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authorPCSX* teams2010-11-16 14:15:22 +0200
committerGrazvydas Ignotas2010-11-16 14:15:22 +0200
commitef79bbde537d6b9c745a7d86cb9df1d04c35590d (patch)
treeef8d2520dbb9e1e345b41b12c9959f300ca8fd10 /libpcsxcore/ppc/reguse.h
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pcsxr-1.9.92
Diffstat (limited to 'libpcsxcore/ppc/reguse.h')
-rw-r--r--libpcsxcore/ppc/reguse.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/libpcsxcore/ppc/reguse.h b/libpcsxcore/ppc/reguse.h
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+++ b/libpcsxcore/ppc/reguse.h
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+#ifndef __REGUSE_H__
+#define __REGUSE_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// include basic types
+#include "../psxcommon.h"
+
+#define REGUSE_NONE 0x0000
+#define REGUSE_UNKNOWN 0x0001
+
+//sub functions
+#define REGUSE_SPECIAL 0x0002
+#define REGUSE_REGIMM 0x0004
+#define REGUSE_COP0 0x0006
+#define REGUSE_COP2 0x0008
+#define REGUSE_BASIC 0x000a
+#define REGUSE_SUBMASK 0x000e /* sub function mask */
+
+#define REGUSE_ACC 0x0010 /* accumulator */
+#define REGUSE_LOGIC 0x0020 /* logic operations */
+#define REGUSE_MULT 0x0030 /* multiplier */
+#define REGUSE_JUMP 0x0040 /* jump to dest */
+#define REGUSE_JUMPR 0x0050 /* jump to reg */
+#define REGUSE_BRANCH 0x0060 /* branch */
+#define REGUSE_MEM_R 0x0070 /* read from memory */
+#define REGUSE_MEM_W 0x0080 /* write to memory */
+#define REGUSE_MEM 0x0090 /* read and write to memory */
+#define REGUSE_SYS 0x00a0 /* syscall */
+#define REGUSE_GTE 0x00b0 /* gte operation */
+#define REGUSE_SUB 0x00f0 /* sub usage */
+#define REGUSE_TYPEM 0x00f0 /* type mask */
+
+
+#define REGUSE_RS_R 0x0100
+#define REGUSE_RS_W 0x0200
+#define REGUSE_RS (REGUSE_RS_R | REGUSE_RS_W)
+#define REGUSE_RT_R 0x0400
+#define REGUSE_RT_W 0x0800
+#define REGUSE_RT (REGUSE_RT_R | REGUSE_RT_W)
+#define REGUSE_RD_R 0x1000
+#define REGUSE_RD_W 0x2000
+#define REGUSE_RD (REGUSE_RD_R | REGUSE_RD_W)
+
+#define REGUSE_R31_W 0x4000 /* writes to link register (r31) */
+#define REGUSE_PC 0x8000 /* reads pc */
+
+#define REGUSE_LO_R 0x10000
+#define REGUSE_LO_W 0x20000
+#define REGUSE_LO (REGUSE_LO_R | REGUSE_LO_W)
+#define REGUSE_HI_R 0x40000
+#define REGUSE_HI_W 0x80000
+#define REGUSE_HI (REGUSE_HI_R | REGUSE_HI_W)
+
+#define REGUSE_COP0_RD_R 0x100000
+#define REGUSE_COP0_RD_W 0x200000
+#define REGUSE_COP0_RD (REGUSE_COP0_RD_R | REGUSE_COP0_RD_W)
+#define REGUSE_COP0_STATUS 0x400000
+#define REGUSE_EXCEPTION 0x800000
+
+#define REGUSE_COP2_RT_R 0x1000000
+#define REGUSE_COP2_RT_W 0x2000000
+#define REGUSE_COP2_RT (REGUSE_COP2_RT_R | REGUSE_COP2_RT_W)
+#define REGUSE_COP2_RD_R 0x4000000
+#define REGUSE_COP2_RD_W 0x8000000
+#define REGUSE_COP2_RD (REGUSE_COP2_RD_R | REGUSE_COP2_RD_W)
+
+
+// specific register use
+#define REGUSE_READ 1
+#define REGUSE_WRITE 2
+#define REGUSE_RW 3
+
+int useOfPsxReg(u32 code, int use, int psxreg) __attribute__ ((__pure__));;
+int nextPsxRegUse(u32 pc, int psxreg) __attribute__ ((__pure__));;
+int isPsxRegUsed(u32 pc, int psxreg) __attribute__ ((__pure__));;
+
+#ifdef __cplusplus
+}
+#endif
+#endif