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Annotation of qemu/roms/ipxe/src/arch/i386/include/bochs.h, revision 1.1.1.1

1.1       root        1: #ifndef BOCHS_H
                      2: #define BOCHS_H
                      3: 
                      4: /** @file
                      5:  *
                      6:  * bochs breakpoints
                      7:  *
                      8:  * This file defines @c bochsbp, the magic breakpoint instruction that
                      9:  * is incredibly useful when debugging under bochs.  This file should
                     10:  * never be included in production code.
                     11:  *
                     12:  * Use the pseudo-instruction @c bochsbp in assembly code, or the
                     13:  * bochsbp() function in C code.
                     14:  *
                     15:  */
                     16: 
                     17: #ifdef ASSEMBLY
                     18: 
                     19: /* Breakpoint for when debugging under bochs */
                     20: #define bochsbp xchgw %bx, %bx
                     21: #define BOCHSBP bochsbp
                     22: 
                     23: #else /* ASSEMBLY */
                     24: 
                     25: /** Breakpoint for when debugging under bochs */
                     26: static inline void bochsbp ( void ) {
                     27:        __asm__ __volatile__ ( "xchgw %bx, %bx" );
                     28: }
                     29: 
                     30: #endif /* ASSEMBLY */
                     31: 
                     32: #warning "bochs.h should not be included into production code"
                     33: 
                     34: #endif /* BOCHS_H */

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