mirror of
https://github.com/Ryujinx/Ryujinx.git
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0c1ea1212a
* Add initial implementation of the Tamper Machine * Implement Atmosphere opcodes 0, 4 and 9 * Add missing TamperCompilationException class * Implement Atmosphere conditional and loop opcodes 1, 2 and 3 * Inplement input conditional opcode 8 * Add register store opcode A * Implement extended pause/resume opcodes FF0 and FF1 * Implement extended log opcode FFF * Implement extended register conditional opcode C0 * Refactor TamperProgram to an interface * Moved Atmosphere classes to a separate subdirectory * Fix OpProcCtrl class not setting process * Implement extended register save/restore opcodes C1, C2 and C3 * Refactor code emitters to separate classes * Supress memory access errors from the Tamper Machine * Add debug information to tamper register and memory writes * Add block stack check to Atmosphere Cheat compiler * Add handheld input support to Tamper Machine * Fix code styling * Fix build id and cheat case mismatch * Fix invalid immediate size selection * Print build ids of the title * Prevent Tamper Machine from change code regions * Remove Atmosphere namespace * Remove empty cheats from the list * Prevent code modification without disabling the tampering * Fix missing addressing mode in LoadRegisterWithMemory * Fix wrong addressing in RegisterConditional * Add name to the tamper machine thread * Fix code styling
34 lines
1.2 KiB
C#
34 lines
1.2 KiB
C#
namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters
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{
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/// <summary>
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/// Code type 0xC2 performs saving or restoring of multiple registers using a bitmask.
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/// NOTE: Registers are saved and restored to a different set of registers than the ones used
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/// for the other opcodes (Save Registers).
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/// </summary>
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class SaveOrRestoreRegisterWithMask
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{
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private const int OperationTypeIndex = 2;
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private const int RegisterMaskIndex = 4;
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private const int RegisterMaskSize = 4;
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public static void Emit(byte[] instruction, CompilationContext context)
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{
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// C2x0XXXX
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// x: Operand Type, see below.
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// X: 16-bit bitmask, bit i == save or restore register i.
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byte operationType = instruction[OperationTypeIndex];
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ulong mask = InstructionHelper.GetImmediate(instruction, RegisterMaskIndex, RegisterMaskSize);
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for (byte regIndex = 0; mask != 0; mask >>= 1, regIndex++)
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{
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if ((mask & 0x1) != 0)
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{
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SaveOrRestoreRegister.Impl(operationType, regIndex, regIndex, context);
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}
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}
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}
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}
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}
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