---

yaml --- r: 309145 b: refs/heads/master c: c9b77cc h: refs/heads/master i: 309143: d769503 v: v3
git-mirror · May 8, 2012 · 91f99cf · 91f99cf
1 parent 3906344
commit 91f99cf
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Showing 36 changed files with 112 additions and 566 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 48927bbb97c7d4cf343c05827ab9ac30c60678cb
+refs/heads/master: c9b77ccb52a5c77233b0e557b7d4417b00ef4012
diff --git a/trunk/arch/x86/include/asm/acpi.h b/trunk/arch/x86/include/asm/acpi.h
@@ -29,7 +29,6 @@
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/mpspec.h>
-#include <asm/trampoline.h>
 
 #define COMPILER_DEPENDENT_INT64   long long
 #define COMPILER_DEPENDENT_UINT64  unsigned long long
@@ -118,7 +117,6 @@ static inline void acpi_disable_pci(void)
 extern int acpi_suspend_lowlevel(void);
 
 extern const unsigned char acpi_wakeup_code[];
-#define acpi_wakeup_address (__pa(TRAMPOLINE_SYM(acpi_wakeup_code)))
 
 /* early initialization routine */
 extern void acpi_reserve_wakeup_memory(void);

diff --git a/trunk/arch/x86/include/asm/realmode.h b/trunk/arch/x86/include/asm/realmode.h
@@ -24,6 +24,10 @@ struct real_mode_header {
 	u32	level3_ident_pgt;
 	u32	level3_kernel_pgt;
 #endif
+#ifdef CONFIG_ACPI_SLEEP
+	u32	wakeup_start;
+	u32	wakeup_header;
+#endif
 } __attribute__((__packed__));
 
 extern struct real_mode_header real_mode_header;

diff --git a/trunk/arch/x86/include/asm/trampoline.h b/trunk/arch/x86/include/asm/trampoline.h
diff --git a/trunk/arch/x86/kernel/Makefile b/trunk/arch/x86/kernel/Makefile
@@ -35,7 +35,6 @@ obj-y			+= tsc.o io_delay.o rtc.o
 obj-y			+= pci-iommu_table.o
 obj-y			+= resource.o
 
-obj-y				+= trampoline.o trampoline_$(BITS).o
 obj-y				+= realmode.o
 obj-y				+= process.o
 obj-y				+= i387.o xsave.o

diff --git a/trunk/arch/x86/kernel/acpi/Makefile b/trunk/arch/x86/kernel/acpi/Makefile
@@ -1,14 +1,7 @@
-subdir-				:= realmode
-
 obj-$(CONFIG_ACPI)		+= boot.o
-obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_rm.o wakeup_$(BITS).o
+obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup_$(BITS).o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y				+= cstate.o
 endif
 
-$(obj)/wakeup_rm.o:    $(obj)/realmode/wakeup.bin
-
-$(obj)/realmode/wakeup.bin: FORCE
-	$(Q)$(MAKE) $(build)=$(obj)/realmode
-
diff --git a/trunk/arch/x86/kernel/acpi/realmode/Makefile b/trunk/arch/x86/kernel/acpi/realmode/Makefile
diff --git a/trunk/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/trunk/arch/x86/kernel/acpi/realmode/wakeup.lds.S
diff --git a/trunk/arch/x86/kernel/acpi/sleep.c b/trunk/arch/x86/kernel/acpi/sleep.c
@@ -14,8 +14,9 @@
 #include <asm/desc.h>
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
+#include <asm/realmode.h>
 
-#include "realmode/wakeup.h"
+#include "../../realmode/rm/wakeup/wakeup.h"
 #include "sleep.h"
 
 unsigned long acpi_realmode_flags;
@@ -36,41 +37,16 @@ asmlinkage void acpi_enter_s3(void)
  */
 int acpi_suspend_lowlevel(void)
 {
-	struct wakeup_header *header;
-	/* address in low memory of the wakeup routine. */
-	char *acpi_realmode;
+	struct wakeup_header *header =
+		(struct wakeup_header *) __va(real_mode_header.wakeup_header);
 
-	acpi_realmode = TRAMPOLINE_SYM(acpi_wakeup_code);
-
-	header = (struct wakeup_header *)(acpi_realmode + WAKEUP_HEADER_OFFSET);
 	if (header->signature != WAKEUP_HEADER_SIGNATURE) {
 		printk(KERN_ERR "wakeup header does not match\n");
 		return -EINVAL;
 	}
 
 	header->video_mode = saved_video_mode;
 
-	header->wakeup_jmp_seg = acpi_wakeup_address >> 4;
-
-	/*
-	 * Set up the wakeup GDT.  We set these up as Big Real Mode,
-	 * that is, with limits set to 4 GB.  At least the Lenovo
-	 * Thinkpad X61 is known to need this for the video BIOS
-	 * initialization quirk to work; this is likely to also
-	 * be the case for other laptops or integrated video devices.
-	 */
-
-	/* GDT[0]: GDT self-pointer */
-	header->wakeup_gdt[0] =
-		(u64)(sizeof(header->wakeup_gdt) - 1) +
-		((u64)__pa(&header->wakeup_gdt) << 16);
-	/* GDT[1]: big real mode-like code segment */
-	header->wakeup_gdt[1] =
-		GDT_ENTRY(0x809b, acpi_wakeup_address, 0xfffff);
-	/* GDT[2]: big real mode-like data segment */
-	header->wakeup_gdt[2] =
-		GDT_ENTRY(0x8093, acpi_wakeup_address, 0xfffff);
-
 #ifndef CONFIG_64BIT
 	store_gdt((struct desc_ptr *)&header->pmode_gdt);
 
@@ -95,7 +71,6 @@ int acpi_suspend_lowlevel(void)
 	header->pmode_cr3 = (u32)__pa(&initial_page_table);
 	saved_magic = 0x12345678;
 #else /* CONFIG_64BIT */
-	header->trampoline_segment = trampoline_address() >> 4;
 #ifdef CONFIG_SMP
 	stack_start = (unsigned long)temp_stack + sizeof(temp_stack);
 	early_gdt_descr.address =

diff --git a/trunk/arch/x86/kernel/acpi/sleep.h b/trunk/arch/x86/kernel/acpi/sleep.h
@@ -2,8 +2,8 @@
  *	Variables and functions used by the code in sleep.c
  */
 
-#include <asm/trampoline.h>
 #include <linux/linkage.h>
+#include <asm/realmode.h>
 
 extern unsigned long saved_video_mode;
 extern long saved_magic;

diff --git a/trunk/arch/x86/kernel/acpi/wakeup_rm.S b/trunk/arch/x86/kernel/acpi/wakeup_rm.S
diff --git a/trunk/arch/x86/kernel/head32.c b/trunk/arch/x86/kernel/head32.c
@@ -14,7 +14,6 @@
 #include <asm/sections.h>
 #include <asm/e820.h>
 #include <asm/page.h>
-#include <asm/trampoline.h>
 #include <asm/apic.h>
 #include <asm/io_apic.h>
 #include <asm/bios_ebda.h>

diff --git a/trunk/arch/x86/kernel/head64.c b/trunk/arch/x86/kernel/head64.c
@@ -24,7 +24,6 @@
 #include <asm/sections.h>
 #include <asm/kdebug.h>
 #include <asm/e820.h>
-#include <asm/trampoline.h>
 #include <asm/bios_ebda.h>
 
 static void __init zap_identity_mappings(void)

diff --git a/trunk/arch/x86/kernel/mpparse.c b/trunk/arch/x86/kernel/mpparse.c
@@ -27,7 +27,6 @@
 #include <asm/proto.h>
 #include <asm/bios_ebda.h>
 #include <asm/e820.h>
-#include <asm/trampoline.h>
 #include <asm/setup.h>
 #include <asm/smp.h>
 

diff --git a/trunk/arch/x86/kernel/setup.c b/trunk/arch/x86/kernel/setup.c
@@ -73,7 +73,6 @@
 
 #include <asm/mtrr.h>
 #include <asm/apic.h>
-#include <asm/trampoline.h>
 #include <asm/realmode.h>
 #include <asm/e820.h>
 #include <asm/mpspec.h>
@@ -918,7 +917,6 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_DEBUG "initial memory mapped : 0 - %08lx\n",
 			max_pfn_mapped<<PAGE_SHIFT);
 
-	setup_trampolines();
 	setup_real_mode();
 
 	init_gbpages();

diff --git a/trunk/arch/x86/kernel/tboot.c b/trunk/arch/x86/kernel/tboot.c
@@ -32,7 +32,7 @@
 #include <linux/mm.h>
 #include <linux/tboot.h>
 
-#include <asm/trampoline.h>
+#include <asm/realmode.h>
 #include <asm/processor.h>
 #include <asm/bootparam.h>
 #include <asm/pgtable.h>
@@ -201,7 +201,8 @@ static int tboot_setup_sleep(void)
 		add_mac_region(e820.map[i].addr, e820.map[i].size);
 	}
 
-	tboot->acpi_sinfo.kernel_s3_resume_vector = acpi_wakeup_address;
+	tboot->acpi_sinfo.kernel_s3_resume_vector =
+		real_mode_header.wakeup_start;
 
 	return 0;
 }