ff53dcf560
* dotnet format style --severity info Some changes were manually reverted. * dotnet format analyzers --serverity info Some changes have been minimally adapted. * Restore a few unused methods and variables * Silence dotnet format IDE0060 warnings * Silence dotnet format IDE0052 warnings * Address or silence dotnet format IDE1006 warnings * Address or silence dotnet format CA2208 warnings * Address dotnet format CA1822 warnings * Address or silence dotnet format CA1069 warnings * Silence CA1806 and CA1834 issues * Address dotnet format CA1401 warnings * Fix new dotnet-format issues after rebase * Address review comments * Address dotnet format CA2208 warnings properly * Fix formatting for switch expressions * Address most dotnet format whitespace warnings * Apply dotnet format whitespace formatting A few of them have been manually reverted and the corresponding warning was silenced * Add previously silenced warnings back I have no clue how these disappeared * Revert formatting changes for OpCodeTable.cs * Enable formatting for a few cases again * Format if-blocks correctly * Enable formatting for a few more cases again * Fix inline comment alignment * Run dotnet format after rebase and remove unused usings - analyzers - style - whitespace * Disable 'prefer switch expression' rule * Add comments to disabled warnings * Remove a few unused parameters * Adjust namespaces * Simplify properties and array initialization, Use const when possible, Remove trailing commas * Start working on disabled warnings * Fix and silence a few dotnet-format warnings again * Address IDE0251 warnings * Address a few disabled IDE0060 warnings * Silence IDE0060 in .editorconfig * Revert "Simplify properties and array initialization, Use const when possible, Remove trailing commas" This reverts commit 9462e4136c0a2100dc28b20cf9542e06790aa67e. * dotnet format whitespace after rebase * First dotnet format pass * Remove unnecessary formatting exclusion * Add unsafe dotnet format changes * Change visibility of JitSupportDarwin to internal
54 lines
1.7 KiB
C#
54 lines
1.7 KiB
C#
namespace ARMeilleure.Decoders
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{
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class OpCodeMemImm : OpCodeMem
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{
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public long Immediate { get; protected set; }
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public bool WBack { get; protected set; }
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public bool PostIdx { get; protected set; }
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protected bool Unscaled { get; }
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private enum MemOp
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{
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Unscaled = 0,
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PostIndexed = 1,
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Unprivileged = 2,
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PreIndexed = 3,
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Unsigned,
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}
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public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeMemImm(inst, address, opCode);
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public OpCodeMemImm(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
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{
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Extend64 = ((opCode >> 22) & 3) == 2;
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WBack = ((opCode >> 24) & 1) == 0;
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// The type is not valid for the Unsigned Immediate 12-bits encoding,
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// because the bits 11:10 are used for the larger Immediate offset.
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MemOp type = WBack ? (MemOp)((opCode >> 10) & 3) : MemOp.Unsigned;
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PostIdx = type == MemOp.PostIndexed;
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Unscaled = type == MemOp.Unscaled ||
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type == MemOp.Unprivileged;
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// Unscaled and Unprivileged doesn't write back,
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// but they do use the 9-bits Signed Immediate.
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if (Unscaled)
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{
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WBack = false;
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}
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if (WBack || Unscaled)
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{
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// 9-bits Signed Immediate.
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Immediate = (opCode << 11) >> 23;
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}
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else
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{
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// 12-bits Unsigned Immediate.
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Immediate = ((opCode >> 10) & 0xfff) << Size;
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}
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}
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}
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}
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