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cpu/{arm|thumb}(chore): change how branch disassembly happens

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Signed-off-by: Amneesh Singh <natto@weirdnatto.in>
This commit is contained in:
Amneesh Singh
2024-06-11 23:03:44 +05:30
parent 0062ad424b
commit 15c4802838
10 changed files with 38 additions and 33 deletions
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13
tests/cpu/arm/exec.cc
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@@ -24,18 +24,25 @@ TEST_CASE_METHOD(CpuFixture, "Branch", TAG) {
InstructionData data = Branch{ .link = false, .offset = 3489748 };
Branch* branch = std::get_if<Branch>(&data);
// set PC to 48
setr(15, 48);
exec(data);
CHECK(getr(15) == 3489748);
// 48 + offset
CHECK(getr(15) == 3489796);
CHECK(getr(14) == 0);
// with link
reset();
setr(15, 48);
branch->link = true;
exec(data);
CHECK(getr(15) == 3489748);
CHECK(getr(14) == 0 + INSTRUCTION_SIZE);
// 48 + offset
CHECK(getr(15) == 3489796);
// pc was set to 48
CHECK(getr(14) == 48 - INSTRUCTION_SIZE);
}
TEST_CASE_METHOD(CpuFixture, "Multiply", TAG) {