Revision 379ca80d
b/tests/Makefile | ||
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< |
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# i386 emulation test (dump various opcodes) */ |
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test-i386: test-i386.c test-i386.h |
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test-i386: test-i386.c test-i386.h test-i386-shift.h
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$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< |
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test: test-i386 |
b/tests/test-i386-shift.h | ||
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#define exec_op glue(exec_, OP) |
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#define exec_opl glue(glue(exec_, OP), l) |
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#define exec_opw glue(glue(exec_, OP), w) |
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#define exec_opb glue(glue(exec_, OP), b) |
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#define EXECSHIFT(size, res, s1, flags) \ |
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asm ("push %4\n\t"\ |
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"popf\n\t"\ |
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stringify(OP) size " %%cl, %" size "0\n\t" \ |
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"pushf\n\t"\ |
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"popl %1\n\t"\ |
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: "=q" (res), "=g" (flags)\ |
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: "c" (s1), "0" (res), "1" (flags)); |
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void exec_opl(int s0, int s1, int iflags) |
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{ |
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int res, flags; |
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res = s0; |
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flags = iflags; |
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EXECSHIFT("", res, s1, flags); |
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/* overflow is undefined if count != 1 */ |
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if (s1 != 1) |
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flags &= ~CC_O; |
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printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n", |
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stringify(OP) "l", s0, s1, res, iflags, flags & CC_MASK); |
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} |
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void exec_opw(int s0, int s1, int iflags) |
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{ |
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int res, flags; |
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res = s0; |
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flags = iflags; |
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EXECSHIFT("w", res, s1, flags); |
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/* overflow is undefined if count != 1 */ |
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if (s1 != 1) |
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flags &= ~CC_O; |
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printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n", |
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stringify(OP) "w", s0, s1, res, iflags, flags & CC_MASK); |
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} |
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void exec_opb(int s0, int s1, int iflags) |
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{ |
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int res, flags; |
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res = s0; |
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flags = iflags; |
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EXECSHIFT("b", res, s1, flags); |
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/* overflow is undefined if count != 1 */ |
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if (s1 != 1) |
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flags &= ~CC_O; |
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printf("%-10s A=%08x B=%08x R=%08x CCIN=%04x CC=%04x\n", |
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stringify(OP) "b", s0, s1, res, iflags, flags & CC_MASK); |
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} |
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void exec_op(int s0, int s1) |
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{ |
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exec_opl(s0, s1, 0); |
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exec_opw(s0, s1, 0); |
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exec_opb(s0, s1, 0); |
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#ifdef OP_CC |
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exec_opl(s0, s1, CC_C); |
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exec_opw(s0, s1, CC_C); |
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exec_opb(s0, s1, CC_C); |
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#endif |
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} |
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void glue(test_, OP)(void) |
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{ |
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int i; |
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for(i = 0; i < 32; i++) |
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exec_op(0x12345678, i); |
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for(i = 0; i < 32; i++) |
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exec_op(0x82345678, i); |
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} |
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void *glue(_test_, OP) __init_call = glue(test_, OP); |
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#undef OP |
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#undef OP_CC |
b/tests/test-i386.c | ||
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#define OP1 |
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#include "test-i386.h" |
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#define OP shl |
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#include "test-i386-shift.h" |
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#define OP shr |
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#include "test-i386-shift.h" |
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#define OP sar |
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#include "test-i386-shift.h" |
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#define OP rol |
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#include "test-i386-shift.h" |
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#define OP ror |
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#include "test-i386-shift.h" |
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#define OP rcr |
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#define OP_CC |
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#include "test-i386-shift.h" |
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#define OP rcl |
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#define OP_CC |
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#include "test-i386-shift.h" |
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/* lea test (modrm support) */ |
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#define TEST_LEA(STR)\ |
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{\ |
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