Present the bvm dbgport to the guest only when explicitly requested via
the "-g" command line option. Suggested by: grehan Obtained from: NetApp
This commit is contained in:
parent
1ea1e18490
commit
275eece835
@ -44,37 +44,12 @@ __FBSDID("$FreeBSD$");
|
||||
#include "dbgport.h"
|
||||
|
||||
#define BVM_DBG_PORT 0x224
|
||||
#define BVM_DBG_SIG ('B' << 8 | 'V')
|
||||
|
||||
static int listen_fd, conn_fd;
|
||||
|
||||
static struct sockaddr_in sin;
|
||||
|
||||
void
|
||||
init_dbgport(int sport)
|
||||
{
|
||||
conn_fd = -1;
|
||||
|
||||
if ((listen_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
|
||||
perror("socket");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
sin.sin_len = sizeof(sin);
|
||||
sin.sin_family = AF_INET;
|
||||
sin.sin_addr.s_addr = htonl(INADDR_ANY);
|
||||
sin.sin_port = htons(sport);
|
||||
|
||||
if (bind(listen_fd, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
|
||||
perror("bind");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (listen(listen_fd, 1) < 0) {
|
||||
perror("listen");
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
dbg_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
|
||||
uint32_t *eax, void *arg)
|
||||
@ -82,6 +57,11 @@ dbg_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
|
||||
char ch;
|
||||
int nwritten, nread, printonce;
|
||||
|
||||
if (bytes == 2 && in) {
|
||||
*eax = BVM_DBG_SIG;
|
||||
return (0);
|
||||
}
|
||||
|
||||
if (bytes != 4)
|
||||
return (-1);
|
||||
|
||||
@ -122,4 +102,37 @@ dbg_handler(struct vmctx *ctx, int vcpu, int in, int port, int bytes,
|
||||
return (0);
|
||||
}
|
||||
|
||||
INOUT_PORT(dbg, BVM_DBG_PORT, IOPORT_F_INOUT, dbg_handler);
|
||||
static struct inout_port dbgport = {
|
||||
"bvmdbg",
|
||||
BVM_DBG_PORT,
|
||||
IOPORT_F_INOUT,
|
||||
dbg_handler
|
||||
};
|
||||
|
||||
void
|
||||
init_dbgport(int sport)
|
||||
{
|
||||
conn_fd = -1;
|
||||
|
||||
if ((listen_fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
|
||||
perror("socket");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
sin.sin_len = sizeof(sin);
|
||||
sin.sin_family = AF_INET;
|
||||
sin.sin_addr.s_addr = htonl(INADDR_ANY);
|
||||
sin.sin_port = htons(sport);
|
||||
|
||||
if (bind(listen_fd, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
|
||||
perror("bind");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (listen(listen_fd, 1) < 0) {
|
||||
perror("listen");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
register_inout(&dbgport);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user