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gbeauche |
1.1 |
// gb-- stupid hack to insert macros in the generated assembly file |
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static void fpu_emit_macro_definitions() |
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{ |
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# define DEFINE_MACRO(name, value) \ |
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__asm__ __volatile__ (#name ## " = " #value) |
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DEFINE_MACRO(BSUN, 0x00008000); |
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DEFINE_MACRO(SNAN, 0x00004000); |
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DEFINE_MACRO(OPERR, 0x00002000); |
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DEFINE_MACRO(OVFL, 0x00001000); |
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DEFINE_MACRO(UNFL, 0x00000800); |
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DEFINE_MACRO(DZ, 0x00000400); |
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DEFINE_MACRO(INEX2, 0x00000200); |
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DEFINE_MACRO(INEX1, 0x00000100); |
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DEFINE_MACRO(ACCR_IOP, 0x80); |
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DEFINE_MACRO(ACCR_OVFL, 0x40); |
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DEFINE_MACRO(ACCR_UNFL, 0x20); |
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DEFINE_MACRO(ACCR_DZ, 0x10); |
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DEFINE_MACRO(ACCR_INEX, 0x08); |
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DEFINE_MACRO(ROUND_CONTROL_MASK, 0x30); |
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DEFINE_MACRO(ROUND_TO_NEAREST, 0); |
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DEFINE_MACRO(ROUND_TO_ZERO, 0x10); |
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DEFINE_MACRO(ROUND_TO_NEGATIVE_INFINITY, 0x20); |
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DEFINE_MACRO(ROUND_TO_POSITIVE_INFINITY, 0x30); |
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DEFINE_MACRO(PRECISION_CONTROL_MASK, 0xC0); |
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DEFINE_MACRO(PRECISION_CONTROL_EXTENDED, 0); |
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DEFINE_MACRO(PRECISION_CONTROL_DOUBLE, 0x80); |
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DEFINE_MACRO(PRECISION_CONTROL_SINGLE, 0x40); |
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DEFINE_MACRO(PRECISION_CONTROL_UNDEFINED, 0xC0); |
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DEFINE_MACRO(CW_RESET, 0x0040); |
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DEFINE_MACRO(CW_FINIT, 0x037F); |
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DEFINE_MACRO(SW_RESET, 0x0000); |
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DEFINE_MACRO(SW_FINIT, 0x0000); |
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DEFINE_MACRO(TW_RESET, 0x5555); |
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DEFINE_MACRO(TW_FINIT, 0x0FFF); |
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DEFINE_MACRO(CW_X, 0x1000); |
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DEFINE_MACRO(CW_RC_ZERO, 0x0C00); |
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DEFINE_MACRO(CW_RC_UP, 0x0800); |
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DEFINE_MACRO(CW_RC_DOWN, 0x0400); |
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DEFINE_MACRO(CW_RC_NEAR, 0x0000); |
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DEFINE_MACRO(CW_PC_EXTENDED, 0x0300); |
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DEFINE_MACRO(CW_PC_DOUBLE, 0x0200); |
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DEFINE_MACRO(CW_PC_RESERVED, 0x0100); |
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DEFINE_MACRO(CW_PC_SINGLE, 0x0000); |
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DEFINE_MACRO(CW_PM, 0x0020); |
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DEFINE_MACRO(CW_UM, 0x0010); |
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DEFINE_MACRO(CW_OM, 0x0008); |
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DEFINE_MACRO(CW_ZM, 0x0004); |
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DEFINE_MACRO(CW_DM, 0x0002); |
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DEFINE_MACRO(CW_IM, 0x0001); |
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DEFINE_MACRO(SW_B, 0x8000); |
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DEFINE_MACRO(SW_C3, 0x4000); |
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DEFINE_MACRO(SW_TOP_7, 0x3800); |
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DEFINE_MACRO(SW_TOP_6, 0x3000); |
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DEFINE_MACRO(SW_TOP_5, 0x2800); |
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DEFINE_MACRO(SW_TOP_4, 0x2000); |
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DEFINE_MACRO(SW_TOP_3, 0x1800); |
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DEFINE_MACRO(SW_TOP_2, 0x1000); |
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DEFINE_MACRO(SW_TOP_1, 0x0800); |
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DEFINE_MACRO(SW_TOP_0, 0x0000); |
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DEFINE_MACRO(SW_C2, 0x0400); |
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DEFINE_MACRO(SW_C1, 0x0200); |
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DEFINE_MACRO(SW_C0, 0x0100); |
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DEFINE_MACRO(SW_ES, 0x0080); |
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DEFINE_MACRO(SW_SF, 0x0040); |
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DEFINE_MACRO(SW_PE, 0x0020); |
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DEFINE_MACRO(SW_UE, 0x0010); |
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DEFINE_MACRO(SW_OE, 0x0008); |
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DEFINE_MACRO(SW_ZE, 0x0004); |
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DEFINE_MACRO(SW_DE, 0x0002); |
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DEFINE_MACRO(SW_IE, 0x0001); |
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DEFINE_MACRO(X86_ROUND_CONTROL_MASK, 0x0C00); |
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DEFINE_MACRO(X86_PRECISION_CONTROL_MASK, 0x0300); |
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# undef DEFINE_MACRO |
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} |
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/* |
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#!/bin/sh |
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awk=awk |
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ifile="fpu_x86.h" |
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ofile="fpu_x86_asm.h" |
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if [ ! -r "$ifile" ]; then |
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echo "Error: could not open input file ($ifile)" |
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exit 1 |
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fi |
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touch $ofile |
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if [ $? -ne 0 ]; then |
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echo "Error: could not open output file ($ofile)" |
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exit 1 |
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fi |
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# header |
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cat > $ofile << EOF |
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// gb-- stupid hack to insert macros in the generated assembly file |
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static void fpu_emit_macro_definitions() |
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{ |
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# define DEFINE_MACRO(name, value) \\ |
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__asm__ __volatile__ (#name ## " = " #value) |
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EOF |
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# processing with awk |
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$awk '/#define/ { print " DEFINE_MACRO(" $2 ", " $3 ");"; }' $ifile >> $ofile |
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# footer |
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cat >> $ofile << EOF |
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# undef DEFINE_MACRO |
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} |
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EOF |
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# insert this script |
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echo "/""*" >> $ofile |
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cat $0 >> $ofile |
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echo "*""/" >> $ofile |
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exit 0 |
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*/ |
