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ViaCuda: implement post-initialization.

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This commit is contained in:
Maxim Poliakovski 2022-01-21 12:37:47 +01:00
parent c1208b398e
commit 0899186ffc
2 changed files with 12 additions and 10 deletions
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19
devices/common/viacuda.cpp
View File

@ -78,6 +78,15 @@ ViaCuda::ViaCuda() {
this->int_ctrl = nullptr;
}
int ViaCuda::device_postinit()
{
this->int_ctrl = dynamic_cast<InterruptCtrl*>(
gMachineObj->get_comp_by_type(HWCompType::INT_CTRL));
this->irq_id = this->int_ctrl->register_dev_int(IntSrc::VIA_CUDA);
return 0;
}
void ViaCuda::cuda_init() {
this->old_tip = 0;
this->old_byteack = 0;
@ -189,17 +198,7 @@ void ViaCuda::print_enabled_ints() {
}
}
void ViaCuda::init_ints() {
// lazy interrupt wiring
if (this->int_ctrl == nullptr) {
this->int_ctrl = dynamic_cast<InterruptCtrl*>(
gMachineObj->get_comp_by_type(HWCompType::INT_CTRL));
this->irq_id = this->int_ctrl->register_dev_int(IntSrc::VIA_CUDA);
}
}
inline void ViaCuda::update_irq() {
init_ints();
uint8_t new_irq = !!(this->_via_ifr & this->_via_ier & 0x7F);
this->_via_ifr = (this->_via_ifr & 0x7F) | (new_irq << 7);
if (new_irq != this->irq) {

3
devices/common/viacuda.h
View File

@ -154,10 +154,13 @@ public:
ViaCuda();
~ViaCuda() = default;
// HWComponent methods
bool supports_type(HWCompType type) {
return (type == HWCompType::ADB_HOST || type == HWCompType::I2C_HOST);
};
int device_postinit();
uint8_t read(int reg);
void write(int reg, uint8_t value);