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Add a Port poll operation

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This commit is contained in:
Drew Galbraith 2023-06-16 23:15:28 -07:00
parent 21b73b5b92
commit 35f24e7c77
6 changed files with 49 additions and 0 deletions
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21
zion/usr/zcall.cpp
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@ -184,6 +184,27 @@ z_err_t ZPortRecv(uint64_t port_cap, uint64_t num_bytes, uint8_t* bytes,
return ret;
}
z_err_t ZPortPoll(uint64_t port_cap, uint64_t num_bytes, uint8_t* bytes,
uint64_t num_caps, uint64_t* caps, uint64_t* type,
uint64_t* actual_bytes, uint64_t* actual_caps) {
ZPortRecvReq req{
.port_cap = port_cap,
.message =
{
.type = 0,
.num_bytes = num_bytes,
.bytes = bytes,
.num_caps = num_caps,
.caps = caps,
},
};
z_err_t ret = SysCall1(Z_PORT_POLL, &req);
*type = req.message.type;
*actual_bytes = req.message.num_bytes;
*actual_caps = req.message.num_caps;
return ret;
}
z_err_t ZIrqRegister(uint64_t irq_num, uint64_t* port_cap) {
ZIrqRegisterReq req{
.irq_num = irq_num,