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kvisc/vm/pc/regs.h

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// The OS/K Team licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
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// Register types
enum
{
GPR = 1 << 0, // General
CTL = 1 << 1, // Control
SEG = 1 << 2, // Segment
RES = 1 << 8, // Reserved for insternal use
SYS = 1 << 9, // Reserved for supervisor mode
};
// FLG register
enum
{
CF = 1 << 0, // Carry flag
OF = 1 << 1, // Overflow flag
ZF = 1 << 2, // Zero flag
SF = 1 << 3, // Sign flag
PF = 1 << 4, // Parity flag
DF = 1 << 5, // Direction flag
};
// CR0 register
enum
{
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IF = 1 << 0, // Interrupts-enable flag
UF = 1 << 1, // User-mode flag
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};
struct reg_t
{
char *name;
ulong flags;
};
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enum
{
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INV, FLG, RIP, RPC, PX0, PX1, FC1, FC2,
SA0, SA1, SA2, SA3, SA4, SA5, SA6, SA7,
DR0, DR1, DR2, DR3, DR4, DR5, DR6, DR7,
CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7,
RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP,
RX8, RX9, R10, R11, R12, R13, R14, R15,
R16, R17, R18, R19, R20, R21, R22, R23,
R24, R25, R26, R27, R28, R29, R30, R31,
AX0, AX1, AX2, AX3, AX4, AX5, AX6, AX7,
AX8, AX9, A10, A11, A12, A13, A14, A15,
A16, A17, A18, A19, A20, A21, A22, A23,
A24, A25, A26, A27, A28, A29, A30, A31,
NX0, NX1, NX2, NX3, NX4, NX5, NX6, NX7,
NX8, NX9, N10, N11, N12, N13, N14, N15,
N16, N17, N18, N19, N20, N21, N22, N23,
N24, N25, N26, N27, N28, N29, N30, N31,
NREGS
};
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#define fc0 ctx->ninstrs
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#define inv R(INV)
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#define rip R(RIP)
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#define rpc R(RPC)
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#define flg R(FLG)
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#define fc1 R(FC1)
#define fc2 R(FC2)
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#define cr0 R(CR0)
#define cr1 R(CR1)
#define cr2 R(CR2)
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#define rax R(RAX)
#define rbx R(RBX)
#define rcx R(RCX)
#define rdx R(RDX)
#define rsi R(RSI)
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#define rdi R(RDI)
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#define rbp R(RBP)
#define rsp R(RSP)
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#define ax0 R(AX0)
#define ax1 R(AX1)
#define ax2 R(AX2)
#define ax3 R(AX3)
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