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lxdream.org :: lxdream/src/sh4/x86op.h :: diff
lxdream 0.9.1
released Jun 29
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filename src/sh4/x86op.h
changeset 559:06714bc64271
prev547:d6e00ffc4adc
next561:533f6b478071
author nkeynes
date Tue Jan 01 04:58:57 2008 +0000 (12 years ago)
branchlxdream-mmu
permissions -rw-r--r--
last change Commit first pass at full TLB support - still needs a lot more work
file annotate diff log raw
1.1 --- a/src/sh4/x86op.h Thu Dec 06 10:37:55 2007 +0000
1.2 +++ b/src/sh4/x86op.h Tue Jan 01 04:58:57 2008 +0000
1.3 @@ -233,23 +233,27 @@
1.4 #define JNS_rel8(rel,label) OP(0x79); OP(rel); MARK_JMP(rel,label)
1.5 #define JS_rel8(rel,label) OP(0x78); OP(rel); MARK_JMP(rel,label)
1.6
1.7 +/** JMP relative 8 or 32 depending on size of rel. rel offset
1.8 + * from the start of the instruction (not end)
1.9 + */
1.10 +#define JMP_rel(rel) if((rel)<-126||(rel)>129) { OP(0xE9); OP32((rel)-5); } else { OP(0xEB); OP((rel)-2); }
1.11
1.12 -/* 32-bit long forms w/ backpatching to an exit routine */
1.13 -#define JMP_exit(rel) OP(0xE9); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.14 -#define JE_exit(rel) OP(0x0F); OP(0x84); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.15 -#define JA_exit(rel) OP(0x0F); OP(0x87); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.16 -#define JAE_exit(rel) OP(0x0F); OP(0x83); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.17 -#define JG_exit(rel) OP(0x0F); OP(0x8F); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.18 -#define JGE_exit(rel) OP(0x0F); OP(0x8D); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.19 -#define JC_exit(rel) OP(0x0F); OP(0x82); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.20 -#define JO_exit(rel) OP(0x0F); OP(0x80); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.21 -#define JNE_exit(rel) OP(0x0F); OP(0x85); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.22 -#define JNA_exit(rel) OP(0x0F); OP(0x86); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.23 -#define JNAE_exit(rel) OP(0x0F);OP(0x82); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.24 -#define JNG_exit(rel) OP(0x0F); OP(0x8E); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.25 -#define JNGE_exit(rel) OP(0x0F);OP(0x8C); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.26 -#define JNC_exit(rel) OP(0x0F); OP(0x83); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.27 -#define JNO_exit(rel) OP(0x0F); OP(0x81); sh4_x86_add_backpatch(xlat_output); OP32(rel)
1.28 +/* 32-bit long forms w/ backpatching to an exception routine */
1.29 +#define JMP_exc(exc) OP(0xE9); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.30 +#define JE_exc(exc) OP(0x0F); OP(0x84); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.31 +#define JA_exc(exc) OP(0x0F); OP(0x87); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.32 +#define JAE_exc(exc) OP(0x0F); OP(0x83); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.33 +#define JG_exc(exc) OP(0x0F); OP(0x8F); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.34 +#define JGE_exc(exc) OP(0x0F); OP(0x8D); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.35 +#define JC_exc(exc) OP(0x0F); OP(0x82); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.36 +#define JO_exc(exc) OP(0x0F); OP(0x80); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.37 +#define JNE_exc(exc) OP(0x0F); OP(0x85); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.38 +#define JNA_exc(exc) OP(0x0F); OP(0x86); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.39 +#define JNAE_exc(exc) OP(0x0F);OP(0x82); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.40 +#define JNG_exc(exc) OP(0x0F); OP(0x8E); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.41 +#define JNGE_exc(exc) OP(0x0F);OP(0x8C); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.42 +#define JNC_exc(exc) OP(0x0F); OP(0x83); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.43 +#define JNO_exc(exc) OP(0x0F); OP(0x81); sh4_x86_add_backpatch(xlat_output, pc, exc); OP32(0)
1.44
1.45
1.46 /* Conditional moves ebp-rel */
.