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[Voyageurs] Add a basic ps/2 keyboard driver.

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This commit is contained in:
Drew Galbraith 2023-11-25 13:08:30 -08:00
parent 7151a509ee
commit 8365d47cbe
18 changed files with 532 additions and 0 deletions
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110
sys/voyageurs/lib/voyageurs/voyageurs.yunq.cpp Normal file
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// Generated file -- DO NOT MODIFY.
#include "voyageurs.yunq.h"
namespace {
const uint64_t header_size = 24; // 4x uint32, 1x uint64
struct ExtPointer {
uint32_t offset;
uint32_t length;
};
void CheckHeader(const glcr::ByteBuffer& bytes) {
// TODO: Check ident.
// TODO: Parse core size.
// TODO: Parse extension size.
// TODO: Check CRC32
// TODO: Parse options.
}
void WriteHeader(glcr::ByteBuffer& bytes, uint64_t offset, uint32_t core_size, uint32_t extension_size) {
bytes.WriteAt<uint32_t>(offset + 0, 0xDEADBEEF); // TODO: Chose a more unique ident sequence.
bytes.WriteAt<uint32_t>(offset + 4, core_size);
bytes.WriteAt<uint32_t>(offset + 8, extension_size);
bytes.WriteAt<uint32_t>(offset + 12, 0); // TODO: Calculate CRC32.
bytes.WriteAt<uint64_t>(offset + 16, 0); // TODO: Add options.
}
} // namespace
void KeyboardListener::ParseFromBytes(const glcr::ByteBuffer& bytes, uint64_t offset) {
ParseFromBytesInternal(bytes, offset);
// Parse port_capability.
// FIXME: Implement in-buffer capabilities for inprocess serialization.
set_port_capability(0);
}
void KeyboardListener::ParseFromBytes(const glcr::ByteBuffer& bytes, uint64_t offset, const glcr::CapBuffer& caps) {
ParseFromBytesInternal(bytes, offset);
// Parse port_capability.
uint64_t port_capability_ptr = bytes.At<uint64_t>(offset + header_size + (8 * 0));
set_port_capability(caps.At(port_capability_ptr));
}
void KeyboardListener::ParseFromBytesInternal(const glcr::ByteBuffer& bytes, uint64_t offset) {
CheckHeader(bytes);
// Parse port_capability.
// Skip Cap.
}
uint64_t KeyboardListener::SerializeToBytes(glcr::ByteBuffer& bytes, uint64_t offset) const {
uint32_t next_extension = header_size + 8 * 1;
const uint32_t core_size = next_extension;
// Write port_capability.
// FIXME: Implement inbuffer capabilities.
bytes.WriteAt<uint64_t>(offset + header_size + (8 * 0), 0);
// The next extension pointer is the length of the message.
WriteHeader(bytes, offset, core_size, next_extension);
return next_extension;
}
uint64_t KeyboardListener::SerializeToBytes(glcr::ByteBuffer& bytes, uint64_t offset, glcr::CapBuffer& caps) const {
uint32_t next_extension = header_size + 8 * 1;
const uint32_t core_size = next_extension;
uint64_t next_cap = 0;
// Write port_capability.
caps.WriteAt(next_cap, port_capability());
bytes.WriteAt<uint64_t>(offset + header_size + (8 * 0), next_cap++);
// The next extension pointer is the length of the message.
WriteHeader(bytes, offset, core_size, next_extension);
return next_extension;
}
void None::ParseFromBytes(const glcr::ByteBuffer& bytes, uint64_t offset) {
ParseFromBytesInternal(bytes, offset);
}
void None::ParseFromBytes(const glcr::ByteBuffer& bytes, uint64_t offset, const glcr::CapBuffer& caps) {
ParseFromBytesInternal(bytes, offset);
}
void None::ParseFromBytesInternal(const glcr::ByteBuffer& bytes, uint64_t offset) {
CheckHeader(bytes);
}
uint64_t None::SerializeToBytes(glcr::ByteBuffer& bytes, uint64_t offset) const {
uint32_t next_extension = header_size + 8 * 0;
const uint32_t core_size = next_extension;
// The next extension pointer is the length of the message.
WriteHeader(bytes, offset, core_size, next_extension);
return next_extension;
}
uint64_t None::SerializeToBytes(glcr::ByteBuffer& bytes, uint64_t offset, glcr::CapBuffer& caps) const {
uint32_t next_extension = header_size + 8 * 0;
const uint32_t core_size = next_extension;
uint64_t next_cap = 0;
// The next extension pointer is the length of the message.
WriteHeader(bytes, offset, core_size, next_extension);
return next_extension;
}