diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 14:38:31 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 14:38:31 -0400 |
commit | 019abbc87025a030fd25008612afd4eff8a375f7 (patch) | |
tree | 6d745dedcf90ceff8f5b7b996a17f666b7c574e3 /arch/x86/boot/pm.c | |
parent | 2d25ee36c84d5b2d6be8bfaf80256ecad69a06ca (diff) | |
parent | 5a3c8fe7353f78b73b9636353c6f7b881f19ebea (diff) |
Merge branch 'x86-stage-3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-stage-3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (190 commits)
Revert "cpuacct: reduce one NULL check in fast-path"
Revert "x86: don't compile vsmp_64 for 32bit"
x86: Correct behaviour of irq affinity
x86: early_ioremap_init(), use __fix_to_virt(), because we are sure it's safe
x86: use default_cpu_mask_to_apicid for 64bit
x86: fix set_extra_move_desc calling
x86, PAT, PCI: Change vma prot in pci_mmap to reflect inherited prot
x86/dmi: fix dmi_alloc() section mismatches
x86: e820 fix various signedness issues in setup.c and e820.c
x86: apic/io_apic.c define msi_ir_chip and ir_ioapic_chip all the time
x86: irq.c keep CONFIG_X86_LOCAL_APIC interrupts together
x86: irq.c use same path for show_interrupts
x86: cpu/cpu.h cleanup
x86: Fix a couple of sparse warnings in arch/x86/kernel/apic/io_apic.c
Revert "x86: create a non-zero sized bm_pte only when needed"
x86: pci-nommu.c cleanup
x86: io_delay.c cleanup
x86: rtc.c cleanup
x86: i8253 cleanup
x86: kdebugfs.c cleanup
...
Diffstat (limited to 'arch/x86/boot/pm.c')
-rw-r--r-- | arch/x86/boot/pm.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/x86/boot/pm.c b/arch/x86/boot/pm.c index 85a1cd8a8ff8..8062f8915250 100644 --- a/arch/x86/boot/pm.c +++ b/arch/x86/boot/pm.c | |||
@@ -33,47 +33,6 @@ static void realmode_switch_hook(void) | |||
33 | } | 33 | } |
34 | 34 | ||
35 | /* | 35 | /* |
36 | * A zImage kernel is loaded at 0x10000 but wants to run at 0x1000. | ||
37 | * A bzImage kernel is loaded and runs at 0x100000. | ||
38 | */ | ||
39 | static void move_kernel_around(void) | ||
40 | { | ||
41 | /* Note: rely on the compile-time option here rather than | ||
42 | the LOADED_HIGH flag. The Qemu kernel loader unconditionally | ||
43 | sets the loadflags to zero. */ | ||
44 | #ifndef __BIG_KERNEL__ | ||
45 | u16 dst_seg, src_seg; | ||
46 | u32 syssize; | ||
47 | |||
48 | dst_seg = 0x1000 >> 4; | ||
49 | src_seg = 0x10000 >> 4; | ||
50 | syssize = boot_params.hdr.syssize; /* Size in 16-byte paragraphs */ | ||
51 | |||
52 | while (syssize) { | ||
53 | int paras = (syssize >= 0x1000) ? 0x1000 : syssize; | ||
54 | int dwords = paras << 2; | ||
55 | |||
56 | asm volatile("pushw %%es ; " | ||
57 | "pushw %%ds ; " | ||
58 | "movw %1,%%es ; " | ||
59 | "movw %2,%%ds ; " | ||
60 | "xorw %%di,%%di ; " | ||
61 | "xorw %%si,%%si ; " | ||
62 | "rep;movsl ; " | ||
63 | "popw %%ds ; " | ||
64 | "popw %%es" | ||
65 | : "+c" (dwords) | ||
66 | : "r" (dst_seg), "r" (src_seg) | ||
67 | : "esi", "edi"); | ||
68 | |||
69 | syssize -= paras; | ||
70 | dst_seg += paras; | ||
71 | src_seg += paras; | ||
72 | } | ||
73 | #endif | ||
74 | } | ||
75 | |||
76 | /* | ||
77 | * Disable all interrupts at the legacy PIC. | 36 | * Disable all interrupts at the legacy PIC. |
78 | */ | 37 | */ |
79 | static void mask_all_interrupts(void) | 38 | static void mask_all_interrupts(void) |
@@ -147,9 +106,6 @@ void go_to_protected_mode(void) | |||
147 | /* Hook before leaving real mode, also disables interrupts */ | 106 | /* Hook before leaving real mode, also disables interrupts */ |
148 | realmode_switch_hook(); | 107 | realmode_switch_hook(); |
149 | 108 | ||
150 | /* Move the kernel/setup to their final resting places */ | ||
151 | move_kernel_around(); | ||
152 | |||
153 | /* Enable the A20 gate */ | 109 | /* Enable the A20 gate */ |
154 | if (enable_a20()) { | 110 | if (enable_a20()) { |
155 | puts("A20 gate not responding, unable to boot...\n"); | 111 | puts("A20 gate not responding, unable to boot...\n"); |