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https://github.com/m-labs/artiq.git
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runtime: support RPC exceptions on AMP
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parent
45bb9d8840
commit
5538ad5c70
@ -15,7 +15,7 @@ typedef int (*object_loader)(void *, int);
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typedef int (*kernel_runner)(const char *, int *, long long int *);
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void comm_serve(object_loader load_object, kernel_runner run_kernel);
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int comm_rpc_va(int rpc_num, va_list args);
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void comm_rpc_va(int rpc_num, va_list args, int *eid, int *retval);
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int comm_rpc(int rpc_num, ...);
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void comm_log_va(const char *fmt, va_list args);
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void comm_log(const char *fmt, ...);
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@ -4,7 +4,11 @@
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#include <generated/csr.h>
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#include "comm.h"
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#ifndef ARTIQ_AMP
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#include "exceptions.h"
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#endif
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/* host to device */
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enum {
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@ -242,11 +246,9 @@ static int send_value(int type_tag, void *value)
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return 0;
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}
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int comm_rpc_va(int rpc_num, va_list args)
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void comm_rpc_va(int rpc_num, va_list args, int *eid, int *retval)
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{
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int type_tag;
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int eid;
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int retval;
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send_char(MSGTYPE_RPC_REQUEST);
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send_sint(rpc_num);
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@ -255,29 +257,25 @@ int comm_rpc_va(int rpc_num, va_list args)
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send_value(type_tag, type_tag == 'n' ? NULL : va_arg(args, void *));
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send_char(0);
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eid = receive_int();
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retval = receive_int();
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#ifdef ARTIQ_AMP
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#warning TODO
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#else
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if(eid != EID_NONE)
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exception_raise(eid);
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#endif
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return retval;
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*eid = receive_int();
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*retval = receive_int();
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}
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#ifndef ARTIQ_AMP
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int comm_rpc(int rpc_num, ...)
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{
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va_list args;
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int r;
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int eid, retval;
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va_start(args, rpc_num);
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r = comm_rpc_va(rpc_num, args);
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comm_rpc_va(rpc_num, args, &eid, &retval);
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va_end(args);
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return r;
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if(eid != EID_NONE)
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exception_raise(eid);
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return retval;
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}
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#endif
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void comm_log_va(const char *fmt, va_list args)
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{
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@ -59,7 +59,7 @@ int comm_rpc(int rpc_num, ...)
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{
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struct msg_rpc_request request;
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struct msg_rpc_reply *reply;
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int r;
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int eid, retval;
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request.type = MESSAGE_TYPE_RPC_REQUEST;
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request.rpc_num = rpc_num;
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@ -70,9 +70,13 @@ int comm_rpc(int rpc_num, ...)
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reply = mailbox_wait_and_receive();
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if(reply->type != MESSAGE_TYPE_RPC_REPLY)
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exception_raise(EID_INTERNAL_ERROR);
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r = reply->ret_val;
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eid = reply->eid;
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retval = reply->retval;
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mailbox_acknowledge();
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return r;
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if(eid != EID_NONE)
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exception_raise(eid);
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return retval;
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}
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void comm_log(const char *fmt, ...)
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@ -90,7 +90,7 @@ static int process_msg(struct msg_unknown *umsg, int *eid, long long int *eparam
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struct msg_rpc_reply reply;
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reply.type = MESSAGE_TYPE_RPC_REPLY;
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reply.ret_val = comm_rpc_va(msg->rpc_num, msg->args);
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comm_rpc_va(msg->rpc_num, msg->args, &reply.eid, &reply.retval);
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mailbox_send_and_wait(&reply);
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return KERNEL_RUN_INVALID_STATUS;
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}
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@ -33,7 +33,8 @@ struct msg_rpc_request {
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struct msg_rpc_reply {
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int type;
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int ret_val;
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int eid;
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int retval;
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};
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struct msg_log {
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