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Implement thumb STM, LDM. Fix thumb POP implementation for P=1.

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This commit is contained in:
MerryMage 2016-07-18 20:05:35 +01:00
parent 8a310777a1
commit 2363759c62
4 changed files with 78 additions and 39 deletions
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9
tests/arm/fuzz_thumb.cpp
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@ -271,9 +271,9 @@ TEST_CASE("Fuzz Thumb instructions set 1", "[JitX64][Thumb]") {
ThumbInstGen("011xxxxxxxxxxxxx"), // LDR(B)/STR(B) Rd, [Rn, #]
ThumbInstGen("1000xxxxxxxxxxxx"), // LDRH/STRH Rd, [Rn, #offset]
ThumbInstGen("1001xxxxxxxxxxxx"), // LDR/STR Rd, [SP, #]
ThumbInstGen("10110100xxxxxxxx", // PUSH (R = 0)
ThumbInstGen("1011010xxxxxxxxx", // PUSH
[](u16 inst){ return Dynarmic::Common::Bits<0, 7>(inst) != 0; }), // Empty reg_list is UNPREDICTABLE
ThumbInstGen("10111100xxxxxxxx", // POP (R = 0)
ThumbInstGen("10111100xxxxxxxx", // POP (P = 0)
[](u16 inst){ return Dynarmic::Common::Bits<0, 7>(inst) != 0; }), // Empty reg_list is UNPREDICTABLE
ThumbInstGen("1100xxxxxxxxxxxx"), // STMIA/LDMIA
//ThumbInstGen("101101100101x000"), // SETEND
@ -294,12 +294,12 @@ TEST_CASE("Fuzz Thumb instructions set 1", "[JitX64][Thumb]") {
}
SECTION("long blocks") {
FuzzJitThumb(1024, 1025, 25, instruction_select);
FuzzJitThumb(1024, 1025, 2, instruction_select);
}
}
TEST_CASE("Fuzz Thumb instructions set 2 (affects PC)", "[JitX64][Thumb]") {
const std::array<ThumbInstGen, 7> instructions = {{
const std::array<ThumbInstGen, 8> instructions = {{
ThumbInstGen("01000111xmmmm000", // BLX/BX
[](u16 inst){
u32 Rm = Dynarmic::Common::Bits<3, 6>(inst);
@ -315,6 +315,7 @@ TEST_CASE("Fuzz Thumb instructions set 2 (affects PC)", "[JitX64][Thumb]") {
return c < 0b1110; // Don't want SWI or undefined instructions.
}),
ThumbInstGen("10110110011x0xxx"), // CPS
ThumbInstGen("10111101xxxxxxxx"), // POP (R = 1)
}};
auto instruction_select = [&]() -> u16 {