blob: 2f9643b423762968a3b16a2448ca6a38efc6e205 [file] [log] [blame]
/*
* Copyright 2018 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdalign.h>
#include <stdint.h>
#include "hf/mm.h"
#include "hf/std.h"
#include "vmapi/hf/call.h"
alignas(4096) uint8_t kstack[4096];
static alignas(PAGE_SIZE) uint8_t send_page[PAGE_SIZE];
static alignas(PAGE_SIZE) uint8_t recv_page[PAGE_SIZE];
static hf_ipaddr_t send_page_addr = (hf_ipaddr_t)send_page;
static hf_ipaddr_t recv_page_addr = (hf_ipaddr_t)recv_page;
void kmain(void)
{
hf_vm_configure(send_page_addr, recv_page_addr);
hf_vm_configure(send_page_addr, recv_page_addr);
/* Loop, forward messages to the primary. */
for (;;) {
struct hf_mailbox_receive_return res = hf_mailbox_receive(true);
memcpy(send_page, recv_page, res.size);
hf_mailbox_clear();
hf_mailbox_send(HF_PRIMARY_VM_ID, res.size);
}
}