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Implement Thumb Instructions: BLX (imm), BL (imm)

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This commit is contained in:
MerryMage 2016-07-18 22:18:58 +01:00
parent e0d6e28b67
commit 3f11a149d7
5 changed files with 153 additions and 4 deletions
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32
tests/arm/test_thumb_instructions.cpp
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@ -120,3 +120,35 @@ TEST_CASE( "thumb: ldr r3, [r3, #28]", "[thumb]" ) {
REQUIRE( jit.Regs()[15] == 2 );
REQUIRE( jit.Cpsr() == 0x00000030 ); // Thumb, User-mode
}
TEST_CASE( "thumb: blx +#67712", "[thumb]" ) {
Dynarmic::Jit jit{GetUserCallbacks()};
code_mem.fill({});
code_mem[0] = 0xF010; code_mem[1] = 0xEC3E; // blx +#67712
code_mem[2] = 0xE7FE; // b +#0
jit.Regs()[15] = 0; // PC = 0
jit.Cpsr() = 0x00000030; // Thumb, User-mode
jit.Run(1);
REQUIRE( jit.Regs()[14] == (0x4 | 1) );
REQUIRE( jit.Regs()[15] == 0x10880 );
REQUIRE( jit.Cpsr() == 0x00000010 ); // User-mode
}
TEST_CASE( "thumb: bl +#234584", "[thumb]" ) {
Dynarmic::Jit jit{GetUserCallbacks()};
code_mem.fill({});
code_mem[0] = 0xF039; code_mem[1] = 0xFA2A; // bl +#234584
code_mem[2] = 0xE7FE; // b +#0
jit.Regs()[15] = 0; // PC = 0
jit.Cpsr() = 0x00000030; // Thumb, User-mode
jit.Run(1);
REQUIRE( jit.Regs()[14] == (0x4 | 1) );
REQUIRE( jit.Regs()[15] == 0x39458 );
REQUIRE( jit.Cpsr() == 0x00000030 ); // Thumb, User-mode
}