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Implement thumb16_SVC

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This commit is contained in:
MerryMage 2016-07-14 15:01:30 +01:00
parent 181f78f36e
commit 63242924fc
3 changed files with 13 additions and 2 deletions
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4
src/frontend/decoder/thumb16.h
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@ -56,7 +56,7 @@ private:
};
template <typename V>
const std::array<Thumb16Matcher<V>, 35> g_thumb16_instruction_table = {
const std::array<Thumb16Matcher<V>, 36> g_thumb16_instruction_table = {
#define INST(fn, name, bitstring) detail::detail<Thumb16Matcher, u16, 16>::GetMatcher<decltype(fn), fn>(name, bitstring)
@ -140,7 +140,7 @@ const std::array<Thumb16Matcher<V>, 35> g_thumb16_instruction_table = {
//INST(&V::thumb16_BX, "BX (reg)", "010001110mmmm000"), // v4T
//INST(&V::thumb16_BLX, "BLX (reg)", "010001111mmmm000"), // v5T
INST(&V::thumb16_UDF, "UDF", "11011110--------"),
//INST(&V::thumb16_SWI, "SWI", "11011111xxxxxxxx"),
INST(&V::thumb16_SVC, "SVC", "11011111xxxxxxxx"),
//INST(&V::thumb16_B_cond, "B (cond)", "1101ccccxxxxxxxx"),
//INST(&V::thumb16_B_imm, "B (imm)", "11100xxxxxxxxxxx"),
//INST(&V::thumb16_BLX_suffix, "BLX (imm, suffix)", "11101xxxxxxxxxx0"),

4
src/frontend/disassembler/disassembler_thumb.cpp
View file

@ -247,6 +247,10 @@ public:
std::string thumb16_UDF() {
return Common::StringFromFormat("udf");
}
std::string thumb16_SVC(Imm8 imm8) {
return Common::StringFromFormat("svc #%u", imm8);
}
};
std::string DisassembleThumb16(u16 instruction) {

7
src/frontend/translate/translate_thumb.cpp
View file

@ -443,6 +443,13 @@ struct ThumbTranslatorVisitor final {
bool thumb16_UDF() {
return TranslateThisInstruction();
}
bool thumb16_SVC(Imm8 imm8) {
u32 imm32 = imm8;
// SVC #<imm8>
ir.CallSupervisor(ir.Imm32(imm32));
return false;
}
};
enum class ThumbInstSize {