1b7d2b9085
Right now there appears to be an error with the font so that the proper character is received but we write an incorect character to the screen (off by one?).
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
#include "ipc/port_server.h"
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#include <zcall.h>
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namespace mmth {
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glcr::ErrorOr<PortServer> PortServer::Create() {
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z_cap_t port;
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RET_ERR(ZPortCreate(&port));
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return PortServer(port);
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}
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PortServer PortServer::AdoptCap(z_cap_t cap) { return PortServer(cap); }
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PortServer::PortServer(z_cap_t port_cap) : port_cap_(port_cap) {}
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glcr::ErrorOr<PortClient> PortServer::CreateClient() {
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z_cap_t new_port;
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RET_ERR(ZCapDuplicate(port_cap_, ~(kZionPerm_Read), &new_port));
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return PortClient::AdoptPort(new_port);
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}
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glcr::ErrorCode PortServer::RecvCap(uint64_t *num_bytes, char *msg,
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uint64_t *cap) {
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uint64_t caps = 1;
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RET_ERR(ZPortRecv(port_cap_, num_bytes, reinterpret_cast<uint8_t *>(msg),
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&caps, cap));
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if (caps != 1) {
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return glcr::FAILED_PRECONDITION;
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}
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return glcr::OK;
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}
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glcr::ErrorCode PortServer::PollForIntCap(uint64_t *msg, uint64_t *cap) {
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uint64_t bytes = sizeof(uint64_t);
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uint64_t caps = 1;
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RET_ERR(ZPortPoll(port_cap_, &bytes, reinterpret_cast<uint8_t *>(msg), &caps,
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cap));
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if (bytes != sizeof(uint64_t)) {
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return glcr::FAILED_PRECONDITION;
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}
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if (caps != 1) {
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return glcr::FAILED_PRECONDITION;
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}
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return glcr::OK;
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}
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glcr::ErrorOr<char> PortServer::RecvChar() {
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uint64_t bytes = 1;
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uint64_t caps = 0;
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char byte;
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RET_ERR(ZPortRecv(port_cap_, &bytes, &byte, &caps, nullptr));
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return byte;
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}
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} // namespace mmth
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