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[UNTESTED] complete initial disassembler structure for ARM

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Signed-off-by: Amneesh Singh <natto@weirdnatto.in>
This commit is contained in:
Amneesh Singh
2023-09-15 05:23:07 +05:30
parent 169723275e
commit 7fc6876264
9 changed files with 701 additions and 149 deletions
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18
src/cpu/psr.cc
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@@ -5,6 +5,16 @@
Psr::Psr(uint32_t raw)
: psr(raw & PSR_CLEAR_RESERVED) {}
uint32_t
Psr::raw() const {
return psr;
}
void
Psr::set_all(uint32_t raw) {
psr = raw & ~PSR_CLEAR_RESERVED;
}
Mode
Psr::mode() const {
return static_cast<Mode>(psr & ~PSR_CLEAR_MODE);
@@ -18,20 +28,20 @@ Psr::set_mode(Mode mode) {
State
Psr::state() const {
return static_cast<State>(get_nth_bit(psr, 5));
return static_cast<State>(get_bit(psr, 5));
}
void
Psr::set_state(State state) {
chg_nth_bit(psr, 5, static_cast<bool>(state));
chg_bit(psr, 5, static_cast<bool>(state));
}
#define GET_SET_NTH_BIT_FUNCTIONS(name, n) \
bool Psr::name() const { \
return get_nth_bit(psr, n); \
return get_bit(psr, n); \
} \
void Psr::set_##name(bool val) { \
chg_nth_bit(psr, n, val); \
chg_bit(psr, n, val); \
}
GET_SET_NTH_BIT_FUNCTIONS(fiq_disabled, 6)