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Last change
on this file was
e16e8f2,
checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago
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bootstuff
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-
Property mode set to
100644
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File size:
747 bytes
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| 1 | #ifndef BOCHS_H |
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| 2 | #define BOCHS_H |
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| 3 | |
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| 4 | /** @file |
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| 5 | * |
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| 6 | * bochs breakpoints |
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| 7 | * |
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| 8 | * This file defines @c bochsbp, the magic breakpoint instruction that |
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| 9 | * is incredibly useful when debugging under bochs. This file should |
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| 10 | * never be included in production code. |
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| 11 | * |
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| 12 | * Use the pseudo-instruction @c bochsbp in assembly code, or the |
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| 13 | * bochsbp() function in C code. |
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| 14 | * |
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| 15 | */ |
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| 16 | |
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| 17 | #ifdef ASSEMBLY |
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| 18 | |
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| 19 | /* Breakpoint for when debugging under bochs */ |
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| 20 | #define bochsbp xchgw %bx, %bx |
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| 21 | #define BOCHSBP bochsbp |
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| 22 | |
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| 23 | #else /* ASSEMBLY */ |
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| 24 | |
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| 25 | /** Breakpoint for when debugging under bochs */ |
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| 26 | static inline void bochsbp ( void ) { |
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| 27 | __asm__ __volatile__ ( "xchgw %bx, %bx" ); |
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| 28 | } |
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| 29 | |
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| 30 | #endif /* ASSEMBLY */ |
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| 31 | |
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| 32 | #warning "bochs.h should not be included into production code" |
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| 33 | |
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| 34 | #endif /* BOCHS_H */ |
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