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dp freeze

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This commit is contained in:
Logan McNaughton 2023-10-11 17:44:13 -06:00
parent b468c05e80
commit c8b9b707e5
2 changed files with 23 additions and 10 deletions
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1
src/device.rs
View File

@ -239,6 +239,7 @@ impl Device {
rdp: rdp::Rdp {
regs_dpc: [0; rdp::DPC_REGS_COUNT as usize],
regs_dps: [0; rdp::DPS_REGS_COUNT as usize],
wait_frozen: false,
},
mi: mi::Mi {
regs: [0; mi::MI_REGS_COUNT as usize],

32
src/device/rdp.rs
View File

@ -44,6 +44,7 @@ pub const DPC_CLR_CLOCK_CTR: u32 = 1 << 9;
pub struct Rdp {
pub regs_dpc: [u32; DPC_REGS_COUNT as usize],
pub regs_dps: [u32; DPS_REGS_COUNT as usize],
pub wait_frozen: bool,
}
pub fn read_regs_dpc(
@ -80,20 +81,28 @@ pub fn write_regs_dpc(device: &mut device::Device, address: u64, value: u32, mas
device.rdp.regs_dpc[DPC_START_REG as usize];
device.rdp.regs_dpc[DPC_STATUS_REG as usize] &= !DPC_STATUS_START_VALID
}
let timer = ui::video::process_rdp_list(&mut device.rdp.regs_dpc, &mut device.rsp.mem);
if timer != 0 {
device::events::create_event(
device,
device::events::EventType::DP,
device.cpu.cop0.regs[device::cop0::COP0_COUNT_REG as usize] + timer,
rdp_interrupt_event,
)
if device.rdp.regs_dpc[DPC_STATUS_REG as usize] & DPC_STATUS_FREEZE == 0 {
run_rdp(device)
} else {
device.rdp.wait_frozen = true;
}
}
_ => device::memory::masked_write_32(&mut device.rdp.regs_dpc[reg as usize], value, mask),
}
}
pub fn run_rdp(device: &mut device::Device) {
let timer = ui::video::process_rdp_list(&mut device.rdp.regs_dpc, &mut device.rsp.mem);
if timer != 0 {
device::events::create_event(
device,
device::events::EventType::DP,
device.cpu.cop0.regs[device::cop0::COP0_COUNT_REG as usize] + timer,
rdp_interrupt_event,
)
}
}
pub fn read_regs_dps(
device: &mut device::Device,
address: u64,
@ -121,11 +130,14 @@ pub fn update_dpc_status(device: &mut device::Device, w: u32) {
/* clear / set freeze */
if w & DPC_CLR_FREEZE != 0 {
device.rdp.regs_dpc[DPC_STATUS_REG as usize] &= !DPC_STATUS_FREEZE
device.rdp.regs_dpc[DPC_STATUS_REG as usize] &= !DPC_STATUS_FREEZE;
if device.rdp.wait_frozen {
run_rdp(device);
device.rdp.wait_frozen = false;
}
}
if w & DPC_SET_FREEZE != 0 {
device.rdp.regs_dpc[DPC_STATUS_REG as usize] |= DPC_STATUS_FREEZE;
panic!("DP freeze")
}
/* clear / set flush */