meta-zephyr-sdk: build custom SeaBIOS for QEMU

meta-zephyr-sdk/recipes-devtools/qemu/zephyr-qemu_git.bb

@@ -1,5 +1,6 @@
 
-DEPENDS = "glib-2.0 zlib pixman gnutls dtc"
+DEPENDS = "glib-2.0 zlib pixman gnutls dtc zephyr-seabios"
+DEPENDS_append_class-nativesdk = " nativesdk-zephyr-seabios"
 LICENSE = "GPLv2"
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
 LIC_FILES_CHKSUM = "file://COPYING;md5=441c28d2cf86e15a37fa47e15a72fbac \
@@ -201,6 +202,17 @@ QEMU_FLAGS = "--disable-docs  --disable-sdl --disable-debug-info  --disable-cap-
   --disable-virtfs --disable-xen --disable-curl --disable-attr --disable-curses --disable-iconv \
   "
 
+copy_seabios() {
+    cp ${STAGING_DIR}/usr/share/firmware/bios.bin ${S}/pc-bios/bios.bin
+    cp ${STAGING_DIR}/usr/share/firmware/bios-256k.bin ${S}/pc-bios/bios-256k.bin
+}
+
+do_unpack_append() {
+    bb.build.exec_func('copy_seabios', d)
+}
+
+do_unpack[depends] = "zephyr-seabios:do_populate_sysroot"
+
 do_configure() {
     ${S}/configure ${QEMU_FLAGS} --target-list="${QEMUS_BUILT}" --prefix=${prefix}  \
         --sysconfdir=${sysconfdir} --libexecdir=${libexecdir} --localstatedir=${localstatedir}

meta-zephyr-sdk/recipes-devtools/seabios/files/0001-sercon-don-t-clear-screen-and-don-t-disable-line-wra.patch

@@ -0,0 +1,35 @@
+From a6030cbfc6f7e98c7ed0e217332cba27daa1a686 Mon Sep 17 00:00:00 2001
+From: Daniel Leung <daniel.leung@intel.com>
+Date: Sat, 12 Oct 2019 14:57:08 -0700
+Subject: [PATCH 1/1] sercon: don't clear screen and don't disable line
+ wrapping
+
+This helps with looking at emulator outputs (from both running
+locally and sanitycheck) as clearing screen and disabling line
+wrapping affect developer terminal.
+
+Signed-off-by: Daniel Leung <daniel.leung@intel.com>
+---
+ src/sercon.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/src/sercon.c b/src/sercon.c
+index a5dadb7..80bd4b1 100644
+--- a/src/sercon.c
++++ b/src/sercon.c
+@@ -346,10 +346,12 @@ static void sercon_1000(struct bregs *regs)
+     SET_LOW(sercon_row_last, 0);
+     SET_LOW(sercon_attr_last, 0);
+
++#if 0
+     sercon_term_reset();
+     sercon_term_no_linewrap();
+     if (clearscreen)
+         sercon_term_clear_screen();
++#endif
+ }
+
+ /* Set text-mode cursor shape */
+-- 
+2.23.0
+

meta-zephyr-sdk/recipes-devtools/seabios/files/config.seabios-128k

@@ -0,0 +1,17 @@
+# for qemu machine types 1.7 + older
+# need to turn off features (xhci,uas) to make it fit into 128k
+CONFIG_QEMU=y
+CONFIG_ROM_SIZE=128
+CONFIG_ATA_DMA=n
+CONFIG_BOOTSPLASH=n
+CONFIG_XEN=n
+CONFIG_USB_OHCI=n
+CONFIG_USB_XHCI=n
+CONFIG_USB_UAS=n
+CONFIG_SDCARD=n
+CONFIG_TCGBIOS=n
+CONFIG_MPT_SCSI=n
+CONFIG_PVSCSI=n
+CONFIG_NVME=n
+CONFIG_USE_SMM=n
+CONFIG_VGAHOOKS=n

meta-zephyr-sdk/recipes-devtools/seabios/files/config.seabios-256k

@@ -0,0 +1,4 @@
+# for qemu machine types 2.0 + newer
+CONFIG_QEMU=y
+CONFIG_ROM_SIZE=256
+CONFIG_ATA_DMA=n

meta-zephyr-sdk/recipes-devtools/seabios/files/hostcc.patch

@@ -0,0 +1,21 @@
+diff -ur a/Makefile b/Makefile
+--- a/Makefile	2015-02-02 22:02:58.651041951 -0500
++++ b/Makefile	2015-02-02 23:08:13.884514003 -0500
+@@ -8,7 +8,7 @@
+ OUT=out/
+
+ # Common command definitions
+-export HOSTCC             := $(CC)
++export HOSTCC             ?= $(CC)
+ export CONFIG_SHELL       := sh
+ export KCONFIG_AUTOHEADER := autoconf.h
+ export KCONFIG_CONFIG     := $(CURDIR)/.config
+@@ -22,7 +22,7 @@
+ OBJDUMP=$(CROSS_PREFIX)objdump
+ STRIP=$(CROSS_PREFIX)strip
+ PYTHON=python
+-CPP=cpp
++CPP=$(CROSS_PREFIX)cpp
+ IASL:=iasl
+ LD32BIT_FLAG:=-melf_i386
+

meta-zephyr-sdk/recipes-devtools/seabios/zephyr-seabios_1.12.1.bb

@@ -0,0 +1,67 @@
+# Origin:
+# http://git.yoctoproject.org/cgit/cgit.cgi/meta-virtualization/plain/recipes-extended/seabios/seabios_1.11.2.bb--2019-10-22
+
+DESCRIPTION = "SeaBIOS"
+HOMEPAGE = "http://www.coreboot.org/SeaBIOS"
+LICENSE = "LGPLv3"
+SECTION = "firmware"
+
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+INHIBIT_PACKAGE_DEBUG_SPLIT = "1"
+INHIBIT_PACKAGE_STRIP = "1"
+INHIBIT_SYSROOT_STRIP = "1"
+
+BBCLASSEXTEND = "native nativesdk"
+
+SRCREV = "a5cab58e9a3fb6e168aba919c5669bea406573b4"
+SRC_URI = " \
+    git://git.seabios.org/seabios.git;protocol=https;branch=1.12-stable \
+    file://hostcc.patch \
+    file://0001-sercon-don-t-clear-screen-and-don-t-disable-line-wra.patch \
+    file://config.seabios-128k \
+    file://config.seabios-256k \
+    "
+
+S = "${WORKDIR}/git"
+
+LIC_FILES_CHKSUM = "file://COPYING;md5=d32239bcb673463ab874e80d47fae504         \
+                    file://COPYING.LESSER;md5=6a6a8e020838b23406c81b19c1d46df6  \
+                    "
+
+SRC_URI[md5sum] = "6cb6cba431fd725126ddb5ec529ab85c"
+SRC_URI[sha256sum] = "89ba3f3e3436008992e2304ca1afa1a9527e77c309d896d1b0332e97339f6127"
+
+DEPENDS = "util-linux-native file-native bison-native flex-native gettext-native python-native"
+
+TUNE_CCARGS = ""
+EXTRA_OEMAKE += "HOSTCC='${BUILD_CC}'"
+EXTRA_OEMAKE += "CROSS_PREFIX=${TARGET_PREFIX}"
+EXTRA_OEMAKE += "EXTRAVERSION='-zephyr'"
+
+do_configure() {
+    mkdir -p ${B}/128k
+    cp ${WORKDIR}/config.seabios-128k ${B}/128k/.config
+    oe_runmake KCONFIG_CONFIG=${B}/128k/.config OUT=${B}/128k/ oldnoconfig
+
+    mkdir -p ${B}/256k
+    cp ${WORKDIR}/config.seabios-256k ${B}/256k/.config
+    oe_runmake KCONFIG_CONFIG=${B}/256k/.config OUT=${B}/256k/ oldnoconfig
+}
+
+do_compile() {
+    unset CPP
+    unset CPPFLAGS
+
+    oe_runmake KCONFIG_CONFIG=${B}/128k/.config OUT=${B}/128k/
+    oe_runmake KCONFIG_CONFIG=${B}/256k/.config OUT=${B}/256k/
+}
+
+do_install() {
+    # install into staging are so these can be picked up by zephyr-qemu.
+    install -d ${STAGING_DIR}/usr/share/firmware
+    install -m 0644 ${B}/128k/bios.bin ${STAGING_DIR}/usr/share/firmware/bios.bin
+    install -m 0644 ${B}/256k/bios.bin ${STAGING_DIR}/usr/share/firmware/bios-256k.bin
+}
+
+INSANE_SKIP_${PN} = "already-stripped"