From ba68c723bf209b5891b84b6564390f8b85c7c7f6 Mon Sep 17 00:00:00 2001
From: Thierry Laurion <insurgo@riseup.net>
Date: Wed, 22 Apr 2020 23:02:46 -0400
Subject: [PATCH] qemu-coreboot: Now useful to debug something through make
 BOARD=qemu-coreboot. TODO: map a virtual TPM instance and USB passthrough.
 Thanks to @orangecms for the tip

---
 boards/qemu-coreboot/qemu-coreboot.config | 5 ++++-
 config/coreboot-qemu.config               | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/boards/qemu-coreboot/qemu-coreboot.config b/boards/qemu-coreboot/qemu-coreboot.config
index aeb57c787..a36b70326 100644
--- a/boards/qemu-coreboot/qemu-coreboot.config
+++ b/boards/qemu-coreboot/qemu-coreboot.config
@@ -50,10 +50,13 @@ export CONFIG_TPM=n
 
 export CONFIG_BOOT_DEV="/dev/sda1"
 
-#run: coreboot.intermediate
+#borrowed from https://github.com/orangecms/webboot/blob/boot-via-qemu/run-webboot.sh
 run:
 	qemu-system-x86_64 \
 		--machine q35 \
 		--serial /dev/tty \
 		--bios $(build)/$(BOARD)/coreboot.rom \
+		-object rng-random,filename=/dev/urandom,id=rng0 \
+		-device virtio-rng-pci,rng=rng0 \
+		-netdev user,id=u1 -device e1000,netdev=u1 \
 	; stty sane
diff --git a/config/coreboot-qemu.config b/config/coreboot-qemu.config
index 73856e412..87d0f64a2 100644
--- a/config/coreboot-qemu.config
+++ b/config/coreboot-qemu.config
@@ -14,5 +14,6 @@ CONFIG_CPU_MICROCODE_CBFS_GENERATE=y
 # CONFIG_CONSOLE_SERIAL is not set
 CONFIG_DEFAULT_CONSOLE_LOGLEVEL_6=y
 CONFIG_PAYLOAD_LINUX=y
+CONFIG_LINUX_COMMAND_LINE="debug console=ttyS0 vga=786"
 CONFIG_PAYLOAD_FILE="../../build/qemu-coreboot/bzImage"
 CONFIG_LINUX_INITRD="../../build/qemu-coreboot/initrd.cpio.xz"