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-rw-r--r--arch/i386/kernel/acpi/wakeup.S41
-rw-r--r--arch/x86_64/kernel/acpi/wakeup.S47
2 files changed, 23 insertions, 65 deletions
diff --git a/arch/i386/kernel/acpi/wakeup.S b/arch/i386/kernel/acpi/wakeup.S
index ed0a0f2c159..f22ba8534d2 100644
--- a/arch/i386/kernel/acpi/wakeup.S
+++ b/arch/i386/kernel/acpi/wakeup.S
@@ -151,51 +151,30 @@ bogus_real_magic:
151#define VIDEO_FIRST_V7 0x0900 151#define VIDEO_FIRST_V7 0x0900
152 152
153# Setting of user mode (AX=mode ID) => CF=success 153# Setting of user mode (AX=mode ID) => CF=success
154
155# For now, we only handle VESA modes (0x0200..0x03ff). To handle other
156# modes, we should probably compile in the video code from the boot
157# directory.
154mode_set: 158mode_set:
155 movw %ax, %bx 159 movw %ax, %bx
156#if 0 160 subb $VIDEO_FIRST_VESA>>8, %bh
157 cmpb $0xff, %ah 161 cmpb $2, %bh
158 jz setalias 162 jb check_vesa
159
160 testb $VIDEO_RECALC>>8, %ah
161 jnz _setrec
162
163 cmpb $VIDEO_FIRST_RESOLUTION>>8, %ah
164 jnc setres
165
166 cmpb $VIDEO_FIRST_SPECIAL>>8, %ah
167 jz setspc
168
169 cmpb $VIDEO_FIRST_V7>>8, %ah
170 jz setv7
171#endif
172
173 cmpb $VIDEO_FIRST_VESA>>8, %ah
174 jnc check_vesa
175#if 0
176 orb %ah, %ah
177 jz setmenu
178#endif
179
180 decb %ah
181# jz setbios Add bios modes later
182 163
183setbad: clc 164setbad:
165 clc
184 ret 166 ret
185 167
186check_vesa: 168check_vesa:
187 subb $VIDEO_FIRST_VESA>>8, %bh
188 orw $0x4000, %bx # Use linear frame buffer 169 orw $0x4000, %bx # Use linear frame buffer
189 movw $0x4f02, %ax # VESA BIOS mode set call 170 movw $0x4f02, %ax # VESA BIOS mode set call
190 int $0x10 171 int $0x10
191 cmpw $0x004f, %ax # AL=4f if implemented 172 cmpw $0x004f, %ax # AL=4f if implemented
192 jnz _setbad # AH=0 if OK 173 jnz setbad # AH=0 if OK
193 174
194 stc 175 stc
195 ret 176 ret
196 177
197_setbad: jmp setbad
198
199 .code32 178 .code32
200 ALIGN 179 ALIGN
201 180
diff --git a/arch/x86_64/kernel/acpi/wakeup.S b/arch/x86_64/kernel/acpi/wakeup.S
index 13f1480cbec..a06f2bcabef 100644
--- a/arch/x86_64/kernel/acpi/wakeup.S
+++ b/arch/x86_64/kernel/acpi/wakeup.S
@@ -81,7 +81,7 @@ wakeup_code:
81 testl $2, realmode_flags - wakeup_code 81 testl $2, realmode_flags - wakeup_code
82 jz 1f 82 jz 1f
83 mov video_mode - wakeup_code, %ax 83 mov video_mode - wakeup_code, %ax
84 call mode_seta 84 call mode_set
851: 851:
86 86
87 movw $0xb800, %ax 87 movw $0xb800, %ax
@@ -291,52 +291,31 @@ no_longmode:
291#define VIDEO_FIRST_V7 0x0900 291#define VIDEO_FIRST_V7 0x0900
292 292
293# Setting of user mode (AX=mode ID) => CF=success 293# Setting of user mode (AX=mode ID) => CF=success
294
295# For now, we only handle VESA modes (0x0200..0x03ff). To handle other
296# modes, we should probably compile in the video code from the boot
297# directory.
294.code16 298.code16
295mode_seta: 299mode_set:
296 movw %ax, %bx 300 movw %ax, %bx
297#if 0 301 subb $VIDEO_FIRST_VESA>>8, %bh
298 cmpb $0xff, %ah 302 cmpb $2, %bh
299 jz setalias 303 jb check_vesa
300
301 testb $VIDEO_RECALC>>8, %ah
302 jnz _setrec
303
304 cmpb $VIDEO_FIRST_RESOLUTION>>8, %ah
305 jnc setres
306
307 cmpb $VIDEO_FIRST_SPECIAL>>8, %ah
308 jz setspc
309
310 cmpb $VIDEO_FIRST_V7>>8, %ah
311 jz setv7
312#endif
313
314 cmpb $VIDEO_FIRST_VESA>>8, %ah
315 jnc check_vesaa
316#if 0
317 orb %ah, %ah
318 jz setmenu
319#endif
320
321 decb %ah
322# jz setbios Add bios modes later
323 304
324setbada: clc 305setbad:
306 clc
325 ret 307 ret
326 308
327check_vesaa: 309check_vesa:
328 subb $VIDEO_FIRST_VESA>>8, %bh
329 orw $0x4000, %bx # Use linear frame buffer 310 orw $0x4000, %bx # Use linear frame buffer
330 movw $0x4f02, %ax # VESA BIOS mode set call 311 movw $0x4f02, %ax # VESA BIOS mode set call
331 int $0x10 312 int $0x10
332 cmpw $0x004f, %ax # AL=4f if implemented 313 cmpw $0x004f, %ax # AL=4f if implemented
333 jnz _setbada # AH=0 if OK 314 jnz setbad # AH=0 if OK
334 315
335 stc 316 stc
336 ret 317 ret
337 318
338_setbada: jmp setbada
339
340wakeup_stack_begin: # Stack grows down 319wakeup_stack_begin: # Stack grows down
341 320
342.org 0xff0 321.org 0xff0