62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
// The OS/K Team licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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// Register types
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enum
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{
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GPR = 0, // Non-reserved
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RES = 1 << 0, // Reserved for insternal use
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SYS = 1 << 1, // Reserved for supervisor mode
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};
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// FLG register
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enum
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{
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ZF = 1 << 0, // Zero flag
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SF = 1 << 1, // Sign flag
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CF = 1 << 4, // Carry flag
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OF = 1 << 5, // Overflow flag
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PF = 1 << 8, // Parity flag
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DF = 1 << 9, // Direction flag
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};
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// CR0 register
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enum
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{
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IF = 1 << 0, // Interrupts-enable flag
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UF = 1 << 1, // User-mode flag
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};
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struct reg_t
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{
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char *name;
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ulong flags;
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};
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enum
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{
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INV, FC1, CR0, CR1, CR2, CR3, CR4, TRP,
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RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP,
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RFX, RIP, R10, R11, R12, R13, R14, R15,
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AX0, AX1, AX2, AX3, AX4, AX5, AX6, AX7,
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NX0, NX1, NX2, NX3, NX4, NX5, NX6, NX7,
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NREGS
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};
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#define fc0 ctx->ninstrs
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#define fc2 ctx->ni_thisfr
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#define rpc ctx->cur_pc
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#define fc1 R(FC1)
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#define rfx R(RFX)
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#define rax R(RAX)
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#define rdx R(RDX)
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#define ax0 R(AX0)
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#define ax1 R(AX1)
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