diff options
| -rw-r--r-- | .gitignore | 5 | ||||
| -rwxr-xr-x | rushmore-linux/rl.sh | 27 | ||||
| -rw-r--r-- | rushmore-linux/rlinit/rlinit.c | 24 | ||||
| -rw-r--r-- | rushmore-linux/rlwsd/rlwsd.c | 11 |
4 files changed, 66 insertions, 1 deletions
@@ -7,4 +7,7 @@ *.vs bin build -d3d11-re.*
\ No newline at end of file +d3d11-re.* +rushmore-linux/build +rushmore-linux/linux* +rushmore-linux/rootfs
\ No newline at end of file diff --git a/rushmore-linux/rl.sh b/rushmore-linux/rl.sh new file mode 100755 index 0000000..2f7ecae --- /dev/null +++ b/rushmore-linux/rl.sh @@ -0,0 +1,27 @@ +#!/bin/sh + +set -euo pipefail + +ROOT="$(dirname "$0")" +BUILD_DIR="$ROOT/build" +ROOTFS_DIR="$ROOT/rootfs" + +mkdir -p "$BUILD_DIR" +mkdir -p "$ROOTFS_DIR/proc" "$ROOTFS_DIR/sys" "$ROOTFS_DIR/dev" + +echo "Compiling rlinit" +musl-gcc -static -O2 -s rlinit/rlinit.c -o "$BUILD_DIR/init" + +echo "Compiling rlwsd" +musl-gcc -static -O2 -s rlwsd/rlwsd.c -o "$BUILD_DIR/rlwsd" + +echo "Building rootfs" +cp "$BUILD_DIR/init" "$ROOTFS_DIR/init" +cp "$BUILD_DIR/rlwsd" "$ROOTFS_DIR/rlwsd" + +echo "Building initramfs" +(cd "$ROOTFS_DIR" && find . -print0 | cpio --null -ov --format=newc) > "$BUILD_DIR/initramfs.cpio" + +echo "Running QEMU (do CTRL+A then X to quit)" +sleep 1 +qemu-system-x86_64 -kernel linux/arch/x86/boot/bzImage -initrd "$BUILD_DIR/initramfs.cpio" -append "console=ttyS0" -nographic
\ No newline at end of file diff --git a/rushmore-linux/rlinit/rlinit.c b/rushmore-linux/rlinit/rlinit.c new file mode 100644 index 0000000..21cf2af --- /dev/null +++ b/rushmore-linux/rlinit/rlinit.c @@ -0,0 +1,24 @@ +#include <unistd.h> +#include <sys/mount.h> +#include <sys/wait.h> + +int main(void) +{ + mount("proc", "/proc", "proc", 0, 0); + mount("sysfs", "/sys", "sysfs", 0, 0); + mount("devtmpfs", "/dev", "devtmpfs", 0, 0); + + write(1, "rlinit: starting rlwsd\n", 23); + + pid_t pid = fork(); + if (pid == 0) { + char *argv[] = { (char*)"/rlwsd", 0 }; + execv(argv[0], argv); + _exit(127); + } + + int st = 0; + waitpid(pid, &st, 0); + write(1, "rlinit: rlwsd exited\n", 21); + for (;;) pause(); +} diff --git a/rushmore-linux/rlwsd/rlwsd.c b/rushmore-linux/rlwsd/rlwsd.c new file mode 100644 index 0000000..94ebd87 --- /dev/null +++ b/rushmore-linux/rlwsd/rlwsd.c @@ -0,0 +1,11 @@ +#include <unistd.h> + +int main(void) +{ + const char* msg = "[rlwsd] HELLO!\n"; + write(1, msg, __builtin_strlen(msg)); + for (;;) + { + pause(); + } +} |