Rev 2071 | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2071 | Rev 2703 | ||
|---|---|---|---|
| Line 1... | Line 1... | ||
| 1 | # |
1 | # |
| 2 | # Copyright (c) 2001-2004 Jakub Jermar |
2 | # Copyright (c) 2008 Jakub Jermar |
| 3 | # Copyright (c) 2005-2006 Martin Decky |
3 | # Copyright (c) 2005-2006 Martin Decky |
| 4 | # All rights reserved. |
4 | # All rights reserved. |
| 5 | # |
5 | # |
| 6 | # Redistribution and use in source and binary forms, with or without |
6 | # Redistribution and use in source and binary forms, with or without |
| 7 | # modification, are permitted provided that the following conditions |
7 | # modification, are permitted provided that the following conditions |
| Line 43... | Line 43... | ||
| 43 | #ifdef CONFIG_SMP |
43 | #ifdef CONFIG_SMP |
| 44 | 44 | ||
| 45 | .global unmapped_ap_boot |
45 | .global unmapped_ap_boot |
| 46 | 46 | ||
| 47 | # This piece of code is real-mode and is meant to be alligned at 4K boundary. |
47 | # This piece of code is real-mode and is meant to be alligned at 4K boundary. |
| 48 | # The requirement for such an alignment comes from MP Specification's STARTUP IPI |
48 | # The requirement for such an alignment comes from MP Specification's STARTUP |
| 49 | # requirements. |
49 | # IPI requirements. |
| 50 | 50 | ||
| 51 | .align 4096 |
51 | .align 4096 |
| 52 | unmapped_ap_boot: |
52 | unmapped_ap_boot: |
| 53 | .code16 |
53 | .code16 |
| 54 | cli |
54 | cli |
| Line 105... | Line 105... | ||
| 105 | .section K_DATA_START, "aw", @progbits |
105 | .section K_DATA_START, "aw", @progbits |
| 106 | 106 | ||
| 107 | #ifdef CONFIG_SMP |
107 | #ifdef CONFIG_SMP |
| 108 | 108 | ||
| 109 | .global unmapped_ap_gdtr |
109 | .global unmapped_ap_gdtr |
| 110 | - | ||
| 111 | unmapped_ap_gdtr: |
110 | unmapped_ap_gdtr: |
| 112 | .word 0 |
111 | .word 0 |
| 113 | .long 0 |
112 | .long 0 |
| 114 | 113 | ||
| 115 | #endif /* CONFIG_SMP */ |
114 | #endif /* CONFIG_SMP */ |