mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-09 20:08:34 +00:00
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
|
|
{
|
|
/// <summary>
|
|
/// Code type 0xC2 performs saving or restoring of multiple registers using a bitmask.
|
|
/// NOTE: Registers are saved and restored to a different set of registers than the ones used
|
|
/// for the other opcodes (Save Registers).
|
|
/// </summary>
|
|
class SaveOrRestoreRegisterWithMask
|
|
{
|
|
private const int OperationTypeIndex = 2;
|
|
private const int RegisterMaskIndex = 4;
|
|
|
|
private const int RegisterMaskSize = 4;
|
|
|
|
public static void Emit(byte[] instruction, CompilationContext context)
|
|
{
|
|
// C2x0XXXX
|
|
// x: Operand Type, see below.
|
|
// X: 16-bit bitmask, bit i == save or restore register i.
|
|
|
|
byte operationType = instruction[OperationTypeIndex];
|
|
ulong mask = InstructionHelper.GetImmediate(instruction, RegisterMaskIndex, RegisterMaskSize);
|
|
|
|
for (byte regIndex = 0; mask != 0; mask >>= 1, regIndex++)
|
|
{
|
|
if ((mask & 0x1) != 0)
|
|
{
|
|
SaveOrRestoreRegister.Impl(operationType, regIndex, regIndex, context);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|