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DM: add deinit function for bvmcons

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Move the bvmcons enable flag from main.c to consport.c.
So we don't need the flag in main.c for bvmcons.

Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Yin Fengwei 2018-04-12 17:49:23 +08:00 committed by lijinxia
parent 86d2c137a8
commit 70ef778d94
3 changed files with 26 additions and 8 deletions
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19
core/consport.c
View File

@ -43,6 +43,7 @@
#define BVM_CONSOLE_PORT 0x220
#define BVM_CONS_SIG ('b' << 8 | 'v')
static bool bvmcons_enabled = false;
static struct termios tio_orig, tio_new;
static void
@ -147,7 +148,23 @@ static struct inout_port consport = {
};
void
enable_bvmcons(void)
{
bvmcons_enabled = true;
}
int
init_bvmcons(void)
{
register_inout(&consport);
if (bvmcons_enabled)
register_inout(&consport);
return 0;
}
void
deinit_bvmcons(void)
{
if (bvmcons_enabled)
unregister_inout(&consport);
}

11
core/main.c
View File

@ -585,7 +585,7 @@ static struct option long_options[] = {
int
main(int argc, char *argv[])
{
int c, error, gdb_port, err, bvmcons;
int c, error, gdb_port, err;
int max_vcpus, mptgen, memflags;
int rtc_localtime;
struct vmctx *ctx;
@ -593,7 +593,6 @@ main(int argc, char *argv[])
char *optstr;
int option_idx = 0;
bvmcons = 0;
progname = basename(argv[0]);
gdb_port = 0;
guest_ncpus = 1;
@ -617,7 +616,7 @@ main(int argc, char *argv[])
acpi = 1;
break;
case 'b':
bvmcons = 1;
enable_bvmcons();
break;
case 'p':
if (pincpu_parse(optarg) != 0) {
@ -793,6 +792,7 @@ main(int argc, char *argv[])
vrtc_init(ctx, rtc_localtime);
sci_init(ctx);
init_bvmcons();
monitor_init(ctx);
/*
@ -806,9 +806,6 @@ main(int argc, char *argv[])
if (gdb_port != 0)
fprintf(stderr, "dbgport not supported\n");
if (bvmcons)
init_bvmcons();
/*
* build the guest tables, MP etc.
*/
@ -860,6 +857,7 @@ main(int argc, char *argv[])
pci_irq_deinit(ctx);
deinit_pci(ctx);
monitor_close();
deinit_bvmcons();
vrtc_deinit(ctx);
atkbdc_deinit(ctx);
vm_unsetup_memory(ctx);
@ -875,6 +873,7 @@ vm_fail:
deinit_pci(ctx);
pci_fail:
monitor_close();
deinit_bvmcons();
vrtc_deinit(ctx);
atkbdc_deinit(ctx);
mevent_fail:

4
include/inout.h
View File

@ -75,6 +75,8 @@ int emulate_inout(struct vmctx *ctx, int *pvcpu, struct pio_request *req,
int strict);
int register_inout(struct inout_port *iop);
int unregister_inout(struct inout_port *iop);
void init_bvmcons(void);
int init_bvmcons(void);
void deinit_bvmcons(void);
void enable_bvmcons(void);
#endif /* _INOUT_H_ */