commit 28b16899873c68ab03170418f707670b4547c23b
Author: Timo Makinen <tmakinen@foo.sh>
Date:   Sat Jun 15 19:34:59 2024 +0000

    Initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..44fd143
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+bin
+bin-x86_64-efi
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..02235a7
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,36 @@
+FROM rockylinux:9
+
+RUN set -eux ; \
+    dnf upgrade -y ; \
+    dnf -y install --nodocs --setopt=install_weak_deps=False \
+        gcc \
+        genisoimage \
+        git \
+        make \
+        patch \
+        syslinux \
+        xz-devel \
+        ; \
+    dnf -y clean all ; \
+    rm -rf /var/cache/dnf
+
+RUN set -eux ; \
+    useradd -c "iPXE Builder" -d /build -m build
+
+WORKDIR /build
+USER build
+
+COPY --chmod=0644 config.patch embed.ipxe .
+
+CMD set -eux ; \
+    { \
+        git clone https://github.com/ipxe/ipxe.git ; \
+        cd ipxe/src ; \
+        patch -p0 < /build/config.patch ; \
+        make \
+            bin/ipxe.iso bin/ipxe.usb bin/undionly.kpxe \
+            bin-x86_64-efi/ipxe.iso bin-x86_64-efi/ipxe.usb \
+            EMBEDDED_IMAGE=/build/embed.ipxe ; \
+    } 1>&2 ; \
+    tar cf - bin/ipxe.iso bin/ipxe.usb bin/undionly.kpxe \
+             bin-x86_64-efi/ipxe.iso bin-x86_64-efi/ipxe.usb
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..c9ead85
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+set -eu
+
+cd "$(dirname "$0")"
+docker build -t ipxe .
+
+docker run --log-driver none --rm -i ipxe | tar xvf -
diff --git a/config.patch b/config.patch
new file mode 100644
index 0000000..8ecb07a
--- /dev/null
+++ b/config.patch
@@ -0,0 +1,42 @@
+--- config/general.h.orig	2024-06-15 18:56:04.002548342 +0000
++++ config/general.h	2024-06-15 19:23:07.500619158 +0000
+@@ -36,10 +36,10 @@
+ 
+ #define	NET_PROTO_IPV4		/* IPv4 protocol */
+ //#define NET_PROTO_IPV6	/* IPv6 protocol */
+-#undef	NET_PROTO_FCOE		/* Fibre Channel over Ethernet protocol */
+-#define	NET_PROTO_STP		/* Spanning Tree protocol */
+-#define	NET_PROTO_LACP		/* Link Aggregation control protocol */
+-#define	NET_PROTO_EAPOL		/* EAP over LAN protocol */
++//#undef	NET_PROTO_FCOE		/* Fibre Channel over Ethernet protocol */
++//#define	NET_PROTO_STP		/* Spanning Tree protocol */
++//#define	NET_PROTO_LACP		/* Link Aggregation control protocol */
++//#define	NET_PROTO_EAPOL		/* EAP over LAN protocol */
+ //#define NET_PROTO_LLDP	/* Link Layer Discovery protocol */
+ 
+ /*
+@@ -54,9 +54,9 @@
+  *
+  */
+ 
+-#define	DOWNLOAD_PROTO_TFTP	/* Trivial File Transfer Protocol */
++#undef	DOWNLOAD_PROTO_TFTP	/* Trivial File Transfer Protocol */
+ #define	DOWNLOAD_PROTO_HTTP	/* Hypertext Transfer Protocol */
+-#undef	DOWNLOAD_PROTO_HTTPS	/* Secure Hypertext Transfer Protocol */
++#define	DOWNLOAD_PROTO_HTTPS	/* Secure Hypertext Transfer Protocol */
+ #undef	DOWNLOAD_PROTO_FTP	/* File Transfer Protocol */
+ #undef	DOWNLOAD_PROTO_SLAM	/* Scalable Local Area Multicast */
+ #undef	DOWNLOAD_PROTO_NFS	/* Network File System Protocol */
+@@ -67,9 +67,9 @@
+  *
+  */
+ 
+-//#undef	SANBOOT_PROTO_ISCSI	/* iSCSI protocol */
+-//#undef	SANBOOT_PROTO_AOE	/* AoE protocol */
+-//#undef	SANBOOT_PROTO_IB_SRP	/* Infiniband SCSI RDMA protocol */
++#undef	SANBOOT_PROTO_ISCSI	/* iSCSI protocol */
++#undef	SANBOOT_PROTO_AOE	/* AoE protocol */
++#undef	SANBOOT_PROTO_IB_SRP	/* Infiniband SCSI RDMA protocol */
+ //#undef	SANBOOT_PROTO_FCP	/* Fibre Channel protocol */
+ //#undef	SANBOOT_PROTO_HTTP	/* HTTP SAN protocol */
+ 
diff --git a/embed.ipxe b/embed.ipxe
new file mode 100644
index 0000000..2f78fb8
--- /dev/null
+++ b/embed.ipxe
@@ -0,0 +1,6 @@
+#!ipxe
+
+:retry
+dhcp || goto retry
+
+chain https://boot.foo.sh/boot.ipxe