ mode_table:
orw %di, %di
jnz mtab1
- leaw modelist, %di # Store standard modes:
- leaw bootsym(vga_modes), %si # All modes for std VGA
+ movw $modelist, %di # Store standard modes:
+ movw $bootsym(vga_modes), %si # All modes for std VGA
movw $vga_modes_end-vga_modes, %cx
rep movsb
@@ -665,7 +665,7 @@ mode_table:
movw $ASK_VGA, (%di) # End marker
movw %di, bootsym(mt_end)
-mtab1: leaw modelist, %si # SI=mode list, DI=list end
+mtab1: movw $modelist, %si # SI=mode list, DI=list end
ret0: ret
# Modes usable on all standard VGAs
@@ -681,7 +681,7 @@ vga_modes_end:
# If the current mode is a VESA graphics one, obtain its parameters.
set_current:
- leaw vesa_glob_info, %di
+ movw $vesa_glob_info, %di
movw $0x4f00, %ax
int $0x10
cmpw $0x004f, %ax
@@ -692,7 +692,7 @@ set_current:
cmpw $0x004f, %ax
jne .Lsetc_done
- leaw vesa_mode_info, %di # Get mode information structure
+ movw $vesa_mode_info, %di # Get mode information structure
movw %bx, %cx
movw $0x4f01, %ax
int $0x10
@@ -715,7 +715,7 @@ set_current:
# Detect VESA modes.
vesa_modes:
movw %di, %bp # BP=original mode table end
- leaw vesa_glob_info, %di
+ movw $vesa_glob_info, %di
movw $0x4f00, %ax # VESA Get card info call
int $0x10
movw %di, %si
@@ -772,7 +772,7 @@ vesa2: pushw %cx
addw $8, %di # The mode is valid. Store it.
vesan: loop vesa1 # Next mode. Limit exceeded => error
-vesae: leaw bootsym(vesaer), %si
+vesae: movw $bootsym(vesaer), %si
call prtstr
movw %bp, %di # Discard already found modes.
vesar: popw %gs
@@ -917,7 +917,7 @@ store_edid:
cmpb $1, %al # EDID disabled on cmdline (edid=no)?
je .Lno_edid
- leaw vesa_glob_info, %di
+ movw $vesa_glob_info, %di
movw $0x4f00, %ax
int $0x10
cmpw $0x004f, %ax
--
generated by git-patchbot for /home/xen/git/xen.git#master
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