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thumb: add execution of instructions

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also arm: fix some instructions

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>
This commit is contained in:
Amneesh Singh
2023-09-30 01:31:09 +05:30
parent 03dbb7052f
commit 36d71a4ee2
19 changed files with 1632 additions and 157 deletions
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11
tests/cpu/arm/exec.cc
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@@ -1,9 +1,7 @@
#include "cpu/cpu-fixture.hh"
#include "cpu/cpu-impl.hh"
#include "fixture.hh"
#include "util/bits.hh"
#include <catch2/catch_test_macros.hpp>
#include <limits>
#include <variant>
using namespace matar;
@@ -14,11 +12,11 @@ using namespace arm;
TEST_CASE_METHOD(CpuFixture, "Branch and Exchange", TAG) {
InstructionData data = BranchAndExchange{ .rn = 3 };
setr(3, 342890);
setr(3, 342800);
exec(data);
CHECK(getr(15) == 342890);
CHECK(getr(15) == 342800);
}
TEST_CASE_METHOD(CpuFixture, "Branch", TAG) {
@@ -806,14 +804,11 @@ TEST_CASE_METHOD(CpuFixture, "Data Processing", TAG) {
processing->opcode = OpCode::AND;
cpsr.set_z(false);
set_psr(cpsr);
exec(data, Condition::EQ);
// condition is false
CHECK(getr(5) == 0);
cpsr = psr();
cpsr.set_z(true);
set_psr(cpsr);
exec(data, Condition::EQ);