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authorGerd Hoffmann <kraxel@redhat.com>2017-09-18 10:47:22 +0200
committerKevin O'Connor <kevin@koconnor.net>2017-09-22 11:13:22 -0400
commit0ebc29f9c4db27f7f0a9d3dcc49563811ce06546 (patch)
tree3a6a00f92a1487c3cf3fea4eda8f00a113f4b510 /src
parent1bda724cc5671f067d564d1ad18bba34384ff8f5 (diff)
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paravirt: serial console configuration.
Read QEMU_CFG_NOGRAPHIC, if set add etc/sercon-port file to enable the serial console. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'src')
-rw-r--r--src/fw/paravirt.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/fw/paravirt.c b/src/fw/paravirt.c
index 5b23d78..9674ab8 100644
--- a/src/fw/paravirt.c
+++ b/src/fw/paravirt.c
@@ -14,6 +14,7 @@
#include "hw/pci.h" // pci_config_readw
#include "hw/pcidevice.h" // pci_probe_devices
#include "hw/pci_regs.h" // PCI_DEVICE_ID
+#include "hw/serialio.h" // PORT_SERIAL1
#include "hw/rtc.h" // CMOS_*
#include "malloc.h" // malloc_tmp
#include "output.h" // dprintf
@@ -210,6 +211,7 @@ qemu_platform_setup(void)
#define QEMU_CFG_SIGNATURE 0x00
#define QEMU_CFG_ID 0x01
#define QEMU_CFG_UUID 0x02
+#define QEMU_CFG_NOGRAPHIC 0x04
#define QEMU_CFG_NUMA 0x0d
#define QEMU_CFG_BOOT_MENU 0x0e
#define QEMU_CFG_NB_CPUS 0x05
@@ -511,6 +513,12 @@ qemu_cfg_legacy(void)
qemu_romfile_add("etc/irq0-override", QEMU_CFG_IRQ0_OVERRIDE, 0, 1);
qemu_romfile_add("etc/max-cpus", QEMU_CFG_MAX_CPUS, 0, 2);
+ // serial console
+ u16 nogfx = 0;
+ qemu_cfg_read_entry(&nogfx, QEMU_CFG_NOGRAPHIC, sizeof(nogfx));
+ if (nogfx)
+ const_romfile_add_int("etc/sercon-port", PORT_SERIAL1);
+
// NUMA data
u64 numacount;
qemu_cfg_read_entry(&numacount, QEMU_CFG_NUMA, sizeof(numacount));