89 lines
1.7 KiB
C
89 lines
1.7 KiB
C
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/* debug.h */
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#define SHOW_A_LOT_NOT
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#define BDBTRAP(name) \
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ss ; \
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cmpb $0,_bdb_exists ; \
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je 1f ; \
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testb $SEL_RPL_MASK,4(%esp) ; \
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jne 1f ; \
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ss ; \
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bdb_/**/name/**/_ljmp: ; \
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ljmp $0,$0 ; \
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1:
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#if 1
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#define COUNT_EVENT(group, event) incl (group) + (event) * 4
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#else
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#define COUNT_EVENT(group, event)
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#endif
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#ifdef SHOW_A_LOT
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#define GREEN 0x27 /* 0x27 for true green, 0x07 for mono */
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#define CLI_STI_X 63
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#define CPL_X 46
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#define IMEN_X 64
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#define IPENDING_X 29
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#define RED 0x47 /* 0x47 for true red, 0x70 for mono */
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#define SHOW_BIT(bit) ; \
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movl %ecx,%eax ; \
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shr $bit,%eax ; \
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andl $1,%eax ; \
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movb bit_colors(%eax),%al ; \
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movb %al,bit * 2 + 1(%ebx)
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#define SHOW_BITS(var, screen_offset) ; \
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pushl %ebx ; \
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pushl %ecx ; \
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movl _Crtat,%ebx ; \
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addl $screen_offset * 2,%ebx ; \
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movl _/**/var,%ecx ; \
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call show_bits ; \
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popl %ecx ; \
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popl %ebx
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#define SHOW_CLI \
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COUNT_EVENT(_intrcnt_show, 0) ; \
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pushl %eax ; \
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movl _Crtat,%eax ; \
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movb $RED,CLI_STI_X * 2 + 1(%eax) ; \
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popl %eax
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#define SHOW_CPL \
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COUNT_EVENT(_intrcnt_show, 1) ; \
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SHOW_BITS(cpl, CPL_X) ; \
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#define SHOW_IMEN \
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COUNT_EVENT(_intrcnt_show, 2) ; \
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SHOW_BITS(imen, IMEN_X)
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#define SHOW_IPENDING \
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COUNT_EVENT(_intrcnt_show, 3) ; \
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SHOW_BITS(ipending, IPENDING_X)
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#define SHOW_STI \
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COUNT_EVENT(_intrcnt_show, 4) ; \
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pushl %eax ; \
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movl _Crtat,%eax ; \
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movb $GREEN,CLI_STI_X * 2 + 1(%eax) ; \
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popl %eax
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#else /* not SHOW_A_LOT */
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#define SHOW_CLI COUNT_EVENT(_intrcnt_show, 0)
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#define SHOW_CPL COUNT_EVENT(_intrcnt_show, 1)
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#define SHOW_IMEN COUNT_EVENT(_intrcnt_show, 2)
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#define SHOW_IPENDING COUNT_EVENT(_intrcnt_show, 3)
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#define SHOW_STI COUNT_EVENT(_intrcnt_show, 4)
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#endif /* SHOW_A_LOT */
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.data
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.globl _bdb_exists
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_bdb_exists:
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.long 0
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.text
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