drew/acadia
1
0
Fork 0
Code Issues 6 Pull requests Projects Releases Packages Wiki Activity Actions

[Voyageurs] Move NormalTrb generation into helper func.

Browse source
This commit is contained in:
Drew Galbraith 2024-02-24 14:31:14 -08:00
parent e6b232851e
commit 3c1e435e04
3 changed files with 17 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

12
sys/voyageurs/xhci/trb.cpp
View file

@ -4,6 +4,8 @@ constexpr uint8_t kTrb_TypeOffset = 10;
constexpr uint16_t kTrb_Cycle = 1;
constexpr uint16_t kTrb_ToggleCycle = (1 << 1);
constexpr uint16_t kTrb_InterruptShortPacket = (1 << 2);
constexpr uint16_t kTrb_Interrupt = (1 << 5);
constexpr uint16_t kTrb_BSR = (1 << 9);
namespace {
@ -18,6 +20,16 @@ TrbType GetType(const XhciTrb& trb) {
return TrbType(trb.type_and_cycle >> kTrb_TypeOffset);
}
XhciTrb CreateNormalTrb(uint64_t physical_address, uint8_t size) {
return {
.parameter = physical_address,
.status = size,
.type_and_cycle = (uint16_t)(TypeToInt(TrbType::Normal) | kTrb_Cycle |
kTrb_Interrupt | kTrb_InterruptShortPacket),
.control = 0,
};
}
XhciTrb CreateLinkTrb(uint64_t physical_address) {
return {
.parameter = physical_address,