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